./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/bench-exp2x6.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_96af8ac6-0297-43c8-a285-aea719d3ec89/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96af8ac6-0297-43c8-a285-aea719d3ec89/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_96af8ac6-0297-43c8-a285-aea719d3ec89/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96af8ac6-0297-43c8-a285-aea719d3ec89/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96af8ac6-0297-43c8-a285-aea719d3ec89/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_96af8ac6-0297-43c8-a285-aea719d3ec89/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 1f93f8af6c620ba8dc44e82cf4c30bbca874545f3e3802e43ba4e1345a3afed4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:48:06,248 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:48:06,334 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96af8ac6-0297-43c8-a285-aea719d3ec89/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 03:48:06,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:48:06,342 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:48:06,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:48:06,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:48:06,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:48:06,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:48:06,375 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:48:06,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:48:06,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:48:06,375 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:48:06,376 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:48:06,376 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:48:06,376 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:48:06,376 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:48:06,376 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:48:06,377 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:48:06,377 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:48:06,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:48:06,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:48:06,377 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 03:48:06,377 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:48:06,378 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:48:06,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:48:06,378 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:48:06,378 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:48:06,378 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:48:06,379 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:48:06,379 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:48:06,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:48:06,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:48:06,379 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:48:06,380 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:48:06,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:48:06,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:48:06,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:48:06,380 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:48:06,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:48:06,380 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:48:06,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:48:06,381 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:48:06,381 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:48:06,381 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:48:06,381 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:48:06,381 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_96af8ac6-0297-43c8-a285-aea719d3ec89/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 -> 1f93f8af6c620ba8dc44e82cf4c30bbca874545f3e3802e43ba4e1345a3afed4 [2024-11-28 03:48:06,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:48:06,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:48:06,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:48:06,800 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:48:06,800 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:48:06,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96af8ac6-0297-43c8-a285-aea719d3ec89/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/bench-exp2x6.wvr.c [2024-11-28 03:48:10,019 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96af8ac6-0297-43c8-a285-aea719d3ec89/bin/uautomizer-verify-aQ6SnzHsRB/data/7dd048ca8/2bd179fdf3be481b97309a5edf942201/FLAGaf35653b4 [2024-11-28 03:48:10,336 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:48:10,337 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96af8ac6-0297-43c8-a285-aea719d3ec89/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c [2024-11-28 03:48:10,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96af8ac6-0297-43c8-a285-aea719d3ec89/bin/uautomizer-verify-aQ6SnzHsRB/data/7dd048ca8/2bd179fdf3be481b97309a5edf942201/FLAGaf35653b4 [2024-11-28 03:48:10,387 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96af8ac6-0297-43c8-a285-aea719d3ec89/bin/uautomizer-verify-aQ6SnzHsRB/data/7dd048ca8/2bd179fdf3be481b97309a5edf942201 [2024-11-28 03:48:10,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:48:10,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:48:10,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:48:10,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:48:10,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:48:10,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:48:10" (1/1) ... [2024-11-28 03:48:10,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7316be88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:10, skipping insertion in model container [2024-11-28 03:48:10,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:48:10" (1/1) ... [2024-11-28 03:48:10,422 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:48:10,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:48:10,676 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:48:10,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:48:10,720 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:48:10,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:10 WrapperNode [2024-11-28 03:48:10,720 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:48:10,721 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:48:10,721 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:48:10,721 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:48:10,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:10" (1/1) ... [2024-11-28 03:48:10,737 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:10" (1/1) ... [2024-11-28 03:48:10,757 INFO L138 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 129 [2024-11-28 03:48:10,758 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:48:10,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:48:10,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:48:10,758 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:48:10,766 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:10" (1/1) ... [2024-11-28 03:48:10,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:10" (1/1) ... [2024-11-28 03:48:10,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:10" (1/1) ... [2024-11-28 03:48:10,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:10" (1/1) ... [2024-11-28 03:48:10,777 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:10" (1/1) ... [2024-11-28 03:48:10,779 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:10" (1/1) ... [2024-11-28 03:48:10,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:10" (1/1) ... [2024-11-28 03:48:10,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:10" (1/1) ... [2024-11-28 03:48:10,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:10" (1/1) ... [2024-11-28 03:48:10,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:48:10,789 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:48:10,789 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:48:10,789 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:48:10,790 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:10" (1/1) ... [2024-11-28 03:48:10,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:48:10,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96af8ac6-0297-43c8-a285-aea719d3ec89/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:48:10,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96af8ac6-0297-43c8-a285-aea719d3ec89/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:48:10,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96af8ac6-0297-43c8-a285-aea719d3ec89/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:48:10,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:48:10,871 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 03:48:10,871 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 03:48:10,871 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 03:48:10,871 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 03:48:10,871 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-28 03:48:10,871 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-28 03:48:10,871 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-28 03:48:10,872 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-28 03:48:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 03:48:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:48:10,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:48:10,874 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 03:48:11,001 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:48:11,004 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:48:11,677 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:48:11,677 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:48:11,715 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:48:11,716 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 03:48:11,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:48:11 BoogieIcfgContainer [2024-11-28 03:48:11,718 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:48:11,721 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:48:11,721 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:48:11,727 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:48:11,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:48:10" (1/3) ... [2024-11-28 03:48:11,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f9b72af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:48:11, skipping insertion in model container [2024-11-28 03:48:11,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:48:10" (2/3) ... [2024-11-28 03:48:11,730 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f9b72af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:48:11, skipping insertion in model container [2024-11-28 03:48:11,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:48:11" (3/3) ... [2024-11-28 03:48:11,732 INFO L128 eAbstractionObserver]: Analyzing ICFG bench-exp2x6.wvr.c [2024-11-28 03:48:11,750 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:48:11,752 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bench-exp2x6.wvr.c that has 5 procedures, 390 locations, 1 initial locations, 4 loop locations, and 71 error locations. [2024-11-28 03:48:11,752 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:48:11,984 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-28 03:48:12,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 402 places, 403 transitions, 834 flow [2024-11-28 03:48:12,267 INFO L124 PetriNetUnfolderBase]: 14/399 cut-off events. [2024-11-28 03:48:12,271 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-28 03:48:12,287 INFO L83 FinitePrefix]: Finished finitePrefix Result has 416 conditions, 399 events. 14/399 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1156 event pairs, 0 based on Foata normal form. 0/314 useless extension candidates. Maximal degree in co-relation 305. Up to 2 conditions per place. [2024-11-28 03:48:12,288 INFO L82 GeneralOperation]: Start removeDead. Operand has 402 places, 403 transitions, 834 flow [2024-11-28 03:48:12,299 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 380 places, 379 transitions, 782 flow [2024-11-28 03:48:12,308 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:48:12,320 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;@2a10fe3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:48:12,321 INFO L334 AbstractCegarLoop]: Starting to check reachability of 131 error locations. [2024-11-28 03:48:12,327 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:48:12,327 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-28 03:48:12,327 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:48:12,327 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:12,328 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 03:48:12,329 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-11-28 03:48:12,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:12,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1452873591, now seen corresponding path program 1 times [2024-11-28 03:48:12,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:12,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565495560] [2024-11-28 03:48:12,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:12,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:12,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:12,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:12,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565495560] [2024-11-28 03:48:12,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565495560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:12,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:12,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:12,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822960931] [2024-11-28 03:48:12,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:12,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:12,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:12,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:12,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:12,757 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 365 out of 403 [2024-11-28 03:48:12,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 379 transitions, 782 flow. Second operand has 3 states, 3 states have (on average 366.3333333333333) internal successors, (1099), 3 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:12,765 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:12,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 365 of 403 [2024-11-28 03:48:12,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:13,059 INFO L124 PetriNetUnfolderBase]: 49/589 cut-off events. [2024-11-28 03:48:13,060 INFO L125 PetriNetUnfolderBase]: For 49/49 co-relation queries the response was YES. [2024-11-28 03:48:13,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 795 conditions, 589 events. 49/589 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2880 event pairs, 39 based on Foata normal form. 91/555 useless extension candidates. Maximal degree in co-relation 653. Up to 109 conditions per place. [2024-11-28 03:48:13,079 INFO L140 encePairwiseOnDemand]: 395/403 looper letters, 27 selfloop transitions, 2 changer transitions 1/373 dead transitions. [2024-11-28 03:48:13,079 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 373 transitions, 828 flow [2024-11-28 03:48:13,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:13,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:13,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1130 transitions. [2024-11-28 03:48:13,104 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9346567411083541 [2024-11-28 03:48:13,109 INFO L175 Difference]: Start difference. First operand has 380 places, 379 transitions, 782 flow. Second operand 3 states and 1130 transitions. [2024-11-28 03:48:13,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 373 transitions, 828 flow [2024-11-28 03:48:13,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 373 transitions, 812 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-28 03:48:13,131 INFO L231 Difference]: Finished difference. Result has 373 places, 372 transitions, 756 flow [2024-11-28 03:48:13,134 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=754, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=373, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=756, PETRI_PLACES=373, PETRI_TRANSITIONS=372} [2024-11-28 03:48:13,138 INFO L279 CegarLoopForPetriNet]: 380 programPoint places, -7 predicate places. [2024-11-28 03:48:13,141 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 372 transitions, 756 flow [2024-11-28 03:48:13,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 366.3333333333333) internal successors, (1099), 3 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:13,142 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:13,143 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 03:48:13,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:48:13,143 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-11-28 03:48:13,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:13,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1830270264, now seen corresponding path program 1 times [2024-11-28 03:48:13,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:13,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974372435] [2024-11-28 03:48:13,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:13,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:13,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:13,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:13,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974372435] [2024-11-28 03:48:13,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974372435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:13,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:13,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:13,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931502414] [2024-11-28 03:48:13,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:13,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:13,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:13,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:13,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:13,364 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 403 [2024-11-28 03:48:13,366 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 372 transitions, 756 flow. Second operand has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:13,367 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:13,367 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 403 [2024-11-28 03:48:13,367 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:13,613 INFO L124 PetriNetUnfolderBase]: 49/587 cut-off events. [2024-11-28 03:48:13,613 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-28 03:48:13,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 731 conditions, 587 events. 49/587 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2948 event pairs, 39 based on Foata normal form. 0/464 useless extension candidates. Maximal degree in co-relation 701. Up to 108 conditions per place. [2024-11-28 03:48:13,631 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 26 selfloop transitions, 2 changer transitions 0/371 dead transitions. [2024-11-28 03:48:13,631 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 371 transitions, 810 flow [2024-11-28 03:48:13,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:13,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:13,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1127 transitions. [2024-11-28 03:48:13,637 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9321753515301903 [2024-11-28 03:48:13,637 INFO L175 Difference]: Start difference. First operand has 373 places, 372 transitions, 756 flow. Second operand 3 states and 1127 transitions. [2024-11-28 03:48:13,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 371 transitions, 810 flow [2024-11-28 03:48:13,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 371 transitions, 806 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:48:13,651 INFO L231 Difference]: Finished difference. Result has 371 places, 371 transitions, 754 flow [2024-11-28 03:48:13,651 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=750, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=754, PETRI_PLACES=371, PETRI_TRANSITIONS=371} [2024-11-28 03:48:13,652 INFO L279 CegarLoopForPetriNet]: 380 programPoint places, -9 predicate places. [2024-11-28 03:48:13,652 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 371 transitions, 754 flow [2024-11-28 03:48:13,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:13,654 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:13,654 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 03:48:13,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:48:13,654 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-11-28 03:48:13,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:13,656 INFO L85 PathProgramCache]: Analyzing trace with hash -454455376, now seen corresponding path program 1 times [2024-11-28 03:48:13,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:13,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928624302] [2024-11-28 03:48:13,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:13,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:13,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:13,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:13,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928624302] [2024-11-28 03:48:13,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928624302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:13,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:13,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:13,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876680315] [2024-11-28 03:48:13,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:13,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:13,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:13,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:13,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:13,873 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 365 out of 403 [2024-11-28 03:48:13,875 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 371 transitions, 754 flow. Second operand has 3 states, 3 states have (on average 366.3333333333333) internal successors, (1099), 3 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:13,875 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:13,875 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 365 of 403 [2024-11-28 03:48:13,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:14,095 INFO L124 PetriNetUnfolderBase]: 49/541 cut-off events. [2024-11-28 03:48:14,095 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-11-28 03:48:14,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 673 conditions, 541 events. 49/541 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2540 event pairs, 39 based on Foata normal form. 0/435 useless extension candidates. Maximal degree in co-relation 636. Up to 109 conditions per place. [2024-11-28 03:48:14,114 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 27 selfloop transitions, 2 changer transitions 0/370 dead transitions. [2024-11-28 03:48:14,117 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 370 transitions, 810 flow [2024-11-28 03:48:14,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:14,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:14,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1125 transitions. [2024-11-28 03:48:14,123 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9305210918114144 [2024-11-28 03:48:14,125 INFO L175 Difference]: Start difference. First operand has 371 places, 371 transitions, 754 flow. Second operand 3 states and 1125 transitions. [2024-11-28 03:48:14,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 370 transitions, 810 flow [2024-11-28 03:48:14,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 370 transitions, 806 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:48:14,139 INFO L231 Difference]: Finished difference. Result has 370 places, 370 transitions, 752 flow [2024-11-28 03:48:14,140 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=748, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=752, PETRI_PLACES=370, PETRI_TRANSITIONS=370} [2024-11-28 03:48:14,141 INFO L279 CegarLoopForPetriNet]: 380 programPoint places, -10 predicate places. [2024-11-28 03:48:14,141 INFO L471 AbstractCegarLoop]: Abstraction has has 370 places, 370 transitions, 752 flow [2024-11-28 03:48:14,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 366.3333333333333) internal successors, (1099), 3 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:14,143 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:14,143 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:14,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:48:14,144 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-11-28 03:48:14,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:14,145 INFO L85 PathProgramCache]: Analyzing trace with hash 344631959, now seen corresponding path program 1 times [2024-11-28 03:48:14,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:14,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751068348] [2024-11-28 03:48:14,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:14,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:14,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:14,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:14,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751068348] [2024-11-28 03:48:14,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751068348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:14,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:14,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:14,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796014141] [2024-11-28 03:48:14,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:14,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:14,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:14,244 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:14,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:14,396 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 403 [2024-11-28 03:48:14,398 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 370 transitions, 752 flow. Second operand has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:14,399 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:14,399 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 403 [2024-11-28 03:48:14,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:14,598 INFO L124 PetriNetUnfolderBase]: 49/495 cut-off events. [2024-11-28 03:48:14,598 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-11-28 03:48:14,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 613 conditions, 495 events. 49/495 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2071 event pairs, 39 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 569. Up to 108 conditions per place. [2024-11-28 03:48:14,611 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 26 selfloop transitions, 2 changer transitions 0/369 dead transitions. [2024-11-28 03:48:14,611 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 369 transitions, 806 flow [2024-11-28 03:48:14,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:14,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:14,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1127 transitions. [2024-11-28 03:48:14,617 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9321753515301903 [2024-11-28 03:48:14,617 INFO L175 Difference]: Start difference. First operand has 370 places, 370 transitions, 752 flow. Second operand 3 states and 1127 transitions. [2024-11-28 03:48:14,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 369 transitions, 806 flow [2024-11-28 03:48:14,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 369 transitions, 802 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:48:14,627 INFO L231 Difference]: Finished difference. Result has 369 places, 369 transitions, 750 flow [2024-11-28 03:48:14,628 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=746, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=750, PETRI_PLACES=369, PETRI_TRANSITIONS=369} [2024-11-28 03:48:14,629 INFO L279 CegarLoopForPetriNet]: 380 programPoint places, -11 predicate places. [2024-11-28 03:48:14,629 INFO L471 AbstractCegarLoop]: Abstraction has has 369 places, 369 transitions, 750 flow [2024-11-28 03:48:14,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:14,630 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:14,630 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] [2024-11-28 03:48:14,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:48:14,631 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-11-28 03:48:14,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:14,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1418518307, now seen corresponding path program 1 times [2024-11-28 03:48:14,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:14,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120319046] [2024-11-28 03:48:14,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:14,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:14,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:14,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:14,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120319046] [2024-11-28 03:48:14,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120319046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:14,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:14,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:14,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341295989] [2024-11-28 03:48:14,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:14,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:14,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:14,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:14,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:14,739 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 403 [2024-11-28 03:48:14,741 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 369 places, 369 transitions, 750 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:14,741 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:14,741 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 403 [2024-11-28 03:48:14,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:15,343 INFO L124 PetriNetUnfolderBase]: 102/2206 cut-off events. [2024-11-28 03:48:15,343 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-28 03:48:15,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2371 conditions, 2206 events. 102/2206 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 18725 event pairs, 51 based on Foata normal form. 0/1664 useless extension candidates. Maximal degree in co-relation 2320. Up to 144 conditions per place. [2024-11-28 03:48:15,384 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 15 selfloop transitions, 2 changer transitions 0/368 dead transitions. [2024-11-28 03:48:15,384 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 368 transitions, 782 flow [2024-11-28 03:48:15,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:15,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:15,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1149 transitions. [2024-11-28 03:48:15,387 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9503722084367245 [2024-11-28 03:48:15,387 INFO L175 Difference]: Start difference. First operand has 369 places, 369 transitions, 750 flow. Second operand 3 states and 1149 transitions. [2024-11-28 03:48:15,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 368 transitions, 782 flow [2024-11-28 03:48:15,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 368 transitions, 778 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:48:15,394 INFO L231 Difference]: Finished difference. Result has 368 places, 368 transitions, 748 flow [2024-11-28 03:48:15,394 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=744, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=748, PETRI_PLACES=368, PETRI_TRANSITIONS=368} [2024-11-28 03:48:15,396 INFO L279 CegarLoopForPetriNet]: 380 programPoint places, -12 predicate places. [2024-11-28 03:48:15,396 INFO L471 AbstractCegarLoop]: Abstraction has has 368 places, 368 transitions, 748 flow [2024-11-28 03:48:15,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:15,397 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:15,397 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] [2024-11-28 03:48:15,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:48:15,397 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-11-28 03:48:15,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:15,401 INFO L85 PathProgramCache]: Analyzing trace with hash 2022233180, now seen corresponding path program 1 times [2024-11-28 03:48:15,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:15,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159844720] [2024-11-28 03:48:15,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:15,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:15,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:15,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:15,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159844720] [2024-11-28 03:48:15,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159844720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:15,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:15,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:15,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832349293] [2024-11-28 03:48:15,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:15,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:15,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:15,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:15,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:15,569 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 347 out of 403 [2024-11-28 03:48:15,570 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 368 transitions, 748 flow. Second operand has 3 states, 3 states have (on average 348.0) internal successors, (1044), 3 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:15,570 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:15,571 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 347 of 403 [2024-11-28 03:48:15,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:15,746 INFO L124 PetriNetUnfolderBase]: 76/573 cut-off events. [2024-11-28 03:48:15,746 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 03:48:15,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 821 conditions, 573 events. 76/573 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2972 event pairs, 54 based on Foata normal form. 0/489 useless extension candidates. Maximal degree in co-relation 763. Up to 144 conditions per place. [2024-11-28 03:48:15,760 INFO L140 encePairwiseOnDemand]: 382/403 looper letters, 32 selfloop transitions, 9 changer transitions 0/360 dead transitions. [2024-11-28 03:48:15,760 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 360 transitions, 817 flow [2024-11-28 03:48:15,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:15,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:15,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1094 transitions. [2024-11-28 03:48:15,764 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9048800661703887 [2024-11-28 03:48:15,764 INFO L175 Difference]: Start difference. First operand has 368 places, 368 transitions, 748 flow. Second operand 3 states and 1094 transitions. [2024-11-28 03:48:15,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 360 transitions, 817 flow [2024-11-28 03:48:15,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 360 transitions, 813 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:48:15,777 INFO L231 Difference]: Finished difference. Result has 357 places, 357 transitions, 751 flow [2024-11-28 03:48:15,778 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=720, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=751, PETRI_PLACES=357, PETRI_TRANSITIONS=357} [2024-11-28 03:48:15,779 INFO L279 CegarLoopForPetriNet]: 380 programPoint places, -23 predicate places. [2024-11-28 03:48:15,779 INFO L471 AbstractCegarLoop]: Abstraction has has 357 places, 357 transitions, 751 flow [2024-11-28 03:48:15,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 348.0) internal successors, (1044), 3 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:15,780 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:15,780 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] [2024-11-28 03:48:15,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:48:15,781 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-11-28 03:48:15,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:15,781 INFO L85 PathProgramCache]: Analyzing trace with hash 2040894576, now seen corresponding path program 1 times [2024-11-28 03:48:15,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:15,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229737323] [2024-11-28 03:48:15,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:15,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:15,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:15,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:15,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229737323] [2024-11-28 03:48:15,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229737323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:15,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:15,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:15,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279010412] [2024-11-28 03:48:15,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:15,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:15,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:15,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:15,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:15,978 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 403 [2024-11-28 03:48:15,980 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 357 transitions, 751 flow. Second operand has 3 states, 3 states have (on average 351.0) internal successors, (1053), 3 states have internal predecessors, (1053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:15,980 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:15,980 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 403 [2024-11-28 03:48:15,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:16,169 INFO L124 PetriNetUnfolderBase]: 76/563 cut-off events. [2024-11-28 03:48:16,169 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2024-11-28 03:48:16,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 800 conditions, 563 events. 76/563 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3012 event pairs, 54 based on Foata normal form. 0/491 useless extension candidates. Maximal degree in co-relation 694. Up to 142 conditions per place. [2024-11-28 03:48:16,183 INFO L140 encePairwiseOnDemand]: 383/403 looper letters, 30 selfloop transitions, 9 changer transitions 0/350 dead transitions. [2024-11-28 03:48:16,184 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 350 transitions, 818 flow [2024-11-28 03:48:16,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:16,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:16,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1100 transitions. [2024-11-28 03:48:16,187 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9098428453267163 [2024-11-28 03:48:16,187 INFO L175 Difference]: Start difference. First operand has 357 places, 357 transitions, 751 flow. Second operand 3 states and 1100 transitions. [2024-11-28 03:48:16,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 350 transitions, 818 flow [2024-11-28 03:48:16,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 350 transitions, 809 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:48:16,198 INFO L231 Difference]: Finished difference. Result has 348 places, 347 transitions, 751 flow [2024-11-28 03:48:16,198 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=720, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=337, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=751, PETRI_PLACES=348, PETRI_TRANSITIONS=347} [2024-11-28 03:48:16,199 INFO L279 CegarLoopForPetriNet]: 380 programPoint places, -32 predicate places. [2024-11-28 03:48:16,199 INFO L471 AbstractCegarLoop]: Abstraction has has 348 places, 347 transitions, 751 flow [2024-11-28 03:48:16,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 351.0) internal successors, (1053), 3 states have internal predecessors, (1053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:16,200 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:16,200 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] [2024-11-28 03:48:16,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:48:16,200 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-11-28 03:48:16,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:16,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1254684885, now seen corresponding path program 1 times [2024-11-28 03:48:16,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:16,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625114378] [2024-11-28 03:48:16,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:16,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:16,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:16,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:16,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625114378] [2024-11-28 03:48:16,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625114378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:16,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:16,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:16,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005556467] [2024-11-28 03:48:16,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:16,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:16,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:16,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:16,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:16,374 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 347 out of 403 [2024-11-28 03:48:16,376 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 347 transitions, 751 flow. Second operand has 3 states, 3 states have (on average 348.0) internal successors, (1044), 3 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:16,376 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:16,376 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 347 of 403 [2024-11-28 03:48:16,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:16,637 INFO L124 PetriNetUnfolderBase]: 83/744 cut-off events. [2024-11-28 03:48:16,638 INFO L125 PetriNetUnfolderBase]: For 55/55 co-relation queries the response was YES. [2024-11-28 03:48:16,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1008 conditions, 744 events. 83/744 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 4281 event pairs, 12 based on Foata normal form. 0/664 useless extension candidates. Maximal degree in co-relation 851. Up to 148 conditions per place. [2024-11-28 03:48:16,656 INFO L140 encePairwiseOnDemand]: 381/403 looper letters, 35 selfloop transitions, 10 changer transitions 0/343 dead transitions. [2024-11-28 03:48:16,656 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 343 transitions, 839 flow [2024-11-28 03:48:16,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:16,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:16,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1098 transitions. [2024-11-28 03:48:16,659 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9081885856079405 [2024-11-28 03:48:16,660 INFO L175 Difference]: Start difference. First operand has 348 places, 347 transitions, 751 flow. Second operand 3 states and 1098 transitions. [2024-11-28 03:48:16,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 343 transitions, 839 flow [2024-11-28 03:48:16,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 343 transitions, 830 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:48:16,667 INFO L231 Difference]: Finished difference. Result has 338 places, 337 transitions, 756 flow [2024-11-28 03:48:16,668 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=718, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=756, PETRI_PLACES=338, PETRI_TRANSITIONS=337} [2024-11-28 03:48:16,669 INFO L279 CegarLoopForPetriNet]: 380 programPoint places, -42 predicate places. [2024-11-28 03:48:16,672 INFO L471 AbstractCegarLoop]: Abstraction has has 338 places, 337 transitions, 756 flow [2024-11-28 03:48:16,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 348.0) internal successors, (1044), 3 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:16,673 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:16,673 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] [2024-11-28 03:48:16,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:48:16,673 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-11-28 03:48:16,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:16,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1133658259, now seen corresponding path program 1 times [2024-11-28 03:48:16,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:16,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254015508] [2024-11-28 03:48:16,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:16,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:16,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:16,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:16,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254015508] [2024-11-28 03:48:16,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254015508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:16,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:16,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:48:16,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92066318] [2024-11-28 03:48:16,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:16,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:48:16,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:16,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:48:16,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:48:16,826 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 403 [2024-11-28 03:48:16,828 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 337 transitions, 756 flow. Second operand has 4 states, 4 states have (on average 377.25) internal successors, (1509), 4 states have internal predecessors, (1509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:16,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:16,829 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 403 [2024-11-28 03:48:16,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:16,975 INFO L124 PetriNetUnfolderBase]: 12/569 cut-off events. [2024-11-28 03:48:16,975 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-28 03:48:16,979 INFO L83 FinitePrefix]: Finished finitePrefix Result has 673 conditions, 569 events. 12/569 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2413 event pairs, 0 based on Foata normal form. 0/503 useless extension candidates. Maximal degree in co-relation 474. Up to 26 conditions per place. [2024-11-28 03:48:16,983 INFO L140 encePairwiseOnDemand]: 397/403 looper letters, 19 selfloop transitions, 5 changer transitions 0/342 dead transitions. [2024-11-28 03:48:16,983 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 342 transitions, 814 flow [2024-11-28 03:48:16,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:48:16,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 03:48:16,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1905 transitions. [2024-11-28 03:48:16,987 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9454094292803971 [2024-11-28 03:48:16,987 INFO L175 Difference]: Start difference. First operand has 338 places, 337 transitions, 756 flow. Second operand 5 states and 1905 transitions. [2024-11-28 03:48:16,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 342 transitions, 814 flow [2024-11-28 03:48:16,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 342 transitions, 804 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:48:16,995 INFO L231 Difference]: Finished difference. Result has 345 places, 341 transitions, 784 flow [2024-11-28 03:48:16,996 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=746, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=784, PETRI_PLACES=345, PETRI_TRANSITIONS=341} [2024-11-28 03:48:16,997 INFO L279 CegarLoopForPetriNet]: 380 programPoint places, -35 predicate places. [2024-11-28 03:48:16,997 INFO L471 AbstractCegarLoop]: Abstraction has has 345 places, 341 transitions, 784 flow [2024-11-28 03:48:16,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 377.25) internal successors, (1509), 4 states have internal predecessors, (1509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:16,998 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:16,999 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] [2024-11-28 03:48:16,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:48:16,999 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-11-28 03:48:17,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:17,000 INFO L85 PathProgramCache]: Analyzing trace with hash 706968329, now seen corresponding path program 1 times [2024-11-28 03:48:17,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:17,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884055197] [2024-11-28 03:48:17,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:17,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:17,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:17,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:17,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884055197] [2024-11-28 03:48:17,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884055197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:17,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:17,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:17,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759211651] [2024-11-28 03:48:17,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:17,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:17,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:17,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:17,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:17,124 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 403 [2024-11-28 03:48:17,125 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 341 transitions, 784 flow. Second operand has 3 states, 3 states have (on average 351.0) internal successors, (1053), 3 states have internal predecessors, (1053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:17,126 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:17,126 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 403 [2024-11-28 03:48:17,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:17,408 INFO L124 PetriNetUnfolderBase]: 133/1059 cut-off events. [2024-11-28 03:48:17,408 INFO L125 PetriNetUnfolderBase]: For 114/114 co-relation queries the response was YES. [2024-11-28 03:48:17,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1477 conditions, 1059 events. 133/1059 cut-off events. For 114/114 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 7257 event pairs, 20 based on Foata normal form. 1/979 useless extension candidates. Maximal degree in co-relation 1115. Up to 236 conditions per place. [2024-11-28 03:48:17,427 INFO L140 encePairwiseOnDemand]: 383/403 looper letters, 31 selfloop transitions, 9 changer transitions 10/338 dead transitions. [2024-11-28 03:48:17,428 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 338 transitions, 869 flow [2024-11-28 03:48:17,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:17,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:17,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1103 transitions. [2024-11-28 03:48:17,431 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.91232423490488 [2024-11-28 03:48:17,431 INFO L175 Difference]: Start difference. First operand has 345 places, 341 transitions, 784 flow. Second operand 3 states and 1103 transitions. [2024-11-28 03:48:17,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 338 transitions, 869 flow [2024-11-28 03:48:17,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 338 transitions, 869 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:48:17,439 INFO L231 Difference]: Finished difference. Result has 337 places, 321 transitions, 772 flow [2024-11-28 03:48:17,439 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=772, PETRI_PLACES=337, PETRI_TRANSITIONS=321} [2024-11-28 03:48:17,440 INFO L279 CegarLoopForPetriNet]: 380 programPoint places, -43 predicate places. [2024-11-28 03:48:17,440 INFO L471 AbstractCegarLoop]: Abstraction has has 337 places, 321 transitions, 772 flow [2024-11-28 03:48:17,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 351.0) internal successors, (1053), 3 states have internal predecessors, (1053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:17,441 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:17,441 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:17,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 03:48:17,441 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-11-28 03:48:17,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:17,442 INFO L85 PathProgramCache]: Analyzing trace with hash -999423788, now seen corresponding path program 1 times [2024-11-28 03:48:17,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:17,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196536637] [2024-11-28 03:48:17,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:17,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:17,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:17,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:17,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196536637] [2024-11-28 03:48:17,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196536637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:17,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:17,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:17,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131901329] [2024-11-28 03:48:17,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:17,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:17,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:17,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:17,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:17,545 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 375 out of 403 [2024-11-28 03:48:17,547 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 321 transitions, 772 flow. Second operand has 3 states, 3 states have (on average 376.3333333333333) internal successors, (1129), 3 states have internal predecessors, (1129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:17,547 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:17,547 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 375 of 403 [2024-11-28 03:48:17,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:19,319 INFO L124 PetriNetUnfolderBase]: 751/9298 cut-off events. [2024-11-28 03:48:19,319 INFO L125 PetriNetUnfolderBase]: For 280/280 co-relation queries the response was YES. [2024-11-28 03:48:19,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12087 conditions, 9298 events. 751/9298 cut-off events. For 280/280 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 115323 event pairs, 349 based on Foata normal form. 0/8251 useless extension candidates. Maximal degree in co-relation 9115. Up to 1015 conditions per place. [2024-11-28 03:48:19,469 INFO L140 encePairwiseOnDemand]: 395/403 looper letters, 19 selfloop transitions, 4 changer transitions 0/324 dead transitions. [2024-11-28 03:48:19,469 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 324 transitions, 827 flow [2024-11-28 03:48:19,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:19,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:19,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1152 transitions. [2024-11-28 03:48:19,472 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9528535980148883 [2024-11-28 03:48:19,473 INFO L175 Difference]: Start difference. First operand has 337 places, 321 transitions, 772 flow. Second operand 3 states and 1152 transitions. [2024-11-28 03:48:19,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 324 transitions, 827 flow [2024-11-28 03:48:19,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 324 transitions, 818 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:48:19,490 INFO L231 Difference]: Finished difference. Result has 325 places, 321 transitions, 783 flow [2024-11-28 03:48:19,490 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=755, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=783, PETRI_PLACES=325, PETRI_TRANSITIONS=321} [2024-11-28 03:48:19,491 INFO L279 CegarLoopForPetriNet]: 380 programPoint places, -55 predicate places. [2024-11-28 03:48:19,491 INFO L471 AbstractCegarLoop]: Abstraction has has 325 places, 321 transitions, 783 flow [2024-11-28 03:48:19,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 376.3333333333333) internal successors, (1129), 3 states have internal predecessors, (1129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:19,492 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:19,492 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:19,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 03:48:19,492 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-11-28 03:48:19,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:19,493 INFO L85 PathProgramCache]: Analyzing trace with hash 601365272, now seen corresponding path program 1 times [2024-11-28 03:48:19,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:19,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926242624] [2024-11-28 03:48:19,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:19,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:19,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:19,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:19,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926242624] [2024-11-28 03:48:19,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926242624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:19,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:19,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:19,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289173235] [2024-11-28 03:48:19,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:19,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:19,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:19,569 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:19,569 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:19,665 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 403 [2024-11-28 03:48:19,666 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 321 transitions, 783 flow. Second operand has 3 states, 3 states have (on average 370.0) internal successors, (1110), 3 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:19,667 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:19,667 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 403 [2024-11-28 03:48:19,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:20,298 INFO L124 PetriNetUnfolderBase]: 284/2834 cut-off events. [2024-11-28 03:48:20,298 INFO L125 PetriNetUnfolderBase]: For 95/107 co-relation queries the response was YES. [2024-11-28 03:48:20,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4016 conditions, 2834 events. 284/2834 cut-off events. For 95/107 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 26461 event pairs, 145 based on Foata normal form. 0/2549 useless extension candidates. Maximal degree in co-relation 2727. Up to 339 conditions per place. [2024-11-28 03:48:20,340 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 28 selfloop transitions, 2 changer transitions 0/323 dead transitions. [2024-11-28 03:48:20,340 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 323 transitions, 850 flow [2024-11-28 03:48:20,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:20,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:20,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1131 transitions. [2024-11-28 03:48:20,343 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9354838709677419 [2024-11-28 03:48:20,343 INFO L175 Difference]: Start difference. First operand has 325 places, 321 transitions, 783 flow. Second operand 3 states and 1131 transitions. [2024-11-28 03:48:20,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 323 transitions, 850 flow [2024-11-28 03:48:20,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 323 transitions, 850 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:48:20,351 INFO L231 Difference]: Finished difference. Result has 326 places, 320 transitions, 785 flow [2024-11-28 03:48:20,352 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=785, PETRI_PLACES=326, PETRI_TRANSITIONS=320} [2024-11-28 03:48:20,352 INFO L279 CegarLoopForPetriNet]: 380 programPoint places, -54 predicate places. [2024-11-28 03:48:20,352 INFO L471 AbstractCegarLoop]: Abstraction has has 326 places, 320 transitions, 785 flow [2024-11-28 03:48:20,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.0) internal successors, (1110), 3 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:20,353 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:20,353 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:20,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 03:48:20,354 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-11-28 03:48:20,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:20,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1288793370, now seen corresponding path program 1 times [2024-11-28 03:48:20,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:20,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091289139] [2024-11-28 03:48:20,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:20,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:20,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:20,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:20,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091289139] [2024-11-28 03:48:20,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091289139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:20,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:20,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:20,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161490274] [2024-11-28 03:48:20,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:20,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:20,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:20,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:20,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:20,492 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 403 [2024-11-28 03:48:20,494 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 320 transitions, 785 flow. Second operand has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:20,494 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:20,494 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 403 [2024-11-28 03:48:20,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:21,205 INFO L124 PetriNetUnfolderBase]: 535/3683 cut-off events. [2024-11-28 03:48:21,205 INFO L125 PetriNetUnfolderBase]: For 379/387 co-relation queries the response was YES. [2024-11-28 03:48:21,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5758 conditions, 3683 events. 535/3683 cut-off events. For 379/387 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 36795 event pairs, 338 based on Foata normal form. 0/3346 useless extension candidates. Maximal degree in co-relation 5557. Up to 892 conditions per place. [2024-11-28 03:48:21,277 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 27 selfloop transitions, 2 changer transitions 0/322 dead transitions. [2024-11-28 03:48:21,277 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 322 transitions, 850 flow [2024-11-28 03:48:21,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:21,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:21,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1133 transitions. [2024-11-28 03:48:21,283 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9371381306865177 [2024-11-28 03:48:21,283 INFO L175 Difference]: Start difference. First operand has 326 places, 320 transitions, 785 flow. Second operand 3 states and 1133 transitions. [2024-11-28 03:48:21,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 322 transitions, 850 flow [2024-11-28 03:48:21,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 322 transitions, 846 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:48:21,291 INFO L231 Difference]: Finished difference. Result has 325 places, 319 transitions, 783 flow [2024-11-28 03:48:21,292 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=779, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=783, PETRI_PLACES=325, PETRI_TRANSITIONS=319} [2024-11-28 03:48:21,293 INFO L279 CegarLoopForPetriNet]: 380 programPoint places, -55 predicate places. [2024-11-28 03:48:21,293 INFO L471 AbstractCegarLoop]: Abstraction has has 325 places, 319 transitions, 783 flow [2024-11-28 03:48:21,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:21,294 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:21,294 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:21,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 03:48:21,295 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-11-28 03:48:21,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:21,297 INFO L85 PathProgramCache]: Analyzing trace with hash -894912927, now seen corresponding path program 1 times [2024-11-28 03:48:21,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:21,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214968004] [2024-11-28 03:48:21,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:21,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:21,372 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 03:48:21,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:21,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214968004] [2024-11-28 03:48:21,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214968004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:21,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:21,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:21,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733534615] [2024-11-28 03:48:21,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:21,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:21,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:21,374 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:21,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:21,474 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 403 [2024-11-28 03:48:21,476 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 319 transitions, 783 flow. Second operand has 3 states, 3 states have (on average 371.0) internal successors, (1113), 3 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:21,476 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:21,476 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 403 [2024-11-28 03:48:21,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:22,030 INFO L124 PetriNetUnfolderBase]: 284/2810 cut-off events. [2024-11-28 03:48:22,030 INFO L125 PetriNetUnfolderBase]: For 107/116 co-relation queries the response was YES. [2024-11-28 03:48:22,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4017 conditions, 2810 events. 284/2810 cut-off events. For 107/116 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 26154 event pairs, 145 based on Foata normal form. 0/2549 useless extension candidates. Maximal degree in co-relation 3417. Up to 339 conditions per place. [2024-11-28 03:48:22,061 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 28 selfloop transitions, 2 changer transitions 0/321 dead transitions. [2024-11-28 03:48:22,062 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 321 transitions, 850 flow [2024-11-28 03:48:22,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:22,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:22,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1131 transitions. [2024-11-28 03:48:22,065 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9354838709677419 [2024-11-28 03:48:22,065 INFO L175 Difference]: Start difference. First operand has 325 places, 319 transitions, 783 flow. Second operand 3 states and 1131 transitions. [2024-11-28 03:48:22,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 321 transitions, 850 flow [2024-11-28 03:48:22,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 321 transitions, 846 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:48:22,072 INFO L231 Difference]: Finished difference. Result has 324 places, 318 transitions, 781 flow [2024-11-28 03:48:22,073 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=777, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=781, PETRI_PLACES=324, PETRI_TRANSITIONS=318} [2024-11-28 03:48:22,074 INFO L279 CegarLoopForPetriNet]: 380 programPoint places, -56 predicate places. [2024-11-28 03:48:22,074 INFO L471 AbstractCegarLoop]: Abstraction has has 324 places, 318 transitions, 781 flow [2024-11-28 03:48:22,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.0) internal successors, (1113), 3 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:22,075 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:22,075 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:22,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 03:48:22,075 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-11-28 03:48:22,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:22,076 INFO L85 PathProgramCache]: Analyzing trace with hash 2049375281, now seen corresponding path program 1 times [2024-11-28 03:48:22,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:22,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227390214] [2024-11-28 03:48:22,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:22,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:22,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:22,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:22,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227390214] [2024-11-28 03:48:22,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227390214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:22,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:22,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:22,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472168059] [2024-11-28 03:48:22,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:22,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:22,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:22,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:22,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:22,205 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 403 [2024-11-28 03:48:22,207 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 318 transitions, 781 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:22,207 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:22,207 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 403 [2024-11-28 03:48:22,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:22,771 INFO L124 PetriNetUnfolderBase]: 313/2791 cut-off events. [2024-11-28 03:48:22,771 INFO L125 PetriNetUnfolderBase]: For 249/252 co-relation queries the response was YES. [2024-11-28 03:48:22,786 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3993 conditions, 2791 events. 313/2791 cut-off events. For 249/252 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 25670 event pairs, 169 based on Foata normal form. 0/2533 useless extension candidates. Maximal degree in co-relation 3842. Up to 440 conditions per place. [2024-11-28 03:48:22,802 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 29 selfloop transitions, 2 changer transitions 0/320 dead transitions. [2024-11-28 03:48:22,802 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 320 transitions, 850 flow [2024-11-28 03:48:22,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:22,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:22,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1131 transitions. [2024-11-28 03:48:22,805 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9354838709677419 [2024-11-28 03:48:22,805 INFO L175 Difference]: Start difference. First operand has 324 places, 318 transitions, 781 flow. Second operand 3 states and 1131 transitions. [2024-11-28 03:48:22,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 320 transitions, 850 flow [2024-11-28 03:48:22,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 320 transitions, 846 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:48:22,814 INFO L231 Difference]: Finished difference. Result has 323 places, 317 transitions, 779 flow [2024-11-28 03:48:22,814 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=775, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=779, PETRI_PLACES=323, PETRI_TRANSITIONS=317} [2024-11-28 03:48:22,815 INFO L279 CegarLoopForPetriNet]: 380 programPoint places, -57 predicate places. [2024-11-28 03:48:22,815 INFO L471 AbstractCegarLoop]: Abstraction has has 323 places, 317 transitions, 779 flow [2024-11-28 03:48:22,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:22,816 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:22,816 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:22,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 03:48:22,817 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-11-28 03:48:22,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:22,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1152120689, now seen corresponding path program 1 times [2024-11-28 03:48:22,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:22,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117736616] [2024-11-28 03:48:22,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:22,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:22,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:22,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:22,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117736616] [2024-11-28 03:48:22,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117736616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:22,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:22,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:22,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802922881] [2024-11-28 03:48:22,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:22,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:22,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:22,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:22,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:22,983 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 403 [2024-11-28 03:48:22,986 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 317 transitions, 779 flow. Second operand has 3 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:22,986 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:22,986 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 403 [2024-11-28 03:48:22,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:23,785 INFO L124 PetriNetUnfolderBase]: 547/3767 cut-off events. [2024-11-28 03:48:23,785 INFO L125 PetriNetUnfolderBase]: For 384/390 co-relation queries the response was YES. [2024-11-28 03:48:23,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5892 conditions, 3767 events. 547/3767 cut-off events. For 384/390 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 37355 event pairs, 338 based on Foata normal form. 0/3465 useless extension candidates. Maximal degree in co-relation 5380. Up to 892 conditions per place. [2024-11-28 03:48:23,844 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 27 selfloop transitions, 2 changer transitions 0/319 dead transitions. [2024-11-28 03:48:23,844 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 319 transitions, 844 flow [2024-11-28 03:48:23,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:23,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:23,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1133 transitions. [2024-11-28 03:48:23,848 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9371381306865177 [2024-11-28 03:48:23,848 INFO L175 Difference]: Start difference. First operand has 323 places, 317 transitions, 779 flow. Second operand 3 states and 1133 transitions. [2024-11-28 03:48:23,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 319 transitions, 844 flow [2024-11-28 03:48:23,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 319 transitions, 840 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:48:23,858 INFO L231 Difference]: Finished difference. Result has 322 places, 316 transitions, 777 flow [2024-11-28 03:48:23,859 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=773, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=777, PETRI_PLACES=322, PETRI_TRANSITIONS=316} [2024-11-28 03:48:23,859 INFO L279 CegarLoopForPetriNet]: 380 programPoint places, -58 predicate places. [2024-11-28 03:48:23,860 INFO L471 AbstractCegarLoop]: Abstraction has has 322 places, 316 transitions, 777 flow [2024-11-28 03:48:23,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:23,861 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:23,861 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:23,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 03:48:23,861 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread4Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-11-28 03:48:23,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:23,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1773604949, now seen corresponding path program 1 times [2024-11-28 03:48:23,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:23,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976918867] [2024-11-28 03:48:23,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:23,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:23,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:23,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:23,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976918867] [2024-11-28 03:48:23,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976918867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:23,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:23,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:23,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039690460] [2024-11-28 03:48:23,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:23,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:23,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:23,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:23,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:24,029 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 403 [2024-11-28 03:48:24,031 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 316 transitions, 777 flow. Second operand has 3 states, 3 states have (on average 371.6666666666667) internal successors, (1115), 3 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:24,031 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:24,031 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 403 [2024-11-28 03:48:24,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:24,532 INFO L124 PetriNetUnfolderBase]: 190/2157 cut-off events. [2024-11-28 03:48:24,533 INFO L125 PetriNetUnfolderBase]: For 185/192 co-relation queries the response was YES. [2024-11-28 03:48:24,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2990 conditions, 2157 events. 190/2157 cut-off events. For 185/192 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 18187 event pairs, 84 based on Foata normal form. 1/1978 useless extension candidates. Maximal degree in co-relation 2379. Up to 254 conditions per place. [2024-11-28 03:48:24,555 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 27 selfloop transitions, 2 changer transitions 0/318 dead transitions. [2024-11-28 03:48:24,556 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 318 transitions, 842 flow [2024-11-28 03:48:24,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:24,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:24,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1133 transitions. [2024-11-28 03:48:24,558 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9371381306865177 [2024-11-28 03:48:24,558 INFO L175 Difference]: Start difference. First operand has 322 places, 316 transitions, 777 flow. Second operand 3 states and 1133 transitions. [2024-11-28 03:48:24,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 318 transitions, 842 flow [2024-11-28 03:48:24,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 318 transitions, 838 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:48:24,565 INFO L231 Difference]: Finished difference. Result has 321 places, 315 transitions, 775 flow [2024-11-28 03:48:24,565 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=771, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=775, PETRI_PLACES=321, PETRI_TRANSITIONS=315} [2024-11-28 03:48:24,566 INFO L279 CegarLoopForPetriNet]: 380 programPoint places, -59 predicate places. [2024-11-28 03:48:24,566 INFO L471 AbstractCegarLoop]: Abstraction has has 321 places, 315 transitions, 775 flow [2024-11-28 03:48:24,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.6666666666667) internal successors, (1115), 3 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:24,567 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:24,568 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:24,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 03:48:24,568 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-11-28 03:48:24,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:24,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1342093124, now seen corresponding path program 1 times [2024-11-28 03:48:24,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:24,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209946216] [2024-11-28 03:48:24,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:24,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:24,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:24,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:24,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209946216] [2024-11-28 03:48:24,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209946216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:24,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:24,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:24,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166549552] [2024-11-28 03:48:24,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:24,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:24,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:24,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:24,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:24,708 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 403 [2024-11-28 03:48:24,709 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 315 transitions, 775 flow. Second operand has 3 states, 3 states have (on average 372.0) internal successors, (1116), 3 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:24,710 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:24,710 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 403 [2024-11-28 03:48:24,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:25,251 INFO L124 PetriNetUnfolderBase]: 284/2762 cut-off events. [2024-11-28 03:48:25,252 INFO L125 PetriNetUnfolderBase]: For 106/115 co-relation queries the response was YES. [2024-11-28 03:48:25,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3967 conditions, 2762 events. 284/2762 cut-off events. For 106/115 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 25507 event pairs, 145 based on Foata normal form. 0/2549 useless extension candidates. Maximal degree in co-relation 3436. Up to 339 conditions per place. [2024-11-28 03:48:25,298 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 28 selfloop transitions, 2 changer transitions 0/317 dead transitions. [2024-11-28 03:48:25,298 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 317 transitions, 842 flow [2024-11-28 03:48:25,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:25,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:25,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1131 transitions. [2024-11-28 03:48:25,301 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9354838709677419 [2024-11-28 03:48:25,301 INFO L175 Difference]: Start difference. First operand has 321 places, 315 transitions, 775 flow. Second operand 3 states and 1131 transitions. [2024-11-28 03:48:25,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 317 transitions, 842 flow [2024-11-28 03:48:25,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 317 transitions, 838 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:48:25,308 INFO L231 Difference]: Finished difference. Result has 320 places, 314 transitions, 773 flow [2024-11-28 03:48:25,309 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=769, PETRI_DIFFERENCE_MINUEND_PLACES=318, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=773, PETRI_PLACES=320, PETRI_TRANSITIONS=314} [2024-11-28 03:48:25,309 INFO L279 CegarLoopForPetriNet]: 380 programPoint places, -60 predicate places. [2024-11-28 03:48:25,309 INFO L471 AbstractCegarLoop]: Abstraction has has 320 places, 314 transitions, 773 flow [2024-11-28 03:48:25,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 372.0) internal successors, (1116), 3 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:25,310 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:25,310 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:25,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 03:48:25,311 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-11-28 03:48:25,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:25,311 INFO L85 PathProgramCache]: Analyzing trace with hash -455555616, now seen corresponding path program 1 times [2024-11-28 03:48:25,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:25,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133868131] [2024-11-28 03:48:25,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:25,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:25,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:25,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:25,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133868131] [2024-11-28 03:48:25,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133868131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:25,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:25,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:25,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126584845] [2024-11-28 03:48:25,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:25,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:25,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:25,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:25,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:25,472 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 403 [2024-11-28 03:48:25,474 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 314 transitions, 773 flow. Second operand has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:25,474 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:25,474 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 403 [2024-11-28 03:48:25,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:25,963 INFO L124 PetriNetUnfolderBase]: 313/2731 cut-off events. [2024-11-28 03:48:25,963 INFO L125 PetriNetUnfolderBase]: For 246/249 co-relation queries the response was YES. [2024-11-28 03:48:25,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3933 conditions, 2731 events. 313/2731 cut-off events. For 246/249 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 24838 event pairs, 169 based on Foata normal form. 0/2521 useless extension candidates. Maximal degree in co-relation 3818. Up to 440 conditions per place. [2024-11-28 03:48:25,997 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 29 selfloop transitions, 2 changer transitions 0/316 dead transitions. [2024-11-28 03:48:25,998 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 316 transitions, 842 flow [2024-11-28 03:48:25,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:25,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:26,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1131 transitions. [2024-11-28 03:48:26,000 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9354838709677419 [2024-11-28 03:48:26,000 INFO L175 Difference]: Start difference. First operand has 320 places, 314 transitions, 773 flow. Second operand 3 states and 1131 transitions. [2024-11-28 03:48:26,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 316 transitions, 842 flow [2024-11-28 03:48:26,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 316 transitions, 838 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:48:26,008 INFO L231 Difference]: Finished difference. Result has 319 places, 313 transitions, 771 flow [2024-11-28 03:48:26,009 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=767, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=771, PETRI_PLACES=319, PETRI_TRANSITIONS=313} [2024-11-28 03:48:26,009 INFO L279 CegarLoopForPetriNet]: 380 programPoint places, -61 predicate places. [2024-11-28 03:48:26,009 INFO L471 AbstractCegarLoop]: Abstraction has has 319 places, 313 transitions, 771 flow [2024-11-28 03:48:26,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:26,010 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:26,010 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:26,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 03:48:26,010 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-11-28 03:48:26,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:26,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1135926034, now seen corresponding path program 1 times [2024-11-28 03:48:26,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:26,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370393056] [2024-11-28 03:48:26,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:26,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:26,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:26,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:26,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370393056] [2024-11-28 03:48:26,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370393056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:26,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:26,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:26,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143961243] [2024-11-28 03:48:26,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:26,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:26,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:26,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:26,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:26,168 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 403 [2024-11-28 03:48:26,170 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 313 transitions, 771 flow. Second operand has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:26,170 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:26,170 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 403 [2024-11-28 03:48:26,170 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:26,998 INFO L124 PetriNetUnfolderBase]: 559/3834 cut-off events. [2024-11-28 03:48:26,998 INFO L125 PetriNetUnfolderBase]: For 384/390 co-relation queries the response was YES. [2024-11-28 03:48:27,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5995 conditions, 3834 events. 559/3834 cut-off events. For 384/390 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 37455 event pairs, 338 based on Foata normal form. 0/3582 useless extension candidates. Maximal degree in co-relation 5597. Up to 892 conditions per place. [2024-11-28 03:48:27,079 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 27 selfloop transitions, 2 changer transitions 0/315 dead transitions. [2024-11-28 03:48:27,079 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 315 transitions, 836 flow [2024-11-28 03:48:27,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:27,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:27,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1133 transitions. [2024-11-28 03:48:27,082 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9371381306865177 [2024-11-28 03:48:27,082 INFO L175 Difference]: Start difference. First operand has 319 places, 313 transitions, 771 flow. Second operand 3 states and 1133 transitions. [2024-11-28 03:48:27,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 315 transitions, 836 flow [2024-11-28 03:48:27,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 315 transitions, 832 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:48:27,090 INFO L231 Difference]: Finished difference. Result has 318 places, 312 transitions, 769 flow [2024-11-28 03:48:27,090 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=765, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=769, PETRI_PLACES=318, PETRI_TRANSITIONS=312} [2024-11-28 03:48:27,091 INFO L279 CegarLoopForPetriNet]: 380 programPoint places, -62 predicate places. [2024-11-28 03:48:27,091 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 312 transitions, 769 flow [2024-11-28 03:48:27,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:27,092 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:27,092 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:27,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 03:48:27,092 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread4Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-11-28 03:48:27,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:27,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1996881016, now seen corresponding path program 1 times [2024-11-28 03:48:27,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:27,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491254180] [2024-11-28 03:48:27,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:27,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:27,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:27,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:27,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491254180] [2024-11-28 03:48:27,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491254180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:27,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:27,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:27,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446927180] [2024-11-28 03:48:27,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:27,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:27,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:27,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:27,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:27,247 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 403 [2024-11-28 03:48:27,249 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 312 transitions, 769 flow. Second operand has 3 states, 3 states have (on average 372.6666666666667) internal successors, (1118), 3 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:27,249 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:27,249 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 403 [2024-11-28 03:48:27,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:27,684 INFO L124 PetriNetUnfolderBase]: 190/2134 cut-off events. [2024-11-28 03:48:27,684 INFO L125 PetriNetUnfolderBase]: For 185/189 co-relation queries the response was YES. [2024-11-28 03:48:27,710 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2967 conditions, 2134 events. 190/2134 cut-off events. For 185/189 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 17839 event pairs, 84 based on Foata normal form. 0/1989 useless extension candidates. Maximal degree in co-relation 2560. Up to 254 conditions per place. [2024-11-28 03:48:27,719 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 27 selfloop transitions, 2 changer transitions 0/314 dead transitions. [2024-11-28 03:48:27,719 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 314 transitions, 834 flow [2024-11-28 03:48:27,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:27,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:27,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1133 transitions. [2024-11-28 03:48:27,722 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9371381306865177 [2024-11-28 03:48:27,722 INFO L175 Difference]: Start difference. First operand has 318 places, 312 transitions, 769 flow. Second operand 3 states and 1133 transitions. [2024-11-28 03:48:27,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 314 transitions, 834 flow [2024-11-28 03:48:27,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 314 transitions, 830 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:48:27,729 INFO L231 Difference]: Finished difference. Result has 317 places, 311 transitions, 767 flow [2024-11-28 03:48:27,730 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=763, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=767, PETRI_PLACES=317, PETRI_TRANSITIONS=311} [2024-11-28 03:48:27,731 INFO L279 CegarLoopForPetriNet]: 380 programPoint places, -63 predicate places. [2024-11-28 03:48:27,731 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 311 transitions, 767 flow [2024-11-28 03:48:27,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 372.6666666666667) internal successors, (1118), 3 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:27,732 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:27,732 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:27,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-28 03:48:27,733 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-11-28 03:48:27,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:27,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1782513613, now seen corresponding path program 1 times [2024-11-28 03:48:27,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:27,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395539448] [2024-11-28 03:48:27,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:27,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:27,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:27,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:27,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395539448] [2024-11-28 03:48:27,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395539448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:27,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:27,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:27,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761847761] [2024-11-28 03:48:27,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:27,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:27,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:27,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:27,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:27,872 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 403 [2024-11-28 03:48:27,873 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 311 transitions, 767 flow. Second operand has 3 states, 3 states have (on average 373.0) internal successors, (1119), 3 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:27,873 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:27,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 403 [2024-11-28 03:48:27,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:28,309 INFO L124 PetriNetUnfolderBase]: 284/2714 cut-off events. [2024-11-28 03:48:28,309 INFO L125 PetriNetUnfolderBase]: For 106/115 co-relation queries the response was YES. [2024-11-28 03:48:28,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3919 conditions, 2714 events. 284/2714 cut-off events. For 106/115 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 24790 event pairs, 145 based on Foata normal form. 0/2549 useless extension candidates. Maximal degree in co-relation 3520. Up to 339 conditions per place. [2024-11-28 03:48:28,339 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 28 selfloop transitions, 2 changer transitions 0/313 dead transitions. [2024-11-28 03:48:28,340 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 313 transitions, 834 flow [2024-11-28 03:48:28,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:28,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:28,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1131 transitions. [2024-11-28 03:48:28,342 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9354838709677419 [2024-11-28 03:48:28,342 INFO L175 Difference]: Start difference. First operand has 317 places, 311 transitions, 767 flow. Second operand 3 states and 1131 transitions. [2024-11-28 03:48:28,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 313 transitions, 834 flow [2024-11-28 03:48:28,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 313 transitions, 830 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:48:28,349 INFO L231 Difference]: Finished difference. Result has 316 places, 310 transitions, 765 flow [2024-11-28 03:48:28,350 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=761, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=765, PETRI_PLACES=316, PETRI_TRANSITIONS=310} [2024-11-28 03:48:28,350 INFO L279 CegarLoopForPetriNet]: 380 programPoint places, -64 predicate places. [2024-11-28 03:48:28,350 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 310 transitions, 765 flow [2024-11-28 03:48:28,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.0) internal successors, (1119), 3 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:28,351 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:28,351 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:28,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 03:48:28,352 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-11-28 03:48:28,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:28,352 INFO L85 PathProgramCache]: Analyzing trace with hash -83596515, now seen corresponding path program 1 times [2024-11-28 03:48:28,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:28,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760574889] [2024-11-28 03:48:28,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:28,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:28,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:28,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:28,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760574889] [2024-11-28 03:48:28,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760574889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:28,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:28,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:28,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950159729] [2024-11-28 03:48:28,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:28,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:28,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:28,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:28,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:28,478 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 403 [2024-11-28 03:48:28,479 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 310 transitions, 765 flow. Second operand has 3 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:28,479 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:28,479 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 403 [2024-11-28 03:48:28,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:28,922 INFO L124 PetriNetUnfolderBase]: 313/2671 cut-off events. [2024-11-28 03:48:28,922 INFO L125 PetriNetUnfolderBase]: For 243/246 co-relation queries the response was YES. [2024-11-28 03:48:28,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3873 conditions, 2671 events. 313/2671 cut-off events. For 243/246 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 23928 event pairs, 169 based on Foata normal form. 0/2509 useless extension candidates. Maximal degree in co-relation 3794. Up to 440 conditions per place. [2024-11-28 03:48:28,965 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 29 selfloop transitions, 2 changer transitions 0/312 dead transitions. [2024-11-28 03:48:28,965 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 312 transitions, 834 flow [2024-11-28 03:48:28,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:28,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:28,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1131 transitions. [2024-11-28 03:48:28,967 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9354838709677419 [2024-11-28 03:48:28,967 INFO L175 Difference]: Start difference. First operand has 316 places, 310 transitions, 765 flow. Second operand 3 states and 1131 transitions. [2024-11-28 03:48:28,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 312 transitions, 834 flow [2024-11-28 03:48:28,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 312 transitions, 830 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:48:28,974 INFO L231 Difference]: Finished difference. Result has 315 places, 309 transitions, 763 flow [2024-11-28 03:48:28,974 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=759, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=763, PETRI_PLACES=315, PETRI_TRANSITIONS=309} [2024-11-28 03:48:28,975 INFO L279 CegarLoopForPetriNet]: 380 programPoint places, -65 predicate places. [2024-11-28 03:48:28,975 INFO L471 AbstractCegarLoop]: Abstraction has has 315 places, 309 transitions, 763 flow [2024-11-28 03:48:28,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:28,976 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:28,976 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:28,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 03:48:28,976 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-11-28 03:48:28,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:28,977 INFO L85 PathProgramCache]: Analyzing trace with hash -915659269, now seen corresponding path program 1 times [2024-11-28 03:48:28,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:28,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917869886] [2024-11-28 03:48:28,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:28,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:29,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:29,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:29,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917869886] [2024-11-28 03:48:29,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917869886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:29,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:29,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:29,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563886703] [2024-11-28 03:48:29,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:29,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:29,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:29,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:29,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:29,101 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 403 [2024-11-28 03:48:29,102 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 309 transitions, 763 flow. Second operand has 3 states, 3 states have (on average 374.3333333333333) internal successors, (1123), 3 states have internal predecessors, (1123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:29,102 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:29,102 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 403 [2024-11-28 03:48:29,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:29,843 INFO L124 PetriNetUnfolderBase]: 571/3895 cut-off events. [2024-11-28 03:48:29,843 INFO L125 PetriNetUnfolderBase]: For 384/390 co-relation queries the response was YES. [2024-11-28 03:48:29,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6092 conditions, 3895 events. 571/3895 cut-off events. For 384/390 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 37579 event pairs, 338 based on Foata normal form. 0/3703 useless extension candidates. Maximal degree in co-relation 5808. Up to 892 conditions per place. [2024-11-28 03:48:29,882 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 27 selfloop transitions, 2 changer transitions 0/311 dead transitions. [2024-11-28 03:48:29,882 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 311 transitions, 828 flow [2024-11-28 03:48:29,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:29,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:29,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1133 transitions. [2024-11-28 03:48:29,885 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9371381306865177 [2024-11-28 03:48:29,885 INFO L175 Difference]: Start difference. First operand has 315 places, 309 transitions, 763 flow. Second operand 3 states and 1133 transitions. [2024-11-28 03:48:29,885 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 311 transitions, 828 flow [2024-11-28 03:48:29,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 311 transitions, 824 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:48:29,892 INFO L231 Difference]: Finished difference. Result has 314 places, 308 transitions, 761 flow [2024-11-28 03:48:29,893 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=757, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=761, PETRI_PLACES=314, PETRI_TRANSITIONS=308} [2024-11-28 03:48:29,893 INFO L279 CegarLoopForPetriNet]: 380 programPoint places, -66 predicate places. [2024-11-28 03:48:29,894 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 308 transitions, 761 flow [2024-11-28 03:48:29,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 374.3333333333333) internal successors, (1123), 3 states have internal predecessors, (1123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:29,894 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:29,894 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:29,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 03:48:29,895 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread4Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-11-28 03:48:29,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:29,896 INFO L85 PathProgramCache]: Analyzing trace with hash -41811519, now seen corresponding path program 1 times [2024-11-28 03:48:29,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:29,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990901308] [2024-11-28 03:48:29,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:29,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:29,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:29,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:29,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990901308] [2024-11-28 03:48:29,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990901308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:29,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:29,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:29,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668259470] [2024-11-28 03:48:29,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:29,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:29,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:29,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:29,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:30,065 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 403 [2024-11-28 03:48:30,066 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 308 transitions, 761 flow. Second operand has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:30,066 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:30,067 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 403 [2024-11-28 03:48:30,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:30,471 INFO L124 PetriNetUnfolderBase]: 190/2090 cut-off events. [2024-11-28 03:48:30,472 INFO L125 PetriNetUnfolderBase]: For 184/188 co-relation queries the response was YES. [2024-11-28 03:48:30,486 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2923 conditions, 2090 events. 190/2090 cut-off events. For 184/188 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 17331 event pairs, 84 based on Foata normal form. 0/1983 useless extension candidates. Maximal degree in co-relation 2720. Up to 254 conditions per place. [2024-11-28 03:48:30,491 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 27 selfloop transitions, 2 changer transitions 0/310 dead transitions. [2024-11-28 03:48:30,491 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 310 transitions, 826 flow [2024-11-28 03:48:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:30,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:30,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1133 transitions. [2024-11-28 03:48:30,493 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9371381306865177 [2024-11-28 03:48:30,493 INFO L175 Difference]: Start difference. First operand has 314 places, 308 transitions, 761 flow. Second operand 3 states and 1133 transitions. [2024-11-28 03:48:30,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 310 transitions, 826 flow [2024-11-28 03:48:30,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 310 transitions, 822 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:48:30,501 INFO L231 Difference]: Finished difference. Result has 313 places, 307 transitions, 759 flow [2024-11-28 03:48:30,501 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=755, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=759, PETRI_PLACES=313, PETRI_TRANSITIONS=307} [2024-11-28 03:48:30,502 INFO L279 CegarLoopForPetriNet]: 380 programPoint places, -67 predicate places. [2024-11-28 03:48:30,502 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 307 transitions, 759 flow [2024-11-28 03:48:30,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:30,502 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:30,503 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:30,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-28 03:48:30,503 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread3Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-11-28 03:48:30,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:30,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1839639412, now seen corresponding path program 1 times [2024-11-28 03:48:30,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:30,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103743463] [2024-11-28 03:48:30,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:30,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:30,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:30,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:30,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103743463] [2024-11-28 03:48:30,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103743463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:30,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:30,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:30,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876685936] [2024-11-28 03:48:30,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:30,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:30,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:30,556 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:30,557 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:30,649 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 403 [2024-11-28 03:48:30,650 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 307 transitions, 759 flow. Second operand has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:30,650 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:30,650 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 403 [2024-11-28 03:48:30,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:31,209 INFO L124 PetriNetUnfolderBase]: 313/2614 cut-off events. [2024-11-28 03:48:31,210 INFO L125 PetriNetUnfolderBase]: For 245/248 co-relation queries the response was YES. [2024-11-28 03:48:31,289 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3826 conditions, 2614 events. 313/2614 cut-off events. For 245/248 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 23192 event pairs, 169 based on Foata normal form. 0/2497 useless extension candidates. Maximal degree in co-relation 3616. Up to 440 conditions per place. [2024-11-28 03:48:31,294 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 29 selfloop transitions, 2 changer transitions 0/309 dead transitions. [2024-11-28 03:48:31,295 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 309 transitions, 828 flow [2024-11-28 03:48:31,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:31,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:31,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1131 transitions. [2024-11-28 03:48:31,297 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9354838709677419 [2024-11-28 03:48:31,297 INFO L175 Difference]: Start difference. First operand has 313 places, 307 transitions, 759 flow. Second operand 3 states and 1131 transitions. [2024-11-28 03:48:31,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 309 transitions, 828 flow [2024-11-28 03:48:31,299 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 309 transitions, 824 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:48:31,301 INFO L231 Difference]: Finished difference. Result has 312 places, 306 transitions, 757 flow [2024-11-28 03:48:31,302 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=753, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=757, PETRI_PLACES=312, PETRI_TRANSITIONS=306} [2024-11-28 03:48:31,302 INFO L279 CegarLoopForPetriNet]: 380 programPoint places, -68 predicate places. [2024-11-28 03:48:31,302 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 306 transitions, 757 flow [2024-11-28 03:48:31,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:31,303 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:48:31,303 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:48:31,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-28 03:48:31,303 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread4Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 127 more)] === [2024-11-28 03:48:31,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:48:31,304 INFO L85 PathProgramCache]: Analyzing trace with hash 2086918308, now seen corresponding path program 1 times [2024-11-28 03:48:31,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:48:31,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393708638] [2024-11-28 03:48:31,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:48:31,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:48:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:48:31,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:48:31,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:48:31,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393708638] [2024-11-28 03:48:31,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393708638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:48:31,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:48:31,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:48:31,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856729356] [2024-11-28 03:48:31,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:48:31,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:48:31,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:48:31,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:48:31,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:48:31,443 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 403 [2024-11-28 03:48:31,445 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 306 transitions, 757 flow. Second operand has 3 states, 3 states have (on average 374.6666666666667) internal successors, (1124), 3 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:31,445 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:48:31,445 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 403 [2024-11-28 03:48:31,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:48:31,865 INFO L124 PetriNetUnfolderBase]: 190/2066 cut-off events. [2024-11-28 03:48:31,865 INFO L125 PetriNetUnfolderBase]: For 175/179 co-relation queries the response was YES. [2024-11-28 03:48:31,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2881 conditions, 2066 events. 190/2066 cut-off events. For 175/179 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 17080 event pairs, 84 based on Foata normal form. 0/1977 useless extension candidates. Maximal degree in co-relation 2769. Up to 254 conditions per place. [2024-11-28 03:48:31,880 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 0 selfloop transitions, 0 changer transitions 308/308 dead transitions. [2024-11-28 03:48:31,880 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 308 transitions, 822 flow [2024-11-28 03:48:31,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:48:31,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:48:31,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1133 transitions. [2024-11-28 03:48:31,883 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9371381306865177 [2024-11-28 03:48:31,883 INFO L175 Difference]: Start difference. First operand has 312 places, 306 transitions, 757 flow. Second operand 3 states and 1133 transitions. [2024-11-28 03:48:31,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 308 transitions, 822 flow [2024-11-28 03:48:31,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 308 transitions, 818 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:48:31,887 INFO L231 Difference]: Finished difference. Result has 311 places, 0 transitions, 0 flow [2024-11-28 03:48:31,887 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=751, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=311, PETRI_TRANSITIONS=0} [2024-11-28 03:48:31,887 INFO L279 CegarLoopForPetriNet]: 380 programPoint places, -69 predicate places. [2024-11-28 03:48:31,887 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 0 transitions, 0 flow [2024-11-28 03:48:31,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 374.6666666666667) internal successors, (1124), 3 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:48:31,890 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (130 of 131 remaining) [2024-11-28 03:48:31,891 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (129 of 131 remaining) [2024-11-28 03:48:31,891 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (128 of 131 remaining) [2024-11-28 03:48:31,891 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (127 of 131 remaining) [2024-11-28 03:48:31,891 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (126 of 131 remaining) [2024-11-28 03:48:31,891 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (125 of 131 remaining) [2024-11-28 03:48:31,891 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (124 of 131 remaining) [2024-11-28 03:48:31,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (123 of 131 remaining) [2024-11-28 03:48:31,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (122 of 131 remaining) [2024-11-28 03:48:31,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (121 of 131 remaining) [2024-11-28 03:48:31,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (120 of 131 remaining) [2024-11-28 03:48:31,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (119 of 131 remaining) [2024-11-28 03:48:31,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (118 of 131 remaining) [2024-11-28 03:48:31,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (117 of 131 remaining) [2024-11-28 03:48:31,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (116 of 131 remaining) [2024-11-28 03:48:31,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (115 of 131 remaining) [2024-11-28 03:48:31,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (114 of 131 remaining) [2024-11-28 03:48:31,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (113 of 131 remaining) [2024-11-28 03:48:31,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (112 of 131 remaining) [2024-11-28 03:48:31,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (111 of 131 remaining) [2024-11-28 03:48:31,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (110 of 131 remaining) [2024-11-28 03:48:31,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (109 of 131 remaining) [2024-11-28 03:48:31,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (108 of 131 remaining) [2024-11-28 03:48:31,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (107 of 131 remaining) [2024-11-28 03:48:31,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (106 of 131 remaining) [2024-11-28 03:48:31,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (105 of 131 remaining) [2024-11-28 03:48:31,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (104 of 131 remaining) [2024-11-28 03:48:31,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (103 of 131 remaining) [2024-11-28 03:48:31,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (102 of 131 remaining) [2024-11-28 03:48:31,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (101 of 131 remaining) [2024-11-28 03:48:31,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (100 of 131 remaining) [2024-11-28 03:48:31,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (99 of 131 remaining) [2024-11-28 03:48:31,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (98 of 131 remaining) [2024-11-28 03:48:31,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (97 of 131 remaining) [2024-11-28 03:48:31,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (96 of 131 remaining) [2024-11-28 03:48:31,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (95 of 131 remaining) [2024-11-28 03:48:31,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (94 of 131 remaining) [2024-11-28 03:48:31,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (93 of 131 remaining) [2024-11-28 03:48:31,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (92 of 131 remaining) [2024-11-28 03:48:31,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (91 of 131 remaining) [2024-11-28 03:48:31,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (90 of 131 remaining) [2024-11-28 03:48:31,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (89 of 131 remaining) [2024-11-28 03:48:31,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (88 of 131 remaining) [2024-11-28 03:48:31,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (87 of 131 remaining) [2024-11-28 03:48:31,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (86 of 131 remaining) [2024-11-28 03:48:31,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (85 of 131 remaining) [2024-11-28 03:48:31,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (84 of 131 remaining) [2024-11-28 03:48:31,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (83 of 131 remaining) [2024-11-28 03:48:31,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (82 of 131 remaining) [2024-11-28 03:48:31,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (81 of 131 remaining) [2024-11-28 03:48:31,896 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (80 of 131 remaining) [2024-11-28 03:48:31,896 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (79 of 131 remaining) [2024-11-28 03:48:31,896 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (78 of 131 remaining) [2024-11-28 03:48:31,896 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (77 of 131 remaining) [2024-11-28 03:48:31,896 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (76 of 131 remaining) [2024-11-28 03:48:31,896 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (75 of 131 remaining) [2024-11-28 03:48:31,896 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (74 of 131 remaining) [2024-11-28 03:48:31,896 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (73 of 131 remaining) [2024-11-28 03:48:31,896 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (72 of 131 remaining) [2024-11-28 03:48:31,897 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (71 of 131 remaining) [2024-11-28 03:48:31,897 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (70 of 131 remaining) [2024-11-28 03:48:31,897 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (69 of 131 remaining) [2024-11-28 03:48:31,897 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (68 of 131 remaining) [2024-11-28 03:48:31,897 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (67 of 131 remaining) [2024-11-28 03:48:31,897 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (66 of 131 remaining) [2024-11-28 03:48:31,897 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (65 of 131 remaining) [2024-11-28 03:48:31,897 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (64 of 131 remaining) [2024-11-28 03:48:31,897 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (63 of 131 remaining) [2024-11-28 03:48:31,898 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (62 of 131 remaining) [2024-11-28 03:48:31,898 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (61 of 131 remaining) [2024-11-28 03:48:31,898 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (60 of 131 remaining) [2024-11-28 03:48:31,898 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (59 of 131 remaining) [2024-11-28 03:48:31,898 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (58 of 131 remaining) [2024-11-28 03:48:31,898 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (57 of 131 remaining) [2024-11-28 03:48:31,898 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (56 of 131 remaining) [2024-11-28 03:48:31,898 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (55 of 131 remaining) [2024-11-28 03:48:31,898 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (54 of 131 remaining) [2024-11-28 03:48:31,898 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (53 of 131 remaining) [2024-11-28 03:48:31,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (52 of 131 remaining) [2024-11-28 03:48:31,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (51 of 131 remaining) [2024-11-28 03:48:31,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (50 of 131 remaining) [2024-11-28 03:48:31,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (49 of 131 remaining) [2024-11-28 03:48:31,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (48 of 131 remaining) [2024-11-28 03:48:31,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (47 of 131 remaining) [2024-11-28 03:48:31,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (46 of 131 remaining) [2024-11-28 03:48:31,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (45 of 131 remaining) [2024-11-28 03:48:31,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (44 of 131 remaining) [2024-11-28 03:48:31,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (43 of 131 remaining) [2024-11-28 03:48:31,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (42 of 131 remaining) [2024-11-28 03:48:31,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (41 of 131 remaining) [2024-11-28 03:48:31,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (40 of 131 remaining) [2024-11-28 03:48:31,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (39 of 131 remaining) [2024-11-28 03:48:31,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (38 of 131 remaining) [2024-11-28 03:48:31,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (37 of 131 remaining) [2024-11-28 03:48:31,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (36 of 131 remaining) [2024-11-28 03:48:31,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (35 of 131 remaining) [2024-11-28 03:48:31,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (34 of 131 remaining) [2024-11-28 03:48:31,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (33 of 131 remaining) [2024-11-28 03:48:31,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (32 of 131 remaining) [2024-11-28 03:48:31,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (31 of 131 remaining) [2024-11-28 03:48:31,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (30 of 131 remaining) [2024-11-28 03:48:31,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (29 of 131 remaining) [2024-11-28 03:48:31,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (28 of 131 remaining) [2024-11-28 03:48:31,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (27 of 131 remaining) [2024-11-28 03:48:31,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (26 of 131 remaining) [2024-11-28 03:48:31,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (25 of 131 remaining) [2024-11-28 03:48:31,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (24 of 131 remaining) [2024-11-28 03:48:31,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (23 of 131 remaining) [2024-11-28 03:48:31,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (22 of 131 remaining) [2024-11-28 03:48:31,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (21 of 131 remaining) [2024-11-28 03:48:31,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (20 of 131 remaining) [2024-11-28 03:48:31,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (19 of 131 remaining) [2024-11-28 03:48:31,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (18 of 131 remaining) [2024-11-28 03:48:31,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (17 of 131 remaining) [2024-11-28 03:48:31,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (16 of 131 remaining) [2024-11-28 03:48:31,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (15 of 131 remaining) [2024-11-28 03:48:31,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (14 of 131 remaining) [2024-11-28 03:48:31,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (13 of 131 remaining) [2024-11-28 03:48:31,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (12 of 131 remaining) [2024-11-28 03:48:31,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (11 of 131 remaining) [2024-11-28 03:48:31,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (10 of 131 remaining) [2024-11-28 03:48:31,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (9 of 131 remaining) [2024-11-28 03:48:31,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (8 of 131 remaining) [2024-11-28 03:48:31,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (7 of 131 remaining) [2024-11-28 03:48:31,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (6 of 131 remaining) [2024-11-28 03:48:31,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (5 of 131 remaining) [2024-11-28 03:48:31,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (4 of 131 remaining) [2024-11-28 03:48:31,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (3 of 131 remaining) [2024-11-28 03:48:31,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (2 of 131 remaining) [2024-11-28 03:48:31,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (1 of 131 remaining) [2024-11-28 03:48:31,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (0 of 131 remaining) [2024-11-28 03:48:31,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-28 03:48:31,904 INFO L422 BasicCegarLoop]: Path program 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] [2024-11-28 03:48:31,910 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 03:48:31,910 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:48:31,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:48:31 BasicIcfg [2024-11-28 03:48:31,916 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:48:31,917 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:48:31,917 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:48:31,917 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:48:31,918 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:48:11" (3/4) ... [2024-11-28 03:48:31,919 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:48:31,923 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 03:48:31,923 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 03:48:31,923 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-28 03:48:31,923 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-28 03:48:31,928 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-28 03:48:31,928 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 03:48:31,928 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 03:48:31,929 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:48:32,013 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96af8ac6-0297-43c8-a285-aea719d3ec89/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:48:32,014 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96af8ac6-0297-43c8-a285-aea719d3ec89/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:48:32,014 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:48:32,016 INFO L158 Benchmark]: Toolchain (without parser) took 21621.11ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 973.1MB). Free memory was 119.7MB in the beginning and 817.0MB in the end (delta: -697.3MB). Peak memory consumption was 269.0MB. Max. memory is 16.1GB. [2024-11-28 03:48:32,016 INFO L158 Benchmark]: CDTParser took 3.10ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:48:32,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.31ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 107.0MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:48:32,017 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.40ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 105.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:48:32,018 INFO L158 Benchmark]: Boogie Preprocessor took 30.10ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:48:32,019 INFO L158 Benchmark]: RCFGBuilder took 929.48ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 78.2MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:48:32,020 INFO L158 Benchmark]: TraceAbstraction took 20195.57ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 973.1MB). Free memory was 77.8MB in the beginning and 825.4MB in the end (delta: -747.7MB). Peak memory consumption was 218.7MB. Max. memory is 16.1GB. [2024-11-28 03:48:32,021 INFO L158 Benchmark]: Witness Printer took 97.61ms. Allocated memory is still 1.1GB. Free memory was 825.4MB in the beginning and 817.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:48:32,023 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.10ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.31ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 107.0MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.40ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 105.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.10ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 929.48ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 78.2MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 20195.57ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 973.1MB). Free memory was 77.8MB in the beginning and 825.4MB in the end (delta: -747.7MB). Peak memory consumption was 218.7MB. Max. memory is 16.1GB. * Witness Printer took 97.61ms. Allocated memory is still 1.1GB. Free memory was 825.4MB in the beginning and 817.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: 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: 50]: 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: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: 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: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: 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 9 procedures, 630 locations, 131 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: 19.9s, OverallIterations: 27, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 17.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2566 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 824 mSDsluCounter, 544 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 166 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2581 IncrementalHoareTripleChecker+Invalid, 2747 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 166 mSolverCounterUnsat, 536 mSDtfsCounter, 2581 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=785occurred in iteration=12, InterpolantAutomatonStates: 83, 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, 1.3s InterpolantComputationTime, 2347 NumberOfCodeBlocks, 2347 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 2320 ConstructedInterpolants, 0 QuantifiedInterpolants, 2374 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 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 71 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 03:48:32,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96af8ac6-0297-43c8-a285-aea719d3ec89/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