./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdacc462-e417-437d-be64-32e66e2652a5/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdacc462-e417-437d-be64-32e66e2652a5/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdacc462-e417-437d-be64-32e66e2652a5/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdacc462-e417-437d-be64-32e66e2652a5/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdacc462-e417-437d-be64-32e66e2652a5/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdacc462-e417-437d-be64-32e66e2652a5/bin/uautomizer-verify-LYvppIcaGC --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 f36f5593156fc25b34b4c706b0d898a2d66ee8bab5f6d91cd69ff9cf3c129193 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:50:43,411 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:50:43,518 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdacc462-e417-437d-be64-32e66e2652a5/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-23 23:50:43,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:50:43,530 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:50:43,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:50:43,577 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:50:43,577 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:50:43,579 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:50:43,579 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:50:43,580 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:50:43,581 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:50:43,581 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:50:43,581 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:50:43,581 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:50:43,581 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:50:43,581 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:50:43,581 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:50:43,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:50:43,581 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:50:43,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:50:43,582 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:50:43,582 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-23 23:50:43,582 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 23:50:43,582 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:50:43,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:50:43,582 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:50:43,582 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:50:43,582 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:50:43,582 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:50:43,582 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:50:43,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:50:43,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:50:43,583 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:50:43,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:50:43,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:50:43,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:50:43,583 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:50:43,583 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:50:43,583 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:50:43,583 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:50:43,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:50:43,585 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:50:43,585 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:50:43,586 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:50:43,586 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:50:43,586 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_bdacc462-e417-437d-be64-32e66e2652a5/bin/uautomizer-verify-LYvppIcaGC 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 -> f36f5593156fc25b34b4c706b0d898a2d66ee8bab5f6d91cd69ff9cf3c129193 [2024-11-23 23:50:43,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:50:43,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:50:43,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:50:43,974 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:50:43,976 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:50:43,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdacc462-e417-437d-be64-32e66e2652a5/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c [2024-11-23 23:50:47,139 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdacc462-e417-437d-be64-32e66e2652a5/bin/uautomizer-verify-LYvppIcaGC/data/bdbff5ceb/9267c1347a5d4e07a00b5962a0057cfc/FLAG638a59507 [2024-11-23 23:50:47,461 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:50:47,462 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdacc462-e417-437d-be64-32e66e2652a5/sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c [2024-11-23 23:50:47,489 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdacc462-e417-437d-be64-32e66e2652a5/bin/uautomizer-verify-LYvppIcaGC/data/bdbff5ceb/9267c1347a5d4e07a00b5962a0057cfc/FLAG638a59507 [2024-11-23 23:50:47,732 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdacc462-e417-437d-be64-32e66e2652a5/bin/uautomizer-verify-LYvppIcaGC/data/bdbff5ceb/9267c1347a5d4e07a00b5962a0057cfc [2024-11-23 23:50:47,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:50:47,736 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:50:47,737 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:50:47,737 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:50:47,742 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:50:47,743 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:50:47" (1/1) ... [2024-11-23 23:50:47,744 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a79086f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:47, skipping insertion in model container [2024-11-23 23:50:47,744 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:50:47" (1/1) ... [2024-11-23 23:50:47,765 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:50:48,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:50:48,101 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:50:48,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:50:48,213 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:50:48,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:48 WrapperNode [2024-11-23 23:50:48,214 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:50:48,215 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:50:48,215 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:50:48,215 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:50:48,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:48" (1/1) ... [2024-11-23 23:50:48,245 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:48" (1/1) ... [2024-11-23 23:50:48,310 INFO L138 Inliner]: procedures = 25, calls = 32, calls flagged for inlining = 17, calls inlined = 25, statements flattened = 436 [2024-11-23 23:50:48,315 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:50:48,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:50:48,315 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:50:48,316 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:50:48,327 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:48" (1/1) ... [2024-11-23 23:50:48,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:48" (1/1) ... [2024-11-23 23:50:48,333 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:48" (1/1) ... [2024-11-23 23:50:48,333 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:48" (1/1) ... [2024-11-23 23:50:48,350 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:48" (1/1) ... [2024-11-23 23:50:48,352 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:48" (1/1) ... [2024-11-23 23:50:48,357 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:48" (1/1) ... [2024-11-23 23:50:48,359 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:48" (1/1) ... [2024-11-23 23:50:48,361 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:48" (1/1) ... [2024-11-23 23:50:48,366 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:50:48,367 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:50:48,367 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:50:48,367 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:50:48,368 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:48" (1/1) ... [2024-11-23 23:50:48,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:50:48,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdacc462-e417-437d-be64-32e66e2652a5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:50:48,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdacc462-e417-437d-be64-32e66e2652a5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:50:48,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdacc462-e417-437d-be64-32e66e2652a5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:50:48,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:50:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-23 23:50:48,445 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-23 23:50:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-23 23:50:48,445 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-23 23:50:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-23 23:50:48,445 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-23 23:50:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 23:50:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-23 23:50:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 23:50:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:50:48,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:50:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-23 23:50:48,448 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 23:50:48,597 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:50:48,599 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:50:49,466 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 23:50:49,467 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:50:49,505 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:50:49,505 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-23 23:50:49,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:50:49 BoogieIcfgContainer [2024-11-23 23:50:49,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:50:49,511 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:50:49,511 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:50:49,520 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:50:49,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:50:47" (1/3) ... [2024-11-23 23:50:49,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ffba28d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:50:49, skipping insertion in model container [2024-11-23 23:50:49,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:48" (2/3) ... [2024-11-23 23:50:49,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ffba28d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:50:49, skipping insertion in model container [2024-11-23 23:50:49,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:50:49" (3/3) ... [2024-11-23 23:50:49,524 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-chromosome-trans.wvr.c [2024-11-23 23:50:49,541 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:50:49,544 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-chromosome-trans.wvr.c that has 4 procedures, 548 locations, 1 initial locations, 6 loop locations, and 45 error locations. [2024-11-23 23:50:49,544 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 23:50:49,775 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-23 23:50:49,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 557 places, 580 transitions, 1181 flow [2024-11-23 23:50:50,207 INFO L124 PetriNetUnfolderBase]: 33/577 cut-off events. [2024-11-23 23:50:50,212 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-23 23:50:50,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 590 conditions, 577 events. 33/577 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1251 event pairs, 0 based on Foata normal form. 0/499 useless extension candidates. Maximal degree in co-relation 436. Up to 2 conditions per place. [2024-11-23 23:50:50,234 INFO L82 GeneralOperation]: Start removeDead. Operand has 557 places, 580 transitions, 1181 flow [2024-11-23 23:50:50,250 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 535 places, 556 transitions, 1130 flow [2024-11-23 23:50:50,264 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:50:50,282 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;@3b3d12e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:50:50,282 INFO L334 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2024-11-23 23:50:50,302 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 23:50:50,302 INFO L124 PetriNetUnfolderBase]: 3/63 cut-off events. [2024-11-23 23:50:50,302 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 23:50:50,302 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:50:50,303 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:50:50,304 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:50:50,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:50,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1763019105, now seen corresponding path program 1 times [2024-11-23 23:50:50,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:50,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484442010] [2024-11-23 23:50:50,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:50,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:50,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:50:50,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:50,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484442010] [2024-11-23 23:50:50,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484442010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:50,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:50,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:50:50,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247263212] [2024-11-23 23:50:50,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:50,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:50:50,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:50,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:50:50,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:50:50,724 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 580 [2024-11-23 23:50:50,734 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 556 transitions, 1130 flow. Second operand has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-11-23 23:50:50,734 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:50:50,734 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 580 [2024-11-23 23:50:50,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:50:51,076 INFO L124 PetriNetUnfolderBase]: 19/750 cut-off events. [2024-11-23 23:50:51,076 INFO L125 PetriNetUnfolderBase]: For 14/16 co-relation queries the response was YES. [2024-11-23 23:50:51,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 793 conditions, 750 events. 19/750 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2703 event pairs, 5 based on Foata normal form. 52/700 useless extension candidates. Maximal degree in co-relation 544. Up to 22 conditions per place. [2024-11-23 23:50:51,095 INFO L140 encePairwiseOnDemand]: 556/580 looper letters, 11 selfloop transitions, 2 changer transitions 6/534 dead transitions. [2024-11-23 23:50:51,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 534 transitions, 1112 flow [2024-11-23 23:50:51,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:50:51,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:50:51,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1661 transitions. [2024-11-23 23:50:51,122 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9545977011494253 [2024-11-23 23:50:51,124 INFO L175 Difference]: Start difference. First operand has 535 places, 556 transitions, 1130 flow. Second operand 3 states and 1661 transitions. [2024-11-23 23:50:51,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 534 transitions, 1112 flow [2024-11-23 23:50:51,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 530 places, 534 transitions, 1100 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-23 23:50:51,153 INFO L231 Difference]: Finished difference. Result has 530 places, 528 transitions, 1066 flow [2024-11-23 23:50:51,157 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1074, PETRI_DIFFERENCE_MINUEND_PLACES=528, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=534, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=532, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1066, PETRI_PLACES=530, PETRI_TRANSITIONS=528} [2024-11-23 23:50:51,163 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, -5 predicate places. [2024-11-23 23:50:51,163 INFO L471 AbstractCegarLoop]: Abstraction has has 530 places, 528 transitions, 1066 flow [2024-11-23 23:50:51,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-11-23 23:50:51,166 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:50:51,167 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:50:51,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 23:50:51,167 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:50:51,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:51,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1816902927, now seen corresponding path program 1 times [2024-11-23 23:50:51,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:51,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79420549] [2024-11-23 23:50:51,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:51,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:52,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:50:52,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:52,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79420549] [2024-11-23 23:50:52,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79420549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:52,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:52,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:50:52,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393825958] [2024-11-23 23:50:52,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:52,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:50:52,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:52,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:50:52,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:50:52,888 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 485 out of 580 [2024-11-23 23:50:52,893 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 530 places, 528 transitions, 1066 flow. Second operand has 6 states, 6 states have (on average 486.5) internal successors, (2919), 6 states have internal predecessors, (2919), 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) [2024-11-23 23:50:52,894 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:50:52,894 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 485 of 580 [2024-11-23 23:50:52,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:50:56,960 INFO L124 PetriNetUnfolderBase]: 2075/15175 cut-off events. [2024-11-23 23:50:56,961 INFO L125 PetriNetUnfolderBase]: For 179/181 co-relation queries the response was YES. [2024-11-23 23:50:57,098 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18105 conditions, 15175 events. 2075/15175 cut-off events. For 179/181 co-relation queries the response was YES. Maximal size of possible extension queue 313. Compared 183782 event pairs, 1520 based on Foata normal form. 0/12811 useless extension candidates. Maximal degree in co-relation 18020. Up to 2820 conditions per place. [2024-11-23 23:50:57,211 INFO L140 encePairwiseOnDemand]: 562/580 looper letters, 54 selfloop transitions, 15 changer transitions 0/525 dead transitions. [2024-11-23 23:50:57,212 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 526 places, 525 transitions, 1198 flow [2024-11-23 23:50:57,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:50:57,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-23 23:50:57,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2982 transitions. [2024-11-23 23:50:57,228 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8568965517241379 [2024-11-23 23:50:57,228 INFO L175 Difference]: Start difference. First operand has 530 places, 528 transitions, 1066 flow. Second operand 6 states and 2982 transitions. [2024-11-23 23:50:57,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 526 places, 525 transitions, 1198 flow [2024-11-23 23:50:57,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 524 places, 525 transitions, 1194 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:50:57,246 INFO L231 Difference]: Finished difference. Result has 524 places, 525 transitions, 1086 flow [2024-11-23 23:50:57,248 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1056, PETRI_DIFFERENCE_MINUEND_PLACES=519, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=525, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=510, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1086, PETRI_PLACES=524, PETRI_TRANSITIONS=525} [2024-11-23 23:50:57,249 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, -11 predicate places. [2024-11-23 23:50:57,250 INFO L471 AbstractCegarLoop]: Abstraction has has 524 places, 525 transitions, 1086 flow [2024-11-23 23:50:57,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 486.5) internal successors, (2919), 6 states have internal predecessors, (2919), 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) [2024-11-23 23:50:57,252 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:50:57,252 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] [2024-11-23 23:50:57,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:50:57,253 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:50:57,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:57,254 INFO L85 PathProgramCache]: Analyzing trace with hash -347131717, now seen corresponding path program 1 times [2024-11-23 23:50:57,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:57,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168339322] [2024-11-23 23:50:57,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:57,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:57,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:50:57,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:57,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168339322] [2024-11-23 23:50:57,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168339322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:57,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:57,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:50:57,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285870626] [2024-11-23 23:50:57,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:57,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:50:57,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:57,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:50:57,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:50:57,431 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 580 [2024-11-23 23:50:57,434 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 524 places, 525 transitions, 1086 flow. Second operand has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-11-23 23:50:57,435 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:50:57,435 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 580 [2024-11-23 23:50:57,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:50:57,737 INFO L124 PetriNetUnfolderBase]: 25/947 cut-off events. [2024-11-23 23:50:57,738 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2024-11-23 23:50:57,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 998 conditions, 947 events. 25/947 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3821 event pairs, 7 based on Foata normal form. 0/820 useless extension candidates. Maximal degree in co-relation 950. Up to 25 conditions per place. [2024-11-23 23:50:57,761 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 11 selfloop transitions, 2 changer transitions 0/524 dead transitions. [2024-11-23 23:50:57,761 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 525 places, 524 transitions, 1110 flow [2024-11-23 23:50:57,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:50:57,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:50:57,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-11-23 23:50:57,881 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-11-23 23:50:57,882 INFO L175 Difference]: Start difference. First operand has 524 places, 525 transitions, 1086 flow. Second operand 3 states and 1640 transitions. [2024-11-23 23:50:57,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 525 places, 524 transitions, 1110 flow [2024-11-23 23:50:57,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 520 places, 524 transitions, 1080 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-23 23:50:57,893 INFO L231 Difference]: Finished difference. Result has 520 places, 524 transitions, 1058 flow [2024-11-23 23:50:57,894 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1054, PETRI_DIFFERENCE_MINUEND_PLACES=518, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=524, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=522, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1058, PETRI_PLACES=520, PETRI_TRANSITIONS=524} [2024-11-23 23:50:57,896 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, -15 predicate places. [2024-11-23 23:50:57,896 INFO L471 AbstractCegarLoop]: Abstraction has has 520 places, 524 transitions, 1058 flow [2024-11-23 23:50:57,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-11-23 23:50:57,897 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:50:57,898 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:50:57,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:50:57,898 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:50:57,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:57,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1848069889, now seen corresponding path program 1 times [2024-11-23 23:50:57,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:57,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908172736] [2024-11-23 23:50:57,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:57,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:58,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:50:58,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:58,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908172736] [2024-11-23 23:50:58,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908172736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:58,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:58,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:50:58,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332195924] [2024-11-23 23:50:58,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:58,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:50:58,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:58,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:50:58,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:50:58,051 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 580 [2024-11-23 23:50:58,053 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 520 places, 524 transitions, 1058 flow. Second operand has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-11-23 23:50:58,053 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:50:58,054 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 580 [2024-11-23 23:50:58,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:50:58,202 INFO L124 PetriNetUnfolderBase]: 19/637 cut-off events. [2024-11-23 23:50:58,203 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-23 23:50:58,211 INFO L83 FinitePrefix]: Finished finitePrefix Result has 672 conditions, 637 events. 19/637 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2024 event pairs, 7 based on Foata normal form. 0/563 useless extension candidates. Maximal degree in co-relation 552. Up to 25 conditions per place. [2024-11-23 23:50:58,216 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 11 selfloop transitions, 2 changer transitions 0/523 dead transitions. [2024-11-23 23:50:58,216 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 523 transitions, 1082 flow [2024-11-23 23:50:58,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:50:58,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:50:58,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-11-23 23:50:58,222 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-11-23 23:50:58,223 INFO L175 Difference]: Start difference. First operand has 520 places, 524 transitions, 1058 flow. Second operand 3 states and 1640 transitions. [2024-11-23 23:50:58,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 523 transitions, 1082 flow [2024-11-23 23:50:58,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 519 places, 523 transitions, 1078 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:50:58,237 INFO L231 Difference]: Finished difference. Result has 519 places, 523 transitions, 1056 flow [2024-11-23 23:50:58,239 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1052, PETRI_DIFFERENCE_MINUEND_PLACES=517, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=523, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=521, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1056, PETRI_PLACES=519, PETRI_TRANSITIONS=523} [2024-11-23 23:50:58,241 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, -16 predicate places. [2024-11-23 23:50:58,241 INFO L471 AbstractCegarLoop]: Abstraction has has 519 places, 523 transitions, 1056 flow [2024-11-23 23:50:58,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-11-23 23:50:58,243 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:50:58,243 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:50:58,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:50:58,244 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:50:58,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:58,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1394829467, now seen corresponding path program 1 times [2024-11-23 23:50:58,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:58,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942390665] [2024-11-23 23:50:58,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:58,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:58,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:50:58,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:58,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942390665] [2024-11-23 23:50:58,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942390665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:58,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:58,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:50:58,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344936636] [2024-11-23 23:50:58,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:58,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:50:58,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:58,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:50:58,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:50:58,386 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 580 [2024-11-23 23:50:58,389 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 519 places, 523 transitions, 1056 flow. Second operand has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-11-23 23:50:58,389 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:50:58,390 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 580 [2024-11-23 23:50:58,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:50:58,555 INFO L124 PetriNetUnfolderBase]: 21/826 cut-off events. [2024-11-23 23:50:58,555 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-23 23:50:58,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 859 conditions, 826 events. 21/826 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3375 event pairs, 5 based on Foata normal form. 0/720 useless extension candidates. Maximal degree in co-relation 692. Up to 22 conditions per place. [2024-11-23 23:50:58,572 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 11 selfloop transitions, 2 changer transitions 0/522 dead transitions. [2024-11-23 23:50:58,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 520 places, 522 transitions, 1080 flow [2024-11-23 23:50:58,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:50:58,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:50:58,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-11-23 23:50:58,577 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-11-23 23:50:58,577 INFO L175 Difference]: Start difference. First operand has 519 places, 523 transitions, 1056 flow. Second operand 3 states and 1640 transitions. [2024-11-23 23:50:58,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 520 places, 522 transitions, 1080 flow [2024-11-23 23:50:58,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 518 places, 522 transitions, 1076 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:50:58,587 INFO L231 Difference]: Finished difference. Result has 518 places, 522 transitions, 1054 flow [2024-11-23 23:50:58,588 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1050, PETRI_DIFFERENCE_MINUEND_PLACES=516, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=522, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=520, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1054, PETRI_PLACES=518, PETRI_TRANSITIONS=522} [2024-11-23 23:50:58,589 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, -17 predicate places. [2024-11-23 23:50:58,589 INFO L471 AbstractCegarLoop]: Abstraction has has 518 places, 522 transitions, 1054 flow [2024-11-23 23:50:58,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-11-23 23:50:58,590 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:50:58,591 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:50:58,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:50:58,591 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:50:58,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:58,592 INFO L85 PathProgramCache]: Analyzing trace with hash 995484506, now seen corresponding path program 1 times [2024-11-23 23:50:58,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:58,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702119293] [2024-11-23 23:50:58,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:58,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:58,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:50:58,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:58,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702119293] [2024-11-23 23:50:58,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702119293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:58,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:58,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:50:58,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808738105] [2024-11-23 23:50:58,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:58,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:50:58,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:58,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:50:58,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:50:58,711 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 580 [2024-11-23 23:50:58,714 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 518 places, 522 transitions, 1054 flow. Second operand has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-11-23 23:50:58,714 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:50:58,714 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 580 [2024-11-23 23:50:58,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:50:59,043 INFO L124 PetriNetUnfolderBase]: 27/1034 cut-off events. [2024-11-23 23:50:59,043 INFO L125 PetriNetUnfolderBase]: For 3/6 co-relation queries the response was YES. [2024-11-23 23:50:59,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1072 conditions, 1034 events. 27/1034 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4731 event pairs, 7 based on Foata normal form. 0/894 useless extension candidates. Maximal degree in co-relation 897. Up to 25 conditions per place. [2024-11-23 23:50:59,057 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 11 selfloop transitions, 2 changer transitions 0/521 dead transitions. [2024-11-23 23:50:59,057 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 519 places, 521 transitions, 1078 flow [2024-11-23 23:50:59,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:50:59,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:50:59,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-11-23 23:50:59,061 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-11-23 23:50:59,062 INFO L175 Difference]: Start difference. First operand has 518 places, 522 transitions, 1054 flow. Second operand 3 states and 1640 transitions. [2024-11-23 23:50:59,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 519 places, 521 transitions, 1078 flow [2024-11-23 23:50:59,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 521 transitions, 1074 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:50:59,070 INFO L231 Difference]: Finished difference. Result has 517 places, 521 transitions, 1052 flow [2024-11-23 23:50:59,071 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1048, PETRI_DIFFERENCE_MINUEND_PLACES=515, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=519, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1052, PETRI_PLACES=517, PETRI_TRANSITIONS=521} [2024-11-23 23:50:59,074 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, -18 predicate places. [2024-11-23 23:50:59,074 INFO L471 AbstractCegarLoop]: Abstraction has has 517 places, 521 transitions, 1052 flow [2024-11-23 23:50:59,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-11-23 23:50:59,076 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:50:59,076 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:50:59,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 23:50:59,076 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:50:59,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:59,077 INFO L85 PathProgramCache]: Analyzing trace with hash 250710617, now seen corresponding path program 1 times [2024-11-23 23:50:59,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:59,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540472585] [2024-11-23 23:50:59,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:59,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:59,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:50:59,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:59,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540472585] [2024-11-23 23:50:59,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540472585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:59,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:59,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:50:59,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082057944] [2024-11-23 23:50:59,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:59,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:50:59,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:59,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:50:59,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:50:59,213 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 542 out of 580 [2024-11-23 23:50:59,215 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 521 transitions, 1052 flow. Second operand has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-11-23 23:50:59,215 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:50:59,216 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 542 of 580 [2024-11-23 23:50:59,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:50:59,398 INFO L124 PetriNetUnfolderBase]: 25/898 cut-off events. [2024-11-23 23:50:59,398 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-11-23 23:50:59,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 933 conditions, 898 events. 25/898 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3210 event pairs, 7 based on Foata normal form. 0/783 useless extension candidates. Maximal degree in co-relation 750. Up to 25 conditions per place. [2024-11-23 23:50:59,415 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 11 selfloop transitions, 2 changer transitions 0/520 dead transitions. [2024-11-23 23:50:59,416 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 518 places, 520 transitions, 1076 flow [2024-11-23 23:50:59,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:50:59,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:50:59,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-11-23 23:50:59,421 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-11-23 23:50:59,421 INFO L175 Difference]: Start difference. First operand has 517 places, 521 transitions, 1052 flow. Second operand 3 states and 1640 transitions. [2024-11-23 23:50:59,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 518 places, 520 transitions, 1076 flow [2024-11-23 23:50:59,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 520 transitions, 1072 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:50:59,431 INFO L231 Difference]: Finished difference. Result has 516 places, 520 transitions, 1050 flow [2024-11-23 23:50:59,432 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1046, PETRI_DIFFERENCE_MINUEND_PLACES=514, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=520, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=518, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1050, PETRI_PLACES=516, PETRI_TRANSITIONS=520} [2024-11-23 23:50:59,433 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, -19 predicate places. [2024-11-23 23:50:59,433 INFO L471 AbstractCegarLoop]: Abstraction has has 516 places, 520 transitions, 1050 flow [2024-11-23 23:50:59,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-11-23 23:50:59,435 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:50:59,435 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:50:59,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 23:50:59,436 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:50:59,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:59,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1192983839, now seen corresponding path program 1 times [2024-11-23 23:50:59,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:59,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893158030] [2024-11-23 23:50:59,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:59,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:59,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:50:59,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:59,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893158030] [2024-11-23 23:50:59,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893158030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:59,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:59,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:50:59,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645167114] [2024-11-23 23:50:59,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:59,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:50:59,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:59,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:50:59,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:50:59,545 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 544 out of 580 [2024-11-23 23:50:59,547 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 516 places, 520 transitions, 1050 flow. Second operand has 3 states, 3 states have (on average 545.3333333333334) internal successors, (1636), 3 states have internal predecessors, (1636), 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) [2024-11-23 23:50:59,547 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:50:59,547 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 544 of 580 [2024-11-23 23:50:59,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:50:59,832 INFO L124 PetriNetUnfolderBase]: 36/1226 cut-off events. [2024-11-23 23:50:59,832 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-23 23:50:59,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1273 conditions, 1226 events. 36/1226 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 6559 event pairs, 8 based on Foata normal form. 0/1064 useless extension candidates. Maximal degree in co-relation 1082. Up to 31 conditions per place. [2024-11-23 23:50:59,862 INFO L140 encePairwiseOnDemand]: 576/580 looper letters, 13 selfloop transitions, 2 changer transitions 0/522 dead transitions. [2024-11-23 23:50:59,862 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 522 transitions, 1086 flow [2024-11-23 23:50:59,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:50:59,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:50:59,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2024-11-23 23:50:59,867 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9477011494252874 [2024-11-23 23:50:59,867 INFO L175 Difference]: Start difference. First operand has 516 places, 520 transitions, 1050 flow. Second operand 3 states and 1649 transitions. [2024-11-23 23:50:59,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 522 transitions, 1086 flow [2024-11-23 23:50:59,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 522 transitions, 1082 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:50:59,879 INFO L231 Difference]: Finished difference. Result has 515 places, 520 transitions, 1056 flow [2024-11-23 23:50:59,880 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1042, PETRI_DIFFERENCE_MINUEND_PLACES=512, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=518, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1056, PETRI_PLACES=515, PETRI_TRANSITIONS=520} [2024-11-23 23:50:59,881 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, -20 predicate places. [2024-11-23 23:50:59,881 INFO L471 AbstractCegarLoop]: Abstraction has has 515 places, 520 transitions, 1056 flow [2024-11-23 23:50:59,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 545.3333333333334) internal successors, (1636), 3 states have internal predecessors, (1636), 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) [2024-11-23 23:50:59,883 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:50:59,883 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:50:59,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 23:50:59,884 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:50:59,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:59,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1655175723, now seen corresponding path program 1 times [2024-11-23 23:50:59,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:59,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287560216] [2024-11-23 23:50:59,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:59,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:59,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:50:59,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:59,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287560216] [2024-11-23 23:50:59,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287560216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:59,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:59,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:50:59,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620466176] [2024-11-23 23:50:59,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:59,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:50:59,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:59,974 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:50:59,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:50:59,989 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 544 out of 580 [2024-11-23 23:50:59,992 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 515 places, 520 transitions, 1056 flow. Second operand has 3 states, 3 states have (on average 545.6666666666666) internal successors, (1637), 3 states have internal predecessors, (1637), 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) [2024-11-23 23:50:59,992 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:50:59,992 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 544 of 580 [2024-11-23 23:50:59,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:51:00,264 INFO L124 PetriNetUnfolderBase]: 49/1359 cut-off events. [2024-11-23 23:51:00,265 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-23 23:51:00,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1428 conditions, 1359 events. 49/1359 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 8213 event pairs, 5 based on Foata normal form. 0/1184 useless extension candidates. Maximal degree in co-relation 1127. Up to 43 conditions per place. [2024-11-23 23:51:00,292 INFO L140 encePairwiseOnDemand]: 576/580 looper letters, 13 selfloop transitions, 2 changer transitions 0/522 dead transitions. [2024-11-23 23:51:00,293 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 515 places, 522 transitions, 1092 flow [2024-11-23 23:51:00,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:51:00,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:51:00,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2024-11-23 23:51:00,297 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9477011494252874 [2024-11-23 23:51:00,298 INFO L175 Difference]: Start difference. First operand has 515 places, 520 transitions, 1056 flow. Second operand 3 states and 1649 transitions. [2024-11-23 23:51:00,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 515 places, 522 transitions, 1092 flow [2024-11-23 23:51:00,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 522 transitions, 1092 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-23 23:51:00,307 INFO L231 Difference]: Finished difference. Result has 516 places, 520 transitions, 1066 flow [2024-11-23 23:51:00,308 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1052, PETRI_DIFFERENCE_MINUEND_PLACES=513, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=518, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1066, PETRI_PLACES=516, PETRI_TRANSITIONS=520} [2024-11-23 23:51:00,309 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, -19 predicate places. [2024-11-23 23:51:00,309 INFO L471 AbstractCegarLoop]: Abstraction has has 516 places, 520 transitions, 1066 flow [2024-11-23 23:51:00,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 545.6666666666666) internal successors, (1637), 3 states have internal predecessors, (1637), 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) [2024-11-23 23:51:00,311 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:51:00,311 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:00,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 23:51:00,311 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:51:00,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:00,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1296112638, now seen corresponding path program 1 times [2024-11-23 23:51:00,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:00,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473026695] [2024-11-23 23:51:00,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:00,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:00,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:51:00,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:00,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473026695] [2024-11-23 23:51:00,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473026695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:00,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:00,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:51:00,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540602756] [2024-11-23 23:51:00,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:00,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:51:00,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:00,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:51:00,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:51:00,442 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-11-23 23:51:00,445 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 516 places, 520 transitions, 1066 flow. Second operand has 3 states, 3 states have (on average 542.3333333333334) internal successors, (1627), 3 states have internal predecessors, (1627), 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) [2024-11-23 23:51:00,445 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:51:00,445 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-11-23 23:51:00,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:51:00,748 INFO L124 PetriNetUnfolderBase]: 51/1185 cut-off events. [2024-11-23 23:51:00,748 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-23 23:51:00,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1303 conditions, 1185 events. 51/1185 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6428 event pairs, 18 based on Foata normal form. 0/1038 useless extension candidates. Maximal degree in co-relation 1002. Up to 57 conditions per place. [2024-11-23 23:51:00,768 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 15 selfloop transitions, 2 changer transitions 0/521 dead transitions. [2024-11-23 23:51:00,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 521 transitions, 1104 flow [2024-11-23 23:51:00,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:51:00,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:51:00,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1641 transitions. [2024-11-23 23:51:00,772 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9431034482758621 [2024-11-23 23:51:00,773 INFO L175 Difference]: Start difference. First operand has 516 places, 520 transitions, 1066 flow. Second operand 3 states and 1641 transitions. [2024-11-23 23:51:00,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 521 transitions, 1104 flow [2024-11-23 23:51:00,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 521 transitions, 1104 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-23 23:51:00,781 INFO L231 Difference]: Finished difference. Result has 517 places, 519 transitions, 1068 flow [2024-11-23 23:51:00,782 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1064, PETRI_DIFFERENCE_MINUEND_PLACES=515, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=519, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=517, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1068, PETRI_PLACES=517, PETRI_TRANSITIONS=519} [2024-11-23 23:51:00,783 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, -18 predicate places. [2024-11-23 23:51:00,783 INFO L471 AbstractCegarLoop]: Abstraction has has 517 places, 519 transitions, 1068 flow [2024-11-23 23:51:00,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 542.3333333333334) internal successors, (1627), 3 states have internal predecessors, (1627), 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) [2024-11-23 23:51:00,784 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:51:00,785 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:00,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 23:51:00,785 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:51:00,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:00,786 INFO L85 PathProgramCache]: Analyzing trace with hash -548896677, now seen corresponding path program 1 times [2024-11-23 23:51:00,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:00,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384809328] [2024-11-23 23:51:00,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:00,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:00,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:51:00,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:00,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384809328] [2024-11-23 23:51:00,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384809328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:00,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:00,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:51:00,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005662795] [2024-11-23 23:51:00,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:00,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:51:00,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:00,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:51:00,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:51:00,888 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 544 out of 580 [2024-11-23 23:51:00,891 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 519 transitions, 1068 flow. Second operand has 3 states, 3 states have (on average 545.6666666666666) internal successors, (1637), 3 states have internal predecessors, (1637), 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) [2024-11-23 23:51:00,891 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:51:00,891 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 544 of 580 [2024-11-23 23:51:00,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:51:01,302 INFO L124 PetriNetUnfolderBase]: 68/1866 cut-off events. [2024-11-23 23:51:01,302 INFO L125 PetriNetUnfolderBase]: For 16/21 co-relation queries the response was YES. [2024-11-23 23:51:01,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1954 conditions, 1866 events. 68/1866 cut-off events. For 16/21 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 12110 event pairs, 15 based on Foata normal form. 0/1612 useless extension candidates. Maximal degree in co-relation 1556. Up to 56 conditions per place. [2024-11-23 23:51:01,340 INFO L140 encePairwiseOnDemand]: 576/580 looper letters, 13 selfloop transitions, 2 changer transitions 0/521 dead transitions. [2024-11-23 23:51:01,340 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 521 transitions, 1104 flow [2024-11-23 23:51:01,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:51:01,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:51:01,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2024-11-23 23:51:01,346 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9477011494252874 [2024-11-23 23:51:01,347 INFO L175 Difference]: Start difference. First operand has 517 places, 519 transitions, 1068 flow. Second operand 3 states and 1649 transitions. [2024-11-23 23:51:01,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 521 transitions, 1104 flow [2024-11-23 23:51:01,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 521 transitions, 1100 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:51:01,358 INFO L231 Difference]: Finished difference. Result has 516 places, 519 transitions, 1074 flow [2024-11-23 23:51:01,359 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1060, PETRI_DIFFERENCE_MINUEND_PLACES=513, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1074, PETRI_PLACES=516, PETRI_TRANSITIONS=519} [2024-11-23 23:51:01,360 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, -19 predicate places. [2024-11-23 23:51:01,360 INFO L471 AbstractCegarLoop]: Abstraction has has 516 places, 519 transitions, 1074 flow [2024-11-23 23:51:01,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 545.6666666666666) internal successors, (1637), 3 states have internal predecessors, (1637), 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) [2024-11-23 23:51:01,361 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:51:01,361 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:01,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 23:51:01,362 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:51:01,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:01,362 INFO L85 PathProgramCache]: Analyzing trace with hash -460429680, now seen corresponding path program 1 times [2024-11-23 23:51:01,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:01,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948064897] [2024-11-23 23:51:01,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:01,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:01,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:51:01,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:01,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948064897] [2024-11-23 23:51:01,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948064897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:01,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:01,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:51:01,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770094268] [2024-11-23 23:51:01,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:01,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:51:01,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:01,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:51:01,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:51:01,464 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 544 out of 580 [2024-11-23 23:51:01,467 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 516 places, 519 transitions, 1074 flow. Second operand has 3 states, 3 states have (on average 545.3333333333334) internal successors, (1636), 3 states have internal predecessors, (1636), 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) [2024-11-23 23:51:01,467 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:51:01,467 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 544 of 580 [2024-11-23 23:51:01,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:51:02,022 INFO L124 PetriNetUnfolderBase]: 101/2286 cut-off events. [2024-11-23 23:51:02,023 INFO L125 PetriNetUnfolderBase]: For 19/22 co-relation queries the response was YES. [2024-11-23 23:51:02,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2434 conditions, 2286 events. 101/2286 cut-off events. For 19/22 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 15798 event pairs, 6 based on Foata normal form. 0/1974 useless extension candidates. Maximal degree in co-relation 1997. Up to 104 conditions per place. [2024-11-23 23:51:02,072 INFO L140 encePairwiseOnDemand]: 576/580 looper letters, 16 selfloop transitions, 2 changer transitions 0/524 dead transitions. [2024-11-23 23:51:02,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 524 transitions, 1125 flow [2024-11-23 23:51:02,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:51:02,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:51:02,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1652 transitions. [2024-11-23 23:51:02,077 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9494252873563218 [2024-11-23 23:51:02,077 INFO L175 Difference]: Start difference. First operand has 516 places, 519 transitions, 1074 flow. Second operand 3 states and 1652 transitions. [2024-11-23 23:51:02,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 524 transitions, 1125 flow [2024-11-23 23:51:02,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 524 transitions, 1125 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-23 23:51:02,089 INFO L231 Difference]: Finished difference. Result has 517 places, 519 transitions, 1084 flow [2024-11-23 23:51:02,090 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1070, PETRI_DIFFERENCE_MINUEND_PLACES=514, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1084, PETRI_PLACES=517, PETRI_TRANSITIONS=519} [2024-11-23 23:51:02,093 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, -18 predicate places. [2024-11-23 23:51:02,093 INFO L471 AbstractCegarLoop]: Abstraction has has 517 places, 519 transitions, 1084 flow [2024-11-23 23:51:02,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 545.3333333333334) internal successors, (1636), 3 states have internal predecessors, (1636), 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) [2024-11-23 23:51:02,095 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:51:02,095 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:02,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 23:51:02,095 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:51:02,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:02,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1388448633, now seen corresponding path program 1 times [2024-11-23 23:51:02,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:02,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704273910] [2024-11-23 23:51:02,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:02,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:02,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:51:02,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:02,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704273910] [2024-11-23 23:51:02,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704273910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:02,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:02,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:51:02,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252884123] [2024-11-23 23:51:02,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:02,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:51:02,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:02,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:51:02,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:51:02,243 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 539 out of 580 [2024-11-23 23:51:02,245 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 519 transitions, 1084 flow. Second operand has 3 states, 3 states have (on average 540.3333333333334) internal successors, (1621), 3 states have internal predecessors, (1621), 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) [2024-11-23 23:51:02,245 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:51:02,246 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 539 of 580 [2024-11-23 23:51:02,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:51:03,092 INFO L124 PetriNetUnfolderBase]: 118/2771 cut-off events. [2024-11-23 23:51:03,093 INFO L125 PetriNetUnfolderBase]: For 6/10 co-relation queries the response was YES. [2024-11-23 23:51:03,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3033 conditions, 2771 events. 118/2771 cut-off events. For 6/10 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 20131 event pairs, 15 based on Foata normal form. 0/2426 useless extension candidates. Maximal degree in co-relation 2596. Up to 57 conditions per place. [2024-11-23 23:51:03,136 INFO L140 encePairwiseOnDemand]: 572/580 looper letters, 15 selfloop transitions, 5 changer transitions 0/521 dead transitions. [2024-11-23 23:51:03,136 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 521 transitions, 1130 flow [2024-11-23 23:51:03,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:51:03,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:51:03,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-11-23 23:51:03,142 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-11-23 23:51:03,142 INFO L175 Difference]: Start difference. First operand has 517 places, 519 transitions, 1084 flow. Second operand 3 states and 1640 transitions. [2024-11-23 23:51:03,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 521 transitions, 1130 flow [2024-11-23 23:51:03,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 521 transitions, 1130 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-23 23:51:03,154 INFO L231 Difference]: Finished difference. Result has 518 places, 519 transitions, 1110 flow [2024-11-23 23:51:03,156 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1078, PETRI_DIFFERENCE_MINUEND_PLACES=514, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=516, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=511, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1110, PETRI_PLACES=518, PETRI_TRANSITIONS=519} [2024-11-23 23:51:03,156 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, -17 predicate places. [2024-11-23 23:51:03,157 INFO L471 AbstractCegarLoop]: Abstraction has has 518 places, 519 transitions, 1110 flow [2024-11-23 23:51:03,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 540.3333333333334) internal successors, (1621), 3 states have internal predecessors, (1621), 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) [2024-11-23 23:51:03,158 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:51:03,158 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:03,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 23:51:03,158 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:51:03,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:03,159 INFO L85 PathProgramCache]: Analyzing trace with hash -942983182, now seen corresponding path program 1 times [2024-11-23 23:51:03,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:03,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238675201] [2024-11-23 23:51:03,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:03,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:03,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:51:03,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:03,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238675201] [2024-11-23 23:51:03,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238675201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:03,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:03,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:51:03,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716267181] [2024-11-23 23:51:03,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:03,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:51:03,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:03,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:51:03,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:51:03,317 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-11-23 23:51:03,320 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 518 places, 519 transitions, 1110 flow. Second operand has 3 states, 3 states have (on average 542.6666666666666) internal successors, (1628), 3 states have internal predecessors, (1628), 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) [2024-11-23 23:51:03,320 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:51:03,320 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-11-23 23:51:03,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:51:04,159 INFO L124 PetriNetUnfolderBase]: 92/2232 cut-off events. [2024-11-23 23:51:04,159 INFO L125 PetriNetUnfolderBase]: For 36/118 co-relation queries the response was YES. [2024-11-23 23:51:04,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2428 conditions, 2232 events. 92/2232 cut-off events. For 36/118 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 14590 event pairs, 22 based on Foata normal form. 2/1934 useless extension candidates. Maximal degree in co-relation 1879. Up to 58 conditions per place. [2024-11-23 23:51:04,231 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 15 selfloop transitions, 2 changer transitions 0/520 dead transitions. [2024-11-23 23:51:04,232 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 519 places, 520 transitions, 1148 flow [2024-11-23 23:51:04,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:51:04,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:51:04,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1641 transitions. [2024-11-23 23:51:04,237 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9431034482758621 [2024-11-23 23:51:04,237 INFO L175 Difference]: Start difference. First operand has 518 places, 519 transitions, 1110 flow. Second operand 3 states and 1641 transitions. [2024-11-23 23:51:04,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 519 places, 520 transitions, 1148 flow [2024-11-23 23:51:04,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 520 transitions, 1138 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:51:04,250 INFO L231 Difference]: Finished difference. Result has 517 places, 518 transitions, 1102 flow [2024-11-23 23:51:04,251 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1098, PETRI_DIFFERENCE_MINUEND_PLACES=515, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=518, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1102, PETRI_PLACES=517, PETRI_TRANSITIONS=518} [2024-11-23 23:51:04,252 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, -18 predicate places. [2024-11-23 23:51:04,252 INFO L471 AbstractCegarLoop]: Abstraction has has 517 places, 518 transitions, 1102 flow [2024-11-23 23:51:04,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 542.6666666666666) internal successors, (1628), 3 states have internal predecessors, (1628), 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) [2024-11-23 23:51:04,253 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:51:04,253 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:04,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 23:51:04,254 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:51:04,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:04,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1587744020, now seen corresponding path program 1 times [2024-11-23 23:51:04,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:04,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680888781] [2024-11-23 23:51:04,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:04,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:04,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:51:04,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:04,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680888781] [2024-11-23 23:51:04,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680888781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:04,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:04,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:51:04,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140683373] [2024-11-23 23:51:04,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:04,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:51:04,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:04,438 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:51:04,438 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:51:04,511 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 580 [2024-11-23 23:51:04,516 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 518 transitions, 1102 flow. Second operand has 4 states, 4 states have (on average 544.25) internal successors, (2177), 4 states have internal predecessors, (2177), 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) [2024-11-23 23:51:04,516 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:51:04,516 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 580 [2024-11-23 23:51:04,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:51:05,476 INFO L124 PetriNetUnfolderBase]: 124/3253 cut-off events. [2024-11-23 23:51:05,477 INFO L125 PetriNetUnfolderBase]: For 7/13 co-relation queries the response was YES. [2024-11-23 23:51:05,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3601 conditions, 3253 events. 124/3253 cut-off events. For 7/13 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 24194 event pairs, 24 based on Foata normal form. 2/2851 useless extension candidates. Maximal degree in co-relation 3439. Up to 67 conditions per place. [2024-11-23 23:51:05,527 INFO L140 encePairwiseOnDemand]: 575/580 looper letters, 27 selfloop transitions, 4 changer transitions 0/534 dead transitions. [2024-11-23 23:51:05,528 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 534 transitions, 1206 flow [2024-11-23 23:51:05,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:51:05,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-23 23:51:05,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2747 transitions. [2024-11-23 23:51:05,534 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9472413793103448 [2024-11-23 23:51:05,535 INFO L175 Difference]: Start difference. First operand has 517 places, 518 transitions, 1102 flow. Second operand 5 states and 2747 transitions. [2024-11-23 23:51:05,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 534 transitions, 1206 flow [2024-11-23 23:51:05,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 519 places, 534 transitions, 1202 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:51:05,545 INFO L231 Difference]: Finished difference. Result has 522 places, 520 transitions, 1123 flow [2024-11-23 23:51:05,547 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1094, PETRI_DIFFERENCE_MINUEND_PLACES=515, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=513, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1123, PETRI_PLACES=522, PETRI_TRANSITIONS=520} [2024-11-23 23:51:05,547 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, -13 predicate places. [2024-11-23 23:51:05,547 INFO L471 AbstractCegarLoop]: Abstraction has has 522 places, 520 transitions, 1123 flow [2024-11-23 23:51:05,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 544.25) internal successors, (2177), 4 states have internal predecessors, (2177), 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) [2024-11-23 23:51:05,549 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:51:05,549 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:05,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 23:51:05,549 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:51:05,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:05,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1446363431, now seen corresponding path program 1 times [2024-11-23 23:51:05,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:05,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804602136] [2024-11-23 23:51:05,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:05,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:05,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:51:05,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:05,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804602136] [2024-11-23 23:51:05,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804602136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:05,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:05,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:51:05,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554714396] [2024-11-23 23:51:05,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:05,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:51:05,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:05,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:51:05,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:51:05,959 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 524 out of 580 [2024-11-23 23:51:05,962 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 522 places, 520 transitions, 1123 flow. Second operand has 5 states, 5 states have (on average 529.0) internal successors, (2645), 5 states have internal predecessors, (2645), 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) [2024-11-23 23:51:05,963 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:51:05,963 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 524 of 580 [2024-11-23 23:51:05,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:51:06,383 INFO L124 PetriNetUnfolderBase]: 47/1670 cut-off events. [2024-11-23 23:51:06,384 INFO L125 PetriNetUnfolderBase]: For 11/22 co-relation queries the response was YES. [2024-11-23 23:51:06,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1835 conditions, 1670 events. 47/1670 cut-off events. For 11/22 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8739 event pairs, 3 based on Foata normal form. 3/1481 useless extension candidates. Maximal degree in co-relation 1699. Up to 30 conditions per place. [2024-11-23 23:51:06,404 INFO L140 encePairwiseOnDemand]: 559/580 looper letters, 18 selfloop transitions, 18 changer transitions 0/523 dead transitions. [2024-11-23 23:51:06,404 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 526 places, 523 transitions, 1201 flow [2024-11-23 23:51:06,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:51:06,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-23 23:51:06,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2659 transitions. [2024-11-23 23:51:06,408 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.916896551724138 [2024-11-23 23:51:06,408 INFO L175 Difference]: Start difference. First operand has 522 places, 520 transitions, 1123 flow. Second operand 5 states and 2659 transitions. [2024-11-23 23:51:06,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 526 places, 523 transitions, 1201 flow [2024-11-23 23:51:06,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 526 places, 523 transitions, 1201 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-23 23:51:06,417 INFO L231 Difference]: Finished difference. Result has 527 places, 523 transitions, 1183 flow [2024-11-23 23:51:06,418 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1123, PETRI_DIFFERENCE_MINUEND_PLACES=522, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=520, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=502, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1183, PETRI_PLACES=527, PETRI_TRANSITIONS=523} [2024-11-23 23:51:06,418 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, -8 predicate places. [2024-11-23 23:51:06,418 INFO L471 AbstractCegarLoop]: Abstraction has has 527 places, 523 transitions, 1183 flow [2024-11-23 23:51:06,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 529.0) internal successors, (2645), 5 states have internal predecessors, (2645), 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) [2024-11-23 23:51:06,420 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:51:06,420 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:06,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 23:51:06,421 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:51:06,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:06,422 INFO L85 PathProgramCache]: Analyzing trace with hash -766863501, now seen corresponding path program 1 times [2024-11-23 23:51:06,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:06,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431088484] [2024-11-23 23:51:06,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:06,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:06,565 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-23 23:51:06,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:06,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431088484] [2024-11-23 23:51:06,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431088484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:06,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:06,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:51:06,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391249538] [2024-11-23 23:51:06,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:06,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:51:06,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:06,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:51:06,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:51:06,603 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-11-23 23:51:06,605 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 527 places, 523 transitions, 1183 flow. Second operand has 3 states, 3 states have (on average 543.0) internal successors, (1629), 3 states have internal predecessors, (1629), 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) [2024-11-23 23:51:06,606 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:51:06,606 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-11-23 23:51:06,606 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:51:07,618 INFO L124 PetriNetUnfolderBase]: 188/4808 cut-off events. [2024-11-23 23:51:07,622 INFO L125 PetriNetUnfolderBase]: For 56/61 co-relation queries the response was YES. [2024-11-23 23:51:07,688 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5351 conditions, 4808 events. 188/4808 cut-off events. For 56/61 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 39546 event pairs, 45 based on Foata normal form. 1/4211 useless extension candidates. Maximal degree in co-relation 5122. Up to 128 conditions per place. [2024-11-23 23:51:07,703 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 17 selfloop transitions, 2 changer transitions 0/524 dead transitions. [2024-11-23 23:51:07,703 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 524 transitions, 1225 flow [2024-11-23 23:51:07,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:51:07,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:51:07,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1641 transitions. [2024-11-23 23:51:07,708 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9431034482758621 [2024-11-23 23:51:07,708 INFO L175 Difference]: Start difference. First operand has 527 places, 523 transitions, 1183 flow. Second operand 3 states and 1641 transitions. [2024-11-23 23:51:07,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 524 transitions, 1225 flow [2024-11-23 23:51:07,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 524 transitions, 1195 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-23 23:51:07,719 INFO L231 Difference]: Finished difference. Result has 525 places, 522 transitions, 1155 flow [2024-11-23 23:51:07,720 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1151, PETRI_DIFFERENCE_MINUEND_PLACES=523, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=522, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=520, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1155, PETRI_PLACES=525, PETRI_TRANSITIONS=522} [2024-11-23 23:51:07,720 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, -10 predicate places. [2024-11-23 23:51:07,721 INFO L471 AbstractCegarLoop]: Abstraction has has 525 places, 522 transitions, 1155 flow [2024-11-23 23:51:07,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.0) internal successors, (1629), 3 states have internal predecessors, (1629), 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) [2024-11-23 23:51:07,721 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:51:07,722 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:07,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-23 23:51:07,722 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:51:07,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:07,723 INFO L85 PathProgramCache]: Analyzing trace with hash -661863499, now seen corresponding path program 1 times [2024-11-23 23:51:07,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:07,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450190399] [2024-11-23 23:51:07,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:07,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:08,018 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-23 23:51:08,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:08,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450190399] [2024-11-23 23:51:08,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450190399] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:51:08,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751266087] [2024-11-23 23:51:08,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:08,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:51:08,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdacc462-e417-437d-be64-32e66e2652a5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:51:08,024 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdacc462-e417-437d-be64-32e66e2652a5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:51:08,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdacc462-e417-437d-be64-32e66e2652a5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:51:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:08,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 23:51:08,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:51:08,509 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-23 23:51:08,509 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:51:08,674 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-23 23:51:08,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1751266087] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:51:08,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:51:08,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-23 23:51:08,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212435297] [2024-11-23 23:51:08,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:51:08,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-23 23:51:08,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:08,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-23 23:51:08,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-23 23:51:09,546 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 515 out of 580 [2024-11-23 23:51:09,559 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 525 places, 522 transitions, 1155 flow. Second operand has 15 states, 15 states have (on average 518.4666666666667) internal successors, (7777), 15 states have internal predecessors, (7777), 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) [2024-11-23 23:51:09,562 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:51:09,563 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 515 of 580 [2024-11-23 23:51:09,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:51:10,368 INFO L124 PetriNetUnfolderBase]: 47/1715 cut-off events. [2024-11-23 23:51:10,368 INFO L125 PetriNetUnfolderBase]: For 20/31 co-relation queries the response was YES. [2024-11-23 23:51:10,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1942 conditions, 1715 events. 47/1715 cut-off events. For 20/31 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 8600 event pairs, 3 based on Foata normal form. 6/1535 useless extension candidates. Maximal degree in co-relation 1800. Up to 30 conditions per place. [2024-11-23 23:51:10,407 INFO L140 encePairwiseOnDemand]: 550/580 looper letters, 30 selfloop transitions, 39 changer transitions 0/546 dead transitions. [2024-11-23 23:51:10,407 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 546 transitions, 1347 flow [2024-11-23 23:51:10,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 23:51:10,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-23 23:51:10,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 5740 transitions. [2024-11-23 23:51:10,420 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8996865203761756 [2024-11-23 23:51:10,420 INFO L175 Difference]: Start difference. First operand has 525 places, 522 transitions, 1155 flow. Second operand 11 states and 5740 transitions. [2024-11-23 23:51:10,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 546 transitions, 1347 flow [2024-11-23 23:51:10,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 546 transitions, 1343 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:51:10,436 INFO L231 Difference]: Finished difference. Result has 536 places, 540 transitions, 1331 flow [2024-11-23 23:51:10,437 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1151, PETRI_DIFFERENCE_MINUEND_PLACES=523, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=522, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1331, PETRI_PLACES=536, PETRI_TRANSITIONS=540} [2024-11-23 23:51:10,437 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, 1 predicate places. [2024-11-23 23:51:10,437 INFO L471 AbstractCegarLoop]: Abstraction has has 536 places, 540 transitions, 1331 flow [2024-11-23 23:51:10,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 518.4666666666667) internal successors, (7777), 15 states have internal predecessors, (7777), 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) [2024-11-23 23:51:10,441 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:51:10,441 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:10,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdacc462-e417-437d-be64-32e66e2652a5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 23:51:10,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdacc462-e417-437d-be64-32e66e2652a5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-23 23:51:10,642 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:51:10,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:10,643 INFO L85 PathProgramCache]: Analyzing trace with hash 728608437, now seen corresponding path program 2 times [2024-11-23 23:51:10,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:10,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922087882] [2024-11-23 23:51:10,643 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 23:51:10,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:10,693 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 23:51:10,693 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:51:11,284 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:51:11,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:11,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922087882] [2024-11-23 23:51:11,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922087882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:11,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:11,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:51:11,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284665502] [2024-11-23 23:51:11,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:11,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:51:11,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:11,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:51:11,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:51:11,809 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 529 out of 580 [2024-11-23 23:51:11,811 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 536 places, 540 transitions, 1331 flow. Second operand has 6 states, 6 states have (on average 532.5) internal successors, (3195), 6 states have internal predecessors, (3195), 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) [2024-11-23 23:51:11,811 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:51:11,812 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 529 of 580 [2024-11-23 23:51:11,812 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:51:12,777 INFO L124 PetriNetUnfolderBase]: 100/2643 cut-off events. [2024-11-23 23:51:12,777 INFO L125 PetriNetUnfolderBase]: For 63/70 co-relation queries the response was YES. [2024-11-23 23:51:12,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3127 conditions, 2643 events. 100/2643 cut-off events. For 63/70 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 17485 event pairs, 9 based on Foata normal form. 0/2363 useless extension candidates. Maximal degree in co-relation 2992. Up to 79 conditions per place. [2024-11-23 23:51:12,812 INFO L140 encePairwiseOnDemand]: 574/580 looper letters, 30 selfloop transitions, 6 changer transitions 0/547 dead transitions. [2024-11-23 23:51:12,812 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 547 transitions, 1425 flow [2024-11-23 23:51:12,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:51:12,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-23 23:51:12,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3210 transitions. [2024-11-23 23:51:12,817 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9224137931034483 [2024-11-23 23:51:12,818 INFO L175 Difference]: Start difference. First operand has 536 places, 540 transitions, 1331 flow. Second operand 6 states and 3210 transitions. [2024-11-23 23:51:12,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 547 transitions, 1425 flow [2024-11-23 23:51:12,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 547 transitions, 1389 flow, removed 6 selfloop flow, removed 3 redundant places. [2024-11-23 23:51:12,830 INFO L231 Difference]: Finished difference. Result has 537 places, 539 transitions, 1305 flow [2024-11-23 23:51:12,831 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1293, PETRI_DIFFERENCE_MINUEND_PLACES=532, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=539, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=533, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1305, PETRI_PLACES=537, PETRI_TRANSITIONS=539} [2024-11-23 23:51:12,831 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, 2 predicate places. [2024-11-23 23:51:12,831 INFO L471 AbstractCegarLoop]: Abstraction has has 537 places, 539 transitions, 1305 flow [2024-11-23 23:51:12,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 532.5) internal successors, (3195), 6 states have internal predecessors, (3195), 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) [2024-11-23 23:51:12,833 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:51:12,833 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:12,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-23 23:51:12,834 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:51:12,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:12,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1425442464, now seen corresponding path program 1 times [2024-11-23 23:51:12,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:12,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102810481] [2024-11-23 23:51:12,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:12,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:12,987 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:51:12,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:12,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102810481] [2024-11-23 23:51:12,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102810481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:12,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:12,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:51:12,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77568495] [2024-11-23 23:51:12,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:12,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:51:12,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:12,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:51:12,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:51:13,002 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 544 out of 580 [2024-11-23 23:51:13,003 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 539 transitions, 1305 flow. Second operand has 3 states, 3 states have (on average 545.6666666666666) internal successors, (1637), 3 states have internal predecessors, (1637), 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) [2024-11-23 23:51:13,004 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:51:13,004 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 544 of 580 [2024-11-23 23:51:13,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:51:13,829 INFO L124 PetriNetUnfolderBase]: 125/3167 cut-off events. [2024-11-23 23:51:13,829 INFO L125 PetriNetUnfolderBase]: For 66/87 co-relation queries the response was YES. [2024-11-23 23:51:13,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3685 conditions, 3167 events. 125/3167 cut-off events. For 66/87 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 22664 event pairs, 15 based on Foata normal form. 1/2847 useless extension candidates. Maximal degree in co-relation 3355. Up to 118 conditions per place. [2024-11-23 23:51:13,873 INFO L140 encePairwiseOnDemand]: 576/580 looper letters, 16 selfloop transitions, 2 changer transitions 0/544 dead transitions. [2024-11-23 23:51:13,873 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 544 transitions, 1356 flow [2024-11-23 23:51:13,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:51:13,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:51:13,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1652 transitions. [2024-11-23 23:51:13,876 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9494252873563218 [2024-11-23 23:51:13,876 INFO L175 Difference]: Start difference. First operand has 537 places, 539 transitions, 1305 flow. Second operand 3 states and 1652 transitions. [2024-11-23 23:51:13,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 544 transitions, 1356 flow [2024-11-23 23:51:13,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 532 places, 544 transitions, 1344 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-23 23:51:13,887 INFO L231 Difference]: Finished difference. Result has 533 places, 539 transitions, 1303 flow [2024-11-23 23:51:13,887 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1289, PETRI_DIFFERENCE_MINUEND_PLACES=530, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=537, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=535, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1303, PETRI_PLACES=533, PETRI_TRANSITIONS=539} [2024-11-23 23:51:13,888 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, -2 predicate places. [2024-11-23 23:51:13,888 INFO L471 AbstractCegarLoop]: Abstraction has has 533 places, 539 transitions, 1303 flow [2024-11-23 23:51:13,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 545.6666666666666) internal successors, (1637), 3 states have internal predecessors, (1637), 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) [2024-11-23 23:51:13,889 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:51:13,889 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:13,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-23 23:51:13,890 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:51:13,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:13,891 INFO L85 PathProgramCache]: Analyzing trace with hash -375607354, now seen corresponding path program 1 times [2024-11-23 23:51:13,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:13,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018154919] [2024-11-23 23:51:13,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:13,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:14,035 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:51:14,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:14,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018154919] [2024-11-23 23:51:14,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018154919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:14,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:14,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:51:14,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924539353] [2024-11-23 23:51:14,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:14,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:51:14,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:14,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:51:14,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:51:14,068 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-11-23 23:51:14,070 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 533 places, 539 transitions, 1303 flow. Second operand has 3 states, 3 states have (on average 543.0) internal successors, (1629), 3 states have internal predecessors, (1629), 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) [2024-11-23 23:51:14,070 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:51:14,070 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-11-23 23:51:14,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:51:15,189 INFO L124 PetriNetUnfolderBase]: 248/3205 cut-off events. [2024-11-23 23:51:15,190 INFO L125 PetriNetUnfolderBase]: For 185/237 co-relation queries the response was YES. [2024-11-23 23:51:15,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3843 conditions, 3205 events. 248/3205 cut-off events. For 185/237 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 25359 event pairs, 54 based on Foata normal form. 0/2769 useless extension candidates. Maximal degree in co-relation 3514. Up to 320 conditions per place. [2024-11-23 23:51:15,277 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 15 selfloop transitions, 2 changer transitions 0/540 dead transitions. [2024-11-23 23:51:15,277 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 534 places, 540 transitions, 1341 flow [2024-11-23 23:51:15,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:51:15,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:51:15,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1641 transitions. [2024-11-23 23:51:15,280 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9431034482758621 [2024-11-23 23:51:15,280 INFO L175 Difference]: Start difference. First operand has 533 places, 539 transitions, 1303 flow. Second operand 3 states and 1641 transitions. [2024-11-23 23:51:15,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 534 places, 540 transitions, 1341 flow [2024-11-23 23:51:15,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 540 transitions, 1341 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-23 23:51:15,289 INFO L231 Difference]: Finished difference. Result has 534 places, 538 transitions, 1305 flow [2024-11-23 23:51:15,290 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1301, PETRI_DIFFERENCE_MINUEND_PLACES=532, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=538, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=536, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1305, PETRI_PLACES=534, PETRI_TRANSITIONS=538} [2024-11-23 23:51:15,290 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, -1 predicate places. [2024-11-23 23:51:15,290 INFO L471 AbstractCegarLoop]: Abstraction has has 534 places, 538 transitions, 1305 flow [2024-11-23 23:51:15,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.0) internal successors, (1629), 3 states have internal predecessors, (1629), 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) [2024-11-23 23:51:15,291 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:51:15,291 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:15,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-23 23:51:15,292 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:51:15,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:15,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1239073761, now seen corresponding path program 1 times [2024-11-23 23:51:15,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:15,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210867997] [2024-11-23 23:51:15,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:15,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:15,436 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:51:15,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:15,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210867997] [2024-11-23 23:51:15,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210867997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:15,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:15,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:51:15,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003690885] [2024-11-23 23:51:15,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:15,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:51:15,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:15,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:51:15,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:51:15,469 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 539 out of 580 [2024-11-23 23:51:15,470 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 538 transitions, 1305 flow. Second operand has 3 states, 3 states have (on average 540.6666666666666) internal successors, (1622), 3 states have internal predecessors, (1622), 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) [2024-11-23 23:51:15,471 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:51:15,471 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 539 of 580 [2024-11-23 23:51:15,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:51:16,720 INFO L124 PetriNetUnfolderBase]: 181/4365 cut-off events. [2024-11-23 23:51:16,721 INFO L125 PetriNetUnfolderBase]: For 75/238 co-relation queries the response was YES. [2024-11-23 23:51:16,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4918 conditions, 4365 events. 181/4365 cut-off events. For 75/238 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 33150 event pairs, 26 based on Foata normal form. 0/3856 useless extension candidates. Maximal degree in co-relation 4588. Up to 82 conditions per place. [2024-11-23 23:51:16,804 INFO L140 encePairwiseOnDemand]: 572/580 looper letters, 15 selfloop transitions, 5 changer transitions 0/540 dead transitions. [2024-11-23 23:51:16,804 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 533 places, 540 transitions, 1351 flow [2024-11-23 23:51:16,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:51:16,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:51:16,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1640 transitions. [2024-11-23 23:51:16,808 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9425287356321839 [2024-11-23 23:51:16,808 INFO L175 Difference]: Start difference. First operand has 534 places, 538 transitions, 1305 flow. Second operand 3 states and 1640 transitions. [2024-11-23 23:51:16,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 533 places, 540 transitions, 1351 flow [2024-11-23 23:51:16,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 531 places, 540 transitions, 1347 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:51:16,818 INFO L231 Difference]: Finished difference. Result has 533 places, 538 transitions, 1327 flow [2024-11-23 23:51:16,819 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1295, PETRI_DIFFERENCE_MINUEND_PLACES=529, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=535, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=530, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1327, PETRI_PLACES=533, PETRI_TRANSITIONS=538} [2024-11-23 23:51:16,819 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, -2 predicate places. [2024-11-23 23:51:16,820 INFO L471 AbstractCegarLoop]: Abstraction has has 533 places, 538 transitions, 1327 flow [2024-11-23 23:51:16,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 540.6666666666666) internal successors, (1622), 3 states have internal predecessors, (1622), 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) [2024-11-23 23:51:16,820 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:51:16,821 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:16,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-23 23:51:16,821 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:51:16,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:16,822 INFO L85 PathProgramCache]: Analyzing trace with hash 2028540388, now seen corresponding path program 1 times [2024-11-23 23:51:16,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:16,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673185878] [2024-11-23 23:51:16,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:16,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:16,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:17,018 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:51:17,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:17,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673185878] [2024-11-23 23:51:17,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673185878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:17,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:17,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:51:17,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133628927] [2024-11-23 23:51:17,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:17,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:51:17,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:17,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:51:17,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:51:17,072 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 580 [2024-11-23 23:51:17,074 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 533 places, 538 transitions, 1327 flow. Second operand has 4 states, 4 states have (on average 544.5) internal successors, (2178), 4 states have internal predecessors, (2178), 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) [2024-11-23 23:51:17,074 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:51:17,074 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 580 [2024-11-23 23:51:17,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:51:18,638 INFO L124 PetriNetUnfolderBase]: 197/4935 cut-off events. [2024-11-23 23:51:18,639 INFO L125 PetriNetUnfolderBase]: For 140/347 co-relation queries the response was YES. [2024-11-23 23:51:18,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5650 conditions, 4935 events. 197/4935 cut-off events. For 140/347 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 40216 event pairs, 45 based on Foata normal form. 4/4378 useless extension candidates. Maximal degree in co-relation 5319. Up to 105 conditions per place. [2024-11-23 23:51:18,704 INFO L140 encePairwiseOnDemand]: 575/580 looper letters, 25 selfloop transitions, 4 changer transitions 0/552 dead transitions. [2024-11-23 23:51:18,704 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 552 transitions, 1421 flow [2024-11-23 23:51:18,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:51:18,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-23 23:51:18,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2745 transitions. [2024-11-23 23:51:18,709 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.946551724137931 [2024-11-23 23:51:18,709 INFO L175 Difference]: Start difference. First operand has 533 places, 538 transitions, 1327 flow. Second operand 5 states and 2745 transitions. [2024-11-23 23:51:18,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 552 transitions, 1421 flow [2024-11-23 23:51:18,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 535 places, 552 transitions, 1411 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:51:18,715 INFO L231 Difference]: Finished difference. Result has 538 places, 540 transitions, 1342 flow [2024-11-23 23:51:18,716 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1313, PETRI_DIFFERENCE_MINUEND_PLACES=531, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=537, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=533, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1342, PETRI_PLACES=538, PETRI_TRANSITIONS=540} [2024-11-23 23:51:18,716 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, 3 predicate places. [2024-11-23 23:51:18,716 INFO L471 AbstractCegarLoop]: Abstraction has has 538 places, 540 transitions, 1342 flow [2024-11-23 23:51:18,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 544.5) internal successors, (2178), 4 states have internal predecessors, (2178), 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) [2024-11-23 23:51:18,717 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:51:18,717 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:18,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-23 23:51:18,718 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:51:18,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:18,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1252154537, now seen corresponding path program 1 times [2024-11-23 23:51:18,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:18,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976055712] [2024-11-23 23:51:18,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:18,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:19,187 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-23 23:51:19,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:19,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976055712] [2024-11-23 23:51:19,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976055712] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:51:19,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1788188558] [2024-11-23 23:51:19,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:19,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:51:19,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdacc462-e417-437d-be64-32e66e2652a5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:51:19,191 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdacc462-e417-437d-be64-32e66e2652a5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:51:19,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdacc462-e417-437d-be64-32e66e2652a5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:51:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:19,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-23 23:51:19,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:51:19,853 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-23 23:51:19,853 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:51:20,104 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-23 23:51:20,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1788188558] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:51:20,105 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:51:20,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2024-11-23 23:51:20,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222637980] [2024-11-23 23:51:20,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:51:20,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-23 23:51:20,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:20,108 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-23 23:51:20,108 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2024-11-23 23:51:20,945 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 515 out of 580 [2024-11-23 23:51:20,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 538 places, 540 transitions, 1342 flow. Second operand has 22 states, 22 states have (on average 518.1363636363636) internal successors, (11399), 22 states have internal predecessors, (11399), 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) [2024-11-23 23:51:20,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:51:20,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 515 of 580 [2024-11-23 23:51:20,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:51:22,252 INFO L124 PetriNetUnfolderBase]: 58/2449 cut-off events. [2024-11-23 23:51:22,252 INFO L125 PetriNetUnfolderBase]: For 75/94 co-relation queries the response was YES. [2024-11-23 23:51:22,272 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2904 conditions, 2449 events. 58/2449 cut-off events. For 75/94 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 14393 event pairs, 7 based on Foata normal form. 6/2225 useless extension candidates. Maximal degree in co-relation 2673. Up to 44 conditions per place. [2024-11-23 23:51:22,280 INFO L140 encePairwiseOnDemand]: 550/580 looper letters, 36 selfloop transitions, 57 changer transitions 0/570 dead transitions. [2024-11-23 23:51:22,280 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 554 places, 570 transitions, 1672 flow [2024-11-23 23:51:22,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-23 23:51:22,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-23 23:51:22,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 8854 transitions. [2024-11-23 23:51:22,289 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.897971602434077 [2024-11-23 23:51:22,289 INFO L175 Difference]: Start difference. First operand has 538 places, 540 transitions, 1342 flow. Second operand 17 states and 8854 transitions. [2024-11-23 23:51:22,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 554 places, 570 transitions, 1672 flow [2024-11-23 23:51:22,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 554 places, 570 transitions, 1672 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-23 23:51:22,298 INFO L231 Difference]: Finished difference. Result has 557 places, 561 transitions, 1618 flow [2024-11-23 23:51:22,299 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1342, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=540, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=495, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1618, PETRI_PLACES=557, PETRI_TRANSITIONS=561} [2024-11-23 23:51:22,299 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, 22 predicate places. [2024-11-23 23:51:22,299 INFO L471 AbstractCegarLoop]: Abstraction has has 557 places, 561 transitions, 1618 flow [2024-11-23 23:51:22,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 518.1363636363636) internal successors, (11399), 22 states have internal predecessors, (11399), 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) [2024-11-23 23:51:22,302 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:51:22,302 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:22,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdacc462-e417-437d-be64-32e66e2652a5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 23:51:22,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdacc462-e417-437d-be64-32e66e2652a5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-23 23:51:22,503 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:51:22,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:22,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1194498135, now seen corresponding path program 2 times [2024-11-23 23:51:22,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:22,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771438872] [2024-11-23 23:51:22,504 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 23:51:22,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:22,576 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 23:51:22,576 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:51:23,123 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-23 23:51:23,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:23,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771438872] [2024-11-23 23:51:23,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771438872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:23,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:23,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:51:23,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574100055] [2024-11-23 23:51:23,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:23,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:51:23,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:23,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:51:23,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:51:23,719 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 529 out of 580 [2024-11-23 23:51:23,722 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 557 places, 561 transitions, 1618 flow. Second operand has 6 states, 6 states have (on average 532.6666666666666) internal successors, (3196), 6 states have internal predecessors, (3196), 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) [2024-11-23 23:51:23,722 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:51:23,722 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 529 of 580 [2024-11-23 23:51:23,722 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:51:25,215 INFO L124 PetriNetUnfolderBase]: 153/3889 cut-off events. [2024-11-23 23:51:25,215 INFO L125 PetriNetUnfolderBase]: For 188/426 co-relation queries the response was YES. [2024-11-23 23:51:25,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4670 conditions, 3889 events. 153/3889 cut-off events. For 188/426 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 27374 event pairs, 17 based on Foata normal form. 16/3506 useless extension candidates. Maximal degree in co-relation 4427. Up to 139 conditions per place. [2024-11-23 23:51:25,262 INFO L140 encePairwiseOnDemand]: 574/580 looper letters, 30 selfloop transitions, 6 changer transitions 0/568 dead transitions. [2024-11-23 23:51:25,262 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 561 places, 568 transitions, 1712 flow [2024-11-23 23:51:25,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:51:25,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-23 23:51:25,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3210 transitions. [2024-11-23 23:51:25,265 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9224137931034483 [2024-11-23 23:51:25,265 INFO L175 Difference]: Start difference. First operand has 557 places, 561 transitions, 1618 flow. Second operand 6 states and 3210 transitions. [2024-11-23 23:51:25,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 561 places, 568 transitions, 1712 flow [2024-11-23 23:51:25,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 553 places, 568 transitions, 1634 flow, removed 12 selfloop flow, removed 8 redundant places. [2024-11-23 23:51:25,278 INFO L231 Difference]: Finished difference. Result has 553 places, 560 transitions, 1550 flow [2024-11-23 23:51:25,279 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1538, PETRI_DIFFERENCE_MINUEND_PLACES=548, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=560, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=554, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1550, PETRI_PLACES=553, PETRI_TRANSITIONS=560} [2024-11-23 23:51:25,279 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, 18 predicate places. [2024-11-23 23:51:25,280 INFO L471 AbstractCegarLoop]: Abstraction has has 553 places, 560 transitions, 1550 flow [2024-11-23 23:51:25,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 532.6666666666666) internal successors, (3196), 6 states have internal predecessors, (3196), 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) [2024-11-23 23:51:25,281 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:51:25,281 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:25,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-23 23:51:25,281 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:51:25,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:25,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1299498137, now seen corresponding path program 1 times [2024-11-23 23:51:25,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:25,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878911932] [2024-11-23 23:51:25,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:25,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:25,470 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-23 23:51:25,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:25,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878911932] [2024-11-23 23:51:25,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878911932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:25,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:25,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:51:25,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848986044] [2024-11-23 23:51:25,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:25,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:51:25,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:25,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:51:25,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:51:25,507 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-11-23 23:51:25,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 553 places, 560 transitions, 1550 flow. Second operand has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-11-23 23:51:25,508 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:51:25,508 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-11-23 23:51:25,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:51:28,123 INFO L124 PetriNetUnfolderBase]: 293/6675 cut-off events. [2024-11-23 23:51:28,123 INFO L125 PetriNetUnfolderBase]: For 277/810 co-relation queries the response was YES. [2024-11-23 23:51:28,193 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7687 conditions, 6675 events. 293/6675 cut-off events. For 277/810 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 60853 event pairs, 86 based on Foata normal form. 7/5905 useless extension candidates. Maximal degree in co-relation 7174. Up to 213 conditions per place. [2024-11-23 23:51:28,217 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 17 selfloop transitions, 2 changer transitions 0/561 dead transitions. [2024-11-23 23:51:28,217 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 554 places, 561 transitions, 1592 flow [2024-11-23 23:51:28,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:51:28,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:51:28,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1641 transitions. [2024-11-23 23:51:28,220 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9431034482758621 [2024-11-23 23:51:28,220 INFO L175 Difference]: Start difference. First operand has 553 places, 560 transitions, 1550 flow. Second operand 3 states and 1641 transitions. [2024-11-23 23:51:28,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 554 places, 561 transitions, 1592 flow [2024-11-23 23:51:28,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 549 places, 561 transitions, 1580 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-23 23:51:28,229 INFO L231 Difference]: Finished difference. Result has 549 places, 559 transitions, 1540 flow [2024-11-23 23:51:28,230 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1536, PETRI_DIFFERENCE_MINUEND_PLACES=547, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=559, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=557, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1540, PETRI_PLACES=549, PETRI_TRANSITIONS=559} [2024-11-23 23:51:28,230 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, 14 predicate places. [2024-11-23 23:51:28,230 INFO L471 AbstractCegarLoop]: Abstraction has has 549 places, 559 transitions, 1540 flow [2024-11-23 23:51:28,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-11-23 23:51:28,231 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:51:28,231 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:28,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-23 23:51:28,231 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread3Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:51:28,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:28,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1489455793, now seen corresponding path program 1 times [2024-11-23 23:51:28,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:28,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639368537] [2024-11-23 23:51:28,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:28,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:28,451 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-23 23:51:28,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:28,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639368537] [2024-11-23 23:51:28,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639368537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:28,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:28,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:51:28,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984835242] [2024-11-23 23:51:28,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:28,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:51:28,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:28,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:51:28,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:51:28,482 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 539 out of 580 [2024-11-23 23:51:28,484 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 549 places, 559 transitions, 1540 flow. Second operand has 3 states, 3 states have (on average 541.0) internal successors, (1623), 3 states have internal predecessors, (1623), 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) [2024-11-23 23:51:28,484 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:51:28,484 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 539 of 580 [2024-11-23 23:51:28,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:51:30,668 INFO L124 PetriNetUnfolderBase]: 344/6028 cut-off events. [2024-11-23 23:51:30,669 INFO L125 PetriNetUnfolderBase]: For 319/360 co-relation queries the response was YES. [2024-11-23 23:51:30,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7069 conditions, 6028 events. 344/6028 cut-off events. For 319/360 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 54442 event pairs, 84 based on Foata normal form. 24/5339 useless extension candidates. Maximal degree in co-relation 6556. Up to 316 conditions per place. [2024-11-23 23:51:30,725 INFO L140 encePairwiseOnDemand]: 572/580 looper letters, 13 selfloop transitions, 4 changer transitions 12/561 dead transitions. [2024-11-23 23:51:30,725 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 548 places, 561 transitions, 1584 flow [2024-11-23 23:51:30,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:51:30,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:51:30,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1639 transitions. [2024-11-23 23:51:30,728 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9419540229885057 [2024-11-23 23:51:30,728 INFO L175 Difference]: Start difference. First operand has 549 places, 559 transitions, 1540 flow. Second operand 3 states and 1639 transitions. [2024-11-23 23:51:30,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 548 places, 561 transitions, 1584 flow [2024-11-23 23:51:30,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 561 transitions, 1580 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:51:30,734 INFO L231 Difference]: Finished difference. Result has 548 places, 547 transitions, 1529 flow [2024-11-23 23:51:30,735 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1530, PETRI_DIFFERENCE_MINUEND_PLACES=544, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=556, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=552, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1529, PETRI_PLACES=548, PETRI_TRANSITIONS=547} [2024-11-23 23:51:30,735 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, 13 predicate places. [2024-11-23 23:51:30,735 INFO L471 AbstractCegarLoop]: Abstraction has has 548 places, 547 transitions, 1529 flow [2024-11-23 23:51:30,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 541.0) internal successors, (1623), 3 states have internal predecessors, (1623), 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) [2024-11-23 23:51:30,735 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:51:30,736 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:30,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-23 23:51:30,736 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:51:30,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:30,737 INFO L85 PathProgramCache]: Analyzing trace with hash -586717444, now seen corresponding path program 1 times [2024-11-23 23:51:30,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:30,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970546951] [2024-11-23 23:51:30,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:30,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:32,076 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-23 23:51:32,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:32,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970546951] [2024-11-23 23:51:32,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970546951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:32,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:32,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:51:32,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234836095] [2024-11-23 23:51:32,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:32,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:51:32,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:32,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:51:32,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:51:32,584 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 529 out of 580 [2024-11-23 23:51:32,585 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 548 places, 547 transitions, 1529 flow. Second operand has 6 states, 6 states have (on average 532.5) internal successors, (3195), 6 states have internal predecessors, (3195), 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) [2024-11-23 23:51:32,586 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:51:32,586 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 529 of 580 [2024-11-23 23:51:32,586 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:51:34,222 INFO L124 PetriNetUnfolderBase]: 160/4421 cut-off events. [2024-11-23 23:51:34,222 INFO L125 PetriNetUnfolderBase]: For 223/260 co-relation queries the response was YES. [2024-11-23 23:51:34,292 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5458 conditions, 4421 events. 160/4421 cut-off events. For 223/260 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 32519 event pairs, 22 based on Foata normal form. 8/4058 useless extension candidates. Maximal degree in co-relation 5392. Up to 126 conditions per place. [2024-11-23 23:51:34,310 INFO L140 encePairwiseOnDemand]: 574/580 looper letters, 29 selfloop transitions, 6 changer transitions 0/554 dead transitions. [2024-11-23 23:51:34,310 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 554 transitions, 1621 flow [2024-11-23 23:51:34,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:51:34,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-23 23:51:34,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3209 transitions. [2024-11-23 23:51:34,314 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9221264367816092 [2024-11-23 23:51:34,314 INFO L175 Difference]: Start difference. First operand has 548 places, 547 transitions, 1529 flow. Second operand 6 states and 3209 transitions. [2024-11-23 23:51:34,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 554 transitions, 1621 flow [2024-11-23 23:51:34,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 554 transitions, 1613 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:51:34,326 INFO L231 Difference]: Finished difference. Result has 539 places, 546 transitions, 1531 flow [2024-11-23 23:51:34,327 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1519, PETRI_DIFFERENCE_MINUEND_PLACES=534, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1531, PETRI_PLACES=539, PETRI_TRANSITIONS=546} [2024-11-23 23:51:34,327 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, 4 predicate places. [2024-11-23 23:51:34,327 INFO L471 AbstractCegarLoop]: Abstraction has has 539 places, 546 transitions, 1531 flow [2024-11-23 23:51:34,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 532.5) internal successors, (3195), 6 states have internal predecessors, (3195), 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) [2024-11-23 23:51:34,328 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:51:34,328 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:34,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-23 23:51:34,329 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:51:34,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:34,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1156392148, now seen corresponding path program 1 times [2024-11-23 23:51:34,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:34,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439528249] [2024-11-23 23:51:34,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:34,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:34,496 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-23 23:51:34,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:34,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439528249] [2024-11-23 23:51:34,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439528249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:34,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:34,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:51:34,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267100506] [2024-11-23 23:51:34,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:34,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:51:34,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:34,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:51:34,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:51:34,511 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 544 out of 580 [2024-11-23 23:51:34,512 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 546 transitions, 1531 flow. Second operand has 3 states, 3 states have (on average 545.6666666666666) internal successors, (1637), 3 states have internal predecessors, (1637), 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) [2024-11-23 23:51:34,512 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:51:34,512 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 544 of 580 [2024-11-23 23:51:34,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:51:37,609 INFO L124 PetriNetUnfolderBase]: 480/10385 cut-off events. [2024-11-23 23:51:37,609 INFO L125 PetriNetUnfolderBase]: For 298/315 co-relation queries the response was YES. [2024-11-23 23:51:37,779 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12050 conditions, 10385 events. 480/10385 cut-off events. For 298/315 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 106810 event pairs, 141 based on Foata normal form. 1/9408 useless extension candidates. Maximal degree in co-relation 11536. Up to 573 conditions per place. [2024-11-23 23:51:37,816 INFO L140 encePairwiseOnDemand]: 576/580 looper letters, 13 selfloop transitions, 2 changer transitions 0/549 dead transitions. [2024-11-23 23:51:37,816 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 549 transitions, 1570 flow [2024-11-23 23:51:37,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:51:37,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:51:37,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2024-11-23 23:51:37,818 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9477011494252874 [2024-11-23 23:51:37,818 INFO L175 Difference]: Start difference. First operand has 539 places, 546 transitions, 1531 flow. Second operand 3 states and 1649 transitions. [2024-11-23 23:51:37,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 549 transitions, 1570 flow [2024-11-23 23:51:37,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 549 transitions, 1558 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-23 23:51:37,827 INFO L231 Difference]: Finished difference. Result has 535 places, 546 transitions, 1529 flow [2024-11-23 23:51:37,828 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1515, PETRI_DIFFERENCE_MINUEND_PLACES=532, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1529, PETRI_PLACES=535, PETRI_TRANSITIONS=546} [2024-11-23 23:51:37,829 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, 0 predicate places. [2024-11-23 23:51:37,829 INFO L471 AbstractCegarLoop]: Abstraction has has 535 places, 546 transitions, 1529 flow [2024-11-23 23:51:37,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 545.6666666666666) internal successors, (1637), 3 states have internal predecessors, (1637), 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) [2024-11-23 23:51:37,829 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:51:37,829 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:37,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-23 23:51:37,829 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:51:37,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:37,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1039245796, now seen corresponding path program 1 times [2024-11-23 23:51:37,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:37,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689219168] [2024-11-23 23:51:37,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:37,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:38,058 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-23 23:51:38,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:38,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689219168] [2024-11-23 23:51:38,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689219168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:38,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:38,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:51:38,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648783398] [2024-11-23 23:51:38,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:38,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:51:38,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:38,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:51:38,060 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:51:38,107 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 580 [2024-11-23 23:51:38,108 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 546 transitions, 1529 flow. Second operand has 4 states, 4 states have (on average 544.75) internal successors, (2179), 4 states have internal predecessors, (2179), 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) [2024-11-23 23:51:38,108 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:51:38,109 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 580 [2024-11-23 23:51:38,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:51:41,117 INFO L124 PetriNetUnfolderBase]: 464/8938 cut-off events. [2024-11-23 23:51:41,117 INFO L125 PetriNetUnfolderBase]: For 450/487 co-relation queries the response was YES. [2024-11-23 23:51:41,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10867 conditions, 8938 events. 464/8938 cut-off events. For 450/487 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 94195 event pairs, 188 based on Foata normal form. 0/7998 useless extension candidates. Maximal degree in co-relation 10353. Up to 519 conditions per place. [2024-11-23 23:51:41,266 INFO L140 encePairwiseOnDemand]: 575/580 looper letters, 20 selfloop transitions, 4 changer transitions 0/556 dead transitions. [2024-11-23 23:51:41,266 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 556 transitions, 1601 flow [2024-11-23 23:51:41,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:51:41,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-23 23:51:41,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2740 transitions. [2024-11-23 23:51:41,269 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9448275862068966 [2024-11-23 23:51:41,269 INFO L175 Difference]: Start difference. First operand has 535 places, 546 transitions, 1529 flow. Second operand 5 states and 2740 transitions. [2024-11-23 23:51:41,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 556 transitions, 1601 flow [2024-11-23 23:51:41,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 556 transitions, 1601 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-23 23:51:41,282 INFO L231 Difference]: Finished difference. Result has 542 places, 548 transitions, 1554 flow [2024-11-23 23:51:41,283 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1525, PETRI_DIFFERENCE_MINUEND_PLACES=535, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=545, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1554, PETRI_PLACES=542, PETRI_TRANSITIONS=548} [2024-11-23 23:51:41,283 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, 7 predicate places. [2024-11-23 23:51:41,283 INFO L471 AbstractCegarLoop]: Abstraction has has 542 places, 548 transitions, 1554 flow [2024-11-23 23:51:41,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 544.75) internal successors, (2179), 4 states have internal predecessors, (2179), 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) [2024-11-23 23:51:41,284 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:51:41,284 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:41,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-23 23:51:41,284 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:51:41,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:41,286 INFO L85 PathProgramCache]: Analyzing trace with hash -542799903, now seen corresponding path program 1 times [2024-11-23 23:51:41,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:41,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611029893] [2024-11-23 23:51:41,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:41,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:42,535 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-23 23:51:42,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:42,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611029893] [2024-11-23 23:51:42,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611029893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:42,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:42,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:51:42,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761457345] [2024-11-23 23:51:42,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:42,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:51:42,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:42,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:51:42,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:51:43,063 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 529 out of 580 [2024-11-23 23:51:43,065 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 548 transitions, 1554 flow. Second operand has 6 states, 6 states have (on average 532.8333333333334) internal successors, (3197), 6 states have internal predecessors, (3197), 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) [2024-11-23 23:51:43,065 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:51:43,065 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 529 of 580 [2024-11-23 23:51:43,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:51:46,041 INFO L124 PetriNetUnfolderBase]: 462/8687 cut-off events. [2024-11-23 23:51:46,041 INFO L125 PetriNetUnfolderBase]: For 703/754 co-relation queries the response was YES. [2024-11-23 23:51:46,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11117 conditions, 8687 events. 462/8687 cut-off events. For 703/754 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 90553 event pairs, 78 based on Foata normal form. 0/7980 useless extension candidates. Maximal degree in co-relation 10538. Up to 282 conditions per place. [2024-11-23 23:51:46,221 INFO L140 encePairwiseOnDemand]: 574/580 looper letters, 29 selfloop transitions, 6 changer transitions 0/555 dead transitions. [2024-11-23 23:51:46,221 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 555 transitions, 1646 flow [2024-11-23 23:51:46,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:51:46,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-23 23:51:46,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3209 transitions. [2024-11-23 23:51:46,225 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9221264367816092 [2024-11-23 23:51:46,225 INFO L175 Difference]: Start difference. First operand has 542 places, 548 transitions, 1554 flow. Second operand 6 states and 3209 transitions. [2024-11-23 23:51:46,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 555 transitions, 1646 flow [2024-11-23 23:51:46,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 555 transitions, 1646 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-23 23:51:46,238 INFO L231 Difference]: Finished difference. Result has 546 places, 547 transitions, 1564 flow [2024-11-23 23:51:46,239 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1552, PETRI_DIFFERENCE_MINUEND_PLACES=541, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=547, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1564, PETRI_PLACES=546, PETRI_TRANSITIONS=547} [2024-11-23 23:51:46,239 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, 11 predicate places. [2024-11-23 23:51:46,239 INFO L471 AbstractCegarLoop]: Abstraction has has 546 places, 547 transitions, 1564 flow [2024-11-23 23:51:46,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 532.8333333333334) internal successors, (3197), 6 states have internal predecessors, (3197), 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) [2024-11-23 23:51:46,240 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:51:46,241 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:46,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-23 23:51:46,241 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:51:46,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:46,243 INFO L85 PathProgramCache]: Analyzing trace with hash -647799905, now seen corresponding path program 1 times [2024-11-23 23:51:46,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:46,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386430929] [2024-11-23 23:51:46,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:46,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:46,388 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-23 23:51:46,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:46,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386430929] [2024-11-23 23:51:46,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386430929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:46,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:46,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:51:46,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069768482] [2024-11-23 23:51:46,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:46,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:51:46,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:46,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:51:46,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:51:46,424 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-11-23 23:51:46,425 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 546 places, 547 transitions, 1564 flow. Second operand has 3 states, 3 states have (on average 543.6666666666666) internal successors, (1631), 3 states have internal predecessors, (1631), 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) [2024-11-23 23:51:46,425 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:51:46,425 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-11-23 23:51:46,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:51:49,186 INFO L124 PetriNetUnfolderBase]: 676/8755 cut-off events. [2024-11-23 23:51:49,186 INFO L125 PetriNetUnfolderBase]: For 1131/1172 co-relation queries the response was YES. [2024-11-23 23:51:49,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11996 conditions, 8755 events. 676/8755 cut-off events. For 1131/1172 co-relation queries the response was YES. Maximal size of possible extension queue 268. Compared 94491 event pairs, 366 based on Foata normal form. 0/8004 useless extension candidates. Maximal degree in co-relation 11478. Up to 936 conditions per place. [2024-11-23 23:51:49,357 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 14 selfloop transitions, 2 changer transitions 1/548 dead transitions. [2024-11-23 23:51:49,357 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 548 transitions, 1602 flow [2024-11-23 23:51:49,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:51:49,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:51:49,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1639 transitions. [2024-11-23 23:51:49,359 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9419540229885057 [2024-11-23 23:51:49,359 INFO L175 Difference]: Start difference. First operand has 546 places, 547 transitions, 1564 flow. Second operand 3 states and 1639 transitions. [2024-11-23 23:51:49,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 547 places, 548 transitions, 1602 flow [2024-11-23 23:51:49,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 548 transitions, 1590 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-23 23:51:49,375 INFO L231 Difference]: Finished difference. Result has 542 places, 546 transitions, 1554 flow [2024-11-23 23:51:49,376 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1550, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=544, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1554, PETRI_PLACES=542, PETRI_TRANSITIONS=546} [2024-11-23 23:51:49,376 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, 7 predicate places. [2024-11-23 23:51:49,376 INFO L471 AbstractCegarLoop]: Abstraction has has 542 places, 546 transitions, 1554 flow [2024-11-23 23:51:49,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.6666666666666) internal successors, (1631), 3 states have internal predecessors, (1631), 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) [2024-11-23 23:51:49,377 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:51:49,377 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:49,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-23 23:51:49,377 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:51:49,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:49,379 INFO L85 PathProgramCache]: Analyzing trace with hash -180792080, now seen corresponding path program 1 times [2024-11-23 23:51:49,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:49,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584085518] [2024-11-23 23:51:49,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:49,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:50,520 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-23 23:51:50,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:50,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584085518] [2024-11-23 23:51:50,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584085518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:50,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:50,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:51:50,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694509571] [2024-11-23 23:51:50,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:50,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:51:50,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:50,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:51:50,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:51:50,924 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 529 out of 580 [2024-11-23 23:51:50,925 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 546 transitions, 1554 flow. Second operand has 6 states, 6 states have (on average 532.6666666666666) internal successors, (3196), 6 states have internal predecessors, (3196), 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) [2024-11-23 23:51:50,925 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:51:50,925 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 529 of 580 [2024-11-23 23:51:50,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:51:53,458 INFO L124 PetriNetUnfolderBase]: 216/6466 cut-off events. [2024-11-23 23:51:53,459 INFO L125 PetriNetUnfolderBase]: For 345/427 co-relation queries the response was YES. [2024-11-23 23:51:53,590 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8091 conditions, 6466 events. 216/6466 cut-off events. For 345/427 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 55472 event pairs, 39 based on Foata normal form. 2/6077 useless extension candidates. Maximal degree in co-relation 7905. Up to 152 conditions per place. [2024-11-23 23:51:53,612 INFO L140 encePairwiseOnDemand]: 574/580 looper letters, 29 selfloop transitions, 6 changer transitions 0/553 dead transitions. [2024-11-23 23:51:53,612 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 553 transitions, 1646 flow [2024-11-23 23:51:53,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:51:53,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-23 23:51:53,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3209 transitions. [2024-11-23 23:51:53,615 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9221264367816092 [2024-11-23 23:51:53,615 INFO L175 Difference]: Start difference. First operand has 542 places, 546 transitions, 1554 flow. Second operand 6 states and 3209 transitions. [2024-11-23 23:51:53,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 553 transitions, 1646 flow [2024-11-23 23:51:53,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 544 places, 553 transitions, 1642 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:51:53,628 INFO L231 Difference]: Finished difference. Result has 544 places, 545 transitions, 1560 flow [2024-11-23 23:51:53,629 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1548, PETRI_DIFFERENCE_MINUEND_PLACES=539, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=545, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1560, PETRI_PLACES=544, PETRI_TRANSITIONS=545} [2024-11-23 23:51:53,629 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, 9 predicate places. [2024-11-23 23:51:53,630 INFO L471 AbstractCegarLoop]: Abstraction has has 544 places, 545 transitions, 1560 flow [2024-11-23 23:51:53,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 532.6666666666666) internal successors, (3196), 6 states have internal predecessors, (3196), 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) [2024-11-23 23:51:53,630 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:51:53,631 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:53,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-23 23:51:53,631 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:51:53,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:53,633 INFO L85 PathProgramCache]: Analyzing trace with hash 693006632, now seen corresponding path program 1 times [2024-11-23 23:51:53,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:53,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932243224] [2024-11-23 23:51:53,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:53,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:54,568 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-23 23:51:54,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:54,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932243224] [2024-11-23 23:51:54,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932243224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:54,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:54,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:51:54,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732147601] [2024-11-23 23:51:54,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:54,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:51:54,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:54,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:51:54,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:51:55,013 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 529 out of 580 [2024-11-23 23:51:55,014 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 544 places, 545 transitions, 1560 flow. Second operand has 6 states, 6 states have (on average 532.8333333333334) internal successors, (3197), 6 states have internal predecessors, (3197), 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) [2024-11-23 23:51:55,014 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:51:55,014 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 529 of 580 [2024-11-23 23:51:55,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:51:57,994 INFO L124 PetriNetUnfolderBase]: 512/8653 cut-off events. [2024-11-23 23:51:57,994 INFO L125 PetriNetUnfolderBase]: For 772/813 co-relation queries the response was YES. [2024-11-23 23:51:58,066 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11257 conditions, 8653 events. 512/8653 cut-off events. For 772/813 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 90477 event pairs, 76 based on Foata normal form. 8/8123 useless extension candidates. Maximal degree in co-relation 10678. Up to 320 conditions per place. [2024-11-23 23:51:58,080 INFO L140 encePairwiseOnDemand]: 574/580 looper letters, 29 selfloop transitions, 6 changer transitions 0/552 dead transitions. [2024-11-23 23:51:58,081 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 548 places, 552 transitions, 1652 flow [2024-11-23 23:51:58,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:51:58,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-23 23:51:58,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3209 transitions. [2024-11-23 23:51:58,083 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9221264367816092 [2024-11-23 23:51:58,083 INFO L175 Difference]: Start difference. First operand has 544 places, 545 transitions, 1560 flow. Second operand 6 states and 3209 transitions. [2024-11-23 23:51:58,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 548 places, 552 transitions, 1652 flow [2024-11-23 23:51:58,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 543 places, 552 transitions, 1640 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-23 23:51:58,091 INFO L231 Difference]: Finished difference. Result has 543 places, 544 transitions, 1558 flow [2024-11-23 23:51:58,092 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1546, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=538, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1558, PETRI_PLACES=543, PETRI_TRANSITIONS=544} [2024-11-23 23:51:58,092 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, 8 predicate places. [2024-11-23 23:51:58,092 INFO L471 AbstractCegarLoop]: Abstraction has has 543 places, 544 transitions, 1558 flow [2024-11-23 23:51:58,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 532.8333333333334) internal successors, (3197), 6 states have internal predecessors, (3197), 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) [2024-11-23 23:51:58,093 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:51:58,093 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:58,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-23 23:51:58,093 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:51:58,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:58,094 INFO L85 PathProgramCache]: Analyzing trace with hash 21516268, now seen corresponding path program 1 times [2024-11-23 23:51:58,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:58,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837654844] [2024-11-23 23:51:58,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:58,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:58,253 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-11-23 23:51:58,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:58,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837654844] [2024-11-23 23:51:58,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837654844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:58,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:58,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:51:58,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289759306] [2024-11-23 23:51:58,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:58,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:51:58,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:58,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:51:58,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:51:58,285 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-11-23 23:51:58,286 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 544 transitions, 1558 flow. Second operand has 3 states, 3 states have (on average 542.6666666666666) internal successors, (1628), 3 states have internal predecessors, (1628), 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) [2024-11-23 23:51:58,286 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:51:58,286 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-11-23 23:51:58,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:52:01,265 INFO L124 PetriNetUnfolderBase]: 226/7968 cut-off events. [2024-11-23 23:52:01,265 INFO L125 PetriNetUnfolderBase]: For 376/602 co-relation queries the response was YES. [2024-11-23 23:52:01,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10222 conditions, 7968 events. 226/7968 cut-off events. For 376/602 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 73768 event pairs, 84 based on Foata normal form. 10/7639 useless extension candidates. Maximal degree in co-relation 10060. Up to 301 conditions per place. [2024-11-23 23:52:01,351 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 14 selfloop transitions, 3 changer transitions 0/545 dead transitions. [2024-11-23 23:52:01,351 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 545 transitions, 1596 flow [2024-11-23 23:52:01,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:52:01,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:52:01,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1639 transitions. [2024-11-23 23:52:01,353 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9419540229885057 [2024-11-23 23:52:01,353 INFO L175 Difference]: Start difference. First operand has 543 places, 544 transitions, 1558 flow. Second operand 3 states and 1639 transitions. [2024-11-23 23:52:01,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 545 transitions, 1596 flow [2024-11-23 23:52:01,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 545 transitions, 1584 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-23 23:52:01,361 INFO L231 Difference]: Finished difference. Result has 539 places, 543 transitions, 1550 flow [2024-11-23 23:52:01,361 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1544, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=543, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1550, PETRI_PLACES=539, PETRI_TRANSITIONS=543} [2024-11-23 23:52:01,362 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, 4 predicate places. [2024-11-23 23:52:01,362 INFO L471 AbstractCegarLoop]: Abstraction has has 539 places, 543 transitions, 1550 flow [2024-11-23 23:52:01,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 542.6666666666666) internal successors, (1628), 3 states have internal predecessors, (1628), 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) [2024-11-23 23:52:01,362 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:52:01,362 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:52:01,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-23 23:52:01,362 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:52:01,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:52:01,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1262165472, now seen corresponding path program 1 times [2024-11-23 23:52:01,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:52:01,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494758075] [2024-11-23 23:52:01,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:52:01,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:52:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:52:01,579 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2024-11-23 23:52:01,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:52:01,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494758075] [2024-11-23 23:52:01,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494758075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:52:01,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:52:01,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:52:01,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999788467] [2024-11-23 23:52:01,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:52:01,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:52:01,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:52:01,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:52:01,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:52:01,618 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-11-23 23:52:01,619 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 543 transitions, 1550 flow. Second operand has 3 states, 3 states have (on average 543.0) internal successors, (1629), 3 states have internal predecessors, (1629), 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) [2024-11-23 23:52:01,620 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:52:01,620 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-11-23 23:52:01,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:52:04,612 INFO L124 PetriNetUnfolderBase]: 325/8405 cut-off events. [2024-11-23 23:52:04,612 INFO L125 PetriNetUnfolderBase]: For 458/595 co-relation queries the response was YES. [2024-11-23 23:52:04,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10474 conditions, 8405 events. 325/8405 cut-off events. For 458/595 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 80714 event pairs, 166 based on Foata normal form. 0/7984 useless extension candidates. Maximal degree in co-relation 9956. Up to 367 conditions per place. [2024-11-23 23:52:04,742 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 14 selfloop transitions, 3 changer transitions 0/544 dead transitions. [2024-11-23 23:52:04,742 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 544 transitions, 1588 flow [2024-11-23 23:52:04,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:52:04,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:52:04,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1639 transitions. [2024-11-23 23:52:04,744 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9419540229885057 [2024-11-23 23:52:04,744 INFO L175 Difference]: Start difference. First operand has 539 places, 543 transitions, 1550 flow. Second operand 3 states and 1639 transitions. [2024-11-23 23:52:04,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 544 transitions, 1588 flow [2024-11-23 23:52:04,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 544 transitions, 1582 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:52:04,750 INFO L231 Difference]: Finished difference. Result has 538 places, 542 transitions, 1548 flow [2024-11-23 23:52:04,751 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1542, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=542, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1548, PETRI_PLACES=538, PETRI_TRANSITIONS=542} [2024-11-23 23:52:04,751 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, 3 predicate places. [2024-11-23 23:52:04,752 INFO L471 AbstractCegarLoop]: Abstraction has has 538 places, 542 transitions, 1548 flow [2024-11-23 23:52:04,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.0) internal successors, (1629), 3 states have internal predecessors, (1629), 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) [2024-11-23 23:52:04,752 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:52:04,752 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:52:04,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-23 23:52:04,753 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2024-11-23 23:52:04,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:52:04,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1780740840, now seen corresponding path program 1 times [2024-11-23 23:52:04,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:52:04,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45511603] [2024-11-23 23:52:04,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:52:04,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:52:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:52:04,919 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-23 23:52:04,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:52:04,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45511603] [2024-11-23 23:52:04,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45511603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:52:04,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:52:04,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:52:04,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416975664] [2024-11-23 23:52:04,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:52:04,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:52:04,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:52:04,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:52:04,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:52:04,951 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 580 [2024-11-23 23:52:04,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 538 places, 542 transitions, 1548 flow. Second operand has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-11-23 23:52:04,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:52:04,953 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 580 [2024-11-23 23:52:04,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:52:07,515 INFO L124 PetriNetUnfolderBase]: 620/8668 cut-off events. [2024-11-23 23:52:07,515 INFO L125 PetriNetUnfolderBase]: For 886/915 co-relation queries the response was YES. [2024-11-23 23:52:07,625 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11419 conditions, 8668 events. 620/8668 cut-off events. For 886/915 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 92719 event pairs, 344 based on Foata normal form. 0/8155 useless extension candidates. Maximal degree in co-relation 10901. Up to 890 conditions per place. [2024-11-23 23:52:07,628 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 0 selfloop transitions, 0 changer transitions 543/543 dead transitions. [2024-11-23 23:52:07,628 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 543 transitions, 1586 flow [2024-11-23 23:52:07,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:52:07,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:52:07,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1639 transitions. [2024-11-23 23:52:07,630 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9419540229885057 [2024-11-23 23:52:07,630 INFO L175 Difference]: Start difference. First operand has 538 places, 542 transitions, 1548 flow. Second operand 3 states and 1639 transitions. [2024-11-23 23:52:07,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 543 transitions, 1586 flow [2024-11-23 23:52:07,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 543 transitions, 1580 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:52:07,638 INFO L231 Difference]: Finished difference. Result has 537 places, 0 transitions, 0 flow [2024-11-23 23:52:07,638 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=1540, PETRI_DIFFERENCE_MINUEND_PLACES=535, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=537, PETRI_TRANSITIONS=0} [2024-11-23 23:52:07,639 INFO L279 CegarLoopForPetriNet]: 535 programPoint places, 2 predicate places. [2024-11-23 23:52:07,639 INFO L471 AbstractCegarLoop]: Abstraction has has 537 places, 0 transitions, 0 flow [2024-11-23 23:52:07,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 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) [2024-11-23 23:52:07,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (80 of 81 remaining) [2024-11-23 23:52:07,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (79 of 81 remaining) [2024-11-23 23:52:07,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (78 of 81 remaining) [2024-11-23 23:52:07,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (77 of 81 remaining) [2024-11-23 23:52:07,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (76 of 81 remaining) [2024-11-23 23:52:07,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (75 of 81 remaining) [2024-11-23 23:52:07,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (74 of 81 remaining) [2024-11-23 23:52:07,644 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (73 of 81 remaining) [2024-11-23 23:52:07,644 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (72 of 81 remaining) [2024-11-23 23:52:07,644 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (71 of 81 remaining) [2024-11-23 23:52:07,644 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (70 of 81 remaining) [2024-11-23 23:52:07,644 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (69 of 81 remaining) [2024-11-23 23:52:07,644 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (68 of 81 remaining) [2024-11-23 23:52:07,644 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (67 of 81 remaining) [2024-11-23 23:52:07,644 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (66 of 81 remaining) [2024-11-23 23:52:07,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (65 of 81 remaining) [2024-11-23 23:52:07,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (64 of 81 remaining) [2024-11-23 23:52:07,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (63 of 81 remaining) [2024-11-23 23:52:07,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (62 of 81 remaining) [2024-11-23 23:52:07,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (61 of 81 remaining) [2024-11-23 23:52:07,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (60 of 81 remaining) [2024-11-23 23:52:07,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (59 of 81 remaining) [2024-11-23 23:52:07,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (58 of 81 remaining) [2024-11-23 23:52:07,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (57 of 81 remaining) [2024-11-23 23:52:07,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (56 of 81 remaining) [2024-11-23 23:52:07,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (55 of 81 remaining) [2024-11-23 23:52:07,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (54 of 81 remaining) [2024-11-23 23:52:07,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (53 of 81 remaining) [2024-11-23 23:52:07,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (52 of 81 remaining) [2024-11-23 23:52:07,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (51 of 81 remaining) [2024-11-23 23:52:07,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (50 of 81 remaining) [2024-11-23 23:52:07,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (49 of 81 remaining) [2024-11-23 23:52:07,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (48 of 81 remaining) [2024-11-23 23:52:07,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (47 of 81 remaining) [2024-11-23 23:52:07,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (46 of 81 remaining) [2024-11-23 23:52:07,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (45 of 81 remaining) [2024-11-23 23:52:07,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (44 of 81 remaining) [2024-11-23 23:52:07,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (43 of 81 remaining) [2024-11-23 23:52:07,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (42 of 81 remaining) [2024-11-23 23:52:07,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (41 of 81 remaining) [2024-11-23 23:52:07,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (40 of 81 remaining) [2024-11-23 23:52:07,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (39 of 81 remaining) [2024-11-23 23:52:07,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (38 of 81 remaining) [2024-11-23 23:52:07,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (37 of 81 remaining) [2024-11-23 23:52:07,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (36 of 81 remaining) [2024-11-23 23:52:07,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 81 remaining) [2024-11-23 23:52:07,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 81 remaining) [2024-11-23 23:52:07,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 81 remaining) [2024-11-23 23:52:07,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (32 of 81 remaining) [2024-11-23 23:52:07,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (31 of 81 remaining) [2024-11-23 23:52:07,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (30 of 81 remaining) [2024-11-23 23:52:07,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (29 of 81 remaining) [2024-11-23 23:52:07,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (28 of 81 remaining) [2024-11-23 23:52:07,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (27 of 81 remaining) [2024-11-23 23:52:07,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 81 remaining) [2024-11-23 23:52:07,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 81 remaining) [2024-11-23 23:52:07,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 81 remaining) [2024-11-23 23:52:07,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 81 remaining) [2024-11-23 23:52:07,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 81 remaining) [2024-11-23 23:52:07,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 81 remaining) [2024-11-23 23:52:07,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 81 remaining) [2024-11-23 23:52:07,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 81 remaining) [2024-11-23 23:52:07,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 81 remaining) [2024-11-23 23:52:07,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (17 of 81 remaining) [2024-11-23 23:52:07,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (16 of 81 remaining) [2024-11-23 23:52:07,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (15 of 81 remaining) [2024-11-23 23:52:07,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (14 of 81 remaining) [2024-11-23 23:52:07,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (13 of 81 remaining) [2024-11-23 23:52:07,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (12 of 81 remaining) [2024-11-23 23:52:07,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (11 of 81 remaining) [2024-11-23 23:52:07,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 81 remaining) [2024-11-23 23:52:07,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 81 remaining) [2024-11-23 23:52:07,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 81 remaining) [2024-11-23 23:52:07,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (7 of 81 remaining) [2024-11-23 23:52:07,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (6 of 81 remaining) [2024-11-23 23:52:07,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (5 of 81 remaining) [2024-11-23 23:52:07,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 81 remaining) [2024-11-23 23:52:07,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 81 remaining) [2024-11-23 23:52:07,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (2 of 81 remaining) [2024-11-23 23:52:07,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (1 of 81 remaining) [2024-11-23 23:52:07,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (0 of 81 remaining) [2024-11-23 23:52:07,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-23 23:52:07,650 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:52:07,655 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 23:52:07,656 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:52:07,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:52:07 BasicIcfg [2024-11-23 23:52:07,663 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:52:07,663 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:52:07,663 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:52:07,663 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:52:07,664 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:50:49" (3/4) ... [2024-11-23 23:52:07,666 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 23:52:07,670 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-23 23:52:07,670 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-23 23:52:07,670 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-23 23:52:07,677 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-11-23 23:52:07,677 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-23 23:52:07,678 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 23:52:07,678 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:52:07,782 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdacc462-e417-437d-be64-32e66e2652a5/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:52:07,782 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdacc462-e417-437d-be64-32e66e2652a5/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:52:07,782 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:52:07,783 INFO L158 Benchmark]: Toolchain (without parser) took 80047.69ms. Allocated memory was 142.6MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 119.1MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 912.7MB. Max. memory is 16.1GB. [2024-11-23 23:52:07,784 INFO L158 Benchmark]: CDTParser took 1.62ms. Allocated memory is still 142.6MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:52:07,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 477.40ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 105.1MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:52:07,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.88ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 102.0MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:52:07,785 INFO L158 Benchmark]: Boogie Preprocessor took 50.53ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 99.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:52:07,785 INFO L158 Benchmark]: RCFGBuilder took 1139.35ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 111.9MB in the end (delta: -13.1MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2024-11-23 23:52:07,785 INFO L158 Benchmark]: TraceAbstraction took 78151.57ms. Allocated memory was 142.6MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 111.4MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-23 23:52:07,786 INFO L158 Benchmark]: Witness Printer took 119.35ms. Allocated memory is still 2.2GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:52:07,787 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.62ms. Allocated memory is still 142.6MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 477.40ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 105.1MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.88ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 102.0MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.53ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 99.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1139.35ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 111.9MB in the end (delta: -13.1MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * TraceAbstraction took 78151.57ms. Allocated memory was 142.6MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 111.4MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 119.35ms. Allocated memory is still 2.2GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: 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: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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 - 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 - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 848 locations, 81 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: 77.8s, OverallIterations: 37, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 63.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4035 SdHoareTripleChecker+Valid, 7.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2728 mSDsluCounter, 1481 SdHoareTripleChecker+Invalid, 6.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1224 mSDsCounter, 733 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6558 IncrementalHoareTripleChecker+Invalid, 7291 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 733 mSolverCounterUnsat, 257 mSDtfsCounter, 6558 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1204 GetRequests, 1078 SyntacticMatches, 5 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1618occurred in iteration=24, InterpolantAutomatonStates: 162, 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: 0.4s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 10.9s InterpolantComputationTime, 10323 NumberOfCodeBlocks, 9963 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 10810 ConstructedInterpolants, 0 QuantifiedInterpolants, 12872 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1184 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 41 InterpolantComputations, 35 PerfectInterpolantSequences, 7066/7213 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 45 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-23 23:52:07,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdacc462-e417-437d-be64-32e66e2652a5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE