./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.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_677cc1ec-e1bc-46cf-b23f-4757f0905836/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677cc1ec-e1bc-46cf-b23f-4757f0905836/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_677cc1ec-e1bc-46cf-b23f-4757f0905836/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677cc1ec-e1bc-46cf-b23f-4757f0905836/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677cc1ec-e1bc-46cf-b23f-4757f0905836/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_677cc1ec-e1bc-46cf-b23f-4757f0905836/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 5dd003755f1e361f3bbf00c3bfecbc1131b6df98a7806f5bb08971966b13d6ac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:33:08,356 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:33:08,451 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677cc1ec-e1bc-46cf-b23f-4757f0905836/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-23 23:33:08,459 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:33:08,459 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:33:08,504 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:33:08,505 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:33:08,505 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:33:08,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:33:08,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:33:08,506 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:33:08,506 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:33:08,506 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:33:08,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:33:08,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:33:08,506 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:33:08,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:33:08,506 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:33:08,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:33:08,508 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:33:08,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:33:08,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:33:08,509 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-23 23:33:08,509 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 23:33:08,509 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:33:08,509 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:33:08,509 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:33:08,509 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:33:08,509 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:33:08,510 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:33:08,510 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:33:08,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:33:08,510 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:33:08,510 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:33:08,511 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:33:08,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:33:08,511 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:33:08,511 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:33:08,511 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:33:08,511 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:33:08,511 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:33:08,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:33:08,511 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:33:08,511 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:33:08,512 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:33:08,512 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:33:08,512 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_677cc1ec-e1bc-46cf-b23f-4757f0905836/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 -> 5dd003755f1e361f3bbf00c3bfecbc1131b6df98a7806f5bb08971966b13d6ac [2024-11-23 23:33:08,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:33:08,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:33:08,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:33:08,845 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:33:08,845 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:33:08,846 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677cc1ec-e1bc-46cf-b23f-4757f0905836/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c [2024-11-23 23:33:12,100 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677cc1ec-e1bc-46cf-b23f-4757f0905836/bin/uautomizer-verify-LYvppIcaGC/data/e86e53de4/ae3f0b0af19d40b58b03ad01c0359303/FLAG5d7e13326 [2024-11-23 23:33:12,458 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:33:12,460 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677cc1ec-e1bc-46cf-b23f-4757f0905836/sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c [2024-11-23 23:33:12,479 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677cc1ec-e1bc-46cf-b23f-4757f0905836/bin/uautomizer-verify-LYvppIcaGC/data/e86e53de4/ae3f0b0af19d40b58b03ad01c0359303/FLAG5d7e13326 [2024-11-23 23:33:12,503 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677cc1ec-e1bc-46cf-b23f-4757f0905836/bin/uautomizer-verify-LYvppIcaGC/data/e86e53de4/ae3f0b0af19d40b58b03ad01c0359303 [2024-11-23 23:33:12,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:33:12,510 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:33:12,512 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:33:12,512 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:33:12,517 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:33:12,518 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:33:12" (1/1) ... [2024-11-23 23:33:12,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ba8698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:12, skipping insertion in model container [2024-11-23 23:33:12,519 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:33:12" (1/1) ... [2024-11-23 23:33:12,543 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:33:12,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:33:12,842 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:33:12,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:33:12,937 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:33:12,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:12 WrapperNode [2024-11-23 23:33:12,938 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:33:12,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:33:12,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:33:12,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:33:12,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:12" (1/1) ... [2024-11-23 23:33:12,965 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:12" (1/1) ... [2024-11-23 23:33:13,042 INFO L138 Inliner]: procedures = 25, calls = 41, calls flagged for inlining = 17, calls inlined = 19, statements flattened = 528 [2024-11-23 23:33:13,042 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:33:13,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:33:13,043 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:33:13,043 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:33:13,056 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:12" (1/1) ... [2024-11-23 23:33:13,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:12" (1/1) ... [2024-11-23 23:33:13,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:12" (1/1) ... [2024-11-23 23:33:13,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:12" (1/1) ... [2024-11-23 23:33:13,100 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:12" (1/1) ... [2024-11-23 23:33:13,105 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:12" (1/1) ... [2024-11-23 23:33:13,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:12" (1/1) ... [2024-11-23 23:33:13,119 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:12" (1/1) ... [2024-11-23 23:33:13,121 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:12" (1/1) ... [2024-11-23 23:33:13,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:33:13,133 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:33:13,133 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:33:13,134 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:33:13,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:12" (1/1) ... [2024-11-23 23:33:13,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:33:13,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677cc1ec-e1bc-46cf-b23f-4757f0905836/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:33:13,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677cc1ec-e1bc-46cf-b23f-4757f0905836/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:33:13,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677cc1ec-e1bc-46cf-b23f-4757f0905836/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:33:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:33:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-23 23:33:13,216 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-23 23:33:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-23 23:33:13,216 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-23 23:33:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-23 23:33:13,217 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-23 23:33:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 23:33:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-23 23:33:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-23 23:33:13,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-23 23:33:13,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 23:33:13,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:33:13,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:33:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-23 23:33:13,221 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 23:33:13,376 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:33:13,378 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:33:14,732 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 23:33:14,733 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:33:15,414 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:33:15,414 INFO L312 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-23 23:33:15,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:33:15 BoogieIcfgContainer [2024-11-23 23:33:15,415 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:33:15,420 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:33:15,420 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:33:15,425 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:33:15,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:33:12" (1/3) ... [2024-11-23 23:33:15,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67957930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:33:15, skipping insertion in model container [2024-11-23 23:33:15,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:12" (2/3) ... [2024-11-23 23:33:15,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67957930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:33:15, skipping insertion in model container [2024-11-23 23:33:15,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:33:15" (3/3) ... [2024-11-23 23:33:15,428 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-queue-add-3-nl.wvr.c [2024-11-23 23:33:15,450 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:33:15,452 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-queue-add-3-nl.wvr.c that has 4 procedures, 428 locations, 1 initial locations, 5 loop locations, and 86 error locations. [2024-11-23 23:33:15,452 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 23:33:15,643 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-23 23:33:15,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 437 places, 447 transitions, 915 flow [2024-11-23 23:33:15,949 INFO L124 PetriNetUnfolderBase]: 20/444 cut-off events. [2024-11-23 23:33:15,951 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-23 23:33:15,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 457 conditions, 444 events. 20/444 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 845 event pairs, 0 based on Foata normal form. 0/338 useless extension candidates. Maximal degree in co-relation 352. Up to 3 conditions per place. [2024-11-23 23:33:15,964 INFO L82 GeneralOperation]: Start removeDead. Operand has 437 places, 447 transitions, 915 flow [2024-11-23 23:33:15,982 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 415 places, 423 transitions, 864 flow [2024-11-23 23:33:15,998 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:33:16,011 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;@149bc7a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:33:16,011 INFO L334 AbstractCegarLoop]: Starting to check reachability of 152 error locations. [2024-11-23 23:33:16,024 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 23:33:16,024 INFO L124 PetriNetUnfolderBase]: 0/30 cut-off events. [2024-11-23 23:33:16,024 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 23:33:16,024 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:16,025 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:33:16,025 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:16,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:16,032 INFO L85 PathProgramCache]: Analyzing trace with hash 906383956, now seen corresponding path program 1 times [2024-11-23 23:33:16,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:16,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602863189] [2024-11-23 23:33:16,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:16,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:16,279 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 23:33:16,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:16,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602863189] [2024-11-23 23:33:16,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602863189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:16,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:16,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:16,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659441282] [2024-11-23 23:33:16,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:16,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:16,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:16,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:16,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:16,387 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 447 [2024-11-23 23:33:16,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 415 places, 423 transitions, 864 flow. Second operand has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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 23:33:16,393 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:16,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 447 [2024-11-23 23:33:16,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:17,015 INFO L124 PetriNetUnfolderBase]: 165/1436 cut-off events. [2024-11-23 23:33:17,016 INFO L125 PetriNetUnfolderBase]: For 68/68 co-relation queries the response was YES. [2024-11-23 23:33:17,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1761 conditions, 1436 events. 165/1436 cut-off events. For 68/68 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 9433 event pairs, 128 based on Foata normal form. 24/1206 useless extension candidates. Maximal degree in co-relation 1391. Up to 251 conditions per place. [2024-11-23 23:33:17,032 INFO L140 encePairwiseOnDemand]: 388/447 looper letters, 18 selfloop transitions, 2 changer transitions 5/366 dead transitions. [2024-11-23 23:33:17,032 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 366 transitions, 790 flow [2024-11-23 23:33:17,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:17,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:17,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1178 transitions. [2024-11-23 23:33:17,056 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8784489187173751 [2024-11-23 23:33:17,058 INFO L175 Difference]: Start difference. First operand has 415 places, 423 transitions, 864 flow. Second operand 3 states and 1178 transitions. [2024-11-23 23:33:17,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 366 transitions, 790 flow [2024-11-23 23:33:17,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 366 transitions, 778 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-23 23:33:17,080 INFO L231 Difference]: Finished difference. Result has 366 places, 361 transitions, 732 flow [2024-11-23 23:33:17,085 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=738, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=732, PETRI_PLACES=366, PETRI_TRANSITIONS=361} [2024-11-23 23:33:17,088 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -49 predicate places. [2024-11-23 23:33:17,090 INFO L471 AbstractCegarLoop]: Abstraction has has 366 places, 361 transitions, 732 flow [2024-11-23 23:33:17,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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 23:33:17,092 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:17,092 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:33:17,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 23:33:17,093 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:17,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:17,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1984999892, now seen corresponding path program 1 times [2024-11-23 23:33:17,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:17,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915147690] [2024-11-23 23:33:17,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:17,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:17,155 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 23:33:17,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:17,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915147690] [2024-11-23 23:33:17,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915147690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:17,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:17,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:17,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116829705] [2024-11-23 23:33:17,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:17,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:17,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:17,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:17,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:17,188 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 447 [2024-11-23 23:33:17,190 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 361 transitions, 732 flow. Second operand has 3 states, 3 states have (on average 369.3333333333333) internal successors, (1108), 3 states have internal predecessors, (1108), 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 23:33:17,190 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:17,190 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 447 [2024-11-23 23:33:17,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:17,541 INFO L124 PetriNetUnfolderBase]: 86/1124 cut-off events. [2024-11-23 23:33:17,541 INFO L125 PetriNetUnfolderBase]: For 9/11 co-relation queries the response was YES. [2024-11-23 23:33:17,545 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1278 conditions, 1124 events. 86/1124 cut-off events. For 9/11 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 6053 event pairs, 51 based on Foata normal form. 0/908 useless extension candidates. Maximal degree in co-relation 1239. Up to 131 conditions per place. [2024-11-23 23:33:17,555 INFO L140 encePairwiseOnDemand]: 444/447 looper letters, 17 selfloop transitions, 2 changer transitions 0/360 dead transitions. [2024-11-23 23:33:17,555 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 360 transitions, 768 flow [2024-11-23 23:33:17,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:17,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:17,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1124 transitions. [2024-11-23 23:33:17,563 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8381804623415362 [2024-11-23 23:33:17,564 INFO L175 Difference]: Start difference. First operand has 366 places, 361 transitions, 732 flow. Second operand 3 states and 1124 transitions. [2024-11-23 23:33:17,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 362 places, 360 transitions, 768 flow [2024-11-23 23:33:17,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 360 places, 360 transitions, 764 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:33:17,577 INFO L231 Difference]: Finished difference. Result has 360 places, 360 transitions, 730 flow [2024-11-23 23:33:17,578 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=726, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=730, PETRI_PLACES=360, PETRI_TRANSITIONS=360} [2024-11-23 23:33:17,579 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -55 predicate places. [2024-11-23 23:33:17,579 INFO L471 AbstractCegarLoop]: Abstraction has has 360 places, 360 transitions, 730 flow [2024-11-23 23:33:17,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 369.3333333333333) internal successors, (1108), 3 states have internal predecessors, (1108), 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 23:33:17,580 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:17,580 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] [2024-11-23 23:33:17,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:33:17,581 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:17,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:17,582 INFO L85 PathProgramCache]: Analyzing trace with hash 460689400, now seen corresponding path program 1 times [2024-11-23 23:33:17,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:17,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488043445] [2024-11-23 23:33:17,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:17,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:17,663 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 23:33:17,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:17,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488043445] [2024-11-23 23:33:17,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488043445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:17,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:17,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:17,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945079876] [2024-11-23 23:33:17,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:17,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:17,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:17,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:17,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:17,703 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 447 [2024-11-23 23:33:17,705 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 360 transitions, 730 flow. Second operand has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:17,705 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:17,705 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 447 [2024-11-23 23:33:17,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:17,917 INFO L124 PetriNetUnfolderBase]: 59/859 cut-off events. [2024-11-23 23:33:17,917 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-23 23:33:17,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 968 conditions, 859 events. 59/859 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 4129 event pairs, 38 based on Foata normal form. 0/716 useless extension candidates. Maximal degree in co-relation 921. Up to 90 conditions per place. [2024-11-23 23:33:17,924 INFO L140 encePairwiseOnDemand]: 444/447 looper letters, 15 selfloop transitions, 2 changer transitions 0/359 dead transitions. [2024-11-23 23:33:17,924 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 359 transitions, 762 flow [2024-11-23 23:33:17,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:17,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:17,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1128 transitions. [2024-11-23 23:33:17,927 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8411633109619687 [2024-11-23 23:33:17,928 INFO L175 Difference]: Start difference. First operand has 360 places, 360 transitions, 730 flow. Second operand 3 states and 1128 transitions. [2024-11-23 23:33:17,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 361 places, 359 transitions, 762 flow [2024-11-23 23:33:17,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 359 transitions, 758 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:33:17,934 INFO L231 Difference]: Finished difference. Result has 359 places, 359 transitions, 728 flow [2024-11-23 23:33:17,934 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=724, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=728, PETRI_PLACES=359, PETRI_TRANSITIONS=359} [2024-11-23 23:33:17,935 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -56 predicate places. [2024-11-23 23:33:17,935 INFO L471 AbstractCegarLoop]: Abstraction has has 359 places, 359 transitions, 728 flow [2024-11-23 23:33:17,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:17,936 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:17,936 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:33:17,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:33:17,937 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:17,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:17,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1720715426, now seen corresponding path program 1 times [2024-11-23 23:33:17,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:17,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483458642] [2024-11-23 23:33:17,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:17,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:17,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:18,005 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 23:33:18,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:18,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483458642] [2024-11-23 23:33:18,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483458642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:18,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:18,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:18,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148428617] [2024-11-23 23:33:18,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:18,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:18,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:18,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:18,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:18,024 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 447 [2024-11-23 23:33:18,026 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 359 transitions, 728 flow. Second operand has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:18,026 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:18,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 447 [2024-11-23 23:33:18,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:18,242 INFO L124 PetriNetUnfolderBase]: 59/858 cut-off events. [2024-11-23 23:33:18,242 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-23 23:33:18,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 967 conditions, 858 events. 59/858 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 4144 event pairs, 38 based on Foata normal form. 0/716 useless extension candidates. Maximal degree in co-relation 912. Up to 90 conditions per place. [2024-11-23 23:33:18,248 INFO L140 encePairwiseOnDemand]: 444/447 looper letters, 15 selfloop transitions, 2 changer transitions 0/358 dead transitions. [2024-11-23 23:33:18,248 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 358 transitions, 760 flow [2024-11-23 23:33:18,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:18,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:18,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1128 transitions. [2024-11-23 23:33:18,253 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8411633109619687 [2024-11-23 23:33:18,254 INFO L175 Difference]: Start difference. First operand has 359 places, 359 transitions, 728 flow. Second operand 3 states and 1128 transitions. [2024-11-23 23:33:18,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 358 transitions, 760 flow [2024-11-23 23:33:18,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 358 transitions, 756 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:33:18,259 INFO L231 Difference]: Finished difference. Result has 358 places, 358 transitions, 726 flow [2024-11-23 23:33:18,260 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=726, PETRI_PLACES=358, PETRI_TRANSITIONS=358} [2024-11-23 23:33:18,261 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -57 predicate places. [2024-11-23 23:33:18,261 INFO L471 AbstractCegarLoop]: Abstraction has has 358 places, 358 transitions, 726 flow [2024-11-23 23:33:18,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:18,262 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:18,262 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:33:18,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:33:18,263 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:18,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:18,264 INFO L85 PathProgramCache]: Analyzing trace with hash -462330391, now seen corresponding path program 1 times [2024-11-23 23:33:18,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:18,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154736492] [2024-11-23 23:33:18,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:18,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:18,367 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 23:33:18,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:18,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154736492] [2024-11-23 23:33:18,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154736492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:18,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:18,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:18,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872044027] [2024-11-23 23:33:18,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:18,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:18,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:18,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:18,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:18,393 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 447 [2024-11-23 23:33:18,395 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 358 transitions, 726 flow. Second operand has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:18,395 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:18,395 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 447 [2024-11-23 23:33:18,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:18,582 INFO L124 PetriNetUnfolderBase]: 59/857 cut-off events. [2024-11-23 23:33:18,582 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-23 23:33:18,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 966 conditions, 857 events. 59/857 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 4140 event pairs, 38 based on Foata normal form. 0/716 useless extension candidates. Maximal degree in co-relation 903. Up to 90 conditions per place. [2024-11-23 23:33:18,590 INFO L140 encePairwiseOnDemand]: 444/447 looper letters, 15 selfloop transitions, 2 changer transitions 0/357 dead transitions. [2024-11-23 23:33:18,590 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 357 transitions, 758 flow [2024-11-23 23:33:18,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:18,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:18,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1128 transitions. [2024-11-23 23:33:18,593 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8411633109619687 [2024-11-23 23:33:18,593 INFO L175 Difference]: Start difference. First operand has 358 places, 358 transitions, 726 flow. Second operand 3 states and 1128 transitions. [2024-11-23 23:33:18,593 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 357 transitions, 758 flow [2024-11-23 23:33:18,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 357 transitions, 754 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:33:18,600 INFO L231 Difference]: Finished difference. Result has 357 places, 357 transitions, 724 flow [2024-11-23 23:33:18,600 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=720, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=724, PETRI_PLACES=357, PETRI_TRANSITIONS=357} [2024-11-23 23:33:18,602 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -58 predicate places. [2024-11-23 23:33:18,603 INFO L471 AbstractCegarLoop]: Abstraction has has 357 places, 357 transitions, 724 flow [2024-11-23 23:33:18,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:18,604 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:18,604 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:33:18,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:33:18,604 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:18,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:18,605 INFO L85 PathProgramCache]: Analyzing trace with hash -488614564, now seen corresponding path program 1 times [2024-11-23 23:33:18,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:18,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271780967] [2024-11-23 23:33:18,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:18,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:18,718 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 23:33:18,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:18,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271780967] [2024-11-23 23:33:18,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271780967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:18,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:18,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:18,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729931590] [2024-11-23 23:33:18,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:18,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:18,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:18,719 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:18,719 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:18,735 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 447 [2024-11-23 23:33:18,737 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 357 transitions, 724 flow. Second operand has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 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 23:33:18,737 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:18,737 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 447 [2024-11-23 23:33:18,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:18,911 INFO L124 PetriNetUnfolderBase]: 56/779 cut-off events. [2024-11-23 23:33:18,911 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-23 23:33:18,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 888 conditions, 779 events. 56/779 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3344 event pairs, 7 based on Foata normal form. 0/659 useless extension candidates. Maximal degree in co-relation 817. Up to 69 conditions per place. [2024-11-23 23:33:18,918 INFO L140 encePairwiseOnDemand]: 444/447 looper letters, 18 selfloop transitions, 2 changer transitions 0/362 dead transitions. [2024-11-23 23:33:18,918 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 362 transitions, 776 flow [2024-11-23 23:33:18,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:18,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:18,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1143 transitions. [2024-11-23 23:33:18,922 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8523489932885906 [2024-11-23 23:33:18,922 INFO L175 Difference]: Start difference. First operand has 357 places, 357 transitions, 724 flow. Second operand 3 states and 1143 transitions. [2024-11-23 23:33:18,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 362 transitions, 776 flow [2024-11-23 23:33:18,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 362 transitions, 772 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:33:18,929 INFO L231 Difference]: Finished difference. Result has 357 places, 357 transitions, 728 flow [2024-11-23 23:33:18,930 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=718, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=728, PETRI_PLACES=357, PETRI_TRANSITIONS=357} [2024-11-23 23:33:18,930 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -58 predicate places. [2024-11-23 23:33:18,931 INFO L471 AbstractCegarLoop]: Abstraction has has 357 places, 357 transitions, 728 flow [2024-11-23 23:33:18,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 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 23:33:18,932 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:18,932 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:33:18,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 23:33:18,932 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:18,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:18,933 INFO L85 PathProgramCache]: Analyzing trace with hash 674994692, now seen corresponding path program 1 times [2024-11-23 23:33:18,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:18,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471839974] [2024-11-23 23:33:18,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:18,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:19,004 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 23:33:19,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:19,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471839974] [2024-11-23 23:33:19,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471839974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:19,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:19,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:19,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260415950] [2024-11-23 23:33:19,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:19,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:19,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:19,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:19,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:19,020 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 447 [2024-11-23 23:33:19,022 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 357 transitions, 728 flow. Second operand has 3 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:19,022 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:19,022 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 447 [2024-11-23 23:33:19,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:19,227 INFO L124 PetriNetUnfolderBase]: 59/858 cut-off events. [2024-11-23 23:33:19,227 INFO L125 PetriNetUnfolderBase]: For 31/32 co-relation queries the response was YES. [2024-11-23 23:33:19,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1002 conditions, 858 events. 59/858 cut-off events. For 31/32 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 4205 event pairs, 38 based on Foata normal form. 0/719 useless extension candidates. Maximal degree in co-relation 379. Up to 92 conditions per place. [2024-11-23 23:33:19,236 INFO L140 encePairwiseOnDemand]: 444/447 looper letters, 15 selfloop transitions, 2 changer transitions 0/356 dead transitions. [2024-11-23 23:33:19,236 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 356 transitions, 760 flow [2024-11-23 23:33:19,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:19,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:19,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1130 transitions. [2024-11-23 23:33:19,241 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8426547352721849 [2024-11-23 23:33:19,241 INFO L175 Difference]: Start difference. First operand has 357 places, 357 transitions, 728 flow. Second operand 3 states and 1130 transitions. [2024-11-23 23:33:19,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 356 transitions, 760 flow [2024-11-23 23:33:19,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 356 transitions, 758 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 23:33:19,250 INFO L231 Difference]: Finished difference. Result has 357 places, 356 transitions, 728 flow [2024-11-23 23:33:19,251 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=724, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=728, PETRI_PLACES=357, PETRI_TRANSITIONS=356} [2024-11-23 23:33:19,252 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -58 predicate places. [2024-11-23 23:33:19,253 INFO L471 AbstractCegarLoop]: Abstraction has has 357 places, 356 transitions, 728 flow [2024-11-23 23:33:19,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:19,254 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:19,254 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] [2024-11-23 23:33:19,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 23:33:19,254 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:19,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:19,256 INFO L85 PathProgramCache]: Analyzing trace with hash 889545078, now seen corresponding path program 1 times [2024-11-23 23:33:19,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:19,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051281569] [2024-11-23 23:33:19,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:19,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:19,321 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 23:33:19,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:19,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051281569] [2024-11-23 23:33:19,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051281569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:19,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:19,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:19,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629654180] [2024-11-23 23:33:19,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:19,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:19,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:19,325 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:19,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:19,347 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 447 [2024-11-23 23:33:19,349 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 356 transitions, 728 flow. Second operand has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:19,350 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:19,350 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 447 [2024-11-23 23:33:19,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:19,603 INFO L124 PetriNetUnfolderBase]: 59/857 cut-off events. [2024-11-23 23:33:19,604 INFO L125 PetriNetUnfolderBase]: For 30/31 co-relation queries the response was YES. [2024-11-23 23:33:19,608 INFO L83 FinitePrefix]: Finished finitePrefix Result has 993 conditions, 857 events. 59/857 cut-off events. For 30/31 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 4195 event pairs, 38 based on Foata normal form. 0/719 useless extension candidates. Maximal degree in co-relation 913. Up to 93 conditions per place. [2024-11-23 23:33:19,613 INFO L140 encePairwiseOnDemand]: 444/447 looper letters, 16 selfloop transitions, 2 changer transitions 0/355 dead transitions. [2024-11-23 23:33:19,613 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 355 transitions, 762 flow [2024-11-23 23:33:19,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:19,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:19,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1128 transitions. [2024-11-23 23:33:19,618 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8411633109619687 [2024-11-23 23:33:19,619 INFO L175 Difference]: Start difference. First operand has 357 places, 356 transitions, 728 flow. Second operand 3 states and 1128 transitions. [2024-11-23 23:33:19,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 355 transitions, 762 flow [2024-11-23 23:33:19,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 355 transitions, 758 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:33:19,628 INFO L231 Difference]: Finished difference. Result has 356 places, 355 transitions, 726 flow [2024-11-23 23:33:19,629 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=726, PETRI_PLACES=356, PETRI_TRANSITIONS=355} [2024-11-23 23:33:19,630 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -59 predicate places. [2024-11-23 23:33:19,630 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 355 transitions, 726 flow [2024-11-23 23:33:19,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:19,631 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:19,631 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 23:33:19,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 23:33:19,632 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:19,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:19,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1973655372, now seen corresponding path program 1 times [2024-11-23 23:33:19,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:19,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445915433] [2024-11-23 23:33:19,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:19,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:19,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:33:19,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:19,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445915433] [2024-11-23 23:33:19,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445915433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:19,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:19,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:19,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385185] [2024-11-23 23:33:19,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:19,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:19,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:19,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:19,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:19,760 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 447 [2024-11-23 23:33:19,762 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 355 transitions, 726 flow. Second operand has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 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 23:33:19,763 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:19,763 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 447 [2024-11-23 23:33:19,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:20,021 INFO L124 PetriNetUnfolderBase]: 66/944 cut-off events. [2024-11-23 23:33:20,021 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-11-23 23:33:20,024 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1090 conditions, 944 events. 66/944 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 4685 event pairs, 20 based on Foata normal form. 0/790 useless extension candidates. Maximal degree in co-relation 1002. Up to 54 conditions per place. [2024-11-23 23:33:20,034 INFO L140 encePairwiseOnDemand]: 444/447 looper letters, 21 selfloop transitions, 2 changer transitions 0/362 dead transitions. [2024-11-23 23:33:20,034 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 362 transitions, 792 flow [2024-11-23 23:33:20,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:20,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:20,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1144 transitions. [2024-11-23 23:33:20,038 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8530947054436987 [2024-11-23 23:33:20,038 INFO L175 Difference]: Start difference. First operand has 356 places, 355 transitions, 726 flow. Second operand 3 states and 1144 transitions. [2024-11-23 23:33:20,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 362 transitions, 792 flow [2024-11-23 23:33:20,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 362 transitions, 788 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:33:20,044 INFO L231 Difference]: Finished difference. Result has 356 places, 355 transitions, 730 flow [2024-11-23 23:33:20,045 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=720, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=730, PETRI_PLACES=356, PETRI_TRANSITIONS=355} [2024-11-23 23:33:20,047 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -59 predicate places. [2024-11-23 23:33:20,047 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 355 transitions, 730 flow [2024-11-23 23:33:20,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 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 23:33:20,048 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:20,048 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] [2024-11-23 23:33:20,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 23:33:20,048 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:20,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:20,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1029564314, now seen corresponding path program 1 times [2024-11-23 23:33:20,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:20,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853946881] [2024-11-23 23:33:20,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:20,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:20,137 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 23:33:20,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:20,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853946881] [2024-11-23 23:33:20,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853946881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:20,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:20,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:20,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977466587] [2024-11-23 23:33:20,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:20,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:20,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:20,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:20,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:20,151 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 447 [2024-11-23 23:33:20,153 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 355 transitions, 730 flow. Second operand has 3 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:20,153 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:20,153 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 447 [2024-11-23 23:33:20,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:20,338 INFO L124 PetriNetUnfolderBase]: 66/868 cut-off events. [2024-11-23 23:33:20,338 INFO L125 PetriNetUnfolderBase]: For 57/58 co-relation queries the response was YES. [2024-11-23 23:33:20,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1055 conditions, 868 events. 66/868 cut-off events. For 57/58 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 4296 event pairs, 38 based on Foata normal form. 0/726 useless extension candidates. Maximal degree in co-relation 573. Up to 105 conditions per place. [2024-11-23 23:33:20,349 INFO L140 encePairwiseOnDemand]: 444/447 looper letters, 16 selfloop transitions, 2 changer transitions 0/354 dead transitions. [2024-11-23 23:33:20,349 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 354 transitions, 764 flow [2024-11-23 23:33:20,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:20,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:20,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1130 transitions. [2024-11-23 23:33:20,353 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8426547352721849 [2024-11-23 23:33:20,353 INFO L175 Difference]: Start difference. First operand has 356 places, 355 transitions, 730 flow. Second operand 3 states and 1130 transitions. [2024-11-23 23:33:20,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 354 transitions, 764 flow [2024-11-23 23:33:20,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 354 transitions, 762 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 23:33:20,360 INFO L231 Difference]: Finished difference. Result has 356 places, 354 transitions, 730 flow [2024-11-23 23:33:20,361 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=726, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=730, PETRI_PLACES=356, PETRI_TRANSITIONS=354} [2024-11-23 23:33:20,362 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -59 predicate places. [2024-11-23 23:33:20,363 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 354 transitions, 730 flow [2024-11-23 23:33:20,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:20,364 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:20,364 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:33:20,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 23:33:20,364 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:20,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:20,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1387554789, now seen corresponding path program 1 times [2024-11-23 23:33:20,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:20,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329511080] [2024-11-23 23:33:20,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:20,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:20,437 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 23:33:20,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:20,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329511080] [2024-11-23 23:33:20,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329511080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:20,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:20,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:20,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233170510] [2024-11-23 23:33:20,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:20,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:20,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:20,438 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:20,438 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:20,451 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 447 [2024-11-23 23:33:20,453 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 354 transitions, 730 flow. Second operand has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 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 23:33:20,453 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:20,453 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 447 [2024-11-23 23:33:20,453 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:20,648 INFO L124 PetriNetUnfolderBase]: 66/867 cut-off events. [2024-11-23 23:33:20,648 INFO L125 PetriNetUnfolderBase]: For 56/57 co-relation queries the response was YES. [2024-11-23 23:33:20,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1041 conditions, 867 events. 66/867 cut-off events. For 56/57 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 4250 event pairs, 38 based on Foata normal form. 0/726 useless extension candidates. Maximal degree in co-relation 944. Up to 103 conditions per place. [2024-11-23 23:33:20,659 INFO L140 encePairwiseOnDemand]: 445/447 looper letters, 15 selfloop transitions, 1 changer transitions 0/353 dead transitions. [2024-11-23 23:33:20,659 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 353 transitions, 760 flow [2024-11-23 23:33:20,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:20,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:20,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1137 transitions. [2024-11-23 23:33:20,662 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8478747203579419 [2024-11-23 23:33:20,663 INFO L175 Difference]: Start difference. First operand has 356 places, 354 transitions, 730 flow. Second operand 3 states and 1137 transitions. [2024-11-23 23:33:20,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 353 transitions, 760 flow [2024-11-23 23:33:20,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 353 transitions, 756 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:33:20,669 INFO L231 Difference]: Finished difference. Result has 355 places, 353 transitions, 726 flow [2024-11-23 23:33:20,669 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=724, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=726, PETRI_PLACES=355, PETRI_TRANSITIONS=353} [2024-11-23 23:33:20,670 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -60 predicate places. [2024-11-23 23:33:20,671 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 353 transitions, 726 flow [2024-11-23 23:33:20,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 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 23:33:20,671 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:20,672 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:33:20,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 23:33:20,672 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:20,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:20,673 INFO L85 PathProgramCache]: Analyzing trace with hash 795935460, now seen corresponding path program 1 times [2024-11-23 23:33:20,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:20,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703537053] [2024-11-23 23:33:20,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:20,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:21,588 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 23:33:21,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:21,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703537053] [2024-11-23 23:33:21,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703537053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:21,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:21,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:33:21,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059816404] [2024-11-23 23:33:21,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:21,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:33:21,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:21,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:33:21,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:33:21,766 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 447 [2024-11-23 23:33:21,770 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 353 transitions, 726 flow. Second operand has 6 states, 6 states have (on average 351.5) internal successors, (2109), 6 states have internal predecessors, (2109), 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 23:33:21,770 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:21,770 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 447 [2024-11-23 23:33:21,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:22,028 INFO L124 PetriNetUnfolderBase]: 66/865 cut-off events. [2024-11-23 23:33:22,028 INFO L125 PetriNetUnfolderBase]: For 56/57 co-relation queries the response was YES. [2024-11-23 23:33:22,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1061 conditions, 865 events. 66/865 cut-off events. For 56/57 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 4260 event pairs, 38 based on Foata normal form. 0/726 useless extension candidates. Maximal degree in co-relation 965. Up to 118 conditions per place. [2024-11-23 23:33:22,037 INFO L140 encePairwiseOnDemand]: 435/447 looper letters, 29 selfloop transitions, 10 changer transitions 0/351 dead transitions. [2024-11-23 23:33:22,037 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 351 transitions, 800 flow [2024-11-23 23:33:22,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:33:22,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-23 23:33:22,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2139 transitions. [2024-11-23 23:33:22,044 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7975391498881432 [2024-11-23 23:33:22,044 INFO L175 Difference]: Start difference. First operand has 355 places, 353 transitions, 726 flow. Second operand 6 states and 2139 transitions. [2024-11-23 23:33:22,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 351 transitions, 800 flow [2024-11-23 23:33:22,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 351 transitions, 799 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 23:33:22,053 INFO L231 Difference]: Finished difference. Result has 357 places, 351 transitions, 741 flow [2024-11-23 23:33:22,054 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=721, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=741, PETRI_PLACES=357, PETRI_TRANSITIONS=351} [2024-11-23 23:33:22,055 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -58 predicate places. [2024-11-23 23:33:22,056 INFO L471 AbstractCegarLoop]: Abstraction has has 357 places, 351 transitions, 741 flow [2024-11-23 23:33:22,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 351.5) internal successors, (2109), 6 states have internal predecessors, (2109), 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 23:33:22,058 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:22,059 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:33:22,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 23:33:22,059 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:22,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:22,060 INFO L85 PathProgramCache]: Analyzing trace with hash 67061026, now seen corresponding path program 1 times [2024-11-23 23:33:22,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:22,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92786966] [2024-11-23 23:33:22,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:22,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:22,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:33:22,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:22,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92786966] [2024-11-23 23:33:22,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92786966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:22,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:22,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:22,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992596898] [2024-11-23 23:33:22,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:22,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:22,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:22,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:22,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:22,143 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 447 [2024-11-23 23:33:22,145 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 351 transitions, 741 flow. Second operand has 3 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:22,145 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:22,145 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 447 [2024-11-23 23:33:22,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:22,353 INFO L124 PetriNetUnfolderBase]: 66/864 cut-off events. [2024-11-23 23:33:22,354 INFO L125 PetriNetUnfolderBase]: For 56/57 co-relation queries the response was YES. [2024-11-23 23:33:22,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1049 conditions, 864 events. 66/864 cut-off events. For 56/57 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 4238 event pairs, 38 based on Foata normal form. 0/726 useless extension candidates. Maximal degree in co-relation 1014. Up to 105 conditions per place. [2024-11-23 23:33:22,360 INFO L140 encePairwiseOnDemand]: 444/447 looper letters, 16 selfloop transitions, 2 changer transitions 0/350 dead transitions. [2024-11-23 23:33:22,361 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 350 transitions, 775 flow [2024-11-23 23:33:22,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:22,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:22,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1130 transitions. [2024-11-23 23:33:22,364 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8426547352721849 [2024-11-23 23:33:22,364 INFO L175 Difference]: Start difference. First operand has 357 places, 351 transitions, 741 flow. Second operand 3 states and 1130 transitions. [2024-11-23 23:33:22,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 350 transitions, 775 flow [2024-11-23 23:33:22,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 350 transitions, 755 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-23 23:33:22,372 INFO L231 Difference]: Finished difference. Result has 353 places, 350 transitions, 723 flow [2024-11-23 23:33:22,373 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=719, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=723, PETRI_PLACES=353, PETRI_TRANSITIONS=350} [2024-11-23 23:33:22,375 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -62 predicate places. [2024-11-23 23:33:22,375 INFO L471 AbstractCegarLoop]: Abstraction has has 353 places, 350 transitions, 723 flow [2024-11-23 23:33:22,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:22,376 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:22,376 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] [2024-11-23 23:33:22,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 23:33:22,377 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:22,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:22,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1111117116, now seen corresponding path program 1 times [2024-11-23 23:33:22,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:22,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420953248] [2024-11-23 23:33:22,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:22,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:22,453 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 23:33:22,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:22,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420953248] [2024-11-23 23:33:22,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420953248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:22,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:22,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:22,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018587152] [2024-11-23 23:33:22,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:22,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:22,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:22,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:22,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:22,468 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 447 [2024-11-23 23:33:22,470 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 350 transitions, 723 flow. Second operand has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 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 23:33:22,470 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:22,471 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 447 [2024-11-23 23:33:22,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:22,707 INFO L124 PetriNetUnfolderBase]: 66/863 cut-off events. [2024-11-23 23:33:22,707 INFO L125 PetriNetUnfolderBase]: For 56/57 co-relation queries the response was YES. [2024-11-23 23:33:22,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1038 conditions, 863 events. 66/863 cut-off events. For 56/57 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 4254 event pairs, 38 based on Foata normal form. 0/726 useless extension candidates. Maximal degree in co-relation 941. Up to 103 conditions per place. [2024-11-23 23:33:22,716 INFO L140 encePairwiseOnDemand]: 445/447 looper letters, 15 selfloop transitions, 1 changer transitions 0/349 dead transitions. [2024-11-23 23:33:22,716 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 354 places, 349 transitions, 753 flow [2024-11-23 23:33:22,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:22,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:22,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1137 transitions. [2024-11-23 23:33:22,721 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8478747203579419 [2024-11-23 23:33:22,721 INFO L175 Difference]: Start difference. First operand has 353 places, 350 transitions, 723 flow. Second operand 3 states and 1137 transitions. [2024-11-23 23:33:22,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 354 places, 349 transitions, 753 flow [2024-11-23 23:33:22,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 352 places, 349 transitions, 749 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:33:22,731 INFO L231 Difference]: Finished difference. Result has 352 places, 349 transitions, 719 flow [2024-11-23 23:33:22,731 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=717, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=719, PETRI_PLACES=352, PETRI_TRANSITIONS=349} [2024-11-23 23:33:22,732 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -63 predicate places. [2024-11-23 23:33:22,733 INFO L471 AbstractCegarLoop]: Abstraction has has 352 places, 349 transitions, 719 flow [2024-11-23 23:33:22,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 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 23:33:22,734 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:22,735 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 23:33:22,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 23:33:22,735 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:22,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:22,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1403093047, now seen corresponding path program 1 times [2024-11-23 23:33:22,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:22,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158324742] [2024-11-23 23:33:22,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:22,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:22,817 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 23:33:22,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:22,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158324742] [2024-11-23 23:33:22,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158324742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:22,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:22,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:22,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610928433] [2024-11-23 23:33:22,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:22,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:22,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:22,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:22,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:22,837 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 447 [2024-11-23 23:33:22,839 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 349 transitions, 719 flow. Second operand has 3 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:22,839 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:22,840 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 447 [2024-11-23 23:33:22,840 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:23,050 INFO L124 PetriNetUnfolderBase]: 66/862 cut-off events. [2024-11-23 23:33:23,050 INFO L125 PetriNetUnfolderBase]: For 56/57 co-relation queries the response was YES. [2024-11-23 23:33:23,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1038 conditions, 862 events. 66/862 cut-off events. For 56/57 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 4251 event pairs, 38 based on Foata normal form. 0/726 useless extension candidates. Maximal degree in co-relation 941. Up to 105 conditions per place. [2024-11-23 23:33:23,058 INFO L140 encePairwiseOnDemand]: 444/447 looper letters, 16 selfloop transitions, 2 changer transitions 0/348 dead transitions. [2024-11-23 23:33:23,058 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 348 transitions, 753 flow [2024-11-23 23:33:23,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:23,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:23,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1130 transitions. [2024-11-23 23:33:23,062 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8426547352721849 [2024-11-23 23:33:23,062 INFO L175 Difference]: Start difference. First operand has 352 places, 349 transitions, 719 flow. Second operand 3 states and 1130 transitions. [2024-11-23 23:33:23,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 348 transitions, 753 flow [2024-11-23 23:33:23,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 352 places, 348 transitions, 752 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 23:33:23,070 INFO L231 Difference]: Finished difference. Result has 352 places, 348 transitions, 720 flow [2024-11-23 23:33:23,071 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=720, PETRI_PLACES=352, PETRI_TRANSITIONS=348} [2024-11-23 23:33:23,072 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -63 predicate places. [2024-11-23 23:33:23,072 INFO L471 AbstractCegarLoop]: Abstraction has has 352 places, 348 transitions, 720 flow [2024-11-23 23:33:23,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:23,074 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:23,074 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] [2024-11-23 23:33:23,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 23:33:23,074 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:23,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:23,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1484868285, now seen corresponding path program 1 times [2024-11-23 23:33:23,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:23,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994571009] [2024-11-23 23:33:23,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:23,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:23,174 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 23:33:23,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:23,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994571009] [2024-11-23 23:33:23,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994571009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:23,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:23,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:23,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074158680] [2024-11-23 23:33:23,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:23,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:23,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:23,179 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:23,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:23,201 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 447 [2024-11-23 23:33:23,203 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 348 transitions, 720 flow. Second operand has 3 states, 3 states have (on average 369.0) internal successors, (1107), 3 states have internal predecessors, (1107), 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 23:33:23,203 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:23,203 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 447 [2024-11-23 23:33:23,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:23,481 INFO L124 PetriNetUnfolderBase]: 113/1251 cut-off events. [2024-11-23 23:33:23,481 INFO L125 PetriNetUnfolderBase]: For 81/83 co-relation queries the response was YES. [2024-11-23 23:33:23,486 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1527 conditions, 1251 events. 113/1251 cut-off events. For 81/83 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 7377 event pairs, 64 based on Foata normal form. 1/1018 useless extension candidates. Maximal degree in co-relation 1430. Up to 171 conditions per place. [2024-11-23 23:33:23,494 INFO L140 encePairwiseOnDemand]: 443/447 looper letters, 17 selfloop transitions, 1 changer transitions 2/345 dead transitions. [2024-11-23 23:33:23,495 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 345 transitions, 752 flow [2024-11-23 23:33:23,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:23,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:23,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1124 transitions. [2024-11-23 23:33:23,498 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8381804623415362 [2024-11-23 23:33:23,499 INFO L175 Difference]: Start difference. First operand has 352 places, 348 transitions, 720 flow. Second operand 3 states and 1124 transitions. [2024-11-23 23:33:23,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 345 transitions, 752 flow [2024-11-23 23:33:23,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 345 transitions, 748 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:33:23,505 INFO L231 Difference]: Finished difference. Result has 349 places, 343 transitions, 708 flow [2024-11-23 23:33:23,506 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=710, PETRI_DIFFERENCE_MINUEND_PLACES=347, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=708, PETRI_PLACES=349, PETRI_TRANSITIONS=343} [2024-11-23 23:33:23,507 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -66 predicate places. [2024-11-23 23:33:23,508 INFO L471 AbstractCegarLoop]: Abstraction has has 349 places, 343 transitions, 708 flow [2024-11-23 23:33:23,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 369.0) internal successors, (1107), 3 states have internal predecessors, (1107), 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 23:33:23,509 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:23,510 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] [2024-11-23 23:33:23,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 23:33:23,510 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:23,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:23,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1494710156, now seen corresponding path program 1 times [2024-11-23 23:33:23,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:23,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536453240] [2024-11-23 23:33:23,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:23,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:23,615 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 23:33:23,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:23,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536453240] [2024-11-23 23:33:23,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536453240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:23,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:23,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:23,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842969019] [2024-11-23 23:33:23,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:23,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:23,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:23,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:23,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:23,651 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 447 [2024-11-23 23:33:23,652 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 343 transitions, 708 flow. Second operand has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 23:33:23,653 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:23,653 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 447 [2024-11-23 23:33:23,653 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:24,008 INFO L124 PetriNetUnfolderBase]: 198/1413 cut-off events. [2024-11-23 23:33:24,008 INFO L125 PetriNetUnfolderBase]: For 128/129 co-relation queries the response was YES. [2024-11-23 23:33:24,012 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1877 conditions, 1413 events. 198/1413 cut-off events. For 128/129 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 9150 event pairs, 64 based on Foata normal form. 0/1162 useless extension candidates. Maximal degree in co-relation 1781. Up to 178 conditions per place. [2024-11-23 23:33:24,020 INFO L140 encePairwiseOnDemand]: 438/447 looper letters, 25 selfloop transitions, 5 changer transitions 0/346 dead transitions. [2024-11-23 23:33:24,021 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 346 transitions, 784 flow [2024-11-23 23:33:24,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:24,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:24,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1122 transitions. [2024-11-23 23:33:24,024 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8366890380313199 [2024-11-23 23:33:24,024 INFO L175 Difference]: Start difference. First operand has 349 places, 343 transitions, 708 flow. Second operand 3 states and 1122 transitions. [2024-11-23 23:33:24,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 346 transitions, 784 flow [2024-11-23 23:33:24,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 346 transitions, 783 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 23:33:24,031 INFO L231 Difference]: Finished difference. Result has 344 places, 339 transitions, 709 flow [2024-11-23 23:33:24,033 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=699, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=709, PETRI_PLACES=344, PETRI_TRANSITIONS=339} [2024-11-23 23:33:24,033 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -71 predicate places. [2024-11-23 23:33:24,033 INFO L471 AbstractCegarLoop]: Abstraction has has 344 places, 339 transitions, 709 flow [2024-11-23 23:33:24,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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 23:33:24,034 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:24,034 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:33:24,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-23 23:33:24,035 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:24,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:24,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1897325865, now seen corresponding path program 1 times [2024-11-23 23:33:24,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:24,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142848097] [2024-11-23 23:33:24,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:24,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:24,127 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 23:33:24,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:24,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142848097] [2024-11-23 23:33:24,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142848097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:24,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:24,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:24,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443117293] [2024-11-23 23:33:24,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:24,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:24,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:24,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:24,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:24,155 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 365 out of 447 [2024-11-23 23:33:24,157 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 339 transitions, 709 flow. Second operand has 3 states, 3 states have (on average 366.6666666666667) internal successors, (1100), 3 states have internal predecessors, (1100), 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 23:33:24,157 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:24,157 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 365 of 447 [2024-11-23 23:33:24,157 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:24,763 INFO L124 PetriNetUnfolderBase]: 490/2322 cut-off events. [2024-11-23 23:33:24,763 INFO L125 PetriNetUnfolderBase]: For 200/200 co-relation queries the response was YES. [2024-11-23 23:33:24,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3337 conditions, 2322 events. 490/2322 cut-off events. For 200/200 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 17467 event pairs, 104 based on Foata normal form. 0/2015 useless extension candidates. Maximal degree in co-relation 3240. Up to 661 conditions per place. [2024-11-23 23:33:24,779 INFO L140 encePairwiseOnDemand]: 439/447 looper letters, 29 selfloop transitions, 4 changer transitions 0/346 dead transitions. [2024-11-23 23:33:24,779 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 346 transitions, 795 flow [2024-11-23 23:33:24,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:24,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:24,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1130 transitions. [2024-11-23 23:33:24,784 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8426547352721849 [2024-11-23 23:33:24,784 INFO L175 Difference]: Start difference. First operand has 344 places, 339 transitions, 709 flow. Second operand 3 states and 1130 transitions. [2024-11-23 23:33:24,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 346 transitions, 795 flow [2024-11-23 23:33:24,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 346 transitions, 785 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:33:24,793 INFO L231 Difference]: Finished difference. Result has 341 places, 339 transitions, 719 flow [2024-11-23 23:33:24,793 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=691, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=719, PETRI_PLACES=341, PETRI_TRANSITIONS=339} [2024-11-23 23:33:24,794 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -74 predicate places. [2024-11-23 23:33:24,794 INFO L471 AbstractCegarLoop]: Abstraction has has 341 places, 339 transitions, 719 flow [2024-11-23 23:33:24,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 366.6666666666667) internal successors, (1100), 3 states have internal predecessors, (1100), 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 23:33:24,795 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:24,795 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] [2024-11-23 23:33:24,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-23 23:33:24,795 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:24,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:24,796 INFO L85 PathProgramCache]: Analyzing trace with hash 204329744, now seen corresponding path program 1 times [2024-11-23 23:33:24,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:24,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286430087] [2024-11-23 23:33:24,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:24,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:24,884 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 23:33:24,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:24,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286430087] [2024-11-23 23:33:24,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286430087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:24,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:24,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:24,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313858067] [2024-11-23 23:33:24,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:24,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:24,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:24,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:24,888 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:24,911 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 447 [2024-11-23 23:33:24,913 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 339 transitions, 719 flow. Second operand has 3 states, 3 states have (on average 372.6666666666667) internal successors, (1118), 3 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:24,913 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:24,913 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 447 [2024-11-23 23:33:24,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:25,437 INFO L124 PetriNetUnfolderBase]: 430/1672 cut-off events. [2024-11-23 23:33:25,437 INFO L125 PetriNetUnfolderBase]: For 182/183 co-relation queries the response was YES. [2024-11-23 23:33:25,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2595 conditions, 1672 events. 430/1672 cut-off events. For 182/183 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 11285 event pairs, 196 based on Foata normal form. 0/1421 useless extension candidates. Maximal degree in co-relation 2499. Up to 492 conditions per place. [2024-11-23 23:33:25,453 INFO L140 encePairwiseOnDemand]: 444/447 looper letters, 23 selfloop transitions, 2 changer transitions 0/344 dead transitions. [2024-11-23 23:33:25,453 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 344 transitions, 785 flow [2024-11-23 23:33:25,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:25,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:25,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1136 transitions. [2024-11-23 23:33:25,457 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8471290082028337 [2024-11-23 23:33:25,457 INFO L175 Difference]: Start difference. First operand has 341 places, 339 transitions, 719 flow. Second operand 3 states and 1136 transitions. [2024-11-23 23:33:25,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 344 transitions, 785 flow [2024-11-23 23:33:25,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 344 transitions, 785 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-23 23:33:25,464 INFO L231 Difference]: Finished difference. Result has 342 places, 338 transitions, 721 flow [2024-11-23 23:33:25,465 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=717, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=721, PETRI_PLACES=342, PETRI_TRANSITIONS=338} [2024-11-23 23:33:25,465 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -73 predicate places. [2024-11-23 23:33:25,466 INFO L471 AbstractCegarLoop]: Abstraction has has 342 places, 338 transitions, 721 flow [2024-11-23 23:33:25,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 372.6666666666667) internal successors, (1118), 3 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:25,466 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:25,467 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] [2024-11-23 23:33:25,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-23 23:33:25,467 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:25,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:25,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1877712764, now seen corresponding path program 1 times [2024-11-23 23:33:25,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:25,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759969949] [2024-11-23 23:33:25,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:25,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:25,597 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 23:33:25,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:25,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759969949] [2024-11-23 23:33:25,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759969949] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:25,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:25,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:25,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156669097] [2024-11-23 23:33:25,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:25,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:25,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:25,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:25,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:25,651 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 447 [2024-11-23 23:33:25,653 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 338 transitions, 721 flow. Second operand has 3 states, 3 states have (on average 370.0) internal successors, (1110), 3 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:25,654 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:25,654 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 447 [2024-11-23 23:33:25,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:26,314 INFO L124 PetriNetUnfolderBase]: 383/2437 cut-off events. [2024-11-23 23:33:26,314 INFO L125 PetriNetUnfolderBase]: For 214/217 co-relation queries the response was YES. [2024-11-23 23:33:26,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3366 conditions, 2437 events. 383/2437 cut-off events. For 214/217 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 19279 event pairs, 165 based on Foata normal form. 0/2029 useless extension candidates. Maximal degree in co-relation 3269. Up to 414 conditions per place. [2024-11-23 23:33:26,340 INFO L140 encePairwiseOnDemand]: 444/447 looper letters, 27 selfloop transitions, 2 changer transitions 0/344 dead transitions. [2024-11-23 23:33:26,340 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 344 transitions, 801 flow [2024-11-23 23:33:26,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:26,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:26,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1130 transitions. [2024-11-23 23:33:26,344 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8426547352721849 [2024-11-23 23:33:26,344 INFO L175 Difference]: Start difference. First operand has 342 places, 338 transitions, 721 flow. Second operand 3 states and 1130 transitions. [2024-11-23 23:33:26,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 344 transitions, 801 flow [2024-11-23 23:33:26,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 344 transitions, 797 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:33:26,352 INFO L231 Difference]: Finished difference. Result has 341 places, 337 transitions, 719 flow [2024-11-23 23:33:26,352 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=715, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=719, PETRI_PLACES=341, PETRI_TRANSITIONS=337} [2024-11-23 23:33:26,353 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -74 predicate places. [2024-11-23 23:33:26,353 INFO L471 AbstractCegarLoop]: Abstraction has has 341 places, 337 transitions, 719 flow [2024-11-23 23:33:26,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.0) internal successors, (1110), 3 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:26,354 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:26,354 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] [2024-11-23 23:33:26,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-23 23:33:26,354 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread1Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:26,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:26,356 INFO L85 PathProgramCache]: Analyzing trace with hash -380241022, now seen corresponding path program 1 times [2024-11-23 23:33:26,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:26,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841552047] [2024-11-23 23:33:26,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:26,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:26,440 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 23:33:26,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:26,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841552047] [2024-11-23 23:33:26,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841552047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:26,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:26,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:26,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332028610] [2024-11-23 23:33:26,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:26,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:26,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:26,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:26,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:26,489 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 447 [2024-11-23 23:33:26,491 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 337 transitions, 719 flow. Second operand has 3 states, 3 states have (on average 370.0) internal successors, (1110), 3 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:26,491 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:26,491 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 447 [2024-11-23 23:33:26,491 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:27,046 INFO L124 PetriNetUnfolderBase]: 368/2516 cut-off events. [2024-11-23 23:33:27,046 INFO L125 PetriNetUnfolderBase]: For 219/220 co-relation queries the response was YES. [2024-11-23 23:33:27,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3435 conditions, 2516 events. 368/2516 cut-off events. For 219/220 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 20582 event pairs, 168 based on Foata normal form. 0/2106 useless extension candidates. Maximal degree in co-relation 3338. Up to 407 conditions per place. [2024-11-23 23:33:27,072 INFO L140 encePairwiseOnDemand]: 444/447 looper letters, 27 selfloop transitions, 2 changer transitions 0/343 dead transitions. [2024-11-23 23:33:27,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 343 transitions, 799 flow [2024-11-23 23:33:27,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:27,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:27,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1130 transitions. [2024-11-23 23:33:27,076 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8426547352721849 [2024-11-23 23:33:27,076 INFO L175 Difference]: Start difference. First operand has 341 places, 337 transitions, 719 flow. Second operand 3 states and 1130 transitions. [2024-11-23 23:33:27,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 343 transitions, 799 flow [2024-11-23 23:33:27,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 343 transitions, 795 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:33:27,083 INFO L231 Difference]: Finished difference. Result has 340 places, 336 transitions, 717 flow [2024-11-23 23:33:27,084 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=713, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=717, PETRI_PLACES=340, PETRI_TRANSITIONS=336} [2024-11-23 23:33:27,084 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -75 predicate places. [2024-11-23 23:33:27,084 INFO L471 AbstractCegarLoop]: Abstraction has has 340 places, 336 transitions, 717 flow [2024-11-23 23:33:27,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.0) internal successors, (1110), 3 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:27,085 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:27,085 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] [2024-11-23 23:33:27,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-23 23:33:27,086 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:27,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:27,087 INFO L85 PathProgramCache]: Analyzing trace with hash 419461842, now seen corresponding path program 1 times [2024-11-23 23:33:27,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:27,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411767715] [2024-11-23 23:33:27,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:27,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:27,200 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 23:33:27,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:27,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411767715] [2024-11-23 23:33:27,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411767715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:27,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:27,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:27,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626784967] [2024-11-23 23:33:27,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:27,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:27,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:27,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:27,203 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:27,225 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 447 [2024-11-23 23:33:27,227 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 336 transitions, 717 flow. Second operand has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 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 23:33:27,227 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:27,227 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 447 [2024-11-23 23:33:27,227 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:27,644 INFO L124 PetriNetUnfolderBase]: 385/1658 cut-off events. [2024-11-23 23:33:27,645 INFO L125 PetriNetUnfolderBase]: For 184/185 co-relation queries the response was YES. [2024-11-23 23:33:27,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2489 conditions, 1658 events. 385/1658 cut-off events. For 184/185 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 10993 event pairs, 137 based on Foata normal form. 0/1444 useless extension candidates. Maximal degree in co-relation 2392. Up to 362 conditions per place. [2024-11-23 23:33:27,661 INFO L140 encePairwiseOnDemand]: 444/447 looper letters, 21 selfloop transitions, 2 changer transitions 0/341 dead transitions. [2024-11-23 23:33:27,661 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 341 transitions, 779 flow [2024-11-23 23:33:27,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:27,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:27,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1140 transitions. [2024-11-23 23:33:27,665 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8501118568232662 [2024-11-23 23:33:27,665 INFO L175 Difference]: Start difference. First operand has 340 places, 336 transitions, 717 flow. Second operand 3 states and 1140 transitions. [2024-11-23 23:33:27,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 341 transitions, 779 flow [2024-11-23 23:33:27,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 341 transitions, 775 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:33:27,672 INFO L231 Difference]: Finished difference. Result has 339 places, 335 transitions, 715 flow [2024-11-23 23:33:27,672 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=711, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=715, PETRI_PLACES=339, PETRI_TRANSITIONS=335} [2024-11-23 23:33:27,673 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -76 predicate places. [2024-11-23 23:33:27,673 INFO L471 AbstractCegarLoop]: Abstraction has has 339 places, 335 transitions, 715 flow [2024-11-23 23:33:27,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 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 23:33:27,674 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:27,674 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] [2024-11-23 23:33:27,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-23 23:33:27,674 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:27,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:27,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1345610144, now seen corresponding path program 1 times [2024-11-23 23:33:27,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:27,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115167154] [2024-11-23 23:33:27,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:27,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:27,749 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 23:33:27,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:27,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115167154] [2024-11-23 23:33:27,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115167154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:27,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:27,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:27,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348675690] [2024-11-23 23:33:27,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:27,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:27,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:27,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:27,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:27,777 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 447 [2024-11-23 23:33:27,778 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 335 transitions, 715 flow. Second operand has 3 states, 3 states have (on average 372.0) internal successors, (1116), 3 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:27,778 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:27,778 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 447 [2024-11-23 23:33:27,779 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:28,363 INFO L124 PetriNetUnfolderBase]: 520/2155 cut-off events. [2024-11-23 23:33:28,364 INFO L125 PetriNetUnfolderBase]: For 213/263 co-relation queries the response was YES. [2024-11-23 23:33:28,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3254 conditions, 2155 events. 520/2155 cut-off events. For 213/263 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 16087 event pairs, 220 based on Foata normal form. 0/1866 useless extension candidates. Maximal degree in co-relation 3157. Up to 567 conditions per place. [2024-11-23 23:33:28,381 INFO L140 encePairwiseOnDemand]: 444/447 looper letters, 25 selfloop transitions, 2 changer transitions 0/341 dead transitions. [2024-11-23 23:33:28,382 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 341 transitions, 787 flow [2024-11-23 23:33:28,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:28,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:28,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1135 transitions. [2024-11-23 23:33:28,385 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8463832960477256 [2024-11-23 23:33:28,385 INFO L175 Difference]: Start difference. First operand has 339 places, 335 transitions, 715 flow. Second operand 3 states and 1135 transitions. [2024-11-23 23:33:28,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 341 transitions, 787 flow [2024-11-23 23:33:28,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 341 transitions, 783 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:33:28,392 INFO L231 Difference]: Finished difference. Result has 338 places, 334 transitions, 713 flow [2024-11-23 23:33:28,392 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=709, PETRI_DIFFERENCE_MINUEND_PLACES=336, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=713, PETRI_PLACES=338, PETRI_TRANSITIONS=334} [2024-11-23 23:33:28,393 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -77 predicate places. [2024-11-23 23:33:28,394 INFO L471 AbstractCegarLoop]: Abstraction has has 338 places, 334 transitions, 713 flow [2024-11-23 23:33:28,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 372.0) internal successors, (1116), 3 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:28,394 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:28,394 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] [2024-11-23 23:33:28,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-23 23:33:28,395 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:28,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:28,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1596195413, now seen corresponding path program 1 times [2024-11-23 23:33:28,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:28,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353442216] [2024-11-23 23:33:28,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:28,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:28,496 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 23:33:28,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:28,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353442216] [2024-11-23 23:33:28,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353442216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:28,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:28,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:28,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437229225] [2024-11-23 23:33:28,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:28,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:28,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:28,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:28,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:28,521 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 447 [2024-11-23 23:33:28,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 334 transitions, 713 flow. Second operand has 3 states, 3 states have (on average 374.0) internal successors, (1122), 3 states have internal predecessors, (1122), 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 23:33:28,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:28,522 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 447 [2024-11-23 23:33:28,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:28,969 INFO L124 PetriNetUnfolderBase]: 475/1646 cut-off events. [2024-11-23 23:33:28,969 INFO L125 PetriNetUnfolderBase]: For 213/214 co-relation queries the response was YES. [2024-11-23 23:33:28,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2661 conditions, 1646 events. 475/1646 cut-off events. For 213/214 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 10845 event pairs, 199 based on Foata normal form. 0/1470 useless extension candidates. Maximal degree in co-relation 2564. Up to 513 conditions per place. [2024-11-23 23:33:28,984 INFO L140 encePairwiseOnDemand]: 444/447 looper letters, 23 selfloop transitions, 2 changer transitions 0/339 dead transitions. [2024-11-23 23:33:28,985 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 339 transitions, 779 flow [2024-11-23 23:33:28,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:28,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:28,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1136 transitions. [2024-11-23 23:33:28,988 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8471290082028337 [2024-11-23 23:33:28,989 INFO L175 Difference]: Start difference. First operand has 338 places, 334 transitions, 713 flow. Second operand 3 states and 1136 transitions. [2024-11-23 23:33:28,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 339 transitions, 779 flow [2024-11-23 23:33:28,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 339 transitions, 775 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:33:28,995 INFO L231 Difference]: Finished difference. Result has 337 places, 333 transitions, 711 flow [2024-11-23 23:33:28,996 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=707, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=711, PETRI_PLACES=337, PETRI_TRANSITIONS=333} [2024-11-23 23:33:28,996 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -78 predicate places. [2024-11-23 23:33:28,996 INFO L471 AbstractCegarLoop]: Abstraction has has 337 places, 333 transitions, 711 flow [2024-11-23 23:33:28,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 374.0) internal successors, (1122), 3 states have internal predecessors, (1122), 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 23:33:28,997 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:28,997 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] [2024-11-23 23:33:28,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-23 23:33:28,998 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread3Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:28,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:28,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1920758704, now seen corresponding path program 1 times [2024-11-23 23:33:28,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:28,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145331462] [2024-11-23 23:33:28,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:28,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:29,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:33:29,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:29,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145331462] [2024-11-23 23:33:29,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145331462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:29,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:29,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:29,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862346310] [2024-11-23 23:33:29,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:29,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:29,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:29,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:29,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:29,102 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 447 [2024-11-23 23:33:29,103 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 333 transitions, 711 flow. Second operand has 3 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:29,104 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:29,104 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 447 [2024-11-23 23:33:29,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:29,728 INFO L124 PetriNetUnfolderBase]: 420/2019 cut-off events. [2024-11-23 23:33:29,729 INFO L125 PetriNetUnfolderBase]: For 193/206 co-relation queries the response was YES. [2024-11-23 23:33:29,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2944 conditions, 2019 events. 420/2019 cut-off events. For 193/206 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 15253 event pairs, 146 based on Foata normal form. 1/1804 useless extension candidates. Maximal degree in co-relation 2847. Up to 384 conditions per place. [2024-11-23 23:33:29,749 INFO L140 encePairwiseOnDemand]: 442/447 looper letters, 22 selfloop transitions, 2 changer transitions 6/338 dead transitions. [2024-11-23 23:33:29,749 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 338 transitions, 777 flow [2024-11-23 23:33:29,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:29,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:29,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1134 transitions. [2024-11-23 23:33:29,753 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8456375838926175 [2024-11-23 23:33:29,753 INFO L175 Difference]: Start difference. First operand has 337 places, 333 transitions, 711 flow. Second operand 3 states and 1134 transitions. [2024-11-23 23:33:29,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 338 transitions, 777 flow [2024-11-23 23:33:29,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 335 places, 338 transitions, 773 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:33:29,760 INFO L231 Difference]: Finished difference. Result has 335 places, 325 transitions, 695 flow [2024-11-23 23:33:29,761 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=703, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=695, PETRI_PLACES=335, PETRI_TRANSITIONS=325} [2024-11-23 23:33:29,762 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -80 predicate places. [2024-11-23 23:33:29,762 INFO L471 AbstractCegarLoop]: Abstraction has has 335 places, 325 transitions, 695 flow [2024-11-23 23:33:29,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:29,763 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:29,763 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] [2024-11-23 23:33:29,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-23 23:33:29,763 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:29,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:29,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1618518524, now seen corresponding path program 1 times [2024-11-23 23:33:29,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:29,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850397576] [2024-11-23 23:33:29,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:29,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:29,854 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 23:33:29,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:29,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850397576] [2024-11-23 23:33:29,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850397576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:29,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:29,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:29,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514481024] [2024-11-23 23:33:29,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:29,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:29,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:29,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:29,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:29,875 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 447 [2024-11-23 23:33:29,877 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 325 transitions, 695 flow. Second operand has 3 states, 3 states have (on average 373.0) internal successors, (1119), 3 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:29,877 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:29,877 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 447 [2024-11-23 23:33:29,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:30,266 INFO L124 PetriNetUnfolderBase]: 322/1592 cut-off events. [2024-11-23 23:33:30,266 INFO L125 PetriNetUnfolderBase]: For 151/151 co-relation queries the response was YES. [2024-11-23 23:33:30,276 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2335 conditions, 1592 events. 322/1592 cut-off events. For 151/151 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 10828 event pairs, 98 based on Foata normal form. 0/1458 useless extension candidates. Maximal degree in co-relation 2238. Up to 265 conditions per place. [2024-11-23 23:33:30,283 INFO L140 encePairwiseOnDemand]: 442/447 looper letters, 21 selfloop transitions, 3 changer transitions 0/329 dead transitions. [2024-11-23 23:33:30,283 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 329 transitions, 757 flow [2024-11-23 23:33:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:30,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:30,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1136 transitions. [2024-11-23 23:33:30,287 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8471290082028337 [2024-11-23 23:33:30,287 INFO L175 Difference]: Start difference. First operand has 335 places, 325 transitions, 695 flow. Second operand 3 states and 1136 transitions. [2024-11-23 23:33:30,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 329 transitions, 757 flow [2024-11-23 23:33:30,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 329 transitions, 753 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:33:30,294 INFO L231 Difference]: Finished difference. Result has 328 places, 323 transitions, 693 flow [2024-11-23 23:33:30,295 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=687, PETRI_DIFFERENCE_MINUEND_PLACES=326, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=693, PETRI_PLACES=328, PETRI_TRANSITIONS=323} [2024-11-23 23:33:30,295 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -87 predicate places. [2024-11-23 23:33:30,296 INFO L471 AbstractCegarLoop]: Abstraction has has 328 places, 323 transitions, 693 flow [2024-11-23 23:33:30,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.0) internal successors, (1119), 3 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:30,296 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:30,297 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] [2024-11-23 23:33:30,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-23 23:33:30,297 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread3Err12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:30,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:30,298 INFO L85 PathProgramCache]: Analyzing trace with hash -793001901, now seen corresponding path program 1 times [2024-11-23 23:33:30,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:30,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997151784] [2024-11-23 23:33:30,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:30,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:30,392 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 23:33:30,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:30,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997151784] [2024-11-23 23:33:30,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997151784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:30,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:30,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:30,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713915373] [2024-11-23 23:33:30,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:30,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:30,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:30,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:30,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:30,424 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 447 [2024-11-23 23:33:30,425 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 323 transitions, 693 flow. Second operand has 3 states, 3 states have (on average 373.0) internal successors, (1119), 3 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:30,426 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:30,426 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 447 [2024-11-23 23:33:30,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:30,951 INFO L124 PetriNetUnfolderBase]: 523/2110 cut-off events. [2024-11-23 23:33:30,952 INFO L125 PetriNetUnfolderBase]: For 230/261 co-relation queries the response was YES. [2024-11-23 23:33:30,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3212 conditions, 2110 events. 523/2110 cut-off events. For 230/261 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 15829 event pairs, 216 based on Foata normal form. 0/1931 useless extension candidates. Maximal degree in co-relation 3115. Up to 545 conditions per place. [2024-11-23 23:33:30,971 INFO L140 encePairwiseOnDemand]: 444/447 looper letters, 24 selfloop transitions, 2 changer transitions 0/329 dead transitions. [2024-11-23 23:33:30,971 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 329 transitions, 763 flow [2024-11-23 23:33:30,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:30,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:30,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1134 transitions. [2024-11-23 23:33:30,975 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8456375838926175 [2024-11-23 23:33:30,975 INFO L175 Difference]: Start difference. First operand has 328 places, 323 transitions, 693 flow. Second operand 3 states and 1134 transitions. [2024-11-23 23:33:30,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 329 transitions, 763 flow [2024-11-23 23:33:30,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 329 transitions, 757 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:33:30,981 INFO L231 Difference]: Finished difference. Result has 327 places, 322 transitions, 689 flow [2024-11-23 23:33:30,982 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=685, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=689, PETRI_PLACES=327, PETRI_TRANSITIONS=322} [2024-11-23 23:33:30,982 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -88 predicate places. [2024-11-23 23:33:30,983 INFO L471 AbstractCegarLoop]: Abstraction has has 327 places, 322 transitions, 689 flow [2024-11-23 23:33:30,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.0) internal successors, (1119), 3 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:30,987 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:30,987 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] [2024-11-23 23:33:30,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-23 23:33:30,991 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting thread3Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:30,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:30,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1997624908, now seen corresponding path program 1 times [2024-11-23 23:33:30,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:30,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038390240] [2024-11-23 23:33:30,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:30,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:31,071 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 23:33:31,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:31,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038390240] [2024-11-23 23:33:31,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038390240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:31,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:31,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:31,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945468187] [2024-11-23 23:33:31,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:31,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:31,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:31,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:31,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:31,090 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 447 [2024-11-23 23:33:31,092 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 322 transitions, 689 flow. Second operand has 3 states, 3 states have (on average 373.0) internal successors, (1119), 3 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:31,092 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:31,093 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 447 [2024-11-23 23:33:31,093 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:31,553 INFO L124 PetriNetUnfolderBase]: 353/1722 cut-off events. [2024-11-23 23:33:31,553 INFO L125 PetriNetUnfolderBase]: For 167/171 co-relation queries the response was YES. [2024-11-23 23:33:31,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2504 conditions, 1722 events. 353/1722 cut-off events. For 167/171 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 11816 event pairs, 106 based on Foata normal form. 1/1613 useless extension candidates. Maximal degree in co-relation 2407. Up to 286 conditions per place. [2024-11-23 23:33:31,581 INFO L140 encePairwiseOnDemand]: 442/447 looper letters, 20 selfloop transitions, 2 changer transitions 10/327 dead transitions. [2024-11-23 23:33:31,581 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 327 transitions, 753 flow [2024-11-23 23:33:31,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:31,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:31,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1136 transitions. [2024-11-23 23:33:31,584 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8471290082028337 [2024-11-23 23:33:31,584 INFO L175 Difference]: Start difference. First operand has 327 places, 322 transitions, 689 flow. Second operand 3 states and 1136 transitions. [2024-11-23 23:33:31,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 327 transitions, 753 flow [2024-11-23 23:33:31,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 327 transitions, 749 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:33:31,591 INFO L231 Difference]: Finished difference. Result has 325 places, 310 transitions, 664 flow [2024-11-23 23:33:31,591 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=681, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=664, PETRI_PLACES=325, PETRI_TRANSITIONS=310} [2024-11-23 23:33:31,597 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -90 predicate places. [2024-11-23 23:33:31,597 INFO L471 AbstractCegarLoop]: Abstraction has has 325 places, 310 transitions, 664 flow [2024-11-23 23:33:31,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.0) internal successors, (1119), 3 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:31,597 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:31,597 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] [2024-11-23 23:33:31,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-23 23:33:31,598 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting thread2Err23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:31,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:31,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1146940183, now seen corresponding path program 1 times [2024-11-23 23:33:31,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:31,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091586996] [2024-11-23 23:33:31,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:31,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:31,683 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 23:33:31,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:31,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091586996] [2024-11-23 23:33:31,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091586996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:31,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:31,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:31,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403192780] [2024-11-23 23:33:31,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:31,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:31,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:31,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:31,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:31,709 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 447 [2024-11-23 23:33:31,711 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 310 transitions, 664 flow. Second operand has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:31,712 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:31,712 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 447 [2024-11-23 23:33:31,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:32,091 INFO L124 PetriNetUnfolderBase]: 364/1587 cut-off events. [2024-11-23 23:33:32,091 INFO L125 PetriNetUnfolderBase]: For 176/176 co-relation queries the response was YES. [2024-11-23 23:33:32,098 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2424 conditions, 1587 events. 364/1587 cut-off events. For 176/176 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 10339 event pairs, 147 based on Foata normal form. 0/1482 useless extension candidates. Maximal degree in co-relation 2327. Up to 397 conditions per place. [2024-11-23 23:33:32,105 INFO L140 encePairwiseOnDemand]: 444/447 looper letters, 21 selfloop transitions, 2 changer transitions 0/315 dead transitions. [2024-11-23 23:33:32,105 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 315 transitions, 726 flow [2024-11-23 23:33:32,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:32,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:32,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1134 transitions. [2024-11-23 23:33:32,108 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8456375838926175 [2024-11-23 23:33:32,108 INFO L175 Difference]: Start difference. First operand has 325 places, 310 transitions, 664 flow. Second operand 3 states and 1134 transitions. [2024-11-23 23:33:32,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 315 transitions, 726 flow [2024-11-23 23:33:32,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 315 transitions, 722 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:33:32,114 INFO L231 Difference]: Finished difference. Result has 314 places, 309 transitions, 662 flow [2024-11-23 23:33:32,114 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=658, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=662, PETRI_PLACES=314, PETRI_TRANSITIONS=309} [2024-11-23 23:33:32,116 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -101 predicate places. [2024-11-23 23:33:32,117 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 309 transitions, 662 flow [2024-11-23 23:33:32,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:32,118 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:33:32,118 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] [2024-11-23 23:33:32,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-23 23:33:32,118 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting thread3Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 148 more)] === [2024-11-23 23:33:32,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:33:32,120 INFO L85 PathProgramCache]: Analyzing trace with hash -561275431, now seen corresponding path program 1 times [2024-11-23 23:33:32,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:33:32,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72967531] [2024-11-23 23:33:32,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:33:32,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:33:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:33:32,196 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 23:33:32,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:33:32,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72967531] [2024-11-23 23:33:32,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72967531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:33:32,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:33:32,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:33:32,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008424221] [2024-11-23 23:33:32,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:33:32,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:33:32,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:33:32,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:33:32,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:33:32,223 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 447 [2024-11-23 23:33:32,224 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 309 transitions, 662 flow. Second operand has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:32,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:33:32,224 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 447 [2024-11-23 23:33:32,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:33:32,657 INFO L124 PetriNetUnfolderBase]: 415/1854 cut-off events. [2024-11-23 23:33:32,657 INFO L125 PetriNetUnfolderBase]: For 200/208 co-relation queries the response was YES. [2024-11-23 23:33:32,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2774 conditions, 1854 events. 415/1854 cut-off events. For 200/208 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 12965 event pairs, 166 based on Foata normal form. 0/1749 useless extension candidates. Maximal degree in co-relation 2677. Up to 440 conditions per place. [2024-11-23 23:33:32,664 INFO L140 encePairwiseOnDemand]: 444/447 looper letters, 0 selfloop transitions, 0 changer transitions 315/315 dead transitions. [2024-11-23 23:33:32,664 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 315 transitions, 728 flow [2024-11-23 23:33:32,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:33:32,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:33:32,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1135 transitions. [2024-11-23 23:33:32,668 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8463832960477256 [2024-11-23 23:33:32,668 INFO L175 Difference]: Start difference. First operand has 314 places, 309 transitions, 662 flow. Second operand 3 states and 1135 transitions. [2024-11-23 23:33:32,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 315 transitions, 728 flow [2024-11-23 23:33:32,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 315 transitions, 724 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:33:32,672 INFO L231 Difference]: Finished difference. Result has 313 places, 0 transitions, 0 flow [2024-11-23 23:33:32,673 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=656, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=313, PETRI_TRANSITIONS=0} [2024-11-23 23:33:32,674 INFO L279 CegarLoopForPetriNet]: 415 programPoint places, -102 predicate places. [2024-11-23 23:33:32,674 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 0 transitions, 0 flow [2024-11-23 23:33:32,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:33:32,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (151 of 152 remaining) [2024-11-23 23:33:32,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (150 of 152 remaining) [2024-11-23 23:33:32,682 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (149 of 152 remaining) [2024-11-23 23:33:32,682 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (148 of 152 remaining) [2024-11-23 23:33:32,682 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (147 of 152 remaining) [2024-11-23 23:33:32,682 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (146 of 152 remaining) [2024-11-23 23:33:32,682 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (145 of 152 remaining) [2024-11-23 23:33:32,682 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (144 of 152 remaining) [2024-11-23 23:33:32,682 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (143 of 152 remaining) [2024-11-23 23:33:32,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (142 of 152 remaining) [2024-11-23 23:33:32,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (141 of 152 remaining) [2024-11-23 23:33:32,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (140 of 152 remaining) [2024-11-23 23:33:32,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (139 of 152 remaining) [2024-11-23 23:33:32,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (138 of 152 remaining) [2024-11-23 23:33:32,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (137 of 152 remaining) [2024-11-23 23:33:32,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (136 of 152 remaining) [2024-11-23 23:33:32,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (135 of 152 remaining) [2024-11-23 23:33:32,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (134 of 152 remaining) [2024-11-23 23:33:32,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (133 of 152 remaining) [2024-11-23 23:33:32,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (132 of 152 remaining) [2024-11-23 23:33:32,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (131 of 152 remaining) [2024-11-23 23:33:32,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (130 of 152 remaining) [2024-11-23 23:33:32,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (129 of 152 remaining) [2024-11-23 23:33:32,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (128 of 152 remaining) [2024-11-23 23:33:32,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (127 of 152 remaining) [2024-11-23 23:33:32,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (126 of 152 remaining) [2024-11-23 23:33:32,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (125 of 152 remaining) [2024-11-23 23:33:32,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (124 of 152 remaining) [2024-11-23 23:33:32,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (123 of 152 remaining) [2024-11-23 23:33:32,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (122 of 152 remaining) [2024-11-23 23:33:32,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (121 of 152 remaining) [2024-11-23 23:33:32,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (120 of 152 remaining) [2024-11-23 23:33:32,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (119 of 152 remaining) [2024-11-23 23:33:32,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (118 of 152 remaining) [2024-11-23 23:33:32,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (117 of 152 remaining) [2024-11-23 23:33:32,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (116 of 152 remaining) [2024-11-23 23:33:32,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (115 of 152 remaining) [2024-11-23 23:33:32,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (114 of 152 remaining) [2024-11-23 23:33:32,687 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (113 of 152 remaining) [2024-11-23 23:33:32,687 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (112 of 152 remaining) [2024-11-23 23:33:32,687 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (111 of 152 remaining) [2024-11-23 23:33:32,687 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (110 of 152 remaining) [2024-11-23 23:33:32,688 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (109 of 152 remaining) [2024-11-23 23:33:32,688 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (108 of 152 remaining) [2024-11-23 23:33:32,688 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (107 of 152 remaining) [2024-11-23 23:33:32,688 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (106 of 152 remaining) [2024-11-23 23:33:32,688 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (105 of 152 remaining) [2024-11-23 23:33:32,688 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (104 of 152 remaining) [2024-11-23 23:33:32,688 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (103 of 152 remaining) [2024-11-23 23:33:32,688 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (102 of 152 remaining) [2024-11-23 23:33:32,688 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (101 of 152 remaining) [2024-11-23 23:33:32,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (100 of 152 remaining) [2024-11-23 23:33:32,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (99 of 152 remaining) [2024-11-23 23:33:32,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (98 of 152 remaining) [2024-11-23 23:33:32,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (97 of 152 remaining) [2024-11-23 23:33:32,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (96 of 152 remaining) [2024-11-23 23:33:32,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (95 of 152 remaining) [2024-11-23 23:33:32,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (94 of 152 remaining) [2024-11-23 23:33:32,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (93 of 152 remaining) [2024-11-23 23:33:32,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (92 of 152 remaining) [2024-11-23 23:33:32,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (91 of 152 remaining) [2024-11-23 23:33:32,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (90 of 152 remaining) [2024-11-23 23:33:32,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (89 of 152 remaining) [2024-11-23 23:33:32,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (88 of 152 remaining) [2024-11-23 23:33:32,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (87 of 152 remaining) [2024-11-23 23:33:32,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (86 of 152 remaining) [2024-11-23 23:33:32,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (85 of 152 remaining) [2024-11-23 23:33:32,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (84 of 152 remaining) [2024-11-23 23:33:32,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (83 of 152 remaining) [2024-11-23 23:33:32,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (82 of 152 remaining) [2024-11-23 23:33:32,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (81 of 152 remaining) [2024-11-23 23:33:32,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (80 of 152 remaining) [2024-11-23 23:33:32,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (79 of 152 remaining) [2024-11-23 23:33:32,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (78 of 152 remaining) [2024-11-23 23:33:32,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (77 of 152 remaining) [2024-11-23 23:33:32,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (76 of 152 remaining) [2024-11-23 23:33:32,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (75 of 152 remaining) [2024-11-23 23:33:32,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (74 of 152 remaining) [2024-11-23 23:33:32,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (73 of 152 remaining) [2024-11-23 23:33:32,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (72 of 152 remaining) [2024-11-23 23:33:32,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (71 of 152 remaining) [2024-11-23 23:33:32,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (70 of 152 remaining) [2024-11-23 23:33:32,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (69 of 152 remaining) [2024-11-23 23:33:32,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (68 of 152 remaining) [2024-11-23 23:33:32,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (67 of 152 remaining) [2024-11-23 23:33:32,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (66 of 152 remaining) [2024-11-23 23:33:32,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (65 of 152 remaining) [2024-11-23 23:33:32,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (64 of 152 remaining) [2024-11-23 23:33:32,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (63 of 152 remaining) [2024-11-23 23:33:32,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (62 of 152 remaining) [2024-11-23 23:33:32,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (61 of 152 remaining) [2024-11-23 23:33:32,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (60 of 152 remaining) [2024-11-23 23:33:32,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (59 of 152 remaining) [2024-11-23 23:33:32,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (58 of 152 remaining) [2024-11-23 23:33:32,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (57 of 152 remaining) [2024-11-23 23:33:32,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (56 of 152 remaining) [2024-11-23 23:33:32,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (55 of 152 remaining) [2024-11-23 23:33:32,695 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (54 of 152 remaining) [2024-11-23 23:33:32,695 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (53 of 152 remaining) [2024-11-23 23:33:32,695 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (52 of 152 remaining) [2024-11-23 23:33:32,695 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (51 of 152 remaining) [2024-11-23 23:33:32,695 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (50 of 152 remaining) [2024-11-23 23:33:32,695 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (49 of 152 remaining) [2024-11-23 23:33:32,695 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (48 of 152 remaining) [2024-11-23 23:33:32,695 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (47 of 152 remaining) [2024-11-23 23:33:32,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (46 of 152 remaining) [2024-11-23 23:33:32,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (45 of 152 remaining) [2024-11-23 23:33:32,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (44 of 152 remaining) [2024-11-23 23:33:32,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (43 of 152 remaining) [2024-11-23 23:33:32,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (42 of 152 remaining) [2024-11-23 23:33:32,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (41 of 152 remaining) [2024-11-23 23:33:32,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (40 of 152 remaining) [2024-11-23 23:33:32,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (39 of 152 remaining) [2024-11-23 23:33:32,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (38 of 152 remaining) [2024-11-23 23:33:32,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (37 of 152 remaining) [2024-11-23 23:33:32,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (36 of 152 remaining) [2024-11-23 23:33:32,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (35 of 152 remaining) [2024-11-23 23:33:32,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (34 of 152 remaining) [2024-11-23 23:33:32,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (33 of 152 remaining) [2024-11-23 23:33:32,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (32 of 152 remaining) [2024-11-23 23:33:32,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (31 of 152 remaining) [2024-11-23 23:33:32,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (30 of 152 remaining) [2024-11-23 23:33:32,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (29 of 152 remaining) [2024-11-23 23:33:32,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (28 of 152 remaining) [2024-11-23 23:33:32,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (27 of 152 remaining) [2024-11-23 23:33:32,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (26 of 152 remaining) [2024-11-23 23:33:32,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (25 of 152 remaining) [2024-11-23 23:33:32,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (24 of 152 remaining) [2024-11-23 23:33:32,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (23 of 152 remaining) [2024-11-23 23:33:32,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (22 of 152 remaining) [2024-11-23 23:33:32,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (21 of 152 remaining) [2024-11-23 23:33:32,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (20 of 152 remaining) [2024-11-23 23:33:32,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (19 of 152 remaining) [2024-11-23 23:33:32,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (18 of 152 remaining) [2024-11-23 23:33:32,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (17 of 152 remaining) [2024-11-23 23:33:32,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (16 of 152 remaining) [2024-11-23 23:33:32,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (15 of 152 remaining) [2024-11-23 23:33:32,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (14 of 152 remaining) [2024-11-23 23:33:32,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (13 of 152 remaining) [2024-11-23 23:33:32,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (12 of 152 remaining) [2024-11-23 23:33:32,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (11 of 152 remaining) [2024-11-23 23:33:32,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (10 of 152 remaining) [2024-11-23 23:33:32,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (9 of 152 remaining) [2024-11-23 23:33:32,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (8 of 152 remaining) [2024-11-23 23:33:32,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (7 of 152 remaining) [2024-11-23 23:33:32,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (6 of 152 remaining) [2024-11-23 23:33:32,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (5 of 152 remaining) [2024-11-23 23:33:32,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (4 of 152 remaining) [2024-11-23 23:33:32,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (3 of 152 remaining) [2024-11-23 23:33:32,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (2 of 152 remaining) [2024-11-23 23:33:32,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (1 of 152 remaining) [2024-11-23 23:33:32,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (0 of 152 remaining) [2024-11-23 23:33:32,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-23 23:33:32,702 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:33:32,711 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 23:33:32,711 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:33:32,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:33:32 BasicIcfg [2024-11-23 23:33:32,723 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:33:32,724 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:33:32,724 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:33:32,724 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:33:32,726 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:33:15" (3/4) ... [2024-11-23 23:33:32,728 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 23:33:32,732 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-23 23:33:32,732 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-23 23:33:32,732 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-23 23:33:32,741 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-11-23 23:33:32,743 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-23 23:33:32,743 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 23:33:32,744 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:33:32,872 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677cc1ec-e1bc-46cf-b23f-4757f0905836/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:33:32,873 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677cc1ec-e1bc-46cf-b23f-4757f0905836/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:33:32,873 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:33:32,879 INFO L158 Benchmark]: Toolchain (without parser) took 20364.94ms. Allocated memory was 117.4MB in the beginning and 578.8MB in the end (delta: 461.4MB). Free memory was 93.2MB in the beginning and 473.8MB in the end (delta: -380.6MB). Peak memory consumption was 80.5MB. Max. memory is 16.1GB. [2024-11-23 23:33:32,879 INFO L158 Benchmark]: CDTParser took 1.78ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:33:32,880 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.47ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 79.2MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:33:32,880 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.40ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 75.7MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:33:32,880 INFO L158 Benchmark]: Boogie Preprocessor took 89.73ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 72.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:33:32,881 INFO L158 Benchmark]: RCFGBuilder took 2281.74ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 54.3MB in the end (delta: 18.5MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2024-11-23 23:33:32,881 INFO L158 Benchmark]: TraceAbstraction took 17303.27ms. Allocated memory was 117.4MB in the beginning and 578.8MB in the end (delta: 461.4MB). Free memory was 53.5MB in the beginning and 478.0MB in the end (delta: -424.5MB). Peak memory consumption was 331.3MB. Max. memory is 16.1GB. [2024-11-23 23:33:32,882 INFO L158 Benchmark]: Witness Printer took 149.86ms. Allocated memory is still 578.8MB. Free memory was 478.0MB in the beginning and 473.8MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:33:32,884 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.78ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 426.47ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 79.2MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.40ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 75.7MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 89.73ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 72.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2281.74ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 54.3MB in the end (delta: 18.5MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. * TraceAbstraction took 17303.27ms. Allocated memory was 117.4MB in the beginning and 578.8MB in the end (delta: 461.4MB). Free memory was 53.5MB in the beginning and 478.0MB in the end (delta: -424.5MB). Peak memory consumption was 331.3MB. Max. memory is 16.1GB. * Witness Printer took 149.86ms. Allocated memory is still 578.8MB. Free memory was 478.0MB in the beginning and 473.8MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. 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: 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: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: 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: 62]: 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: 62]: 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: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: 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: 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: 78]: 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: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: 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: 93]: 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: 96]: 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: 96]: 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: 97]: 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: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: 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: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 124]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: 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, 583 locations, 152 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: 17.0s, OverallIterations: 30, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 735 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 307 mSDsluCounter, 151 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 96 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1221 IncrementalHoareTripleChecker+Invalid, 1317 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 96 mSolverCounterUnsat, 151 mSDtfsCounter, 1221 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=864occurred in iteration=0, InterpolantAutomatonStates: 93, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 3998 NumberOfCodeBlocks, 3998 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 3968 ConstructedInterpolants, 0 QuantifiedInterpolants, 4141 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 30 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 86 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-23 23:33:32,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_677cc1ec-e1bc-46cf-b23f-4757f0905836/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE