./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd9e808-0a0d-47ba-b06f-6e4489620e4c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd9e808-0a0d-47ba-b06f-6e4489620e4c/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd9e808-0a0d-47ba-b06f-6e4489620e4c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd9e808-0a0d-47ba-b06f-6e4489620e4c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd9e808-0a0d-47ba-b06f-6e4489620e4c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd9e808-0a0d-47ba-b06f-6e4489620e4c/bin/uautomizer-verify-aQ6SnzHsRB --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 287b872f435ea31dbbf77f267944e24b96122b5f745db0674c91555289f3b84c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:43:05,518 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:43:05,605 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd9e808-0a0d-47ba-b06f-6e4489620e4c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 03:43:05,610 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:43:05,610 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:43:05,635 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:43:05,636 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:43:05,636 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:43:05,637 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:43:05,637 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:43:05,637 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:43:05,637 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:43:05,637 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:43:05,637 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:43:05,638 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:43:05,638 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:43:05,638 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:43:05,638 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:43:05,638 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:43:05,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:43:05,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:43:05,638 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:43:05,641 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 03:43:05,641 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:43:05,641 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:43:05,641 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:43:05,641 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:43:05,641 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:43:05,642 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:43:05,642 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:43:05,642 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:43:05,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:43:05,642 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:43:05,642 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:43:05,642 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:43:05,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:43:05,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:43:05,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:43:05,643 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:43:05,643 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:43:05,643 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:43:05,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:43:05,643 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:43:05,643 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:43:05,643 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:43:05,643 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:43:05,643 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_5dd9e808-0a0d-47ba-b06f-6e4489620e4c/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 287b872f435ea31dbbf77f267944e24b96122b5f745db0674c91555289f3b84c [2024-11-28 03:43:05,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:43:05,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:43:05,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:43:05,943 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:43:05,943 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:43:05,944 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd9e808-0a0d-47ba-b06f-6e4489620e4c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/parallel-misc-4.wvr.c [2024-11-28 03:43:08,960 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd9e808-0a0d-47ba-b06f-6e4489620e4c/bin/uautomizer-verify-aQ6SnzHsRB/data/15d32b68e/8ba1141352854ba591d25673f301a337/FLAGf1c3b7f61 [2024-11-28 03:43:09,301 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:43:09,310 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd9e808-0a0d-47ba-b06f-6e4489620e4c/sv-benchmarks/c/weaver/parallel-misc-4.wvr.c [2024-11-28 03:43:09,349 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd9e808-0a0d-47ba-b06f-6e4489620e4c/bin/uautomizer-verify-aQ6SnzHsRB/data/15d32b68e/8ba1141352854ba591d25673f301a337/FLAGf1c3b7f61 [2024-11-28 03:43:09,387 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd9e808-0a0d-47ba-b06f-6e4489620e4c/bin/uautomizer-verify-aQ6SnzHsRB/data/15d32b68e/8ba1141352854ba591d25673f301a337 [2024-11-28 03:43:09,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:43:09,392 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:43:09,393 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:43:09,393 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:43:09,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:43:09,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:43:09" (1/1) ... [2024-11-28 03:43:09,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65ae1850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:09, skipping insertion in model container [2024-11-28 03:43:09,404 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:43:09" (1/1) ... [2024-11-28 03:43:09,425 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:43:09,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:43:09,614 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:43:09,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:43:09,653 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:43:09,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:09 WrapperNode [2024-11-28 03:43:09,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:43:09,654 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:43:09,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:43:09,655 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:43:09,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:09" (1/1) ... [2024-11-28 03:43:09,670 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:09" (1/1) ... [2024-11-28 03:43:09,689 INFO L138 Inliner]: procedures = 19, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 85 [2024-11-28 03:43:09,690 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:43:09,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:43:09,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:43:09,690 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:43:09,698 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:09" (1/1) ... [2024-11-28 03:43:09,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:09" (1/1) ... [2024-11-28 03:43:09,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:09" (1/1) ... [2024-11-28 03:43:09,701 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:09" (1/1) ... [2024-11-28 03:43:09,710 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:09" (1/1) ... [2024-11-28 03:43:09,711 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:09" (1/1) ... [2024-11-28 03:43:09,719 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:09" (1/1) ... [2024-11-28 03:43:09,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:09" (1/1) ... [2024-11-28 03:43:09,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:09" (1/1) ... [2024-11-28 03:43:09,726 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:43:09,730 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:43:09,730 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:43:09,730 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:43:09,732 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:09" (1/1) ... [2024-11-28 03:43:09,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:43:09,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd9e808-0a0d-47ba-b06f-6e4489620e4c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:43:09,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd9e808-0a0d-47ba-b06f-6e4489620e4c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:43:09,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd9e808-0a0d-47ba-b06f-6e4489620e4c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:43:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:43:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 03:43:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 03:43:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 03:43:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 03:43:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-28 03:43:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-28 03:43:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 03:43:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:43:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:43:09,811 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 03:43:09,924 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:43:09,926 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:43:10,210 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:43:10,211 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:43:10,234 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:43:10,235 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:43:10,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:43:10 BoogieIcfgContainer [2024-11-28 03:43:10,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:43:10,238 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:43:10,238 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:43:10,244 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:43:10,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:43:09" (1/3) ... [2024-11-28 03:43:10,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4084ad35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:43:10, skipping insertion in model container [2024-11-28 03:43:10,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:09" (2/3) ... [2024-11-28 03:43:10,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4084ad35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:43:10, skipping insertion in model container [2024-11-28 03:43:10,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:43:10" (3/3) ... [2024-11-28 03:43:10,247 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-misc-4.wvr.c [2024-11-28 03:43:10,265 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:43:10,267 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-misc-4.wvr.c that has 4 procedures, 142 locations, 1 initial locations, 2 loop locations, and 11 error locations. [2024-11-28 03:43:10,267 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:43:10,393 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-28 03:43:10,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 151 places, 150 transitions, 321 flow [2024-11-28 03:43:10,573 INFO L124 PetriNetUnfolderBase]: 9/147 cut-off events. [2024-11-28 03:43:10,576 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 03:43:10,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 147 events. 9/147 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 200 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 133. Up to 2 conditions per place. [2024-11-28 03:43:10,584 INFO L82 GeneralOperation]: Start removeDead. Operand has 151 places, 150 transitions, 321 flow [2024-11-28 03:43:10,593 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 138 places, 137 transitions, 286 flow [2024-11-28 03:43:10,607 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:43:10,630 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;@3af128f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:43:10,631 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-28 03:43:10,645 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:43:10,646 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2024-11-28 03:43:10,646 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:43:10,646 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:43:10,647 INFO L206 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] [2024-11-28 03:43:10,651 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-28 03:43:10,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:43:10,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1734208184, now seen corresponding path program 1 times [2024-11-28 03:43:10,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:43:10,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043713926] [2024-11-28 03:43:10,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:10,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:43:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:43:10,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:43:10,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:43:10,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043713926] [2024-11-28 03:43:10,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043713926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:43:10,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:43:10,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:43:10,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868086722] [2024-11-28 03:43:10,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:43:10,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:43:10,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:43:10,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:43:10,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:43:10,969 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 150 [2024-11-28 03:43:10,975 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 137 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 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) [2024-11-28 03:43:10,975 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:43:10,975 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 150 [2024-11-28 03:43:10,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:43:11,113 INFO L124 PetriNetUnfolderBase]: 21/190 cut-off events. [2024-11-28 03:43:11,113 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-11-28 03:43:11,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 190 events. 21/190 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 505 event pairs, 10 based on Foata normal form. 19/180 useless extension candidates. Maximal degree in co-relation 192. Up to 38 conditions per place. [2024-11-28 03:43:11,118 INFO L140 encePairwiseOnDemand]: 144/150 looper letters, 14 selfloop transitions, 2 changer transitions 1/133 dead transitions. [2024-11-28 03:43:11,118 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 133 transitions, 310 flow [2024-11-28 03:43:11,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:43:11,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:43:11,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 398 transitions. [2024-11-28 03:43:11,135 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8844444444444445 [2024-11-28 03:43:11,137 INFO L175 Difference]: Start difference. First operand has 138 places, 137 transitions, 286 flow. Second operand 3 states and 398 transitions. [2024-11-28 03:43:11,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 133 transitions, 310 flow [2024-11-28 03:43:11,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 133 transitions, 304 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 03:43:11,158 INFO L231 Difference]: Finished difference. Result has 135 places, 132 transitions, 274 flow [2024-11-28 03:43:11,161 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=135, PETRI_TRANSITIONS=132} [2024-11-28 03:43:11,168 INFO L279 CegarLoopForPetriNet]: 138 programPoint places, -3 predicate places. [2024-11-28 03:43:11,169 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 132 transitions, 274 flow [2024-11-28 03:43:11,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 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) [2024-11-28 03:43:11,169 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:43:11,169 INFO L206 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] [2024-11-28 03:43:11,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:43:11,170 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-28 03:43:11,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:43:11,172 INFO L85 PathProgramCache]: Analyzing trace with hash 2084407607, now seen corresponding path program 1 times [2024-11-28 03:43:11,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:43:11,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240720931] [2024-11-28 03:43:11,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:11,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:43:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:43:11,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:43:11,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:43:11,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240720931] [2024-11-28 03:43:11,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240720931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:43:11,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:43:11,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:43:11,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144543376] [2024-11-28 03:43:11,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:43:11,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:43:11,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:43:11,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:43:11,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:43:11,335 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 150 [2024-11-28 03:43:11,336 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 132 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 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) [2024-11-28 03:43:11,336 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:43:11,336 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 150 [2024-11-28 03:43:11,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:43:11,447 INFO L124 PetriNetUnfolderBase]: 67/373 cut-off events. [2024-11-28 03:43:11,447 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-28 03:43:11,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 498 conditions, 373 events. 67/373 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1578 event pairs, 28 based on Foata normal form. 0/304 useless extension candidates. Maximal degree in co-relation 465. Up to 88 conditions per place. [2024-11-28 03:43:11,452 INFO L140 encePairwiseOnDemand]: 147/150 looper letters, 13 selfloop transitions, 2 changer transitions 0/131 dead transitions. [2024-11-28 03:43:11,453 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 131 transitions, 302 flow [2024-11-28 03:43:11,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:43:11,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:43:11,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 397 transitions. [2024-11-28 03:43:11,456 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8822222222222222 [2024-11-28 03:43:11,456 INFO L175 Difference]: Start difference. First operand has 135 places, 132 transitions, 274 flow. Second operand 3 states and 397 transitions. [2024-11-28 03:43:11,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 131 transitions, 302 flow [2024-11-28 03:43:11,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 131 transitions, 298 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:43:11,459 INFO L231 Difference]: Finished difference. Result has 133 places, 131 transitions, 272 flow [2024-11-28 03:43:11,460 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=272, PETRI_PLACES=133, PETRI_TRANSITIONS=131} [2024-11-28 03:43:11,460 INFO L279 CegarLoopForPetriNet]: 138 programPoint places, -5 predicate places. [2024-11-28 03:43:11,461 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 131 transitions, 272 flow [2024-11-28 03:43:11,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 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) [2024-11-28 03:43:11,461 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:43:11,461 INFO L206 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] [2024-11-28 03:43:11,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:43:11,462 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-28 03:43:11,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:43:11,463 INFO L85 PathProgramCache]: Analyzing trace with hash 2016984206, now seen corresponding path program 1 times [2024-11-28 03:43:11,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:43:11,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44611494] [2024-11-28 03:43:11,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:11,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:43:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:43:11,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:43:11,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:43:11,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44611494] [2024-11-28 03:43:11,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44611494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:43:11,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:43:11,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:43:11,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798065545] [2024-11-28 03:43:11,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:43:11,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:43:11,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:43:11,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:43:11,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:43:11,592 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 150 [2024-11-28 03:43:11,593 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 131 transitions, 272 flow. Second operand has 3 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 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) [2024-11-28 03:43:11,593 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:43:11,594 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 150 [2024-11-28 03:43:11,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:43:11,677 INFO L124 PetriNetUnfolderBase]: 31/275 cut-off events. [2024-11-28 03:43:11,677 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 03:43:11,679 INFO L83 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 275 events. 31/275 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1093 event pairs, 10 based on Foata normal form. 0/244 useless extension candidates. Maximal degree in co-relation 331. Up to 43 conditions per place. [2024-11-28 03:43:11,683 INFO L140 encePairwiseOnDemand]: 143/150 looper letters, 18 selfloop transitions, 3 changer transitions 0/132 dead transitions. [2024-11-28 03:43:11,683 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 132 transitions, 322 flow [2024-11-28 03:43:11,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:43:11,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:43:11,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 397 transitions. [2024-11-28 03:43:11,685 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8822222222222222 [2024-11-28 03:43:11,686 INFO L175 Difference]: Start difference. First operand has 133 places, 131 transitions, 272 flow. Second operand 3 states and 397 transitions. [2024-11-28 03:43:11,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 132 transitions, 322 flow [2024-11-28 03:43:11,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 132 transitions, 318 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:43:11,693 INFO L231 Difference]: Finished difference. Result has 130 places, 128 transitions, 273 flow [2024-11-28 03:43:11,693 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=273, PETRI_PLACES=130, PETRI_TRANSITIONS=128} [2024-11-28 03:43:11,696 INFO L279 CegarLoopForPetriNet]: 138 programPoint places, -8 predicate places. [2024-11-28 03:43:11,696 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 128 transitions, 273 flow [2024-11-28 03:43:11,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 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) [2024-11-28 03:43:11,697 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:43:11,697 INFO L206 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] [2024-11-28 03:43:11,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:43:11,697 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-28 03:43:11,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:43:11,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1291580795, now seen corresponding path program 1 times [2024-11-28 03:43:11,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:43:11,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501258989] [2024-11-28 03:43:11,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:11,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:43:11,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:43:11,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:43:11,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:43:11,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501258989] [2024-11-28 03:43:11,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501258989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:43:11,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:43:11,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:43:11,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169241717] [2024-11-28 03:43:11,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:43:11,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:43:11,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:43:11,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:43:11,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:43:11,824 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 150 [2024-11-28 03:43:11,825 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 128 transitions, 273 flow. Second operand has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 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) [2024-11-28 03:43:11,825 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:43:11,825 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 150 [2024-11-28 03:43:11,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:43:11,998 INFO L124 PetriNetUnfolderBase]: 139/541 cut-off events. [2024-11-28 03:43:11,998 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-28 03:43:12,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 822 conditions, 541 events. 139/541 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2752 event pairs, 24 based on Foata normal form. 0/478 useless extension candidates. Maximal degree in co-relation 433. Up to 145 conditions per place. [2024-11-28 03:43:12,005 INFO L140 encePairwiseOnDemand]: 144/150 looper letters, 18 selfloop transitions, 3 changer transitions 0/132 dead transitions. [2024-11-28 03:43:12,006 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 132 transitions, 329 flow [2024-11-28 03:43:12,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:43:12,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:43:12,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 405 transitions. [2024-11-28 03:43:12,008 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9 [2024-11-28 03:43:12,008 INFO L175 Difference]: Start difference. First operand has 130 places, 128 transitions, 273 flow. Second operand 3 states and 405 transitions. [2024-11-28 03:43:12,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 132 transitions, 329 flow [2024-11-28 03:43:12,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 132 transitions, 326 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:43:12,011 INFO L231 Difference]: Finished difference. Result has 129 places, 126 transitions, 277 flow [2024-11-28 03:43:12,015 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=277, PETRI_PLACES=129, PETRI_TRANSITIONS=126} [2024-11-28 03:43:12,016 INFO L279 CegarLoopForPetriNet]: 138 programPoint places, -9 predicate places. [2024-11-28 03:43:12,017 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 126 transitions, 277 flow [2024-11-28 03:43:12,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 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) [2024-11-28 03:43:12,018 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:43:12,018 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:43:12,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:43:12,019 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-28 03:43:12,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:43:12,019 INFO L85 PathProgramCache]: Analyzing trace with hash -177152644, now seen corresponding path program 1 times [2024-11-28 03:43:12,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:43:12,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924733495] [2024-11-28 03:43:12,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:12,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:43:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:43:12,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:43:12,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:43:12,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924733495] [2024-11-28 03:43:12,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924733495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:43:12,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:43:12,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:43:12,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518200934] [2024-11-28 03:43:12,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:43:12,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:43:12,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:43:12,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:43:12,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:43:12,172 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 150 [2024-11-28 03:43:12,173 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 126 transitions, 277 flow. Second operand has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 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) [2024-11-28 03:43:12,173 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:43:12,173 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 150 [2024-11-28 03:43:12,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:43:12,245 INFO L124 PetriNetUnfolderBase]: 49/316 cut-off events. [2024-11-28 03:43:12,245 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-28 03:43:12,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 516 conditions, 316 events. 49/316 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1374 event pairs, 23 based on Foata normal form. 0/290 useless extension candidates. Maximal degree in co-relation 248. Up to 78 conditions per place. [2024-11-28 03:43:12,249 INFO L140 encePairwiseOnDemand]: 147/150 looper letters, 16 selfloop transitions, 2 changer transitions 0/127 dead transitions. [2024-11-28 03:43:12,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 127 transitions, 319 flow [2024-11-28 03:43:12,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:43:12,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:43:12,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 402 transitions. [2024-11-28 03:43:12,253 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8933333333333333 [2024-11-28 03:43:12,253 INFO L175 Difference]: Start difference. First operand has 129 places, 126 transitions, 277 flow. Second operand 3 states and 402 transitions. [2024-11-28 03:43:12,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 127 transitions, 319 flow [2024-11-28 03:43:12,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 127 transitions, 316 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:43:12,258 INFO L231 Difference]: Finished difference. Result has 129 places, 125 transitions, 276 flow [2024-11-28 03:43:12,258 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=276, PETRI_PLACES=129, PETRI_TRANSITIONS=125} [2024-11-28 03:43:12,260 INFO L279 CegarLoopForPetriNet]: 138 programPoint places, -9 predicate places. [2024-11-28 03:43:12,261 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 125 transitions, 276 flow [2024-11-28 03:43:12,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 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) [2024-11-28 03:43:12,262 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:43:12,262 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:43:12,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:43:12,262 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-28 03:43:12,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:43:12,264 INFO L85 PathProgramCache]: Analyzing trace with hash 636533309, now seen corresponding path program 1 times [2024-11-28 03:43:12,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:43:12,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222034381] [2024-11-28 03:43:12,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:12,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:43:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:43:12,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:43:12,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:43:12,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222034381] [2024-11-28 03:43:12,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222034381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:43:12,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:43:12,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:43:12,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460423492] [2024-11-28 03:43:12,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:43:12,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:43:12,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:43:12,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:43:12,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:43:12,428 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 150 [2024-11-28 03:43:12,429 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 125 transitions, 276 flow. Second operand has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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) [2024-11-28 03:43:12,429 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:43:12,429 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 150 [2024-11-28 03:43:12,429 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:43:12,538 INFO L124 PetriNetUnfolderBase]: 163/592 cut-off events. [2024-11-28 03:43:12,538 INFO L125 PetriNetUnfolderBase]: For 58/58 co-relation queries the response was YES. [2024-11-28 03:43:12,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 967 conditions, 592 events. 163/592 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2999 event pairs, 45 based on Foata normal form. 0/537 useless extension candidates. Maximal degree in co-relation 756. Up to 168 conditions per place. [2024-11-28 03:43:12,541 INFO L140 encePairwiseOnDemand]: 147/150 looper letters, 0 selfloop transitions, 0 changer transitions 128/128 dead transitions. [2024-11-28 03:43:12,542 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 128 transitions, 323 flow [2024-11-28 03:43:12,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:43:12,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:43:12,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 406 transitions. [2024-11-28 03:43:12,544 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9022222222222223 [2024-11-28 03:43:12,546 INFO L175 Difference]: Start difference. First operand has 129 places, 125 transitions, 276 flow. Second operand 3 states and 406 transitions. [2024-11-28 03:43:12,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 128 transitions, 323 flow [2024-11-28 03:43:12,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 128 transitions, 319 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:43:12,551 INFO L231 Difference]: Finished difference. Result has 128 places, 0 transitions, 0 flow [2024-11-28 03:43:12,551 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=128, PETRI_TRANSITIONS=0} [2024-11-28 03:43:12,552 INFO L279 CegarLoopForPetriNet]: 138 programPoint places, -10 predicate places. [2024-11-28 03:43:12,553 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 0 transitions, 0 flow [2024-11-28 03:43:12,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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) [2024-11-28 03:43:12,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (19 of 20 remaining) [2024-11-28 03:43:12,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (18 of 20 remaining) [2024-11-28 03:43:12,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (17 of 20 remaining) [2024-11-28 03:43:12,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (16 of 20 remaining) [2024-11-28 03:43:12,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (15 of 20 remaining) [2024-11-28 03:43:12,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (14 of 20 remaining) [2024-11-28 03:43:12,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 20 remaining) [2024-11-28 03:43:12,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 20 remaining) [2024-11-28 03:43:12,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (11 of 20 remaining) [2024-11-28 03:43:12,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (10 of 20 remaining) [2024-11-28 03:43:12,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (9 of 20 remaining) [2024-11-28 03:43:12,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-28 03:43:12,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 20 remaining) [2024-11-28 03:43:12,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 20 remaining) [2024-11-28 03:43:12,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (5 of 20 remaining) [2024-11-28 03:43:12,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (4 of 20 remaining) [2024-11-28 03:43:12,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (3 of 20 remaining) [2024-11-28 03:43:12,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (2 of 20 remaining) [2024-11-28 03:43:12,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 20 remaining) [2024-11-28 03:43:12,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (0 of 20 remaining) [2024-11-28 03:43:12,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:43:12,562 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-28 03:43:12,571 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 03:43:12,571 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:43:12,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:43:12 BasicIcfg [2024-11-28 03:43:12,582 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:43:12,583 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:43:12,583 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:43:12,583 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:43:12,584 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:43:10" (3/4) ... [2024-11-28 03:43:12,586 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:43:12,590 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 03:43:12,590 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 03:43:12,590 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-28 03:43:12,596 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-28 03:43:12,597 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 03:43:12,597 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 03:43:12,597 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:43:12,688 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd9e808-0a0d-47ba-b06f-6e4489620e4c/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:43:12,688 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd9e808-0a0d-47ba-b06f-6e4489620e4c/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:43:12,689 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:43:12,690 INFO L158 Benchmark]: Toolchain (without parser) took 3298.17ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 106.5MB in the beginning and 327.7MB in the end (delta: -221.2MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. [2024-11-28 03:43:12,690 INFO L158 Benchmark]: CDTParser took 1.69ms. Allocated memory is still 167.8MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:43:12,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.49ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 94.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:43:12,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.35ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 93.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:43:12,691 INFO L158 Benchmark]: Boogie Preprocessor took 35.83ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 92.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:43:12,692 INFO L158 Benchmark]: RCFGBuilder took 505.07ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 76.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:43:12,693 INFO L158 Benchmark]: TraceAbstraction took 2344.37ms. Allocated memory is still 142.6MB. Free memory was 75.9MB in the beginning and 44.7MB in the end (delta: 31.2MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2024-11-28 03:43:12,693 INFO L158 Benchmark]: Witness Printer took 105.83ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 44.7MB in the beginning and 327.7MB in the end (delta: -283.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:43:12,695 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.69ms. Allocated memory is still 167.8MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.49ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 94.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.35ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 93.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.83ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 92.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 505.07ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 76.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2344.37ms. Allocated memory is still 142.6MB. Free memory was 75.9MB in the beginning and 44.7MB in the end (delta: 31.2MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Witness Printer took 105.83ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 44.7MB in the beginning and 327.7MB in the end (delta: -283.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 192 locations, 20 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: 2.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 215 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 72 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 250 IncrementalHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 40 mSDtfsCounter, 250 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=286occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 0.4s InterpolantComputationTime, 283 NumberOfCodeBlocks, 283 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 277 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 03:43:12,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd9e808-0a0d-47ba-b06f-6e4489620e4c/bin/uautomizer-verify-aQ6SnzHsRB/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 Result: TRUE