./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/queue_ok_longest.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4d241e-2e7d-409d-85be-91caff07029d/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4d241e-2e7d-409d-85be-91caff07029d/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4d241e-2e7d-409d-85be-91caff07029d/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4d241e-2e7d-409d-85be-91caff07029d/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok_longest.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4d241e-2e7d-409d-85be-91caff07029d/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4d241e-2e7d-409d-85be-91caff07029d/bin/uautomizer-verify-BQ2R08f2Ya --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 0e9bc4a9a6dcd238ac18925269a0bd7c8c54c2dafb57744151e37b58cf6eab8d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:08:38,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:08:38,801 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4d241e-2e7d-409d-85be-91caff07029d/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 05:08:38,805 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:08:38,806 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:08:38,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:08:38,830 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:08:38,831 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:08:38,831 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:08:38,832 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:08:38,833 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:08:38,833 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:08:38,834 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:08:38,834 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:08:38,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:08:38,836 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:08:38,836 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:08:38,836 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:08:38,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:08:38,837 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:08:38,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:08:38,838 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:08:38,839 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 05:08:38,839 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 05:08:38,839 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:08:38,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:08:38,840 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:08:38,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:08:38,841 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:08:38,841 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:08:38,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:08:38,842 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:08:38,842 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:08:38,843 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:08:38,843 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:08:38,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:08:38,843 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:08:38,844 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:08:38,844 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:08:38,844 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:08:38,844 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:08:38,845 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4d241e-2e7d-409d-85be-91caff07029d/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4d241e-2e7d-409d-85be-91caff07029d/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e9bc4a9a6dcd238ac18925269a0bd7c8c54c2dafb57744151e37b58cf6eab8d [2023-11-29 05:08:39,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:08:39,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:08:39,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:08:39,103 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:08:39,103 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:08:39,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4d241e-2e7d-409d-85be-91caff07029d/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/pthread/queue_ok_longest.i [2023-11-29 05:08:41,806 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:08:42,068 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:08:42,069 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4d241e-2e7d-409d-85be-91caff07029d/sv-benchmarks/c/pthread/queue_ok_longest.i [2023-11-29 05:08:42,087 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4d241e-2e7d-409d-85be-91caff07029d/bin/uautomizer-verify-BQ2R08f2Ya/data/e83f5baa8/8e11a656bc9a4235923092e7ccf2e250/FLAGddf56a63b [2023-11-29 05:08:42,101 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4d241e-2e7d-409d-85be-91caff07029d/bin/uautomizer-verify-BQ2R08f2Ya/data/e83f5baa8/8e11a656bc9a4235923092e7ccf2e250 [2023-11-29 05:08:42,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:08:42,106 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:08:42,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:08:42,107 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:08:42,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:08:42,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:08:42" (1/1) ... [2023-11-29 05:08:42,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3052ebcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:08:42, skipping insertion in model container [2023-11-29 05:08:42,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:08:42" (1/1) ... [2023-11-29 05:08:42,172 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:08:42,609 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:08:42,621 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:08:42,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:08:42,732 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:08:42,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:08:42 WrapperNode [2023-11-29 05:08:42,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:08:42,733 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:08:42,734 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:08:42,734 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:08:42,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:08:42" (1/1) ... [2023-11-29 05:08:42,763 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:08:42" (1/1) ... [2023-11-29 05:08:42,804 INFO L138 Inliner]: procedures = 275, calls = 61, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 399 [2023-11-29 05:08:42,805 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:08:42,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:08:42,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:08:42,806 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:08:42,816 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:08:42" (1/1) ... [2023-11-29 05:08:42,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:08:42" (1/1) ... [2023-11-29 05:08:42,827 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:08:42" (1/1) ... [2023-11-29 05:08:42,827 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:08:42" (1/1) ... [2023-11-29 05:08:42,859 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:08:42" (1/1) ... [2023-11-29 05:08:42,864 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:08:42" (1/1) ... [2023-11-29 05:08:42,868 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:08:42" (1/1) ... [2023-11-29 05:08:42,871 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:08:42" (1/1) ... [2023-11-29 05:08:42,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:08:42,879 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:08:42,879 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:08:42,879 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:08:42,880 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:08:42" (1/1) ... [2023-11-29 05:08:42,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:08:42,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4d241e-2e7d-409d-85be-91caff07029d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:08:42,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4d241e-2e7d-409d-85be-91caff07029d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:08:42,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4d241e-2e7d-409d-85be-91caff07029d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:08:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-29 05:08:42,945 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-29 05:08:42,945 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-29 05:08:42,945 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-29 05:08:42,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 05:08:42,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 05:08:42,945 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-29 05:08:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 05:08:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 05:08:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-29 05:08:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:08:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 05:08:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:08:42,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:08:42,948 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 05:08:43,142 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:08:43,144 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:08:43,740 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:08:43,764 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:08:43,764 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 05:08:43,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:08:43 BoogieIcfgContainer [2023-11-29 05:08:43,766 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:08:43,769 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:08:43,769 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:08:43,772 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:08:43,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:08:42" (1/3) ... [2023-11-29 05:08:43,773 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737c6faa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:08:43, skipping insertion in model container [2023-11-29 05:08:43,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:08:42" (2/3) ... [2023-11-29 05:08:43,773 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737c6faa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:08:43, skipping insertion in model container [2023-11-29 05:08:43,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:08:43" (3/3) ... [2023-11-29 05:08:43,775 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_ok_longest.i [2023-11-29 05:08:43,783 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 05:08:43,794 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:08:43,794 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2023-11-29 05:08:43,794 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 05:08:43,970 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-29 05:08:44,015 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 448 places, 456 transitions, 926 flow [2023-11-29 05:08:44,197 INFO L124 PetriNetUnfolderBase]: 15/454 cut-off events. [2023-11-29 05:08:44,198 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 05:08:44,211 INFO L83 FinitePrefix]: Finished finitePrefix Result has 463 conditions, 454 events. 15/454 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 832 event pairs, 0 based on Foata normal form. 0/404 useless extension candidates. Maximal degree in co-relation 323. Up to 3 conditions per place. [2023-11-29 05:08:44,211 INFO L82 GeneralOperation]: Start removeDead. Operand has 448 places, 456 transitions, 926 flow [2023-11-29 05:08:44,223 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 436 places, 444 transitions, 897 flow [2023-11-29 05:08:44,233 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:08:44,240 INFO L357 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, mHoare=true, 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;@777c8e04, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:08:44,240 INFO L358 AbstractCegarLoop]: Starting to check reachability of 63 error locations. [2023-11-29 05:08:44,245 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 05:08:44,245 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2023-11-29 05:08:44,246 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 05:08:44,246 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:08:44,246 INFO L208 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] [2023-11-29 05:08:44,247 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:08:44,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:08:44,252 INFO L85 PathProgramCache]: Analyzing trace with hash -796067664, now seen corresponding path program 1 times [2023-11-29 05:08:44,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:08:44,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834339409] [2023-11-29 05:08:44,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:08:44,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:08:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:08:44,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:08:44,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:08:44,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834339409] [2023-11-29 05:08:44,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834339409] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:08:44,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:08:44,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:08:44,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109952703] [2023-11-29 05:08:44,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:08:44,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:08:44,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:08:44,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:08:44,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:08:44,576 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 456 [2023-11-29 05:08:44,583 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 436 places, 444 transitions, 897 flow. Second operand has 3 states, 3 states have (on average 430.3333333333333) internal successors, (1291), 3 states have internal predecessors, (1291), 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) [2023-11-29 05:08:44,583 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:08:44,583 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 456 [2023-11-29 05:08:44,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:08:44,894 INFO L124 PetriNetUnfolderBase]: 40/985 cut-off events. [2023-11-29 05:08:44,894 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2023-11-29 05:08:44,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1058 conditions, 985 events. 40/985 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4732 event pairs, 19 based on Foata normal form. 13/885 useless extension candidates. Maximal degree in co-relation 890. Up to 52 conditions per place. [2023-11-29 05:08:44,911 INFO L140 encePairwiseOnDemand]: 448/456 looper letters, 13 selfloop transitions, 2 changer transitions 0/427 dead transitions. [2023-11-29 05:08:44,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 427 transitions, 893 flow [2023-11-29 05:08:44,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:08:44,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:08:44,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1308 transitions. [2023-11-29 05:08:44,932 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.956140350877193 [2023-11-29 05:08:44,933 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1308 transitions. [2023-11-29 05:08:44,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1308 transitions. [2023-11-29 05:08:44,938 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:08:44,940 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1308 transitions. [2023-11-29 05:08:44,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 436.0) internal successors, (1308), 3 states have internal predecessors, (1308), 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) [2023-11-29 05:08:44,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 456.0) internal successors, (1824), 4 states have internal predecessors, (1824), 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) [2023-11-29 05:08:44,959 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 456.0) internal successors, (1824), 4 states have internal predecessors, (1824), 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) [2023-11-29 05:08:44,962 INFO L175 Difference]: Start difference. First operand has 436 places, 444 transitions, 897 flow. Second operand 3 states and 1308 transitions. [2023-11-29 05:08:44,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 427 transitions, 893 flow [2023-11-29 05:08:44,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 427 transitions, 888 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-29 05:08:44,982 INFO L231 Difference]: Finished difference. Result has 424 places, 427 transitions, 862 flow [2023-11-29 05:08:44,985 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=422, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=862, PETRI_PLACES=424, PETRI_TRANSITIONS=427} [2023-11-29 05:08:44,988 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -12 predicate places. [2023-11-29 05:08:44,989 INFO L495 AbstractCegarLoop]: Abstraction has has 424 places, 427 transitions, 862 flow [2023-11-29 05:08:44,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 430.3333333333333) internal successors, (1291), 3 states have internal predecessors, (1291), 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) [2023-11-29 05:08:44,990 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:08:44,990 INFO L208 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] [2023-11-29 05:08:44,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 05:08:44,991 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:08:44,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:08:44,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1013186647, now seen corresponding path program 1 times [2023-11-29 05:08:44,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:08:44,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299899783] [2023-11-29 05:08:44,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:08:44,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:08:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:08:45,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:08:45,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:08:45,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299899783] [2023-11-29 05:08:45,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299899783] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:08:45,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:08:45,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:08:45,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220697262] [2023-11-29 05:08:45,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:08:45,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:08:45,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:08:45,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:08:45,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:08:45,092 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 456 [2023-11-29 05:08:45,095 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 427 transitions, 862 flow. Second operand has 3 states, 3 states have (on average 430.3333333333333) internal successors, (1291), 3 states have internal predecessors, (1291), 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) [2023-11-29 05:08:45,095 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:08:45,095 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 456 [2023-11-29 05:08:45,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:08:45,387 INFO L124 PetriNetUnfolderBase]: 43/1121 cut-off events. [2023-11-29 05:08:45,387 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-29 05:08:45,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1188 conditions, 1121 events. 43/1121 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 5915 event pairs, 19 based on Foata normal form. 0/997 useless extension candidates. Maximal degree in co-relation 1152. Up to 52 conditions per place. [2023-11-29 05:08:45,403 INFO L140 encePairwiseOnDemand]: 453/456 looper letters, 13 selfloop transitions, 2 changer transitions 0/426 dead transitions. [2023-11-29 05:08:45,403 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 426 transitions, 890 flow [2023-11-29 05:08:45,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:08:45,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:08:45,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1303 transitions. [2023-11-29 05:08:45,408 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.952485380116959 [2023-11-29 05:08:45,408 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1303 transitions. [2023-11-29 05:08:45,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1303 transitions. [2023-11-29 05:08:45,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:08:45,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1303 transitions. [2023-11-29 05:08:45,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 434.3333333333333) internal successors, (1303), 3 states have internal predecessors, (1303), 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) [2023-11-29 05:08:45,418 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 456.0) internal successors, (1824), 4 states have internal predecessors, (1824), 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) [2023-11-29 05:08:45,420 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 456.0) internal successors, (1824), 4 states have internal predecessors, (1824), 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) [2023-11-29 05:08:45,420 INFO L175 Difference]: Start difference. First operand has 424 places, 427 transitions, 862 flow. Second operand 3 states and 1303 transitions. [2023-11-29 05:08:45,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 426 transitions, 890 flow [2023-11-29 05:08:45,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 426 transitions, 886 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:08:45,431 INFO L231 Difference]: Finished difference. Result has 423 places, 426 transitions, 860 flow [2023-11-29 05:08:45,432 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=856, PETRI_DIFFERENCE_MINUEND_PLACES=421, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=860, PETRI_PLACES=423, PETRI_TRANSITIONS=426} [2023-11-29 05:08:45,433 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -13 predicate places. [2023-11-29 05:08:45,433 INFO L495 AbstractCegarLoop]: Abstraction has has 423 places, 426 transitions, 860 flow [2023-11-29 05:08:45,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 430.3333333333333) internal successors, (1291), 3 states have internal predecessors, (1291), 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) [2023-11-29 05:08:45,434 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:08:45,435 INFO L208 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] [2023-11-29 05:08:45,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 05:08:45,435 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:08:45,435 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:08:45,436 INFO L85 PathProgramCache]: Analyzing trace with hash -439365894, now seen corresponding path program 1 times [2023-11-29 05:08:45,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:08:45,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761357730] [2023-11-29 05:08:45,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:08:45,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:08:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:08:45,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:08:45,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:08:45,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761357730] [2023-11-29 05:08:45,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761357730] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:08:45,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:08:45,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:08:45,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179617693] [2023-11-29 05:08:45,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:08:45,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:08:45,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:08:45,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:08:45,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:08:46,486 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 332 out of 456 [2023-11-29 05:08:46,489 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 426 transitions, 860 flow. Second operand has 6 states, 6 states have (on average 333.3333333333333) internal successors, (2000), 6 states have internal predecessors, (2000), 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) [2023-11-29 05:08:46,489 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:08:46,489 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 332 of 456 [2023-11-29 05:08:46,489 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:08:55,077 INFO L124 PetriNetUnfolderBase]: 18045/52322 cut-off events. [2023-11-29 05:08:55,077 INFO L125 PetriNetUnfolderBase]: For 47/47 co-relation queries the response was YES. [2023-11-29 05:08:55,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79475 conditions, 52322 events. 18045/52322 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 556. Compared 573435 event pairs, 16336 based on Foata normal form. 0/47620 useless extension candidates. Maximal degree in co-relation 79435. Up to 27065 conditions per place. [2023-11-29 05:08:55,478 INFO L140 encePairwiseOnDemand]: 450/456 looper letters, 108 selfloop transitions, 5 changer transitions 0/425 dead transitions. [2023-11-29 05:08:55,478 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 425 transitions, 1084 flow [2023-11-29 05:08:55,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:08:55,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 05:08:55,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2106 transitions. [2023-11-29 05:08:55,485 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7697368421052632 [2023-11-29 05:08:55,486 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2106 transitions. [2023-11-29 05:08:55,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2106 transitions. [2023-11-29 05:08:55,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:08:55,488 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2106 transitions. [2023-11-29 05:08:55,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 351.0) internal successors, (2106), 6 states have internal predecessors, (2106), 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) [2023-11-29 05:08:55,501 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 456.0) internal successors, (3192), 7 states have internal predecessors, (3192), 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) [2023-11-29 05:08:55,504 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 456.0) internal successors, (3192), 7 states have internal predecessors, (3192), 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) [2023-11-29 05:08:55,504 INFO L175 Difference]: Start difference. First operand has 423 places, 426 transitions, 860 flow. Second operand 6 states and 2106 transitions. [2023-11-29 05:08:55,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 425 transitions, 1084 flow [2023-11-29 05:08:55,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 425 transitions, 1080 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:08:55,514 INFO L231 Difference]: Finished difference. Result has 425 places, 425 transitions, 864 flow [2023-11-29 05:08:55,515 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=854, PETRI_DIFFERENCE_MINUEND_PLACES=420, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=864, PETRI_PLACES=425, PETRI_TRANSITIONS=425} [2023-11-29 05:08:55,516 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -11 predicate places. [2023-11-29 05:08:55,516 INFO L495 AbstractCegarLoop]: Abstraction has has 425 places, 425 transitions, 864 flow [2023-11-29 05:08:55,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 333.3333333333333) internal successors, (2000), 6 states have internal predecessors, (2000), 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) [2023-11-29 05:08:55,518 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:08:55,518 INFO L208 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] [2023-11-29 05:08:55,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 05:08:55,518 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:08:55,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:08:55,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1140905659, now seen corresponding path program 1 times [2023-11-29 05:08:55,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:08:55,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156942745] [2023-11-29 05:08:55,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:08:55,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:08:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:08:55,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:08:55,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:08:55,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156942745] [2023-11-29 05:08:55,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156942745] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:08:55,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:08:55,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:08:55,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241348937] [2023-11-29 05:08:55,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:08:55,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:08:55,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:08:55,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:08:55,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:08:56,609 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 332 out of 456 [2023-11-29 05:08:56,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 425 transitions, 864 flow. Second operand has 6 states, 6 states have (on average 333.3333333333333) internal successors, (2000), 6 states have internal predecessors, (2000), 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) [2023-11-29 05:08:56,613 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:08:56,613 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 332 of 456 [2023-11-29 05:08:56,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:09:04,553 INFO L124 PetriNetUnfolderBase]: 18045/52321 cut-off events. [2023-11-29 05:09:04,553 INFO L125 PetriNetUnfolderBase]: For 47/47 co-relation queries the response was YES. [2023-11-29 05:09:04,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79477 conditions, 52321 events. 18045/52321 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 556. Compared 573314 event pairs, 16336 based on Foata normal form. 0/47620 useless extension candidates. Maximal degree in co-relation 79421. Up to 27065 conditions per place. [2023-11-29 05:09:04,842 INFO L140 encePairwiseOnDemand]: 450/456 looper letters, 108 selfloop transitions, 5 changer transitions 0/424 dead transitions. [2023-11-29 05:09:04,842 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 424 transitions, 1088 flow [2023-11-29 05:09:04,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:09:04,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 05:09:04,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2106 transitions. [2023-11-29 05:09:04,849 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7697368421052632 [2023-11-29 05:09:04,849 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2106 transitions. [2023-11-29 05:09:04,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2106 transitions. [2023-11-29 05:09:04,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:09:04,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2106 transitions. [2023-11-29 05:09:04,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 351.0) internal successors, (2106), 6 states have internal predecessors, (2106), 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) [2023-11-29 05:09:04,865 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 456.0) internal successors, (3192), 7 states have internal predecessors, (3192), 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) [2023-11-29 05:09:04,867 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 456.0) internal successors, (3192), 7 states have internal predecessors, (3192), 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) [2023-11-29 05:09:04,867 INFO L175 Difference]: Start difference. First operand has 425 places, 425 transitions, 864 flow. Second operand 6 states and 2106 transitions. [2023-11-29 05:09:04,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 424 transitions, 1088 flow [2023-11-29 05:09:04,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 424 transitions, 1078 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 05:09:04,877 INFO L231 Difference]: Finished difference. Result has 424 places, 424 transitions, 862 flow [2023-11-29 05:09:04,878 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=852, PETRI_DIFFERENCE_MINUEND_PLACES=419, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=862, PETRI_PLACES=424, PETRI_TRANSITIONS=424} [2023-11-29 05:09:04,878 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -12 predicate places. [2023-11-29 05:09:04,879 INFO L495 AbstractCegarLoop]: Abstraction has has 424 places, 424 transitions, 862 flow [2023-11-29 05:09:04,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 333.3333333333333) internal successors, (2000), 6 states have internal predecessors, (2000), 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) [2023-11-29 05:09:04,880 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:09:04,881 INFO L208 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] [2023-11-29 05:09:04,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 05:09:04,881 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:09:04,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:09:04,881 INFO L85 PathProgramCache]: Analyzing trace with hash -209609778, now seen corresponding path program 1 times [2023-11-29 05:09:04,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:09:04,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656758159] [2023-11-29 05:09:04,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:09:04,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:09:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:09:05,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:09:05,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:09:05,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656758159] [2023-11-29 05:09:05,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656758159] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:09:05,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:09:05,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:09:05,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859748970] [2023-11-29 05:09:05,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:09:05,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:09:05,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:09:05,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:09:05,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:09:05,818 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 332 out of 456 [2023-11-29 05:09:05,821 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 424 transitions, 862 flow. Second operand has 6 states, 6 states have (on average 333.3333333333333) internal successors, (2000), 6 states have internal predecessors, (2000), 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) [2023-11-29 05:09:05,821 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:09:05,821 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 332 of 456 [2023-11-29 05:09:05,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:09:13,295 INFO L124 PetriNetUnfolderBase]: 18045/52320 cut-off events. [2023-11-29 05:09:13,295 INFO L125 PetriNetUnfolderBase]: For 47/47 co-relation queries the response was YES. [2023-11-29 05:09:13,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79476 conditions, 52320 events. 18045/52320 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 556. Compared 573328 event pairs, 16336 based on Foata normal form. 0/47620 useless extension candidates. Maximal degree in co-relation 79412. Up to 27065 conditions per place. [2023-11-29 05:09:13,621 INFO L140 encePairwiseOnDemand]: 450/456 looper letters, 108 selfloop transitions, 5 changer transitions 0/423 dead transitions. [2023-11-29 05:09:13,622 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 423 transitions, 1086 flow [2023-11-29 05:09:13,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:09:13,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 05:09:13,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2106 transitions. [2023-11-29 05:09:13,629 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7697368421052632 [2023-11-29 05:09:13,629 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2106 transitions. [2023-11-29 05:09:13,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2106 transitions. [2023-11-29 05:09:13,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:09:13,632 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2106 transitions. [2023-11-29 05:09:13,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 351.0) internal successors, (2106), 6 states have internal predecessors, (2106), 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) [2023-11-29 05:09:13,646 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 456.0) internal successors, (3192), 7 states have internal predecessors, (3192), 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) [2023-11-29 05:09:13,647 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 456.0) internal successors, (3192), 7 states have internal predecessors, (3192), 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) [2023-11-29 05:09:13,647 INFO L175 Difference]: Start difference. First operand has 424 places, 424 transitions, 862 flow. Second operand 6 states and 2106 transitions. [2023-11-29 05:09:13,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 423 transitions, 1086 flow [2023-11-29 05:09:13,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 423 transitions, 1076 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 05:09:13,658 INFO L231 Difference]: Finished difference. Result has 423 places, 423 transitions, 860 flow [2023-11-29 05:09:13,659 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=850, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=418, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=860, PETRI_PLACES=423, PETRI_TRANSITIONS=423} [2023-11-29 05:09:13,660 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -13 predicate places. [2023-11-29 05:09:13,660 INFO L495 AbstractCegarLoop]: Abstraction has has 423 places, 423 transitions, 860 flow [2023-11-29 05:09:13,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 333.3333333333333) internal successors, (2000), 6 states have internal predecessors, (2000), 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) [2023-11-29 05:09:13,661 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:09:13,661 INFO L208 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] [2023-11-29 05:09:13,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 05:09:13,662 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:09:13,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:09:13,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1452068456, now seen corresponding path program 1 times [2023-11-29 05:09:13,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:09:13,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795524859] [2023-11-29 05:09:13,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:09:13,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:09:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:09:14,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:09:14,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:09:14,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795524859] [2023-11-29 05:09:14,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795524859] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:09:14,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:09:14,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:09:14,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98724034] [2023-11-29 05:09:14,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:09:14,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:09:14,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:09:14,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:09:14,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:09:15,174 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 386 out of 456 [2023-11-29 05:09:15,177 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 423 transitions, 860 flow. Second operand has 6 states, 6 states have (on average 389.1666666666667) internal successors, (2335), 6 states have internal predecessors, (2335), 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) [2023-11-29 05:09:15,177 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:09:15,177 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 386 of 456 [2023-11-29 05:09:15,178 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:09:16,209 INFO L124 PetriNetUnfolderBase]: 502/4952 cut-off events. [2023-11-29 05:09:16,209 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-11-29 05:09:16,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5822 conditions, 4952 events. 502/4952 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 40178 event pairs, 344 based on Foata normal form. 0/4365 useless extension candidates. Maximal degree in co-relation 5740. Up to 811 conditions per place. [2023-11-29 05:09:16,248 INFO L140 encePairwiseOnDemand]: 450/456 looper letters, 54 selfloop transitions, 5 changer transitions 0/422 dead transitions. [2023-11-29 05:09:16,248 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 422 transitions, 976 flow [2023-11-29 05:09:16,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:09:16,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 05:09:16,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2376 transitions. [2023-11-29 05:09:16,255 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.868421052631579 [2023-11-29 05:09:16,255 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2376 transitions. [2023-11-29 05:09:16,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2376 transitions. [2023-11-29 05:09:16,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:09:16,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2376 transitions. [2023-11-29 05:09:16,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 396.0) internal successors, (2376), 6 states have internal predecessors, (2376), 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) [2023-11-29 05:09:16,269 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 456.0) internal successors, (3192), 7 states have internal predecessors, (3192), 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) [2023-11-29 05:09:16,270 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 456.0) internal successors, (3192), 7 states have internal predecessors, (3192), 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) [2023-11-29 05:09:16,270 INFO L175 Difference]: Start difference. First operand has 423 places, 423 transitions, 860 flow. Second operand 6 states and 2376 transitions. [2023-11-29 05:09:16,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 422 transitions, 976 flow [2023-11-29 05:09:16,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 422 transitions, 966 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 05:09:16,280 INFO L231 Difference]: Finished difference. Result has 422 places, 422 transitions, 858 flow [2023-11-29 05:09:16,280 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=848, PETRI_DIFFERENCE_MINUEND_PLACES=417, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=417, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=858, PETRI_PLACES=422, PETRI_TRANSITIONS=422} [2023-11-29 05:09:16,281 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -14 predicate places. [2023-11-29 05:09:16,282 INFO L495 AbstractCegarLoop]: Abstraction has has 422 places, 422 transitions, 858 flow [2023-11-29 05:09:16,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 389.1666666666667) internal successors, (2335), 6 states have internal predecessors, (2335), 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) [2023-11-29 05:09:16,283 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:09:16,284 INFO L208 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] [2023-11-29 05:09:16,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 05:09:16,284 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:09:16,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:09:16,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1867753033, now seen corresponding path program 1 times [2023-11-29 05:09:16,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:09:16,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083039364] [2023-11-29 05:09:16,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:09:16,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:09:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:09:16,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:09:16,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:09:16,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083039364] [2023-11-29 05:09:16,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083039364] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:09:16,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:09:16,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:09:16,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208438528] [2023-11-29 05:09:16,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:09:16,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:09:16,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:09:16,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:09:16,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:09:17,678 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 386 out of 456 [2023-11-29 05:09:17,681 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 422 transitions, 858 flow. Second operand has 6 states, 6 states have (on average 389.1666666666667) internal successors, (2335), 6 states have internal predecessors, (2335), 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) [2023-11-29 05:09:17,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:09:17,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 386 of 456 [2023-11-29 05:09:17,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:09:18,422 INFO L124 PetriNetUnfolderBase]: 502/4951 cut-off events. [2023-11-29 05:09:18,423 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-11-29 05:09:18,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5821 conditions, 4951 events. 502/4951 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 40187 event pairs, 344 based on Foata normal form. 0/4365 useless extension candidates. Maximal degree in co-relation 5702. Up to 811 conditions per place. [2023-11-29 05:09:18,454 INFO L140 encePairwiseOnDemand]: 450/456 looper letters, 54 selfloop transitions, 5 changer transitions 0/421 dead transitions. [2023-11-29 05:09:18,454 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 421 transitions, 974 flow [2023-11-29 05:09:18,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:09:18,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 05:09:18,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2376 transitions. [2023-11-29 05:09:18,460 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.868421052631579 [2023-11-29 05:09:18,460 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2376 transitions. [2023-11-29 05:09:18,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2376 transitions. [2023-11-29 05:09:18,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:09:18,461 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2376 transitions. [2023-11-29 05:09:18,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 396.0) internal successors, (2376), 6 states have internal predecessors, (2376), 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) [2023-11-29 05:09:18,470 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 456.0) internal successors, (3192), 7 states have internal predecessors, (3192), 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) [2023-11-29 05:09:18,470 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 456.0) internal successors, (3192), 7 states have internal predecessors, (3192), 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) [2023-11-29 05:09:18,470 INFO L175 Difference]: Start difference. First operand has 422 places, 422 transitions, 858 flow. Second operand 6 states and 2376 transitions. [2023-11-29 05:09:18,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 421 transitions, 974 flow [2023-11-29 05:09:18,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 421 places, 421 transitions, 964 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 05:09:18,477 INFO L231 Difference]: Finished difference. Result has 421 places, 421 transitions, 856 flow [2023-11-29 05:09:18,478 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=846, PETRI_DIFFERENCE_MINUEND_PLACES=416, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=421, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=856, PETRI_PLACES=421, PETRI_TRANSITIONS=421} [2023-11-29 05:09:18,479 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -15 predicate places. [2023-11-29 05:09:18,479 INFO L495 AbstractCegarLoop]: Abstraction has has 421 places, 421 transitions, 856 flow [2023-11-29 05:09:18,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 389.1666666666667) internal successors, (2335), 6 states have internal predecessors, (2335), 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) [2023-11-29 05:09:18,480 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:09:18,480 INFO L208 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] [2023-11-29 05:09:18,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 05:09:18,480 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:09:18,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:09:18,481 INFO L85 PathProgramCache]: Analyzing trace with hash -447143693, now seen corresponding path program 1 times [2023-11-29 05:09:18,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:09:18,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187016019] [2023-11-29 05:09:18,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:09:18,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:09:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:09:18,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:09:18,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:09:18,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187016019] [2023-11-29 05:09:18,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187016019] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:09:18,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:09:18,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:09:18,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18977605] [2023-11-29 05:09:18,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:09:18,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:09:18,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:09:18,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:09:18,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:09:18,586 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 433 out of 456 [2023-11-29 05:09:18,587 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 421 places, 421 transitions, 856 flow. Second operand has 3 states, 3 states have (on average 434.6666666666667) internal successors, (1304), 3 states have internal predecessors, (1304), 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) [2023-11-29 05:09:18,587 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:09:18,588 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 433 of 456 [2023-11-29 05:09:18,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:09:18,726 INFO L124 PetriNetUnfolderBase]: 53/1061 cut-off events. [2023-11-29 05:09:18,726 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-29 05:09:18,731 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1171 conditions, 1061 events. 53/1061 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 5511 event pairs, 14 based on Foata normal form. 0/949 useless extension candidates. Maximal degree in co-relation 1071. Up to 56 conditions per place. [2023-11-29 05:09:18,734 INFO L140 encePairwiseOnDemand]: 451/456 looper letters, 17 selfloop transitions, 4 changer transitions 0/429 dead transitions. [2023-11-29 05:09:18,734 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 429 transitions, 917 flow [2023-11-29 05:09:18,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:09:18,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:09:18,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1321 transitions. [2023-11-29 05:09:18,737 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9656432748538012 [2023-11-29 05:09:18,738 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1321 transitions. [2023-11-29 05:09:18,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1321 transitions. [2023-11-29 05:09:18,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:09:18,738 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1321 transitions. [2023-11-29 05:09:18,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 440.3333333333333) internal successors, (1321), 3 states have internal predecessors, (1321), 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) [2023-11-29 05:09:18,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 456.0) internal successors, (1824), 4 states have internal predecessors, (1824), 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) [2023-11-29 05:09:18,744 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 456.0) internal successors, (1824), 4 states have internal predecessors, (1824), 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) [2023-11-29 05:09:18,744 INFO L175 Difference]: Start difference. First operand has 421 places, 421 transitions, 856 flow. Second operand 3 states and 1321 transitions. [2023-11-29 05:09:18,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 429 transitions, 917 flow [2023-11-29 05:09:18,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 418 places, 429 transitions, 907 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 05:09:18,751 INFO L231 Difference]: Finished difference. Result has 420 places, 424 transitions, 876 flow [2023-11-29 05:09:18,751 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=846, PETRI_DIFFERENCE_MINUEND_PLACES=416, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=421, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=417, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=876, PETRI_PLACES=420, PETRI_TRANSITIONS=424} [2023-11-29 05:09:18,752 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -16 predicate places. [2023-11-29 05:09:18,752 INFO L495 AbstractCegarLoop]: Abstraction has has 420 places, 424 transitions, 876 flow [2023-11-29 05:09:18,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 434.6666666666667) internal successors, (1304), 3 states have internal predecessors, (1304), 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) [2023-11-29 05:09:18,753 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:09:18,753 INFO L208 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] [2023-11-29 05:09:18,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 05:09:18,753 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:09:18,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:09:18,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1957841084, now seen corresponding path program 1 times [2023-11-29 05:09:18,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:09:18,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760731995] [2023-11-29 05:09:18,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:09:18,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:09:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:09:18,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:09:18,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:09:18,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760731995] [2023-11-29 05:09:18,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760731995] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:09:18,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:09:18,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:09:18,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464003057] [2023-11-29 05:09:18,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:09:18,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:09:18,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:09:18,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:09:18,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:09:18,826 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 433 out of 456 [2023-11-29 05:09:18,827 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 424 transitions, 876 flow. Second operand has 3 states, 3 states have (on average 435.0) internal successors, (1305), 3 states have internal predecessors, (1305), 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) [2023-11-29 05:09:18,827 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:09:18,827 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 433 of 456 [2023-11-29 05:09:18,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:09:19,086 INFO L124 PetriNetUnfolderBase]: 96/2176 cut-off events. [2023-11-29 05:09:19,086 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2023-11-29 05:09:19,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2354 conditions, 2176 events. 96/2176 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 14932 event pairs, 22 based on Foata normal form. 0/1942 useless extension candidates. Maximal degree in co-relation 2082. Up to 85 conditions per place. [2023-11-29 05:09:19,098 INFO L140 encePairwiseOnDemand]: 451/456 looper letters, 16 selfloop transitions, 4 changer transitions 0/431 dead transitions. [2023-11-29 05:09:19,098 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 422 places, 431 transitions, 931 flow [2023-11-29 05:09:19,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:09:19,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:09:19,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1320 transitions. [2023-11-29 05:09:19,102 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9649122807017544 [2023-11-29 05:09:19,102 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1320 transitions. [2023-11-29 05:09:19,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1320 transitions. [2023-11-29 05:09:19,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:09:19,104 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1320 transitions. [2023-11-29 05:09:19,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 440.0) internal successors, (1320), 3 states have internal predecessors, (1320), 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) [2023-11-29 05:09:19,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 456.0) internal successors, (1824), 4 states have internal predecessors, (1824), 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) [2023-11-29 05:09:19,110 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 456.0) internal successors, (1824), 4 states have internal predecessors, (1824), 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) [2023-11-29 05:09:19,110 INFO L175 Difference]: Start difference. First operand has 420 places, 424 transitions, 876 flow. Second operand 3 states and 1320 transitions. [2023-11-29 05:09:19,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 422 places, 431 transitions, 931 flow [2023-11-29 05:09:19,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 431 transitions, 923 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:09:19,121 INFO L231 Difference]: Finished difference. Result has 422 places, 427 transitions, 898 flow [2023-11-29 05:09:19,122 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=868, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=898, PETRI_PLACES=422, PETRI_TRANSITIONS=427} [2023-11-29 05:09:19,123 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -14 predicate places. [2023-11-29 05:09:19,123 INFO L495 AbstractCegarLoop]: Abstraction has has 422 places, 427 transitions, 898 flow [2023-11-29 05:09:19,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 435.0) internal successors, (1305), 3 states have internal predecessors, (1305), 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) [2023-11-29 05:09:19,124 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:09:19,124 INFO L208 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] [2023-11-29 05:09:19,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 05:09:19,124 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:09:19,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:09:19,124 INFO L85 PathProgramCache]: Analyzing trace with hash -954384772, now seen corresponding path program 1 times [2023-11-29 05:09:19,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:09:19,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760919938] [2023-11-29 05:09:19,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:09:19,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:09:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:09:19,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:09:19,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:09:19,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760919938] [2023-11-29 05:09:19,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760919938] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:09:19,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:09:19,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:09:19,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190147503] [2023-11-29 05:09:19,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:09:19,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:09:19,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:09:19,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:09:19,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:09:19,235 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 456 [2023-11-29 05:09:19,237 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 427 transitions, 898 flow. Second operand has 3 states, 3 states have (on average 436.6666666666667) internal successors, (1310), 3 states have internal predecessors, (1310), 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) [2023-11-29 05:09:19,237 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:09:19,237 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 456 [2023-11-29 05:09:19,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:09:19,713 INFO L124 PetriNetUnfolderBase]: 81/2242 cut-off events. [2023-11-29 05:09:19,714 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2023-11-29 05:09:19,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2431 conditions, 2242 events. 81/2242 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 13395 event pairs, 33 based on Foata normal form. 7/2022 useless extension candidates. Maximal degree in co-relation 2041. Up to 103 conditions per place. [2023-11-29 05:09:19,739 INFO L140 encePairwiseOnDemand]: 453/456 looper letters, 13 selfloop transitions, 2 changer transitions 0/431 dead transitions. [2023-11-29 05:09:19,739 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 431 transitions, 938 flow [2023-11-29 05:09:19,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:09:19,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:09:19,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1321 transitions. [2023-11-29 05:09:19,743 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9656432748538012 [2023-11-29 05:09:19,743 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1321 transitions. [2023-11-29 05:09:19,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1321 transitions. [2023-11-29 05:09:19,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:09:19,744 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1321 transitions. [2023-11-29 05:09:19,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 440.3333333333333) internal successors, (1321), 3 states have internal predecessors, (1321), 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) [2023-11-29 05:09:19,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 456.0) internal successors, (1824), 4 states have internal predecessors, (1824), 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) [2023-11-29 05:09:19,751 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 456.0) internal successors, (1824), 4 states have internal predecessors, (1824), 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) [2023-11-29 05:09:19,751 INFO L175 Difference]: Start difference. First operand has 422 places, 427 transitions, 898 flow. Second operand 3 states and 1321 transitions. [2023-11-29 05:09:19,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 431 transitions, 938 flow [2023-11-29 05:09:19,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 431 transitions, 930 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:09:19,763 INFO L231 Difference]: Finished difference. Result has 423 places, 428 transitions, 902 flow [2023-11-29 05:09:19,764 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=420, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=902, PETRI_PLACES=423, PETRI_TRANSITIONS=428} [2023-11-29 05:09:19,764 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -13 predicate places. [2023-11-29 05:09:19,765 INFO L495 AbstractCegarLoop]: Abstraction has has 423 places, 428 transitions, 902 flow [2023-11-29 05:09:19,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 436.6666666666667) internal successors, (1310), 3 states have internal predecessors, (1310), 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) [2023-11-29 05:09:19,765 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:09:19,766 INFO L208 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] [2023-11-29 05:09:19,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 05:09:19,766 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:09:19,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:09:19,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1243556329, now seen corresponding path program 1 times [2023-11-29 05:09:19,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:09:19,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381798758] [2023-11-29 05:09:19,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:09:19,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:09:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:09:20,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:09:20,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:09:20,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381798758] [2023-11-29 05:09:20,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381798758] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:09:20,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:09:20,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 05:09:20,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529784443] [2023-11-29 05:09:20,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:09:20,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:09:20,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:09:20,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:09:20,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:09:21,669 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 456 [2023-11-29 05:09:21,674 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 428 transitions, 902 flow. Second operand has 12 states, 12 states have (on average 407.1666666666667) internal successors, (4886), 12 states have internal predecessors, (4886), 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) [2023-11-29 05:09:21,674 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:09:21,674 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 456 [2023-11-29 05:09:21,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:09:22,659 INFO L124 PetriNetUnfolderBase]: 221/4094 cut-off events. [2023-11-29 05:09:22,659 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2023-11-29 05:09:22,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4573 conditions, 4094 events. 221/4094 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 31029 event pairs, 134 based on Foata normal form. 0/3620 useless extension candidates. Maximal degree in co-relation 2734. Up to 318 conditions per place. [2023-11-29 05:09:22,687 INFO L140 encePairwiseOnDemand]: 439/456 looper letters, 22 selfloop transitions, 16 changer transitions 0/424 dead transitions. [2023-11-29 05:09:22,688 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 431 places, 424 transitions, 970 flow [2023-11-29 05:09:22,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 05:09:22,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-29 05:09:22,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 4899 transitions. [2023-11-29 05:09:22,699 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8952850877192983 [2023-11-29 05:09:22,699 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 4899 transitions. [2023-11-29 05:09:22,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 4899 transitions. [2023-11-29 05:09:22,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:09:22,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 4899 transitions. [2023-11-29 05:09:22,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 408.25) internal successors, (4899), 12 states have internal predecessors, (4899), 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) [2023-11-29 05:09:22,721 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 456.0) internal successors, (5928), 13 states have internal predecessors, (5928), 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) [2023-11-29 05:09:22,723 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 456.0) internal successors, (5928), 13 states have internal predecessors, (5928), 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) [2023-11-29 05:09:22,723 INFO L175 Difference]: Start difference. First operand has 423 places, 428 transitions, 902 flow. Second operand 12 states and 4899 transitions. [2023-11-29 05:09:22,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 431 places, 424 transitions, 970 flow [2023-11-29 05:09:22,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 430 places, 424 transitions, 968 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 05:09:22,736 INFO L231 Difference]: Finished difference. Result has 430 places, 424 transitions, 924 flow [2023-11-29 05:09:22,737 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=892, PETRI_DIFFERENCE_MINUEND_PLACES=419, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=924, PETRI_PLACES=430, PETRI_TRANSITIONS=424} [2023-11-29 05:09:22,738 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -6 predicate places. [2023-11-29 05:09:22,738 INFO L495 AbstractCegarLoop]: Abstraction has has 430 places, 424 transitions, 924 flow [2023-11-29 05:09:22,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 407.1666666666667) internal successors, (4886), 12 states have internal predecessors, (4886), 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) [2023-11-29 05:09:22,740 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:09:22,740 INFO L208 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] [2023-11-29 05:09:22,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 05:09:22,740 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:09:22,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:09:22,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1638990207, now seen corresponding path program 1 times [2023-11-29 05:09:22,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:09:22,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831770636] [2023-11-29 05:09:22,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:09:22,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:09:22,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:09:23,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:09:23,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:09:23,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831770636] [2023-11-29 05:09:23,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831770636] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:09:23,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:09:23,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:09:23,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502420865] [2023-11-29 05:09:23,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:09:23,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:09:23,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:09:23,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:09:23,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:09:24,329 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 385 out of 456 [2023-11-29 05:09:24,330 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 430 places, 424 transitions, 924 flow. Second operand has 6 states, 6 states have (on average 388.5) internal successors, (2331), 6 states have internal predecessors, (2331), 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) [2023-11-29 05:09:24,330 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:09:24,330 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 385 of 456 [2023-11-29 05:09:24,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:09:38,130 INFO L124 PetriNetUnfolderBase]: 18793/76338 cut-off events. [2023-11-29 05:09:38,130 INFO L125 PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES. [2023-11-29 05:09:38,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105105 conditions, 76338 events. 18793/76338 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 870. Compared 973047 event pairs, 5181 based on Foata normal form. 0/67686 useless extension candidates. Maximal degree in co-relation 104974. Up to 21135 conditions per place. [2023-11-29 05:09:38,556 INFO L140 encePairwiseOnDemand]: 418/456 looper letters, 75 selfloop transitions, 133 changer transitions 0/573 dead transitions. [2023-11-29 05:09:38,556 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 435 places, 573 transitions, 1639 flow [2023-11-29 05:09:38,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:09:38,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 05:09:38,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2519 transitions. [2023-11-29 05:09:38,562 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9206871345029239 [2023-11-29 05:09:38,562 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2519 transitions. [2023-11-29 05:09:38,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2519 transitions. [2023-11-29 05:09:38,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:09:38,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2519 transitions. [2023-11-29 05:09:38,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 419.8333333333333) internal successors, (2519), 6 states have internal predecessors, (2519), 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) [2023-11-29 05:09:38,571 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 456.0) internal successors, (3192), 7 states have internal predecessors, (3192), 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) [2023-11-29 05:09:38,571 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 456.0) internal successors, (3192), 7 states have internal predecessors, (3192), 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) [2023-11-29 05:09:38,572 INFO L175 Difference]: Start difference. First operand has 430 places, 424 transitions, 924 flow. Second operand 6 states and 2519 transitions. [2023-11-29 05:09:38,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 435 places, 573 transitions, 1639 flow [2023-11-29 05:09:38,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 573 transitions, 1607 flow, removed 0 selfloop flow, removed 11 redundant places. [2023-11-29 05:09:38,584 INFO L231 Difference]: Finished difference. Result has 429 places, 556 transitions, 1762 flow [2023-11-29 05:09:38,584 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=892, PETRI_DIFFERENCE_MINUEND_PLACES=419, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=387, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1762, PETRI_PLACES=429, PETRI_TRANSITIONS=556} [2023-11-29 05:09:38,585 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -7 predicate places. [2023-11-29 05:09:38,585 INFO L495 AbstractCegarLoop]: Abstraction has has 429 places, 556 transitions, 1762 flow [2023-11-29 05:09:38,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 388.5) internal successors, (2331), 6 states have internal predecessors, (2331), 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) [2023-11-29 05:09:38,586 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:09:38,586 INFO L208 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] [2023-11-29 05:09:38,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 05:09:38,587 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t2Err12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:09:38,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:09:38,587 INFO L85 PathProgramCache]: Analyzing trace with hash -353022824, now seen corresponding path program 1 times [2023-11-29 05:09:38,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:09:38,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556554236] [2023-11-29 05:09:38,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:09:38,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:09:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:09:38,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:09:38,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:09:38,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556554236] [2023-11-29 05:09:38,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556554236] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:09:38,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:09:38,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:09:38,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036517127] [2023-11-29 05:09:38,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:09:38,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:09:38,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:09:38,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:09:38,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:09:38,669 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 456 [2023-11-29 05:09:38,670 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 556 transitions, 1762 flow. Second operand has 3 states, 3 states have (on average 437.0) internal successors, (1311), 3 states have internal predecessors, (1311), 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) [2023-11-29 05:09:38,670 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:09:38,670 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 456 [2023-11-29 05:09:38,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:09:55,478 INFO L124 PetriNetUnfolderBase]: 21158/96727 cut-off events. [2023-11-29 05:09:55,478 INFO L125 PetriNetUnfolderBase]: For 11755/20973 co-relation queries the response was YES. [2023-11-29 05:09:55,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149542 conditions, 96727 events. 21158/96727 cut-off events. For 11755/20973 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 1350204 event pairs, 6220 based on Foata normal form. 26/87166 useless extension candidates. Maximal degree in co-relation 149129. Up to 24557 conditions per place. [2023-11-29 05:09:56,148 INFO L140 encePairwiseOnDemand]: 453/456 looper letters, 13 selfloop transitions, 2 changer transitions 0/560 dead transitions. [2023-11-29 05:09:56,148 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 431 places, 560 transitions, 1801 flow [2023-11-29 05:09:56,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:09:56,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:09:56,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1321 transitions. [2023-11-29 05:09:56,153 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9656432748538012 [2023-11-29 05:09:56,153 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1321 transitions. [2023-11-29 05:09:56,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1321 transitions. [2023-11-29 05:09:56,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:09:56,154 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1321 transitions. [2023-11-29 05:09:56,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 440.3333333333333) internal successors, (1321), 3 states have internal predecessors, (1321), 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) [2023-11-29 05:09:56,158 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 456.0) internal successors, (1824), 4 states have internal predecessors, (1824), 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) [2023-11-29 05:09:56,159 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 456.0) internal successors, (1824), 4 states have internal predecessors, (1824), 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) [2023-11-29 05:09:56,159 INFO L175 Difference]: Start difference. First operand has 429 places, 556 transitions, 1762 flow. Second operand 3 states and 1321 transitions. [2023-11-29 05:09:56,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 431 places, 560 transitions, 1801 flow [2023-11-29 05:09:56,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 560 transitions, 1801 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 05:09:56,975 INFO L231 Difference]: Finished difference. Result has 432 places, 557 transitions, 1774 flow [2023-11-29 05:09:56,976 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=1762, PETRI_DIFFERENCE_MINUEND_PLACES=429, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=556, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=554, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1774, PETRI_PLACES=432, PETRI_TRANSITIONS=557} [2023-11-29 05:09:56,976 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -4 predicate places. [2023-11-29 05:09:56,976 INFO L495 AbstractCegarLoop]: Abstraction has has 432 places, 557 transitions, 1774 flow [2023-11-29 05:09:56,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 437.0) internal successors, (1311), 3 states have internal predecessors, (1311), 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) [2023-11-29 05:09:56,976 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:09:56,977 INFO L208 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] [2023-11-29 05:09:56,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 05:09:56,977 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:09:56,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:09:56,977 INFO L85 PathProgramCache]: Analyzing trace with hash -698335854, now seen corresponding path program 1 times [2023-11-29 05:09:56,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:09:56,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028299066] [2023-11-29 05:09:56,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:09:56,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:09:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:09:57,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:09:57,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:09:57,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028299066] [2023-11-29 05:09:57,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028299066] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:09:57,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:09:57,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:09:57,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832187545] [2023-11-29 05:09:57,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:09:57,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:09:57,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:09:57,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:09:57,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:09:58,295 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 456 [2023-11-29 05:09:58,297 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 432 places, 557 transitions, 1774 flow. Second operand has 6 states, 6 states have (on average 379.5) internal successors, (2277), 6 states have internal predecessors, (2277), 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) [2023-11-29 05:09:58,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:09:58,297 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 456 [2023-11-29 05:09:58,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:10:33,468 INFO L124 PetriNetUnfolderBase]: 50860/190477 cut-off events. [2023-11-29 05:10:33,468 INFO L125 PetriNetUnfolderBase]: For 78481/144526 co-relation queries the response was YES. [2023-11-29 05:10:34,346 INFO L83 FinitePrefix]: Finished finitePrefix Result has 355449 conditions, 190477 events. 50860/190477 cut-off events. For 78481/144526 co-relation queries the response was YES. Maximal size of possible extension queue 2114. Compared 2821080 event pairs, 9525 based on Foata normal form. 864/172244 useless extension candidates. Maximal degree in co-relation 354668. Up to 54491 conditions per place. [2023-11-29 05:10:35,074 INFO L140 encePairwiseOnDemand]: 423/456 looper letters, 195 selfloop transitions, 270 changer transitions 0/840 dead transitions. [2023-11-29 05:10:35,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 840 transitions, 4196 flow [2023-11-29 05:10:35,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:10:35,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 05:10:35,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2408 transitions. [2023-11-29 05:10:35,080 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8801169590643275 [2023-11-29 05:10:35,080 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2408 transitions. [2023-11-29 05:10:35,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2408 transitions. [2023-11-29 05:10:35,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:10:35,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2408 transitions. [2023-11-29 05:10:35,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 401.3333333333333) internal successors, (2408), 6 states have internal predecessors, (2408), 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) [2023-11-29 05:10:35,089 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 456.0) internal successors, (3192), 7 states have internal predecessors, (3192), 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) [2023-11-29 05:10:35,089 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 456.0) internal successors, (3192), 7 states have internal predecessors, (3192), 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) [2023-11-29 05:10:35,089 INFO L175 Difference]: Start difference. First operand has 432 places, 557 transitions, 1774 flow. Second operand 6 states and 2408 transitions. [2023-11-29 05:10:35,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 840 transitions, 4196 flow [2023-11-29 05:10:37,911 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 840 transitions, 4194 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 05:10:37,921 INFO L231 Difference]: Finished difference. Result has 441 places, 825 transitions, 4488 flow [2023-11-29 05:10:37,922 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=1772, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=557, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4488, PETRI_PLACES=441, PETRI_TRANSITIONS=825} [2023-11-29 05:10:37,923 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 5 predicate places. [2023-11-29 05:10:37,923 INFO L495 AbstractCegarLoop]: Abstraction has has 441 places, 825 transitions, 4488 flow [2023-11-29 05:10:37,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 379.5) internal successors, (2277), 6 states have internal predecessors, (2277), 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) [2023-11-29 05:10:37,923 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:10:37,923 INFO L208 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] [2023-11-29 05:10:37,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 05:10:37,924 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t2Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:10:37,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:10:37,924 INFO L85 PathProgramCache]: Analyzing trace with hash 322074334, now seen corresponding path program 1 times [2023-11-29 05:10:37,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:10:37,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516820774] [2023-11-29 05:10:37,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:10:37,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:10:37,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:38,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:10:38,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:10:38,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516820774] [2023-11-29 05:10:38,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516820774] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:10:38,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:10:38,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:10:38,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563275648] [2023-11-29 05:10:38,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:10:38,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:10:38,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:10:38,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:10:38,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:10:38,055 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 434 out of 456 [2023-11-29 05:10:38,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 825 transitions, 4488 flow. Second operand has 3 states, 3 states have (on average 436.0) internal successors, (1308), 3 states have internal predecessors, (1308), 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) [2023-11-29 05:10:38,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:10:38,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 434 of 456 [2023-11-29 05:10:38,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:10:40,548 INFO L124 PetriNetUnfolderBase]: 1838/15364 cut-off events. [2023-11-29 05:10:40,548 INFO L125 PetriNetUnfolderBase]: For 3304/3614 co-relation queries the response was YES. [2023-11-29 05:10:40,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24404 conditions, 15364 events. 1838/15364 cut-off events. For 3304/3614 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 161505 event pairs, 61 based on Foata normal form. 4/14058 useless extension candidates. Maximal degree in co-relation 23926. Up to 2454 conditions per place. [2023-11-29 05:10:40,658 INFO L140 encePairwiseOnDemand]: 452/456 looper letters, 14 selfloop transitions, 3 changer transitions 0/555 dead transitions. [2023-11-29 05:10:40,658 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 439 places, 555 transitions, 2023 flow [2023-11-29 05:10:40,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:10:40,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:10:40,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1320 transitions. [2023-11-29 05:10:40,661 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9649122807017544 [2023-11-29 05:10:40,662 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1320 transitions. [2023-11-29 05:10:40,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1320 transitions. [2023-11-29 05:10:40,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:10:40,662 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1320 transitions. [2023-11-29 05:10:40,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 440.0) internal successors, (1320), 3 states have internal predecessors, (1320), 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) [2023-11-29 05:10:40,666 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 456.0) internal successors, (1824), 4 states have internal predecessors, (1824), 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) [2023-11-29 05:10:40,667 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 456.0) internal successors, (1824), 4 states have internal predecessors, (1824), 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) [2023-11-29 05:10:40,667 INFO L175 Difference]: Start difference. First operand has 441 places, 825 transitions, 4488 flow. Second operand 3 states and 1320 transitions. [2023-11-29 05:10:40,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 439 places, 555 transitions, 2023 flow [2023-11-29 05:10:40,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 555 transitions, 1789 flow, removed 69 selfloop flow, removed 12 redundant places. [2023-11-29 05:10:40,715 INFO L231 Difference]: Finished difference. Result has 428 places, 550 transitions, 1753 flow [2023-11-29 05:10:40,716 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=1742, PETRI_DIFFERENCE_MINUEND_PLACES=425, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=550, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=547, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1753, PETRI_PLACES=428, PETRI_TRANSITIONS=550} [2023-11-29 05:10:40,716 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, -8 predicate places. [2023-11-29 05:10:40,716 INFO L495 AbstractCegarLoop]: Abstraction has has 428 places, 550 transitions, 1753 flow [2023-11-29 05:10:40,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 436.0) internal successors, (1308), 3 states have internal predecessors, (1308), 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) [2023-11-29 05:10:40,717 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:10:40,717 INFO L208 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] [2023-11-29 05:10:40,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 05:10:40,717 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:10:40,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:10:40,717 INFO L85 PathProgramCache]: Analyzing trace with hash 826659390, now seen corresponding path program 1 times [2023-11-29 05:10:40,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:10:40,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365223758] [2023-11-29 05:10:40,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:10:40,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:10:40,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:41,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:10:41,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:10:41,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365223758] [2023-11-29 05:10:41,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365223758] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:10:41,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:10:41,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:10:41,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292123106] [2023-11-29 05:10:41,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:10:41,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:10:41,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:10:41,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:10:41,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:10:41,883 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 456 [2023-11-29 05:10:41,884 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 550 transitions, 1753 flow. Second operand has 6 states, 6 states have (on average 327.8333333333333) internal successors, (1967), 6 states have internal predecessors, (1967), 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) [2023-11-29 05:10:41,884 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:10:41,885 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 456 [2023-11-29 05:10:41,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:10:48,103 INFO L124 PetriNetUnfolderBase]: 10929/33453 cut-off events. [2023-11-29 05:10:48,104 INFO L125 PetriNetUnfolderBase]: For 9495/9597 co-relation queries the response was YES. [2023-11-29 05:10:48,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65074 conditions, 33453 events. 10929/33453 cut-off events. For 9495/9597 co-relation queries the response was YES. Maximal size of possible extension queue 406. Compared 343302 event pairs, 6818 based on Foata normal form. 0/30989 useless extension candidates. Maximal degree in co-relation 64207. Up to 18160 conditions per place. [2023-11-29 05:10:48,294 INFO L140 encePairwiseOnDemand]: 445/456 looper letters, 262 selfloop transitions, 32 changer transitions 0/589 dead transitions. [2023-11-29 05:10:48,294 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 589 transitions, 2497 flow [2023-11-29 05:10:48,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:10:48,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 05:10:48,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2090 transitions. [2023-11-29 05:10:48,299 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7638888888888888 [2023-11-29 05:10:48,299 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2090 transitions. [2023-11-29 05:10:48,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2090 transitions. [2023-11-29 05:10:48,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:10:48,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2090 transitions. [2023-11-29 05:10:48,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 348.3333333333333) internal successors, (2090), 6 states have internal predecessors, (2090), 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) [2023-11-29 05:10:48,308 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 456.0) internal successors, (3192), 7 states have internal predecessors, (3192), 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) [2023-11-29 05:10:48,309 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 456.0) internal successors, (3192), 7 states have internal predecessors, (3192), 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) [2023-11-29 05:10:48,309 INFO L175 Difference]: Start difference. First operand has 428 places, 550 transitions, 1753 flow. Second operand 6 states and 2090 transitions. [2023-11-29 05:10:48,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 589 transitions, 2497 flow [2023-11-29 05:10:48,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 589 transitions, 2491 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:10:48,431 INFO L231 Difference]: Finished difference. Result has 436 places, 577 transitions, 2031 flow [2023-11-29 05:10:48,432 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=1747, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=550, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=530, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2031, PETRI_PLACES=436, PETRI_TRANSITIONS=577} [2023-11-29 05:10:48,432 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 0 predicate places. [2023-11-29 05:10:48,432 INFO L495 AbstractCegarLoop]: Abstraction has has 436 places, 577 transitions, 2031 flow [2023-11-29 05:10:48,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 327.8333333333333) internal successors, (1967), 6 states have internal predecessors, (1967), 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) [2023-11-29 05:10:48,433 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:10:48,433 INFO L208 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] [2023-11-29 05:10:48,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 05:10:48,433 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:10:48,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:10:48,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1637805963, now seen corresponding path program 1 times [2023-11-29 05:10:48,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:10:48,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958784168] [2023-11-29 05:10:48,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:10:48,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:10:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:48,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:10:48,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:10:48,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958784168] [2023-11-29 05:10:48,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958784168] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:10:48,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:10:48,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:10:48,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92552620] [2023-11-29 05:10:48,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:10:48,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:10:48,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:10:48,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:10:48,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:10:48,592 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 434 out of 456 [2023-11-29 05:10:48,594 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 436 places, 577 transitions, 2031 flow. Second operand has 3 states, 3 states have (on average 436.6666666666667) internal successors, (1310), 3 states have internal predecessors, (1310), 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) [2023-11-29 05:10:48,594 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:10:48,594 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 434 of 456 [2023-11-29 05:10:48,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:10:50,339 INFO L124 PetriNetUnfolderBase]: 1741/11097 cut-off events. [2023-11-29 05:10:50,339 INFO L125 PetriNetUnfolderBase]: For 2699/3025 co-relation queries the response was YES. [2023-11-29 05:10:50,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19177 conditions, 11097 events. 1741/11097 cut-off events. For 2699/3025 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 102079 event pairs, 50 based on Foata normal form. 4/10301 useless extension candidates. Maximal degree in co-relation 18749. Up to 1976 conditions per place. [2023-11-29 05:10:50,496 INFO L140 encePairwiseOnDemand]: 452/456 looper letters, 13 selfloop transitions, 3 changer transitions 0/581 dead transitions. [2023-11-29 05:10:50,496 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 581 transitions, 2074 flow [2023-11-29 05:10:50,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:10:50,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:10:50,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1319 transitions. [2023-11-29 05:10:50,500 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9641812865497076 [2023-11-29 05:10:50,500 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1319 transitions. [2023-11-29 05:10:50,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1319 transitions. [2023-11-29 05:10:50,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:10:50,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1319 transitions. [2023-11-29 05:10:50,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 439.6666666666667) internal successors, (1319), 3 states have internal predecessors, (1319), 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) [2023-11-29 05:10:50,504 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 456.0) internal successors, (1824), 4 states have internal predecessors, (1824), 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) [2023-11-29 05:10:50,504 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 456.0) internal successors, (1824), 4 states have internal predecessors, (1824), 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) [2023-11-29 05:10:50,504 INFO L175 Difference]: Start difference. First operand has 436 places, 577 transitions, 2031 flow. Second operand 3 states and 1319 transitions. [2023-11-29 05:10:50,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 581 transitions, 2074 flow [2023-11-29 05:10:50,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 581 transitions, 2056 flow, removed 9 selfloop flow, removed 0 redundant places. [2023-11-29 05:10:50,544 INFO L231 Difference]: Finished difference. Result has 438 places, 576 transitions, 2017 flow [2023-11-29 05:10:50,544 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=2011, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=576, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=573, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2017, PETRI_PLACES=438, PETRI_TRANSITIONS=576} [2023-11-29 05:10:50,545 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 2 predicate places. [2023-11-29 05:10:50,545 INFO L495 AbstractCegarLoop]: Abstraction has has 438 places, 576 transitions, 2017 flow [2023-11-29 05:10:50,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 436.6666666666667) internal successors, (1310), 3 states have internal predecessors, (1310), 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) [2023-11-29 05:10:50,545 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:10:50,545 INFO L208 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] [2023-11-29 05:10:50,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 05:10:50,545 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting t1Err3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:10:50,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:10:50,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1076419005, now seen corresponding path program 1 times [2023-11-29 05:10:50,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:10:50,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654463500] [2023-11-29 05:10:50,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:10:50,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:10:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:51,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:10:51,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:10:51,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654463500] [2023-11-29 05:10:51,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654463500] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:10:51,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:10:51,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:10:51,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944182083] [2023-11-29 05:10:51,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:10:51,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:10:51,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:10:51,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:10:51,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:10:51,962 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 393 out of 456 [2023-11-29 05:10:51,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 576 transitions, 2017 flow. Second operand has 6 states, 6 states have (on average 397.1666666666667) internal successors, (2383), 6 states have internal predecessors, (2383), 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) [2023-11-29 05:10:51,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:10:51,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 393 of 456 [2023-11-29 05:10:51,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:10:54,556 INFO L124 PetriNetUnfolderBase]: 3117/15713 cut-off events. [2023-11-29 05:10:54,556 INFO L125 PetriNetUnfolderBase]: For 5685/6139 co-relation queries the response was YES. [2023-11-29 05:10:54,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28900 conditions, 15713 events. 3117/15713 cut-off events. For 5685/6139 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 152292 event pairs, 845 based on Foata normal form. 0/14558 useless extension candidates. Maximal degree in co-relation 28256. Up to 3147 conditions per place. [2023-11-29 05:10:54,652 INFO L140 encePairwiseOnDemand]: 450/456 looper letters, 157 selfloop transitions, 9 changer transitions 0/587 dead transitions. [2023-11-29 05:10:54,652 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 442 places, 587 transitions, 2379 flow [2023-11-29 05:10:54,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:10:54,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 05:10:54,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2423 transitions. [2023-11-29 05:10:54,657 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8855994152046783 [2023-11-29 05:10:54,657 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2423 transitions. [2023-11-29 05:10:54,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2423 transitions. [2023-11-29 05:10:54,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:10:54,658 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2423 transitions. [2023-11-29 05:10:54,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 403.8333333333333) internal successors, (2423), 6 states have internal predecessors, (2423), 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) [2023-11-29 05:10:54,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 456.0) internal successors, (3192), 7 states have internal predecessors, (3192), 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) [2023-11-29 05:10:54,666 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 456.0) internal successors, (3192), 7 states have internal predecessors, (3192), 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) [2023-11-29 05:10:54,666 INFO L175 Difference]: Start difference. First operand has 438 places, 576 transitions, 2017 flow. Second operand 6 states and 2423 transitions. [2023-11-29 05:10:54,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 442 places, 587 transitions, 2379 flow [2023-11-29 05:10:54,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 587 transitions, 2373 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:10:54,718 INFO L231 Difference]: Finished difference. Result has 440 places, 575 transitions, 2027 flow [2023-11-29 05:10:54,718 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=2009, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=575, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=566, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2027, PETRI_PLACES=440, PETRI_TRANSITIONS=575} [2023-11-29 05:10:54,719 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 4 predicate places. [2023-11-29 05:10:54,719 INFO L495 AbstractCegarLoop]: Abstraction has has 440 places, 575 transitions, 2027 flow [2023-11-29 05:10:54,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 397.1666666666667) internal successors, (2383), 6 states have internal predecessors, (2383), 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) [2023-11-29 05:10:54,720 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:10:54,720 INFO L208 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] [2023-11-29 05:10:54,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 05:10:54,720 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:10:54,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:10:54,721 INFO L85 PathProgramCache]: Analyzing trace with hash -212873431, now seen corresponding path program 1 times [2023-11-29 05:10:54,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:10:54,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166551498] [2023-11-29 05:10:54,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:10:54,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:10:54,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:10:55,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:10:55,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:10:55,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166551498] [2023-11-29 05:10:55,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166551498] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:10:55,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:10:55,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 05:10:55,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462939865] [2023-11-29 05:10:55,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:10:55,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:10:55,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:10:55,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:10:55,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:10:58,296 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 456 [2023-11-29 05:10:58,299 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 575 transitions, 2027 flow. Second operand has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:10:58,299 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:10:58,299 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 456 [2023-11-29 05:10:58,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:11:02,717 INFO L124 PetriNetUnfolderBase]: 5582/20726 cut-off events. [2023-11-29 05:11:02,718 INFO L125 PetriNetUnfolderBase]: For 7771/10057 co-relation queries the response was YES. [2023-11-29 05:11:02,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42528 conditions, 20726 events. 5582/20726 cut-off events. For 7771/10057 co-relation queries the response was YES. Maximal size of possible extension queue 199. Compared 201232 event pairs, 1436 based on Foata normal form. 1052/20370 useless extension candidates. Maximal degree in co-relation 41832. Up to 5528 conditions per place. [2023-11-29 05:11:02,842 INFO L140 encePairwiseOnDemand]: 411/456 looper letters, 154 selfloop transitions, 151 changer transitions 0/657 dead transitions. [2023-11-29 05:11:02,842 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 657 transitions, 2946 flow [2023-11-29 05:11:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 05:11:02,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-29 05:11:02,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4400 transitions. [2023-11-29 05:11:02,851 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8771929824561403 [2023-11-29 05:11:02,851 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 4400 transitions. [2023-11-29 05:11:02,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 4400 transitions. [2023-11-29 05:11:02,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:11:02,852 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 4400 transitions. [2023-11-29 05:11:02,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 400.0) internal successors, (4400), 11 states have internal predecessors, (4400), 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) [2023-11-29 05:11:02,862 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 456.0) internal successors, (5472), 12 states have internal predecessors, (5472), 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) [2023-11-29 05:11:02,862 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 456.0) internal successors, (5472), 12 states have internal predecessors, (5472), 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) [2023-11-29 05:11:02,862 INFO L175 Difference]: Start difference. First operand has 440 places, 575 transitions, 2027 flow. Second operand 11 states and 4400 transitions. [2023-11-29 05:11:02,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 657 transitions, 2946 flow [2023-11-29 05:11:02,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 657 transitions, 2924 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 05:11:02,929 INFO L231 Difference]: Finished difference. Result has 449 places, 597 transitions, 2677 flow [2023-11-29 05:11:02,929 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=2009, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=575, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=129, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2677, PETRI_PLACES=449, PETRI_TRANSITIONS=597} [2023-11-29 05:11:02,930 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 13 predicate places. [2023-11-29 05:11:02,930 INFO L495 AbstractCegarLoop]: Abstraction has has 449 places, 597 transitions, 2677 flow [2023-11-29 05:11:02,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:11:02,930 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:11:02,930 INFO L208 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] [2023-11-29 05:11:02,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 05:11:02,930 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:11:02,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:11:02,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1721868759, now seen corresponding path program 2 times [2023-11-29 05:11:02,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:11:02,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499305180] [2023-11-29 05:11:02,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:11:02,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:11:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:11:03,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:11:03,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:11:03,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499305180] [2023-11-29 05:11:03,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499305180] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:11:03,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:11:03,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 05:11:03,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113770552] [2023-11-29 05:11:03,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:11:03,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:11:03,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:11:03,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:11:03,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:11:06,333 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 456 [2023-11-29 05:11:06,337 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 597 transitions, 2677 flow. Second operand has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:11:06,337 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:11:06,337 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 456 [2023-11-29 05:11:06,337 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:11:11,269 INFO L124 PetriNetUnfolderBase]: 6554/24031 cut-off events. [2023-11-29 05:11:11,269 INFO L125 PetriNetUnfolderBase]: For 20633/23040 co-relation queries the response was YES. [2023-11-29 05:11:11,362 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54629 conditions, 24031 events. 6554/24031 cut-off events. For 20633/23040 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 237819 event pairs, 1138 based on Foata normal form. 956/23468 useless extension candidates. Maximal degree in co-relation 53926. Up to 3833 conditions per place. [2023-11-29 05:11:11,422 INFO L140 encePairwiseOnDemand]: 427/456 looper letters, 343 selfloop transitions, 74 changer transitions 0/769 dead transitions. [2023-11-29 05:11:11,422 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 769 transitions, 4554 flow [2023-11-29 05:11:11,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 05:11:11,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-29 05:11:11,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 5084 transitions. [2023-11-29 05:11:11,426 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8576248313090419 [2023-11-29 05:11:11,427 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 5084 transitions. [2023-11-29 05:11:11,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 5084 transitions. [2023-11-29 05:11:11,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:11:11,428 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 5084 transitions. [2023-11-29 05:11:11,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 391.0769230769231) internal successors, (5084), 13 states have internal predecessors, (5084), 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) [2023-11-29 05:11:11,437 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 456.0) internal successors, (6384), 14 states have internal predecessors, (6384), 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) [2023-11-29 05:11:11,437 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 456.0) internal successors, (6384), 14 states have internal predecessors, (6384), 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) [2023-11-29 05:11:11,437 INFO L175 Difference]: Start difference. First operand has 449 places, 597 transitions, 2677 flow. Second operand 13 states and 5084 transitions. [2023-11-29 05:11:11,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 769 transitions, 4554 flow [2023-11-29 05:11:11,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 455 places, 769 transitions, 4418 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-29 05:11:11,519 INFO L231 Difference]: Finished difference. Result has 464 places, 652 transitions, 3356 flow [2023-11-29 05:11:11,519 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=2561, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=597, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3356, PETRI_PLACES=464, PETRI_TRANSITIONS=652} [2023-11-29 05:11:11,520 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 28 predicate places. [2023-11-29 05:11:11,520 INFO L495 AbstractCegarLoop]: Abstraction has has 464 places, 652 transitions, 3356 flow [2023-11-29 05:11:11,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:11:11,520 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:11:11,521 INFO L208 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] [2023-11-29 05:11:11,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 05:11:11,521 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:11:11,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:11:11,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1885951473, now seen corresponding path program 3 times [2023-11-29 05:11:11,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:11:11,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606086313] [2023-11-29 05:11:11,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:11:11,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:11:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:11:12,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:11:12,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:11:12,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606086313] [2023-11-29 05:11:12,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606086313] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:11:12,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:11:12,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 05:11:12,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431805325] [2023-11-29 05:11:12,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:11:12,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:11:12,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:11:12,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:11:12,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:11:15,206 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 456 [2023-11-29 05:11:15,209 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 652 transitions, 3356 flow. Second operand has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:11:15,209 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:11:15,209 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 456 [2023-11-29 05:11:15,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:11:20,963 INFO L124 PetriNetUnfolderBase]: 6972/25362 cut-off events. [2023-11-29 05:11:20,963 INFO L125 PetriNetUnfolderBase]: For 45306/48288 co-relation queries the response was YES. [2023-11-29 05:11:21,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65078 conditions, 25362 events. 6972/25362 cut-off events. For 45306/48288 co-relation queries the response was YES. Maximal size of possible extension queue 273. Compared 254310 event pairs, 1832 based on Foata normal form. 1548/25386 useless extension candidates. Maximal degree in co-relation 64347. Up to 6836 conditions per place. [2023-11-29 05:11:21,157 INFO L140 encePairwiseOnDemand]: 411/456 looper letters, 203 selfloop transitions, 191 changer transitions 0/746 dead transitions. [2023-11-29 05:11:21,158 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 475 places, 746 transitions, 4757 flow [2023-11-29 05:11:21,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 05:11:21,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-29 05:11:21,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 4783 transitions. [2023-11-29 05:11:21,162 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8740862573099415 [2023-11-29 05:11:21,162 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 4783 transitions. [2023-11-29 05:11:21,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 4783 transitions. [2023-11-29 05:11:21,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:11:21,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 4783 transitions. [2023-11-29 05:11:21,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 398.5833333333333) internal successors, (4783), 12 states have internal predecessors, (4783), 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) [2023-11-29 05:11:21,171 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 456.0) internal successors, (5928), 13 states have internal predecessors, (5928), 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) [2023-11-29 05:11:21,171 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 456.0) internal successors, (5928), 13 states have internal predecessors, (5928), 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) [2023-11-29 05:11:21,171 INFO L175 Difference]: Start difference. First operand has 464 places, 652 transitions, 3356 flow. Second operand 12 states and 4783 transitions. [2023-11-29 05:11:21,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 475 places, 746 transitions, 4757 flow [2023-11-29 05:11:21,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 472 places, 746 transitions, 4740 flow, removed 6 selfloop flow, removed 3 redundant places. [2023-11-29 05:11:21,475 INFO L231 Difference]: Finished difference. Result has 477 places, 683 transitions, 4414 flow [2023-11-29 05:11:21,476 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=3345, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=652, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=161, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=464, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=4414, PETRI_PLACES=477, PETRI_TRANSITIONS=683} [2023-11-29 05:11:21,476 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 41 predicate places. [2023-11-29 05:11:21,476 INFO L495 AbstractCegarLoop]: Abstraction has has 477 places, 683 transitions, 4414 flow [2023-11-29 05:11:21,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:11:21,477 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:11:21,477 INFO L208 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] [2023-11-29 05:11:21,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 05:11:21,477 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:11:21,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:11:21,477 INFO L85 PathProgramCache]: Analyzing trace with hash -431390723, now seen corresponding path program 4 times [2023-11-29 05:11:21,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:11:21,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785121082] [2023-11-29 05:11:21,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:11:21,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:11:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:11:22,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:11:22,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:11:22,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785121082] [2023-11-29 05:11:22,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785121082] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:11:22,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:11:22,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 05:11:22,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331744538] [2023-11-29 05:11:22,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:11:22,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:11:22,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:11:22,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:11:22,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:11:24,503 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 456 [2023-11-29 05:11:24,506 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 477 places, 683 transitions, 4414 flow. Second operand has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:11:24,506 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:11:24,507 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 456 [2023-11-29 05:11:24,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:11:31,734 INFO L124 PetriNetUnfolderBase]: 9190/32459 cut-off events. [2023-11-29 05:11:31,734 INFO L125 PetriNetUnfolderBase]: For 93882/97215 co-relation queries the response was YES. [2023-11-29 05:11:31,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91729 conditions, 32459 events. 9190/32459 cut-off events. For 93882/97215 co-relation queries the response was YES. Maximal size of possible extension queue 385. Compared 341130 event pairs, 1221 based on Foata normal form. 1057/31713 useless extension candidates. Maximal degree in co-relation 90982. Up to 5269 conditions per place. [2023-11-29 05:11:32,033 INFO L140 encePairwiseOnDemand]: 411/456 looper letters, 347 selfloop transitions, 210 changer transitions 0/909 dead transitions. [2023-11-29 05:11:32,034 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 909 transitions, 7611 flow [2023-11-29 05:11:32,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 05:11:32,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-29 05:11:32,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 5123 transitions. [2023-11-29 05:11:32,038 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8642037786774629 [2023-11-29 05:11:32,039 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 5123 transitions. [2023-11-29 05:11:32,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 5123 transitions. [2023-11-29 05:11:32,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:11:32,040 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 5123 transitions. [2023-11-29 05:11:32,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 394.0769230769231) internal successors, (5123), 13 states have internal predecessors, (5123), 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) [2023-11-29 05:11:32,049 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 456.0) internal successors, (6384), 14 states have internal predecessors, (6384), 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) [2023-11-29 05:11:32,050 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 456.0) internal successors, (6384), 14 states have internal predecessors, (6384), 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) [2023-11-29 05:11:32,050 INFO L175 Difference]: Start difference. First operand has 477 places, 683 transitions, 4414 flow. Second operand 13 states and 5123 transitions. [2023-11-29 05:11:32,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 909 transitions, 7611 flow [2023-11-29 05:11:32,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 483 places, 909 transitions, 7402 flow, removed 29 selfloop flow, removed 6 redundant places. [2023-11-29 05:11:32,607 INFO L231 Difference]: Finished difference. Result has 492 places, 772 transitions, 6360 flow [2023-11-29 05:11:32,608 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=4268, PETRI_DIFFERENCE_MINUEND_PLACES=471, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=683, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=140, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=504, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=6360, PETRI_PLACES=492, PETRI_TRANSITIONS=772} [2023-11-29 05:11:32,608 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 56 predicate places. [2023-11-29 05:11:32,609 INFO L495 AbstractCegarLoop]: Abstraction has has 492 places, 772 transitions, 6360 flow [2023-11-29 05:11:32,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:11:32,609 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:11:32,609 INFO L208 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] [2023-11-29 05:11:32,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 05:11:32,609 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:11:32,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:11:32,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1113923609, now seen corresponding path program 5 times [2023-11-29 05:11:32,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:11:32,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747605907] [2023-11-29 05:11:32,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:11:32,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:11:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:11:33,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:11:33,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:11:33,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747605907] [2023-11-29 05:11:33,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747605907] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:11:33,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:11:33,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 05:11:33,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669557426] [2023-11-29 05:11:33,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:11:33,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:11:33,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:11:33,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:11:33,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:11:36,583 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 456 [2023-11-29 05:11:36,585 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 492 places, 772 transitions, 6360 flow. Second operand has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:11:36,585 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:11:36,585 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 456 [2023-11-29 05:11:36,586 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:11:45,340 INFO L124 PetriNetUnfolderBase]: 9786/34454 cut-off events. [2023-11-29 05:11:45,340 INFO L125 PetriNetUnfolderBase]: For 142912/146516 co-relation queries the response was YES. [2023-11-29 05:11:45,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105725 conditions, 34454 events. 9786/34454 cut-off events. For 142912/146516 co-relation queries the response was YES. Maximal size of possible extension queue 425. Compared 368200 event pairs, 1723 based on Foata normal form. 1793/34389 useless extension candidates. Maximal degree in co-relation 104960. Up to 9566 conditions per place. [2023-11-29 05:11:45,694 INFO L140 encePairwiseOnDemand]: 411/456 looper letters, 282 selfloop transitions, 263 changer transitions 0/897 dead transitions. [2023-11-29 05:11:45,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 897 transitions, 8519 flow [2023-11-29 05:11:45,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 05:11:45,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-29 05:11:45,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 5178 transitions. [2023-11-29 05:11:45,698 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8734817813765182 [2023-11-29 05:11:45,699 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 5178 transitions. [2023-11-29 05:11:45,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 5178 transitions. [2023-11-29 05:11:45,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:11:45,700 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 5178 transitions. [2023-11-29 05:11:45,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 398.3076923076923) internal successors, (5178), 13 states have internal predecessors, (5178), 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) [2023-11-29 05:11:45,711 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 456.0) internal successors, (6384), 14 states have internal predecessors, (6384), 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) [2023-11-29 05:11:45,711 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 456.0) internal successors, (6384), 14 states have internal predecessors, (6384), 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) [2023-11-29 05:11:45,712 INFO L175 Difference]: Start difference. First operand has 492 places, 772 transitions, 6360 flow. Second operand 13 states and 5178 transitions. [2023-11-29 05:11:45,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 504 places, 897 transitions, 8519 flow [2023-11-29 05:11:46,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 501 places, 897 transitions, 8458 flow, removed 28 selfloop flow, removed 3 redundant places. [2023-11-29 05:11:46,701 INFO L231 Difference]: Finished difference. Result has 507 places, 812 transitions, 7906 flow [2023-11-29 05:11:46,701 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=6299, PETRI_DIFFERENCE_MINUEND_PLACES=489, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=772, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=227, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=7906, PETRI_PLACES=507, PETRI_TRANSITIONS=812} [2023-11-29 05:11:46,702 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 71 predicate places. [2023-11-29 05:11:46,702 INFO L495 AbstractCegarLoop]: Abstraction has has 507 places, 812 transitions, 7906 flow [2023-11-29 05:11:46,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:11:46,702 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:11:46,702 INFO L208 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] [2023-11-29 05:11:46,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 05:11:46,703 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:11:46,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:11:46,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1832087005, now seen corresponding path program 6 times [2023-11-29 05:11:46,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:11:46,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895069955] [2023-11-29 05:11:46,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:11:46,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:11:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:11:47,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:11:47,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:11:47,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895069955] [2023-11-29 05:11:47,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895069955] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:11:47,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:11:47,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 05:11:47,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308456537] [2023-11-29 05:11:47,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:11:47,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:11:47,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:11:47,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:11:47,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:11:50,482 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 456 [2023-11-29 05:11:50,485 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 507 places, 812 transitions, 7906 flow. Second operand has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:11:50,485 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:11:50,485 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 456 [2023-11-29 05:11:50,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:12:00,938 INFO L124 PetriNetUnfolderBase]: 11353/40136 cut-off events. [2023-11-29 05:12:00,938 INFO L125 PetriNetUnfolderBase]: For 235209/239524 co-relation queries the response was YES. [2023-11-29 05:12:01,263 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130524 conditions, 40136 events. 11353/40136 cut-off events. For 235209/239524 co-relation queries the response was YES. Maximal size of possible extension queue 534. Compared 443737 event pairs, 1973 based on Foata normal form. 1510/39559 useless extension candidates. Maximal degree in co-relation 129744. Up to 8859 conditions per place. [2023-11-29 05:12:01,392 INFO L140 encePairwiseOnDemand]: 411/456 looper letters, 362 selfloop transitions, 298 changer transitions 0/1012 dead transitions. [2023-11-29 05:12:01,392 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 519 places, 1012 transitions, 11325 flow [2023-11-29 05:12:01,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 05:12:01,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-29 05:12:01,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 5146 transitions. [2023-11-29 05:12:01,396 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8680836707152496 [2023-11-29 05:12:01,396 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 5146 transitions. [2023-11-29 05:12:01,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 5146 transitions. [2023-11-29 05:12:01,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:12:01,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 5146 transitions. [2023-11-29 05:12:01,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 395.84615384615387) internal successors, (5146), 13 states have internal predecessors, (5146), 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) [2023-11-29 05:12:01,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 456.0) internal successors, (6384), 14 states have internal predecessors, (6384), 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) [2023-11-29 05:12:01,405 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 456.0) internal successors, (6384), 14 states have internal predecessors, (6384), 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) [2023-11-29 05:12:01,405 INFO L175 Difference]: Start difference. First operand has 507 places, 812 transitions, 7906 flow. Second operand 13 states and 5146 transitions. [2023-11-29 05:12:01,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 519 places, 1012 transitions, 11325 flow [2023-11-29 05:12:03,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 1012 transitions, 11181 flow, removed 22 selfloop flow, removed 5 redundant places. [2023-11-29 05:12:03,292 INFO L231 Difference]: Finished difference. Result has 522 places, 878 transitions, 10017 flow [2023-11-29 05:12:03,293 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=7772, PETRI_DIFFERENCE_MINUEND_PLACES=502, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=812, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=238, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=523, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=10017, PETRI_PLACES=522, PETRI_TRANSITIONS=878} [2023-11-29 05:12:03,293 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 86 predicate places. [2023-11-29 05:12:03,294 INFO L495 AbstractCegarLoop]: Abstraction has has 522 places, 878 transitions, 10017 flow [2023-11-29 05:12:03,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:12:03,294 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:12:03,294 INFO L208 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] [2023-11-29 05:12:03,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 05:12:03,294 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:12:03,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:12:03,295 INFO L85 PathProgramCache]: Analyzing trace with hash 857557413, now seen corresponding path program 7 times [2023-11-29 05:12:03,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:12:03,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754409693] [2023-11-29 05:12:03,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:12:03,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:12:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:03,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:12:03,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:12:03,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754409693] [2023-11-29 05:12:03,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754409693] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:12:03,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:12:03,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 05:12:03,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793631470] [2023-11-29 05:12:03,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:12:03,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:12:03,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:12:03,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:12:03,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:12:07,477 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 456 [2023-11-29 05:12:07,480 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 522 places, 878 transitions, 10017 flow. Second operand has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:12:07,480 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:12:07,480 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 456 [2023-11-29 05:12:07,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:12:19,086 INFO L124 PetriNetUnfolderBase]: 11887/41947 cut-off events. [2023-11-29 05:12:19,086 INFO L125 PetriNetUnfolderBase]: For 334596/339773 co-relation queries the response was YES. [2023-11-29 05:12:19,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 147880 conditions, 41947 events. 11887/41947 cut-off events. For 334596/339773 co-relation queries the response was YES. Maximal size of possible extension queue 569. Compared 469328 event pairs, 3928 based on Foata normal form. 2367/42199 useless extension candidates. Maximal degree in co-relation 147081. Up to 13561 conditions per place. [2023-11-29 05:12:19,639 INFO L140 encePairwiseOnDemand]: 411/456 looper letters, 288 selfloop transitions, 346 changer transitions 0/986 dead transitions. [2023-11-29 05:12:19,639 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 533 places, 986 transitions, 12727 flow [2023-11-29 05:12:19,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 05:12:19,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-29 05:12:19,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 4751 transitions. [2023-11-29 05:12:19,643 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8682383040935673 [2023-11-29 05:12:19,643 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 4751 transitions. [2023-11-29 05:12:19,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 4751 transitions. [2023-11-29 05:12:19,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:12:19,644 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 4751 transitions. [2023-11-29 05:12:19,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 395.9166666666667) internal successors, (4751), 12 states have internal predecessors, (4751), 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) [2023-11-29 05:12:19,651 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 456.0) internal successors, (5928), 13 states have internal predecessors, (5928), 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) [2023-11-29 05:12:19,652 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 456.0) internal successors, (5928), 13 states have internal predecessors, (5928), 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) [2023-11-29 05:12:19,652 INFO L175 Difference]: Start difference. First operand has 522 places, 878 transitions, 10017 flow. Second operand 12 states and 4751 transitions. [2023-11-29 05:12:19,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 533 places, 986 transitions, 12727 flow [2023-11-29 05:12:22,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 530 places, 986 transitions, 12614 flow, removed 54 selfloop flow, removed 3 redundant places. [2023-11-29 05:12:22,239 INFO L231 Difference]: Finished difference. Result has 537 places, 925 transitions, 12372 flow [2023-11-29 05:12:22,240 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=9914, PETRI_DIFFERENCE_MINUEND_PLACES=519, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=878, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=302, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=12372, PETRI_PLACES=537, PETRI_TRANSITIONS=925} [2023-11-29 05:12:22,240 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 101 predicate places. [2023-11-29 05:12:22,240 INFO L495 AbstractCegarLoop]: Abstraction has has 537 places, 925 transitions, 12372 flow [2023-11-29 05:12:22,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:12:22,240 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:12:22,241 INFO L208 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] [2023-11-29 05:12:22,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 05:12:22,241 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:12:22,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:12:22,241 INFO L85 PathProgramCache]: Analyzing trace with hash -931384273, now seen corresponding path program 8 times [2023-11-29 05:12:22,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:12:22,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556216360] [2023-11-29 05:12:22,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:12:22,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:12:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:22,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:12:22,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:12:22,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556216360] [2023-11-29 05:12:22,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556216360] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:12:22,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:12:22,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 05:12:22,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510033681] [2023-11-29 05:12:22,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:12:22,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:12:22,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:12:22,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:12:22,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:12:25,872 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 456 [2023-11-29 05:12:25,874 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 925 transitions, 12372 flow. Second operand has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:12:25,874 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:12:25,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 456 [2023-11-29 05:12:25,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:12:38,446 INFO L124 PetriNetUnfolderBase]: 12229/43384 cut-off events. [2023-11-29 05:12:38,446 INFO L125 PetriNetUnfolderBase]: For 448178/454024 co-relation queries the response was YES. [2023-11-29 05:12:38,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 163077 conditions, 43384 events. 12229/43384 cut-off events. For 448178/454024 co-relation queries the response was YES. Maximal size of possible extension queue 600. Compared 490117 event pairs, 2655 based on Foata normal form. 2064/43261 useless extension candidates. Maximal degree in co-relation 162272. Up to 13843 conditions per place. [2023-11-29 05:12:39,063 INFO L140 encePairwiseOnDemand]: 411/456 looper letters, 294 selfloop transitions, 368 changer transitions 0/1014 dead transitions. [2023-11-29 05:12:39,063 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 548 places, 1014 transitions, 14924 flow [2023-11-29 05:12:39,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 05:12:39,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-29 05:12:39,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 4717 transitions. [2023-11-29 05:12:39,068 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8620248538011696 [2023-11-29 05:12:39,068 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 4717 transitions. [2023-11-29 05:12:39,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 4717 transitions. [2023-11-29 05:12:39,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:12:39,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 4717 transitions. [2023-11-29 05:12:39,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 393.0833333333333) internal successors, (4717), 12 states have internal predecessors, (4717), 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) [2023-11-29 05:12:39,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 456.0) internal successors, (5928), 13 states have internal predecessors, (5928), 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) [2023-11-29 05:12:39,075 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 456.0) internal successors, (5928), 13 states have internal predecessors, (5928), 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) [2023-11-29 05:12:39,075 INFO L175 Difference]: Start difference. First operand has 537 places, 925 transitions, 12372 flow. Second operand 12 states and 4717 transitions. [2023-11-29 05:12:39,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 548 places, 1014 transitions, 14924 flow [2023-11-29 05:12:42,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 544 places, 1014 transitions, 14786 flow, removed 43 selfloop flow, removed 4 redundant places. [2023-11-29 05:12:42,742 INFO L231 Difference]: Finished difference. Result has 551 places, 958 transitions, 14488 flow [2023-11-29 05:12:42,743 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=12245, PETRI_DIFFERENCE_MINUEND_PLACES=533, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=925, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=335, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=557, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=14488, PETRI_PLACES=551, PETRI_TRANSITIONS=958} [2023-11-29 05:12:42,744 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 115 predicate places. [2023-11-29 05:12:42,744 INFO L495 AbstractCegarLoop]: Abstraction has has 551 places, 958 transitions, 14488 flow [2023-11-29 05:12:42,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:12:42,745 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:12:42,745 INFO L208 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] [2023-11-29 05:12:42,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 05:12:42,745 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:12:42,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:12:42,746 INFO L85 PathProgramCache]: Analyzing trace with hash 661323979, now seen corresponding path program 9 times [2023-11-29 05:12:42,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:12:42,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025866695] [2023-11-29 05:12:42,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:12:42,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:12:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:12:43,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:12:43,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:12:43,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025866695] [2023-11-29 05:12:43,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025866695] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:12:43,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:12:43,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 05:12:43,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021325087] [2023-11-29 05:12:43,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:12:43,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:12:43,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:12:43,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:12:43,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:12:46,979 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 456 [2023-11-29 05:12:46,981 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 958 transitions, 14488 flow. Second operand has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:12:46,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:12:46,982 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 456 [2023-11-29 05:12:46,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:13:00,984 INFO L124 PetriNetUnfolderBase]: 12873/45585 cut-off events. [2023-11-29 05:13:00,984 INFO L125 PetriNetUnfolderBase]: For 620053/626154 co-relation queries the response was YES. [2023-11-29 05:13:01,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181714 conditions, 45585 events. 12873/45585 cut-off events. For 620053/626154 co-relation queries the response was YES. Maximal size of possible extension queue 642. Compared 520977 event pairs, 2523 based on Foata normal form. 2562/45868 useless extension candidates. Maximal degree in co-relation 180901. Up to 14053 conditions per place. [2023-11-29 05:13:01,688 INFO L140 encePairwiseOnDemand]: 411/456 looper letters, 345 selfloop transitions, 387 changer transitions 0/1084 dead transitions. [2023-11-29 05:13:01,688 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 563 places, 1084 transitions, 17706 flow [2023-11-29 05:13:01,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 05:13:01,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-29 05:13:01,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 5149 transitions. [2023-11-29 05:13:01,692 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8685897435897436 [2023-11-29 05:13:01,692 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 5149 transitions. [2023-11-29 05:13:01,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 5149 transitions. [2023-11-29 05:13:01,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:13:01,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 5149 transitions. [2023-11-29 05:13:01,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 396.0769230769231) internal successors, (5149), 13 states have internal predecessors, (5149), 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) [2023-11-29 05:13:01,700 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 456.0) internal successors, (6384), 14 states have internal predecessors, (6384), 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) [2023-11-29 05:13:01,701 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 456.0) internal successors, (6384), 14 states have internal predecessors, (6384), 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) [2023-11-29 05:13:01,701 INFO L175 Difference]: Start difference. First operand has 551 places, 958 transitions, 14488 flow. Second operand 13 states and 5149 transitions. [2023-11-29 05:13:01,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 563 places, 1084 transitions, 17706 flow [2023-11-29 05:13:07,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 560 places, 1084 transitions, 17633 flow, removed 34 selfloop flow, removed 3 redundant places. [2023-11-29 05:13:07,314 INFO L231 Difference]: Finished difference. Result has 566 places, 1001 transitions, 17030 flow [2023-11-29 05:13:07,315 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=14421, PETRI_DIFFERENCE_MINUEND_PLACES=548, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=958, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=348, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=577, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=17030, PETRI_PLACES=566, PETRI_TRANSITIONS=1001} [2023-11-29 05:13:07,315 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 130 predicate places. [2023-11-29 05:13:07,315 INFO L495 AbstractCegarLoop]: Abstraction has has 566 places, 1001 transitions, 17030 flow [2023-11-29 05:13:07,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:13:07,316 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:13:07,316 INFO L208 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] [2023-11-29 05:13:07,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 05:13:07,316 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:13:07,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:13:07,317 INFO L85 PathProgramCache]: Analyzing trace with hash -227358305, now seen corresponding path program 10 times [2023-11-29 05:13:07,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:13:07,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316201209] [2023-11-29 05:13:07,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:13:07,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:13:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:13:07,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:13:07,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:13:07,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316201209] [2023-11-29 05:13:07,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316201209] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:13:07,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:13:07,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 05:13:07,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309532016] [2023-11-29 05:13:07,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:13:07,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:13:07,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:13:07,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:13:07,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:13:11,244 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 456 [2023-11-29 05:13:11,246 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 566 places, 1001 transitions, 17030 flow. Second operand has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:13:11,246 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:13:11,246 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 456 [2023-11-29 05:13:11,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:13:26,421 INFO L124 PetriNetUnfolderBase]: 13761/48441 cut-off events. [2023-11-29 05:13:26,421 INFO L125 PetriNetUnfolderBase]: For 813375/820096 co-relation queries the response was YES. [2023-11-29 05:13:27,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 204998 conditions, 48441 events. 13761/48441 cut-off events. For 813375/820096 co-relation queries the response was YES. Maximal size of possible extension queue 698. Compared 560826 event pairs, 2267 based on Foata normal form. 2900/48966 useless extension candidates. Maximal degree in co-relation 204178. Up to 12335 conditions per place. [2023-11-29 05:13:27,223 INFO L140 encePairwiseOnDemand]: 411/456 looper letters, 419 selfloop transitions, 380 changer transitions 0/1151 dead transitions. [2023-11-29 05:13:27,223 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 578 places, 1151 transitions, 20671 flow [2023-11-29 05:13:27,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 05:13:27,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-29 05:13:27,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 5164 transitions. [2023-11-29 05:13:27,227 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8711201079622132 [2023-11-29 05:13:27,228 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 5164 transitions. [2023-11-29 05:13:27,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 5164 transitions. [2023-11-29 05:13:27,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:13:27,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 5164 transitions. [2023-11-29 05:13:27,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 397.2307692307692) internal successors, (5164), 13 states have internal predecessors, (5164), 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) [2023-11-29 05:13:27,235 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 456.0) internal successors, (6384), 14 states have internal predecessors, (6384), 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) [2023-11-29 05:13:27,236 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 456.0) internal successors, (6384), 14 states have internal predecessors, (6384), 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) [2023-11-29 05:13:27,236 INFO L175 Difference]: Start difference. First operand has 566 places, 1001 transitions, 17030 flow. Second operand 13 states and 5164 transitions. [2023-11-29 05:13:27,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 578 places, 1151 transitions, 20671 flow [2023-11-29 05:13:34,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 572 places, 1151 transitions, 20148 flow, removed 33 selfloop flow, removed 6 redundant places. [2023-11-29 05:13:34,702 INFO L231 Difference]: Finished difference. Result has 579 places, 1049 transitions, 19268 flow [2023-11-29 05:13:34,703 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=16531, PETRI_DIFFERENCE_MINUEND_PLACES=560, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1001, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=337, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=627, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=19268, PETRI_PLACES=579, PETRI_TRANSITIONS=1049} [2023-11-29 05:13:34,703 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 143 predicate places. [2023-11-29 05:13:34,703 INFO L495 AbstractCegarLoop]: Abstraction has has 579 places, 1049 transitions, 19268 flow [2023-11-29 05:13:34,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:13:34,704 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:13:34,704 INFO L208 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] [2023-11-29 05:13:34,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 05:13:34,705 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:13:34,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:13:34,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1741924645, now seen corresponding path program 11 times [2023-11-29 05:13:34,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:13:34,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119133747] [2023-11-29 05:13:34,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:13:34,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:13:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:13:35,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:13:35,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:13:35,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119133747] [2023-11-29 05:13:35,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119133747] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:13:35,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:13:35,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 05:13:35,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251813820] [2023-11-29 05:13:35,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:13:35,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:13:35,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:13:35,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:13:35,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:13:38,471 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 456 [2023-11-29 05:13:38,473 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 579 places, 1049 transitions, 19268 flow. Second operand has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:13:38,473 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:13:38,473 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 456 [2023-11-29 05:13:38,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:13:55,150 INFO L124 PetriNetUnfolderBase]: 14405/50660 cut-off events. [2023-11-29 05:13:55,150 INFO L125 PetriNetUnfolderBase]: For 1026276/1033879 co-relation queries the response was YES. [2023-11-29 05:13:55,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 224951 conditions, 50660 events. 14405/50660 cut-off events. For 1026276/1033879 co-relation queries the response was YES. Maximal size of possible extension queue 740. Compared 592615 event pairs, 3013 based on Foata normal form. 2964/51161 useless extension candidates. Maximal degree in co-relation 224123. Up to 15997 conditions per place. [2023-11-29 05:13:56,189 INFO L140 encePairwiseOnDemand]: 411/456 looper letters, 383 selfloop transitions, 436 changer transitions 0/1171 dead transitions. [2023-11-29 05:13:56,189 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 591 places, 1171 transitions, 22931 flow [2023-11-29 05:13:56,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 05:13:56,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-29 05:13:56,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 5115 transitions. [2023-11-29 05:13:56,195 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8628542510121457 [2023-11-29 05:13:56,195 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 5115 transitions. [2023-11-29 05:13:56,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 5115 transitions. [2023-11-29 05:13:56,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:13:56,196 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 5115 transitions. [2023-11-29 05:13:56,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 393.46153846153845) internal successors, (5115), 13 states have internal predecessors, (5115), 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) [2023-11-29 05:13:56,207 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 456.0) internal successors, (6384), 14 states have internal predecessors, (6384), 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) [2023-11-29 05:13:56,208 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 456.0) internal successors, (6384), 14 states have internal predecessors, (6384), 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) [2023-11-29 05:13:56,208 INFO L175 Difference]: Start difference. First operand has 579 places, 1049 transitions, 19268 flow. Second operand 13 states and 5115 transitions. [2023-11-29 05:13:56,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 591 places, 1171 transitions, 22931 flow [2023-11-29 05:14:06,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 587 places, 1171 transitions, 22767 flow, removed 56 selfloop flow, removed 4 redundant places. [2023-11-29 05:14:06,684 INFO L231 Difference]: Finished difference. Result has 593 places, 1092 transitions, 22159 flow [2023-11-29 05:14:06,685 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=19120, PETRI_DIFFERENCE_MINUEND_PLACES=575, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1049, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=397, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=619, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=22159, PETRI_PLACES=593, PETRI_TRANSITIONS=1092} [2023-11-29 05:14:06,686 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 157 predicate places. [2023-11-29 05:14:06,686 INFO L495 AbstractCegarLoop]: Abstraction has has 593 places, 1092 transitions, 22159 flow [2023-11-29 05:14:06,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:14:06,686 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:14:06,687 INFO L208 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] [2023-11-29 05:14:06,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-29 05:14:06,687 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:14:06,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:14:06,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1989844271, now seen corresponding path program 12 times [2023-11-29 05:14:06,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:14:06,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173720458] [2023-11-29 05:14:06,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:14:06,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:14:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:14:07,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:14:07,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:14:07,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173720458] [2023-11-29 05:14:07,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173720458] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:14:07,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:14:07,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 05:14:07,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058362856] [2023-11-29 05:14:07,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:14:07,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:14:07,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:14:07,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:14:07,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:14:10,278 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 456 [2023-11-29 05:14:10,280 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 593 places, 1092 transitions, 22159 flow. Second operand has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:14:10,280 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:14:10,280 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 456 [2023-11-29 05:14:10,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:14:28,377 INFO L124 PetriNetUnfolderBase]: 14475/50808 cut-off events. [2023-11-29 05:14:28,378 INFO L125 PetriNetUnfolderBase]: For 1185032/1192968 co-relation queries the response was YES. [2023-11-29 05:14:29,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 235955 conditions, 50808 events. 14475/50808 cut-off events. For 1185032/1192968 co-relation queries the response was YES. Maximal size of possible extension queue 766. Compared 595394 event pairs, 4218 based on Foata normal form. 3618/51996 useless extension candidates. Maximal degree in co-relation 235120. Up to 14889 conditions per place. [2023-11-29 05:14:29,453 INFO L140 encePairwiseOnDemand]: 411/456 looper letters, 433 selfloop transitions, 459 changer transitions 0/1244 dead transitions. [2023-11-29 05:14:29,454 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 605 places, 1244 transitions, 26429 flow [2023-11-29 05:14:29,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 05:14:29,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-29 05:14:29,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 5134 transitions. [2023-11-29 05:14:29,457 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8660593792172739 [2023-11-29 05:14:29,458 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 5134 transitions. [2023-11-29 05:14:29,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 5134 transitions. [2023-11-29 05:14:29,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:14:29,458 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 5134 transitions. [2023-11-29 05:14:29,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 394.9230769230769) internal successors, (5134), 13 states have internal predecessors, (5134), 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) [2023-11-29 05:14:29,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 456.0) internal successors, (6384), 14 states have internal predecessors, (6384), 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) [2023-11-29 05:14:29,465 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 456.0) internal successors, (6384), 14 states have internal predecessors, (6384), 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) [2023-11-29 05:14:29,465 INFO L175 Difference]: Start difference. First operand has 593 places, 1092 transitions, 22159 flow. Second operand 13 states and 5134 transitions. [2023-11-29 05:14:29,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 605 places, 1244 transitions, 26429 flow [2023-11-29 05:14:41,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 600 places, 1244 transitions, 26299 flow, removed 48 selfloop flow, removed 5 redundant places. [2023-11-29 05:14:41,082 INFO L231 Difference]: Finished difference. Result has 606 places, 1143 transitions, 25074 flow [2023-11-29 05:14:41,083 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=22031, PETRI_DIFFERENCE_MINUEND_PLACES=588, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1092, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=413, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=639, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=25074, PETRI_PLACES=606, PETRI_TRANSITIONS=1143} [2023-11-29 05:14:41,083 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 170 predicate places. [2023-11-29 05:14:41,083 INFO L495 AbstractCegarLoop]: Abstraction has has 606 places, 1143 transitions, 25074 flow [2023-11-29 05:14:41,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:14:41,084 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:14:41,084 INFO L208 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] [2023-11-29 05:14:41,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-29 05:14:41,084 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:14:41,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:14:41,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1940799425, now seen corresponding path program 13 times [2023-11-29 05:14:41,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:14:41,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166968854] [2023-11-29 05:14:41,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:14:41,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:14:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:14:41,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:14:41,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:14:41,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166968854] [2023-11-29 05:14:41,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166968854] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:14:41,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:14:41,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 05:14:41,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328752156] [2023-11-29 05:14:41,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:14:41,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:14:41,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:14:41,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:14:41,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:14:43,958 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 456 [2023-11-29 05:14:43,960 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 606 places, 1143 transitions, 25074 flow. Second operand has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:14:43,961 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:14:43,961 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 456 [2023-11-29 05:14:43,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:15:02,735 INFO L124 PetriNetUnfolderBase]: 14819/51913 cut-off events. [2023-11-29 05:15:02,735 INFO L125 PetriNetUnfolderBase]: For 1368710/1377104 co-relation queries the response was YES. [2023-11-29 05:15:03,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 252166 conditions, 51913 events. 14819/51913 cut-off events. For 1368710/1377104 co-relation queries the response was YES. Maximal size of possible extension queue 796. Compared 611552 event pairs, 1333 based on Foata normal form. 4240/53660 useless extension candidates. Maximal degree in co-relation 251324. Up to 14186 conditions per place. [2023-11-29 05:15:03,787 INFO L140 encePairwiseOnDemand]: 411/456 looper letters, 430 selfloop transitions, 455 changer transitions 0/1237 dead transitions. [2023-11-29 05:15:03,788 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 617 places, 1237 transitions, 28678 flow [2023-11-29 05:15:03,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 05:15:03,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-29 05:15:03,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 4725 transitions. [2023-11-29 05:15:03,791 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8634868421052632 [2023-11-29 05:15:03,792 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 4725 transitions. [2023-11-29 05:15:03,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 4725 transitions. [2023-11-29 05:15:03,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:15:03,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 4725 transitions. [2023-11-29 05:15:03,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 393.75) internal successors, (4725), 12 states have internal predecessors, (4725), 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) [2023-11-29 05:15:03,798 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 456.0) internal successors, (5928), 13 states have internal predecessors, (5928), 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) [2023-11-29 05:15:03,799 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 456.0) internal successors, (5928), 13 states have internal predecessors, (5928), 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) [2023-11-29 05:15:03,799 INFO L175 Difference]: Start difference. First operand has 606 places, 1143 transitions, 25074 flow. Second operand 12 states and 4725 transitions. [2023-11-29 05:15:03,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 617 places, 1237 transitions, 28678 flow [2023-11-29 05:15:18,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 613 places, 1237 transitions, 28509 flow, removed 71 selfloop flow, removed 4 redundant places. [2023-11-29 05:15:18,291 INFO L231 Difference]: Finished difference. Result has 621 places, 1178 transitions, 27994 flow [2023-11-29 05:15:18,292 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=24905, PETRI_DIFFERENCE_MINUEND_PLACES=602, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=420, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=693, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=27994, PETRI_PLACES=621, PETRI_TRANSITIONS=1178} [2023-11-29 05:15:18,292 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 185 predicate places. [2023-11-29 05:15:18,292 INFO L495 AbstractCegarLoop]: Abstraction has has 621 places, 1178 transitions, 27994 flow [2023-11-29 05:15:18,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:15:18,293 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:15:18,293 INFO L208 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] [2023-11-29 05:15:18,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-29 05:15:18,293 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:15:18,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:15:18,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1138943416, now seen corresponding path program 1 times [2023-11-29 05:15:18,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:15:18,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511800046] [2023-11-29 05:15:18,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:15:18,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:15:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:15:18,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:15:18,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:15:18,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511800046] [2023-11-29 05:15:18,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511800046] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:15:18,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:15:18,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 05:15:18,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247840687] [2023-11-29 05:15:18,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:15:18,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:15:18,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:15:18,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:15:18,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:15:20,411 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 456 [2023-11-29 05:15:20,412 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 621 places, 1178 transitions, 27994 flow. Second operand has 12 states, 12 states have (on average 315.5) internal successors, (3786), 12 states have internal predecessors, (3786), 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) [2023-11-29 05:15:20,412 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:15:20,412 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 456 [2023-11-29 05:15:20,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:15:53,643 INFO L124 PetriNetUnfolderBase]: 25084/71832 cut-off events. [2023-11-29 05:15:53,643 INFO L125 PetriNetUnfolderBase]: For 1609124/1613824 co-relation queries the response was YES. [2023-11-29 05:15:55,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 342547 conditions, 71832 events. 25084/71832 cut-off events. For 1609124/1613824 co-relation queries the response was YES. Maximal size of possible extension queue 1043. Compared 832831 event pairs, 6044 based on Foata normal form. 991/69250 useless extension candidates. Maximal degree in co-relation 341468. Up to 23171 conditions per place. [2023-11-29 05:15:55,420 INFO L140 encePairwiseOnDemand]: 443/456 looper letters, 653 selfloop transitions, 253 changer transitions 0/1258 dead transitions. [2023-11-29 05:15:55,420 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 630 places, 1258 transitions, 30818 flow [2023-11-29 05:15:55,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 05:15:55,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-29 05:15:55,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3604 transitions. [2023-11-29 05:15:55,424 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7185007974481659 [2023-11-29 05:15:55,424 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3604 transitions. [2023-11-29 05:15:55,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3604 transitions. [2023-11-29 05:15:55,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:15:55,425 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3604 transitions. [2023-11-29 05:15:55,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 327.6363636363636) internal successors, (3604), 11 states have internal predecessors, (3604), 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) [2023-11-29 05:15:55,433 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 456.0) internal successors, (5472), 12 states have internal predecessors, (5472), 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) [2023-11-29 05:15:55,434 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 456.0) internal successors, (5472), 12 states have internal predecessors, (5472), 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) [2023-11-29 05:15:55,434 INFO L175 Difference]: Start difference. First operand has 621 places, 1178 transitions, 27994 flow. Second operand 11 states and 3604 transitions. [2023-11-29 05:15:55,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 630 places, 1258 transitions, 30818 flow [2023-11-29 05:16:16,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 627 places, 1258 transitions, 30785 flow, removed 14 selfloop flow, removed 3 redundant places. [2023-11-29 05:16:16,086 INFO L231 Difference]: Finished difference. Result has 627 places, 1177 transitions, 28475 flow [2023-11-29 05:16:16,087 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=27969, PETRI_DIFFERENCE_MINUEND_PLACES=617, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=253, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=924, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=28475, PETRI_PLACES=627, PETRI_TRANSITIONS=1177} [2023-11-29 05:16:16,087 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 191 predicate places. [2023-11-29 05:16:16,087 INFO L495 AbstractCegarLoop]: Abstraction has has 627 places, 1177 transitions, 28475 flow [2023-11-29 05:16:16,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 315.5) internal successors, (3786), 12 states have internal predecessors, (3786), 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) [2023-11-29 05:16:16,088 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:16:16,088 INFO L208 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] [2023-11-29 05:16:16,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-29 05:16:16,088 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:16:16,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:16:16,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1060647665, now seen corresponding path program 14 times [2023-11-29 05:16:16,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:16:16,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464092395] [2023-11-29 05:16:16,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:16:16,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:16:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:16:16,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:16:16,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:16:16,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464092395] [2023-11-29 05:16:16,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464092395] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:16:16,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:16:16,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 05:16:16,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915325848] [2023-11-29 05:16:16,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:16:16,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:16:16,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:16:16,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:16:16,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:16:19,549 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 456 [2023-11-29 05:16:19,551 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 627 places, 1177 transitions, 28475 flow. Second operand has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:16:19,552 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:16:19,552 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 456 [2023-11-29 05:16:19,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:16:41,385 INFO L124 PetriNetUnfolderBase]: 15411/53756 cut-off events. [2023-11-29 05:16:41,385 INFO L125 PetriNetUnfolderBase]: For 1679565/1688380 co-relation queries the response was YES. [2023-11-29 05:16:42,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 278501 conditions, 53756 events. 15411/53756 cut-off events. For 1679565/1688380 co-relation queries the response was YES. Maximal size of possible extension queue 831. Compared 638557 event pairs, 1315 based on Foata normal form. 4525/55716 useless extension candidates. Maximal degree in co-relation 277621. Up to 14186 conditions per place. [2023-11-29 05:16:42,439 INFO L140 encePairwiseOnDemand]: 411/456 looper letters, 473 selfloop transitions, 471 changer transitions 0/1295 dead transitions. [2023-11-29 05:16:42,439 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 639 places, 1295 transitions, 32687 flow [2023-11-29 05:16:42,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 05:16:42,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-29 05:16:42,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 5121 transitions. [2023-11-29 05:16:42,443 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8638663967611336 [2023-11-29 05:16:42,443 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 5121 transitions. [2023-11-29 05:16:42,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 5121 transitions. [2023-11-29 05:16:42,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:16:42,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 5121 transitions. [2023-11-29 05:16:42,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 393.9230769230769) internal successors, (5121), 13 states have internal predecessors, (5121), 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) [2023-11-29 05:16:42,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 456.0) internal successors, (6384), 14 states have internal predecessors, (6384), 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) [2023-11-29 05:16:42,450 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 456.0) internal successors, (6384), 14 states have internal predecessors, (6384), 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) [2023-11-29 05:16:42,450 INFO L175 Difference]: Start difference. First operand has 627 places, 1177 transitions, 28475 flow. Second operand 13 states and 5121 transitions. [2023-11-29 05:16:42,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 639 places, 1295 transitions, 32687 flow [2023-11-29 05:17:00,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 630 places, 1295 transitions, 32163 flow, removed 0 selfloop flow, removed 9 redundant places. [2023-11-29 05:17:00,038 INFO L231 Difference]: Finished difference. Result has 637 places, 1217 transitions, 31452 flow [2023-11-29 05:17:00,039 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=28023, PETRI_DIFFERENCE_MINUEND_PLACES=618, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=432, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=712, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=31452, PETRI_PLACES=637, PETRI_TRANSITIONS=1217} [2023-11-29 05:17:00,039 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 201 predicate places. [2023-11-29 05:17:00,039 INFO L495 AbstractCegarLoop]: Abstraction has has 637 places, 1217 transitions, 31452 flow [2023-11-29 05:17:00,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:17:00,040 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:17:00,040 INFO L208 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] [2023-11-29 05:17:00,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-29 05:17:00,040 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:17:00,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:17:00,041 INFO L85 PathProgramCache]: Analyzing trace with hash 567060673, now seen corresponding path program 15 times [2023-11-29 05:17:00,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:17:00,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072050925] [2023-11-29 05:17:00,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:17:00,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:17:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:17:00,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:17:00,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:17:00,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072050925] [2023-11-29 05:17:00,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072050925] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:17:00,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:17:00,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 05:17:00,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353377069] [2023-11-29 05:17:00,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:17:00,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:17:00,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:17:00,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:17:00,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:17:03,431 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 456 [2023-11-29 05:17:03,433 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 637 places, 1217 transitions, 31452 flow. Second operand has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:17:03,433 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:17:03,433 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 456 [2023-11-29 05:17:03,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:17:27,378 INFO L124 PetriNetUnfolderBase]: 15430/53958 cut-off events. [2023-11-29 05:17:27,378 INFO L125 PetriNetUnfolderBase]: For 1816282/1825936 co-relation queries the response was YES. [2023-11-29 05:17:28,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 287644 conditions, 53958 events. 15430/53958 cut-off events. For 1816282/1825936 co-relation queries the response was YES. Maximal size of possible extension queue 843. Compared 642467 event pairs, 1235 based on Foata normal form. 4546/55948 useless extension candidates. Maximal degree in co-relation 286763. Up to 13042 conditions per place. [2023-11-29 05:17:28,773 INFO L140 encePairwiseOnDemand]: 411/456 looper letters, 528 selfloop transitions, 486 changer transitions 0/1365 dead transitions. [2023-11-29 05:17:28,773 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 649 places, 1365 transitions, 36260 flow [2023-11-29 05:17:28,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 05:17:28,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-29 05:17:28,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 5123 transitions. [2023-11-29 05:17:28,779 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8642037786774629 [2023-11-29 05:17:28,779 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 5123 transitions. [2023-11-29 05:17:28,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 5123 transitions. [2023-11-29 05:17:28,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:17:28,781 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 5123 transitions. [2023-11-29 05:17:28,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 394.0769230769231) internal successors, (5123), 13 states have internal predecessors, (5123), 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) [2023-11-29 05:17:28,796 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 456.0) internal successors, (6384), 14 states have internal predecessors, (6384), 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) [2023-11-29 05:17:28,797 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 456.0) internal successors, (6384), 14 states have internal predecessors, (6384), 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) [2023-11-29 05:17:28,798 INFO L175 Difference]: Start difference. First operand has 637 places, 1217 transitions, 31452 flow. Second operand 13 states and 5123 transitions. [2023-11-29 05:17:28,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 649 places, 1365 transitions, 36260 flow [2023-11-29 05:17:46,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 645 places, 1365 transitions, 36103 flow, removed 62 selfloop flow, removed 4 redundant places. [2023-11-29 05:17:46,590 INFO L231 Difference]: Finished difference. Result has 652 places, 1265 transitions, 34767 flow [2023-11-29 05:17:46,591 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=31301, PETRI_DIFFERENCE_MINUEND_PLACES=633, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=440, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=737, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=34767, PETRI_PLACES=652, PETRI_TRANSITIONS=1265} [2023-11-29 05:17:46,591 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 216 predicate places. [2023-11-29 05:17:46,591 INFO L495 AbstractCegarLoop]: Abstraction has has 652 places, 1265 transitions, 34767 flow [2023-11-29 05:17:46,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 378.3333333333333) internal successors, (4540), 12 states have internal predecessors, (4540), 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) [2023-11-29 05:17:46,592 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:17:46,592 INFO L208 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] [2023-11-29 05:17:46,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-29 05:17:46,592 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting t1Err4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:17:46,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:17:46,593 INFO L85 PathProgramCache]: Analyzing trace with hash 436992456, now seen corresponding path program 1 times [2023-11-29 05:17:46,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:17:46,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409476466] [2023-11-29 05:17:46,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:17:46,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:17:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:17:46,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:17:46,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:17:46,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409476466] [2023-11-29 05:17:46,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409476466] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:17:46,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:17:46,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:17:46,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253819600] [2023-11-29 05:17:46,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:17:46,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:17:46,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:17:46,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:17:46,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:17:47,443 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 456 [2023-11-29 05:17:47,444 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 652 places, 1265 transitions, 34767 flow. Second operand has 6 states, 6 states have (on average 349.5) internal successors, (2097), 6 states have internal predecessors, (2097), 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) [2023-11-29 05:17:47,444 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:17:47,444 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 456 [2023-11-29 05:17:47,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:18:17,210 INFO L124 PetriNetUnfolderBase]: 20109/67635 cut-off events. [2023-11-29 05:18:17,210 INFO L125 PetriNetUnfolderBase]: For 2195905/2201623 co-relation queries the response was YES. [2023-11-29 05:18:18,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 359760 conditions, 67635 events. 20109/67635 cut-off events. For 2195905/2201623 co-relation queries the response was YES. Maximal size of possible extension queue 805. Compared 818649 event pairs, 9708 based on Foata normal form. 1432/65653 useless extension candidates. Maximal degree in co-relation 358881. Up to 28459 conditions per place. [2023-11-29 05:18:18,744 INFO L140 encePairwiseOnDemand]: 445/456 looper letters, 643 selfloop transitions, 165 changer transitions 0/1407 dead transitions. [2023-11-29 05:18:18,744 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 657 places, 1407 transitions, 39516 flow [2023-11-29 05:18:18,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:18:18,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 05:18:18,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2195 transitions. [2023-11-29 05:18:18,746 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8022660818713451 [2023-11-29 05:18:18,746 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2195 transitions. [2023-11-29 05:18:18,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2195 transitions. [2023-11-29 05:18:18,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:18:18,746 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2195 transitions. [2023-11-29 05:18:18,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 365.8333333333333) internal successors, (2195), 6 states have internal predecessors, (2195), 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) [2023-11-29 05:18:18,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 456.0) internal successors, (3192), 7 states have internal predecessors, (3192), 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) [2023-11-29 05:18:18,749 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 456.0) internal successors, (3192), 7 states have internal predecessors, (3192), 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) [2023-11-29 05:18:18,749 INFO L175 Difference]: Start difference. First operand has 652 places, 1265 transitions, 34767 flow. Second operand 6 states and 2195 transitions. [2023-11-29 05:18:18,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 657 places, 1407 transitions, 39516 flow [2023-11-29 05:18:44,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 653 places, 1407 transitions, 39204 flow, removed 137 selfloop flow, removed 4 redundant places. [2023-11-29 05:18:44,087 INFO L231 Difference]: Finished difference. Result has 658 places, 1395 transitions, 38340 flow [2023-11-29 05:18:44,088 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=34580, PETRI_DIFFERENCE_MINUEND_PLACES=648, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=38340, PETRI_PLACES=658, PETRI_TRANSITIONS=1395} [2023-11-29 05:18:44,088 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 222 predicate places. [2023-11-29 05:18:44,088 INFO L495 AbstractCegarLoop]: Abstraction has has 658 places, 1395 transitions, 38340 flow [2023-11-29 05:18:44,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 349.5) internal successors, (2097), 6 states have internal predecessors, (2097), 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) [2023-11-29 05:18:44,089 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:18:44,089 INFO L208 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] [2023-11-29 05:18:44,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-29 05:18:44,089 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting t1Err4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:18:44,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:18:44,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1793999826, now seen corresponding path program 1 times [2023-11-29 05:18:44,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:18:44,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351847022] [2023-11-29 05:18:44,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:18:44,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:18:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:18:44,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:18:44,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:18:44,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351847022] [2023-11-29 05:18:44,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351847022] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:18:44,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:18:44,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 05:18:44,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576906509] [2023-11-29 05:18:44,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:18:44,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:18:44,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:18:44,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:18:44,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:18:46,330 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 456 [2023-11-29 05:18:46,333 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 658 places, 1395 transitions, 38340 flow. Second operand has 12 states, 12 states have (on average 336.8333333333333) internal successors, (4042), 12 states have internal predecessors, (4042), 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) [2023-11-29 05:18:46,333 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:18:46,333 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 456 [2023-11-29 05:18:46,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:19:17,203 INFO L124 PetriNetUnfolderBase]: 20172/67556 cut-off events. [2023-11-29 05:19:17,203 INFO L125 PetriNetUnfolderBase]: For 2210819/2216934 co-relation queries the response was YES. [2023-11-29 05:19:18,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 367990 conditions, 67556 events. 20172/67556 cut-off events. For 2210819/2216934 co-relation queries the response was YES. Maximal size of possible extension queue 801. Compared 816796 event pairs, 5131 based on Foata normal form. 1645/66019 useless extension candidates. Maximal degree in co-relation 367063. Up to 13565 conditions per place. [2023-11-29 05:19:18,969 INFO L140 encePairwiseOnDemand]: 443/456 looper letters, 691 selfloop transitions, 253 changer transitions 0/1477 dead transitions. [2023-11-29 05:19:18,969 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 667 places, 1477 transitions, 41460 flow [2023-11-29 05:19:18,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 05:19:18,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-29 05:19:18,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3814 transitions. [2023-11-29 05:19:18,973 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7603668261562998 [2023-11-29 05:19:18,973 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3814 transitions. [2023-11-29 05:19:18,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3814 transitions. [2023-11-29 05:19:18,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:19:18,974 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3814 transitions. [2023-11-29 05:19:18,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 346.72727272727275) internal successors, (3814), 11 states have internal predecessors, (3814), 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) [2023-11-29 05:19:18,981 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 456.0) internal successors, (5472), 12 states have internal predecessors, (5472), 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) [2023-11-29 05:19:18,982 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 456.0) internal successors, (5472), 12 states have internal predecessors, (5472), 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) [2023-11-29 05:19:18,982 INFO L175 Difference]: Start difference. First operand has 658 places, 1395 transitions, 38340 flow. Second operand 11 states and 3814 transitions. [2023-11-29 05:19:18,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 667 places, 1477 transitions, 41460 flow [2023-11-29 05:19:44,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 667 places, 1477 transitions, 41094 flow, removed 183 selfloop flow, removed 0 redundant places. [2023-11-29 05:19:44,259 INFO L231 Difference]: Finished difference. Result has 667 places, 1394 transitions, 38476 flow [2023-11-29 05:19:44,260 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=37970, PETRI_DIFFERENCE_MINUEND_PLACES=657, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=253, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=38476, PETRI_PLACES=667, PETRI_TRANSITIONS=1394} [2023-11-29 05:19:44,261 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 231 predicate places. [2023-11-29 05:19:44,261 INFO L495 AbstractCegarLoop]: Abstraction has has 667 places, 1394 transitions, 38476 flow [2023-11-29 05:19:44,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 336.8333333333333) internal successors, (4042), 12 states have internal predecessors, (4042), 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) [2023-11-29 05:19:44,261 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:19:44,262 INFO L208 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] [2023-11-29 05:19:44,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-11-29 05:19:44,262 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting t1Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:19:44,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:19:44,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1947881399, now seen corresponding path program 1 times [2023-11-29 05:19:44,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:19:44,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515511963] [2023-11-29 05:19:44,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:19:44,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:19:44,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:19:44,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:19:44,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:19:44,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515511963] [2023-11-29 05:19:44,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515511963] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:19:44,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:19:44,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:19:44,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418448429] [2023-11-29 05:19:44,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:19:44,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:19:44,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:19:44,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:19:44,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:19:45,127 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 456 [2023-11-29 05:19:45,128 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 667 places, 1394 transitions, 38476 flow. Second operand has 6 states, 6 states have (on average 335.3333333333333) internal successors, (2012), 6 states have internal predecessors, (2012), 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) [2023-11-29 05:19:45,128 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:19:45,128 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 456 [2023-11-29 05:19:45,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:20:23,682 INFO L124 PetriNetUnfolderBase]: 27018/76681 cut-off events. [2023-11-29 05:20:23,682 INFO L125 PetriNetUnfolderBase]: For 2506865/2510636 co-relation queries the response was YES. [2023-11-29 05:20:25,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 435393 conditions, 76681 events. 27018/76681 cut-off events. For 2506865/2510636 co-relation queries the response was YES. Maximal size of possible extension queue 1432. Compared 895830 event pairs, 14130 based on Foata normal form. 1057/74928 useless extension candidates. Maximal degree in co-relation 434320. Up to 40438 conditions per place. [2023-11-29 05:20:25,667 INFO L140 encePairwiseOnDemand]: 445/456 looper letters, 829 selfloop transitions, 165 changer transitions 0/1536 dead transitions. [2023-11-29 05:20:25,667 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 672 places, 1536 transitions, 43662 flow [2023-11-29 05:20:25,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:20:25,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 05:20:25,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2120 transitions. [2023-11-29 05:20:25,669 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7748538011695907 [2023-11-29 05:20:25,669 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2120 transitions. [2023-11-29 05:20:25,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2120 transitions. [2023-11-29 05:20:25,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:20:25,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2120 transitions. [2023-11-29 05:20:25,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 353.3333333333333) internal successors, (2120), 6 states have internal predecessors, (2120), 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) [2023-11-29 05:20:25,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 456.0) internal successors, (3192), 7 states have internal predecessors, (3192), 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) [2023-11-29 05:20:25,672 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 456.0) internal successors, (3192), 7 states have internal predecessors, (3192), 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) [2023-11-29 05:20:25,672 INFO L175 Difference]: Start difference. First operand has 667 places, 1394 transitions, 38476 flow. Second operand 6 states and 2120 transitions. [2023-11-29 05:20:25,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 672 places, 1536 transitions, 43662 flow [2023-11-29 05:21:00,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 664 places, 1536 transitions, 43269 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-11-29 05:21:00,419 INFO L231 Difference]: Finished difference. Result has 669 places, 1524 transitions, 42033 flow [2023-11-29 05:21:00,420 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=456, PETRI_DIFFERENCE_MINUEND_FLOW=38083, PETRI_DIFFERENCE_MINUEND_PLACES=659, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=42033, PETRI_PLACES=669, PETRI_TRANSITIONS=1524} [2023-11-29 05:21:00,421 INFO L281 CegarLoopForPetriNet]: 436 programPoint places, 233 predicate places. [2023-11-29 05:21:00,421 INFO L495 AbstractCegarLoop]: Abstraction has has 669 places, 1524 transitions, 42033 flow [2023-11-29 05:21:00,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 335.3333333333333) internal successors, (2012), 6 states have internal predecessors, (2012), 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) [2023-11-29 05:21:00,421 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:21:00,422 INFO L208 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] [2023-11-29 05:21:00,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-29 05:21:00,422 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting t1Err8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 05:21:00,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:21:00,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1045509099, now seen corresponding path program 1 times [2023-11-29 05:21:00,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:21:00,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889252017] [2023-11-29 05:21:00,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:00,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:21:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:21:00,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:21:00,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:21:00,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889252017] [2023-11-29 05:21:00,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889252017] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:21:00,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:21:00,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:21:00,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146934647] [2023-11-29 05:21:00,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:21:00,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:21:00,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:21:00,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:21:00,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:21:01,445 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 456 [2023-11-29 05:21:01,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 669 places, 1524 transitions, 42033 flow. Second operand has 6 states, 6 states have (on average 336.1666666666667) internal successors, (2017), 6 states have internal predecessors, (2017), 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) [2023-11-29 05:21:01,446 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:21:01,446 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 456 [2023-11-29 05:21:01,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand