./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-2.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_96938ac5-7687-4a32-abf5-5ea7defe9ff1/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96938ac5-7687-4a32-abf5-5ea7defe9ff1/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_96938ac5-7687-4a32-abf5-5ea7defe9ff1/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96938ac5-7687-4a32-abf5-5ea7defe9ff1/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96938ac5-7687-4a32-abf5-5ea7defe9ff1/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_96938ac5-7687-4a32-abf5-5ea7defe9ff1/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 c558e00c0dd9b5f4cf40cba6e03e276a996696c71c282947f4c8d13390dc25bf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:27:49,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:27:49,361 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96938ac5-7687-4a32-abf5-5ea7defe9ff1/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 03:27:49,373 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:27:49,373 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:27:49,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:27:49,407 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:27:49,407 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:27:49,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:27:49,408 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:27:49,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:27:49,408 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:27:49,408 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:27:49,409 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:27:49,409 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:27:49,409 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:27:49,409 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:27:49,409 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:27:49,409 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:27:49,409 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:27:49,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:27:49,410 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:27:49,410 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 03:27:49,410 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:27:49,410 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:27:49,410 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:27:49,410 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:27:49,410 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:27:49,411 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:27:49,411 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:27:49,411 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:27:49,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:27:49,411 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:27:49,411 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:27:49,412 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:27:49,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:27:49,412 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:27:49,412 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:27:49,412 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:27:49,412 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:27:49,412 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:27:49,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:27:49,413 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:27:49,413 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:27:49,413 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:27:49,413 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:27:49,413 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_96938ac5-7687-4a32-abf5-5ea7defe9ff1/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 -> c558e00c0dd9b5f4cf40cba6e03e276a996696c71c282947f4c8d13390dc25bf [2024-11-28 03:27:49,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:27:49,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:27:49,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:27:49,714 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:27:49,715 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:27:49,716 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96938ac5-7687-4a32-abf5-5ea7defe9ff1/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/parallel-misc-2.wvr.c [2024-11-28 03:27:52,760 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96938ac5-7687-4a32-abf5-5ea7defe9ff1/bin/uautomizer-verify-aQ6SnzHsRB/data/dbfeb0f16/f8d195228b1c4021b3bff38088026be5/FLAG7d1395cf1 [2024-11-28 03:27:53,034 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:27:53,035 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96938ac5-7687-4a32-abf5-5ea7defe9ff1/sv-benchmarks/c/weaver/parallel-misc-2.wvr.c [2024-11-28 03:27:53,042 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96938ac5-7687-4a32-abf5-5ea7defe9ff1/bin/uautomizer-verify-aQ6SnzHsRB/data/dbfeb0f16/f8d195228b1c4021b3bff38088026be5/FLAG7d1395cf1 [2024-11-28 03:27:53,063 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96938ac5-7687-4a32-abf5-5ea7defe9ff1/bin/uautomizer-verify-aQ6SnzHsRB/data/dbfeb0f16/f8d195228b1c4021b3bff38088026be5 [2024-11-28 03:27:53,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:27:53,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:27:53,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:27:53,070 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:27:53,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:27:53,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:27:53" (1/1) ... [2024-11-28 03:27:53,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10e0a73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:53, skipping insertion in model container [2024-11-28 03:27:53,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:27:53" (1/1) ... [2024-11-28 03:27:53,096 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:27:53,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:27:53,288 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:27:53,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:27:53,321 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:27:53,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:53 WrapperNode [2024-11-28 03:27:53,321 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:27:53,322 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:27:53,322 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:27:53,322 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:27:53,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:53" (1/1) ... [2024-11-28 03:27:53,333 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:53" (1/1) ... [2024-11-28 03:27:53,348 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 92 [2024-11-28 03:27:53,348 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:27:53,349 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:27:53,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:27:53,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:27:53,357 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:53" (1/1) ... [2024-11-28 03:27:53,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:53" (1/1) ... [2024-11-28 03:27:53,359 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:53" (1/1) ... [2024-11-28 03:27:53,360 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:53" (1/1) ... [2024-11-28 03:27:53,366 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:53" (1/1) ... [2024-11-28 03:27:53,367 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:53" (1/1) ... [2024-11-28 03:27:53,371 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:53" (1/1) ... [2024-11-28 03:27:53,373 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:53" (1/1) ... [2024-11-28 03:27:53,374 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:53" (1/1) ... [2024-11-28 03:27:53,376 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:27:53,377 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:27:53,377 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:27:53,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:27:53,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:53" (1/1) ... [2024-11-28 03:27:53,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:27:53,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96938ac5-7687-4a32-abf5-5ea7defe9ff1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:27:53,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96938ac5-7687-4a32-abf5-5ea7defe9ff1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:27:53,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96938ac5-7687-4a32-abf5-5ea7defe9ff1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:27:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:27:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 03:27:53,449 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 03:27:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 03:27:53,449 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 03:27:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 03:27:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:27:53,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:27:53,451 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 03:27:53,577 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:27:53,579 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:27:53,914 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:27:53,914 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:27:53,936 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:27:53,936 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:27:53,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:27:53 BoogieIcfgContainer [2024-11-28 03:27:53,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:27:53,940 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:27:53,940 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:27:53,945 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:27:53,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:27:53" (1/3) ... [2024-11-28 03:27:53,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bb39841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:27:53, skipping insertion in model container [2024-11-28 03:27:53,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:53" (2/3) ... [2024-11-28 03:27:53,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bb39841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:27:53, skipping insertion in model container [2024-11-28 03:27:53,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:27:53" (3/3) ... [2024-11-28 03:27:53,948 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-misc-2.wvr.c [2024-11-28 03:27:53,965 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:27:53,967 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-misc-2.wvr.c that has 3 procedures, 184 locations, 1 initial locations, 2 loop locations, and 21 error locations. [2024-11-28 03:27:53,967 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:27:54,083 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 03:27:54,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 190 places, 192 transitions, 398 flow [2024-11-28 03:27:54,256 INFO L124 PetriNetUnfolderBase]: 9/190 cut-off events. [2024-11-28 03:27:54,258 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 03:27:54,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 190 events. 9/190 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 271 event pairs, 0 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 132. Up to 2 conditions per place. [2024-11-28 03:27:54,266 INFO L82 GeneralOperation]: Start removeDead. Operand has 190 places, 192 transitions, 398 flow [2024-11-28 03:27:54,271 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 172 places, 173 transitions, 355 flow [2024-11-28 03:27:54,279 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:27:54,298 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;@4e8c5d5c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:27:54,298 INFO L334 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2024-11-28 03:27:54,309 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:27:54,310 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-11-28 03:27:54,310 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:27:54,312 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:27:54,316 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] [2024-11-28 03:27:54,317 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-28 03:27:54,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:54,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1149660300, now seen corresponding path program 1 times [2024-11-28 03:27:54,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:27:54,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488634392] [2024-11-28 03:27:54,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:54,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:27:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:54,568 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 03:27:54,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:27:54,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488634392] [2024-11-28 03:27:54,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488634392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:54,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:54,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:27:54,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106165538] [2024-11-28 03:27:54,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:54,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:27:54,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:27:54,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:27:54,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:54,692 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 192 [2024-11-28 03:27:54,698 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 173 transitions, 355 flow. Second operand has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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 03:27:54,698 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:27:54,698 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 192 [2024-11-28 03:27:54,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:27:54,828 INFO L124 PetriNetUnfolderBase]: 12/214 cut-off events. [2024-11-28 03:27:54,829 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-28 03:27:54,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 258 conditions, 214 events. 12/214 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 448 event pairs, 5 based on Foata normal form. 8/186 useless extension candidates. Maximal degree in co-relation 160. Up to 24 conditions per place. [2024-11-28 03:27:54,835 INFO L140 encePairwiseOnDemand]: 186/192 looper letters, 12 selfloop transitions, 2 changer transitions 1/169 dead transitions. [2024-11-28 03:27:54,835 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 169 transitions, 375 flow [2024-11-28 03:27:54,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:27:54,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:27:54,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 528 transitions. [2024-11-28 03:27:54,854 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9166666666666666 [2024-11-28 03:27:54,857 INFO L175 Difference]: Start difference. First operand has 172 places, 173 transitions, 355 flow. Second operand 3 states and 528 transitions. [2024-11-28 03:27:54,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 169 transitions, 375 flow [2024-11-28 03:27:54,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 169 transitions, 370 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-28 03:27:54,870 INFO L231 Difference]: Finished difference. Result has 170 places, 168 transitions, 344 flow [2024-11-28 03:27:54,874 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=170, PETRI_TRANSITIONS=168} [2024-11-28 03:27:54,880 INFO L279 CegarLoopForPetriNet]: 172 programPoint places, -2 predicate places. [2024-11-28 03:27:54,881 INFO L471 AbstractCegarLoop]: Abstraction has has 170 places, 168 transitions, 344 flow [2024-11-28 03:27:54,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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 03:27:54,883 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:27:54,883 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] [2024-11-28 03:27:54,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:27:54,884 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-28 03:27:54,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:54,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1056330807, now seen corresponding path program 1 times [2024-11-28 03:27:54,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:27:54,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984728933] [2024-11-28 03:27:54,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:54,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:27:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:54,970 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 03:27:54,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:27:54,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984728933] [2024-11-28 03:27:54,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984728933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:54,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:54,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:27:54,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244952989] [2024-11-28 03:27:54,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:54,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:27:54,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:27:54,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:27:54,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:55,020 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 192 [2024-11-28 03:27:55,021 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 168 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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 03:27:55,021 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:27:55,021 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 192 [2024-11-28 03:27:55,021 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:27:55,129 INFO L124 PetriNetUnfolderBase]: 22/298 cut-off events. [2024-11-28 03:27:55,129 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-28 03:27:55,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 347 conditions, 298 events. 22/298 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1007 event pairs, 11 based on Foata normal form. 0/243 useless extension candidates. Maximal degree in co-relation 315. Up to 36 conditions per place. [2024-11-28 03:27:55,135 INFO L140 encePairwiseOnDemand]: 189/192 looper letters, 12 selfloop transitions, 2 changer transitions 0/167 dead transitions. [2024-11-28 03:27:55,135 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 167 transitions, 370 flow [2024-11-28 03:27:55,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:27:55,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:27:55,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 525 transitions. [2024-11-28 03:27:55,143 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9114583333333334 [2024-11-28 03:27:55,143 INFO L175 Difference]: Start difference. First operand has 170 places, 168 transitions, 344 flow. Second operand 3 states and 525 transitions. [2024-11-28 03:27:55,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 167 transitions, 370 flow [2024-11-28 03:27:55,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 167 transitions, 366 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:27:55,147 INFO L231 Difference]: Finished difference. Result has 168 places, 167 transitions, 342 flow [2024-11-28 03:27:55,147 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=342, PETRI_PLACES=168, PETRI_TRANSITIONS=167} [2024-11-28 03:27:55,148 INFO L279 CegarLoopForPetriNet]: 172 programPoint places, -4 predicate places. [2024-11-28 03:27:55,149 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 167 transitions, 342 flow [2024-11-28 03:27:55,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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 03:27:55,150 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:27:55,151 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] [2024-11-28 03:27:55,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:27:55,151 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-28 03:27:55,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:55,152 INFO L85 PathProgramCache]: Analyzing trace with hash -2097379152, now seen corresponding path program 1 times [2024-11-28 03:27:55,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:27:55,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434678675] [2024-11-28 03:27:55,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:55,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:27:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:55,222 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 03:27:55,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:27:55,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434678675] [2024-11-28 03:27:55,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434678675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:55,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:55,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:27:55,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747998992] [2024-11-28 03:27:55,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:55,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:27:55,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:27:55,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:27:55,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:55,249 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 192 [2024-11-28 03:27:55,250 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 167 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 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 03:27:55,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:27:55,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 192 [2024-11-28 03:27:55,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:27:55,304 INFO L124 PetriNetUnfolderBase]: 16/254 cut-off events. [2024-11-28 03:27:55,305 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 03:27:55,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 254 events. 16/254 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 660 event pairs, 7 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 257. Up to 27 conditions per place. [2024-11-28 03:27:55,308 INFO L140 encePairwiseOnDemand]: 189/192 looper letters, 10 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2024-11-28 03:27:55,308 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 166 transitions, 364 flow [2024-11-28 03:27:55,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:27:55,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:27:55,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 529 transitions. [2024-11-28 03:27:55,310 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9184027777777778 [2024-11-28 03:27:55,310 INFO L175 Difference]: Start difference. First operand has 168 places, 167 transitions, 342 flow. Second operand 3 states and 529 transitions. [2024-11-28 03:27:55,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 166 transitions, 364 flow [2024-11-28 03:27:55,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 166 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:27:55,315 INFO L231 Difference]: Finished difference. Result has 167 places, 166 transitions, 340 flow [2024-11-28 03:27:55,316 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=340, PETRI_PLACES=167, PETRI_TRANSITIONS=166} [2024-11-28 03:27:55,316 INFO L279 CegarLoopForPetriNet]: 172 programPoint places, -5 predicate places. [2024-11-28 03:27:55,317 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 166 transitions, 340 flow [2024-11-28 03:27:55,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 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 03:27:55,317 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:27:55,318 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:55,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:27:55,318 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-28 03:27:55,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:55,319 INFO L85 PathProgramCache]: Analyzing trace with hash -730082184, now seen corresponding path program 1 times [2024-11-28 03:27:55,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:27:55,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107191640] [2024-11-28 03:27:55,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:55,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:27:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:55,372 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 03:27:55,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:27:55,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107191640] [2024-11-28 03:27:55,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107191640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:55,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:55,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:27:55,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927930359] [2024-11-28 03:27:55,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:55,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:27:55,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:27:55,374 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:27:55,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:55,462 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 192 [2024-11-28 03:27:55,463 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 166 transitions, 340 flow. Second operand has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 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 03:27:55,463 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:27:55,463 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 192 [2024-11-28 03:27:55,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:27:55,535 INFO L124 PetriNetUnfolderBase]: 20/375 cut-off events. [2024-11-28 03:27:55,535 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 03:27:55,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 416 conditions, 375 events. 20/375 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1417 event pairs, 5 based on Foata normal form. 0/308 useless extension candidates. Maximal degree in co-relation 370. Up to 22 conditions per place. [2024-11-28 03:27:55,538 INFO L140 encePairwiseOnDemand]: 189/192 looper letters, 11 selfloop transitions, 2 changer transitions 0/165 dead transitions. [2024-11-28 03:27:55,538 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 165 transitions, 364 flow [2024-11-28 03:27:55,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:27:55,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:27:55,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 527 transitions. [2024-11-28 03:27:55,541 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9149305555555556 [2024-11-28 03:27:55,541 INFO L175 Difference]: Start difference. First operand has 167 places, 166 transitions, 340 flow. Second operand 3 states and 527 transitions. [2024-11-28 03:27:55,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 165 transitions, 364 flow [2024-11-28 03:27:55,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 165 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:27:55,545 INFO L231 Difference]: Finished difference. Result has 166 places, 165 transitions, 338 flow [2024-11-28 03:27:55,545 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=338, PETRI_PLACES=166, PETRI_TRANSITIONS=165} [2024-11-28 03:27:55,546 INFO L279 CegarLoopForPetriNet]: 172 programPoint places, -6 predicate places. [2024-11-28 03:27:55,546 INFO L471 AbstractCegarLoop]: Abstraction has has 166 places, 165 transitions, 338 flow [2024-11-28 03:27:55,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 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 03:27:55,547 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:27:55,547 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 03:27:55,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:27:55,547 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-28 03:27:55,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:55,548 INFO L85 PathProgramCache]: Analyzing trace with hash -436061472, now seen corresponding path program 1 times [2024-11-28 03:27:55,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:27:55,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69228524] [2024-11-28 03:27:55,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:55,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:27:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:55,609 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 03:27:55,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:27:55,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69228524] [2024-11-28 03:27:55,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69228524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:55,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:55,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:27:55,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218993173] [2024-11-28 03:27:55,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:55,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:27:55,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:27:55,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:27:55,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:55,660 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 192 [2024-11-28 03:27:55,661 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 165 transitions, 338 flow. Second operand has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 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 03:27:55,661 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:27:55,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 192 [2024-11-28 03:27:55,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:27:55,722 INFO L124 PetriNetUnfolderBase]: 20/260 cut-off events. [2024-11-28 03:27:55,722 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-28 03:27:55,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 307 conditions, 260 events. 20/260 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 788 event pairs, 11 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 253. Up to 34 conditions per place. [2024-11-28 03:27:55,725 INFO L140 encePairwiseOnDemand]: 189/192 looper letters, 11 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2024-11-28 03:27:55,725 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 164 transitions, 362 flow [2024-11-28 03:27:55,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:27:55,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:27:55,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 527 transitions. [2024-11-28 03:27:55,729 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9149305555555556 [2024-11-28 03:27:55,729 INFO L175 Difference]: Start difference. First operand has 166 places, 165 transitions, 338 flow. Second operand 3 states and 527 transitions. [2024-11-28 03:27:55,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 164 transitions, 362 flow [2024-11-28 03:27:55,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 164 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:27:55,736 INFO L231 Difference]: Finished difference. Result has 165 places, 164 transitions, 336 flow [2024-11-28 03:27:55,736 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=336, PETRI_PLACES=165, PETRI_TRANSITIONS=164} [2024-11-28 03:27:55,737 INFO L279 CegarLoopForPetriNet]: 172 programPoint places, -7 predicate places. [2024-11-28 03:27:55,738 INFO L471 AbstractCegarLoop]: Abstraction has has 165 places, 164 transitions, 336 flow [2024-11-28 03:27:55,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 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 03:27:55,739 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:27:55,739 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] [2024-11-28 03:27:55,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:27:55,739 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-28 03:27:55,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:55,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1398972453, now seen corresponding path program 1 times [2024-11-28 03:27:55,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:27:55,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784625882] [2024-11-28 03:27:55,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:55,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:27:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:55,845 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 03:27:55,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:27:55,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784625882] [2024-11-28 03:27:55,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784625882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:55,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:55,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:27:55,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678197271] [2024-11-28 03:27:55,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:55,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:27:55,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:27:55,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:27:55,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:55,886 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 192 [2024-11-28 03:27:55,887 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 164 transitions, 336 flow. Second operand has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 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 03:27:55,887 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:27:55,887 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 192 [2024-11-28 03:27:55,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:27:55,941 INFO L124 PetriNetUnfolderBase]: 14/207 cut-off events. [2024-11-28 03:27:55,941 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 03:27:55,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 258 conditions, 207 events. 14/207 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 454 event pairs, 6 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 196. Up to 25 conditions per place. [2024-11-28 03:27:55,943 INFO L140 encePairwiseOnDemand]: 186/192 looper letters, 12 selfloop transitions, 3 changer transitions 0/163 dead transitions. [2024-11-28 03:27:55,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 163 transitions, 366 flow [2024-11-28 03:27:55,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:27:55,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:27:55,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 528 transitions. [2024-11-28 03:27:55,945 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9166666666666666 [2024-11-28 03:27:55,945 INFO L175 Difference]: Start difference. First operand has 165 places, 164 transitions, 336 flow. Second operand 3 states and 528 transitions. [2024-11-28 03:27:55,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 163 transitions, 366 flow [2024-11-28 03:27:55,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 163 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:27:55,950 INFO L231 Difference]: Finished difference. Result has 163 places, 162 transitions, 339 flow [2024-11-28 03:27:55,950 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=339, PETRI_PLACES=163, PETRI_TRANSITIONS=162} [2024-11-28 03:27:55,953 INFO L279 CegarLoopForPetriNet]: 172 programPoint places, -9 predicate places. [2024-11-28 03:27:55,953 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 162 transitions, 339 flow [2024-11-28 03:27:55,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 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 03:27:55,953 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:27:55,953 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 03:27:55,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:27:55,954 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-28 03:27:55,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:55,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1544813811, now seen corresponding path program 1 times [2024-11-28 03:27:55,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:27:55,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117718988] [2024-11-28 03:27:55,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:55,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:27:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:56,047 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 03:27:56,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:27:56,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117718988] [2024-11-28 03:27:56,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117718988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:56,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:56,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:27:56,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558532389] [2024-11-28 03:27:56,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:56,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:27:56,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:27:56,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:27:56,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:56,079 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 192 [2024-11-28 03:27:56,080 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 162 transitions, 339 flow. Second operand has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 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 03:27:56,080 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:27:56,080 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 192 [2024-11-28 03:27:56,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:27:56,203 INFO L124 PetriNetUnfolderBase]: 51/414 cut-off events. [2024-11-28 03:27:56,204 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-28 03:27:56,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 520 conditions, 414 events. 51/414 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1790 event pairs, 11 based on Foata normal form. 0/351 useless extension candidates. Maximal degree in co-relation 387. Up to 56 conditions per place. [2024-11-28 03:27:56,208 INFO L140 encePairwiseOnDemand]: 186/192 looper letters, 16 selfloop transitions, 3 changer transitions 0/165 dead transitions. [2024-11-28 03:27:56,208 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 165 transitions, 387 flow [2024-11-28 03:27:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:27:56,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:27:56,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 532 transitions. [2024-11-28 03:27:56,210 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9236111111111112 [2024-11-28 03:27:56,210 INFO L175 Difference]: Start difference. First operand has 163 places, 162 transitions, 339 flow. Second operand 3 states and 532 transitions. [2024-11-28 03:27:56,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 165 transitions, 387 flow [2024-11-28 03:27:56,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 165 transitions, 384 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:27:56,214 INFO L231 Difference]: Finished difference. Result has 162 places, 160 transitions, 343 flow [2024-11-28 03:27:56,214 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=343, PETRI_PLACES=162, PETRI_TRANSITIONS=160} [2024-11-28 03:27:56,214 INFO L279 CegarLoopForPetriNet]: 172 programPoint places, -10 predicate places. [2024-11-28 03:27:56,215 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 160 transitions, 343 flow [2024-11-28 03:27:56,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 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 03:27:56,215 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:27:56,215 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] [2024-11-28 03:27:56,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:27:56,215 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-28 03:27:56,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:56,218 INFO L85 PathProgramCache]: Analyzing trace with hash -659389399, now seen corresponding path program 1 times [2024-11-28 03:27:56,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:27:56,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332398972] [2024-11-28 03:27:56,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:56,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:27:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:56,319 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 03:27:56,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:27:56,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332398972] [2024-11-28 03:27:56,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332398972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:56,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:56,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:27:56,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022689902] [2024-11-28 03:27:56,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:56,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:27:56,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:27:56,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:27:56,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:56,339 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 192 [2024-11-28 03:27:56,340 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 160 transitions, 343 flow. Second operand has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 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 03:27:56,340 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:27:56,340 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 192 [2024-11-28 03:27:56,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:27:56,441 INFO L124 PetriNetUnfolderBase]: 43/531 cut-off events. [2024-11-28 03:27:56,442 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-28 03:27:56,443 INFO L83 FinitePrefix]: Finished finitePrefix Result has 658 conditions, 531 events. 43/531 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2611 event pairs, 14 based on Foata normal form. 0/457 useless extension candidates. Maximal degree in co-relation 393. Up to 59 conditions per place. [2024-11-28 03:27:56,445 INFO L140 encePairwiseOnDemand]: 188/192 looper letters, 11 selfloop transitions, 2 changer transitions 0/161 dead transitions. [2024-11-28 03:27:56,445 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 161 transitions, 373 flow [2024-11-28 03:27:56,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:27:56,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:27:56,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 537 transitions. [2024-11-28 03:27:56,447 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9322916666666666 [2024-11-28 03:27:56,447 INFO L175 Difference]: Start difference. First operand has 162 places, 160 transitions, 343 flow. Second operand 3 states and 537 transitions. [2024-11-28 03:27:56,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 161 transitions, 373 flow [2024-11-28 03:27:56,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 161 transitions, 370 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:27:56,452 INFO L231 Difference]: Finished difference. Result has 162 places, 160 transitions, 350 flow [2024-11-28 03:27:56,453 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=162, PETRI_TRANSITIONS=160} [2024-11-28 03:27:56,454 INFO L279 CegarLoopForPetriNet]: 172 programPoint places, -10 predicate places. [2024-11-28 03:27:56,455 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 160 transitions, 350 flow [2024-11-28 03:27:56,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 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 03:27:56,456 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:27:56,456 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] [2024-11-28 03:27:56,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:27:56,459 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-28 03:27:56,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:56,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1311288106, now seen corresponding path program 1 times [2024-11-28 03:27:56,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:27:56,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395002629] [2024-11-28 03:27:56,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:56,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:27:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:56,563 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 03:27:56,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:27:56,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395002629] [2024-11-28 03:27:56,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395002629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:56,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:56,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:27:56,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107136844] [2024-11-28 03:27:56,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:56,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:27:56,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:27:56,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:27:56,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:56,592 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 192 [2024-11-28 03:27:56,593 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 160 transitions, 350 flow. Second operand has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 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 03:27:56,593 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:27:56,593 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 192 [2024-11-28 03:27:56,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:27:56,660 INFO L124 PetriNetUnfolderBase]: 30/338 cut-off events. [2024-11-28 03:27:56,661 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 03:27:56,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 457 conditions, 338 events. 30/338 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1180 event pairs, 2 based on Foata normal form. 0/308 useless extension candidates. Maximal degree in co-relation 223. Up to 36 conditions per place. [2024-11-28 03:27:56,663 INFO L140 encePairwiseOnDemand]: 188/192 looper letters, 10 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2024-11-28 03:27:56,663 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 159 transitions, 374 flow [2024-11-28 03:27:56,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:27:56,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:27:56,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 533 transitions. [2024-11-28 03:27:56,666 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9253472222222222 [2024-11-28 03:27:56,666 INFO L175 Difference]: Start difference. First operand has 162 places, 160 transitions, 350 flow. Second operand 3 states and 533 transitions. [2024-11-28 03:27:56,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 159 transitions, 374 flow [2024-11-28 03:27:56,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 159 transitions, 374 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:27:56,669 INFO L231 Difference]: Finished difference. Result has 162 places, 158 transitions, 350 flow [2024-11-28 03:27:56,670 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=162, PETRI_TRANSITIONS=158} [2024-11-28 03:27:56,671 INFO L279 CegarLoopForPetriNet]: 172 programPoint places, -10 predicate places. [2024-11-28 03:27:56,671 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 158 transitions, 350 flow [2024-11-28 03:27:56,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 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 03:27:56,671 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:27:56,672 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] [2024-11-28 03:27:56,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:27:56,672 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-28 03:27:56,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:56,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1273156812, now seen corresponding path program 1 times [2024-11-28 03:27:56,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:27:56,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568905773] [2024-11-28 03:27:56,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:56,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:27:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:56,724 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 03:27:56,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:27:56,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568905773] [2024-11-28 03:27:56,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568905773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:56,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:56,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:27:56,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649665183] [2024-11-28 03:27:56,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:56,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:27:56,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:27:56,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:27:56,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:56,746 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 192 [2024-11-28 03:27:56,746 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 158 transitions, 350 flow. Second operand has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 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 03:27:56,747 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:27:56,747 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 192 [2024-11-28 03:27:56,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:27:56,813 INFO L124 PetriNetUnfolderBase]: 37/365 cut-off events. [2024-11-28 03:27:56,813 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-28 03:27:56,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 483 conditions, 365 events. 37/365 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1450 event pairs, 7 based on Foata normal form. 0/334 useless extension candidates. Maximal degree in co-relation 282. Up to 32 conditions per place. [2024-11-28 03:27:56,815 INFO L140 encePairwiseOnDemand]: 188/192 looper letters, 12 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2024-11-28 03:27:56,816 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 159 transitions, 381 flow [2024-11-28 03:27:56,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:27:56,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:27:56,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 535 transitions. [2024-11-28 03:27:56,818 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9288194444444444 [2024-11-28 03:27:56,818 INFO L175 Difference]: Start difference. First operand has 162 places, 158 transitions, 350 flow. Second operand 3 states and 535 transitions. [2024-11-28 03:27:56,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 159 transitions, 381 flow [2024-11-28 03:27:56,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 159 transitions, 377 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:27:56,821 INFO L231 Difference]: Finished difference. Result has 160 places, 156 transitions, 346 flow [2024-11-28 03:27:56,821 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=346, PETRI_PLACES=160, PETRI_TRANSITIONS=156} [2024-11-28 03:27:56,822 INFO L279 CegarLoopForPetriNet]: 172 programPoint places, -12 predicate places. [2024-11-28 03:27:56,822 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 156 transitions, 346 flow [2024-11-28 03:27:56,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 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 03:27:56,823 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:27:56,823 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] [2024-11-28 03:27:56,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 03:27:56,823 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-28 03:27:56,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:56,824 INFO L85 PathProgramCache]: Analyzing trace with hash 939536307, now seen corresponding path program 1 times [2024-11-28 03:27:56,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:27:56,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529179272] [2024-11-28 03:27:56,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:56,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:27:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:56,890 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 03:27:56,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:27:56,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529179272] [2024-11-28 03:27:56,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529179272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:56,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:56,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:27:56,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446097247] [2024-11-28 03:27:56,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:56,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:27:56,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:27:56,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:27:56,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:56,920 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 192 [2024-11-28 03:27:56,921 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 156 transitions, 346 flow. Second operand has 3 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 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 03:27:56,921 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:27:56,921 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 192 [2024-11-28 03:27:56,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:27:57,011 INFO L124 PetriNetUnfolderBase]: 47/519 cut-off events. [2024-11-28 03:27:57,013 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-28 03:27:57,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 690 conditions, 519 events. 47/519 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2529 event pairs, 12 based on Foata normal form. 0/479 useless extension candidates. Maximal degree in co-relation 485. Up to 48 conditions per place. [2024-11-28 03:27:57,016 INFO L140 encePairwiseOnDemand]: 189/192 looper letters, 11 selfloop transitions, 2 changer transitions 0/156 dead transitions. [2024-11-28 03:27:57,016 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 156 transitions, 374 flow [2024-11-28 03:27:57,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:27:57,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:27:57,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 533 transitions. [2024-11-28 03:27:57,018 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9253472222222222 [2024-11-28 03:27:57,018 INFO L175 Difference]: Start difference. First operand has 160 places, 156 transitions, 346 flow. Second operand 3 states and 533 transitions. [2024-11-28 03:27:57,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 156 transitions, 374 flow [2024-11-28 03:27:57,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 156 transitions, 370 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:27:57,025 INFO L231 Difference]: Finished difference. Result has 159 places, 155 transitions, 344 flow [2024-11-28 03:27:57,025 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=159, PETRI_TRANSITIONS=155} [2024-11-28 03:27:57,026 INFO L279 CegarLoopForPetriNet]: 172 programPoint places, -13 predicate places. [2024-11-28 03:27:57,026 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 155 transitions, 344 flow [2024-11-28 03:27:57,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 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 03:27:57,027 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:27:57,027 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] [2024-11-28 03:27:57,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 03:27:57,027 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-28 03:27:57,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:57,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1753088667, now seen corresponding path program 1 times [2024-11-28 03:27:57,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:27:57,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477451961] [2024-11-28 03:27:57,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:57,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:27:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:57,130 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 03:27:57,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:27:57,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477451961] [2024-11-28 03:27:57,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477451961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:57,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:57,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:27:57,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838107874] [2024-11-28 03:27:57,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:57,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:27:57,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:27:57,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:27:57,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:57,160 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 192 [2024-11-28 03:27:57,161 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 155 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 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 03:27:57,161 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:27:57,161 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 192 [2024-11-28 03:27:57,161 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:27:57,228 INFO L124 PetriNetUnfolderBase]: 40/376 cut-off events. [2024-11-28 03:27:57,228 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-28 03:27:57,230 INFO L83 FinitePrefix]: Finished finitePrefix Result has 506 conditions, 376 events. 40/376 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1439 event pairs, 16 based on Foata normal form. 0/350 useless extension candidates. Maximal degree in co-relation 456. Up to 53 conditions per place. [2024-11-28 03:27:57,232 INFO L140 encePairwiseOnDemand]: 189/192 looper letters, 13 selfloop transitions, 2 changer transitions 0/157 dead transitions. [2024-11-28 03:27:57,232 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 157 transitions, 379 flow [2024-11-28 03:27:57,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:27:57,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:27:57,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 535 transitions. [2024-11-28 03:27:57,234 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9288194444444444 [2024-11-28 03:27:57,234 INFO L175 Difference]: Start difference. First operand has 159 places, 155 transitions, 344 flow. Second operand 3 states and 535 transitions. [2024-11-28 03:27:57,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 157 transitions, 379 flow [2024-11-28 03:27:57,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 157 transitions, 375 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:27:57,237 INFO L231 Difference]: Finished difference. Result has 158 places, 154 transitions, 342 flow [2024-11-28 03:27:57,238 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=342, PETRI_PLACES=158, PETRI_TRANSITIONS=154} [2024-11-28 03:27:57,239 INFO L279 CegarLoopForPetriNet]: 172 programPoint places, -14 predicate places. [2024-11-28 03:27:57,239 INFO L471 AbstractCegarLoop]: Abstraction has has 158 places, 154 transitions, 342 flow [2024-11-28 03:27:57,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 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 03:27:57,239 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:27:57,240 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] [2024-11-28 03:27:57,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 03:27:57,241 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-28 03:27:57,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:57,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1827438360, now seen corresponding path program 1 times [2024-11-28 03:27:57,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:27:57,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913425187] [2024-11-28 03:27:57,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:57,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:27:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:57,337 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 03:27:57,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:27:57,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913425187] [2024-11-28 03:27:57,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913425187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:57,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:57,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:27:57,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866839492] [2024-11-28 03:27:57,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:57,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:27:57,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:27:57,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:27:57,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:57,374 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 192 [2024-11-28 03:27:57,374 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 154 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 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 03:27:57,375 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:27:57,375 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 192 [2024-11-28 03:27:57,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:27:57,452 INFO L124 PetriNetUnfolderBase]: 33/335 cut-off events. [2024-11-28 03:27:57,453 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-28 03:27:57,454 INFO L83 FinitePrefix]: Finished finitePrefix Result has 488 conditions, 335 events. 33/335 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1243 event pairs, 14 based on Foata normal form. 0/317 useless extension candidates. Maximal degree in co-relation 440. Up to 51 conditions per place. [2024-11-28 03:27:57,455 INFO L140 encePairwiseOnDemand]: 189/192 looper letters, 13 selfloop transitions, 2 changer transitions 0/154 dead transitions. [2024-11-28 03:27:57,455 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 154 transitions, 374 flow [2024-11-28 03:27:57,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:27:57,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:27:57,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 531 transitions. [2024-11-28 03:27:57,457 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.921875 [2024-11-28 03:27:57,457 INFO L175 Difference]: Start difference. First operand has 158 places, 154 transitions, 342 flow. Second operand 3 states and 531 transitions. [2024-11-28 03:27:57,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 154 transitions, 374 flow [2024-11-28 03:27:57,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 154 transitions, 370 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:27:57,463 INFO L231 Difference]: Finished difference. Result has 157 places, 153 transitions, 340 flow [2024-11-28 03:27:57,463 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=340, PETRI_PLACES=157, PETRI_TRANSITIONS=153} [2024-11-28 03:27:57,464 INFO L279 CegarLoopForPetriNet]: 172 programPoint places, -15 predicate places. [2024-11-28 03:27:57,464 INFO L471 AbstractCegarLoop]: Abstraction has has 157 places, 153 transitions, 340 flow [2024-11-28 03:27:57,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 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 03:27:57,464 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:27:57,465 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 03:27:57,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 03:27:57,465 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-28 03:27:57,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:27:57,466 INFO L85 PathProgramCache]: Analyzing trace with hash 2023927168, now seen corresponding path program 1 times [2024-11-28 03:27:57,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:27:57,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692815901] [2024-11-28 03:27:57,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:27:57,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:27:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:27:57,543 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 03:27:57,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:27:57,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692815901] [2024-11-28 03:27:57,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692815901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:27:57,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:27:57,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:27:57,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813663684] [2024-11-28 03:27:57,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:27:57,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:27:57,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:27:57,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:27:57,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:27:57,586 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 192 [2024-11-28 03:27:57,587 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 153 transitions, 340 flow. Second operand has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 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 03:27:57,587 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:27:57,587 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 192 [2024-11-28 03:27:57,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:27:57,651 INFO L124 PetriNetUnfolderBase]: 45/380 cut-off events. [2024-11-28 03:27:57,651 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-11-28 03:27:57,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 521 conditions, 380 events. 45/380 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1517 event pairs, 14 based on Foata normal form. 0/358 useless extension candidates. Maximal degree in co-relation 489. Up to 62 conditions per place. [2024-11-28 03:27:57,653 INFO L140 encePairwiseOnDemand]: 189/192 looper letters, 0 selfloop transitions, 0 changer transitions 155/155 dead transitions. [2024-11-28 03:27:57,653 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 155 transitions, 379 flow [2024-11-28 03:27:57,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:27:57,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:27:57,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 533 transitions. [2024-11-28 03:27:57,655 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9253472222222222 [2024-11-28 03:27:57,655 INFO L175 Difference]: Start difference. First operand has 157 places, 153 transitions, 340 flow. Second operand 3 states and 533 transitions. [2024-11-28 03:27:57,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 155 transitions, 379 flow [2024-11-28 03:27:57,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 155 transitions, 375 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:27:57,658 INFO L231 Difference]: Finished difference. Result has 156 places, 0 transitions, 0 flow [2024-11-28 03:27:57,658 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=156, PETRI_TRANSITIONS=0} [2024-11-28 03:27:57,659 INFO L279 CegarLoopForPetriNet]: 172 programPoint places, -16 predicate places. [2024-11-28 03:27:57,660 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 0 transitions, 0 flow [2024-11-28 03:27:57,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 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 03:27:57,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (36 of 37 remaining) [2024-11-28 03:27:57,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining) [2024-11-28 03:27:57,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining) [2024-11-28 03:27:57,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining) [2024-11-28 03:27:57,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining) [2024-11-28 03:27:57,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining) [2024-11-28 03:27:57,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining) [2024-11-28 03:27:57,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining) [2024-11-28 03:27:57,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining) [2024-11-28 03:27:57,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining) [2024-11-28 03:27:57,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining) [2024-11-28 03:27:57,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining) [2024-11-28 03:27:57,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining) [2024-11-28 03:27:57,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining) [2024-11-28 03:27:57,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining) [2024-11-28 03:27:57,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining) [2024-11-28 03:27:57,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining) [2024-11-28 03:27:57,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining) [2024-11-28 03:27:57,665 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining) [2024-11-28 03:27:57,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining) [2024-11-28 03:27:57,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (16 of 37 remaining) [2024-11-28 03:27:57,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 37 remaining) [2024-11-28 03:27:57,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 37 remaining) [2024-11-28 03:27:57,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (13 of 37 remaining) [2024-11-28 03:27:57,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (12 of 37 remaining) [2024-11-28 03:27:57,666 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining) [2024-11-28 03:27:57,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining) [2024-11-28 03:27:57,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining) [2024-11-28 03:27:57,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining) [2024-11-28 03:27:57,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining) [2024-11-28 03:27:57,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining) [2024-11-28 03:27:57,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining) [2024-11-28 03:27:57,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining) [2024-11-28 03:27:57,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining) [2024-11-28 03:27:57,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining) [2024-11-28 03:27:57,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining) [2024-11-28 03:27:57,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining) [2024-11-28 03:27:57,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 03:27:57,668 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:27:57,675 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 03:27:57,675 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:27:57,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:27:57 BasicIcfg [2024-11-28 03:27:57,684 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:27:57,685 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:27:57,685 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:27:57,685 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:27:57,686 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:27:53" (3/4) ... [2024-11-28 03:27:57,688 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:27:57,691 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 03:27:57,691 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 03:27:57,698 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-28 03:27:57,698 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 03:27:57,698 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 03:27:57,699 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:27:57,784 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96938ac5-7687-4a32-abf5-5ea7defe9ff1/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:27:57,784 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96938ac5-7687-4a32-abf5-5ea7defe9ff1/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:27:57,784 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:27:57,785 INFO L158 Benchmark]: Toolchain (without parser) took 4717.58ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 49.5MB in the end (delta: 43.1MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2024-11-28 03:27:57,785 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:27:57,786 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.87ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:27:57,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.22ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:27:57,786 INFO L158 Benchmark]: Boogie Preprocessor took 27.22ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 78.5MB in the end (delta: 881.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:27:57,786 INFO L158 Benchmark]: RCFGBuilder took 560.24ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 61.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:27:57,787 INFO L158 Benchmark]: TraceAbstraction took 3744.95ms. Allocated memory is still 117.4MB. Free memory was 60.9MB in the beginning and 55.0MB in the end (delta: 5.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:27:57,787 INFO L158 Benchmark]: Witness Printer took 99.21ms. Allocated memory is still 117.4MB. Free memory was 53.9MB in the beginning and 49.5MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:27:57,789 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.87ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.22ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.22ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 78.5MB in the end (delta: 881.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 560.24ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 61.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3744.95ms. Allocated memory is still 117.4MB. Free memory was 60.9MB in the beginning and 55.0MB in the end (delta: 5.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 99.21ms. Allocated memory is still 117.4MB. Free memory was 53.9MB in the beginning and 49.5MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: 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: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: 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 5 procedures, 262 locations, 37 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: 3.5s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 367 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 124 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 441 IncrementalHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 75 mSDtfsCounter, 441 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=355occurred in iteration=0, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 931 NumberOfCodeBlocks, 931 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 917 ConstructedInterpolants, 0 QuantifiedInterpolants, 945 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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 21 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 03:27:57,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96938ac5-7687-4a32-abf5-5ea7defe9ff1/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