./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f25547d-174e-429e-8495-495d4c143ba7/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f25547d-174e-429e-8495-495d4c143ba7/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f25547d-174e-429e-8495-495d4c143ba7/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f25547d-174e-429e-8495-495d4c143ba7/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f25547d-174e-429e-8495-495d4c143ba7/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f25547d-174e-429e-8495-495d4c143ba7/bin/uautomizer-verify-84ZbGMXZE1 --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 a7843ed292ba7ad810f8623eae57d1bf23212a957c35d700b564dc03a7df5581 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:37:57,599 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:37:57,652 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f25547d-174e-429e-8495-495d4c143ba7/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-12-02 06:37:57,656 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:37:57,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:37:57,675 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:37:57,676 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:37:57,676 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:37:57,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:37:57,676 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:37:57,677 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:37:57,677 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:37:57,677 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:37:57,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:37:57,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:37:57,677 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:37:57,677 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:37:57,677 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:37:57,678 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:37:57,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:37:57,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:37:57,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:37:57,678 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-12-02 06:37:57,678 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 06:37:57,678 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:37:57,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:37:57,678 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:37:57,678 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:37:57,679 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:37:57,679 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:37:57,679 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:37:57,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:37:57,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:37:57,679 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:37:57,679 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:37:57,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:37:57,679 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:37:57,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:37:57,680 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:37:57,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:37:57,680 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:37:57,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:37:57,680 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:37:57,680 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:37:57,680 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:37:57,680 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:37:57,680 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f25547d-174e-429e-8495-495d4c143ba7/bin/uautomizer-verify-84ZbGMXZE1 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 -> a7843ed292ba7ad810f8623eae57d1bf23212a957c35d700b564dc03a7df5581 [2024-12-02 06:37:57,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:37:57,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:37:57,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:37:57,905 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:37:57,906 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:37:57,907 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f25547d-174e-429e-8495-495d4c143ba7/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i [2024-12-02 06:38:00,495 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f25547d-174e-429e-8495-495d4c143ba7/bin/uautomizer-verify-84ZbGMXZE1/data/f4800dfec/23dba2edfda944c1b40b2204edfda722/FLAGb279f4241 [2024-12-02 06:38:00,793 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:38:00,793 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f25547d-174e-429e-8495-495d4c143ba7/sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i [2024-12-02 06:38:00,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f25547d-174e-429e-8495-495d4c143ba7/bin/uautomizer-verify-84ZbGMXZE1/data/f4800dfec/23dba2edfda944c1b40b2204edfda722/FLAGb279f4241 [2024-12-02 06:38:01,092 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f25547d-174e-429e-8495-495d4c143ba7/bin/uautomizer-verify-84ZbGMXZE1/data/f4800dfec/23dba2edfda944c1b40b2204edfda722 [2024-12-02 06:38:01,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:38:01,096 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:38:01,097 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:38:01,097 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:38:01,100 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:38:01,100 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:38:01" (1/1) ... [2024-12-02 06:38:01,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60778a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:01, skipping insertion in model container [2024-12-02 06:38:01,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:38:01" (1/1) ... [2024-12-02 06:38:01,145 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:38:01,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:38:01,410 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:38:01,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:38:01,479 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:38:01,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:01 WrapperNode [2024-12-02 06:38:01,479 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:38:01,480 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:38:01,480 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:38:01,480 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:38:01,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:01" (1/1) ... [2024-12-02 06:38:01,493 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:01" (1/1) ... [2024-12-02 06:38:01,511 INFO L138 Inliner]: procedures = 186, calls = 12, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 94 [2024-12-02 06:38:01,512 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:38:01,512 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:38:01,512 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:38:01,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:38:01,517 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:01" (1/1) ... [2024-12-02 06:38:01,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:01" (1/1) ... [2024-12-02 06:38:01,520 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:01" (1/1) ... [2024-12-02 06:38:01,520 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:01" (1/1) ... [2024-12-02 06:38:01,526 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:01" (1/1) ... [2024-12-02 06:38:01,527 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:01" (1/1) ... [2024-12-02 06:38:01,528 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:01" (1/1) ... [2024-12-02 06:38:01,529 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:01" (1/1) ... [2024-12-02 06:38:01,529 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:01" (1/1) ... [2024-12-02 06:38:01,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:38:01,531 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:38:01,532 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:38:01,532 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:38:01,532 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:01" (1/1) ... [2024-12-02 06:38:01,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:38:01,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f25547d-174e-429e-8495-495d4c143ba7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:38:01,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f25547d-174e-429e-8495-495d4c143ba7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:38:01,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f25547d-174e-429e-8495-495d4c143ba7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:38:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-02 06:38:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-02 06:38:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-12-02 06:38:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 06:38:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-12-02 06:38:01,581 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-12-02 06:38:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-12-02 06:38:01,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:38:01,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:38:01,583 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-02 06:38:01,674 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:38:01,675 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:38:01,870 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 06:38:01,870 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:38:01,891 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:38:01,892 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 06:38:01,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:38:01 BoogieIcfgContainer [2024-12-02 06:38:01,892 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:38:01,894 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:38:01,894 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:38:01,898 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:38:01,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:38:01" (1/3) ... [2024-12-02 06:38:01,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10730676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:38:01, skipping insertion in model container [2024-12-02 06:38:01,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:38:01" (2/3) ... [2024-12-02 06:38:01,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10730676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:38:01, skipping insertion in model container [2024-12-02 06:38:01,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:38:01" (3/3) ... [2024-12-02 06:38:01,900 INFO L128 eAbstractionObserver]: Analyzing ICFG 06-symbeq_15-list_entry_nr.i [2024-12-02 06:38:01,911 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:38:01,912 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 06-symbeq_15-list_entry_nr.i that has 2 procedures, 112 locations, 1 initial locations, 0 loop locations, and 9 error locations. [2024-12-02 06:38:01,912 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 06:38:01,969 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-12-02 06:38:02,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 115 places, 111 transitions, 226 flow [2024-12-02 06:38:02,043 INFO L124 PetriNetUnfolderBase]: 0/110 cut-off events. [2024-12-02 06:38:02,046 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 06:38:02,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 110 events. 0/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 88 event pairs, 0 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-12-02 06:38:02,049 INFO L82 GeneralOperation]: Start removeDead. Operand has 115 places, 111 transitions, 226 flow [2024-12-02 06:38:02,052 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 114 places, 110 transitions, 223 flow [2024-12-02 06:38:02,058 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:38:02,068 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@637ee80d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:38:02,068 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2024-12-02 06:38:02,072 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 06:38:02,072 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2024-12-02 06:38:02,072 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 06:38:02,072 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:02,073 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:02,073 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:02,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:02,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1145957465, now seen corresponding path program 1 times [2024-12-02 06:38:02,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:02,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534780033] [2024-12-02 06:38:02,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:38:02,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:38:02,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:02,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:02,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534780033] [2024-12-02 06:38:02,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534780033] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:02,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:02,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 06:38:02,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610638606] [2024-12-02 06:38:02,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:02,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:38:02,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:02,245 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:38:02,245 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:38:02,273 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 111 [2024-12-02 06:38:02,276 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 110 transitions, 223 flow. Second operand has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:02,276 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:02,276 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 111 [2024-12-02 06:38:02,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:02,360 INFO L124 PetriNetUnfolderBase]: 12/257 cut-off events. [2024-12-02 06:38:02,360 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-12-02 06:38:02,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 257 events. 12/257 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 709 event pairs, 12 based on Foata normal form. 0/232 useless extension candidates. Maximal degree in co-relation 252. Up to 37 conditions per place. [2024-12-02 06:38:02,365 INFO L140 encePairwiseOnDemand]: 108/111 looper letters, 12 selfloop transitions, 2 changer transitions 0/109 dead transitions. [2024-12-02 06:38:02,365 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 109 transitions, 249 flow [2024-12-02 06:38:02,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:38:02,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 06:38:02,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 303 transitions. [2024-12-02 06:38:02,379 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9099099099099099 [2024-12-02 06:38:02,381 INFO L175 Difference]: Start difference. First operand has 114 places, 110 transitions, 223 flow. Second operand 3 states and 303 transitions. [2024-12-02 06:38:02,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 109 transitions, 249 flow [2024-12-02 06:38:02,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 109 transitions, 248 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 06:38:02,389 INFO L231 Difference]: Finished difference. Result has 114 places, 109 transitions, 224 flow [2024-12-02 06:38:02,392 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=224, PETRI_PLACES=114, PETRI_TRANSITIONS=109} [2024-12-02 06:38:02,396 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 0 predicate places. [2024-12-02 06:38:02,396 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 109 transitions, 224 flow [2024-12-02 06:38:02,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:02,396 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:02,396 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:02,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 06:38:02,397 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:02,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:02,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1477363984, now seen corresponding path program 1 times [2024-12-02 06:38:02,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:02,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128084570] [2024-12-02 06:38:02,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:38:02,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:38:02,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:02,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:02,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128084570] [2024-12-02 06:38:02,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128084570] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:02,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:02,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 06:38:02,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150769907] [2024-12-02 06:38:02,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:02,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:38:02,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:02,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:38:02,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:38:02,464 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 111 [2024-12-02 06:38:02,465 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 109 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:02,465 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:02,465 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 111 [2024-12-02 06:38:02,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:02,532 INFO L124 PetriNetUnfolderBase]: 16/291 cut-off events. [2024-12-02 06:38:02,532 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-12-02 06:38:02,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 342 conditions, 291 events. 16/291 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1012 event pairs, 16 based on Foata normal form. 0/272 useless extension candidates. Maximal degree in co-relation 323. Up to 43 conditions per place. [2024-12-02 06:38:02,534 INFO L140 encePairwiseOnDemand]: 107/111 looper letters, 11 selfloop transitions, 1 changer transitions 0/106 dead transitions. [2024-12-02 06:38:02,534 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 106 transitions, 242 flow [2024-12-02 06:38:02,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:38:02,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 06:38:02,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 303 transitions. [2024-12-02 06:38:02,537 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9099099099099099 [2024-12-02 06:38:02,537 INFO L175 Difference]: Start difference. First operand has 114 places, 109 transitions, 224 flow. Second operand 3 states and 303 transitions. [2024-12-02 06:38:02,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 106 transitions, 242 flow [2024-12-02 06:38:02,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 106 transitions, 238 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 06:38:02,540 INFO L231 Difference]: Finished difference. Result has 111 places, 106 transitions, 216 flow [2024-12-02 06:38:02,540 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=111, PETRI_TRANSITIONS=106} [2024-12-02 06:38:02,541 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, -3 predicate places. [2024-12-02 06:38:02,541 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 106 transitions, 216 flow [2024-12-02 06:38:02,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:02,541 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:02,541 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:02,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:38:02,542 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:02,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:02,542 INFO L85 PathProgramCache]: Analyzing trace with hash 227862726, now seen corresponding path program 1 times [2024-12-02 06:38:02,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:02,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350118145] [2024-12-02 06:38:02,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:38:02,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:38:02,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:02,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:02,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350118145] [2024-12-02 06:38:02,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350118145] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:02,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:02,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:38:02,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50837174] [2024-12-02 06:38:02,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:02,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:38:02,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:02,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:38:02,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:38:03,128 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 111 [2024-12-02 06:38:03,129 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 106 transitions, 216 flow. Second operand has 6 states, 6 states have (on average 80.33333333333333) internal successors, (482), 6 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:03,129 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:03,129 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 111 [2024-12-02 06:38:03,129 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:03,238 INFO L124 PetriNetUnfolderBase]: 100/544 cut-off events. [2024-12-02 06:38:03,238 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 06:38:03,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 781 conditions, 544 events. 100/544 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2874 event pairs, 100 based on Foata normal form. 0/505 useless extension candidates. Maximal degree in co-relation 763. Up to 227 conditions per place. [2024-12-02 06:38:03,242 INFO L140 encePairwiseOnDemand]: 105/111 looper letters, 26 selfloop transitions, 5 changer transitions 0/105 dead transitions. [2024-12-02 06:38:03,242 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 105 transitions, 276 flow [2024-12-02 06:38:03,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:38:03,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-12-02 06:38:03,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 506 transitions. [2024-12-02 06:38:03,245 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7597597597597597 [2024-12-02 06:38:03,245 INFO L175 Difference]: Start difference. First operand has 111 places, 106 transitions, 216 flow. Second operand 6 states and 506 transitions. [2024-12-02 06:38:03,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 105 transitions, 276 flow [2024-12-02 06:38:03,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 105 transitions, 275 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 06:38:03,248 INFO L231 Difference]: Finished difference. Result has 114 places, 105 transitions, 223 flow [2024-12-02 06:38:03,248 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=223, PETRI_PLACES=114, PETRI_TRANSITIONS=105} [2024-12-02 06:38:03,249 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 0 predicate places. [2024-12-02 06:38:03,249 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 105 transitions, 223 flow [2024-12-02 06:38:03,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 80.33333333333333) internal successors, (482), 6 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:03,250 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:03,250 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:03,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 06:38:03,250 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:03,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:03,251 INFO L85 PathProgramCache]: Analyzing trace with hash 452530334, now seen corresponding path program 1 times [2024-12-02 06:38:03,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:03,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200540497] [2024-12-02 06:38:03,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:38:03,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:38:03,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:03,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:03,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200540497] [2024-12-02 06:38:03,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200540497] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:03,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:03,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:38:03,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273842087] [2024-12-02 06:38:03,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:03,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:38:03,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:03,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:38:03,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:38:03,787 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 111 [2024-12-02 06:38:03,788 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 105 transitions, 223 flow. Second operand has 6 states, 6 states have (on average 86.16666666666667) internal successors, (517), 6 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:03,788 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:03,788 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 111 [2024-12-02 06:38:03,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:03,924 INFO L124 PetriNetUnfolderBase]: 114/573 cut-off events. [2024-12-02 06:38:03,924 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-12-02 06:38:03,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 844 conditions, 573 events. 114/573 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3160 event pairs, 61 based on Foata normal form. 0/541 useless extension candidates. Maximal degree in co-relation 826. Up to 211 conditions per place. [2024-12-02 06:38:03,927 INFO L140 encePairwiseOnDemand]: 100/111 looper letters, 34 selfloop transitions, 22 changer transitions 0/134 dead transitions. [2024-12-02 06:38:03,928 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 134 transitions, 393 flow [2024-12-02 06:38:03,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:38:03,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-12-02 06:38:03,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 561 transitions. [2024-12-02 06:38:03,930 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8423423423423423 [2024-12-02 06:38:03,930 INFO L175 Difference]: Start difference. First operand has 114 places, 105 transitions, 223 flow. Second operand 6 states and 561 transitions. [2024-12-02 06:38:03,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 134 transitions, 393 flow [2024-12-02 06:38:03,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 134 transitions, 383 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-12-02 06:38:03,934 INFO L231 Difference]: Finished difference. Result has 119 places, 126 transitions, 363 flow [2024-12-02 06:38:03,935 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=363, PETRI_PLACES=119, PETRI_TRANSITIONS=126} [2024-12-02 06:38:03,935 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 5 predicate places. [2024-12-02 06:38:03,935 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 126 transitions, 363 flow [2024-12-02 06:38:03,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 86.16666666666667) internal successors, (517), 6 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:03,936 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:03,936 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:03,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 06:38:03,936 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:03,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:03,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1521815766, now seen corresponding path program 1 times [2024-12-02 06:38:03,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:03,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562056450] [2024-12-02 06:38:03,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:38:03,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:38:04,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:04,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:04,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562056450] [2024-12-02 06:38:04,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562056450] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:04,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:04,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:38:04,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623056404] [2024-12-02 06:38:04,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:04,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:38:04,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:04,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:38:04,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:38:04,478 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 111 [2024-12-02 06:38:04,479 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 126 transitions, 363 flow. Second operand has 6 states, 6 states have (on average 86.16666666666667) internal successors, (517), 6 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:04,479 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:04,479 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 111 [2024-12-02 06:38:04,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:04,681 INFO L124 PetriNetUnfolderBase]: 152/680 cut-off events. [2024-12-02 06:38:04,681 INFO L125 PetriNetUnfolderBase]: For 133/153 co-relation queries the response was YES. [2024-12-02 06:38:04,683 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1203 conditions, 680 events. 152/680 cut-off events. For 133/153 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 4006 event pairs, 61 based on Foata normal form. 5/655 useless extension candidates. Maximal degree in co-relation 1181. Up to 268 conditions per place. [2024-12-02 06:38:04,686 INFO L140 encePairwiseOnDemand]: 100/111 looper letters, 47 selfloop transitions, 26 changer transitions 0/155 dead transitions. [2024-12-02 06:38:04,686 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 155 transitions, 585 flow [2024-12-02 06:38:04,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:38:04,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-12-02 06:38:04,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 561 transitions. [2024-12-02 06:38:04,689 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8423423423423423 [2024-12-02 06:38:04,689 INFO L175 Difference]: Start difference. First operand has 119 places, 126 transitions, 363 flow. Second operand 6 states and 561 transitions. [2024-12-02 06:38:04,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 155 transitions, 585 flow [2024-12-02 06:38:04,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 155 transitions, 585 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-12-02 06:38:04,695 INFO L231 Difference]: Finished difference. Result has 129 places, 147 transitions, 547 flow [2024-12-02 06:38:04,695 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=547, PETRI_PLACES=129, PETRI_TRANSITIONS=147} [2024-12-02 06:38:04,696 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 15 predicate places. [2024-12-02 06:38:04,696 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 147 transitions, 547 flow [2024-12-02 06:38:04,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 86.16666666666667) internal successors, (517), 6 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:04,696 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:04,696 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:04,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 06:38:04,697 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:04,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:04,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1875655331, now seen corresponding path program 1 times [2024-12-02 06:38:04,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:04,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611245330] [2024-12-02 06:38:04,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:38:04,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:38:05,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:05,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:05,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611245330] [2024-12-02 06:38:05,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611245330] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:05,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:05,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:38:05,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724375895] [2024-12-02 06:38:05,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:05,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:38:05,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:05,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:38:05,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:38:05,184 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 111 [2024-12-02 06:38:05,185 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 147 transitions, 547 flow. Second operand has 6 states, 6 states have (on average 81.16666666666667) internal successors, (487), 6 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:05,185 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:05,185 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 111 [2024-12-02 06:38:05,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:05,419 INFO L124 PetriNetUnfolderBase]: 292/1078 cut-off events. [2024-12-02 06:38:05,419 INFO L125 PetriNetUnfolderBase]: For 577/599 co-relation queries the response was YES. [2024-12-02 06:38:05,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2445 conditions, 1078 events. 292/1078 cut-off events. For 577/599 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 6912 event pairs, 101 based on Foata normal form. 9/1039 useless extension candidates. Maximal degree in co-relation 2418. Up to 532 conditions per place. [2024-12-02 06:38:05,424 INFO L140 encePairwiseOnDemand]: 96/111 looper letters, 72 selfloop transitions, 53 changer transitions 4/202 dead transitions. [2024-12-02 06:38:05,424 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 202 transitions, 1049 flow [2024-12-02 06:38:05,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:38:05,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-12-02 06:38:05,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 547 transitions. [2024-12-02 06:38:05,426 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8213213213213213 [2024-12-02 06:38:05,426 INFO L175 Difference]: Start difference. First operand has 129 places, 147 transitions, 547 flow. Second operand 6 states and 547 transitions. [2024-12-02 06:38:05,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 202 transitions, 1049 flow [2024-12-02 06:38:05,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 202 transitions, 1049 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-12-02 06:38:05,434 INFO L231 Difference]: Finished difference. Result has 139 places, 194 transitions, 1029 flow [2024-12-02 06:38:05,434 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=547, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1029, PETRI_PLACES=139, PETRI_TRANSITIONS=194} [2024-12-02 06:38:05,435 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 25 predicate places. [2024-12-02 06:38:05,435 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 194 transitions, 1029 flow [2024-12-02 06:38:05,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 81.16666666666667) internal successors, (487), 6 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:05,436 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:05,436 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:05,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 06:38:05,436 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:05,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:05,437 INFO L85 PathProgramCache]: Analyzing trace with hash 134748965, now seen corresponding path program 1 times [2024-12-02 06:38:05,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:05,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822573226] [2024-12-02 06:38:05,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:38:05,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:38:05,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:05,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:05,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822573226] [2024-12-02 06:38:05,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822573226] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:05,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:05,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:38:05,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535174795] [2024-12-02 06:38:05,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:05,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:38:05,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:05,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:38:05,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:38:05,841 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 111 [2024-12-02 06:38:05,841 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 194 transitions, 1029 flow. Second operand has 6 states, 6 states have (on average 81.16666666666667) internal successors, (487), 6 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:05,841 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:05,841 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 111 [2024-12-02 06:38:05,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:06,130 INFO L124 PetriNetUnfolderBase]: 396/1383 cut-off events. [2024-12-02 06:38:06,130 INFO L125 PetriNetUnfolderBase]: For 1620/1661 co-relation queries the response was YES. [2024-12-02 06:38:06,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3760 conditions, 1383 events. 396/1383 cut-off events. For 1620/1661 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 9387 event pairs, 107 based on Foata normal form. 4/1351 useless extension candidates. Maximal degree in co-relation 3728. Up to 677 conditions per place. [2024-12-02 06:38:06,138 INFO L140 encePairwiseOnDemand]: 96/111 looper letters, 109 selfloop transitions, 61 changer transitions 10/255 dead transitions. [2024-12-02 06:38:06,138 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 255 transitions, 1735 flow [2024-12-02 06:38:06,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:38:06,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-12-02 06:38:06,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 547 transitions. [2024-12-02 06:38:06,140 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8213213213213213 [2024-12-02 06:38:06,140 INFO L175 Difference]: Start difference. First operand has 139 places, 194 transitions, 1029 flow. Second operand 6 states and 547 transitions. [2024-12-02 06:38:06,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 255 transitions, 1735 flow [2024-12-02 06:38:06,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 255 transitions, 1671 flow, removed 32 selfloop flow, removed 0 redundant places. [2024-12-02 06:38:06,156 INFO L231 Difference]: Finished difference. Result has 149 places, 241 transitions, 1551 flow [2024-12-02 06:38:06,156 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=971, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1551, PETRI_PLACES=149, PETRI_TRANSITIONS=241} [2024-12-02 06:38:06,157 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 35 predicate places. [2024-12-02 06:38:06,157 INFO L471 AbstractCegarLoop]: Abstraction has has 149 places, 241 transitions, 1551 flow [2024-12-02 06:38:06,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 81.16666666666667) internal successors, (487), 6 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:06,158 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:06,158 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:06,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 06:38:06,158 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:06,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:06,159 INFO L85 PathProgramCache]: Analyzing trace with hash -895514428, now seen corresponding path program 1 times [2024-12-02 06:38:06,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:06,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524897270] [2024-12-02 06:38:06,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:38:06,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:38:07,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:07,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:07,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524897270] [2024-12-02 06:38:07,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524897270] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:07,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:07,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:38:07,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443350249] [2024-12-02 06:38:07,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:07,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:38:07,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:07,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:38:07,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:38:07,932 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:38:07,933 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 241 transitions, 1551 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:07,933 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:07,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:38:07,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:08,575 INFO L124 PetriNetUnfolderBase]: 620/2296 cut-off events. [2024-12-02 06:38:08,575 INFO L125 PetriNetUnfolderBase]: For 2949/3000 co-relation queries the response was YES. [2024-12-02 06:38:08,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6499 conditions, 2296 events. 620/2296 cut-off events. For 2949/3000 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 18424 event pairs, 36 based on Foata normal form. 6/2288 useless extension candidates. Maximal degree in co-relation 6457. Up to 368 conditions per place. [2024-12-02 06:38:08,585 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 40 selfloop transitions, 18 changer transitions 18/288 dead transitions. [2024-12-02 06:38:08,585 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 288 transitions, 1797 flow [2024-12-02 06:38:08,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:38:08,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:38:08,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1143 transitions. [2024-12-02 06:38:08,589 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7920997920997921 [2024-12-02 06:38:08,589 INFO L175 Difference]: Start difference. First operand has 149 places, 241 transitions, 1551 flow. Second operand 13 states and 1143 transitions. [2024-12-02 06:38:08,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 288 transitions, 1797 flow [2024-12-02 06:38:08,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 288 transitions, 1729 flow, removed 34 selfloop flow, removed 0 redundant places. [2024-12-02 06:38:08,611 INFO L231 Difference]: Finished difference. Result has 168 places, 250 transitions, 1582 flow [2024-12-02 06:38:08,611 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1483, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1582, PETRI_PLACES=168, PETRI_TRANSITIONS=250} [2024-12-02 06:38:08,612 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 54 predicate places. [2024-12-02 06:38:08,612 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 250 transitions, 1582 flow [2024-12-02 06:38:08,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:08,613 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:08,613 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:08,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 06:38:08,613 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:08,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:08,614 INFO L85 PathProgramCache]: Analyzing trace with hash 2121954808, now seen corresponding path program 2 times [2024-12-02 06:38:08,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:08,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101664722] [2024-12-02 06:38:08,614 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 06:38:08,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:08,641 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 06:38:08,642 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:38:09,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:09,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:09,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101664722] [2024-12-02 06:38:09,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101664722] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:09,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:09,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:38:09,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602862555] [2024-12-02 06:38:09,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:09,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:38:09,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:09,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:38:09,333 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:38:10,003 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:38:10,004 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 250 transitions, 1582 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:10,004 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:10,004 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:38:10,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:10,677 INFO L124 PetriNetUnfolderBase]: 620/2370 cut-off events. [2024-12-02 06:38:10,677 INFO L125 PetriNetUnfolderBase]: For 3341/3420 co-relation queries the response was YES. [2024-12-02 06:38:10,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7125 conditions, 2370 events. 620/2370 cut-off events. For 3341/3420 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 19157 event pairs, 37 based on Foata normal form. 13/2374 useless extension candidates. Maximal degree in co-relation 7072. Up to 366 conditions per place. [2024-12-02 06:38:10,693 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 34 selfloop transitions, 23 changer transitions 24/293 dead transitions. [2024-12-02 06:38:10,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 293 transitions, 1914 flow [2024-12-02 06:38:10,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:38:10,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:38:10,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1139 transitions. [2024-12-02 06:38:10,697 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7893277893277894 [2024-12-02 06:38:10,697 INFO L175 Difference]: Start difference. First operand has 168 places, 250 transitions, 1582 flow. Second operand 13 states and 1139 transitions. [2024-12-02 06:38:10,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 293 transitions, 1914 flow [2024-12-02 06:38:10,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 293 transitions, 1889 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-12-02 06:38:10,726 INFO L231 Difference]: Finished difference. Result has 177 places, 250 transitions, 1625 flow [2024-12-02 06:38:10,726 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1565, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1625, PETRI_PLACES=177, PETRI_TRANSITIONS=250} [2024-12-02 06:38:10,727 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 63 predicate places. [2024-12-02 06:38:10,727 INFO L471 AbstractCegarLoop]: Abstraction has has 177 places, 250 transitions, 1625 flow [2024-12-02 06:38:10,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:10,727 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:10,727 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:10,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 06:38:10,728 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:10,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:10,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1450919672, now seen corresponding path program 3 times [2024-12-02 06:38:10,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:10,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973615765] [2024-12-02 06:38:10,729 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 06:38:10,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:10,749 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-12-02 06:38:10,749 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:38:11,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:11,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:11,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973615765] [2024-12-02 06:38:11,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973615765] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:11,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:11,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:38:11,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284772083] [2024-12-02 06:38:11,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:11,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:38:11,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:11,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:38:11,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:38:11,794 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:38:11,795 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 250 transitions, 1625 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:11,795 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:11,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:38:11,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:12,457 INFO L124 PetriNetUnfolderBase]: 563/2153 cut-off events. [2024-12-02 06:38:12,457 INFO L125 PetriNetUnfolderBase]: For 3517/3608 co-relation queries the response was YES. [2024-12-02 06:38:12,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6757 conditions, 2153 events. 563/2153 cut-off events. For 3517/3608 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 17008 event pairs, 21 based on Foata normal form. 12/2159 useless extension candidates. Maximal degree in co-relation 6700. Up to 368 conditions per place. [2024-12-02 06:38:12,472 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 42 selfloop transitions, 19 changer transitions 16/289 dead transitions. [2024-12-02 06:38:12,472 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 289 transitions, 2009 flow [2024-12-02 06:38:12,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:38:12,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:38:12,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1137 transitions. [2024-12-02 06:38:12,475 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7879417879417879 [2024-12-02 06:38:12,475 INFO L175 Difference]: Start difference. First operand has 177 places, 250 transitions, 1625 flow. Second operand 13 states and 1137 transitions. [2024-12-02 06:38:12,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 289 transitions, 2009 flow [2024-12-02 06:38:12,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 289 transitions, 1909 flow, removed 9 selfloop flow, removed 11 redundant places. [2024-12-02 06:38:12,503 INFO L231 Difference]: Finished difference. Result has 182 places, 255 transitions, 1673 flow [2024-12-02 06:38:12,504 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1579, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1673, PETRI_PLACES=182, PETRI_TRANSITIONS=255} [2024-12-02 06:38:12,504 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 68 predicate places. [2024-12-02 06:38:12,504 INFO L471 AbstractCegarLoop]: Abstraction has has 182 places, 255 transitions, 1673 flow [2024-12-02 06:38:12,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:12,505 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:12,505 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:12,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 06:38:12,505 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:12,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:12,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1466922172, now seen corresponding path program 4 times [2024-12-02 06:38:12,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:12,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256985146] [2024-12-02 06:38:12,506 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 06:38:12,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:12,528 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 06:38:12,529 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:38:13,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:13,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:13,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256985146] [2024-12-02 06:38:13,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256985146] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:13,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:13,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 06:38:13,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780086583] [2024-12-02 06:38:13,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:13,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 06:38:13,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:13,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 06:38:13,183 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-12-02 06:38:13,900 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 111 [2024-12-02 06:38:13,900 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 255 transitions, 1673 flow. Second operand has 15 states, 15 states have (on average 73.6) internal successors, (1104), 15 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:13,900 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:13,900 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 111 [2024-12-02 06:38:13,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:15,338 INFO L124 PetriNetUnfolderBase]: 1519/4720 cut-off events. [2024-12-02 06:38:15,338 INFO L125 PetriNetUnfolderBase]: For 13840/14121 co-relation queries the response was YES. [2024-12-02 06:38:15,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17370 conditions, 4720 events. 1519/4720 cut-off events. For 13840/14121 co-relation queries the response was YES. Maximal size of possible extension queue 250. Compared 41610 event pairs, 108 based on Foata normal form. 104/4798 useless extension candidates. Maximal degree in co-relation 17312. Up to 1137 conditions per place. [2024-12-02 06:38:15,358 INFO L140 encePairwiseOnDemand]: 86/111 looper letters, 454 selfloop transitions, 120 changer transitions 45/711 dead transitions. [2024-12-02 06:38:15,358 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 711 transitions, 6720 flow [2024-12-02 06:38:15,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-02 06:38:15,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2024-12-02 06:38:15,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 2023 transitions. [2024-12-02 06:38:15,363 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.729009009009009 [2024-12-02 06:38:15,363 INFO L175 Difference]: Start difference. First operand has 182 places, 255 transitions, 1673 flow. Second operand 25 states and 2023 transitions. [2024-12-02 06:38:15,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 711 transitions, 6720 flow [2024-12-02 06:38:15,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 711 transitions, 6577 flow, removed 61 selfloop flow, removed 9 redundant places. [2024-12-02 06:38:15,433 INFO L231 Difference]: Finished difference. Result has 215 places, 356 transitions, 3121 flow [2024-12-02 06:38:15,433 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1633, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=3121, PETRI_PLACES=215, PETRI_TRANSITIONS=356} [2024-12-02 06:38:15,433 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 101 predicate places. [2024-12-02 06:38:15,433 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 356 transitions, 3121 flow [2024-12-02 06:38:15,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 73.6) internal successors, (1104), 15 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:15,434 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:15,434 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:15,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 06:38:15,434 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:15,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:15,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1614284322, now seen corresponding path program 5 times [2024-12-02 06:38:15,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:15,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535291682] [2024-12-02 06:38:15,435 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-02 06:38:15,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:15,452 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 06:38:15,452 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:38:16,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:16,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:16,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535291682] [2024-12-02 06:38:16,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535291682] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:16,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:16,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:38:16,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184436555] [2024-12-02 06:38:16,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:16,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:38:16,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:16,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:38:16,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:38:16,582 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:38:16,583 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 356 transitions, 3121 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:16,583 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:16,583 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:38:16,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:17,359 INFO L124 PetriNetUnfolderBase]: 1371/4716 cut-off events. [2024-12-02 06:38:17,359 INFO L125 PetriNetUnfolderBase]: For 13591/13828 co-relation queries the response was YES. [2024-12-02 06:38:17,374 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16669 conditions, 4716 events. 1371/4716 cut-off events. For 13591/13828 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 44986 event pairs, 57 based on Foata normal form. 38/4738 useless extension candidates. Maximal degree in co-relation 16595. Up to 884 conditions per place. [2024-12-02 06:38:17,386 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 64 selfloop transitions, 29 changer transitions 6/385 dead transitions. [2024-12-02 06:38:17,387 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 385 transitions, 3516 flow [2024-12-02 06:38:17,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:38:17,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:38:17,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1132 transitions. [2024-12-02 06:38:17,389 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7844767844767845 [2024-12-02 06:38:17,389 INFO L175 Difference]: Start difference. First operand has 215 places, 356 transitions, 3121 flow. Second operand 13 states and 1132 transitions. [2024-12-02 06:38:17,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 385 transitions, 3516 flow [2024-12-02 06:38:17,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 385 transitions, 3443 flow, removed 25 selfloop flow, removed 4 redundant places. [2024-12-02 06:38:17,495 INFO L231 Difference]: Finished difference. Result has 226 places, 359 transitions, 3159 flow [2024-12-02 06:38:17,495 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3061, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3159, PETRI_PLACES=226, PETRI_TRANSITIONS=359} [2024-12-02 06:38:17,496 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 112 predicate places. [2024-12-02 06:38:17,496 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 359 transitions, 3159 flow [2024-12-02 06:38:17,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:17,496 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:17,496 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:17,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 06:38:17,496 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:17,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:17,497 INFO L85 PathProgramCache]: Analyzing trace with hash -2013641010, now seen corresponding path program 6 times [2024-12-02 06:38:17,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:17,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212735585] [2024-12-02 06:38:17,497 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-02 06:38:17,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:17,517 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-12-02 06:38:17,517 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:38:18,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:18,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:18,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212735585] [2024-12-02 06:38:18,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212735585] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:18,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:18,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:38:18,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321874824] [2024-12-02 06:38:18,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:18,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:38:18,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:18,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:38:18,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:38:18,835 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:38:18,837 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 359 transitions, 3159 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:18,837 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:18,837 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:38:18,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:19,742 INFO L124 PetriNetUnfolderBase]: 1642/5628 cut-off events. [2024-12-02 06:38:19,742 INFO L125 PetriNetUnfolderBase]: For 16651/16962 co-relation queries the response was YES. [2024-12-02 06:38:19,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20111 conditions, 5628 events. 1642/5628 cut-off events. For 16651/16962 co-relation queries the response was YES. Maximal size of possible extension queue 359. Compared 55780 event pairs, 76 based on Foata normal form. 31/5638 useless extension candidates. Maximal degree in co-relation 20032. Up to 1023 conditions per place. [2024-12-02 06:38:19,771 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 69 selfloop transitions, 35 changer transitions 4/394 dead transitions. [2024-12-02 06:38:19,771 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 394 transitions, 3669 flow [2024-12-02 06:38:19,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:38:19,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:38:19,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1132 transitions. [2024-12-02 06:38:19,774 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7844767844767845 [2024-12-02 06:38:19,774 INFO L175 Difference]: Start difference. First operand has 226 places, 359 transitions, 3159 flow. Second operand 13 states and 1132 transitions. [2024-12-02 06:38:19,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 394 transitions, 3669 flow [2024-12-02 06:38:19,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 394 transitions, 3596 flow, removed 6 selfloop flow, removed 9 redundant places. [2024-12-02 06:38:19,917 INFO L231 Difference]: Finished difference. Result has 234 places, 367 transitions, 3311 flow [2024-12-02 06:38:19,917 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3107, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3311, PETRI_PLACES=234, PETRI_TRANSITIONS=367} [2024-12-02 06:38:19,918 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 120 predicate places. [2024-12-02 06:38:19,918 INFO L471 AbstractCegarLoop]: Abstraction has has 234 places, 367 transitions, 3311 flow [2024-12-02 06:38:19,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:19,918 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:19,918 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:19,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 06:38:19,919 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:19,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:19,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1085975770, now seen corresponding path program 7 times [2024-12-02 06:38:19,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:19,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902102665] [2024-12-02 06:38:19,919 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-02 06:38:19,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:38:20,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:20,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:20,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902102665] [2024-12-02 06:38:20,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902102665] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:20,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:20,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:38:20,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216226026] [2024-12-02 06:38:20,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:20,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:38:20,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:20,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:38:20,461 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:38:20,968 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:38:20,968 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 367 transitions, 3311 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:20,968 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:20,969 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:38:20,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:21,972 INFO L124 PetriNetUnfolderBase]: 1909/6539 cut-off events. [2024-12-02 06:38:21,973 INFO L125 PetriNetUnfolderBase]: For 20656/20974 co-relation queries the response was YES. [2024-12-02 06:38:22,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23642 conditions, 6539 events. 1909/6539 cut-off events. For 20656/20974 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 66790 event pairs, 85 based on Foata normal form. 44/6558 useless extension candidates. Maximal degree in co-relation 23558. Up to 1195 conditions per place. [2024-12-02 06:38:22,075 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 72 selfloop transitions, 36 changer transitions 4/398 dead transitions. [2024-12-02 06:38:22,075 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 398 transitions, 3833 flow [2024-12-02 06:38:22,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:38:22,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:38:22,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1131 transitions. [2024-12-02 06:38:22,076 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7837837837837838 [2024-12-02 06:38:22,077 INFO L175 Difference]: Start difference. First operand has 234 places, 367 transitions, 3311 flow. Second operand 13 states and 1131 transitions. [2024-12-02 06:38:22,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 398 transitions, 3833 flow [2024-12-02 06:38:22,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 398 transitions, 3751 flow, removed 21 selfloop flow, removed 8 redundant places. [2024-12-02 06:38:22,199 INFO L231 Difference]: Finished difference. Result has 241 places, 375 transitions, 3463 flow [2024-12-02 06:38:22,199 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3252, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3463, PETRI_PLACES=241, PETRI_TRANSITIONS=375} [2024-12-02 06:38:22,200 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 127 predicate places. [2024-12-02 06:38:22,200 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 375 transitions, 3463 flow [2024-12-02 06:38:22,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:22,200 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:22,201 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:22,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 06:38:22,201 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:22,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:22,201 INFO L85 PathProgramCache]: Analyzing trace with hash -937140688, now seen corresponding path program 8 times [2024-12-02 06:38:22,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:22,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867990744] [2024-12-02 06:38:22,201 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 06:38:22,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:22,216 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 06:38:22,216 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:38:22,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:22,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:22,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867990744] [2024-12-02 06:38:22,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867990744] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:22,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:22,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:38:22,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676951408] [2024-12-02 06:38:22,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:22,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:38:22,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:22,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:38:22,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:38:23,308 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:38:23,308 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 375 transitions, 3463 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:23,308 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:23,309 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:38:23,309 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:24,349 INFO L124 PetriNetUnfolderBase]: 1910/6540 cut-off events. [2024-12-02 06:38:24,350 INFO L125 PetriNetUnfolderBase]: For 22396/22768 co-relation queries the response was YES. [2024-12-02 06:38:24,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23914 conditions, 6540 events. 1910/6540 cut-off events. For 22396/22768 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 66813 event pairs, 83 based on Foata normal form. 48/6563 useless extension candidates. Maximal degree in co-relation 23827. Up to 1187 conditions per place. [2024-12-02 06:38:24,378 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 73 selfloop transitions, 37 changer transitions 5/401 dead transitions. [2024-12-02 06:38:24,378 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 401 transitions, 3930 flow [2024-12-02 06:38:24,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:38:24,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:38:24,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1135 transitions. [2024-12-02 06:38:24,380 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7865557865557865 [2024-12-02 06:38:24,380 INFO L175 Difference]: Start difference. First operand has 241 places, 375 transitions, 3463 flow. Second operand 13 states and 1135 transitions. [2024-12-02 06:38:24,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 401 transitions, 3930 flow [2024-12-02 06:38:24,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 401 transitions, 3847 flow, removed 18 selfloop flow, removed 8 redundant places. [2024-12-02 06:38:24,495 INFO L231 Difference]: Finished difference. Result has 249 places, 378 transitions, 3545 flow [2024-12-02 06:38:24,495 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3390, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3545, PETRI_PLACES=249, PETRI_TRANSITIONS=378} [2024-12-02 06:38:24,496 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 135 predicate places. [2024-12-02 06:38:24,496 INFO L471 AbstractCegarLoop]: Abstraction has has 249 places, 378 transitions, 3545 flow [2024-12-02 06:38:24,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:24,496 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:24,496 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:24,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 06:38:24,496 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:24,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:24,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1553215992, now seen corresponding path program 9 times [2024-12-02 06:38:24,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:24,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103025199] [2024-12-02 06:38:24,497 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 06:38:24,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:24,508 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-12-02 06:38:24,508 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:38:24,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:24,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:24,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103025199] [2024-12-02 06:38:24,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103025199] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:24,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:24,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:38:24,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936254697] [2024-12-02 06:38:24,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:24,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:38:24,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:24,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:38:24,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:38:25,261 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:38:25,262 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 378 transitions, 3545 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:25,262 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:25,262 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:38:25,262 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:26,490 INFO L124 PetriNetUnfolderBase]: 1911/6515 cut-off events. [2024-12-02 06:38:26,490 INFO L125 PetriNetUnfolderBase]: For 23505/23870 co-relation queries the response was YES. [2024-12-02 06:38:26,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24019 conditions, 6515 events. 1911/6515 cut-off events. For 23505/23870 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 66525 event pairs, 88 based on Foata normal form. 40/6528 useless extension candidates. Maximal degree in co-relation 23928. Up to 1197 conditions per place. [2024-12-02 06:38:26,530 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 77 selfloop transitions, 31 changer transitions 3/397 dead transitions. [2024-12-02 06:38:26,530 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 397 transitions, 3963 flow [2024-12-02 06:38:26,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:38:26,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:38:26,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1138 transitions. [2024-12-02 06:38:26,532 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7886347886347886 [2024-12-02 06:38:26,532 INFO L175 Difference]: Start difference. First operand has 249 places, 378 transitions, 3545 flow. Second operand 13 states and 1138 transitions. [2024-12-02 06:38:26,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 397 transitions, 3963 flow [2024-12-02 06:38:26,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 397 transitions, 3796 flow, removed 43 selfloop flow, removed 13 redundant places. [2024-12-02 06:38:26,670 INFO L231 Difference]: Finished difference. Result has 251 places, 381 transitions, 3555 flow [2024-12-02 06:38:26,670 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3425, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3555, PETRI_PLACES=251, PETRI_TRANSITIONS=381} [2024-12-02 06:38:26,671 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 137 predicate places. [2024-12-02 06:38:26,671 INFO L471 AbstractCegarLoop]: Abstraction has has 251 places, 381 transitions, 3555 flow [2024-12-02 06:38:26,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:26,671 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:26,672 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:26,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 06:38:26,672 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:26,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:26,673 INFO L85 PathProgramCache]: Analyzing trace with hash -568278840, now seen corresponding path program 1 times [2024-12-02 06:38:26,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:26,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319559048] [2024-12-02 06:38:26,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:38:26,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:38:27,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:27,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:27,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319559048] [2024-12-02 06:38:27,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319559048] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:27,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:27,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:38:27,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700216442] [2024-12-02 06:38:27,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:27,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:38:27,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:27,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:38:27,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:38:27,951 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:38:27,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 381 transitions, 3555 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:27,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:27,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:38:27,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:29,113 INFO L124 PetriNetUnfolderBase]: 2174/7382 cut-off events. [2024-12-02 06:38:29,113 INFO L125 PetriNetUnfolderBase]: For 27449/27844 co-relation queries the response was YES. [2024-12-02 06:38:29,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27098 conditions, 7382 events. 2174/7382 cut-off events. For 27449/27844 co-relation queries the response was YES. Maximal size of possible extension queue 476. Compared 77223 event pairs, 97 based on Foata normal form. 42/7393 useless extension candidates. Maximal degree in co-relation 27009. Up to 1365 conditions per place. [2024-12-02 06:38:29,158 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 83 selfloop transitions, 34 changer transitions 3/406 dead transitions. [2024-12-02 06:38:29,159 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 406 transitions, 4070 flow [2024-12-02 06:38:29,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:38:29,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:38:29,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1139 transitions. [2024-12-02 06:38:29,160 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7893277893277894 [2024-12-02 06:38:29,160 INFO L175 Difference]: Start difference. First operand has 251 places, 381 transitions, 3555 flow. Second operand 13 states and 1139 transitions. [2024-12-02 06:38:29,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 406 transitions, 4070 flow [2024-12-02 06:38:29,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 406 transitions, 3962 flow, removed 32 selfloop flow, removed 8 redundant places. [2024-12-02 06:38:29,318 INFO L231 Difference]: Finished difference. Result has 258 places, 387 transitions, 3670 flow [2024-12-02 06:38:29,318 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3488, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3670, PETRI_PLACES=258, PETRI_TRANSITIONS=387} [2024-12-02 06:38:29,319 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 144 predicate places. [2024-12-02 06:38:29,319 INFO L471 AbstractCegarLoop]: Abstraction has has 258 places, 387 transitions, 3670 flow [2024-12-02 06:38:29,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:29,319 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:29,319 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:29,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 06:38:29,319 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:29,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:29,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1069381706, now seen corresponding path program 2 times [2024-12-02 06:38:29,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:29,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952549795] [2024-12-02 06:38:29,320 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 06:38:29,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:29,332 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 06:38:29,332 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:38:29,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:29,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:29,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952549795] [2024-12-02 06:38:29,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952549795] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:29,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:29,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:38:29,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700312867] [2024-12-02 06:38:29,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:29,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:38:29,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:29,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:38:29,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:38:30,354 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:38:30,355 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 387 transitions, 3670 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:30,355 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:30,355 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:38:30,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:31,552 INFO L124 PetriNetUnfolderBase]: 2174/7402 cut-off events. [2024-12-02 06:38:31,552 INFO L125 PetriNetUnfolderBase]: For 27795/28190 co-relation queries the response was YES. [2024-12-02 06:38:31,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27224 conditions, 7402 events. 2174/7402 cut-off events. For 27795/28190 co-relation queries the response was YES. Maximal size of possible extension queue 477. Compared 77512 event pairs, 100 based on Foata normal form. 39/7410 useless extension candidates. Maximal degree in co-relation 27132. Up to 1368 conditions per place. [2024-12-02 06:38:31,591 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 81 selfloop transitions, 31 changer transitions 5/403 dead transitions. [2024-12-02 06:38:31,591 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 403 transitions, 4038 flow [2024-12-02 06:38:31,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:38:31,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:38:31,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1139 transitions. [2024-12-02 06:38:31,592 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7893277893277894 [2024-12-02 06:38:31,592 INFO L175 Difference]: Start difference. First operand has 258 places, 387 transitions, 3670 flow. Second operand 13 states and 1139 transitions. [2024-12-02 06:38:31,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 403 transitions, 4038 flow [2024-12-02 06:38:31,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 403 transitions, 3976 flow, removed 5 selfloop flow, removed 9 redundant places. [2024-12-02 06:38:31,737 INFO L231 Difference]: Finished difference. Result has 263 places, 387 transitions, 3691 flow [2024-12-02 06:38:31,737 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3614, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3691, PETRI_PLACES=263, PETRI_TRANSITIONS=387} [2024-12-02 06:38:31,738 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 149 predicate places. [2024-12-02 06:38:31,738 INFO L471 AbstractCegarLoop]: Abstraction has has 263 places, 387 transitions, 3691 flow [2024-12-02 06:38:31,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:31,738 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:31,738 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:31,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 06:38:31,738 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:31,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:31,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1468252868, now seen corresponding path program 3 times [2024-12-02 06:38:31,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:31,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394795779] [2024-12-02 06:38:31,739 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 06:38:31,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:31,749 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-12-02 06:38:31,749 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:38:32,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:32,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:32,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394795779] [2024-12-02 06:38:32,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394795779] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:32,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:32,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:38:32,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426770671] [2024-12-02 06:38:32,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:32,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:38:32,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:32,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:38:32,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:38:32,714 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:38:32,715 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 387 transitions, 3691 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:32,715 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:32,715 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:38:32,715 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:34,003 INFO L124 PetriNetUnfolderBase]: 1907/6560 cut-off events. [2024-12-02 06:38:34,004 INFO L125 PetriNetUnfolderBase]: For 24514/24870 co-relation queries the response was YES. [2024-12-02 06:38:34,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24089 conditions, 6560 events. 1907/6560 cut-off events. For 24514/24870 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 67339 event pairs, 87 based on Foata normal form. 35/6568 useless extension candidates. Maximal degree in co-relation 23995. Up to 1205 conditions per place. [2024-12-02 06:38:34,056 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 78 selfloop transitions, 28 changer transitions 9/401 dead transitions. [2024-12-02 06:38:34,056 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 401 transitions, 4001 flow [2024-12-02 06:38:34,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:38:34,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:38:34,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1135 transitions. [2024-12-02 06:38:34,059 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7865557865557865 [2024-12-02 06:38:34,059 INFO L175 Difference]: Start difference. First operand has 263 places, 387 transitions, 3691 flow. Second operand 13 states and 1135 transitions. [2024-12-02 06:38:34,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 401 transitions, 4001 flow [2024-12-02 06:38:34,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 401 transitions, 3918 flow, removed 8 selfloop flow, removed 12 redundant places. [2024-12-02 06:38:34,225 INFO L231 Difference]: Finished difference. Result has 264 places, 381 transitions, 3574 flow [2024-12-02 06:38:34,225 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3540, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3574, PETRI_PLACES=264, PETRI_TRANSITIONS=381} [2024-12-02 06:38:34,225 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 150 predicate places. [2024-12-02 06:38:34,225 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 381 transitions, 3574 flow [2024-12-02 06:38:34,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:34,226 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:34,226 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:34,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 06:38:34,226 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:34,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:34,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1571950034, now seen corresponding path program 4 times [2024-12-02 06:38:34,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:34,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032513384] [2024-12-02 06:38:34,227 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 06:38:34,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:34,247 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 06:38:34,247 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:38:34,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:34,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:34,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032513384] [2024-12-02 06:38:34,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032513384] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:34,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:34,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:38:34,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481029880] [2024-12-02 06:38:34,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:34,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:38:34,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:34,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:38:34,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:38:35,113 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:38:35,114 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 381 transitions, 3574 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:35,114 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:35,114 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:38:35,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:36,275 INFO L124 PetriNetUnfolderBase]: 1906/6525 cut-off events. [2024-12-02 06:38:36,275 INFO L125 PetriNetUnfolderBase]: For 24014/24364 co-relation queries the response was YES. [2024-12-02 06:38:36,369 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23866 conditions, 6525 events. 1906/6525 cut-off events. For 24014/24364 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 66743 event pairs, 88 based on Foata normal form. 37/6535 useless extension candidates. Maximal degree in co-relation 23771. Up to 1193 conditions per place. [2024-12-02 06:38:36,378 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 74 selfloop transitions, 31 changer transitions 5/396 dead transitions. [2024-12-02 06:38:36,378 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 396 transitions, 3935 flow [2024-12-02 06:38:36,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:38:36,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:38:36,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1138 transitions. [2024-12-02 06:38:36,379 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7886347886347886 [2024-12-02 06:38:36,379 INFO L175 Difference]: Start difference. First operand has 264 places, 381 transitions, 3574 flow. Second operand 13 states and 1138 transitions. [2024-12-02 06:38:36,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 396 transitions, 3935 flow [2024-12-02 06:38:36,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 396 transitions, 3841 flow, removed 14 selfloop flow, removed 15 redundant places. [2024-12-02 06:38:36,493 INFO L231 Difference]: Finished difference. Result has 258 places, 381 transitions, 3570 flow [2024-12-02 06:38:36,493 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3501, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3570, PETRI_PLACES=258, PETRI_TRANSITIONS=381} [2024-12-02 06:38:36,493 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 144 predicate places. [2024-12-02 06:38:36,493 INFO L471 AbstractCegarLoop]: Abstraction has has 258 places, 381 transitions, 3570 flow [2024-12-02 06:38:36,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:36,494 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:36,494 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:36,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 06:38:36,494 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:36,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:36,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1891756424, now seen corresponding path program 5 times [2024-12-02 06:38:36,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:36,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179211637] [2024-12-02 06:38:36,494 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-02 06:38:36,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:36,508 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 06:38:36,508 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:38:36,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:36,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:36,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179211637] [2024-12-02 06:38:36,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179211637] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:36,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:36,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:38:36,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748417534] [2024-12-02 06:38:36,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:36,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:38:36,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:36,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:38:36,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:38:37,252 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:38:37,253 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 381 transitions, 3570 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:37,253 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:37,253 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:38:37,253 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:38,179 INFO L124 PetriNetUnfolderBase]: 1637/5683 cut-off events. [2024-12-02 06:38:38,179 INFO L125 PetriNetUnfolderBase]: For 20287/20597 co-relation queries the response was YES. [2024-12-02 06:38:38,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20722 conditions, 5683 events. 1637/5683 cut-off events. For 20287/20597 co-relation queries the response was YES. Maximal size of possible extension queue 360. Compared 56561 event pairs, 77 based on Foata normal form. 30/5690 useless extension candidates. Maximal degree in co-relation 20630. Up to 1032 conditions per place. [2024-12-02 06:38:38,214 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 70 selfloop transitions, 23 changer transitions 10/389 dead transitions. [2024-12-02 06:38:38,214 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 389 transitions, 3794 flow [2024-12-02 06:38:38,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:38:38,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:38:38,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1134 transitions. [2024-12-02 06:38:38,215 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7858627858627859 [2024-12-02 06:38:38,215 INFO L175 Difference]: Start difference. First operand has 258 places, 381 transitions, 3570 flow. Second operand 13 states and 1134 transitions. [2024-12-02 06:38:38,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 389 transitions, 3794 flow [2024-12-02 06:38:38,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 389 transitions, 3691 flow, removed 10 selfloop flow, removed 14 redundant places. [2024-12-02 06:38:38,333 INFO L231 Difference]: Finished difference. Result has 255 places, 371 transitions, 3372 flow [2024-12-02 06:38:38,333 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3401, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3372, PETRI_PLACES=255, PETRI_TRANSITIONS=371} [2024-12-02 06:38:38,333 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 141 predicate places. [2024-12-02 06:38:38,333 INFO L471 AbstractCegarLoop]: Abstraction has has 255 places, 371 transitions, 3372 flow [2024-12-02 06:38:38,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:38,333 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:38,333 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:38,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 06:38:38,334 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:38,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:38,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1619751972, now seen corresponding path program 6 times [2024-12-02 06:38:38,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:38,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890121569] [2024-12-02 06:38:38,334 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-02 06:38:38,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:38,344 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-12-02 06:38:38,344 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:38:38,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:38,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:38,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890121569] [2024-12-02 06:38:38,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890121569] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:38,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:38,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:38:38,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762705470] [2024-12-02 06:38:38,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:38,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:38:38,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:38,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:38:38,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:38:39,100 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:38:39,101 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 371 transitions, 3372 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:39,101 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:39,101 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:38:39,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:39,879 INFO L124 PetriNetUnfolderBase]: 1367/4796 cut-off events. [2024-12-02 06:38:39,879 INFO L125 PetriNetUnfolderBase]: For 15450/15683 co-relation queries the response was YES. [2024-12-02 06:38:39,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17258 conditions, 4796 events. 1367/4796 cut-off events. For 15450/15683 co-relation queries the response was YES. Maximal size of possible extension queue 303. Compared 45992 event pairs, 58 based on Foata normal form. 35/4812 useless extension candidates. Maximal degree in co-relation 17193. Up to 871 conditions per place. [2024-12-02 06:38:39,951 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 66 selfloop transitions, 26 changer transitions 8/386 dead transitions. [2024-12-02 06:38:39,951 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 386 transitions, 3618 flow [2024-12-02 06:38:39,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:38:39,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:38:39,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1127 transitions. [2024-12-02 06:38:39,952 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.781011781011781 [2024-12-02 06:38:39,952 INFO L175 Difference]: Start difference. First operand has 255 places, 371 transitions, 3372 flow. Second operand 13 states and 1127 transitions. [2024-12-02 06:38:39,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 386 transitions, 3618 flow [2024-12-02 06:38:40,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 386 transitions, 3523 flow, removed 10 selfloop flow, removed 15 redundant places. [2024-12-02 06:38:40,027 INFO L231 Difference]: Finished difference. Result has 245 places, 365 transitions, 3246 flow [2024-12-02 06:38:40,027 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3213, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3246, PETRI_PLACES=245, PETRI_TRANSITIONS=365} [2024-12-02 06:38:40,028 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 131 predicate places. [2024-12-02 06:38:40,028 INFO L471 AbstractCegarLoop]: Abstraction has has 245 places, 365 transitions, 3246 flow [2024-12-02 06:38:40,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:40,028 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:40,028 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:40,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 06:38:40,028 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:40,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:40,029 INFO L85 PathProgramCache]: Analyzing trace with hash 791919810, now seen corresponding path program 7 times [2024-12-02 06:38:40,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:40,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353319758] [2024-12-02 06:38:40,029 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-02 06:38:40,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:38:40,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:40,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:40,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353319758] [2024-12-02 06:38:40,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353319758] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:40,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:40,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:38:40,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952604320] [2024-12-02 06:38:40,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:40,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:38:40,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:40,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:38:40,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:38:40,877 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:38:40,878 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 365 transitions, 3246 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:40,878 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:40,878 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:38:40,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:41,649 INFO L124 PetriNetUnfolderBase]: 1367/4809 cut-off events. [2024-12-02 06:38:41,649 INFO L125 PetriNetUnfolderBase]: For 14509/14755 co-relation queries the response was YES. [2024-12-02 06:38:41,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17108 conditions, 4809 events. 1367/4809 cut-off events. For 14509/14755 co-relation queries the response was YES. Maximal size of possible extension queue 302. Compared 46089 event pairs, 60 based on Foata normal form. 35/4825 useless extension candidates. Maximal degree in co-relation 17045. Up to 858 conditions per place. [2024-12-02 06:38:41,679 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 63 selfloop transitions, 28 changer transitions 4/381 dead transitions. [2024-12-02 06:38:41,679 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 381 transitions, 3548 flow [2024-12-02 06:38:41,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:38:41,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:38:41,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1131 transitions. [2024-12-02 06:38:41,681 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7837837837837838 [2024-12-02 06:38:41,681 INFO L175 Difference]: Start difference. First operand has 245 places, 365 transitions, 3246 flow. Second operand 13 states and 1131 transitions. [2024-12-02 06:38:41,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 381 transitions, 3548 flow [2024-12-02 06:38:41,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 381 transitions, 3434 flow, removed 17 selfloop flow, removed 16 redundant places. [2024-12-02 06:38:41,765 INFO L231 Difference]: Finished difference. Result has 239 places, 365 transitions, 3223 flow [2024-12-02 06:38:41,765 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3153, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=337, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3223, PETRI_PLACES=239, PETRI_TRANSITIONS=365} [2024-12-02 06:38:41,765 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 125 predicate places. [2024-12-02 06:38:41,765 INFO L471 AbstractCegarLoop]: Abstraction has has 239 places, 365 transitions, 3223 flow [2024-12-02 06:38:41,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:41,766 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:41,766 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:41,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 06:38:41,766 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:41,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:41,766 INFO L85 PathProgramCache]: Analyzing trace with hash -91655010, now seen corresponding path program 8 times [2024-12-02 06:38:41,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:41,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747070340] [2024-12-02 06:38:41,767 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 06:38:41,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:41,777 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 06:38:41,777 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:38:42,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:42,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:42,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747070340] [2024-12-02 06:38:42,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747070340] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:42,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:42,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:38:42,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408372463] [2024-12-02 06:38:42,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:42,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:38:42,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:42,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:38:42,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:38:42,557 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:38:42,558 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 365 transitions, 3223 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:42,558 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:42,558 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:38:42,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:43,380 INFO L124 PetriNetUnfolderBase]: 1365/4784 cut-off events. [2024-12-02 06:38:43,380 INFO L125 PetriNetUnfolderBase]: For 14143/14373 co-relation queries the response was YES. [2024-12-02 06:38:43,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16957 conditions, 4784 events. 1365/4784 cut-off events. For 14143/14373 co-relation queries the response was YES. Maximal size of possible extension queue 302. Compared 45792 event pairs, 61 based on Foata normal form. 34/4799 useless extension candidates. Maximal degree in co-relation 16897. Up to 861 conditions per place. [2024-12-02 06:38:43,400 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 60 selfloop transitions, 30 changer transitions 5/381 dead transitions. [2024-12-02 06:38:43,400 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 381 transitions, 3522 flow [2024-12-02 06:38:43,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:38:43,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:38:43,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1130 transitions. [2024-12-02 06:38:43,401 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7830907830907831 [2024-12-02 06:38:43,401 INFO L175 Difference]: Start difference. First operand has 239 places, 365 transitions, 3223 flow. Second operand 13 states and 1130 transitions. [2024-12-02 06:38:43,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 381 transitions, 3522 flow [2024-12-02 06:38:43,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 381 transitions, 3452 flow, removed 5 selfloop flow, removed 11 redundant places. [2024-12-02 06:38:43,471 INFO L231 Difference]: Finished difference. Result has 242 places, 366 transitions, 3255 flow [2024-12-02 06:38:43,471 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3163, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3255, PETRI_PLACES=242, PETRI_TRANSITIONS=366} [2024-12-02 06:38:43,472 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 128 predicate places. [2024-12-02 06:38:43,472 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 366 transitions, 3255 flow [2024-12-02 06:38:43,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:43,472 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:43,472 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:43,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 06:38:43,472 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:43,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:43,473 INFO L85 PathProgramCache]: Analyzing trace with hash 768534790, now seen corresponding path program 9 times [2024-12-02 06:38:43,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:43,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903481445] [2024-12-02 06:38:43,473 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 06:38:43,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:43,483 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-12-02 06:38:43,483 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:38:43,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:43,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:43,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903481445] [2024-12-02 06:38:43,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903481445] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:43,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:43,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:38:43,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765035880] [2024-12-02 06:38:43,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:43,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:38:43,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:43,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:38:43,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:38:44,426 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:38:44,427 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 366 transitions, 3255 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:44,427 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:44,427 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:38:44,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:45,124 INFO L124 PetriNetUnfolderBase]: 1096/3968 cut-off events. [2024-12-02 06:38:45,125 INFO L125 PetriNetUnfolderBase]: For 11458/11646 co-relation queries the response was YES. [2024-12-02 06:38:45,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13959 conditions, 3968 events. 1096/3968 cut-off events. For 11458/11646 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 36392 event pairs, 50 based on Foata normal form. 28/3981 useless extension candidates. Maximal degree in co-relation 13896. Up to 697 conditions per place. [2024-12-02 06:38:45,145 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 55 selfloop transitions, 21 changer transitions 12/374 dead transitions. [2024-12-02 06:38:45,145 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 374 transitions, 3435 flow [2024-12-02 06:38:45,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:38:45,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:38:45,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1126 transitions. [2024-12-02 06:38:45,146 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7803187803187803 [2024-12-02 06:38:45,146 INFO L175 Difference]: Start difference. First operand has 242 places, 366 transitions, 3255 flow. Second operand 13 states and 1126 transitions. [2024-12-02 06:38:45,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 374 transitions, 3435 flow [2024-12-02 06:38:45,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 374 transitions, 3374 flow, removed 6 selfloop flow, removed 10 redundant places. [2024-12-02 06:38:45,213 INFO L231 Difference]: Finished difference. Result has 243 places, 355 transitions, 3100 flow [2024-12-02 06:38:45,213 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3128, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3100, PETRI_PLACES=243, PETRI_TRANSITIONS=355} [2024-12-02 06:38:45,213 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 129 predicate places. [2024-12-02 06:38:45,213 INFO L471 AbstractCegarLoop]: Abstraction has has 243 places, 355 transitions, 3100 flow [2024-12-02 06:38:45,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:45,214 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:45,214 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:45,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 06:38:45,214 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:45,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:45,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1247688722, now seen corresponding path program 10 times [2024-12-02 06:38:45,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:45,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187984744] [2024-12-02 06:38:45,215 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 06:38:45,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:45,233 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 06:38:45,233 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:38:45,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:45,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:45,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187984744] [2024-12-02 06:38:45,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187984744] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:45,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:45,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:38:45,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091766549] [2024-12-02 06:38:45,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:45,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:38:45,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:45,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:38:45,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:38:46,095 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:38:46,096 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 355 transitions, 3100 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:46,096 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:46,096 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:38:46,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:46,908 INFO L124 PetriNetUnfolderBase]: 1358/4648 cut-off events. [2024-12-02 06:38:46,909 INFO L125 PetriNetUnfolderBase]: For 13514/13767 co-relation queries the response was YES. [2024-12-02 06:38:46,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16325 conditions, 4648 events. 1358/4648 cut-off events. For 13514/13767 co-relation queries the response was YES. Maximal size of possible extension queue 302. Compared 44423 event pairs, 56 based on Foata normal form. 30/4659 useless extension candidates. Maximal degree in co-relation 16263. Up to 843 conditions per place. [2024-12-02 06:38:46,937 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 54 selfloop transitions, 36 changer transitions 1/377 dead transitions. [2024-12-02 06:38:46,937 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 377 transitions, 3445 flow [2024-12-02 06:38:46,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:38:46,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:38:46,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1135 transitions. [2024-12-02 06:38:46,938 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7865557865557865 [2024-12-02 06:38:46,938 INFO L175 Difference]: Start difference. First operand has 243 places, 355 transitions, 3100 flow. Second operand 13 states and 1135 transitions. [2024-12-02 06:38:46,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 377 transitions, 3445 flow [2024-12-02 06:38:47,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 377 transitions, 3320 flow, removed 18 selfloop flow, removed 19 redundant places. [2024-12-02 06:38:47,055 INFO L231 Difference]: Finished difference. Result has 230 places, 362 transitions, 3174 flow [2024-12-02 06:38:47,055 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3008, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3174, PETRI_PLACES=230, PETRI_TRANSITIONS=362} [2024-12-02 06:38:47,056 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 116 predicate places. [2024-12-02 06:38:47,056 INFO L471 AbstractCegarLoop]: Abstraction has has 230 places, 362 transitions, 3174 flow [2024-12-02 06:38:47,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:47,056 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:47,056 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:47,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 06:38:47,056 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:47,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:47,057 INFO L85 PathProgramCache]: Analyzing trace with hash 160235840, now seen corresponding path program 11 times [2024-12-02 06:38:47,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:47,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349689630] [2024-12-02 06:38:47,058 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-02 06:38:47,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:47,068 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 06:38:47,068 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:38:47,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:47,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:47,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349689630] [2024-12-02 06:38:47,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349689630] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:47,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:47,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:38:47,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555605744] [2024-12-02 06:38:47,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:47,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:38:47,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:47,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:38:47,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:38:47,856 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:38:47,857 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 362 transitions, 3174 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:47,857 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:47,857 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:38:47,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:48,588 INFO L124 PetriNetUnfolderBase]: 1356/4628 cut-off events. [2024-12-02 06:38:48,588 INFO L125 PetriNetUnfolderBase]: For 13710/13952 co-relation queries the response was YES. [2024-12-02 06:38:48,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16316 conditions, 4628 events. 1356/4628 cut-off events. For 13710/13952 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 44183 event pairs, 57 based on Foata normal form. 51/4660 useless extension candidates. Maximal degree in co-relation 16259. Up to 853 conditions per place. [2024-12-02 06:38:48,615 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 40 selfloop transitions, 51 changer transitions 3/380 dead transitions. [2024-12-02 06:38:48,615 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 380 transitions, 3474 flow [2024-12-02 06:38:48,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:38:48,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:38:48,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1122 transitions. [2024-12-02 06:38:48,616 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7775467775467776 [2024-12-02 06:38:48,616 INFO L175 Difference]: Start difference. First operand has 230 places, 362 transitions, 3174 flow. Second operand 13 states and 1122 transitions. [2024-12-02 06:38:48,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 380 transitions, 3474 flow [2024-12-02 06:38:48,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 380 transitions, 3410 flow, removed 3 selfloop flow, removed 8 redundant places. [2024-12-02 06:38:48,695 INFO L231 Difference]: Finished difference. Result has 236 places, 361 transitions, 3224 flow [2024-12-02 06:38:48,696 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3113, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3224, PETRI_PLACES=236, PETRI_TRANSITIONS=361} [2024-12-02 06:38:48,696 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 122 predicate places. [2024-12-02 06:38:48,696 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 361 transitions, 3224 flow [2024-12-02 06:38:48,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:48,697 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:48,697 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:48,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 06:38:48,697 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:48,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:48,698 INFO L85 PathProgramCache]: Analyzing trace with hash 927882332, now seen corresponding path program 12 times [2024-12-02 06:38:48,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:48,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865892232] [2024-12-02 06:38:48,698 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-02 06:38:48,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:48,708 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-12-02 06:38:48,708 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:38:49,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:49,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:49,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865892232] [2024-12-02 06:38:49,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865892232] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:49,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:49,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:38:49,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542879048] [2024-12-02 06:38:49,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:49,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:38:49,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:49,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:38:49,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:38:49,567 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:38:49,568 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 361 transitions, 3224 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:49,568 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:49,568 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:38:49,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:50,260 INFO L124 PetriNetUnfolderBase]: 1088/3839 cut-off events. [2024-12-02 06:38:50,260 INFO L125 PetriNetUnfolderBase]: For 11591/11791 co-relation queries the response was YES. [2024-12-02 06:38:50,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13643 conditions, 3839 events. 1088/3839 cut-off events. For 11591/11791 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 35159 event pairs, 47 based on Foata normal form. 21/3845 useless extension candidates. Maximal degree in co-relation 13584. Up to 687 conditions per place. [2024-12-02 06:38:50,280 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 52 selfloop transitions, 28 changer transitions 6/372 dead transitions. [2024-12-02 06:38:50,280 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 372 transitions, 3436 flow [2024-12-02 06:38:50,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:38:50,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:38:50,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1130 transitions. [2024-12-02 06:38:50,281 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7830907830907831 [2024-12-02 06:38:50,281 INFO L175 Difference]: Start difference. First operand has 236 places, 361 transitions, 3224 flow. Second operand 13 states and 1130 transitions. [2024-12-02 06:38:50,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 372 transitions, 3436 flow [2024-12-02 06:38:50,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 372 transitions, 3353 flow, removed 4 selfloop flow, removed 11 redundant places. [2024-12-02 06:38:50,340 INFO L231 Difference]: Finished difference. Result has 237 places, 354 transitions, 3115 flow [2024-12-02 06:38:50,341 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3091, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3115, PETRI_PLACES=237, PETRI_TRANSITIONS=354} [2024-12-02 06:38:50,341 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 123 predicate places. [2024-12-02 06:38:50,341 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 354 transitions, 3115 flow [2024-12-02 06:38:50,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:50,341 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:50,341 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:50,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 06:38:50,342 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:50,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:50,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1537220490, now seen corresponding path program 13 times [2024-12-02 06:38:50,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:50,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703861493] [2024-12-02 06:38:50,342 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-02 06:38:50,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:38:50,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:50,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:50,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703861493] [2024-12-02 06:38:50,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703861493] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:50,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:50,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:38:50,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695083432] [2024-12-02 06:38:50,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:50,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:38:50,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:50,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:38:50,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:38:51,197 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:38:51,198 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 354 transitions, 3115 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:51,198 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:51,198 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:38:51,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:51,865 INFO L124 PetriNetUnfolderBase]: 1085/3828 cut-off events. [2024-12-02 06:38:51,865 INFO L125 PetriNetUnfolderBase]: For 11295/11481 co-relation queries the response was YES. [2024-12-02 06:38:51,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13518 conditions, 3828 events. 1085/3828 cut-off events. For 11295/11481 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 35019 event pairs, 45 based on Foata normal form. 26/3839 useless extension candidates. Maximal degree in co-relation 13459. Up to 683 conditions per place. [2024-12-02 06:38:51,885 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 51 selfloop transitions, 37 changer transitions 2/376 dead transitions. [2024-12-02 06:38:51,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 376 transitions, 3444 flow [2024-12-02 06:38:51,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:38:51,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:38:51,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1125 transitions. [2024-12-02 06:38:51,887 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7796257796257796 [2024-12-02 06:38:51,887 INFO L175 Difference]: Start difference. First operand has 237 places, 354 transitions, 3115 flow. Second operand 13 states and 1125 transitions. [2024-12-02 06:38:51,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 376 transitions, 3444 flow [2024-12-02 06:38:51,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 376 transitions, 3365 flow, removed 10 selfloop flow, removed 13 redundant places. [2024-12-02 06:38:51,947 INFO L231 Difference]: Finished difference. Result has 234 places, 357 transitions, 3183 flow [2024-12-02 06:38:51,948 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3048, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3183, PETRI_PLACES=234, PETRI_TRANSITIONS=357} [2024-12-02 06:38:51,948 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 120 predicate places. [2024-12-02 06:38:51,948 INFO L471 AbstractCegarLoop]: Abstraction has has 234 places, 357 transitions, 3183 flow [2024-12-02 06:38:51,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:51,949 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:51,949 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:51,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 06:38:51,949 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:51,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:51,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1561646848, now seen corresponding path program 14 times [2024-12-02 06:38:51,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:51,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233976548] [2024-12-02 06:38:51,950 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 06:38:51,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:51,960 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 06:38:51,960 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:38:52,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:52,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:52,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233976548] [2024-12-02 06:38:52,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233976548] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:52,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:52,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:38:52,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499133458] [2024-12-02 06:38:52,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:52,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:38:52,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:52,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:38:52,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:38:52,733 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:38:52,734 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 357 transitions, 3183 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:52,734 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:52,734 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:38:52,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:53,301 INFO L124 PetriNetUnfolderBase]: 817/2991 cut-off events. [2024-12-02 06:38:53,301 INFO L125 PetriNetUnfolderBase]: For 8743/8881 co-relation queries the response was YES. [2024-12-02 06:38:53,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10571 conditions, 2991 events. 817/2991 cut-off events. For 8743/8881 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 25899 event pairs, 34 based on Foata normal form. 22/3002 useless extension candidates. Maximal degree in co-relation 10511. Up to 521 conditions per place. [2024-12-02 06:38:53,317 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 41 selfloop transitions, 36 changer transitions 8/351 dead transitions. [2024-12-02 06:38:53,317 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 351 transitions, 3102 flow [2024-12-02 06:38:53,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:38:53,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:38:53,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1123 transitions. [2024-12-02 06:38:53,319 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7782397782397782 [2024-12-02 06:38:53,319 INFO L175 Difference]: Start difference. First operand has 234 places, 357 transitions, 3183 flow. Second operand 13 states and 1123 transitions. [2024-12-02 06:38:53,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 351 transitions, 3102 flow [2024-12-02 06:38:53,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 351 transitions, 3034 flow, removed 10 selfloop flow, removed 10 redundant places. [2024-12-02 06:38:53,371 INFO L231 Difference]: Finished difference. Result has 237 places, 329 transitions, 2822 flow [2024-12-02 06:38:53,371 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2764, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2822, PETRI_PLACES=237, PETRI_TRANSITIONS=329} [2024-12-02 06:38:53,371 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 123 predicate places. [2024-12-02 06:38:53,371 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 329 transitions, 2822 flow [2024-12-02 06:38:53,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:53,372 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:53,372 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:53,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 06:38:53,372 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:53,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:53,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1599082624, now seen corresponding path program 15 times [2024-12-02 06:38:53,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:53,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796465489] [2024-12-02 06:38:53,373 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 06:38:53,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:53,383 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-12-02 06:38:53,383 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:38:53,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:53,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:53,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796465489] [2024-12-02 06:38:53,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796465489] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:53,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:53,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:38:53,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450851568] [2024-12-02 06:38:53,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:53,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:38:53,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:53,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:38:53,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:38:54,239 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:38:54,240 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 329 transitions, 2822 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:54,241 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:54,241 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:38:54,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:54,738 INFO L124 PetriNetUnfolderBase]: 554/2141 cut-off events. [2024-12-02 06:38:54,738 INFO L125 PetriNetUnfolderBase]: For 5759/5864 co-relation queries the response was YES. [2024-12-02 06:38:54,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7407 conditions, 2141 events. 554/2141 cut-off events. For 5759/5864 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 16924 event pairs, 24 based on Foata normal form. 7/2140 useless extension candidates. Maximal degree in co-relation 7346. Up to 355 conditions per place. [2024-12-02 06:38:54,752 INFO L140 encePairwiseOnDemand]: 94/111 looper letters, 39 selfloop transitions, 20 changer transitions 8/289 dead transitions. [2024-12-02 06:38:54,753 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 289 transitions, 2287 flow [2024-12-02 06:38:54,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:38:54,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:38:54,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1115 transitions. [2024-12-02 06:38:54,754 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7726957726957727 [2024-12-02 06:38:54,754 INFO L175 Difference]: Start difference. First operand has 237 places, 329 transitions, 2822 flow. Second operand 13 states and 1115 transitions. [2024-12-02 06:38:54,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 289 transitions, 2287 flow [2024-12-02 06:38:54,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 289 transitions, 2116 flow, removed 53 selfloop flow, removed 28 redundant places. [2024-12-02 06:38:54,805 INFO L231 Difference]: Finished difference. Result has 209 places, 268 transitions, 1901 flow [2024-12-02 06:38:54,805 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1910, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1901, PETRI_PLACES=209, PETRI_TRANSITIONS=268} [2024-12-02 06:38:54,805 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 95 predicate places. [2024-12-02 06:38:54,806 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 268 transitions, 1901 flow [2024-12-02 06:38:54,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:54,806 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:54,806 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:54,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 06:38:54,807 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:54,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:54,807 INFO L85 PathProgramCache]: Analyzing trace with hash -800481570, now seen corresponding path program 16 times [2024-12-02 06:38:54,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:54,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814875215] [2024-12-02 06:38:54,807 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 06:38:54,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:54,823 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 06:38:54,823 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:38:55,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:55,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:55,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814875215] [2024-12-02 06:38:55,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814875215] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:55,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:55,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 06:38:55,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326090102] [2024-12-02 06:38:55,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:55,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 06:38:55,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:55,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 06:38:55,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-12-02 06:38:55,638 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 111 [2024-12-02 06:38:55,639 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 268 transitions, 1901 flow. Second operand has 15 states, 15 states have (on average 73.6) internal successors, (1104), 15 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:55,639 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:55,639 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 111 [2024-12-02 06:38:55,640 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:56,702 INFO L124 PetriNetUnfolderBase]: 1178/3689 cut-off events. [2024-12-02 06:38:56,702 INFO L125 PetriNetUnfolderBase]: For 12006/12265 co-relation queries the response was YES. [2024-12-02 06:38:56,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13840 conditions, 3689 events. 1178/3689 cut-off events. For 12006/12265 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 31020 event pairs, 100 based on Foata normal form. 71/3737 useless extension candidates. Maximal degree in co-relation 13795. Up to 648 conditions per place. [2024-12-02 06:38:56,720 INFO L140 encePairwiseOnDemand]: 88/111 looper letters, 447 selfloop transitions, 112 changer transitions 34/688 dead transitions. [2024-12-02 06:38:56,721 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 688 transitions, 6797 flow [2024-12-02 06:38:56,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 06:38:56,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-12-02 06:38:56,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1569 transitions. [2024-12-02 06:38:56,723 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7439544807965861 [2024-12-02 06:38:56,723 INFO L175 Difference]: Start difference. First operand has 209 places, 268 transitions, 1901 flow. Second operand 19 states and 1569 transitions. [2024-12-02 06:38:56,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 688 transitions, 6797 flow [2024-12-02 06:38:56,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 688 transitions, 6661 flow, removed 9 selfloop flow, removed 14 redundant places. [2024-12-02 06:38:56,761 INFO L231 Difference]: Finished difference. Result has 214 places, 356 transitions, 3174 flow [2024-12-02 06:38:56,761 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1825, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=3174, PETRI_PLACES=214, PETRI_TRANSITIONS=356} [2024-12-02 06:38:56,761 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 100 predicate places. [2024-12-02 06:38:56,762 INFO L471 AbstractCegarLoop]: Abstraction has has 214 places, 356 transitions, 3174 flow [2024-12-02 06:38:56,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 73.6) internal successors, (1104), 15 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:56,762 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:56,762 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:56,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-12-02 06:38:56,762 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:56,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:56,763 INFO L85 PathProgramCache]: Analyzing trace with hash 241982272, now seen corresponding path program 17 times [2024-12-02 06:38:56,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:56,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86946960] [2024-12-02 06:38:56,763 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-02 06:38:56,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:56,777 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 06:38:56,777 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:38:57,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:57,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:57,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86946960] [2024-12-02 06:38:57,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86946960] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:57,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:57,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:38:57,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125757753] [2024-12-02 06:38:57,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:57,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:38:57,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:57,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:38:57,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:38:57,471 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:38:57,473 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 356 transitions, 3174 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:57,473 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:57,473 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:38:57,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:58,031 INFO L124 PetriNetUnfolderBase]: 872/3064 cut-off events. [2024-12-02 06:38:58,031 INFO L125 PetriNetUnfolderBase]: For 9144/9310 co-relation queries the response was YES. [2024-12-02 06:38:58,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10919 conditions, 3064 events. 872/3064 cut-off events. For 9144/9310 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 26487 event pairs, 35 based on Foata normal form. 27/3081 useless extension candidates. Maximal degree in co-relation 10869. Up to 536 conditions per place. [2024-12-02 06:38:58,045 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 36 selfloop transitions, 33 changer transitions 10/371 dead transitions. [2024-12-02 06:38:58,045 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 371 transitions, 3418 flow [2024-12-02 06:38:58,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:38:58,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:38:58,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1122 transitions. [2024-12-02 06:38:58,047 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7775467775467776 [2024-12-02 06:38:58,047 INFO L175 Difference]: Start difference. First operand has 214 places, 356 transitions, 3174 flow. Second operand 13 states and 1122 transitions. [2024-12-02 06:38:58,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 371 transitions, 3418 flow [2024-12-02 06:38:58,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 371 transitions, 3357 flow, removed 13 selfloop flow, removed 6 redundant places. [2024-12-02 06:38:58,091 INFO L231 Difference]: Finished difference. Result has 221 places, 350 transitions, 3123 flow [2024-12-02 06:38:58,091 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3115, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=323, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3123, PETRI_PLACES=221, PETRI_TRANSITIONS=350} [2024-12-02 06:38:58,092 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 107 predicate places. [2024-12-02 06:38:58,092 INFO L471 AbstractCegarLoop]: Abstraction has has 221 places, 350 transitions, 3123 flow [2024-12-02 06:38:58,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:58,092 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:58,092 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:58,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-12-02 06:38:58,092 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:58,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:58,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1832667520, now seen corresponding path program 1 times [2024-12-02 06:38:58,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:58,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281277226] [2024-12-02 06:38:58,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:38:58,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:38:58,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:58,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:58,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281277226] [2024-12-02 06:38:58,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281277226] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:58,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:58,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:38:58,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798316042] [2024-12-02 06:38:58,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:58,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:38:58,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:58,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:38:58,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:38:58,840 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:38:58,841 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 350 transitions, 3123 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:58,841 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:38:58,841 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:38:58,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:38:59,279 INFO L124 PetriNetUnfolderBase]: 552/2095 cut-off events. [2024-12-02 06:38:59,280 INFO L125 PetriNetUnfolderBase]: For 5940/6053 co-relation queries the response was YES. [2024-12-02 06:38:59,285 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7303 conditions, 2095 events. 552/2095 cut-off events. For 5940/6053 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 16491 event pairs, 24 based on Foata normal form. 13/2102 useless extension candidates. Maximal degree in co-relation 7252. Up to 353 conditions per place. [2024-12-02 06:38:59,288 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 34 selfloop transitions, 22 changer transitions 6/307 dead transitions. [2024-12-02 06:38:59,288 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 307 transitions, 2612 flow [2024-12-02 06:38:59,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:38:59,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:38:59,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1121 transitions. [2024-12-02 06:38:59,290 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7768537768537769 [2024-12-02 06:38:59,290 INFO L175 Difference]: Start difference. First operand has 221 places, 350 transitions, 3123 flow. Second operand 13 states and 1121 transitions. [2024-12-02 06:38:59,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 307 transitions, 2612 flow [2024-12-02 06:38:59,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 307 transitions, 2491 flow, removed 35 selfloop flow, removed 17 redundant places. [2024-12-02 06:38:59,322 INFO L231 Difference]: Finished difference. Result has 209 places, 292 transitions, 2316 flow [2024-12-02 06:38:59,322 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2325, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2316, PETRI_PLACES=209, PETRI_TRANSITIONS=292} [2024-12-02 06:38:59,322 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 95 predicate places. [2024-12-02 06:38:59,322 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 292 transitions, 2316 flow [2024-12-02 06:38:59,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:38:59,322 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:38:59,322 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:38:59,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-12-02 06:38:59,322 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:38:59,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:38:59,323 INFO L85 PathProgramCache]: Analyzing trace with hash 561788662, now seen corresponding path program 18 times [2024-12-02 06:38:59,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:38:59,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247381081] [2024-12-02 06:38:59,323 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-02 06:38:59,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:38:59,333 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-12-02 06:38:59,333 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:38:59,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:38:59,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:38:59,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247381081] [2024-12-02 06:38:59,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247381081] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:38:59,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:38:59,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:38:59,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766486108] [2024-12-02 06:38:59,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:38:59,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:38:59,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:38:59,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:38:59,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:39:00,057 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:39:00,058 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 292 transitions, 2316 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:00,058 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:39:00,058 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:39:00,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:39:00,382 INFO L124 PetriNetUnfolderBase]: 281/1213 cut-off events. [2024-12-02 06:39:00,382 INFO L125 PetriNetUnfolderBase]: For 2609/2676 co-relation queries the response was YES. [2024-12-02 06:39:00,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3901 conditions, 1213 events. 281/1213 cut-off events. For 2609/2676 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 8072 event pairs, 14 based on Foata normal form. 8/1218 useless extension candidates. Maximal degree in co-relation 3857. Up to 185 conditions per place. [2024-12-02 06:39:00,386 INFO L140 encePairwiseOnDemand]: 94/111 looper letters, 27 selfloop transitions, 13 changer transitions 14/280 dead transitions. [2024-12-02 06:39:00,386 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 280 transitions, 2133 flow [2024-12-02 06:39:00,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:39:00,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:39:00,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1115 transitions. [2024-12-02 06:39:00,387 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7726957726957727 [2024-12-02 06:39:00,387 INFO L175 Difference]: Start difference. First operand has 209 places, 292 transitions, 2316 flow. Second operand 13 states and 1115 transitions. [2024-12-02 06:39:00,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 280 transitions, 2133 flow [2024-12-02 06:39:00,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 280 transitions, 2062 flow, removed 12 selfloop flow, removed 15 redundant places. [2024-12-02 06:39:00,401 INFO L231 Difference]: Finished difference. Result has 201 places, 258 transitions, 1841 flow [2024-12-02 06:39:00,401 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1897, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=255, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1841, PETRI_PLACES=201, PETRI_TRANSITIONS=258} [2024-12-02 06:39:00,401 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 87 predicate places. [2024-12-02 06:39:00,401 INFO L471 AbstractCegarLoop]: Abstraction has has 201 places, 258 transitions, 1841 flow [2024-12-02 06:39:00,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:00,401 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:39:00,401 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:39:00,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-12-02 06:39:00,401 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:39:00,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:39:00,402 INFO L85 PathProgramCache]: Analyzing trace with hash -808000192, now seen corresponding path program 19 times [2024-12-02 06:39:00,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:39:00,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306547611] [2024-12-02 06:39:00,402 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-02 06:39:00,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:39:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:39:00,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:39:00,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:39:00,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306547611] [2024-12-02 06:39:00,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306547611] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:39:00,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:39:00,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:39:00,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781598151] [2024-12-02 06:39:00,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:39:00,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:39:00,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:39:00,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:39:00,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:39:01,257 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:39:01,258 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 258 transitions, 1841 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:01,258 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:39:01,258 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:39:01,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:39:01,597 INFO L124 PetriNetUnfolderBase]: 284/1251 cut-off events. [2024-12-02 06:39:01,597 INFO L125 PetriNetUnfolderBase]: For 2562/2605 co-relation queries the response was YES. [2024-12-02 06:39:01,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3971 conditions, 1251 events. 284/1251 cut-off events. For 2562/2605 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 8574 event pairs, 18 based on Foata normal form. 9/1258 useless extension candidates. Maximal degree in co-relation 3931. Up to 207 conditions per place. [2024-12-02 06:39:01,601 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 29 selfloop transitions, 15 changer transitions 19/287 dead transitions. [2024-12-02 06:39:01,601 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 287 transitions, 2168 flow [2024-12-02 06:39:01,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:39:01,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:39:01,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1123 transitions. [2024-12-02 06:39:01,602 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7782397782397782 [2024-12-02 06:39:01,602 INFO L175 Difference]: Start difference. First operand has 201 places, 258 transitions, 1841 flow. Second operand 13 states and 1123 transitions. [2024-12-02 06:39:01,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 287 transitions, 2168 flow [2024-12-02 06:39:01,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 287 transitions, 1982 flow, removed 4 selfloop flow, removed 17 redundant places. [2024-12-02 06:39:01,616 INFO L231 Difference]: Finished difference. Result has 185 places, 255 transitions, 1777 flow [2024-12-02 06:39:01,616 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1755, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1777, PETRI_PLACES=185, PETRI_TRANSITIONS=255} [2024-12-02 06:39:01,616 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 71 predicate places. [2024-12-02 06:39:01,616 INFO L471 AbstractCegarLoop]: Abstraction has has 185 places, 255 transitions, 1777 flow [2024-12-02 06:39:01,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:01,617 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:39:01,617 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:39:01,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-12-02 06:39:01,617 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:39:01,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:39:01,617 INFO L85 PathProgramCache]: Analyzing trace with hash 436745674, now seen corresponding path program 20 times [2024-12-02 06:39:01,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:39:01,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552212564] [2024-12-02 06:39:01,617 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 06:39:01,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:39:01,627 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 06:39:01,627 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:39:01,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:39:01,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:39:01,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552212564] [2024-12-02 06:39:01,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552212564] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:39:01,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:39:01,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:39:01,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870309084] [2024-12-02 06:39:01,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:39:01,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:39:01,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:39:01,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:39:01,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:39:02,341 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:39:02,342 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 255 transitions, 1777 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:02,342 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:39:02,342 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:39:02,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:39:02,752 INFO L124 PetriNetUnfolderBase]: 527/1966 cut-off events. [2024-12-02 06:39:02,752 INFO L125 PetriNetUnfolderBase]: For 3861/3962 co-relation queries the response was YES. [2024-12-02 06:39:02,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6236 conditions, 1966 events. 527/1966 cut-off events. For 3861/3962 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 15113 event pairs, 21 based on Foata normal form. 11/1972 useless extension candidates. Maximal degree in co-relation 6198. Up to 341 conditions per place. [2024-12-02 06:39:02,759 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 28 selfloop transitions, 22 changer transitions 2/276 dead transitions. [2024-12-02 06:39:02,759 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 276 transitions, 1978 flow [2024-12-02 06:39:02,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:39:02,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:39:02,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1117 transitions. [2024-12-02 06:39:02,760 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.774081774081774 [2024-12-02 06:39:02,760 INFO L175 Difference]: Start difference. First operand has 185 places, 255 transitions, 1777 flow. Second operand 13 states and 1117 transitions. [2024-12-02 06:39:02,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 276 transitions, 1978 flow [2024-12-02 06:39:02,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 276 transitions, 1912 flow, removed 6 selfloop flow, removed 12 redundant places. [2024-12-02 06:39:02,777 INFO L231 Difference]: Finished difference. Result has 185 places, 261 transitions, 1837 flow [2024-12-02 06:39:02,777 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1738, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1837, PETRI_PLACES=185, PETRI_TRANSITIONS=261} [2024-12-02 06:39:02,777 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 71 predicate places. [2024-12-02 06:39:02,777 INFO L471 AbstractCegarLoop]: Abstraction has has 185 places, 261 transitions, 1837 flow [2024-12-02 06:39:02,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:02,777 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:39:02,777 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:39:02,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-12-02 06:39:02,777 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:39:02,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:39:02,778 INFO L85 PathProgramCache]: Analyzing trace with hash 2007155008, now seen corresponding path program 10 times [2024-12-02 06:39:02,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:39:02,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358105645] [2024-12-02 06:39:02,778 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 06:39:02,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:39:02,796 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 06:39:02,796 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:39:03,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:39:03,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:39:03,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358105645] [2024-12-02 06:39:03,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358105645] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:39:03,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:39:03,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:39:03,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416819171] [2024-12-02 06:39:03,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:39:03,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:39:03,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:39:03,149 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:39:03,149 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:39:03,661 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:39:03,662 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 261 transitions, 1837 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:03,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:39:03,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:39:03,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:39:04,141 INFO L124 PetriNetUnfolderBase]: 800/2898 cut-off events. [2024-12-02 06:39:04,141 INFO L125 PetriNetUnfolderBase]: For 6176/6306 co-relation queries the response was YES. [2024-12-02 06:39:04,149 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9435 conditions, 2898 events. 800/2898 cut-off events. For 6176/6306 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 24845 event pairs, 36 based on Foata normal form. 16/2908 useless extension candidates. Maximal degree in co-relation 9397. Up to 536 conditions per place. [2024-12-02 06:39:04,153 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 39 selfloop transitions, 20 changer transitions 7/290 dead transitions. [2024-12-02 06:39:04,153 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 290 transitions, 2133 flow [2024-12-02 06:39:04,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:39:04,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:39:04,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1121 transitions. [2024-12-02 06:39:04,154 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7768537768537769 [2024-12-02 06:39:04,154 INFO L175 Difference]: Start difference. First operand has 185 places, 261 transitions, 1837 flow. Second operand 13 states and 1121 transitions. [2024-12-02 06:39:04,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 290 transitions, 2133 flow [2024-12-02 06:39:04,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 290 transitions, 2076 flow, removed 2 selfloop flow, removed 9 redundant places. [2024-12-02 06:39:04,181 INFO L231 Difference]: Finished difference. Result has 192 places, 267 transitions, 1914 flow [2024-12-02 06:39:04,181 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1806, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1914, PETRI_PLACES=192, PETRI_TRANSITIONS=267} [2024-12-02 06:39:04,181 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 78 predicate places. [2024-12-02 06:39:04,181 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 267 transitions, 1914 flow [2024-12-02 06:39:04,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:04,182 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:39:04,182 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:39:04,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-12-02 06:39:04,182 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:39:04,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:39:04,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1894790072, now seen corresponding path program 11 times [2024-12-02 06:39:04,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:39:04,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78433697] [2024-12-02 06:39:04,183 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-02 06:39:04,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:39:04,194 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 06:39:04,194 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:39:04,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:39:04,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:39:04,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78433697] [2024-12-02 06:39:04,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78433697] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:39:04,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:39:04,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:39:04,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171338938] [2024-12-02 06:39:04,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:39:04,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:39:04,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:39:04,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:39:04,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:39:04,859 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:39:04,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 267 transitions, 1914 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:04,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:39:04,860 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:39:04,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:39:05,459 INFO L124 PetriNetUnfolderBase]: 1066/3727 cut-off events. [2024-12-02 06:39:05,459 INFO L125 PetriNetUnfolderBase]: For 8777/8995 co-relation queries the response was YES. [2024-12-02 06:39:05,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12382 conditions, 3727 events. 1066/3727 cut-off events. For 8777/8995 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 33748 event pairs, 44 based on Foata normal form. 18/3736 useless extension candidates. Maximal degree in co-relation 12340. Up to 687 conditions per place. [2024-12-02 06:39:05,475 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 35 selfloop transitions, 27 changer transitions 3/289 dead transitions. [2024-12-02 06:39:05,475 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 289 transitions, 2193 flow [2024-12-02 06:39:05,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:39:05,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:39:05,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1121 transitions. [2024-12-02 06:39:05,476 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7768537768537769 [2024-12-02 06:39:05,476 INFO L175 Difference]: Start difference. First operand has 192 places, 267 transitions, 1914 flow. Second operand 13 states and 1121 transitions. [2024-12-02 06:39:05,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 289 transitions, 2193 flow [2024-12-02 06:39:05,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 289 transitions, 2141 flow, removed 8 selfloop flow, removed 9 redundant places. [2024-12-02 06:39:05,512 INFO L231 Difference]: Finished difference. Result has 198 places, 275 transitions, 2029 flow [2024-12-02 06:39:05,512 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1878, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2029, PETRI_PLACES=198, PETRI_TRANSITIONS=275} [2024-12-02 06:39:05,512 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 84 predicate places. [2024-12-02 06:39:05,512 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 275 transitions, 2029 flow [2024-12-02 06:39:05,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:05,512 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:39:05,513 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:39:05,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-12-02 06:39:05,513 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:39:05,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:39:05,513 INFO L85 PathProgramCache]: Analyzing trace with hash -916589858, now seen corresponding path program 12 times [2024-12-02 06:39:05,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:39:05,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997154592] [2024-12-02 06:39:05,514 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-02 06:39:05,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:39:05,523 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-12-02 06:39:05,523 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:39:05,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:39:05,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:39:05,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997154592] [2024-12-02 06:39:05,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997154592] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:39:05,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:39:05,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:39:05,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104302100] [2024-12-02 06:39:05,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:39:05,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:39:05,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:39:05,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:39:05,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:39:06,179 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:39:06,180 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 275 transitions, 2029 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:06,180 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:39:06,180 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:39:06,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:39:06,854 INFO L124 PetriNetUnfolderBase]: 1341/4672 cut-off events. [2024-12-02 06:39:06,854 INFO L125 PetriNetUnfolderBase]: For 11944/12216 co-relation queries the response was YES. [2024-12-02 06:39:06,869 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15860 conditions, 4672 events. 1341/4672 cut-off events. For 11944/12216 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 44417 event pairs, 66 based on Foata normal form. 23/4684 useless extension candidates. Maximal degree in co-relation 15815. Up to 865 conditions per place. [2024-12-02 06:39:06,876 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 50 selfloop transitions, 25 changer transitions 6/305 dead transitions. [2024-12-02 06:39:06,876 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 305 transitions, 2414 flow [2024-12-02 06:39:06,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:39:06,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:39:06,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1127 transitions. [2024-12-02 06:39:06,877 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.781011781011781 [2024-12-02 06:39:06,877 INFO L175 Difference]: Start difference. First operand has 198 places, 275 transitions, 2029 flow. Second operand 13 states and 1127 transitions. [2024-12-02 06:39:06,877 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 305 transitions, 2414 flow [2024-12-02 06:39:06,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 305 transitions, 2357 flow, removed 8 selfloop flow, removed 8 redundant places. [2024-12-02 06:39:06,929 INFO L231 Difference]: Finished difference. Result has 207 places, 282 transitions, 2141 flow [2024-12-02 06:39:06,929 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1985, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2141, PETRI_PLACES=207, PETRI_TRANSITIONS=282} [2024-12-02 06:39:06,930 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 93 predicate places. [2024-12-02 06:39:06,930 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 282 transitions, 2141 flow [2024-12-02 06:39:06,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:06,930 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:39:06,930 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:39:06,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-12-02 06:39:06,930 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:39:06,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:39:06,931 INFO L85 PathProgramCache]: Analyzing trace with hash -547508598, now seen corresponding path program 13 times [2024-12-02 06:39:06,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:39:06,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529726295] [2024-12-02 06:39:06,931 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-02 06:39:06,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:39:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:39:07,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:39:07,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:39:07,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529726295] [2024-12-02 06:39:07,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529726295] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:39:07,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:39:07,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:39:07,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727936412] [2024-12-02 06:39:07,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:39:07,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:39:07,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:39:07,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:39:07,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:39:07,624 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:39:07,625 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 282 transitions, 2141 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:07,625 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:39:07,625 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:39:07,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:39:08,320 INFO L124 PetriNetUnfolderBase]: 1341/4682 cut-off events. [2024-12-02 06:39:08,320 INFO L125 PetriNetUnfolderBase]: For 12670/12926 co-relation queries the response was YES. [2024-12-02 06:39:08,336 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16053 conditions, 4682 events. 1341/4682 cut-off events. For 12670/12926 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 44602 event pairs, 58 based on Foata normal form. 32/4704 useless extension candidates. Maximal degree in co-relation 16003. Up to 885 conditions per place. [2024-12-02 06:39:08,344 INFO L140 encePairwiseOnDemand]: 91/111 looper letters, 47 selfloop transitions, 29 changer transitions 10/308 dead transitions. [2024-12-02 06:39:08,344 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 308 transitions, 2517 flow [2024-12-02 06:39:08,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:39:08,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:39:08,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1120 transitions. [2024-12-02 06:39:08,345 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7761607761607762 [2024-12-02 06:39:08,345 INFO L175 Difference]: Start difference. First operand has 207 places, 282 transitions, 2141 flow. Second operand 13 states and 1120 transitions. [2024-12-02 06:39:08,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 308 transitions, 2517 flow [2024-12-02 06:39:08,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 308 transitions, 2446 flow, removed 22 selfloop flow, removed 8 redundant places. [2024-12-02 06:39:08,397 INFO L231 Difference]: Finished difference. Result has 214 places, 281 transitions, 2175 flow [2024-12-02 06:39:08,397 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2089, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2175, PETRI_PLACES=214, PETRI_TRANSITIONS=281} [2024-12-02 06:39:08,397 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 100 predicate places. [2024-12-02 06:39:08,397 INFO L471 AbstractCegarLoop]: Abstraction has has 214 places, 281 transitions, 2175 flow [2024-12-02 06:39:08,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:08,397 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:39:08,397 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:39:08,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-12-02 06:39:08,398 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:39:08,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:39:08,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1563784084, now seen corresponding path program 14 times [2024-12-02 06:39:08,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:39:08,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965064726] [2024-12-02 06:39:08,398 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 06:39:08,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:39:08,409 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 06:39:08,409 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:39:08,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:39:08,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:39:08,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965064726] [2024-12-02 06:39:08,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965064726] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:39:08,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:39:08,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:39:08,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548792255] [2024-12-02 06:39:08,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:39:08,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:39:08,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:39:08,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:39:08,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:39:09,137 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:39:09,137 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 281 transitions, 2175 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:09,138 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:39:09,138 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:39:09,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:39:09,825 INFO L124 PetriNetUnfolderBase]: 1331/4559 cut-off events. [2024-12-02 06:39:09,825 INFO L125 PetriNetUnfolderBase]: For 13041/13307 co-relation queries the response was YES. [2024-12-02 06:39:09,842 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15830 conditions, 4559 events. 1331/4559 cut-off events. For 13041/13307 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 43127 event pairs, 60 based on Foata normal form. 21/4570 useless extension candidates. Maximal degree in co-relation 15777. Up to 837 conditions per place. [2024-12-02 06:39:09,849 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 43 selfloop transitions, 28 changer transitions 1/294 dead transitions. [2024-12-02 06:39:09,849 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 294 transitions, 2443 flow [2024-12-02 06:39:09,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:39:09,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:39:09,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1122 transitions. [2024-12-02 06:39:09,851 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7775467775467776 [2024-12-02 06:39:09,851 INFO L175 Difference]: Start difference. First operand has 214 places, 281 transitions, 2175 flow. Second operand 13 states and 1122 transitions. [2024-12-02 06:39:09,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 294 transitions, 2443 flow [2024-12-02 06:39:09,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 294 transitions, 2310 flow, removed 27 selfloop flow, removed 13 redundant places. [2024-12-02 06:39:09,906 INFO L231 Difference]: Finished difference. Result has 215 places, 286 transitions, 2205 flow [2024-12-02 06:39:09,907 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2074, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2205, PETRI_PLACES=215, PETRI_TRANSITIONS=286} [2024-12-02 06:39:09,907 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 101 predicate places. [2024-12-02 06:39:09,907 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 286 transitions, 2205 flow [2024-12-02 06:39:09,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:09,907 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:39:09,907 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:39:09,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-12-02 06:39:09,907 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:39:09,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:39:09,908 INFO L85 PathProgramCache]: Analyzing trace with hash 711019120, now seen corresponding path program 15 times [2024-12-02 06:39:09,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:39:09,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709361254] [2024-12-02 06:39:09,908 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 06:39:09,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:39:09,917 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-12-02 06:39:09,917 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:39:10,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:39:10,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:39:10,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709361254] [2024-12-02 06:39:10,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709361254] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:39:10,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:39:10,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:39:10,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917135424] [2024-12-02 06:39:10,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:39:10,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:39:10,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:39:10,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:39:10,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:39:10,680 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:39:10,681 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 286 transitions, 2205 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:10,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:39:10,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:39:10,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:39:11,477 INFO L124 PetriNetUnfolderBase]: 1595/5447 cut-off events. [2024-12-02 06:39:11,477 INFO L125 PetriNetUnfolderBase]: For 15534/15805 co-relation queries the response was YES. [2024-12-02 06:39:11,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18823 conditions, 5447 events. 1595/5447 cut-off events. For 15534/15805 co-relation queries the response was YES. Maximal size of possible extension queue 357. Compared 53655 event pairs, 71 based on Foata normal form. 21/5456 useless extension candidates. Maximal degree in co-relation 18770. Up to 1016 conditions per place. [2024-12-02 06:39:11,506 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 50 selfloop transitions, 28 changer transitions 5/305 dead transitions. [2024-12-02 06:39:11,506 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 305 transitions, 2561 flow [2024-12-02 06:39:11,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:39:11,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:39:11,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1123 transitions. [2024-12-02 06:39:11,508 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7782397782397782 [2024-12-02 06:39:11,508 INFO L175 Difference]: Start difference. First operand has 215 places, 286 transitions, 2205 flow. Second operand 13 states and 1123 transitions. [2024-12-02 06:39:11,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 305 transitions, 2561 flow [2024-12-02 06:39:11,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 305 transitions, 2461 flow, removed 32 selfloop flow, removed 8 redundant places. [2024-12-02 06:39:11,574 INFO L231 Difference]: Finished difference. Result has 222 places, 292 transitions, 2291 flow [2024-12-02 06:39:11,574 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2144, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2291, PETRI_PLACES=222, PETRI_TRANSITIONS=292} [2024-12-02 06:39:11,575 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 108 predicate places. [2024-12-02 06:39:11,575 INFO L471 AbstractCegarLoop]: Abstraction has has 222 places, 292 transitions, 2291 flow [2024-12-02 06:39:11,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:11,575 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:39:11,575 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:39:11,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-12-02 06:39:11,575 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:39:11,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:39:11,576 INFO L85 PathProgramCache]: Analyzing trace with hash 2081631608, now seen corresponding path program 16 times [2024-12-02 06:39:11,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:39:11,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153148384] [2024-12-02 06:39:11,576 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 06:39:11,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:39:11,586 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 06:39:11,586 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:39:11,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:39:11,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:39:11,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153148384] [2024-12-02 06:39:11,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153148384] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:39:11,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:39:11,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 06:39:11,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700004567] [2024-12-02 06:39:11,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:39:11,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 06:39:11,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:39:11,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 06:39:11,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-12-02 06:39:12,406 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 111 [2024-12-02 06:39:12,407 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 292 transitions, 2291 flow. Second operand has 15 states, 15 states have (on average 73.6) internal successors, (1104), 15 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:12,407 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:39:12,407 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 111 [2024-12-02 06:39:12,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:39:13,983 INFO L124 PetriNetUnfolderBase]: 2473/7474 cut-off events. [2024-12-02 06:39:13,984 INFO L125 PetriNetUnfolderBase]: For 32229/33004 co-relation queries the response was YES. [2024-12-02 06:39:14,009 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29913 conditions, 7474 events. 2473/7474 cut-off events. For 32229/33004 co-relation queries the response was YES. Maximal size of possible extension queue 435. Compared 73518 event pairs, 311 based on Foata normal form. 148/7573 useless extension candidates. Maximal degree in co-relation 29857. Up to 1383 conditions per place. [2024-12-02 06:39:14,022 INFO L140 encePairwiseOnDemand]: 88/111 looper letters, 567 selfloop transitions, 140 changer transitions 27/826 dead transitions. [2024-12-02 06:39:14,022 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 826 transitions, 8775 flow [2024-12-02 06:39:14,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-02 06:39:14,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-12-02 06:39:14,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1652 transitions. [2024-12-02 06:39:14,024 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7441441441441441 [2024-12-02 06:39:14,024 INFO L175 Difference]: Start difference. First operand has 222 places, 292 transitions, 2291 flow. Second operand 20 states and 1652 transitions. [2024-12-02 06:39:14,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 826 transitions, 8775 flow [2024-12-02 06:39:14,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 826 transitions, 8721 flow, removed 5 selfloop flow, removed 9 redundant places. [2024-12-02 06:39:14,123 INFO L231 Difference]: Finished difference. Result has 241 places, 400 transitions, 4081 flow [2024-12-02 06:39:14,124 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2249, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=4081, PETRI_PLACES=241, PETRI_TRANSITIONS=400} [2024-12-02 06:39:14,124 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 127 predicate places. [2024-12-02 06:39:14,124 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 400 transitions, 4081 flow [2024-12-02 06:39:14,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 73.6) internal successors, (1104), 15 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:14,124 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:39:14,124 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:39:14,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-12-02 06:39:14,124 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:39:14,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:39:14,125 INFO L85 PathProgramCache]: Analyzing trace with hash 548065722, now seen corresponding path program 17 times [2024-12-02 06:39:14,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:39:14,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812645041] [2024-12-02 06:39:14,125 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-02 06:39:14,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:39:14,137 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 06:39:14,137 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:39:14,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:39:14,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:39:14,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812645041] [2024-12-02 06:39:14,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812645041] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:39:14,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:39:14,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:39:14,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297828361] [2024-12-02 06:39:14,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:39:14,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:39:14,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:39:14,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:39:14,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:39:15,002 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:39:15,003 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 400 transitions, 4081 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:15,003 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:39:15,003 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:39:15,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:39:15,813 INFO L124 PetriNetUnfolderBase]: 1638/5611 cut-off events. [2024-12-02 06:39:15,813 INFO L125 PetriNetUnfolderBase]: For 20504/20818 co-relation queries the response was YES. [2024-12-02 06:39:15,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20636 conditions, 5611 events. 1638/5611 cut-off events. For 20504/20818 co-relation queries the response was YES. Maximal size of possible extension queue 363. Compared 55502 event pairs, 72 based on Foata normal form. 21/5619 useless extension candidates. Maximal degree in co-relation 20571. Up to 1051 conditions per place. [2024-12-02 06:39:15,848 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 56 selfloop transitions, 24 changer transitions 9/407 dead transitions. [2024-12-02 06:39:15,848 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 407 transitions, 4283 flow [2024-12-02 06:39:15,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:39:15,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:39:15,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1119 transitions. [2024-12-02 06:39:15,850 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7754677754677755 [2024-12-02 06:39:15,850 INFO L175 Difference]: Start difference. First operand has 241 places, 400 transitions, 4081 flow. Second operand 13 states and 1119 transitions. [2024-12-02 06:39:15,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 407 transitions, 4283 flow [2024-12-02 06:39:15,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 407 transitions, 4187 flow, removed 17 selfloop flow, removed 7 redundant places. [2024-12-02 06:39:15,970 INFO L231 Difference]: Finished difference. Result has 248 places, 394 transitions, 3956 flow [2024-12-02 06:39:15,970 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3923, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3956, PETRI_PLACES=248, PETRI_TRANSITIONS=394} [2024-12-02 06:39:15,970 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 134 predicate places. [2024-12-02 06:39:15,970 INFO L471 AbstractCegarLoop]: Abstraction has has 248 places, 394 transitions, 3956 flow [2024-12-02 06:39:15,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:15,970 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:39:15,970 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:39:15,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-12-02 06:39:15,971 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:39:15,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:39:15,971 INFO L85 PathProgramCache]: Analyzing trace with hash -591192638, now seen corresponding path program 18 times [2024-12-02 06:39:15,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:39:15,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923729380] [2024-12-02 06:39:15,971 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-02 06:39:15,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:39:15,980 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-12-02 06:39:15,980 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:39:16,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:39:16,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:39:16,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923729380] [2024-12-02 06:39:16,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923729380] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:39:16,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:39:16,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:39:16,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407034578] [2024-12-02 06:39:16,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:39:16,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:39:16,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:39:16,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:39:16,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:39:16,687 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:39:16,688 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 394 transitions, 3956 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:16,688 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:39:16,688 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:39:16,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:39:17,589 INFO L124 PetriNetUnfolderBase]: 1637/5546 cut-off events. [2024-12-02 06:39:17,589 INFO L125 PetriNetUnfolderBase]: For 19488/19783 co-relation queries the response was YES. [2024-12-02 06:39:17,609 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20171 conditions, 5546 events. 1637/5546 cut-off events. For 19488/19783 co-relation queries the response was YES. Maximal size of possible extension queue 363. Compared 54738 event pairs, 72 based on Foata normal form. 37/5571 useless extension candidates. Maximal degree in co-relation 20105. Up to 1049 conditions per place. [2024-12-02 06:39:17,618 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 46 selfloop transitions, 35 changer transitions 8/402 dead transitions. [2024-12-02 06:39:17,618 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 402 transitions, 4216 flow [2024-12-02 06:39:17,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:39:17,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:39:17,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1122 transitions. [2024-12-02 06:39:17,619 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7775467775467776 [2024-12-02 06:39:17,619 INFO L175 Difference]: Start difference. First operand has 248 places, 394 transitions, 3956 flow. Second operand 13 states and 1122 transitions. [2024-12-02 06:39:17,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 402 transitions, 4216 flow [2024-12-02 06:39:17,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 402 transitions, 4126 flow, removed 16 selfloop flow, removed 15 redundant places. [2024-12-02 06:39:17,706 INFO L231 Difference]: Finished difference. Result has 244 places, 390 transitions, 3939 flow [2024-12-02 06:39:17,706 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3887, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3939, PETRI_PLACES=244, PETRI_TRANSITIONS=390} [2024-12-02 06:39:17,706 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 130 predicate places. [2024-12-02 06:39:17,706 INFO L471 AbstractCegarLoop]: Abstraction has has 244 places, 390 transitions, 3939 flow [2024-12-02 06:39:17,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:17,706 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:39:17,706 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:39:17,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-12-02 06:39:17,706 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:39:17,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:39:17,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1834247090, now seen corresponding path program 19 times [2024-12-02 06:39:17,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:39:17,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206135827] [2024-12-02 06:39:17,707 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-02 06:39:17,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:39:17,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:39:17,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:39:17,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:39:17,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206135827] [2024-12-02 06:39:17,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206135827] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:39:17,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:39:17,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:39:17,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640811898] [2024-12-02 06:39:17,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:39:17,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:39:17,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:39:17,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:39:17,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:39:18,423 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:39:18,424 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 390 transitions, 3939 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:18,424 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:39:18,424 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:39:18,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:39:19,160 INFO L124 PetriNetUnfolderBase]: 1366/4734 cut-off events. [2024-12-02 06:39:19,160 INFO L125 PetriNetUnfolderBase]: For 16326/16573 co-relation queries the response was YES. [2024-12-02 06:39:19,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17243 conditions, 4734 events. 1366/4734 cut-off events. For 16326/16573 co-relation queries the response was YES. Maximal size of possible extension queue 305. Compared 45185 event pairs, 61 based on Foata normal form. 17/4741 useless extension candidates. Maximal degree in co-relation 17178. Up to 876 conditions per place. [2024-12-02 06:39:19,184 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 46 selfloop transitions, 27 changer transitions 8/375 dead transitions. [2024-12-02 06:39:19,184 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 375 transitions, 3786 flow [2024-12-02 06:39:19,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:39:19,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:39:19,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1123 transitions. [2024-12-02 06:39:19,185 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7782397782397782 [2024-12-02 06:39:19,185 INFO L175 Difference]: Start difference. First operand has 244 places, 390 transitions, 3939 flow. Second operand 13 states and 1123 transitions. [2024-12-02 06:39:19,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 375 transitions, 3786 flow [2024-12-02 06:39:19,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 375 transitions, 3724 flow, removed 8 selfloop flow, removed 9 redundant places. [2024-12-02 06:39:19,262 INFO L231 Difference]: Finished difference. Result has 246 places, 365 transitions, 3523 flow [2024-12-02 06:39:19,263 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3526, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3523, PETRI_PLACES=246, PETRI_TRANSITIONS=365} [2024-12-02 06:39:19,263 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 132 predicate places. [2024-12-02 06:39:19,263 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 365 transitions, 3523 flow [2024-12-02 06:39:19,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:19,263 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:39:19,263 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:39:19,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-12-02 06:39:19,263 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:39:19,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:39:19,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1064633108, now seen corresponding path program 20 times [2024-12-02 06:39:19,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:39:19,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73390443] [2024-12-02 06:39:19,264 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 06:39:19,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:39:19,275 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 06:39:19,275 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:39:19,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:39:19,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:39:19,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73390443] [2024-12-02 06:39:19,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73390443] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:39:19,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:39:19,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:39:19,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500133071] [2024-12-02 06:39:19,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:39:19,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:39:19,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:39:19,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:39:19,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:39:19,897 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:39:19,898 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 365 transitions, 3523 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:19,898 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:39:19,898 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:39:19,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:39:20,534 INFO L124 PetriNetUnfolderBase]: 1061/3738 cut-off events. [2024-12-02 06:39:20,534 INFO L125 PetriNetUnfolderBase]: For 12017/12208 co-relation queries the response was YES. [2024-12-02 06:39:20,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13371 conditions, 3738 events. 1061/3738 cut-off events. For 12017/12208 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 33894 event pairs, 52 based on Foata normal form. 14/3744 useless extension candidates. Maximal degree in co-relation 13306. Up to 680 conditions per place. [2024-12-02 06:39:20,553 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 37 selfloop transitions, 19 changer transitions 9/308 dead transitions. [2024-12-02 06:39:20,553 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 308 transitions, 2793 flow [2024-12-02 06:39:20,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:39:20,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:39:20,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1115 transitions. [2024-12-02 06:39:20,554 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7726957726957727 [2024-12-02 06:39:20,554 INFO L175 Difference]: Start difference. First operand has 246 places, 365 transitions, 3523 flow. Second operand 13 states and 1115 transitions. [2024-12-02 06:39:20,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 308 transitions, 2793 flow [2024-12-02 06:39:20,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 308 transitions, 2660 flow, removed 38 selfloop flow, removed 22 redundant places. [2024-12-02 06:39:20,615 INFO L231 Difference]: Finished difference. Result has 228 places, 298 transitions, 2472 flow [2024-12-02 06:39:20,615 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2530, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2472, PETRI_PLACES=228, PETRI_TRANSITIONS=298} [2024-12-02 06:39:20,615 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 114 predicate places. [2024-12-02 06:39:20,615 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 298 transitions, 2472 flow [2024-12-02 06:39:20,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:20,616 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:39:20,616 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:39:20,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-12-02 06:39:20,616 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:39:20,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:39:20,616 INFO L85 PathProgramCache]: Analyzing trace with hash -437621666, now seen corresponding path program 21 times [2024-12-02 06:39:20,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:39:20,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928212457] [2024-12-02 06:39:20,616 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 06:39:20,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:39:20,626 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-12-02 06:39:20,626 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:39:20,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:39:20,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:39:20,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928212457] [2024-12-02 06:39:20,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928212457] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:39:20,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:39:20,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:39:20,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921339332] [2024-12-02 06:39:20,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:39:20,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:39:20,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:39:20,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:39:20,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:39:21,375 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:39:21,375 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 298 transitions, 2472 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:21,375 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:39:21,375 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:39:21,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:39:21,889 INFO L124 PetriNetUnfolderBase]: 791/2889 cut-off events. [2024-12-02 06:39:21,889 INFO L125 PetriNetUnfolderBase]: For 7956/8102 co-relation queries the response was YES. [2024-12-02 06:39:21,898 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9906 conditions, 2889 events. 791/2889 cut-off events. For 7956/8102 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 24759 event pairs, 31 based on Foata normal form. 12/2895 useless extension candidates. Maximal degree in co-relation 9851. Up to 511 conditions per place. [2024-12-02 06:39:21,902 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 35 selfloop transitions, 22 changer transitions 8/308 dead transitions. [2024-12-02 06:39:21,902 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 308 transitions, 2645 flow [2024-12-02 06:39:21,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:39:21,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:39:21,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1111 transitions. [2024-12-02 06:39:21,903 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7699237699237699 [2024-12-02 06:39:21,903 INFO L175 Difference]: Start difference. First operand has 228 places, 298 transitions, 2472 flow. Second operand 13 states and 1111 transitions. [2024-12-02 06:39:21,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 308 transitions, 2645 flow [2024-12-02 06:39:21,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 308 transitions, 2557 flow, removed 16 selfloop flow, removed 17 redundant places. [2024-12-02 06:39:21,935 INFO L231 Difference]: Finished difference. Result has 214 places, 292 transitions, 2373 flow [2024-12-02 06:39:21,935 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2349, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2373, PETRI_PLACES=214, PETRI_TRANSITIONS=292} [2024-12-02 06:39:21,936 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 100 predicate places. [2024-12-02 06:39:21,936 INFO L471 AbstractCegarLoop]: Abstraction has has 214 places, 292 transitions, 2373 flow [2024-12-02 06:39:21,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:21,936 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:39:21,936 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:39:21,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-12-02 06:39:21,936 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:39:21,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:39:21,937 INFO L85 PathProgramCache]: Analyzing trace with hash 894688520, now seen corresponding path program 22 times [2024-12-02 06:39:21,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:39:21,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589724716] [2024-12-02 06:39:21,937 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 06:39:21,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:39:21,949 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 06:39:21,949 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:39:22,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:39:22,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:39:22,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589724716] [2024-12-02 06:39:22,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589724716] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:39:22,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:39:22,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:39:22,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597231491] [2024-12-02 06:39:22,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:39:22,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:39:22,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:39:22,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:39:22,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:39:22,675 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:39:22,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 292 transitions, 2373 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:22,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:39:22,676 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:39:22,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:39:23,164 INFO L124 PetriNetUnfolderBase]: 793/2842 cut-off events. [2024-12-02 06:39:23,165 INFO L125 PetriNetUnfolderBase]: For 7591/7740 co-relation queries the response was YES. [2024-12-02 06:39:23,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9635 conditions, 2842 events. 793/2842 cut-off events. For 7591/7740 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 24216 event pairs, 35 based on Foata normal form. 12/2848 useless extension candidates. Maximal degree in co-relation 9586. Up to 517 conditions per place. [2024-12-02 06:39:23,176 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 29 selfloop transitions, 24 changer transitions 7/301 dead transitions. [2024-12-02 06:39:23,176 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 301 transitions, 2548 flow [2024-12-02 06:39:23,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:39:23,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:39:23,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1114 transitions. [2024-12-02 06:39:23,177 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.772002772002772 [2024-12-02 06:39:23,177 INFO L175 Difference]: Start difference. First operand has 214 places, 292 transitions, 2373 flow. Second operand 13 states and 1114 transitions. [2024-12-02 06:39:23,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 301 transitions, 2548 flow [2024-12-02 06:39:23,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 301 transitions, 2465 flow, removed 8 selfloop flow, removed 16 redundant places. [2024-12-02 06:39:23,208 INFO L231 Difference]: Finished difference. Result has 207 places, 289 transitions, 2322 flow [2024-12-02 06:39:23,208 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2298, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2322, PETRI_PLACES=207, PETRI_TRANSITIONS=289} [2024-12-02 06:39:23,209 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 93 predicate places. [2024-12-02 06:39:23,209 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 289 transitions, 2322 flow [2024-12-02 06:39:23,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:23,209 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:39:23,209 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:39:23,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-12-02 06:39:23,209 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:39:23,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:39:23,209 INFO L85 PathProgramCache]: Analyzing trace with hash -769398334, now seen corresponding path program 23 times [2024-12-02 06:39:23,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:39:23,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498985327] [2024-12-02 06:39:23,209 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-02 06:39:23,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:39:23,219 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 06:39:23,219 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:39:23,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:39:23,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:39:23,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498985327] [2024-12-02 06:39:23,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498985327] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:39:23,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:39:23,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:39:23,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068533787] [2024-12-02 06:39:23,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:39:23,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:39:23,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:39:23,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:39:23,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:39:23,938 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:39:23,939 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 289 transitions, 2322 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:23,939 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:39:23,939 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:39:23,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:39:24,505 INFO L124 PetriNetUnfolderBase]: 790/2853 cut-off events. [2024-12-02 06:39:24,505 INFO L125 PetriNetUnfolderBase]: For 7523/7672 co-relation queries the response was YES. [2024-12-02 06:39:24,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9607 conditions, 2853 events. 790/2853 cut-off events. For 7523/7672 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 24421 event pairs, 36 based on Foata normal form. 10/2857 useless extension candidates. Maximal degree in co-relation 9562. Up to 516 conditions per place. [2024-12-02 06:39:24,514 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 30 selfloop transitions, 21 changer transitions 6/298 dead transitions. [2024-12-02 06:39:24,514 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 298 transitions, 2491 flow [2024-12-02 06:39:24,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:39:24,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:39:24,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1115 transitions. [2024-12-02 06:39:24,515 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7726957726957727 [2024-12-02 06:39:24,515 INFO L175 Difference]: Start difference. First operand has 207 places, 289 transitions, 2322 flow. Second operand 13 states and 1115 transitions. [2024-12-02 06:39:24,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 298 transitions, 2491 flow [2024-12-02 06:39:24,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 298 transitions, 2440 flow, removed 3 selfloop flow, removed 11 redundant places. [2024-12-02 06:39:24,543 INFO L231 Difference]: Finished difference. Result has 210 places, 289 transitions, 2331 flow [2024-12-02 06:39:24,543 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2276, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2331, PETRI_PLACES=210, PETRI_TRANSITIONS=289} [2024-12-02 06:39:24,543 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 96 predicate places. [2024-12-02 06:39:24,543 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 289 transitions, 2331 flow [2024-12-02 06:39:24,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:24,544 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:39:24,544 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:39:24,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-12-02 06:39:24,544 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:39:24,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:39:24,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1360883592, now seen corresponding path program 24 times [2024-12-02 06:39:24,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:39:24,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220298772] [2024-12-02 06:39:24,545 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-02 06:39:24,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:39:24,556 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-12-02 06:39:24,556 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:39:24,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:39:24,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:39:24,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220298772] [2024-12-02 06:39:24,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220298772] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:39:24,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:39:24,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:39:24,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159481213] [2024-12-02 06:39:24,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:39:24,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:39:24,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:39:24,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:39:24,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:39:25,302 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:39:25,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 289 transitions, 2331 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:25,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:39:25,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:39:25,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:39:25,703 INFO L124 PetriNetUnfolderBase]: 525/2012 cut-off events. [2024-12-02 06:39:25,703 INFO L125 PetriNetUnfolderBase]: For 4901/5010 co-relation queries the response was YES. [2024-12-02 06:39:25,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6654 conditions, 2012 events. 525/2012 cut-off events. For 4901/5010 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 15588 event pairs, 25 based on Foata normal form. 7/2015 useless extension candidates. Maximal degree in co-relation 6607. Up to 348 conditions per place. [2024-12-02 06:39:25,711 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 23 selfloop transitions, 15 changer transitions 15/275 dead transitions. [2024-12-02 06:39:25,711 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 275 transitions, 2141 flow [2024-12-02 06:39:25,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:39:25,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:39:25,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1110 transitions. [2024-12-02 06:39:25,712 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7692307692307693 [2024-12-02 06:39:25,712 INFO L175 Difference]: Start difference. First operand has 210 places, 289 transitions, 2331 flow. Second operand 13 states and 1110 transitions. [2024-12-02 06:39:25,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 275 transitions, 2141 flow [2024-12-02 06:39:25,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 275 transitions, 2088 flow, removed 7 selfloop flow, removed 11 redundant places. [2024-12-02 06:39:25,733 INFO L231 Difference]: Finished difference. Result has 209 places, 259 transitions, 1881 flow [2024-12-02 06:39:25,734 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1937, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1881, PETRI_PLACES=209, PETRI_TRANSITIONS=259} [2024-12-02 06:39:25,734 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 95 predicate places. [2024-12-02 06:39:25,734 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 259 transitions, 1881 flow [2024-12-02 06:39:25,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:25,734 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:39:25,734 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:39:25,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-12-02 06:39:25,734 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:39:25,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:39:25,735 INFO L85 PathProgramCache]: Analyzing trace with hash -578196982, now seen corresponding path program 25 times [2024-12-02 06:39:25,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:39:25,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084423775] [2024-12-02 06:39:25,735 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-02 06:39:25,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:39:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:39:25,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:39:25,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:39:25,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084423775] [2024-12-02 06:39:25,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084423775] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:39:25,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:39:25,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:39:25,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597617598] [2024-12-02 06:39:25,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:39:25,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:39:25,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:39:25,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:39:25,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:39:26,504 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:39:26,504 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 259 transitions, 1881 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:26,504 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:39:26,505 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:39:26,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:39:27,023 INFO L124 PetriNetUnfolderBase]: 780/2741 cut-off events. [2024-12-02 06:39:27,023 INFO L125 PetriNetUnfolderBase]: For 6703/6850 co-relation queries the response was YES. [2024-12-02 06:39:27,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9065 conditions, 2741 events. 780/2741 cut-off events. For 6703/6850 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 23348 event pairs, 31 based on Foata normal form. 15/2750 useless extension candidates. Maximal degree in co-relation 9019. Up to 507 conditions per place. [2024-12-02 06:39:27,035 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 26 selfloop transitions, 25 changer transitions 1/274 dead transitions. [2024-12-02 06:39:27,035 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 274 transitions, 2069 flow [2024-12-02 06:39:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:39:27,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:39:27,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1116 transitions. [2024-12-02 06:39:27,036 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7733887733887734 [2024-12-02 06:39:27,037 INFO L175 Difference]: Start difference. First operand has 209 places, 259 transitions, 1881 flow. Second operand 13 states and 1116 transitions. [2024-12-02 06:39:27,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 274 transitions, 2069 flow [2024-12-02 06:39:27,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 274 transitions, 1961 flow, removed 10 selfloop flow, removed 18 redundant places. [2024-12-02 06:39:27,062 INFO L231 Difference]: Finished difference. Result has 194 places, 267 transitions, 1920 flow [2024-12-02 06:39:27,062 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1796, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1920, PETRI_PLACES=194, PETRI_TRANSITIONS=267} [2024-12-02 06:39:27,062 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 80 predicate places. [2024-12-02 06:39:27,062 INFO L471 AbstractCegarLoop]: Abstraction has has 194 places, 267 transitions, 1920 flow [2024-12-02 06:39:27,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:27,062 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:39:27,062 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:39:27,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-12-02 06:39:27,063 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:39:27,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:39:27,063 INFO L85 PathProgramCache]: Analyzing trace with hash -709888218, now seen corresponding path program 21 times [2024-12-02 06:39:27,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:39:27,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354871027] [2024-12-02 06:39:27,063 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 06:39:27,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:39:27,074 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-12-02 06:39:27,074 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:39:27,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:39:27,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:39:27,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354871027] [2024-12-02 06:39:27,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354871027] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:39:27,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:39:27,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:39:27,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309932554] [2024-12-02 06:39:27,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:39:27,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:39:27,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:39:27,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:39:27,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:39:27,808 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:39:27,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 267 transitions, 1920 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:27,808 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:39:27,809 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:39:27,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:39:28,257 INFO L124 PetriNetUnfolderBase]: 782/2733 cut-off events. [2024-12-02 06:39:28,257 INFO L125 PetriNetUnfolderBase]: For 6476/6649 co-relation queries the response was YES. [2024-12-02 06:39:28,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9040 conditions, 2733 events. 782/2733 cut-off events. For 6476/6649 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 23238 event pairs, 30 based on Foata normal form. 30/2757 useless extension candidates. Maximal degree in co-relation 8997. Up to 498 conditions per place. [2024-12-02 06:39:28,269 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 18 selfloop transitions, 33 changer transitions 3/276 dead transitions. [2024-12-02 06:39:28,269 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 276 transitions, 2100 flow [2024-12-02 06:39:28,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:39:28,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:39:28,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1103 transitions. [2024-12-02 06:39:28,270 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7643797643797644 [2024-12-02 06:39:28,270 INFO L175 Difference]: Start difference. First operand has 194 places, 267 transitions, 1920 flow. Second operand 13 states and 1103 transitions. [2024-12-02 06:39:28,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 276 transitions, 2100 flow [2024-12-02 06:39:28,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 276 transitions, 2063 flow, removed 1 selfloop flow, removed 8 redundant places. [2024-12-02 06:39:28,296 INFO L231 Difference]: Finished difference. Result has 200 places, 267 transitions, 1964 flow [2024-12-02 06:39:28,296 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1886, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1964, PETRI_PLACES=200, PETRI_TRANSITIONS=267} [2024-12-02 06:39:28,296 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 86 predicate places. [2024-12-02 06:39:28,296 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 267 transitions, 1964 flow [2024-12-02 06:39:28,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:28,296 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:39:28,296 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:39:28,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-12-02 06:39:28,297 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:39:28,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:39:28,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1485048612, now seen corresponding path program 22 times [2024-12-02 06:39:28,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:39:28,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445909733] [2024-12-02 06:39:28,297 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 06:39:28,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:39:28,312 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 06:39:28,312 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:39:28,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:39:28,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:39:28,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445909733] [2024-12-02 06:39:28,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445909733] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:39:28,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:39:28,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 06:39:28,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668350126] [2024-12-02 06:39:28,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:39:28,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 06:39:28,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:39:28,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 06:39:28,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-12-02 06:39:29,389 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 111 [2024-12-02 06:39:29,391 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 267 transitions, 1964 flow. Second operand has 15 states, 15 states have (on average 73.6) internal successors, (1104), 15 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:29,391 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:39:29,391 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 111 [2024-12-02 06:39:29,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:39:30,492 INFO L124 PetriNetUnfolderBase]: 1013/3196 cut-off events. [2024-12-02 06:39:30,492 INFO L125 PetriNetUnfolderBase]: For 11893/12308 co-relation queries the response was YES. [2024-12-02 06:39:30,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12358 conditions, 3196 events. 1013/3196 cut-off events. For 11893/12308 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 26668 event pairs, 103 based on Foata normal form. 88/3267 useless extension candidates. Maximal degree in co-relation 12313. Up to 579 conditions per place. [2024-12-02 06:39:30,505 INFO L140 encePairwiseOnDemand]: 87/111 looper letters, 402 selfloop transitions, 102 changer transitions 72/669 dead transitions. [2024-12-02 06:39:30,506 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 669 transitions, 6845 flow [2024-12-02 06:39:30,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-02 06:39:30,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-12-02 06:39:30,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 1919 transitions. [2024-12-02 06:39:30,507 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7203453453453453 [2024-12-02 06:39:30,507 INFO L175 Difference]: Start difference. First operand has 200 places, 267 transitions, 1964 flow. Second operand 24 states and 1919 transitions. [2024-12-02 06:39:30,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 669 transitions, 6845 flow [2024-12-02 06:39:30,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 669 transitions, 6735 flow, removed 3 selfloop flow, removed 12 redundant places. [2024-12-02 06:39:30,540 INFO L231 Difference]: Finished difference. Result has 223 places, 342 transitions, 3139 flow [2024-12-02 06:39:30,541 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1896, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3139, PETRI_PLACES=223, PETRI_TRANSITIONS=342} [2024-12-02 06:39:30,541 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 109 predicate places. [2024-12-02 06:39:30,541 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 342 transitions, 3139 flow [2024-12-02 06:39:30,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 73.6) internal successors, (1104), 15 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:30,541 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:39:30,541 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:39:30,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-12-02 06:39:30,542 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:39:30,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:39:30,542 INFO L85 PathProgramCache]: Analyzing trace with hash -585176958, now seen corresponding path program 23 times [2024-12-02 06:39:30,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:39:30,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121761017] [2024-12-02 06:39:30,542 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-02 06:39:30,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:39:30,551 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 06:39:30,552 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:39:30,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:39:30,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:39:30,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121761017] [2024-12-02 06:39:30,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121761017] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:39:30,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:39:30,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:39:30,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471018536] [2024-12-02 06:39:30,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:39:30,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:39:30,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:39:30,863 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:39:30,863 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:39:31,362 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:39:31,363 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 342 transitions, 3139 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:31,363 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:39:31,363 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:39:31,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:39:31,851 INFO L124 PetriNetUnfolderBase]: 781/2750 cut-off events. [2024-12-02 06:39:31,852 INFO L125 PetriNetUnfolderBase]: For 8805/8959 co-relation queries the response was YES. [2024-12-02 06:39:31,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9866 conditions, 2750 events. 781/2750 cut-off events. For 8805/8959 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 23444 event pairs, 31 based on Foata normal form. 19/2763 useless extension candidates. Maximal degree in co-relation 9809. Up to 509 conditions per place. [2024-12-02 06:39:31,863 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 35 selfloop transitions, 25 changer transitions 4/354 dead transitions. [2024-12-02 06:39:31,863 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 354 transitions, 3334 flow [2024-12-02 06:39:31,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:39:31,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:39:31,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1114 transitions. [2024-12-02 06:39:31,864 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.772002772002772 [2024-12-02 06:39:31,864 INFO L175 Difference]: Start difference. First operand has 223 places, 342 transitions, 3139 flow. Second operand 13 states and 1114 transitions. [2024-12-02 06:39:31,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 354 transitions, 3334 flow [2024-12-02 06:39:31,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 354 transitions, 3285 flow, removed 10 selfloop flow, removed 9 redundant places. [2024-12-02 06:39:31,899 INFO L231 Difference]: Finished difference. Result has 226 places, 344 transitions, 3176 flow [2024-12-02 06:39:31,899 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=3090, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3176, PETRI_PLACES=226, PETRI_TRANSITIONS=344} [2024-12-02 06:39:31,899 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 112 predicate places. [2024-12-02 06:39:31,899 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 344 transitions, 3176 flow [2024-12-02 06:39:31,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:31,899 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:39:31,899 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:39:31,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-12-02 06:39:31,899 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:39:31,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:39:31,900 INFO L85 PathProgramCache]: Analyzing trace with hash -605094856, now seen corresponding path program 24 times [2024-12-02 06:39:31,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:39:31,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487798151] [2024-12-02 06:39:31,900 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-02 06:39:31,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:39:31,910 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-12-02 06:39:31,910 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:39:32,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:39:32,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:39:32,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487798151] [2024-12-02 06:39:32,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487798151] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:39:32,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:39:32,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:39:32,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142500980] [2024-12-02 06:39:32,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:39:32,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:39:32,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:39:32,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:39:32,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:39:32,864 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:39:32,865 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 344 transitions, 3176 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:32,865 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:39:32,865 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:39:32,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:39:33,267 INFO L124 PetriNetUnfolderBase]: 512/1924 cut-off events. [2024-12-02 06:39:33,267 INFO L125 PetriNetUnfolderBase]: For 6171/6288 co-relation queries the response was YES. [2024-12-02 06:39:33,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6863 conditions, 1924 events. 512/1924 cut-off events. For 6171/6288 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 14976 event pairs, 19 based on Foata normal form. 17/1937 useless extension candidates. Maximal degree in co-relation 6805. Up to 345 conditions per place. [2024-12-02 06:39:33,276 INFO L140 encePairwiseOnDemand]: 94/111 looper letters, 31 selfloop transitions, 16 changer transitions 11/329 dead transitions. [2024-12-02 06:39:33,277 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 329 transitions, 3006 flow [2024-12-02 06:39:33,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:39:33,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:39:33,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1108 transitions. [2024-12-02 06:39:33,278 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7678447678447679 [2024-12-02 06:39:33,278 INFO L175 Difference]: Start difference. First operand has 226 places, 344 transitions, 3176 flow. Second operand 13 states and 1108 transitions. [2024-12-02 06:39:33,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 329 transitions, 3006 flow [2024-12-02 06:39:33,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 329 transitions, 2943 flow, removed 10 selfloop flow, removed 12 redundant places. [2024-12-02 06:39:33,306 INFO L231 Difference]: Finished difference. Result has 228 places, 316 transitions, 2780 flow [2024-12-02 06:39:33,306 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2791, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2780, PETRI_PLACES=228, PETRI_TRANSITIONS=316} [2024-12-02 06:39:33,306 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 114 predicate places. [2024-12-02 06:39:33,306 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 316 transitions, 2780 flow [2024-12-02 06:39:33,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:33,306 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:39:33,306 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:39:33,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-12-02 06:39:33,307 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:39:33,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:39:33,307 INFO L85 PathProgramCache]: Analyzing trace with hash -390081828, now seen corresponding path program 25 times [2024-12-02 06:39:33,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:39:33,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157091661] [2024-12-02 06:39:33,307 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-02 06:39:33,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:39:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:39:33,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:39:33,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:39:33,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157091661] [2024-12-02 06:39:33,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157091661] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:39:33,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:39:33,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:39:33,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111647227] [2024-12-02 06:39:33,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:39:33,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:39:33,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:39:33,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:39:33,509 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:39:34,032 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:39:34,033 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 316 transitions, 2780 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:34,033 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:39:34,033 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:39:34,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:39:34,439 INFO L124 PetriNetUnfolderBase]: 516/1874 cut-off events. [2024-12-02 06:39:34,439 INFO L125 PetriNetUnfolderBase]: For 6127/6255 co-relation queries the response was YES. [2024-12-02 06:39:34,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6718 conditions, 1874 events. 516/1874 cut-off events. For 6127/6255 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 14410 event pairs, 20 based on Foata normal form. 18/1888 useless extension candidates. Maximal degree in co-relation 6660. Up to 336 conditions per place. [2024-12-02 06:39:34,448 INFO L140 encePairwiseOnDemand]: 92/111 looper letters, 22 selfloop transitions, 25 changer transitions 4/322 dead transitions. [2024-12-02 06:39:34,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 322 transitions, 2953 flow [2024-12-02 06:39:34,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:39:34,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:39:34,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1103 transitions. [2024-12-02 06:39:34,449 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7643797643797644 [2024-12-02 06:39:34,449 INFO L175 Difference]: Start difference. First operand has 228 places, 316 transitions, 2780 flow. Second operand 13 states and 1103 transitions. [2024-12-02 06:39:34,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 322 transitions, 2953 flow [2024-12-02 06:39:34,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 322 transitions, 2854 flow, removed 9 selfloop flow, removed 18 redundant places. [2024-12-02 06:39:34,475 INFO L231 Difference]: Finished difference. Result has 216 places, 316 transitions, 2773 flow [2024-12-02 06:39:34,475 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=2702, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2773, PETRI_PLACES=216, PETRI_TRANSITIONS=316} [2024-12-02 06:39:34,475 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 102 predicate places. [2024-12-02 06:39:34,475 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 316 transitions, 2773 flow [2024-12-02 06:39:34,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:34,476 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:39:34,476 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:39:34,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-12-02 06:39:34,476 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:39:34,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:39:34,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1174224924, now seen corresponding path program 26 times [2024-12-02 06:39:34,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:39:34,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622015598] [2024-12-02 06:39:34,477 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 06:39:34,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:39:34,487 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 06:39:34,487 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:39:34,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:39:34,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:39:34,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622015598] [2024-12-02 06:39:34,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622015598] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:39:34,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:39:34,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:39:34,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323829359] [2024-12-02 06:39:34,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:39:34,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:39:34,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:39:34,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:39:34,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:39:35,363 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:39:35,364 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 316 transitions, 2773 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:35,364 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:39:35,364 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:39:35,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:39:35,689 INFO L124 PetriNetUnfolderBase]: 248/1042 cut-off events. [2024-12-02 06:39:35,690 INFO L125 PetriNetUnfolderBase]: For 2839/2897 co-relation queries the response was YES. [2024-12-02 06:39:35,692 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3575 conditions, 1042 events. 248/1042 cut-off events. For 2839/2897 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 6738 event pairs, 11 based on Foata normal form. 6/1046 useless extension candidates. Maximal degree in co-relation 3521. Up to 172 conditions per place. [2024-12-02 06:39:35,693 INFO L140 encePairwiseOnDemand]: 93/111 looper letters, 16 selfloop transitions, 14 changer transitions 7/259 dead transitions. [2024-12-02 06:39:35,693 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 259 transitions, 2066 flow [2024-12-02 06:39:35,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:39:35,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:39:35,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1102 transitions. [2024-12-02 06:39:35,694 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7636867636867637 [2024-12-02 06:39:35,694 INFO L175 Difference]: Start difference. First operand has 216 places, 316 transitions, 2773 flow. Second operand 13 states and 1102 transitions. [2024-12-02 06:39:35,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 259 transitions, 2066 flow [2024-12-02 06:39:35,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 259 transitions, 1907 flow, removed 47 selfloop flow, removed 23 redundant places. [2024-12-02 06:39:35,707 INFO L231 Difference]: Finished difference. Result has 193 places, 252 transitions, 1811 flow [2024-12-02 06:39:35,708 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1818, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1811, PETRI_PLACES=193, PETRI_TRANSITIONS=252} [2024-12-02 06:39:35,708 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 79 predicate places. [2024-12-02 06:39:35,708 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 252 transitions, 1811 flow [2024-12-02 06:39:35,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:35,708 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:39:35,708 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:39:35,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-12-02 06:39:35,708 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:39:35,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:39:35,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1752499402, now seen corresponding path program 26 times [2024-12-02 06:39:35,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:39:35,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79329618] [2024-12-02 06:39:35,709 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 06:39:35,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:39:35,718 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 06:39:35,718 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:39:35,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:39:35,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:39:35,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79329618] [2024-12-02 06:39:35,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79329618] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:39:35,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:39:35,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:39:35,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807577654] [2024-12-02 06:39:35,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:39:35,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:39:35,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:39:35,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:39:35,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:39:36,394 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:39:36,395 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 252 transitions, 1811 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:36,395 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:39:36,395 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:39:36,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:39:36,715 INFO L124 PetriNetUnfolderBase]: 244/1035 cut-off events. [2024-12-02 06:39:36,715 INFO L125 PetriNetUnfolderBase]: For 2146/2191 co-relation queries the response was YES. [2024-12-02 06:39:36,718 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3303 conditions, 1035 events. 244/1035 cut-off events. For 2146/2191 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 6729 event pairs, 12 based on Foata normal form. 9/1042 useless extension candidates. Maximal degree in co-relation 3261. Up to 178 conditions per place. [2024-12-02 06:39:36,719 INFO L140 encePairwiseOnDemand]: 90/111 looper letters, 11 selfloop transitions, 19 changer transitions 8/258 dead transitions. [2024-12-02 06:39:36,719 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 258 transitions, 1927 flow [2024-12-02 06:39:36,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:39:36,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:39:36,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1102 transitions. [2024-12-02 06:39:36,720 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7636867636867637 [2024-12-02 06:39:36,720 INFO L175 Difference]: Start difference. First operand has 193 places, 252 transitions, 1811 flow. Second operand 13 states and 1102 transitions. [2024-12-02 06:39:36,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 258 transitions, 1927 flow [2024-12-02 06:39:36,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 258 transitions, 1869 flow, removed 12 selfloop flow, removed 13 redundant places. [2024-12-02 06:39:36,732 INFO L231 Difference]: Finished difference. Result has 187 places, 249 transitions, 1788 flow [2024-12-02 06:39:36,732 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=1768, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1788, PETRI_PLACES=187, PETRI_TRANSITIONS=249} [2024-12-02 06:39:36,732 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 73 predicate places. [2024-12-02 06:39:36,732 INFO L471 AbstractCegarLoop]: Abstraction has has 187 places, 249 transitions, 1788 flow [2024-12-02 06:39:36,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:36,732 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:39:36,732 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:39:36,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2024-12-02 06:39:36,732 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-12-02 06:39:36,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:39:36,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1212456546, now seen corresponding path program 27 times [2024-12-02 06:39:36,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:39:36,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571252701] [2024-12-02 06:39:36,733 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 06:39:36,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:39:36,743 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-12-02 06:39:36,743 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 06:39:36,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:39:36,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:39:36,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571252701] [2024-12-02 06:39:36,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571252701] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:39:36,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:39:36,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:39:36,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066544072] [2024-12-02 06:39:36,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:39:36,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:39:36,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:39:36,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:39:36,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:39:37,506 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 111 [2024-12-02 06:39:37,507 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 249 transitions, 1788 flow. Second operand has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:37,507 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:39:37,507 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 111 [2024-12-02 06:39:37,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:39:37,711 INFO L124 PetriNetUnfolderBase]: 0/102 cut-off events. [2024-12-02 06:39:37,711 INFO L125 PetriNetUnfolderBase]: For 89/89 co-relation queries the response was YES. [2024-12-02 06:39:37,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 302 conditions, 102 events. 0/102 cut-off events. For 89/89 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 109 event pairs, 0 based on Foata normal form. 2/104 useless extension candidates. Maximal degree in co-relation 0. Up to 11 conditions per place. [2024-12-02 06:39:37,711 INFO L140 encePairwiseOnDemand]: 96/111 looper letters, 0 selfloop transitions, 0 changer transitions 90/90 dead transitions. [2024-12-02 06:39:37,711 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 90 transitions, 446 flow [2024-12-02 06:39:37,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:39:37,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-12-02 06:39:37,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1093 transitions. [2024-12-02 06:39:37,712 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7574497574497574 [2024-12-02 06:39:37,712 INFO L175 Difference]: Start difference. First operand has 187 places, 249 transitions, 1788 flow. Second operand 13 states and 1093 transitions. [2024-12-02 06:39:37,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 90 transitions, 446 flow [2024-12-02 06:39:37,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 90 transitions, 266 flow, removed 31 selfloop flow, removed 57 redundant places. [2024-12-02 06:39:37,713 INFO L231 Difference]: Finished difference. Result has 122 places, 0 transitions, 0 flow [2024-12-02 06:39:37,713 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=0, PETRI_PLACES=122, PETRI_TRANSITIONS=0} [2024-12-02 06:39:37,714 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, 8 predicate places. [2024-12-02 06:39:37,714 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 0 transitions, 0 flow [2024-12-02 06:39:37,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 83.6923076923077) internal successors, (1088), 13 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:39:37,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2024-12-02 06:39:37,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2024-12-02 06:39:37,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2024-12-02 06:39:37,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2024-12-02 06:39:37,716 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2024-12-02 06:39:37,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2024-12-02 06:39:37,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 13 remaining) [2024-12-02 06:39:37,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2024-12-02 06:39:37,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2024-12-02 06:39:37,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2024-12-02 06:39:37,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2024-12-02 06:39:37,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2024-12-02 06:39:37,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2024-12-02 06:39:37,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2024-12-02 06:39:37,717 INFO L422 BasicCegarLoop]: Path program histogram: [27, 26, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:39:37,721 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 06:39:37,721 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 06:39:37,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:39:37 BasicIcfg [2024-12-02 06:39:37,725 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 06:39:37,725 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 06:39:37,725 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 06:39:37,725 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 06:39:37,726 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:38:01" (3/4) ... [2024-12-02 06:39:37,727 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 06:39:37,729 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-12-02 06:39:37,731 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-02 06:39:37,731 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 06:39:37,731 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-02 06:39:37,776 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f25547d-174e-429e-8495-495d4c143ba7/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 06:39:37,777 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f25547d-174e-429e-8495-495d4c143ba7/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 06:39:37,777 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 06:39:37,777 INFO L158 Benchmark]: Toolchain (without parser) took 96681.73ms. Allocated memory was 142.6MB in the beginning and 1.0GB in the end (delta: 864.0MB). Free memory was 115.4MB in the beginning and 385.0MB in the end (delta: -269.6MB). Peak memory consumption was 595.4MB. Max. memory is 16.1GB. [2024-12-02 06:39:37,777 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:39:37,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.88ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 92.2MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 06:39:37,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.74ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 90.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:39:37,778 INFO L158 Benchmark]: Boogie Preprocessor took 18.79ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 88.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:39:37,778 INFO L158 Benchmark]: RCFGBuilder took 360.78ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 71.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 06:39:37,778 INFO L158 Benchmark]: TraceAbstraction took 95830.54ms. Allocated memory was 142.6MB in the beginning and 1.0GB in the end (delta: 864.0MB). Free memory was 71.2MB in the beginning and 389.3MB in the end (delta: -318.2MB). Peak memory consumption was 545.1MB. Max. memory is 16.1GB. [2024-12-02 06:39:37,779 INFO L158 Benchmark]: Witness Printer took 51.89ms. Allocated memory is still 1.0GB. Free memory was 389.3MB in the beginning and 385.0MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:39:37,780 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.88ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 92.2MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.74ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 90.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.79ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 88.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 360.78ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 71.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 95830.54ms. Allocated memory was 142.6MB in the beginning and 1.0GB in the end (delta: 864.0MB). Free memory was 71.2MB in the beginning and 389.3MB in the end (delta: -318.2MB). Peak memory consumption was 545.1MB. Max. memory is 16.1GB. * Witness Printer took 51.89ms. Allocated memory is still 1.0GB. Free memory was 389.3MB in the beginning and 385.0MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3010]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3011]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 2995]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3013]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3001]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3001]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3005]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3001]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3001]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 149 locations, 13 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 95.7s, OverallIterations: 61, TraceHistogramMax: 1, PathProgramHistogramMax: 27, EmptinessCheckTime: 0.0s, AutomataDifference: 74.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30909 SdHoareTripleChecker+Valid, 35.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26964 mSDsluCounter, 117385 SdHoareTripleChecker+Invalid, 30.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 115510 mSDsCounter, 479 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 77786 IncrementalHoareTripleChecker+Invalid, 78265 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 479 mSolverCounterUnsat, 1875 mSDtfsCounter, 77786 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1295 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 1098 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2517 ImplicationChecksByTransitivity, 12.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4081occurred in iteration=44, InterpolantAutomatonStates: 774, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 20.0s InterpolantComputationTime, 3992 NumberOfCodeBlocks, 3992 NumberOfCodeBlocksAsserted, 69 NumberOfCheckSat, 3931 ConstructedInterpolants, 0 QuantifiedInterpolants, 19498 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 61 InterpolantComputations, 61 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 06:39:37,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f25547d-174e-429e-8495-495d4c143ba7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE