./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/mult-flipped-dist.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_35dfea1f-427f-4b40-98e6-735945de0cd8/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35dfea1f-427f-4b40-98e6-735945de0cd8/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_35dfea1f-427f-4b40-98e6-735945de0cd8/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35dfea1f-427f-4b40-98e6-735945de0cd8/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35dfea1f-427f-4b40-98e6-735945de0cd8/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_35dfea1f-427f-4b40-98e6-735945de0cd8/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 7cfd33ca5f647adf12592c5e71401ab9da35a49d8f2ec6d0757ea2cc237974cc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:57:31,255 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:57:31,344 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35dfea1f-427f-4b40-98e6-735945de0cd8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 02:57:31,357 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:57:31,358 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:57:31,404 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:57:31,405 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:57:31,405 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:57:31,405 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:57:31,405 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:57:31,406 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:57:31,406 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:57:31,406 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:57:31,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:57:31,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:57:31,407 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:57:31,407 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:57:31,407 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:57:31,407 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:57:31,407 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:57:31,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:57:31,408 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:57:31,408 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 02:57:31,408 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:57:31,408 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:57:31,408 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:57:31,408 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:57:31,408 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:57:31,409 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:57:31,409 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:57:31,409 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:57:31,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:57:31,409 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:57:31,409 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:57:31,409 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:57:31,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:57:31,410 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:57:31,410 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:57:31,410 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:57:31,410 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:57:31,410 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:57:31,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:57:31,411 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:57:31,411 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:57:31,411 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:57:31,411 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:57:31,411 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_35dfea1f-427f-4b40-98e6-735945de0cd8/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 -> 7cfd33ca5f647adf12592c5e71401ab9da35a49d8f2ec6d0757ea2cc237974cc [2024-11-28 02:57:31,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:57:31,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:57:31,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:57:31,741 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:57:31,741 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:57:31,742 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35dfea1f-427f-4b40-98e6-735945de0cd8/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c [2024-11-28 02:57:34,802 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35dfea1f-427f-4b40-98e6-735945de0cd8/bin/uautomizer-verify-aQ6SnzHsRB/data/f410ebcef/7946cc0e09f044edbcec162f97505a99/FLAGbf072bbee [2024-11-28 02:57:35,132 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:57:35,132 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35dfea1f-427f-4b40-98e6-735945de0cd8/sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c [2024-11-28 02:57:35,142 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35dfea1f-427f-4b40-98e6-735945de0cd8/bin/uautomizer-verify-aQ6SnzHsRB/data/f410ebcef/7946cc0e09f044edbcec162f97505a99/FLAGbf072bbee [2024-11-28 02:57:35,173 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35dfea1f-427f-4b40-98e6-735945de0cd8/bin/uautomizer-verify-aQ6SnzHsRB/data/f410ebcef/7946cc0e09f044edbcec162f97505a99 [2024-11-28 02:57:35,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:57:35,180 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:57:35,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:57:35,181 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:57:35,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:57:35,187 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:35" (1/1) ... [2024-11-28 02:57:35,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61aa15af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:35, skipping insertion in model container [2024-11-28 02:57:35,188 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:35" (1/1) ... [2024-11-28 02:57:35,213 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:57:35,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:57:35,436 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:57:35,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:57:35,483 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:57:35,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:35 WrapperNode [2024-11-28 02:57:35,484 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:57:35,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:57:35,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:57:35,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:57:35,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:35" (1/1) ... [2024-11-28 02:57:35,499 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:35" (1/1) ... [2024-11-28 02:57:35,523 INFO L138 Inliner]: procedures = 21, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2024-11-28 02:57:35,525 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:57:35,526 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:57:35,527 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:57:35,527 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:57:35,535 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:35" (1/1) ... [2024-11-28 02:57:35,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:35" (1/1) ... [2024-11-28 02:57:35,540 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:35" (1/1) ... [2024-11-28 02:57:35,542 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:35" (1/1) ... [2024-11-28 02:57:35,551 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:35" (1/1) ... [2024-11-28 02:57:35,552 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:35" (1/1) ... [2024-11-28 02:57:35,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:35" (1/1) ... [2024-11-28 02:57:35,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:35" (1/1) ... [2024-11-28 02:57:35,566 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:35" (1/1) ... [2024-11-28 02:57:35,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:57:35,576 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:57:35,577 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:57:35,577 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:57:35,578 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:35" (1/1) ... [2024-11-28 02:57:35,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:57:35,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35dfea1f-427f-4b40-98e6-735945de0cd8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:57:35,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35dfea1f-427f-4b40-98e6-735945de0cd8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:57:35,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35dfea1f-427f-4b40-98e6-735945de0cd8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:57:35,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:57:35,647 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 02:57:35,647 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 02:57:35,648 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 02:57:35,648 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 02:57:35,648 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-28 02:57:35,648 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-28 02:57:35,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 02:57:35,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:57:35,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:57:35,650 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 02:57:35,775 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:57:35,779 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:57:36,112 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:57:36,112 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:57:36,135 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:57:36,135 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-28 02:57:36,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:36 BoogieIcfgContainer [2024-11-28 02:57:36,138 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:57:36,141 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:57:36,141 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:57:36,148 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:57:36,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:57:35" (1/3) ... [2024-11-28 02:57:36,149 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73a07685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:36, skipping insertion in model container [2024-11-28 02:57:36,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:35" (2/3) ... [2024-11-28 02:57:36,150 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73a07685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:36, skipping insertion in model container [2024-11-28 02:57:36,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:36" (3/3) ... [2024-11-28 02:57:36,152 INFO L128 eAbstractionObserver]: Analyzing ICFG mult-flipped-dist.wvr.c [2024-11-28 02:57:36,171 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:57:36,174 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mult-flipped-dist.wvr.c that has 4 procedures, 165 locations, 1 initial locations, 3 loop locations, and 19 error locations. [2024-11-28 02:57:36,174 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:57:36,322 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-28 02:57:36,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 174 places, 171 transitions, 363 flow [2024-11-28 02:57:36,476 INFO L124 PetriNetUnfolderBase]: 7/168 cut-off events. [2024-11-28 02:57:36,478 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 02:57:36,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 168 events. 7/168 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 263 event pairs, 0 based on Foata normal form. 0/142 useless extension candidates. Maximal degree in co-relation 112. Up to 2 conditions per place. [2024-11-28 02:57:36,494 INFO L82 GeneralOperation]: Start removeDead. Operand has 174 places, 171 transitions, 363 flow [2024-11-28 02:57:36,500 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 155 places, 151 transitions, 320 flow [2024-11-28 02:57:36,510 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:57:36,523 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;@3bbe59c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:57:36,523 INFO L334 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2024-11-28 02:57:36,533 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:57:36,533 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-28 02:57:36,533 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:57:36,533 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:36,534 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] [2024-11-28 02:57:36,535 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-28 02:57:36,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:36,541 INFO L85 PathProgramCache]: Analyzing trace with hash -574957363, now seen corresponding path program 1 times [2024-11-28 02:57:36,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:36,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57654775] [2024-11-28 02:57:36,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:36,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:36,755 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 02:57:36,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:36,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57654775] [2024-11-28 02:57:36,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57654775] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:36,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:36,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:57:36,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255067010] [2024-11-28 02:57:36,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:36,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:36,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:36,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:36,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:36,850 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 171 [2024-11-28 02:57:36,855 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 151 transitions, 320 flow. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 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 02:57:36,855 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:36,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 171 [2024-11-28 02:57:36,856 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:36,974 INFO L124 PetriNetUnfolderBase]: 10/216 cut-off events. [2024-11-28 02:57:36,976 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-28 02:57:36,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 259 conditions, 216 events. 10/216 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 676 event pairs, 5 based on Foata normal form. 16/200 useless extension candidates. Maximal degree in co-relation 175. Up to 22 conditions per place. [2024-11-28 02:57:36,986 INFO L140 encePairwiseOnDemand]: 165/171 looper letters, 11 selfloop transitions, 2 changer transitions 0/147 dead transitions. [2024-11-28 02:57:36,986 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 147 transitions, 338 flow [2024-11-28 02:57:36,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:36,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:57:37,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 470 transitions. [2024-11-28 02:57:37,008 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9161793372319688 [2024-11-28 02:57:37,011 INFO L175 Difference]: Start difference. First operand has 155 places, 151 transitions, 320 flow. Second operand 3 states and 470 transitions. [2024-11-28 02:57:37,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 147 transitions, 338 flow [2024-11-28 02:57:37,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 147 transitions, 326 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-28 02:57:37,024 INFO L231 Difference]: Finished difference. Result has 150 places, 147 transitions, 304 flow [2024-11-28 02:57:37,027 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=304, PETRI_PLACES=150, PETRI_TRANSITIONS=147} [2024-11-28 02:57:37,033 INFO L279 CegarLoopForPetriNet]: 155 programPoint places, -5 predicate places. [2024-11-28 02:57:37,033 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 147 transitions, 304 flow [2024-11-28 02:57:37,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 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 02:57:37,034 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:37,034 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] [2024-11-28 02:57:37,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:57:37,034 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-28 02:57:37,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:37,038 INFO L85 PathProgramCache]: Analyzing trace with hash -411357764, now seen corresponding path program 1 times [2024-11-28 02:57:37,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:37,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29892617] [2024-11-28 02:57:37,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:37,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:37,133 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 02:57:37,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:37,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29892617] [2024-11-28 02:57:37,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29892617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:37,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:37,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:57:37,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971096863] [2024-11-28 02:57:37,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:37,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:37,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:37,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:37,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:37,173 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 171 [2024-11-28 02:57:37,174 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 147 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 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 02:57:37,174 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:37,174 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 171 [2024-11-28 02:57:37,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:37,271 INFO L124 PetriNetUnfolderBase]: 11/188 cut-off events. [2024-11-28 02:57:37,271 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-28 02:57:37,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 188 events. 11/188 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 500 event pairs, 7 based on Foata normal form. 0/162 useless extension candidates. Maximal degree in co-relation 193. Up to 25 conditions per place. [2024-11-28 02:57:37,274 INFO L140 encePairwiseOnDemand]: 168/171 looper letters, 11 selfloop transitions, 2 changer transitions 0/146 dead transitions. [2024-11-28 02:57:37,274 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 146 transitions, 328 flow [2024-11-28 02:57:37,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:37,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:57:37,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 467 transitions. [2024-11-28 02:57:37,282 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9103313840155945 [2024-11-28 02:57:37,283 INFO L175 Difference]: Start difference. First operand has 150 places, 147 transitions, 304 flow. Second operand 3 states and 467 transitions. [2024-11-28 02:57:37,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 146 transitions, 328 flow [2024-11-28 02:57:37,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 146 transitions, 324 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:57:37,289 INFO L231 Difference]: Finished difference. Result has 149 places, 146 transitions, 302 flow [2024-11-28 02:57:37,289 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=302, PETRI_PLACES=149, PETRI_TRANSITIONS=146} [2024-11-28 02:57:37,290 INFO L279 CegarLoopForPetriNet]: 155 programPoint places, -6 predicate places. [2024-11-28 02:57:37,290 INFO L471 AbstractCegarLoop]: Abstraction has has 149 places, 146 transitions, 302 flow [2024-11-28 02:57:37,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 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 02:57:37,291 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:37,291 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] [2024-11-28 02:57:37,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:57:37,291 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-28 02:57:37,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:37,296 INFO L85 PathProgramCache]: Analyzing trace with hash 874652847, now seen corresponding path program 1 times [2024-11-28 02:57:37,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:37,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033410177] [2024-11-28 02:57:37,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:37,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:37,387 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 02:57:37,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:37,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033410177] [2024-11-28 02:57:37,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033410177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:37,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:37,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:57:37,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452237627] [2024-11-28 02:57:37,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:37,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:37,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:37,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:37,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:37,453 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 171 [2024-11-28 02:57:37,454 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 146 transitions, 302 flow. Second operand has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 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 02:57:37,454 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:37,454 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 171 [2024-11-28 02:57:37,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:37,616 INFO L124 PetriNetUnfolderBase]: 30/404 cut-off events. [2024-11-28 02:57:37,617 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-28 02:57:37,623 INFO L83 FinitePrefix]: Finished finitePrefix Result has 469 conditions, 404 events. 30/404 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1966 event pairs, 15 based on Foata normal form. 0/329 useless extension candidates. Maximal degree in co-relation 432. Up to 52 conditions per place. [2024-11-28 02:57:37,626 INFO L140 encePairwiseOnDemand]: 168/171 looper letters, 12 selfloop transitions, 2 changer transitions 0/145 dead transitions. [2024-11-28 02:57:37,626 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 145 transitions, 328 flow [2024-11-28 02:57:37,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:37,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:57:37,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 465 transitions. [2024-11-28 02:57:37,630 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9064327485380117 [2024-11-28 02:57:37,630 INFO L175 Difference]: Start difference. First operand has 149 places, 146 transitions, 302 flow. Second operand 3 states and 465 transitions. [2024-11-28 02:57:37,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 145 transitions, 328 flow [2024-11-28 02:57:37,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 145 transitions, 324 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:57:37,639 INFO L231 Difference]: Finished difference. Result has 148 places, 145 transitions, 300 flow [2024-11-28 02:57:37,640 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=300, PETRI_PLACES=148, PETRI_TRANSITIONS=145} [2024-11-28 02:57:37,641 INFO L279 CegarLoopForPetriNet]: 155 programPoint places, -7 predicate places. [2024-11-28 02:57:37,641 INFO L471 AbstractCegarLoop]: Abstraction has has 148 places, 145 transitions, 300 flow [2024-11-28 02:57:37,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 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 02:57:37,642 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:37,642 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] [2024-11-28 02:57:37,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:57:37,642 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-28 02:57:37,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:37,646 INFO L85 PathProgramCache]: Analyzing trace with hash 794100236, now seen corresponding path program 1 times [2024-11-28 02:57:37,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:37,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306129596] [2024-11-28 02:57:37,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:37,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:37,772 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 02:57:37,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:37,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306129596] [2024-11-28 02:57:37,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306129596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:37,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:37,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:57:37,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459386715] [2024-11-28 02:57:37,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:37,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:37,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:37,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:37,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:37,806 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 171 [2024-11-28 02:57:37,807 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 145 transitions, 300 flow. Second operand has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 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 02:57:37,808 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:37,808 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 171 [2024-11-28 02:57:37,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:38,053 INFO L124 PetriNetUnfolderBase]: 97/835 cut-off events. [2024-11-28 02:57:38,054 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-28 02:57:38,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1003 conditions, 835 events. 97/835 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 5765 event pairs, 34 based on Foata normal form. 0/684 useless extension candidates. Maximal degree in co-relation 959. Up to 146 conditions per place. [2024-11-28 02:57:38,066 INFO L140 encePairwiseOnDemand]: 165/171 looper letters, 15 selfloop transitions, 3 changer transitions 0/147 dead transitions. [2024-11-28 02:57:38,066 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 147 transitions, 342 flow [2024-11-28 02:57:38,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:38,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:57:38,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 471 transitions. [2024-11-28 02:57:38,069 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9181286549707602 [2024-11-28 02:57:38,069 INFO L175 Difference]: Start difference. First operand has 148 places, 145 transitions, 300 flow. Second operand 3 states and 471 transitions. [2024-11-28 02:57:38,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 147 transitions, 342 flow [2024-11-28 02:57:38,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 147 transitions, 338 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:57:38,076 INFO L231 Difference]: Finished difference. Result has 146 places, 145 transitions, 311 flow [2024-11-28 02:57:38,077 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=311, PETRI_PLACES=146, PETRI_TRANSITIONS=145} [2024-11-28 02:57:38,080 INFO L279 CegarLoopForPetriNet]: 155 programPoint places, -9 predicate places. [2024-11-28 02:57:38,080 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 145 transitions, 311 flow [2024-11-28 02:57:38,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 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 02:57:38,081 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:38,081 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] [2024-11-28 02:57:38,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:57:38,082 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-28 02:57:38,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:38,084 INFO L85 PathProgramCache]: Analyzing trace with hash 360669550, now seen corresponding path program 1 times [2024-11-28 02:57:38,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:38,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479533032] [2024-11-28 02:57:38,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:38,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:38,210 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 02:57:38,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:38,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479533032] [2024-11-28 02:57:38,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479533032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:38,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:38,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:57:38,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177321964] [2024-11-28 02:57:38,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:38,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:38,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:38,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:38,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:38,237 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 171 [2024-11-28 02:57:38,240 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 145 transitions, 311 flow. Second operand has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 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 02:57:38,240 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:38,241 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 171 [2024-11-28 02:57:38,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:38,389 INFO L124 PetriNetUnfolderBase]: 31/327 cut-off events. [2024-11-28 02:57:38,389 INFO L125 PetriNetUnfolderBase]: For 3/7 co-relation queries the response was YES. [2024-11-28 02:57:38,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 401 conditions, 327 events. 31/327 cut-off events. For 3/7 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1368 event pairs, 4 based on Foata normal form. 1/280 useless extension candidates. Maximal degree in co-relation 259. Up to 32 conditions per place. [2024-11-28 02:57:38,394 INFO L140 encePairwiseOnDemand]: 166/171 looper letters, 10 selfloop transitions, 3 changer transitions 0/145 dead transitions. [2024-11-28 02:57:38,394 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 145 transitions, 339 flow [2024-11-28 02:57:38,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:38,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:57:38,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-11-28 02:57:38,398 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9239766081871345 [2024-11-28 02:57:38,402 INFO L175 Difference]: Start difference. First operand has 146 places, 145 transitions, 311 flow. Second operand 3 states and 474 transitions. [2024-11-28 02:57:38,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 145 transitions, 339 flow [2024-11-28 02:57:38,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 145 transitions, 339 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:57:38,406 INFO L231 Difference]: Finished difference. Result has 146 places, 143 transitions, 313 flow [2024-11-28 02:57:38,407 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=307, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=313, PETRI_PLACES=146, PETRI_TRANSITIONS=143} [2024-11-28 02:57:38,408 INFO L279 CegarLoopForPetriNet]: 155 programPoint places, -9 predicate places. [2024-11-28 02:57:38,408 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 143 transitions, 313 flow [2024-11-28 02:57:38,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 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 02:57:38,408 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:38,408 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] [2024-11-28 02:57:38,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:57:38,412 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-28 02:57:38,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:38,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1288900176, now seen corresponding path program 1 times [2024-11-28 02:57:38,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:38,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891125919] [2024-11-28 02:57:38,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:38,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:38,515 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 02:57:38,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:38,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891125919] [2024-11-28 02:57:38,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891125919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:38,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:38,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:57:38,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731472681] [2024-11-28 02:57:38,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:38,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:38,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:38,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:38,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:38,535 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 171 [2024-11-28 02:57:38,536 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 143 transitions, 313 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 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 02:57:38,536 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:38,536 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 171 [2024-11-28 02:57:38,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:38,744 INFO L124 PetriNetUnfolderBase]: 70/685 cut-off events. [2024-11-28 02:57:38,745 INFO L125 PetriNetUnfolderBase]: For 13/19 co-relation queries the response was YES. [2024-11-28 02:57:38,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 840 conditions, 685 events. 70/685 cut-off events. For 13/19 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3910 event pairs, 17 based on Foata normal form. 1/580 useless extension candidates. Maximal degree in co-relation 655. Up to 62 conditions per place. [2024-11-28 02:57:38,756 INFO L140 encePairwiseOnDemand]: 167/171 looper letters, 16 selfloop transitions, 2 changer transitions 0/148 dead transitions. [2024-11-28 02:57:38,757 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 148 transitions, 364 flow [2024-11-28 02:57:38,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:38,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:57:38,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 479 transitions. [2024-11-28 02:57:38,760 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9337231968810916 [2024-11-28 02:57:38,760 INFO L175 Difference]: Start difference. First operand has 146 places, 143 transitions, 313 flow. Second operand 3 states and 479 transitions. [2024-11-28 02:57:38,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 148 transitions, 364 flow [2024-11-28 02:57:38,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 148 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:57:38,767 INFO L231 Difference]: Finished difference. Result has 145 places, 143 transitions, 317 flow [2024-11-28 02:57:38,767 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=303, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=317, PETRI_PLACES=145, PETRI_TRANSITIONS=143} [2024-11-28 02:57:38,768 INFO L279 CegarLoopForPetriNet]: 155 programPoint places, -10 predicate places. [2024-11-28 02:57:38,768 INFO L471 AbstractCegarLoop]: Abstraction has has 145 places, 143 transitions, 317 flow [2024-11-28 02:57:38,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 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 02:57:38,769 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:38,769 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] [2024-11-28 02:57:38,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:57:38,770 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-28 02:57:38,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:38,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1453404159, now seen corresponding path program 1 times [2024-11-28 02:57:38,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:38,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492562383] [2024-11-28 02:57:38,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:38,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:38,846 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 02:57:38,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:38,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492562383] [2024-11-28 02:57:38,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492562383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:38,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:38,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:57:38,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615800289] [2024-11-28 02:57:38,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:38,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:38,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:38,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:38,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:38,868 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 171 [2024-11-28 02:57:38,869 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 143 transitions, 317 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 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 02:57:38,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:38,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 171 [2024-11-28 02:57:38,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:39,012 INFO L124 PetriNetUnfolderBase]: 54/532 cut-off events. [2024-11-28 02:57:39,012 INFO L125 PetriNetUnfolderBase]: For 12/15 co-relation queries the response was YES. [2024-11-28 02:57:39,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 684 conditions, 532 events. 54/532 cut-off events. For 12/15 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2841 event pairs, 14 based on Foata normal form. 0/467 useless extension candidates. Maximal degree in co-relation 468. Up to 46 conditions per place. [2024-11-28 02:57:39,019 INFO L140 encePairwiseOnDemand]: 166/171 looper letters, 10 selfloop transitions, 3 changer transitions 0/143 dead transitions. [2024-11-28 02:57:39,019 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 143 transitions, 345 flow [2024-11-28 02:57:39,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:39,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:57:39,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-11-28 02:57:39,022 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9239766081871345 [2024-11-28 02:57:39,022 INFO L175 Difference]: Start difference. First operand has 145 places, 143 transitions, 317 flow. Second operand 3 states and 474 transitions. [2024-11-28 02:57:39,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 143 transitions, 345 flow [2024-11-28 02:57:39,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 143 transitions, 345 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:57:39,026 INFO L231 Difference]: Finished difference. Result has 145 places, 141 transitions, 319 flow [2024-11-28 02:57:39,027 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=313, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=319, PETRI_PLACES=145, PETRI_TRANSITIONS=141} [2024-11-28 02:57:39,028 INFO L279 CegarLoopForPetriNet]: 155 programPoint places, -10 predicate places. [2024-11-28 02:57:39,028 INFO L471 AbstractCegarLoop]: Abstraction has has 145 places, 141 transitions, 319 flow [2024-11-28 02:57:39,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 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 02:57:39,029 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:39,029 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] [2024-11-28 02:57:39,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:57:39,029 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-28 02:57:39,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:39,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1950319117, now seen corresponding path program 1 times [2024-11-28 02:57:39,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:39,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327963054] [2024-11-28 02:57:39,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:39,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:39,084 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 02:57:39,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:39,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327963054] [2024-11-28 02:57:39,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327963054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:39,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:39,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:57:39,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210659145] [2024-11-28 02:57:39,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:39,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:39,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:39,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:39,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:39,119 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 171 [2024-11-28 02:57:39,120 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 141 transitions, 319 flow. Second operand has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 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 02:57:39,120 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:39,121 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 171 [2024-11-28 02:57:39,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:39,260 INFO L124 PetriNetUnfolderBase]: 48/493 cut-off events. [2024-11-28 02:57:39,260 INFO L125 PetriNetUnfolderBase]: For 4/12 co-relation queries the response was YES. [2024-11-28 02:57:39,263 INFO L83 FinitePrefix]: Finished finitePrefix Result has 647 conditions, 493 events. 48/493 cut-off events. For 4/12 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2477 event pairs, 16 based on Foata normal form. 1/436 useless extension candidates. Maximal degree in co-relation 486. Up to 47 conditions per place. [2024-11-28 02:57:39,267 INFO L140 encePairwiseOnDemand]: 168/171 looper letters, 12 selfloop transitions, 2 changer transitions 0/142 dead transitions. [2024-11-28 02:57:39,267 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 142 transitions, 351 flow [2024-11-28 02:57:39,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:39,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:57:39,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-11-28 02:57:39,269 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9239766081871345 [2024-11-28 02:57:39,270 INFO L175 Difference]: Start difference. First operand has 145 places, 141 transitions, 319 flow. Second operand 3 states and 474 transitions. [2024-11-28 02:57:39,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 142 transitions, 351 flow [2024-11-28 02:57:39,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 142 transitions, 345 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:57:39,276 INFO L231 Difference]: Finished difference. Result has 144 places, 140 transitions, 315 flow [2024-11-28 02:57:39,277 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=311, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=315, PETRI_PLACES=144, PETRI_TRANSITIONS=140} [2024-11-28 02:57:39,277 INFO L279 CegarLoopForPetriNet]: 155 programPoint places, -11 predicate places. [2024-11-28 02:57:39,277 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 140 transitions, 315 flow [2024-11-28 02:57:39,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 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 02:57:39,281 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:39,281 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] [2024-11-28 02:57:39,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:57:39,282 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-28 02:57:39,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:39,282 INFO L85 PathProgramCache]: Analyzing trace with hash -857011517, now seen corresponding path program 1 times [2024-11-28 02:57:39,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:39,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713812658] [2024-11-28 02:57:39,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:39,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:39,372 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 02:57:39,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:39,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713812658] [2024-11-28 02:57:39,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713812658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:39,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:39,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:57:39,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31662606] [2024-11-28 02:57:39,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:39,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:39,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:39,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:39,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:39,401 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 171 [2024-11-28 02:57:39,402 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 140 transitions, 315 flow. Second operand has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 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 02:57:39,402 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:39,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 171 [2024-11-28 02:57:39,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:39,598 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([425] L58-9-->L58-2: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][94], [113#L58-2true, 205#(= |#race~b~0| 0), Black: 193#true, 200#true, 195#(= |#race~a~0| 0), 79#L50-2true, 149#L42-2true, Black: 186#true, 142#L75-4true, 188#(= |#race~c~0| 0)]) [2024-11-28 02:57:39,598 INFO L294 olderBase$Statistics]: this new event has 95 ancestors and is cut-off event [2024-11-28 02:57:39,599 INFO L297 olderBase$Statistics]: existing Event has 93 ancestors and is cut-off event [2024-11-28 02:57:39,599 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2024-11-28 02:57:39,599 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2024-11-28 02:57:39,618 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([425] L58-9-->L58-2: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][94], [113#L58-2true, 139#L76-1true, 205#(= |#race~b~0| 0), Black: 193#true, 200#true, 195#(= |#race~a~0| 0), 79#L50-2true, Black: 186#true, 188#(= |#race~c~0| 0)]) [2024-11-28 02:57:39,618 INFO L294 olderBase$Statistics]: this new event has 103 ancestors and is cut-off event [2024-11-28 02:57:39,618 INFO L297 olderBase$Statistics]: existing Event has 101 ancestors and is cut-off event [2024-11-28 02:57:39,618 INFO L297 olderBase$Statistics]: existing Event has 103 ancestors and is cut-off event [2024-11-28 02:57:39,618 INFO L297 olderBase$Statistics]: existing Event has 88 ancestors and is cut-off event [2024-11-28 02:57:39,620 INFO L124 PetriNetUnfolderBase]: 140/946 cut-off events. [2024-11-28 02:57:39,621 INFO L125 PetriNetUnfolderBase]: For 28/32 co-relation queries the response was YES. [2024-11-28 02:57:39,626 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1236 conditions, 946 events. 140/946 cut-off events. For 28/32 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 6425 event pairs, 21 based on Foata normal form. 1/834 useless extension candidates. Maximal degree in co-relation 974. Up to 146 conditions per place. [2024-11-28 02:57:39,633 INFO L140 encePairwiseOnDemand]: 167/171 looper letters, 15 selfloop transitions, 2 changer transitions 0/144 dead transitions. [2024-11-28 02:57:39,633 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 144 transitions, 361 flow [2024-11-28 02:57:39,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:39,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:57:39,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 478 transitions. [2024-11-28 02:57:39,636 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9317738791423001 [2024-11-28 02:57:39,636 INFO L175 Difference]: Start difference. First operand has 144 places, 140 transitions, 315 flow. Second operand 3 states and 478 transitions. [2024-11-28 02:57:39,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 144 transitions, 361 flow [2024-11-28 02:57:39,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 144 transitions, 357 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:57:39,642 INFO L231 Difference]: Finished difference. Result has 143 places, 140 transitions, 321 flow [2024-11-28 02:57:39,642 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=307, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=321, PETRI_PLACES=143, PETRI_TRANSITIONS=140} [2024-11-28 02:57:39,644 INFO L279 CegarLoopForPetriNet]: 155 programPoint places, -12 predicate places. [2024-11-28 02:57:39,644 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 140 transitions, 321 flow [2024-11-28 02:57:39,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 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 02:57:39,645 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:39,645 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] [2024-11-28 02:57:39,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:57:39,646 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-28 02:57:39,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:39,647 INFO L85 PathProgramCache]: Analyzing trace with hash -136180730, now seen corresponding path program 1 times [2024-11-28 02:57:39,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:39,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484586811] [2024-11-28 02:57:39,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:39,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:39,745 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 02:57:39,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:39,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484586811] [2024-11-28 02:57:39,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484586811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:39,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:39,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:57:39,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215560613] [2024-11-28 02:57:39,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:39,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:39,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:39,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:39,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:39,786 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 171 [2024-11-28 02:57:39,787 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 140 transitions, 321 flow. Second operand has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 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 02:57:39,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:39,787 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 171 [2024-11-28 02:57:39,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:39,934 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([425] L58-9-->L58-2: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][93], [113#L58-2true, 205#(= |#race~b~0| 0), Black: 193#true, 195#(= |#race~a~0| 0), 79#L50-2true, 207#true, 149#L42-2true, Black: 186#true, 142#L75-4true, Black: 203#true, 188#(= |#race~c~0| 0)]) [2024-11-28 02:57:39,935 INFO L294 olderBase$Statistics]: this new event has 95 ancestors and is cut-off event [2024-11-28 02:57:39,935 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2024-11-28 02:57:39,935 INFO L297 olderBase$Statistics]: existing Event has 93 ancestors and is cut-off event [2024-11-28 02:57:39,935 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2024-11-28 02:57:39,956 INFO L124 PetriNetUnfolderBase]: 124/881 cut-off events. [2024-11-28 02:57:39,956 INFO L125 PetriNetUnfolderBase]: For 27/33 co-relation queries the response was YES. [2024-11-28 02:57:39,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1211 conditions, 881 events. 124/881 cut-off events. For 27/33 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 5730 event pairs, 42 based on Foata normal form. 0/800 useless extension candidates. Maximal degree in co-relation 898. Up to 101 conditions per place. [2024-11-28 02:57:39,965 INFO L140 encePairwiseOnDemand]: 168/171 looper letters, 12 selfloop transitions, 2 changer transitions 0/141 dead transitions. [2024-11-28 02:57:39,965 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 141 transitions, 353 flow [2024-11-28 02:57:39,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:39,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:57:39,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-11-28 02:57:39,967 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9239766081871345 [2024-11-28 02:57:39,967 INFO L175 Difference]: Start difference. First operand has 143 places, 140 transitions, 321 flow. Second operand 3 states and 474 transitions. [2024-11-28 02:57:39,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 141 transitions, 353 flow [2024-11-28 02:57:39,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 141 transitions, 353 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:57:39,972 INFO L231 Difference]: Finished difference. Result has 144 places, 139 transitions, 323 flow [2024-11-28 02:57:39,972 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=319, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=323, PETRI_PLACES=144, PETRI_TRANSITIONS=139} [2024-11-28 02:57:39,974 INFO L279 CegarLoopForPetriNet]: 155 programPoint places, -11 predicate places. [2024-11-28 02:57:39,975 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 139 transitions, 323 flow [2024-11-28 02:57:39,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 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 02:57:39,975 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:39,976 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] [2024-11-28 02:57:39,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:57:39,976 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-28 02:57:39,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:39,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1106275265, now seen corresponding path program 1 times [2024-11-28 02:57:39,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:39,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371632148] [2024-11-28 02:57:39,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:39,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:40,022 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 02:57:40,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:40,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371632148] [2024-11-28 02:57:40,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371632148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:40,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:40,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:57:40,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916256653] [2024-11-28 02:57:40,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:40,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:40,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:40,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:40,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:40,042 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 171 [2024-11-28 02:57:40,043 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 139 transitions, 323 flow. Second operand has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 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 02:57:40,043 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:40,043 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 171 [2024-11-28 02:57:40,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:40,150 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([425] L58-9-->L58-2: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][93], [113#L58-2true, 205#(= |#race~b~0| 0), Black: 193#true, 195#(= |#race~a~0| 0), 79#L50-2true, 210#true, 207#true, 149#L42-2true, Black: 186#true, 142#L75-4true, Black: 203#true, 188#(= |#race~c~0| 0)]) [2024-11-28 02:57:40,151 INFO L294 olderBase$Statistics]: this new event has 95 ancestors and is cut-off event [2024-11-28 02:57:40,151 INFO L297 olderBase$Statistics]: existing Event has 93 ancestors and is cut-off event [2024-11-28 02:57:40,151 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2024-11-28 02:57:40,151 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2024-11-28 02:57:40,169 INFO L124 PetriNetUnfolderBase]: 98/652 cut-off events. [2024-11-28 02:57:40,169 INFO L125 PetriNetUnfolderBase]: For 31/47 co-relation queries the response was YES. [2024-11-28 02:57:40,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 922 conditions, 652 events. 98/652 cut-off events. For 31/47 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3818 event pairs, 14 based on Foata normal form. 6/607 useless extension candidates. Maximal degree in co-relation 750. Up to 64 conditions per place. [2024-11-28 02:57:40,176 INFO L140 encePairwiseOnDemand]: 166/171 looper letters, 8 selfloop transitions, 2 changer transitions 6/139 dead transitions. [2024-11-28 02:57:40,176 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 139 transitions, 349 flow [2024-11-28 02:57:40,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:40,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:57:40,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 473 transitions. [2024-11-28 02:57:40,178 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9220272904483431 [2024-11-28 02:57:40,179 INFO L175 Difference]: Start difference. First operand has 144 places, 139 transitions, 323 flow. Second operand 3 states and 473 transitions. [2024-11-28 02:57:40,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 139 transitions, 349 flow [2024-11-28 02:57:40,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 139 transitions, 345 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:57:40,184 INFO L231 Difference]: Finished difference. Result has 142 places, 131 transitions, 306 flow [2024-11-28 02:57:40,184 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=315, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=142, PETRI_TRANSITIONS=131} [2024-11-28 02:57:40,185 INFO L279 CegarLoopForPetriNet]: 155 programPoint places, -13 predicate places. [2024-11-28 02:57:40,185 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 131 transitions, 306 flow [2024-11-28 02:57:40,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 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 02:57:40,186 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:57:40,186 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] [2024-11-28 02:57:40,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 02:57:40,186 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-11-28 02:57:40,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:57:40,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1408678310, now seen corresponding path program 1 times [2024-11-28 02:57:40,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:57:40,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101166609] [2024-11-28 02:57:40,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:57:40,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:57:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:57:40,271 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 02:57:40,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:57:40,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101166609] [2024-11-28 02:57:40,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101166609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:57:40,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:57:40,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:57:40,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790832477] [2024-11-28 02:57:40,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:57:40,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:57:40,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:57:40,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:57:40,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:57:40,299 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 171 [2024-11-28 02:57:40,300 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 131 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 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 02:57:40,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:57:40,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 171 [2024-11-28 02:57:40,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:57:40,409 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([425] L58-9-->L58-2: Formula: (= |v_#race~c~0_7| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_7|} AuxVars[] AssignedVars[#race~c~0][93], [113#L58-2true, 205#(= |#race~b~0| 0), Black: 193#true, 195#(= |#race~a~0| 0), 79#L50-2true, 210#true, 213#true, 149#L42-2true, Black: 186#true, 142#L75-4true, Black: 203#true, 188#(= |#race~c~0| 0)]) [2024-11-28 02:57:40,409 INFO L294 olderBase$Statistics]: this new event has 95 ancestors and is cut-off event [2024-11-28 02:57:40,409 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2024-11-28 02:57:40,409 INFO L297 olderBase$Statistics]: existing Event has 93 ancestors and is cut-off event [2024-11-28 02:57:40,409 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2024-11-28 02:57:40,416 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([443] L59-6-->L59-7: Formula: true InVars {} OutVars{thread3Thread1of1ForFork0_#t~nondet5=|v_thread3Thread1of1ForFork0_#t~nondet5_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~nondet5][123], [30#L59-7true, 205#(= |#race~b~0| 0), Black: 193#true, 90#L77true, 195#(= |#race~a~0| 0), 213#true, Black: 186#true, Black: 203#true, 188#(= |#race~c~0| 0), 212#(= |#race~x_3~0| 0)]) [2024-11-28 02:57:40,417 INFO L294 olderBase$Statistics]: this new event has 104 ancestors and is cut-off event [2024-11-28 02:57:40,417 INFO L297 olderBase$Statistics]: existing Event has 102 ancestors and is cut-off event [2024-11-28 02:57:40,417 INFO L297 olderBase$Statistics]: existing Event has 87 ancestors and is cut-off event [2024-11-28 02:57:40,417 INFO L297 olderBase$Statistics]: existing Event has 102 ancestors and is cut-off event [2024-11-28 02:57:40,417 INFO L124 PetriNetUnfolderBase]: 108/651 cut-off events. [2024-11-28 02:57:40,417 INFO L125 PetriNetUnfolderBase]: For 59/83 co-relation queries the response was YES. [2024-11-28 02:57:40,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 951 conditions, 651 events. 108/651 cut-off events. For 59/83 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3818 event pairs, 29 based on Foata normal form. 1/604 useless extension candidates. Maximal degree in co-relation 701. Up to 80 conditions per place. [2024-11-28 02:57:40,421 INFO L140 encePairwiseOnDemand]: 168/171 looper letters, 0 selfloop transitions, 0 changer transitions 132/132 dead transitions. [2024-11-28 02:57:40,421 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 132 transitions, 334 flow [2024-11-28 02:57:40,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:57:40,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:57:40,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 472 transitions. [2024-11-28 02:57:40,424 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9200779727095516 [2024-11-28 02:57:40,424 INFO L175 Difference]: Start difference. First operand has 142 places, 131 transitions, 306 flow. Second operand 3 states and 472 transitions. [2024-11-28 02:57:40,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 132 transitions, 334 flow [2024-11-28 02:57:40,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 132 transitions, 330 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:57:40,428 INFO L231 Difference]: Finished difference. Result has 135 places, 0 transitions, 0 flow [2024-11-28 02:57:40,429 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=135, PETRI_TRANSITIONS=0} [2024-11-28 02:57:40,431 INFO L279 CegarLoopForPetriNet]: 155 programPoint places, -20 predicate places. [2024-11-28 02:57:40,431 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 0 transitions, 0 flow [2024-11-28 02:57:40,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 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 02:57:40,435 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (34 of 35 remaining) [2024-11-28 02:57:40,436 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (33 of 35 remaining) [2024-11-28 02:57:40,436 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (32 of 35 remaining) [2024-11-28 02:57:40,436 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (31 of 35 remaining) [2024-11-28 02:57:40,436 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (30 of 35 remaining) [2024-11-28 02:57:40,436 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (29 of 35 remaining) [2024-11-28 02:57:40,436 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (28 of 35 remaining) [2024-11-28 02:57:40,436 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (27 of 35 remaining) [2024-11-28 02:57:40,437 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (26 of 35 remaining) [2024-11-28 02:57:40,437 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (25 of 35 remaining) [2024-11-28 02:57:40,437 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (24 of 35 remaining) [2024-11-28 02:57:40,437 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (23 of 35 remaining) [2024-11-28 02:57:40,437 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (22 of 35 remaining) [2024-11-28 02:57:40,437 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (21 of 35 remaining) [2024-11-28 02:57:40,437 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (20 of 35 remaining) [2024-11-28 02:57:40,437 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 35 remaining) [2024-11-28 02:57:40,438 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (18 of 35 remaining) [2024-11-28 02:57:40,438 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (17 of 35 remaining) [2024-11-28 02:57:40,438 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (16 of 35 remaining) [2024-11-28 02:57:40,438 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 35 remaining) [2024-11-28 02:57:40,438 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 35 remaining) [2024-11-28 02:57:40,438 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 35 remaining) [2024-11-28 02:57:40,438 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 35 remaining) [2024-11-28 02:57:40,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (11 of 35 remaining) [2024-11-28 02:57:40,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (10 of 35 remaining) [2024-11-28 02:57:40,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (9 of 35 remaining) [2024-11-28 02:57:40,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 35 remaining) [2024-11-28 02:57:40,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 35 remaining) [2024-11-28 02:57:40,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (6 of 35 remaining) [2024-11-28 02:57:40,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (5 of 35 remaining) [2024-11-28 02:57:40,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (4 of 35 remaining) [2024-11-28 02:57:40,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (3 of 35 remaining) [2024-11-28 02:57:40,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 35 remaining) [2024-11-28 02:57:40,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (1 of 35 remaining) [2024-11-28 02:57:40,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (0 of 35 remaining) [2024-11-28 02:57:40,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 02:57:40,440 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:57:40,446 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 02:57:40,447 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:57:40,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:57:40 BasicIcfg [2024-11-28 02:57:40,457 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:57:40,457 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:57:40,457 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:57:40,458 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:57:40,458 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:36" (3/4) ... [2024-11-28 02:57:40,460 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:57:40,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 02:57:40,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 02:57:40,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-28 02:57:40,468 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-28 02:57:40,468 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 02:57:40,468 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 02:57:40,468 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:57:40,547 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35dfea1f-427f-4b40-98e6-735945de0cd8/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:57:40,547 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35dfea1f-427f-4b40-98e6-735945de0cd8/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:57:40,547 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:57:40,548 INFO L158 Benchmark]: Toolchain (without parser) took 5368.85ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.8MB in the beginning and 210.4MB in the end (delta: -116.7MB). Peak memory consumption was 114.5MB. Max. memory is 16.1GB. [2024-11-28 02:57:40,548 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 167.8MB. Free memory was 103.9MB in the beginning and 103.7MB in the end (delta: 215.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:57:40,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.30ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 81.8MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:57:40,549 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.67ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:57:40,550 INFO L158 Benchmark]: Boogie Preprocessor took 49.34ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:57:40,550 INFO L158 Benchmark]: RCFGBuilder took 561.46ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 63.5MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:57:40,550 INFO L158 Benchmark]: TraceAbstraction took 4315.52ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 62.8MB in the beginning and 213.7MB in the end (delta: -150.8MB). Peak memory consumption was 89.3MB. Max. memory is 16.1GB. [2024-11-28 02:57:40,550 INFO L158 Benchmark]: Witness Printer took 89.89ms. Allocated memory is still 352.3MB. Free memory was 213.7MB in the beginning and 210.4MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:57:40,552 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 167.8MB. Free memory was 103.9MB in the beginning and 103.7MB in the end (delta: 215.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.30ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 81.8MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.67ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.34ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 561.46ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 63.5MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4315.52ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 62.8MB in the beginning and 213.7MB in the end (delta: -150.8MB). Peak memory consumption was 89.3MB. Max. memory is 16.1GB. * Witness Printer took 89.89ms. Allocated memory is still 352.3MB. Free memory was 213.7MB in the beginning and 210.4MB in the end (delta: 3.2MB). There was no memory consumed. 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: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: 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: 80]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 246 locations, 35 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: 4.1s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 242 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 76 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 337 IncrementalHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 76 mSDtfsCounter, 337 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=323occurred in iteration=10, InterpolantAutomatonStates: 36, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 591 NumberOfCodeBlocks, 591 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 579 ConstructedInterpolants, 0 QuantifiedInterpolants, 603 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 19 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 02:57:40,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35dfea1f-427f-4b40-98e6-735945de0cd8/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