./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_10-ptrmunge_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199dd10b-537c-4887-b1e9-f85948bcb077/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199dd10b-537c-4887-b1e9-f85948bcb077/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199dd10b-537c-4887-b1e9-f85948bcb077/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199dd10b-537c-4887-b1e9-f85948bcb077/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_10-ptrmunge_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199dd10b-537c-4887-b1e9-f85948bcb077/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199dd10b-537c-4887-b1e9-f85948bcb077/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b7b2dab104eee1bd1f440bec4a0db415f1c26fa4fc41062d03a3a4935f69226f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:09:34,435 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:09:34,515 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199dd10b-537c-4887-b1e9-f85948bcb077/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 02:09:34,520 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:09:34,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:09:34,545 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:09:34,546 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:09:34,547 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:09:34,547 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:09:34,548 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:09:34,549 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:09:34,549 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:09:34,549 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:09:34,550 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:09:34,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:09:34,551 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:09:34,552 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:09:34,552 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:09:34,553 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:09:34,553 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:09:34,554 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:09:34,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:09:34,557 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 02:09:34,557 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 02:09:34,558 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:09:34,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:09:34,559 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:09:34,559 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:09:34,559 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:09:34,560 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:09:34,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:09:34,561 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:09:34,561 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:09:34,561 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:09:34,562 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:09:34,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:09:34,562 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:09:34,562 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:09:34,563 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:09:34,563 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:09:34,563 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:09:34,563 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199dd10b-537c-4887-b1e9-f85948bcb077/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199dd10b-537c-4887-b1e9-f85948bcb077/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7b2dab104eee1bd1f440bec4a0db415f1c26fa4fc41062d03a3a4935f69226f [2023-11-29 02:09:34,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:09:34,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:09:34,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:09:34,831 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:09:34,831 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:09:34,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199dd10b-537c-4887-b1e9-f85948bcb077/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/goblint-regression/04-mutex_10-ptrmunge_nr.i [2023-11-29 02:09:37,545 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:09:37,774 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:09:37,775 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199dd10b-537c-4887-b1e9-f85948bcb077/sv-benchmarks/c/goblint-regression/04-mutex_10-ptrmunge_nr.i [2023-11-29 02:09:37,793 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199dd10b-537c-4887-b1e9-f85948bcb077/bin/uautomizer-verify-BQ2R08f2Ya/data/18604ee09/3915b4e43bc2499cb8db9dbf3bc2cea3/FLAG2276fdbf1 [2023-11-29 02:09:37,805 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199dd10b-537c-4887-b1e9-f85948bcb077/bin/uautomizer-verify-BQ2R08f2Ya/data/18604ee09/3915b4e43bc2499cb8db9dbf3bc2cea3 [2023-11-29 02:09:37,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:09:37,809 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:09:37,810 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:09:37,810 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:09:37,814 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:09:37,815 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:09:37" (1/1) ... [2023-11-29 02:09:37,816 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8a8a54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:09:37, skipping insertion in model container [2023-11-29 02:09:37,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:09:37" (1/1) ... [2023-11-29 02:09:37,871 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:09:38,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:09:38,334 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:09:38,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:09:38,432 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:09:38,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:09:38 WrapperNode [2023-11-29 02:09:38,433 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:09:38,434 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:09:38,434 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:09:38,434 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:09:38,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:09:38" (1/1) ... [2023-11-29 02:09:38,458 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:09:38" (1/1) ... [2023-11-29 02:09:38,485 INFO L138 Inliner]: procedures = 264, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2023-11-29 02:09:38,486 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:09:38,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:09:38,487 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:09:38,487 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:09:38,496 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:09:38" (1/1) ... [2023-11-29 02:09:38,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:09:38" (1/1) ... [2023-11-29 02:09:38,501 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:09:38" (1/1) ... [2023-11-29 02:09:38,501 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:09:38" (1/1) ... [2023-11-29 02:09:38,510 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:09:38" (1/1) ... [2023-11-29 02:09:38,512 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:09:38" (1/1) ... [2023-11-29 02:09:38,514 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:09:38" (1/1) ... [2023-11-29 02:09:38,516 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:09:38" (1/1) ... [2023-11-29 02:09:38,519 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:09:38,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:09:38,520 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:09:38,520 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:09:38,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:09:38" (1/1) ... [2023-11-29 02:09:38,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:09:38,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199dd10b-537c-4887-b1e9-f85948bcb077/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:09:38,562 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199dd10b-537c-4887-b1e9-f85948bcb077/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:09:38,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199dd10b-537c-4887-b1e9-f85948bcb077/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:09:38,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 02:09:38,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 02:09:38,594 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-29 02:09:38,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 02:09:38,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 02:09:38,595 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-29 02:09:38,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:09:38,595 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-29 02:09:38,595 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-29 02:09:38,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 02:09:38,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:09:38,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:09:38,597 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 02:09:38,730 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:09:38,733 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:09:38,957 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:09:38,981 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:09:38,981 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 02:09:38,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:09:38 BoogieIcfgContainer [2023-11-29 02:09:38,983 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:09:38,985 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:09:38,985 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:09:38,987 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:09:38,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:09:37" (1/3) ... [2023-11-29 02:09:38,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@525d312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:09:38, skipping insertion in model container [2023-11-29 02:09:38,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:09:38" (2/3) ... [2023-11-29 02:09:38,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@525d312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:09:38, skipping insertion in model container [2023-11-29 02:09:38,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:09:38" (3/3) ... [2023-11-29 02:09:38,990 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_10-ptrmunge_nr.i [2023-11-29 02:09:38,996 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 02:09:39,004 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:09:39,004 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-11-29 02:09:39,005 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 02:09:39,071 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-29 02:09:39,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 108 places, 104 transitions, 215 flow [2023-11-29 02:09:39,156 INFO L124 PetriNetUnfolderBase]: 0/103 cut-off events. [2023-11-29 02:09:39,156 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 02:09:39,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 103 events. 0/103 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-11-29 02:09:39,159 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 104 transitions, 215 flow [2023-11-29 02:09:39,164 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 99 places, 95 transitions, 193 flow [2023-11-29 02:09:39,175 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:09:39,182 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@e0fbc69, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:09:39,183 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-29 02:09:39,200 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 02:09:39,200 INFO L124 PetriNetUnfolderBase]: 0/54 cut-off events. [2023-11-29 02:09:39,200 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 02:09:39,200 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:09:39,201 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:09:39,201 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:09:39,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:09:39,207 INFO L85 PathProgramCache]: Analyzing trace with hash 342145545, now seen corresponding path program 1 times [2023-11-29 02:09:39,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:09:39,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66898187] [2023-11-29 02:09:39,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:09:39,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:09:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:09:39,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:09:39,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:09:39,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66898187] [2023-11-29 02:09:39,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66898187] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:09:39,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:09:39,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:09:39,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518296575] [2023-11-29 02:09:39,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:09:40,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:09:40,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:09:40,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:09:40,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:09:40,299 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 104 [2023-11-29 02:09:40,304 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 95 transitions, 193 flow. Second operand has 6 states, 6 states have (on average 81.5) internal successors, (489), 6 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:40,304 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:09:40,304 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 104 [2023-11-29 02:09:40,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:09:40,509 INFO L124 PetriNetUnfolderBase]: 114/583 cut-off events. [2023-11-29 02:09:40,510 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 02:09:40,514 INFO L83 FinitePrefix]: Finished finitePrefix Result has 844 conditions, 583 events. 114/583 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3269 event pairs, 61 based on Foata normal form. 0/535 useless extension candidates. Maximal degree in co-relation 809. Up to 207 conditions per place. [2023-11-29 02:09:40,518 INFO L140 encePairwiseOnDemand]: 93/104 looper letters, 30 selfloop transitions, 22 changer transitions 0/124 dead transitions. [2023-11-29 02:09:40,519 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 124 transitions, 355 flow [2023-11-29 02:09:40,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:09:40,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:09:40,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 533 transitions. [2023-11-29 02:09:40,535 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8541666666666666 [2023-11-29 02:09:40,536 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 533 transitions. [2023-11-29 02:09:40,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 533 transitions. [2023-11-29 02:09:40,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:09:40,541 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 533 transitions. [2023-11-29 02:09:40,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 88.83333333333333) internal successors, (533), 6 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:40,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:40,552 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:40,553 INFO L175 Difference]: Start difference. First operand has 99 places, 95 transitions, 193 flow. Second operand 6 states and 533 transitions. [2023-11-29 02:09:40,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 124 transitions, 355 flow [2023-11-29 02:09:40,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 124 transitions, 354 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 02:09:40,562 INFO L231 Difference]: Finished difference. Result has 108 places, 116 transitions, 342 flow [2023-11-29 02:09:40,564 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=342, PETRI_PLACES=108, PETRI_TRANSITIONS=116} [2023-11-29 02:09:40,568 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 9 predicate places. [2023-11-29 02:09:40,568 INFO L495 AbstractCegarLoop]: Abstraction has has 108 places, 116 transitions, 342 flow [2023-11-29 02:09:40,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 81.5) internal successors, (489), 6 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:40,569 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:09:40,569 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:09:40,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:09:40,570 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:09:40,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:09:40,570 INFO L85 PathProgramCache]: Analyzing trace with hash 426447221, now seen corresponding path program 1 times [2023-11-29 02:09:40,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:09:40,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207909637] [2023-11-29 02:09:40,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:09:40,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:09:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:09:40,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:09:40,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:09:40,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207909637] [2023-11-29 02:09:40,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207909637] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:09:40,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:09:40,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:09:40,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101208179] [2023-11-29 02:09:40,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:09:40,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:09:40,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:09:40,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:09:40,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:09:41,190 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 104 [2023-11-29 02:09:41,192 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 116 transitions, 342 flow. Second operand has 6 states, 6 states have (on average 81.5) internal successors, (489), 6 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:41,192 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:09:41,192 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 104 [2023-11-29 02:09:41,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:09:41,381 INFO L124 PetriNetUnfolderBase]: 152/672 cut-off events. [2023-11-29 02:09:41,381 INFO L125 PetriNetUnfolderBase]: For 136/155 co-relation queries the response was YES. [2023-11-29 02:09:41,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1190 conditions, 672 events. 152/672 cut-off events. For 136/155 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 3935 event pairs, 61 based on Foata normal form. 5/636 useless extension candidates. Maximal degree in co-relation 1151. Up to 264 conditions per place. [2023-11-29 02:09:41,388 INFO L140 encePairwiseOnDemand]: 93/104 looper letters, 43 selfloop transitions, 26 changer transitions 0/145 dead transitions. [2023-11-29 02:09:41,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 145 transitions, 556 flow [2023-11-29 02:09:41,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:09:41,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:09:41,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 533 transitions. [2023-11-29 02:09:41,391 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8541666666666666 [2023-11-29 02:09:41,391 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 533 transitions. [2023-11-29 02:09:41,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 533 transitions. [2023-11-29 02:09:41,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:09:41,392 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 533 transitions. [2023-11-29 02:09:41,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 88.83333333333333) internal successors, (533), 6 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:41,396 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:41,396 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:41,396 INFO L175 Difference]: Start difference. First operand has 108 places, 116 transitions, 342 flow. Second operand 6 states and 533 transitions. [2023-11-29 02:09:41,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 145 transitions, 556 flow [2023-11-29 02:09:41,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 145 transitions, 556 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:09:41,404 INFO L231 Difference]: Finished difference. Result has 118 places, 137 transitions, 526 flow [2023-11-29 02:09:41,404 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=526, PETRI_PLACES=118, PETRI_TRANSITIONS=137} [2023-11-29 02:09:41,405 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 19 predicate places. [2023-11-29 02:09:41,405 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 137 transitions, 526 flow [2023-11-29 02:09:41,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 81.5) internal successors, (489), 6 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:41,405 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:09:41,405 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:09:41,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:09:41,406 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:09:41,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:09:41,407 INFO L85 PathProgramCache]: Analyzing trace with hash -581066231, now seen corresponding path program 1 times [2023-11-29 02:09:41,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:09:41,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683084752] [2023-11-29 02:09:41,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:09:41,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:09:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:09:41,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:09:41,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:09:41,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683084752] [2023-11-29 02:09:41,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683084752] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:09:41,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:09:41,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:09:41,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455397879] [2023-11-29 02:09:41,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:09:41,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:09:41,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:09:41,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:09:41,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:09:41,854 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 104 [2023-11-29 02:09:41,855 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 137 transitions, 526 flow. Second operand has 6 states, 6 states have (on average 72.5) internal successors, (435), 6 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:41,855 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:09:41,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 104 [2023-11-29 02:09:41,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:09:42,199 INFO L124 PetriNetUnfolderBase]: 408/1252 cut-off events. [2023-11-29 02:09:42,199 INFO L125 PetriNetUnfolderBase]: For 683/707 co-relation queries the response was YES. [2023-11-29 02:09:42,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2946 conditions, 1252 events. 408/1252 cut-off events. For 683/707 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 7826 event pairs, 153 based on Foata normal form. 7/1185 useless extension candidates. Maximal degree in co-relation 2902. Up to 736 conditions per place. [2023-11-29 02:09:42,209 INFO L140 encePairwiseOnDemand]: 85/104 looper letters, 76 selfloop transitions, 69 changer transitions 0/208 dead transitions. [2023-11-29 02:09:42,209 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 208 transitions, 1092 flow [2023-11-29 02:09:42,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:09:42,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:09:42,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 515 transitions. [2023-11-29 02:09:42,212 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8253205128205128 [2023-11-29 02:09:42,212 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 515 transitions. [2023-11-29 02:09:42,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 515 transitions. [2023-11-29 02:09:42,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:09:42,212 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 515 transitions. [2023-11-29 02:09:42,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 85.83333333333333) internal successors, (515), 6 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:42,215 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:42,216 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:42,216 INFO L175 Difference]: Start difference. First operand has 118 places, 137 transitions, 526 flow. Second operand 6 states and 515 transitions. [2023-11-29 02:09:42,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 208 transitions, 1092 flow [2023-11-29 02:09:42,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 208 transitions, 1092 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:09:42,227 INFO L231 Difference]: Finished difference. Result has 128 places, 200 transitions, 1112 flow [2023-11-29 02:09:42,227 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1112, PETRI_PLACES=128, PETRI_TRANSITIONS=200} [2023-11-29 02:09:42,228 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 29 predicate places. [2023-11-29 02:09:42,228 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 200 transitions, 1112 flow [2023-11-29 02:09:42,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 72.5) internal successors, (435), 6 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:42,229 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:09:42,229 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:09:42,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 02:09:42,230 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:09:42,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:09:42,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1328891558, now seen corresponding path program 1 times [2023-11-29 02:09:42,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:09:42,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577899717] [2023-11-29 02:09:42,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:09:42,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:09:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:09:42,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:09:42,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:09:42,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577899717] [2023-11-29 02:09:42,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577899717] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:09:42,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:09:42,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:09:42,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409366070] [2023-11-29 02:09:42,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:09:42,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:09:42,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:09:42,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:09:42,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:09:42,633 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 104 [2023-11-29 02:09:42,634 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 200 transitions, 1112 flow. Second operand has 6 states, 6 states have (on average 72.5) internal successors, (435), 6 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:42,634 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:09:42,634 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 104 [2023-11-29 02:09:42,635 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:09:42,941 INFO L124 PetriNetUnfolderBase]: 485/1455 cut-off events. [2023-11-29 02:09:42,941 INFO L125 PetriNetUnfolderBase]: For 1753/1804 co-relation queries the response was YES. [2023-11-29 02:09:42,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4290 conditions, 1455 events. 485/1455 cut-off events. For 1753/1804 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 9415 event pairs, 135 based on Foata normal form. 8/1414 useless extension candidates. Maximal degree in co-relation 4241. Up to 838 conditions per place. [2023-11-29 02:09:42,951 INFO L140 encePairwiseOnDemand]: 89/104 looper letters, 129 selfloop transitions, 67 changer transitions 0/261 dead transitions. [2023-11-29 02:09:42,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 261 transitions, 1850 flow [2023-11-29 02:09:42,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:09:42,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:09:42,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 499 transitions. [2023-11-29 02:09:42,954 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7996794871794872 [2023-11-29 02:09:42,954 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 499 transitions. [2023-11-29 02:09:42,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 499 transitions. [2023-11-29 02:09:42,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:09:42,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 499 transitions. [2023-11-29 02:09:42,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 83.16666666666667) internal successors, (499), 6 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:42,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:42,958 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:42,958 INFO L175 Difference]: Start difference. First operand has 128 places, 200 transitions, 1112 flow. Second operand 6 states and 499 transitions. [2023-11-29 02:09:42,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 261 transitions, 1850 flow [2023-11-29 02:09:42,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 261 transitions, 1786 flow, removed 32 selfloop flow, removed 0 redundant places. [2023-11-29 02:09:42,973 INFO L231 Difference]: Finished difference. Result has 138 places, 253 transitions, 1700 flow [2023-11-29 02:09:42,974 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=1054, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1700, PETRI_PLACES=138, PETRI_TRANSITIONS=253} [2023-11-29 02:09:42,975 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 39 predicate places. [2023-11-29 02:09:42,975 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 253 transitions, 1700 flow [2023-11-29 02:09:42,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 72.5) internal successors, (435), 6 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:42,976 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:09:42,976 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:09:42,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 02:09:42,976 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:09:42,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:09:42,977 INFO L85 PathProgramCache]: Analyzing trace with hash 12029893, now seen corresponding path program 1 times [2023-11-29 02:09:42,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:09:42,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307865884] [2023-11-29 02:09:42,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:09:42,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:09:43,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:09:43,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:09:43,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:09:43,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307865884] [2023-11-29 02:09:43,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307865884] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:09:43,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:09:43,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:09:43,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022114843] [2023-11-29 02:09:43,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:09:43,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:09:43,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:09:43,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:09:43,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:09:44,220 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 104 [2023-11-29 02:09:44,222 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 253 transitions, 1700 flow. Second operand has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:44,222 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:09:44,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 104 [2023-11-29 02:09:44,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:09:45,205 INFO L124 PetriNetUnfolderBase]: 864/2501 cut-off events. [2023-11-29 02:09:45,205 INFO L125 PetriNetUnfolderBase]: For 5298/5402 co-relation queries the response was YES. [2023-11-29 02:09:45,211 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8452 conditions, 2501 events. 864/2501 cut-off events. For 5298/5402 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 18264 event pairs, 63 based on Foata normal form. 42/2511 useless extension candidates. Maximal degree in co-relation 8396. Up to 629 conditions per place. [2023-11-29 02:09:45,225 INFO L140 encePairwiseOnDemand]: 83/104 looper letters, 318 selfloop transitions, 86 changer transitions 0/509 dead transitions. [2023-11-29 02:09:45,225 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 509 transitions, 4458 flow [2023-11-29 02:09:45,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:09:45,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 02:09:45,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1210 transitions. [2023-11-29 02:09:45,229 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7756410256410257 [2023-11-29 02:09:45,230 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1210 transitions. [2023-11-29 02:09:45,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1210 transitions. [2023-11-29 02:09:45,231 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:09:45,231 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1210 transitions. [2023-11-29 02:09:45,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 80.66666666666667) internal successors, (1210), 15 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:45,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:45,237 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:45,237 INFO L175 Difference]: Start difference. First operand has 138 places, 253 transitions, 1700 flow. Second operand 15 states and 1210 transitions. [2023-11-29 02:09:45,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 509 transitions, 4458 flow [2023-11-29 02:09:45,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 509 transitions, 4328 flow, removed 65 selfloop flow, removed 0 redundant places. [2023-11-29 02:09:45,273 INFO L231 Difference]: Finished difference. Result has 164 places, 324 transitions, 2635 flow [2023-11-29 02:09:45,273 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=1626, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2635, PETRI_PLACES=164, PETRI_TRANSITIONS=324} [2023-11-29 02:09:45,274 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 65 predicate places. [2023-11-29 02:09:45,274 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 324 transitions, 2635 flow [2023-11-29 02:09:45,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:45,275 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:09:45,276 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:09:45,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 02:09:45,276 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:09:45,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:09:45,277 INFO L85 PathProgramCache]: Analyzing trace with hash -999243145, now seen corresponding path program 2 times [2023-11-29 02:09:45,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:09:45,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288332824] [2023-11-29 02:09:45,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:09:45,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:09:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:09:45,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:09:45,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:09:45,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288332824] [2023-11-29 02:09:45,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288332824] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:09:45,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:09:45,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:09:45,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530224329] [2023-11-29 02:09:45,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:09:45,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:09:45,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:09:45,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:09:45,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:09:46,481 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 104 [2023-11-29 02:09:46,482 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 324 transitions, 2635 flow. Second operand has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:46,483 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:09:46,483 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 104 [2023-11-29 02:09:46,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:09:47,780 INFO L124 PetriNetUnfolderBase]: 1320/3657 cut-off events. [2023-11-29 02:09:47,780 INFO L125 PetriNetUnfolderBase]: For 12087/12321 co-relation queries the response was YES. [2023-11-29 02:09:47,796 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14008 conditions, 3657 events. 1320/3657 cut-off events. For 12087/12321 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 29118 event pairs, 116 based on Foata normal form. 89/3701 useless extension candidates. Maximal degree in co-relation 13937. Up to 945 conditions per place. [2023-11-29 02:09:47,823 INFO L140 encePairwiseOnDemand]: 83/104 looper letters, 340 selfloop transitions, 137 changer transitions 0/582 dead transitions. [2023-11-29 02:09:47,824 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 582 transitions, 5881 flow [2023-11-29 02:09:47,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 02:09:47,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-29 02:09:47,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1152 transitions. [2023-11-29 02:09:47,828 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7912087912087912 [2023-11-29 02:09:47,828 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1152 transitions. [2023-11-29 02:09:47,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1152 transitions. [2023-11-29 02:09:47,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:09:47,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1152 transitions. [2023-11-29 02:09:47,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 82.28571428571429) internal successors, (1152), 14 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:47,837 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:47,838 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:47,838 INFO L175 Difference]: Start difference. First operand has 164 places, 324 transitions, 2635 flow. Second operand 14 states and 1152 transitions. [2023-11-29 02:09:47,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 582 transitions, 5881 flow [2023-11-29 02:09:47,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 582 transitions, 5858 flow, removed 10 selfloop flow, removed 2 redundant places. [2023-11-29 02:09:47,918 INFO L231 Difference]: Finished difference. Result has 185 places, 413 transitions, 4292 flow [2023-11-29 02:09:47,918 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=2616, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=324, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=4292, PETRI_PLACES=185, PETRI_TRANSITIONS=413} [2023-11-29 02:09:47,919 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 86 predicate places. [2023-11-29 02:09:47,919 INFO L495 AbstractCegarLoop]: Abstraction has has 185 places, 413 transitions, 4292 flow [2023-11-29 02:09:47,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:47,920 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:09:47,920 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:09:47,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 02:09:47,920 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:09:47,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:09:47,921 INFO L85 PathProgramCache]: Analyzing trace with hash 2105302477, now seen corresponding path program 3 times [2023-11-29 02:09:47,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:09:47,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110588754] [2023-11-29 02:09:47,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:09:47,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:09:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:09:48,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:09:48,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:09:48,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110588754] [2023-11-29 02:09:48,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110588754] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:09:48,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:09:48,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:09:48,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700313177] [2023-11-29 02:09:48,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:09:48,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:09:48,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:09:48,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:09:48,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:09:48,980 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 104 [2023-11-29 02:09:48,981 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 413 transitions, 4292 flow. Second operand has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:48,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:09:48,981 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 104 [2023-11-29 02:09:48,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:09:50,593 INFO L124 PetriNetUnfolderBase]: 1659/4590 cut-off events. [2023-11-29 02:09:50,593 INFO L125 PetriNetUnfolderBase]: For 22070/22469 co-relation queries the response was YES. [2023-11-29 02:09:50,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19151 conditions, 4590 events. 1659/4590 cut-off events. For 22070/22469 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 38837 event pairs, 141 based on Foata normal form. 156/4691 useless extension candidates. Maximal degree in co-relation 19069. Up to 917 conditions per place. [2023-11-29 02:09:50,632 INFO L140 encePairwiseOnDemand]: 83/104 looper letters, 571 selfloop transitions, 161 changer transitions 0/837 dead transitions. [2023-11-29 02:09:50,633 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 837 transitions, 9752 flow [2023-11-29 02:09:50,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 02:09:50,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-11-29 02:09:50,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1322 transitions. [2023-11-29 02:09:50,636 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7944711538461539 [2023-11-29 02:09:50,637 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1322 transitions. [2023-11-29 02:09:50,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1322 transitions. [2023-11-29 02:09:50,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:09:50,638 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1322 transitions. [2023-11-29 02:09:50,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 82.625) internal successors, (1322), 16 states have internal predecessors, (1322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:50,643 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 104.0) internal successors, (1768), 17 states have internal predecessors, (1768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:50,643 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 104.0) internal successors, (1768), 17 states have internal predecessors, (1768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:50,644 INFO L175 Difference]: Start difference. First operand has 185 places, 413 transitions, 4292 flow. Second operand 16 states and 1322 transitions. [2023-11-29 02:09:50,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 837 transitions, 9752 flow [2023-11-29 02:09:50,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 837 transitions, 9697 flow, removed 26 selfloop flow, removed 2 redundant places. [2023-11-29 02:09:50,736 INFO L231 Difference]: Finished difference. Result has 209 places, 488 transitions, 5973 flow [2023-11-29 02:09:50,737 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=4245, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=5973, PETRI_PLACES=209, PETRI_TRANSITIONS=488} [2023-11-29 02:09:50,737 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 110 predicate places. [2023-11-29 02:09:50,737 INFO L495 AbstractCegarLoop]: Abstraction has has 209 places, 488 transitions, 5973 flow [2023-11-29 02:09:50,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:50,738 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:09:50,738 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:09:50,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 02:09:50,739 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:09:50,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:09:50,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1059690299, now seen corresponding path program 4 times [2023-11-29 02:09:50,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:09:50,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548697816] [2023-11-29 02:09:50,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:09:50,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:09:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:09:51,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:09:51,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:09:51,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548697816] [2023-11-29 02:09:51,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548697816] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:09:51,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:09:51,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:09:51,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733825167] [2023-11-29 02:09:51,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:09:51,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:09:51,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:09:51,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:09:51,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:09:51,892 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 104 [2023-11-29 02:09:51,893 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 488 transitions, 5973 flow. Second operand has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:51,894 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:09:51,894 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 104 [2023-11-29 02:09:51,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:09:53,612 INFO L124 PetriNetUnfolderBase]: 2194/5972 cut-off events. [2023-11-29 02:09:53,612 INFO L125 PetriNetUnfolderBase]: For 40867/41503 co-relation queries the response was YES. [2023-11-29 02:09:53,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26942 conditions, 5972 events. 2194/5972 cut-off events. For 40867/41503 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 53225 event pairs, 174 based on Foata normal form. 175/6081 useless extension candidates. Maximal degree in co-relation 26848. Up to 2256 conditions per place. [2023-11-29 02:09:53,657 INFO L140 encePairwiseOnDemand]: 83/104 looper letters, 481 selfloop transitions, 216 changer transitions 0/802 dead transitions. [2023-11-29 02:09:53,657 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 802 transitions, 10895 flow [2023-11-29 02:09:53,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 02:09:53,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-29 02:09:53,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1152 transitions. [2023-11-29 02:09:53,661 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7912087912087912 [2023-11-29 02:09:53,661 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1152 transitions. [2023-11-29 02:09:53,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1152 transitions. [2023-11-29 02:09:53,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:09:53,662 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1152 transitions. [2023-11-29 02:09:53,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 82.28571428571429) internal successors, (1152), 14 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:53,667 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:53,667 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:53,667 INFO L175 Difference]: Start difference. First operand has 209 places, 488 transitions, 5973 flow. Second operand 14 states and 1152 transitions. [2023-11-29 02:09:53,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 802 transitions, 10895 flow [2023-11-29 02:09:53,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 802 transitions, 10597 flow, removed 73 selfloop flow, removed 4 redundant places. [2023-11-29 02:09:53,861 INFO L231 Difference]: Finished difference. Result has 227 places, 594 transitions, 8292 flow [2023-11-29 02:09:53,861 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=5777, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=488, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=122, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=8292, PETRI_PLACES=227, PETRI_TRANSITIONS=594} [2023-11-29 02:09:53,862 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 128 predicate places. [2023-11-29 02:09:53,862 INFO L495 AbstractCegarLoop]: Abstraction has has 227 places, 594 transitions, 8292 flow [2023-11-29 02:09:53,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:53,863 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:09:53,863 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:09:53,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 02:09:53,863 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:09:53,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:09:53,863 INFO L85 PathProgramCache]: Analyzing trace with hash -990549235, now seen corresponding path program 1 times [2023-11-29 02:09:53,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:09:53,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520201100] [2023-11-29 02:09:53,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:09:53,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:09:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:09:54,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:09:54,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:09:54,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520201100] [2023-11-29 02:09:54,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520201100] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:09:54,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:09:54,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:09:54,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584844869] [2023-11-29 02:09:54,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:09:54,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:09:54,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:09:54,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:09:54,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:09:54,620 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 104 [2023-11-29 02:09:54,621 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 594 transitions, 8292 flow. Second operand has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:54,621 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:09:54,621 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 104 [2023-11-29 02:09:54,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:09:57,363 INFO L124 PetriNetUnfolderBase]: 2819/7149 cut-off events. [2023-11-29 02:09:57,363 INFO L125 PetriNetUnfolderBase]: For 57839/58331 co-relation queries the response was YES. [2023-11-29 02:09:57,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34659 conditions, 7149 events. 2819/7149 cut-off events. For 57839/58331 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 62607 event pairs, 420 based on Foata normal form. 98/7181 useless extension candidates. Maximal degree in co-relation 34555. Up to 2413 conditions per place. [2023-11-29 02:09:57,416 INFO L140 encePairwiseOnDemand]: 75/104 looper letters, 673 selfloop transitions, 212 changer transitions 0/976 dead transitions. [2023-11-29 02:09:57,416 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 976 transitions, 13594 flow [2023-11-29 02:09:57,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 02:09:57,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-29 02:09:57,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1091 transitions. [2023-11-29 02:09:57,420 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7493131868131868 [2023-11-29 02:09:57,420 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1091 transitions. [2023-11-29 02:09:57,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1091 transitions. [2023-11-29 02:09:57,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:09:57,421 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1091 transitions. [2023-11-29 02:09:57,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 77.92857142857143) internal successors, (1091), 14 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:57,427 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:57,428 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:57,428 INFO L175 Difference]: Start difference. First operand has 227 places, 594 transitions, 8292 flow. Second operand 14 states and 1091 transitions. [2023-11-29 02:09:57,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 976 transitions, 13594 flow [2023-11-29 02:09:57,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 976 transitions, 13344 flow, removed 93 selfloop flow, removed 4 redundant places. [2023-11-29 02:09:57,840 INFO L231 Difference]: Finished difference. Result has 246 places, 709 transitions, 10448 flow [2023-11-29 02:09:57,841 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=8101, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=594, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=110, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=10448, PETRI_PLACES=246, PETRI_TRANSITIONS=709} [2023-11-29 02:09:57,841 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 147 predicate places. [2023-11-29 02:09:57,841 INFO L495 AbstractCegarLoop]: Abstraction has has 246 places, 709 transitions, 10448 flow [2023-11-29 02:09:57,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:57,842 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:09:57,842 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:09:57,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 02:09:57,842 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:09:57,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:09:57,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1149814267, now seen corresponding path program 5 times [2023-11-29 02:09:57,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:09:57,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985890480] [2023-11-29 02:09:57,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:09:57,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:09:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:09:58,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:09:58,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:09:58,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985890480] [2023-11-29 02:09:58,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985890480] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:09:58,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:09:58,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:09:58,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538648302] [2023-11-29 02:09:58,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:09:58,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:09:58,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:09:58,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:09:58,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:09:58,931 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 104 [2023-11-29 02:09:58,932 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 709 transitions, 10448 flow. Second operand has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:09:58,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:09:58,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 104 [2023-11-29 02:09:58,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:10:01,392 INFO L124 PetriNetUnfolderBase]: 2565/7005 cut-off events. [2023-11-29 02:10:01,392 INFO L125 PetriNetUnfolderBase]: For 67528/68311 co-relation queries the response was YES. [2023-11-29 02:10:01,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35909 conditions, 7005 events. 2565/7005 cut-off events. For 67528/68311 co-relation queries the response was YES. Maximal size of possible extension queue 368. Compared 64665 event pairs, 233 based on Foata normal form. 222/7166 useless extension candidates. Maximal degree in co-relation 35795. Up to 1879 conditions per place. [2023-11-29 02:10:01,452 INFO L140 encePairwiseOnDemand]: 83/104 looper letters, 660 selfloop transitions, 249 changer transitions 0/1030 dead transitions. [2023-11-29 02:10:01,452 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 1030 transitions, 15902 flow [2023-11-29 02:10:01,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:10:01,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 02:10:01,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1229 transitions. [2023-11-29 02:10:01,456 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7878205128205128 [2023-11-29 02:10:01,456 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1229 transitions. [2023-11-29 02:10:01,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1229 transitions. [2023-11-29 02:10:01,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:10:01,457 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1229 transitions. [2023-11-29 02:10:01,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 81.93333333333334) internal successors, (1229), 15 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:01,463 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:01,464 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:01,464 INFO L175 Difference]: Start difference. First operand has 246 places, 709 transitions, 10448 flow. Second operand 15 states and 1229 transitions. [2023-11-29 02:10:01,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 1030 transitions, 15902 flow [2023-11-29 02:10:01,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 1030 transitions, 15771 flow, removed 52 selfloop flow, removed 3 redundant places. [2023-11-29 02:10:01,878 INFO L231 Difference]: Finished difference. Result has 268 places, 785 transitions, 12786 flow [2023-11-29 02:10:01,879 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=10344, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=709, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=481, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=12786, PETRI_PLACES=268, PETRI_TRANSITIONS=785} [2023-11-29 02:10:01,879 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 169 predicate places. [2023-11-29 02:10:01,879 INFO L495 AbstractCegarLoop]: Abstraction has has 268 places, 785 transitions, 12786 flow [2023-11-29 02:10:01,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:01,880 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:10:01,880 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:10:01,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 02:10:01,880 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:10:01,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:10:01,880 INFO L85 PathProgramCache]: Analyzing trace with hash 561013423, now seen corresponding path program 6 times [2023-11-29 02:10:01,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:10:01,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360256394] [2023-11-29 02:10:01,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:10:01,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:10:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:10:02,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:10:02,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:10:02,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360256394] [2023-11-29 02:10:02,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360256394] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:10:02,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:10:02,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:10:02,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156074905] [2023-11-29 02:10:02,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:10:02,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:10:02,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:10:02,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:10:02,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:10:03,005 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 104 [2023-11-29 02:10:03,006 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 785 transitions, 12786 flow. Second operand has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:03,006 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:10:03,006 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 104 [2023-11-29 02:10:03,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:10:05,527 INFO L124 PetriNetUnfolderBase]: 2618/7088 cut-off events. [2023-11-29 02:10:05,528 INFO L125 PetriNetUnfolderBase]: For 86837/87790 co-relation queries the response was YES. [2023-11-29 02:10:05,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38545 conditions, 7088 events. 2618/7088 cut-off events. For 86837/87790 co-relation queries the response was YES. Maximal size of possible extension queue 372. Compared 65465 event pairs, 263 based on Foata normal form. 262/7292 useless extension candidates. Maximal degree in co-relation 38420. Up to 2064 conditions per place. [2023-11-29 02:10:05,598 INFO L140 encePairwiseOnDemand]: 83/104 looper letters, 685 selfloop transitions, 266 changer transitions 0/1072 dead transitions. [2023-11-29 02:10:05,598 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 1072 transitions, 17878 flow [2023-11-29 02:10:05,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:10:05,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 02:10:05,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1234 transitions. [2023-11-29 02:10:05,601 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.791025641025641 [2023-11-29 02:10:05,601 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1234 transitions. [2023-11-29 02:10:05,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1234 transitions. [2023-11-29 02:10:05,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:10:05,602 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1234 transitions. [2023-11-29 02:10:05,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 82.26666666666667) internal successors, (1234), 15 states have internal predecessors, (1234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:05,608 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:05,609 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:05,609 INFO L175 Difference]: Start difference. First operand has 268 places, 785 transitions, 12786 flow. Second operand 15 states and 1234 transitions. [2023-11-29 02:10:05,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 1072 transitions, 17878 flow [2023-11-29 02:10:06,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 1072 transitions, 17567 flow, removed 154 selfloop flow, removed 2 redundant places. [2023-11-29 02:10:06,216 INFO L231 Difference]: Finished difference. Result has 289 places, 824 transitions, 14082 flow [2023-11-29 02:10:06,216 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=12475, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=785, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=230, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=529, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=14082, PETRI_PLACES=289, PETRI_TRANSITIONS=824} [2023-11-29 02:10:06,217 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 190 predicate places. [2023-11-29 02:10:06,217 INFO L495 AbstractCegarLoop]: Abstraction has has 289 places, 824 transitions, 14082 flow [2023-11-29 02:10:06,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:06,218 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:10:06,218 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:10:06,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 02:10:06,218 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:10:06,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:10:06,218 INFO L85 PathProgramCache]: Analyzing trace with hash -2025897483, now seen corresponding path program 2 times [2023-11-29 02:10:06,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:10:06,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072003387] [2023-11-29 02:10:06,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:10:06,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:10:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:10:06,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:10:06,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:10:06,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072003387] [2023-11-29 02:10:06,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072003387] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:10:06,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:10:06,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:10:06,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066463305] [2023-11-29 02:10:06,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:10:06,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:10:06,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:10:06,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:10:06,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:10:07,052 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 104 [2023-11-29 02:10:07,054 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 824 transitions, 14082 flow. Second operand has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:07,054 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:10:07,054 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 104 [2023-11-29 02:10:07,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:10:11,077 INFO L124 PetriNetUnfolderBase]: 3372/8580 cut-off events. [2023-11-29 02:10:11,077 INFO L125 PetriNetUnfolderBase]: For 106947/107526 co-relation queries the response was YES. [2023-11-29 02:10:11,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47885 conditions, 8580 events. 3372/8580 cut-off events. For 106947/107526 co-relation queries the response was YES. Maximal size of possible extension queue 394. Compared 78034 event pairs, 552 based on Foata normal form. 153/8658 useless extension candidates. Maximal degree in co-relation 47750. Up to 3127 conditions per place. [2023-11-29 02:10:11,153 INFO L140 encePairwiseOnDemand]: 75/104 looper letters, 772 selfloop transitions, 267 changer transitions 0/1142 dead transitions. [2023-11-29 02:10:11,153 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 1142 transitions, 19158 flow [2023-11-29 02:10:11,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:10:11,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 02:10:11,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1164 transitions. [2023-11-29 02:10:11,155 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7461538461538462 [2023-11-29 02:10:11,155 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1164 transitions. [2023-11-29 02:10:11,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1164 transitions. [2023-11-29 02:10:11,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:10:11,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1164 transitions. [2023-11-29 02:10:11,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 77.6) internal successors, (1164), 15 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:11,161 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:11,161 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:11,162 INFO L175 Difference]: Start difference. First operand has 289 places, 824 transitions, 14082 flow. Second operand 15 states and 1164 transitions. [2023-11-29 02:10:11,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 1142 transitions, 19158 flow [2023-11-29 02:10:11,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 1142 transitions, 18781 flow, removed 103 selfloop flow, removed 5 redundant places. [2023-11-29 02:10:11,927 INFO L231 Difference]: Finished difference. Result has 305 places, 864 transitions, 15281 flow [2023-11-29 02:10:11,928 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=13740, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=824, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=227, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=565, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=15281, PETRI_PLACES=305, PETRI_TRANSITIONS=864} [2023-11-29 02:10:11,928 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 206 predicate places. [2023-11-29 02:10:11,928 INFO L495 AbstractCegarLoop]: Abstraction has has 305 places, 864 transitions, 15281 flow [2023-11-29 02:10:11,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:11,929 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:10:11,929 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:10:11,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 02:10:11,929 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:10:11,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:10:11,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1702767513, now seen corresponding path program 3 times [2023-11-29 02:10:11,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:10:11,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417010348] [2023-11-29 02:10:11,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:10:11,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:10:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:10:12,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:10:12,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:10:12,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417010348] [2023-11-29 02:10:12,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417010348] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:10:12,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:10:12,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:10:12,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375627910] [2023-11-29 02:10:12,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:10:12,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:10:12,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:10:12,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:10:12,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:10:12,849 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 104 [2023-11-29 02:10:12,851 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 864 transitions, 15281 flow. Second operand has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:12,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:10:12,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 104 [2023-11-29 02:10:12,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:10:16,606 INFO L124 PetriNetUnfolderBase]: 3462/8803 cut-off events. [2023-11-29 02:10:16,606 INFO L125 PetriNetUnfolderBase]: For 118400/119010 co-relation queries the response was YES. [2023-11-29 02:10:16,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51583 conditions, 8803 events. 3462/8803 cut-off events. For 118400/119010 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 80330 event pairs, 531 based on Foata normal form. 165/8886 useless extension candidates. Maximal degree in co-relation 51441. Up to 3134 conditions per place. [2023-11-29 02:10:16,685 INFO L140 encePairwiseOnDemand]: 75/104 looper letters, 1018 selfloop transitions, 234 changer transitions 0/1355 dead transitions. [2023-11-29 02:10:16,686 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 1355 transitions, 23063 flow [2023-11-29 02:10:16,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:10:16,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 02:10:16,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1169 transitions. [2023-11-29 02:10:16,687 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7493589743589744 [2023-11-29 02:10:16,687 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1169 transitions. [2023-11-29 02:10:16,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1169 transitions. [2023-11-29 02:10:16,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:10:16,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1169 transitions. [2023-11-29 02:10:16,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 77.93333333333334) internal successors, (1169), 15 states have internal predecessors, (1169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:16,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:16,692 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:16,692 INFO L175 Difference]: Start difference. First operand has 305 places, 864 transitions, 15281 flow. Second operand 15 states and 1169 transitions. [2023-11-29 02:10:16,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 1355 transitions, 23063 flow [2023-11-29 02:10:17,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 1355 transitions, 22904 flow, removed 7 selfloop flow, removed 6 redundant places. [2023-11-29 02:10:17,519 INFO L231 Difference]: Finished difference. Result has 322 places, 958 transitions, 17680 flow [2023-11-29 02:10:17,520 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=15132, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=864, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=140, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=649, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=17680, PETRI_PLACES=322, PETRI_TRANSITIONS=958} [2023-11-29 02:10:17,521 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 223 predicate places. [2023-11-29 02:10:17,521 INFO L495 AbstractCegarLoop]: Abstraction has has 322 places, 958 transitions, 17680 flow [2023-11-29 02:10:17,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:17,521 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:10:17,522 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:10:17,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 02:10:17,522 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:10:17,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:10:17,522 INFO L85 PathProgramCache]: Analyzing trace with hash 768166497, now seen corresponding path program 4 times [2023-11-29 02:10:17,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:10:17,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431041571] [2023-11-29 02:10:17,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:10:17,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:10:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:10:17,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:10:17,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:10:17,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431041571] [2023-11-29 02:10:17,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431041571] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:10:17,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:10:17,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:10:17,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179325284] [2023-11-29 02:10:17,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:10:17,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:10:17,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:10:17,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:10:17,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:10:18,203 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 104 [2023-11-29 02:10:18,205 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 958 transitions, 17680 flow. Second operand has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:18,205 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:10:18,205 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 104 [2023-11-29 02:10:18,205 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:10:22,528 INFO L124 PetriNetUnfolderBase]: 3561/9040 cut-off events. [2023-11-29 02:10:22,528 INFO L125 PetriNetUnfolderBase]: For 141848/142464 co-relation queries the response was YES. [2023-11-29 02:10:22,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56387 conditions, 9040 events. 3561/9040 cut-off events. For 141848/142464 co-relation queries the response was YES. Maximal size of possible extension queue 410. Compared 82948 event pairs, 548 based on Foata normal form. 177/9145 useless extension candidates. Maximal degree in co-relation 56236. Up to 3144 conditions per place. [2023-11-29 02:10:22,617 INFO L140 encePairwiseOnDemand]: 75/104 looper letters, 876 selfloop transitions, 347 changer transitions 0/1326 dead transitions. [2023-11-29 02:10:22,617 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 1326 transitions, 24383 flow [2023-11-29 02:10:22,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:10:22,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 02:10:22,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1166 transitions. [2023-11-29 02:10:22,618 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7474358974358974 [2023-11-29 02:10:22,618 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1166 transitions. [2023-11-29 02:10:22,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1166 transitions. [2023-11-29 02:10:22,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:10:22,619 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1166 transitions. [2023-11-29 02:10:22,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 77.73333333333333) internal successors, (1166), 15 states have internal predecessors, (1166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:22,622 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:22,622 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:22,622 INFO L175 Difference]: Start difference. First operand has 322 places, 958 transitions, 17680 flow. Second operand 15 states and 1166 transitions. [2023-11-29 02:10:22,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 1326 transitions, 24383 flow [2023-11-29 02:10:23,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 1326 transitions, 24153 flow, removed 73 selfloop flow, removed 4 redundant places. [2023-11-29 02:10:23,736 INFO L231 Difference]: Finished difference. Result has 340 places, 1029 transitions, 20172 flow [2023-11-29 02:10:23,737 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=17502, PETRI_DIFFERENCE_MINUEND_PLACES=318, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=958, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=288, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=630, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=20172, PETRI_PLACES=340, PETRI_TRANSITIONS=1029} [2023-11-29 02:10:23,737 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 241 predicate places. [2023-11-29 02:10:23,737 INFO L495 AbstractCegarLoop]: Abstraction has has 340 places, 1029 transitions, 20172 flow [2023-11-29 02:10:23,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:23,738 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:10:23,738 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:10:23,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 02:10:23,738 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:10:23,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:10:23,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1712399157, now seen corresponding path program 1 times [2023-11-29 02:10:23,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:10:23,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808115503] [2023-11-29 02:10:23,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:10:23,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:10:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:10:24,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:10:24,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:10:24,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808115503] [2023-11-29 02:10:24,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808115503] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:10:24,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:10:24,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:10:24,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191850149] [2023-11-29 02:10:24,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:10:24,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:10:24,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:10:24,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:10:24,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:10:24,776 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 104 [2023-11-29 02:10:24,777 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 1029 transitions, 20172 flow. Second operand has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:24,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:10:24,777 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 104 [2023-11-29 02:10:24,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:10:28,616 INFO L124 PetriNetUnfolderBase]: 3036/8156 cut-off events. [2023-11-29 02:10:28,616 INFO L125 PetriNetUnfolderBase]: For 156224/157400 co-relation queries the response was YES. [2023-11-29 02:10:28,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52532 conditions, 8156 events. 3036/8156 cut-off events. For 156224/157400 co-relation queries the response was YES. Maximal size of possible extension queue 426. Compared 76832 event pairs, 276 based on Foata normal form. 214/8302 useless extension candidates. Maximal degree in co-relation 52373. Up to 2050 conditions per place. [2023-11-29 02:10:28,698 INFO L140 encePairwiseOnDemand]: 83/104 looper letters, 773 selfloop transitions, 225 changer transitions 0/1372 dead transitions. [2023-11-29 02:10:28,699 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 354 places, 1372 transitions, 25879 flow [2023-11-29 02:10:28,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:10:28,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 02:10:28,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1250 transitions. [2023-11-29 02:10:28,700 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8012820512820513 [2023-11-29 02:10:28,700 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1250 transitions. [2023-11-29 02:10:28,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1250 transitions. [2023-11-29 02:10:28,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:10:28,701 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1250 transitions. [2023-11-29 02:10:28,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 83.33333333333333) internal successors, (1250), 15 states have internal predecessors, (1250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:28,703 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:28,704 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:28,704 INFO L175 Difference]: Start difference. First operand has 340 places, 1029 transitions, 20172 flow. Second operand 15 states and 1250 transitions. [2023-11-29 02:10:28,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 354 places, 1372 transitions, 25879 flow [2023-11-29 02:10:29,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 1372 transitions, 25422 flow, removed 71 selfloop flow, removed 8 redundant places. [2023-11-29 02:10:29,835 INFO L231 Difference]: Finished difference. Result has 355 places, 1145 transitions, 22421 flow [2023-11-29 02:10:29,836 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=19763, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1029, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=129, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=852, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=22421, PETRI_PLACES=355, PETRI_TRANSITIONS=1145} [2023-11-29 02:10:29,837 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 256 predicate places. [2023-11-29 02:10:29,837 INFO L495 AbstractCegarLoop]: Abstraction has has 355 places, 1145 transitions, 22421 flow [2023-11-29 02:10:29,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:29,837 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:10:29,837 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:10:29,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 02:10:29,837 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:10:29,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:10:29,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1360388905, now seen corresponding path program 5 times [2023-11-29 02:10:29,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:10:29,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132084955] [2023-11-29 02:10:29,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:10:29,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:10:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:10:30,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:10:30,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:10:30,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132084955] [2023-11-29 02:10:30,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132084955] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:10:30,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:10:30,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:10:30,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484840516] [2023-11-29 02:10:30,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:10:30,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:10:30,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:10:30,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:10:30,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:10:30,502 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 104 [2023-11-29 02:10:30,503 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 1145 transitions, 22421 flow. Second operand has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:30,503 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:10:30,503 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 104 [2023-11-29 02:10:30,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:10:35,533 INFO L124 PetriNetUnfolderBase]: 3763/9568 cut-off events. [2023-11-29 02:10:35,533 INFO L125 PetriNetUnfolderBase]: For 175288/176006 co-relation queries the response was YES. [2023-11-29 02:10:35,618 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63552 conditions, 9568 events. 3763/9568 cut-off events. For 175288/176006 co-relation queries the response was YES. Maximal size of possible extension queue 440. Compared 88860 event pairs, 609 based on Foata normal form. 200/9687 useless extension candidates. Maximal degree in co-relation 63385. Up to 3187 conditions per place. [2023-11-29 02:10:35,664 INFO L140 encePairwiseOnDemand]: 75/104 looper letters, 996 selfloop transitions, 388 changer transitions 0/1487 dead transitions. [2023-11-29 02:10:35,664 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 1487 transitions, 29447 flow [2023-11-29 02:10:35,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:10:35,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 02:10:35,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1165 transitions. [2023-11-29 02:10:35,667 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7467948717948718 [2023-11-29 02:10:35,667 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1165 transitions. [2023-11-29 02:10:35,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1165 transitions. [2023-11-29 02:10:35,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:10:35,668 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1165 transitions. [2023-11-29 02:10:35,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 77.66666666666667) internal successors, (1165), 15 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:35,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:35,672 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:35,672 INFO L175 Difference]: Start difference. First operand has 355 places, 1145 transitions, 22421 flow. Second operand 15 states and 1165 transitions. [2023-11-29 02:10:35,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 1487 transitions, 29447 flow [2023-11-29 02:10:37,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 1487 transitions, 29320 flow, removed 49 selfloop flow, removed 3 redundant places. [2023-11-29 02:10:37,226 INFO L231 Difference]: Finished difference. Result has 374 places, 1212 transitions, 24996 flow [2023-11-29 02:10:37,227 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=22294, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=323, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=765, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=24996, PETRI_PLACES=374, PETRI_TRANSITIONS=1212} [2023-11-29 02:10:37,228 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 275 predicate places. [2023-11-29 02:10:37,228 INFO L495 AbstractCegarLoop]: Abstraction has has 374 places, 1212 transitions, 24996 flow [2023-11-29 02:10:37,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:37,228 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:10:37,228 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:10:37,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 02:10:37,229 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:10:37,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:10:37,229 INFO L85 PathProgramCache]: Analyzing trace with hash 535393011, now seen corresponding path program 2 times [2023-11-29 02:10:37,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:10:37,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667047616] [2023-11-29 02:10:37,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:10:37,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:10:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:10:37,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:10:37,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:10:37,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667047616] [2023-11-29 02:10:37,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667047616] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:10:37,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:10:37,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:10:37,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422166759] [2023-11-29 02:10:37,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:10:37,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:10:37,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:10:37,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:10:37,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:10:38,246 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 104 [2023-11-29 02:10:38,247 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 1212 transitions, 24996 flow. Second operand has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:38,248 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:10:38,248 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 104 [2023-11-29 02:10:38,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:10:42,453 INFO L124 PetriNetUnfolderBase]: 3066/8271 cut-off events. [2023-11-29 02:10:42,453 INFO L125 PetriNetUnfolderBase]: For 187710/189030 co-relation queries the response was YES. [2023-11-29 02:10:42,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57124 conditions, 8271 events. 3066/8271 cut-off events. For 187710/189030 co-relation queries the response was YES. Maximal size of possible extension queue 431. Compared 78239 event pairs, 259 based on Foata normal form. 257/8460 useless extension candidates. Maximal degree in co-relation 56949. Up to 2063 conditions per place. [2023-11-29 02:10:42,559 INFO L140 encePairwiseOnDemand]: 83/104 looper letters, 869 selfloop transitions, 255 changer transitions 0/1515 dead transitions. [2023-11-29 02:10:42,559 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 1515 transitions, 30436 flow [2023-11-29 02:10:42,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:10:42,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 02:10:42,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1251 transitions. [2023-11-29 02:10:42,561 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.801923076923077 [2023-11-29 02:10:42,561 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1251 transitions. [2023-11-29 02:10:42,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1251 transitions. [2023-11-29 02:10:42,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:10:42,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1251 transitions. [2023-11-29 02:10:42,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 83.4) internal successors, (1251), 15 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:42,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:42,567 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:42,567 INFO L175 Difference]: Start difference. First operand has 374 places, 1212 transitions, 24996 flow. Second operand 15 states and 1251 transitions. [2023-11-29 02:10:42,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 1515 transitions, 30436 flow [2023-11-29 02:10:44,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 1515 transitions, 30158 flow, removed 86 selfloop flow, removed 5 redundant places. [2023-11-29 02:10:44,141 INFO L231 Difference]: Finished difference. Result has 392 places, 1261 transitions, 26416 flow [2023-11-29 02:10:44,142 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=24728, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=206, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=968, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=26416, PETRI_PLACES=392, PETRI_TRANSITIONS=1261} [2023-11-29 02:10:44,142 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 293 predicate places. [2023-11-29 02:10:44,142 INFO L495 AbstractCegarLoop]: Abstraction has has 392 places, 1261 transitions, 26416 flow [2023-11-29 02:10:44,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:44,143 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:10:44,143 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:10:44,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 02:10:44,143 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:10:44,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:10:44,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1710485852, now seen corresponding path program 1 times [2023-11-29 02:10:44,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:10:44,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025773270] [2023-11-29 02:10:44,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:10:44,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:10:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:10:44,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:10:44,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:10:44,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025773270] [2023-11-29 02:10:44,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025773270] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:10:44,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:10:44,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:10:44,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695358151] [2023-11-29 02:10:44,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:10:44,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:10:44,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:10:44,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:10:44,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:10:44,907 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 104 [2023-11-29 02:10:44,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 1261 transitions, 26416 flow. Second operand has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:44,908 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:10:44,908 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 104 [2023-11-29 02:10:44,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:10:50,374 INFO L124 PetriNetUnfolderBase]: 3695/9406 cut-off events. [2023-11-29 02:10:50,374 INFO L125 PetriNetUnfolderBase]: For 208816/209611 co-relation queries the response was YES. [2023-11-29 02:10:50,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67915 conditions, 9406 events. 3695/9406 cut-off events. For 208816/209611 co-relation queries the response was YES. Maximal size of possible extension queue 444. Compared 87129 event pairs, 547 based on Foata normal form. 150/9486 useless extension candidates. Maximal degree in co-relation 67731. Up to 3169 conditions per place. [2023-11-29 02:10:50,497 INFO L140 encePairwiseOnDemand]: 79/104 looper letters, 1244 selfloop transitions, 286 changer transitions 0/1649 dead transitions. [2023-11-29 02:10:50,497 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 1649 transitions, 34289 flow [2023-11-29 02:10:50,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 02:10:50,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-11-29 02:10:50,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1224 transitions. [2023-11-29 02:10:50,499 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7355769230769231 [2023-11-29 02:10:50,499 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1224 transitions. [2023-11-29 02:10:50,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1224 transitions. [2023-11-29 02:10:50,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:10:50,500 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1224 transitions. [2023-11-29 02:10:50,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 76.5) internal successors, (1224), 16 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:50,502 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 104.0) internal successors, (1768), 17 states have internal predecessors, (1768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:50,503 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 104.0) internal successors, (1768), 17 states have internal predecessors, (1768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:50,503 INFO L175 Difference]: Start difference. First operand has 392 places, 1261 transitions, 26416 flow. Second operand 16 states and 1224 transitions. [2023-11-29 02:10:50,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 1649 transitions, 34289 flow [2023-11-29 02:10:52,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 1649 transitions, 34036 flow, removed 66 selfloop flow, removed 5 redundant places. [2023-11-29 02:10:52,456 INFO L231 Difference]: Finished difference. Result has 410 places, 1356 transitions, 28486 flow [2023-11-29 02:10:52,457 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=26224, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=197, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1020, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=28486, PETRI_PLACES=410, PETRI_TRANSITIONS=1356} [2023-11-29 02:10:52,457 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 311 predicate places. [2023-11-29 02:10:52,458 INFO L495 AbstractCegarLoop]: Abstraction has has 410 places, 1356 transitions, 28486 flow [2023-11-29 02:10:52,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:52,458 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:10:52,458 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:10:52,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 02:10:52,458 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:10:52,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:10:52,458 INFO L85 PathProgramCache]: Analyzing trace with hash -652652557, now seen corresponding path program 3 times [2023-11-29 02:10:52,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:10:52,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794890144] [2023-11-29 02:10:52,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:10:52,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:10:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:10:52,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:10:52,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:10:52,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794890144] [2023-11-29 02:10:52,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794890144] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:10:52,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:10:52,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:10:52,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168130220] [2023-11-29 02:10:52,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:10:52,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:10:52,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:10:52,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:10:52,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:10:53,367 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 104 [2023-11-29 02:10:53,368 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 1356 transitions, 28486 flow. Second operand has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:53,368 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:10:53,368 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 104 [2023-11-29 02:10:53,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:10:57,681 INFO L124 PetriNetUnfolderBase]: 3112/8360 cut-off events. [2023-11-29 02:10:57,681 INFO L125 PetriNetUnfolderBase]: For 219166/220542 co-relation queries the response was YES. [2023-11-29 02:10:57,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62326 conditions, 8360 events. 3112/8360 cut-off events. For 219166/220542 co-relation queries the response was YES. Maximal size of possible extension queue 432. Compared 78961 event pairs, 266 based on Foata normal form. 333/8626 useless extension candidates. Maximal degree in co-relation 62134. Up to 2071 conditions per place. [2023-11-29 02:10:57,804 INFO L140 encePairwiseOnDemand]: 83/104 looper letters, 871 selfloop transitions, 291 changer transitions 0/1572 dead transitions. [2023-11-29 02:10:57,804 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 1572 transitions, 33792 flow [2023-11-29 02:10:57,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 02:10:57,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-29 02:10:57,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1169 transitions. [2023-11-29 02:10:57,806 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8028846153846154 [2023-11-29 02:10:57,806 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1169 transitions. [2023-11-29 02:10:57,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1169 transitions. [2023-11-29 02:10:57,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:10:57,806 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1169 transitions. [2023-11-29 02:10:57,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 83.5) internal successors, (1169), 14 states have internal predecessors, (1169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:57,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:57,809 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:57,809 INFO L175 Difference]: Start difference. First operand has 410 places, 1356 transitions, 28486 flow. Second operand 14 states and 1169 transitions. [2023-11-29 02:10:57,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 1572 transitions, 33792 flow [2023-11-29 02:10:59,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 421 places, 1572 transitions, 33603 flow, removed 93 selfloop flow, removed 2 redundant places. [2023-11-29 02:10:59,898 INFO L231 Difference]: Finished difference. Result has 429 places, 1392 transitions, 30481 flow [2023-11-29 02:10:59,899 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=28297, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=255, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1080, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=30481, PETRI_PLACES=429, PETRI_TRANSITIONS=1392} [2023-11-29 02:10:59,900 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 330 predicate places. [2023-11-29 02:10:59,900 INFO L495 AbstractCegarLoop]: Abstraction has has 429 places, 1392 transitions, 30481 flow [2023-11-29 02:10:59,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:10:59,900 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:10:59,900 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:10:59,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 02:10:59,900 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:10:59,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:10:59,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1375928819, now seen corresponding path program 4 times [2023-11-29 02:10:59,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:10:59,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705099617] [2023-11-29 02:10:59,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:10:59,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:10:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:11:00,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:11:00,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:11:00,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705099617] [2023-11-29 02:11:00,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705099617] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:11:00,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:11:00,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:11:00,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703179045] [2023-11-29 02:11:00,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:11:00,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:11:00,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:11:00,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:11:00,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:11:00,829 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 104 [2023-11-29 02:11:00,830 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 1392 transitions, 30481 flow. Second operand has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:00,830 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:11:00,830 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 104 [2023-11-29 02:11:00,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:11:05,831 INFO L124 PetriNetUnfolderBase]: 3170/8528 cut-off events. [2023-11-29 02:11:05,831 INFO L125 PetriNetUnfolderBase]: For 245212/246677 co-relation queries the response was YES. [2023-11-29 02:11:05,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65642 conditions, 8528 events. 3170/8528 cut-off events. For 245212/246677 co-relation queries the response was YES. Maximal size of possible extension queue 443. Compared 80908 event pairs, 265 based on Foata normal form. 373/8834 useless extension candidates. Maximal degree in co-relation 65441. Up to 2083 conditions per place. [2023-11-29 02:11:05,953 INFO L140 encePairwiseOnDemand]: 83/104 looper letters, 910 selfloop transitions, 329 changer transitions 0/1649 dead transitions. [2023-11-29 02:11:05,953 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 1649 transitions, 36766 flow [2023-11-29 02:11:05,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:11:05,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 02:11:05,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1251 transitions. [2023-11-29 02:11:05,954 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.801923076923077 [2023-11-29 02:11:05,954 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1251 transitions. [2023-11-29 02:11:05,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1251 transitions. [2023-11-29 02:11:05,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:11:05,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1251 transitions. [2023-11-29 02:11:05,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 83.4) internal successors, (1251), 15 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:05,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:05,958 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:05,958 INFO L175 Difference]: Start difference. First operand has 429 places, 1392 transitions, 30481 flow. Second operand 15 states and 1251 transitions. [2023-11-29 02:11:05,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 1649 transitions, 36766 flow [2023-11-29 02:11:07,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 439 places, 1649 transitions, 36667 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 02:11:07,871 INFO L231 Difference]: Finished difference. Result has 446 places, 1444 transitions, 32939 flow [2023-11-29 02:11:07,872 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=30382, PETRI_DIFFERENCE_MINUEND_PLACES=425, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1392, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=279, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1080, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=32939, PETRI_PLACES=446, PETRI_TRANSITIONS=1444} [2023-11-29 02:11:07,872 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 347 predicate places. [2023-11-29 02:11:07,872 INFO L495 AbstractCegarLoop]: Abstraction has has 446 places, 1444 transitions, 32939 flow [2023-11-29 02:11:07,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:07,872 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:11:07,873 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:11:07,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 02:11:07,873 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:11:07,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:11:07,873 INFO L85 PathProgramCache]: Analyzing trace with hash 783367837, now seen corresponding path program 5 times [2023-11-29 02:11:07,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:11:07,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462045458] [2023-11-29 02:11:07,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:11:07,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:11:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:11:08,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:11:08,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:11:08,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462045458] [2023-11-29 02:11:08,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462045458] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:11:08,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:11:08,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:11:08,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846086691] [2023-11-29 02:11:08,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:11:08,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:11:08,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:11:08,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:11:08,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:11:08,772 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 104 [2023-11-29 02:11:08,773 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 1444 transitions, 32939 flow. Second operand has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:08,773 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:11:08,773 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 104 [2023-11-29 02:11:08,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:11:13,477 INFO L124 PetriNetUnfolderBase]: 3196/8607 cut-off events. [2023-11-29 02:11:13,477 INFO L125 PetriNetUnfolderBase]: For 270466/272105 co-relation queries the response was YES. [2023-11-29 02:11:13,609 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68149 conditions, 8607 events. 3196/8607 cut-off events. For 270466/272105 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 81843 event pairs, 262 based on Foata normal form. 475/9008 useless extension candidates. Maximal degree in co-relation 67941. Up to 2088 conditions per place. [2023-11-29 02:11:13,648 INFO L140 encePairwiseOnDemand]: 83/104 looper letters, 911 selfloop transitions, 350 changer transitions 0/1671 dead transitions. [2023-11-29 02:11:13,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 1671 transitions, 38855 flow [2023-11-29 02:11:13,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:11:13,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 02:11:13,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1248 transitions. [2023-11-29 02:11:13,649 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8 [2023-11-29 02:11:13,649 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1248 transitions. [2023-11-29 02:11:13,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1248 transitions. [2023-11-29 02:11:13,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:11:13,650 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1248 transitions. [2023-11-29 02:11:13,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 83.2) internal successors, (1248), 15 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:13,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:13,653 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:13,653 INFO L175 Difference]: Start difference. First operand has 446 places, 1444 transitions, 32939 flow. Second operand 15 states and 1248 transitions. [2023-11-29 02:11:13,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 1671 transitions, 38855 flow [2023-11-29 02:11:15,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 1671 transitions, 38639 flow, removed 34 selfloop flow, removed 6 redundant places. [2023-11-29 02:11:15,915 INFO L231 Difference]: Finished difference. Result has 461 places, 1485 transitions, 35393 flow [2023-11-29 02:11:15,916 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=32723, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=310, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=35393, PETRI_PLACES=461, PETRI_TRANSITIONS=1485} [2023-11-29 02:11:15,917 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 362 predicate places. [2023-11-29 02:11:15,917 INFO L495 AbstractCegarLoop]: Abstraction has has 461 places, 1485 transitions, 35393 flow [2023-11-29 02:11:15,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:15,917 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:11:15,917 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:11:15,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 02:11:15,917 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:11:15,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:11:15,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1187657451, now seen corresponding path program 7 times [2023-11-29 02:11:15,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:11:15,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626324950] [2023-11-29 02:11:15,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:11:15,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:11:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:11:16,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:11:16,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:11:16,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626324950] [2023-11-29 02:11:16,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626324950] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:11:16,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:11:16,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:11:16,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748460807] [2023-11-29 02:11:16,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:11:16,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:11:16,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:11:16,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:11:16,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:11:16,983 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 104 [2023-11-29 02:11:16,984 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 461 places, 1485 transitions, 35393 flow. Second operand has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:16,984 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:11:16,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 104 [2023-11-29 02:11:16,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:11:21,827 INFO L124 PetriNetUnfolderBase]: 3193/8638 cut-off events. [2023-11-29 02:11:21,827 INFO L125 PetriNetUnfolderBase]: For 299326/301006 co-relation queries the response was YES. [2023-11-29 02:11:21,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70937 conditions, 8638 events. 3193/8638 cut-off events. For 299326/301006 co-relation queries the response was YES. Maximal size of possible extension queue 457. Compared 82543 event pairs, 277 based on Foata normal form. 540/9109 useless extension candidates. Maximal degree in co-relation 70722. Up to 2127 conditions per place. [2023-11-29 02:11:21,992 INFO L140 encePairwiseOnDemand]: 83/104 looper letters, 859 selfloop transitions, 518 changer transitions 0/1667 dead transitions. [2023-11-29 02:11:21,992 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 475 places, 1667 transitions, 41578 flow [2023-11-29 02:11:21,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:11:21,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 02:11:21,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1231 transitions. [2023-11-29 02:11:21,994 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7891025641025641 [2023-11-29 02:11:21,994 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1231 transitions. [2023-11-29 02:11:21,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1231 transitions. [2023-11-29 02:11:21,995 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:11:21,995 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1231 transitions. [2023-11-29 02:11:21,996 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 82.06666666666666) internal successors, (1231), 15 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:21,998 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:21,998 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:21,999 INFO L175 Difference]: Start difference. First operand has 461 places, 1485 transitions, 35393 flow. Second operand 15 states and 1231 transitions. [2023-11-29 02:11:21,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 475 places, 1667 transitions, 41578 flow [2023-11-29 02:11:24,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 470 places, 1667 transitions, 41388 flow, removed 23 selfloop flow, removed 5 redundant places. [2023-11-29 02:11:24,833 INFO L231 Difference]: Finished difference. Result has 477 places, 1532 transitions, 38584 flow [2023-11-29 02:11:24,834 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=35226, PETRI_DIFFERENCE_MINUEND_PLACES=456, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=472, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=984, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=38584, PETRI_PLACES=477, PETRI_TRANSITIONS=1532} [2023-11-29 02:11:24,835 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 378 predicate places. [2023-11-29 02:11:24,835 INFO L495 AbstractCegarLoop]: Abstraction has has 477 places, 1532 transitions, 38584 flow [2023-11-29 02:11:24,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:24,835 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:11:24,835 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:11:24,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 02:11:24,835 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:11:24,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:11:24,836 INFO L85 PathProgramCache]: Analyzing trace with hash -2082567129, now seen corresponding path program 6 times [2023-11-29 02:11:24,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:11:24,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688754216] [2023-11-29 02:11:24,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:11:24,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:11:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:11:25,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:11:25,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:11:25,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688754216] [2023-11-29 02:11:25,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688754216] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:11:25,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:11:25,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:11:25,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649090330] [2023-11-29 02:11:25,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:11:25,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:11:25,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:11:25,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:11:25,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:11:25,736 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 104 [2023-11-29 02:11:25,737 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 477 places, 1532 transitions, 38584 flow. Second operand has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:25,737 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:11:25,737 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 104 [2023-11-29 02:11:25,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:11:31,031 INFO L124 PetriNetUnfolderBase]: 3238/8747 cut-off events. [2023-11-29 02:11:31,031 INFO L125 PetriNetUnfolderBase]: For 324749/326457 co-relation queries the response was YES. [2023-11-29 02:11:31,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73016 conditions, 8747 events. 3238/8747 cut-off events. For 324749/326457 co-relation queries the response was YES. Maximal size of possible extension queue 455. Compared 83570 event pairs, 256 based on Foata normal form. 463/9142 useless extension candidates. Maximal degree in co-relation 72794. Up to 2098 conditions per place. [2023-11-29 02:11:31,191 INFO L140 encePairwiseOnDemand]: 83/104 looper letters, 973 selfloop transitions, 381 changer transitions 0/1775 dead transitions. [2023-11-29 02:11:31,191 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 491 places, 1775 transitions, 44665 flow [2023-11-29 02:11:31,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:11:31,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 02:11:31,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1229 transitions. [2023-11-29 02:11:31,193 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7878205128205128 [2023-11-29 02:11:31,193 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1229 transitions. [2023-11-29 02:11:31,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1229 transitions. [2023-11-29 02:11:31,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:11:31,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1229 transitions. [2023-11-29 02:11:31,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 81.93333333333334) internal successors, (1229), 15 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:31,196 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:31,196 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:31,196 INFO L175 Difference]: Start difference. First operand has 477 places, 1532 transitions, 38584 flow. Second operand 15 states and 1229 transitions. [2023-11-29 02:11:31,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 491 places, 1775 transitions, 44665 flow [2023-11-29 02:11:33,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 485 places, 1775 transitions, 44207 flow, removed 25 selfloop flow, removed 6 redundant places. [2023-11-29 02:11:33,820 INFO L231 Difference]: Finished difference. Result has 495 places, 1579 transitions, 40587 flow [2023-11-29 02:11:33,821 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=38145, PETRI_DIFFERENCE_MINUEND_PLACES=471, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=334, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=40587, PETRI_PLACES=495, PETRI_TRANSITIONS=1579} [2023-11-29 02:11:33,822 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 396 predicate places. [2023-11-29 02:11:33,822 INFO L495 AbstractCegarLoop]: Abstraction has has 495 places, 1579 transitions, 40587 flow [2023-11-29 02:11:33,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:33,822 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:11:33,822 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:11:33,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 02:11:33,822 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:11:33,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:11:33,823 INFO L85 PathProgramCache]: Analyzing trace with hash -773796645, now seen corresponding path program 8 times [2023-11-29 02:11:33,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:11:33,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996260558] [2023-11-29 02:11:33,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:11:33,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:11:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:11:34,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:11:34,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:11:34,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996260558] [2023-11-29 02:11:34,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996260558] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:11:34,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:11:34,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:11:34,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991124386] [2023-11-29 02:11:34,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:11:34,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:11:34,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:11:34,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:11:34,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:11:34,605 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 104 [2023-11-29 02:11:34,606 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 495 places, 1579 transitions, 40587 flow. Second operand has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:34,606 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:11:34,606 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 104 [2023-11-29 02:11:34,606 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:11:40,286 INFO L124 PetriNetUnfolderBase]: 3274/8853 cut-off events. [2023-11-29 02:11:40,286 INFO L125 PetriNetUnfolderBase]: For 363097/365006 co-relation queries the response was YES. [2023-11-29 02:11:40,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76419 conditions, 8853 events. 3274/8853 cut-off events. For 363097/365006 co-relation queries the response was YES. Maximal size of possible extension queue 470. Compared 84885 event pairs, 282 based on Foata normal form. 575/9359 useless extension candidates. Maximal degree in co-relation 76186. Up to 2134 conditions per place. [2023-11-29 02:11:40,447 INFO L140 encePairwiseOnDemand]: 83/104 looper letters, 917 selfloop transitions, 562 changer transitions 0/1796 dead transitions. [2023-11-29 02:11:40,447 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 509 places, 1796 transitions, 48100 flow [2023-11-29 02:11:40,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:11:40,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 02:11:40,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1233 transitions. [2023-11-29 02:11:40,448 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7903846153846154 [2023-11-29 02:11:40,449 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1233 transitions. [2023-11-29 02:11:40,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1233 transitions. [2023-11-29 02:11:40,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:11:40,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1233 transitions. [2023-11-29 02:11:40,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 82.2) internal successors, (1233), 15 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:40,451 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:40,451 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:40,451 INFO L175 Difference]: Start difference. First operand has 495 places, 1579 transitions, 40587 flow. Second operand 15 states and 1233 transitions. [2023-11-29 02:11:40,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 509 places, 1796 transitions, 48100 flow [2023-11-29 02:11:43,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 506 places, 1796 transitions, 47898 flow, removed 81 selfloop flow, removed 3 redundant places. [2023-11-29 02:11:43,397 INFO L231 Difference]: Finished difference. Result has 514 places, 1641 transitions, 44349 flow [2023-11-29 02:11:43,398 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=40389, PETRI_DIFFERENCE_MINUEND_PLACES=492, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1579, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=502, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1036, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=44349, PETRI_PLACES=514, PETRI_TRANSITIONS=1641} [2023-11-29 02:11:43,398 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 415 predicate places. [2023-11-29 02:11:43,398 INFO L495 AbstractCegarLoop]: Abstraction has has 514 places, 1641 transitions, 44349 flow [2023-11-29 02:11:43,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:43,399 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:11:43,399 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:11:43,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 02:11:43,399 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:11:43,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:11:43,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1668478524, now seen corresponding path program 2 times [2023-11-29 02:11:43,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:11:43,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140409779] [2023-11-29 02:11:43,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:11:43,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:11:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:11:43,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:11:43,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:11:43,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140409779] [2023-11-29 02:11:43,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140409779] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:11:43,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:11:43,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:11:43,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974325551] [2023-11-29 02:11:43,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:11:43,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:11:43,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:11:43,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:11:43,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:11:44,024 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 104 [2023-11-29 02:11:44,025 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 514 places, 1641 transitions, 44349 flow. Second operand has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:44,025 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:11:44,025 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 104 [2023-11-29 02:11:44,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:11:52,245 INFO L124 PetriNetUnfolderBase]: 4212/10779 cut-off events. [2023-11-29 02:11:52,245 INFO L125 PetriNetUnfolderBase]: For 424594/425832 co-relation queries the response was YES. [2023-11-29 02:11:52,454 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94203 conditions, 10779 events. 4212/10779 cut-off events. For 424594/425832 co-relation queries the response was YES. Maximal size of possible extension queue 513. Compared 102977 event pairs, 682 based on Foata normal form. 326/11019 useless extension candidates. Maximal degree in co-relation 93962. Up to 3242 conditions per place. [2023-11-29 02:11:52,522 INFO L140 encePairwiseOnDemand]: 79/104 looper letters, 1242 selfloop transitions, 609 changer transitions 0/1989 dead transitions. [2023-11-29 02:11:52,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 1989 transitions, 53961 flow [2023-11-29 02:11:52,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:11:52,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 02:11:52,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1137 transitions. [2023-11-29 02:11:52,524 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7288461538461538 [2023-11-29 02:11:52,524 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1137 transitions. [2023-11-29 02:11:52,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1137 transitions. [2023-11-29 02:11:52,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:11:52,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1137 transitions. [2023-11-29 02:11:52,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 75.8) internal successors, (1137), 15 states have internal predecessors, (1137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:52,527 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:52,527 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:52,527 INFO L175 Difference]: Start difference. First operand has 514 places, 1641 transitions, 44349 flow. Second operand 15 states and 1137 transitions. [2023-11-29 02:11:52,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 1989 transitions, 53961 flow [2023-11-29 02:11:56,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 523 places, 1989 transitions, 53404 flow, removed 97 selfloop flow, removed 5 redundant places. [2023-11-29 02:11:57,026 INFO L231 Difference]: Finished difference. Result has 531 places, 1779 transitions, 48639 flow [2023-11-29 02:11:57,027 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=43802, PETRI_DIFFERENCE_MINUEND_PLACES=509, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1641, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=476, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1074, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=48639, PETRI_PLACES=531, PETRI_TRANSITIONS=1779} [2023-11-29 02:11:57,028 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 432 predicate places. [2023-11-29 02:11:57,028 INFO L495 AbstractCegarLoop]: Abstraction has has 531 places, 1779 transitions, 48639 flow [2023-11-29 02:11:57,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:57,028 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:11:57,028 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:11:57,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 02:11:57,028 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:11:57,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:11:57,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1666219056, now seen corresponding path program 3 times [2023-11-29 02:11:57,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:11:57,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315546181] [2023-11-29 02:11:57,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:11:57,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:11:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:11:57,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:11:57,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:11:57,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315546181] [2023-11-29 02:11:57,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315546181] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:11:57,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:11:57,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:11:57,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437507288] [2023-11-29 02:11:57,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:11:57,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:11:57,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:11:57,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:11:57,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:11:57,806 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 104 [2023-11-29 02:11:57,807 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 531 places, 1779 transitions, 48639 flow. Second operand has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:11:57,807 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:11:57,807 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 104 [2023-11-29 02:11:57,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:12:06,159 INFO L124 PetriNetUnfolderBase]: 4198/10749 cut-off events. [2023-11-29 02:12:06,159 INFO L125 PetriNetUnfolderBase]: For 447064/448336 co-relation queries the response was YES. [2023-11-29 02:12:06,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96534 conditions, 10749 events. 4198/10749 cut-off events. For 447064/448336 co-relation queries the response was YES. Maximal size of possible extension queue 511. Compared 102568 event pairs, 642 based on Foata normal form. 341/11008 useless extension candidates. Maximal degree in co-relation 96284. Up to 3242 conditions per place. [2023-11-29 02:12:06,441 INFO L140 encePairwiseOnDemand]: 79/104 looper letters, 1489 selfloop transitions, 404 changer transitions 0/2031 dead transitions. [2023-11-29 02:12:06,442 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 545 places, 2031 transitions, 56485 flow [2023-11-29 02:12:06,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:12:06,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 02:12:06,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1140 transitions. [2023-11-29 02:12:06,443 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7307692307692307 [2023-11-29 02:12:06,443 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1140 transitions. [2023-11-29 02:12:06,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1140 transitions. [2023-11-29 02:12:06,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:12:06,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1140 transitions. [2023-11-29 02:12:06,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 76.0) internal successors, (1140), 15 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:06,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:06,447 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:06,447 INFO L175 Difference]: Start difference. First operand has 531 places, 1779 transitions, 48639 flow. Second operand 15 states and 1140 transitions. [2023-11-29 02:12:06,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 545 places, 2031 transitions, 56485 flow [2023-11-29 02:12:11,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 2031 transitions, 56122 flow, removed 113 selfloop flow, removed 4 redundant places. [2023-11-29 02:12:11,286 INFO L231 Difference]: Finished difference. Result has 549 places, 1823 transitions, 50797 flow [2023-11-29 02:12:11,287 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=48310, PETRI_DIFFERENCE_MINUEND_PLACES=527, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1779, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=360, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=50797, PETRI_PLACES=549, PETRI_TRANSITIONS=1823} [2023-11-29 02:12:11,288 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 450 predicate places. [2023-11-29 02:12:11,288 INFO L495 AbstractCegarLoop]: Abstraction has has 549 places, 1823 transitions, 50797 flow [2023-11-29 02:12:11,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:11,288 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:12:11,288 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:12:11,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 02:12:11,288 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:12:11,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:12:11,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1571906251, now seen corresponding path program 6 times [2023-11-29 02:12:11,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:12:11,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783664170] [2023-11-29 02:12:11,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:12:11,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:12:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:12:11,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:11,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:12:11,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783664170] [2023-11-29 02:12:11,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783664170] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:12:11,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:12:11,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:12:11,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441437151] [2023-11-29 02:12:11,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:12:11,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:12:11,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:12:11,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:12:11,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:12:12,017 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 104 [2023-11-29 02:12:12,017 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 549 places, 1823 transitions, 50797 flow. Second operand has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:12,017 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:12:12,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 104 [2023-11-29 02:12:12,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:12:21,494 INFO L124 PetriNetUnfolderBase]: 4351/11032 cut-off events. [2023-11-29 02:12:21,494 INFO L125 PetriNetUnfolderBase]: For 479244/480374 co-relation queries the response was YES. [2023-11-29 02:12:21,731 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100366 conditions, 11032 events. 4351/11032 cut-off events. For 479244/480374 co-relation queries the response was YES. Maximal size of possible extension queue 505. Compared 104927 event pairs, 700 based on Foata normal form. 279/11211 useless extension candidates. Maximal degree in co-relation 100107. Up to 3378 conditions per place. [2023-11-29 02:12:21,787 INFO L140 encePairwiseOnDemand]: 75/104 looper letters, 1487 selfloop transitions, 469 changer transitions 0/2104 dead transitions. [2023-11-29 02:12:21,787 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 563 places, 2104 transitions, 59504 flow [2023-11-29 02:12:21,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:12:21,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 02:12:21,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1139 transitions. [2023-11-29 02:12:21,789 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7301282051282051 [2023-11-29 02:12:21,789 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1139 transitions. [2023-11-29 02:12:21,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1139 transitions. [2023-11-29 02:12:21,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:12:21,790 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1139 transitions. [2023-11-29 02:12:21,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 75.93333333333334) internal successors, (1139), 15 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:21,792 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:21,792 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:21,792 INFO L175 Difference]: Start difference. First operand has 549 places, 1823 transitions, 50797 flow. Second operand 15 states and 1139 transitions. [2023-11-29 02:12:21,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 563 places, 2104 transitions, 59504 flow [2023-11-29 02:12:26,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 558 places, 2104 transitions, 59016 flow, removed 130 selfloop flow, removed 5 redundant places. [2023-11-29 02:12:26,657 INFO L231 Difference]: Finished difference. Result has 567 places, 1885 transitions, 53467 flow [2023-11-29 02:12:26,659 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=50418, PETRI_DIFFERENCE_MINUEND_PLACES=544, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1823, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=407, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=53467, PETRI_PLACES=567, PETRI_TRANSITIONS=1885} [2023-11-29 02:12:26,659 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 468 predicate places. [2023-11-29 02:12:26,659 INFO L495 AbstractCegarLoop]: Abstraction has has 567 places, 1885 transitions, 53467 flow [2023-11-29 02:12:26,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:26,660 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:12:26,660 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:12:26,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 02:12:26,660 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:12:26,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:12:26,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1472463789, now seen corresponding path program 9 times [2023-11-29 02:12:26,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:12:26,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829408407] [2023-11-29 02:12:26,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:12:26,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:12:26,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:12:26,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:26,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:12:26,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829408407] [2023-11-29 02:12:26,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829408407] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:12:26,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:12:26,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:12:26,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211923822] [2023-11-29 02:12:26,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:12:26,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:12:26,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:12:26,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:12:26,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:12:27,575 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 104 [2023-11-29 02:12:27,576 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 567 places, 1885 transitions, 53467 flow. Second operand has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:27,576 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:12:27,576 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 104 [2023-11-29 02:12:27,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:12:36,749 INFO L124 PetriNetUnfolderBase]: 3493/9382 cut-off events. [2023-11-29 02:12:36,749 INFO L125 PetriNetUnfolderBase]: For 488054/490152 co-relation queries the response was YES. [2023-11-29 02:12:36,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89809 conditions, 9382 events. 3493/9382 cut-off events. For 488054/490152 co-relation queries the response was YES. Maximal size of possible extension queue 489. Compared 90617 event pairs, 281 based on Foata normal form. 692/10010 useless extension candidates. Maximal degree in co-relation 89540. Up to 2330 conditions per place. [2023-11-29 02:12:36,939 INFO L140 encePairwiseOnDemand]: 83/104 looper letters, 1046 selfloop transitions, 631 changer transitions 0/2053 dead transitions. [2023-11-29 02:12:36,939 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 581 places, 2053 transitions, 60731 flow [2023-11-29 02:12:36,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:12:36,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 02:12:36,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1233 transitions. [2023-11-29 02:12:36,940 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7903846153846154 [2023-11-29 02:12:36,940 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1233 transitions. [2023-11-29 02:12:36,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1233 transitions. [2023-11-29 02:12:36,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:12:36,941 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1233 transitions. [2023-11-29 02:12:36,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 82.2) internal successors, (1233), 15 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:36,943 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:36,943 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:36,943 INFO L175 Difference]: Start difference. First operand has 567 places, 1885 transitions, 53467 flow. Second operand 15 states and 1233 transitions. [2023-11-29 02:12:36,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 581 places, 2053 transitions, 60731 flow [2023-11-29 02:12:41,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 578 places, 2053 transitions, 60363 flow, removed 159 selfloop flow, removed 3 redundant places. [2023-11-29 02:12:41,683 INFO L231 Difference]: Finished difference. Result has 585 places, 1931 transitions, 57143 flow [2023-11-29 02:12:41,685 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=53204, PETRI_DIFFERENCE_MINUEND_PLACES=564, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1885, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=587, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=57143, PETRI_PLACES=585, PETRI_TRANSITIONS=1931} [2023-11-29 02:12:41,685 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 486 predicate places. [2023-11-29 02:12:41,686 INFO L495 AbstractCegarLoop]: Abstraction has has 585 places, 1931 transitions, 57143 flow [2023-11-29 02:12:41,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:41,686 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:12:41,686 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:12:41,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 02:12:41,686 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:12:41,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:12:41,687 INFO L85 PathProgramCache]: Analyzing trace with hash -120701872, now seen corresponding path program 4 times [2023-11-29 02:12:41,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:12:41,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945562896] [2023-11-29 02:12:41,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:12:41,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:12:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:12:41,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:41,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:12:41,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945562896] [2023-11-29 02:12:41,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945562896] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:12:41,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:12:41,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:12:41,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422091021] [2023-11-29 02:12:41,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:12:41,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:12:41,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:12:41,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:12:41,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:12:42,448 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 104 [2023-11-29 02:12:42,449 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 585 places, 1931 transitions, 57143 flow. Second operand has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:42,449 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:12:42,449 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 104 [2023-11-29 02:12:42,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:12:53,393 INFO L124 PetriNetUnfolderBase]: 4337/11077 cut-off events. [2023-11-29 02:12:53,393 INFO L125 PetriNetUnfolderBase]: For 551240/552523 co-relation queries the response was YES. [2023-11-29 02:12:53,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105871 conditions, 11077 events. 4337/11077 cut-off events. For 551240/552523 co-relation queries the response was YES. Maximal size of possible extension queue 525. Compared 106088 event pairs, 729 based on Foata normal form. 353/11332 useless extension candidates. Maximal degree in co-relation 105595. Up to 3325 conditions per place. [2023-11-29 02:12:53,600 INFO L140 encePairwiseOnDemand]: 79/104 looper letters, 1304 selfloop transitions, 698 changer transitions 0/2153 dead transitions. [2023-11-29 02:12:53,601 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 599 places, 2153 transitions, 64856 flow [2023-11-29 02:12:53,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:12:53,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 02:12:53,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1138 transitions. [2023-11-29 02:12:53,603 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7294871794871794 [2023-11-29 02:12:53,603 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1138 transitions. [2023-11-29 02:12:53,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1138 transitions. [2023-11-29 02:12:53,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:12:53,603 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1138 transitions. [2023-11-29 02:12:53,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 75.86666666666666) internal successors, (1138), 15 states have internal predecessors, (1138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:53,606 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:53,606 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:53,606 INFO L175 Difference]: Start difference. First operand has 585 places, 1931 transitions, 57143 flow. Second operand 15 states and 1138 transitions. [2023-11-29 02:12:53,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 599 places, 2153 transitions, 64856 flow [2023-11-29 02:12:59,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 593 places, 2153 transitions, 64293 flow, removed 57 selfloop flow, removed 6 redundant places. [2023-11-29 02:12:59,362 INFO L231 Difference]: Finished difference. Result has 601 places, 1983 transitions, 60105 flow [2023-11-29 02:12:59,363 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=56580, PETRI_DIFFERENCE_MINUEND_PLACES=579, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1931, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=648, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=60105, PETRI_PLACES=601, PETRI_TRANSITIONS=1983} [2023-11-29 02:12:59,364 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 502 predicate places. [2023-11-29 02:12:59,364 INFO L495 AbstractCegarLoop]: Abstraction has has 601 places, 1983 transitions, 60105 flow [2023-11-29 02:12:59,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:59,365 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:12:59,365 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:12:59,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-29 02:12:59,365 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:12:59,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:12:59,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1091098928, now seen corresponding path program 5 times [2023-11-29 02:12:59,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:12:59,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231770433] [2023-11-29 02:12:59,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:12:59,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:12:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:12:59,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:59,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:12:59,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231770433] [2023-11-29 02:12:59,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231770433] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:12:59,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:12:59,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:12:59,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617112108] [2023-11-29 02:12:59,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:12:59,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:12:59,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:12:59,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:12:59,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:13:00,019 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 104 [2023-11-29 02:13:00,020 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 601 places, 1983 transitions, 60105 flow. Second operand has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:13:00,020 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:13:00,020 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 104 [2023-11-29 02:13:00,020 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:13:10,241 INFO L124 PetriNetUnfolderBase]: 4370/11169 cut-off events. [2023-11-29 02:13:10,241 INFO L125 PetriNetUnfolderBase]: For 583008/584286 co-relation queries the response was YES. [2023-11-29 02:13:10,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109160 conditions, 11169 events. 4370/11169 cut-off events. For 583008/584286 co-relation queries the response was YES. Maximal size of possible extension queue 530. Compared 107260 event pairs, 694 based on Foata normal form. 319/11401 useless extension candidates. Maximal degree in co-relation 108875. Up to 3529 conditions per place. [2023-11-29 02:13:10,437 INFO L140 encePairwiseOnDemand]: 79/104 looper letters, 1258 selfloop transitions, 727 changer transitions 0/2136 dead transitions. [2023-11-29 02:13:10,437 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 614 places, 2136 transitions, 66472 flow [2023-11-29 02:13:10,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 02:13:10,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-29 02:13:10,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1062 transitions. [2023-11-29 02:13:10,438 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7293956043956044 [2023-11-29 02:13:10,438 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1062 transitions. [2023-11-29 02:13:10,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1062 transitions. [2023-11-29 02:13:10,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:13:10,439 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1062 transitions. [2023-11-29 02:13:10,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 75.85714285714286) internal successors, (1062), 14 states have internal predecessors, (1062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:13:10,441 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:13:10,441 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:13:10,441 INFO L175 Difference]: Start difference. First operand has 601 places, 1983 transitions, 60105 flow. Second operand 14 states and 1062 transitions. [2023-11-29 02:13:10,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 614 places, 2136 transitions, 66472 flow [2023-11-29 02:13:16,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 610 places, 2136 transitions, 66127 flow, removed 69 selfloop flow, removed 4 redundant places. [2023-11-29 02:13:16,195 INFO L231 Difference]: Finished difference. Result has 617 places, 2010 transitions, 63147 flow [2023-11-29 02:13:16,197 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=59760, PETRI_DIFFERENCE_MINUEND_PLACES=597, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1983, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=700, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=63147, PETRI_PLACES=617, PETRI_TRANSITIONS=2010} [2023-11-29 02:13:16,197 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 518 predicate places. [2023-11-29 02:13:16,197 INFO L495 AbstractCegarLoop]: Abstraction has has 617 places, 2010 transitions, 63147 flow [2023-11-29 02:13:16,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:13:16,198 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:13:16,198 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:13:16,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-29 02:13:16,198 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:13:16,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:16,198 INFO L85 PathProgramCache]: Analyzing trace with hash -2117862936, now seen corresponding path program 6 times [2023-11-29 02:13:16,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:13:16,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148149736] [2023-11-29 02:13:16,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:16,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:13:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:16,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:13:16,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:13:16,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148149736] [2023-11-29 02:13:16,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148149736] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:13:16,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:13:16,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:13:16,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226524309] [2023-11-29 02:13:16,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:13:16,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:13:16,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:13:16,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:13:16,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:13:16,851 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 104 [2023-11-29 02:13:16,852 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 617 places, 2010 transitions, 63147 flow. Second operand has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:13:16,852 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:13:16,852 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 104 [2023-11-29 02:13:16,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:13:27,130 INFO L124 PetriNetUnfolderBase]: 4390/11243 cut-off events. [2023-11-29 02:13:27,131 INFO L125 PetriNetUnfolderBase]: For 616630/617915 co-relation queries the response was YES. [2023-11-29 02:13:27,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 112711 conditions, 11243 events. 4390/11243 cut-off events. For 616630/617915 co-relation queries the response was YES. Maximal size of possible extension queue 534. Compared 108189 event pairs, 686 based on Foata normal form. 343/11500 useless extension candidates. Maximal degree in co-relation 112418. Up to 3492 conditions per place. [2023-11-29 02:13:27,339 INFO L140 encePairwiseOnDemand]: 79/104 looper letters, 1282 selfloop transitions, 751 changer transitions 0/2184 dead transitions. [2023-11-29 02:13:27,339 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 631 places, 2184 transitions, 70108 flow [2023-11-29 02:13:27,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:13:27,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 02:13:27,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1135 transitions. [2023-11-29 02:13:27,341 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7275641025641025 [2023-11-29 02:13:27,341 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1135 transitions. [2023-11-29 02:13:27,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1135 transitions. [2023-11-29 02:13:27,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:13:27,341 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1135 transitions. [2023-11-29 02:13:27,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 75.66666666666667) internal successors, (1135), 15 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:13:27,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:13:27,344 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:13:27,344 INFO L175 Difference]: Start difference. First operand has 617 places, 2010 transitions, 63147 flow. Second operand 15 states and 1135 transitions. [2023-11-29 02:13:27,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 631 places, 2184 transitions, 70108 flow [2023-11-29 02:13:34,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 625 places, 2184 transitions, 69803 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-29 02:13:34,170 INFO L231 Difference]: Finished difference. Result has 632 places, 2044 transitions, 66524 flow [2023-11-29 02:13:34,171 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=62842, PETRI_DIFFERENCE_MINUEND_PLACES=611, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2010, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=718, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=66524, PETRI_PLACES=632, PETRI_TRANSITIONS=2044} [2023-11-29 02:13:34,171 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 533 predicate places. [2023-11-29 02:13:34,171 INFO L495 AbstractCegarLoop]: Abstraction has has 632 places, 2044 transitions, 66524 flow [2023-11-29 02:13:34,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:13:34,172 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:13:34,172 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:13:34,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-29 02:13:34,172 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:13:34,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:34,172 INFO L85 PathProgramCache]: Analyzing trace with hash 157834779, now seen corresponding path program 7 times [2023-11-29 02:13:34,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:13:34,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104319707] [2023-11-29 02:13:34,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:34,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:13:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:34,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:13:34,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:13:34,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104319707] [2023-11-29 02:13:34,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104319707] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:13:34,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:13:34,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:13:34,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36607636] [2023-11-29 02:13:34,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:13:34,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:13:34,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:13:34,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:13:34,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:13:34,803 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 104 [2023-11-29 02:13:34,804 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 632 places, 2044 transitions, 66524 flow. Second operand has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:13:34,804 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:13:34,804 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 104 [2023-11-29 02:13:34,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:13:45,268 INFO L124 PetriNetUnfolderBase]: 4558/11578 cut-off events. [2023-11-29 02:13:45,269 INFO L125 PetriNetUnfolderBase]: For 661897/663050 co-relation queries the response was YES. [2023-11-29 02:13:45,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118094 conditions, 11578 events. 4558/11578 cut-off events. For 661897/663050 co-relation queries the response was YES. Maximal size of possible extension queue 539. Compared 111560 event pairs, 671 based on Foata normal form. 257/11731 useless extension candidates. Maximal degree in co-relation 117793. Up to 6381 conditions per place. [2023-11-29 02:13:45,483 INFO L140 encePairwiseOnDemand]: 75/104 looper letters, 1106 selfloop transitions, 906 changer transitions 0/2187 dead transitions. [2023-11-29 02:13:45,483 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 643 places, 2187 transitions, 73359 flow [2023-11-29 02:13:45,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 02:13:45,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-29 02:13:45,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 914 transitions. [2023-11-29 02:13:45,485 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7323717948717948 [2023-11-29 02:13:45,485 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 914 transitions. [2023-11-29 02:13:45,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 914 transitions. [2023-11-29 02:13:45,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:13:45,485 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 914 transitions. [2023-11-29 02:13:45,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 76.16666666666667) internal successors, (914), 12 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:13:45,487 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:13:45,487 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:13:45,488 INFO L175 Difference]: Start difference. First operand has 632 places, 2044 transitions, 66524 flow. Second operand 12 states and 914 transitions. [2023-11-29 02:13:45,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 643 places, 2187 transitions, 73359 flow [2023-11-29 02:13:52,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 636 places, 2187 transitions, 72676 flow, removed 50 selfloop flow, removed 7 redundant places. [2023-11-29 02:13:52,584 INFO L231 Difference]: Finished difference. Result has 640 places, 2069 transitions, 69564 flow [2023-11-29 02:13:52,586 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=65894, PETRI_DIFFERENCE_MINUEND_PLACES=625, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2044, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=882, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=69564, PETRI_PLACES=640, PETRI_TRANSITIONS=2069} [2023-11-29 02:13:52,586 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 541 predicate places. [2023-11-29 02:13:52,586 INFO L495 AbstractCegarLoop]: Abstraction has has 640 places, 2069 transitions, 69564 flow [2023-11-29 02:13:52,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:13:52,586 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:13:52,586 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:13:52,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-29 02:13:52,587 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:13:52,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:52,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1823304537, now seen corresponding path program 8 times [2023-11-29 02:13:52,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:13:52,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356639441] [2023-11-29 02:13:52,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:52,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:13:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:52,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:13:52,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:13:52,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356639441] [2023-11-29 02:13:52,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356639441] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:13:52,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:13:52,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:13:52,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109471942] [2023-11-29 02:13:52,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:13:52,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:13:52,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:13:52,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:13:52,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:13:53,351 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 104 [2023-11-29 02:13:53,352 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 640 places, 2069 transitions, 69564 flow. Second operand has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:13:53,352 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:13:53,352 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 104 [2023-11-29 02:13:53,352 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:04,402 INFO L124 PetriNetUnfolderBase]: 4642/11789 cut-off events. [2023-11-29 02:14:04,403 INFO L125 PetriNetUnfolderBase]: For 705199/706359 co-relation queries the response was YES. [2023-11-29 02:14:04,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123437 conditions, 11789 events. 4642/11789 cut-off events. For 705199/706359 co-relation queries the response was YES. Maximal size of possible extension queue 544. Compared 113902 event pairs, 631 based on Foata normal form. 282/11971 useless extension candidates. Maximal degree in co-relation 123131. Up to 6583 conditions per place. [2023-11-29 02:14:04,617 INFO L140 encePairwiseOnDemand]: 75/104 looper letters, 1693 selfloop transitions, 441 changer transitions 0/2309 dead transitions. [2023-11-29 02:14:04,618 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 653 places, 2309 transitions, 78108 flow [2023-11-29 02:14:04,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 02:14:04,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-29 02:14:04,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1056 transitions. [2023-11-29 02:14:04,619 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7252747252747253 [2023-11-29 02:14:04,619 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1056 transitions. [2023-11-29 02:14:04,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1056 transitions. [2023-11-29 02:14:04,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:04,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1056 transitions. [2023-11-29 02:14:04,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 75.42857142857143) internal successors, (1056), 14 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:04,622 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:04,623 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:04,623 INFO L175 Difference]: Start difference. First operand has 640 places, 2069 transitions, 69564 flow. Second operand 14 states and 1056 transitions. [2023-11-29 02:14:04,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 653 places, 2309 transitions, 78108 flow [2023-11-29 02:14:12,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 646 places, 2309 transitions, 77303 flow, removed 21 selfloop flow, removed 7 redundant places. [2023-11-29 02:14:12,076 INFO L231 Difference]: Finished difference. Result has 655 places, 2125 transitions, 71924 flow [2023-11-29 02:14:12,077 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=68788, PETRI_DIFFERENCE_MINUEND_PLACES=633, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2069, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=386, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1637, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=71924, PETRI_PLACES=655, PETRI_TRANSITIONS=2125} [2023-11-29 02:14:12,077 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 556 predicate places. [2023-11-29 02:14:12,077 INFO L495 AbstractCegarLoop]: Abstraction has has 655 places, 2125 transitions, 71924 flow [2023-11-29 02:14:12,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:12,078 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:12,078 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:14:12,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-29 02:14:12,078 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:14:12,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:12,078 INFO L85 PathProgramCache]: Analyzing trace with hash -2029831761, now seen corresponding path program 9 times [2023-11-29 02:14:12,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:12,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657980465] [2023-11-29 02:14:12,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:12,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:12,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:14:12,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:12,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657980465] [2023-11-29 02:14:12,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657980465] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:12,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:12,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:14:12,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218092834] [2023-11-29 02:14:12,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:12,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:14:12,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:12,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:14:12,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:14:12,810 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 104 [2023-11-29 02:14:12,810 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 655 places, 2125 transitions, 71924 flow. Second operand has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:12,811 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:12,811 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 104 [2023-11-29 02:14:12,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:24,354 INFO L124 PetriNetUnfolderBase]: 4694/11914 cut-off events. [2023-11-29 02:14:24,355 INFO L125 PetriNetUnfolderBase]: For 748005/749181 co-relation queries the response was YES. [2023-11-29 02:14:24,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127335 conditions, 11914 events. 4694/11914 cut-off events. For 748005/749181 co-relation queries the response was YES. Maximal size of possible extension queue 549. Compared 115375 event pairs, 673 based on Foata normal form. 266/12075 useless extension candidates. Maximal degree in co-relation 127020. Up to 6535 conditions per place. [2023-11-29 02:14:24,594 INFO L140 encePairwiseOnDemand]: 75/104 looper letters, 1168 selfloop transitions, 938 changer transitions 0/2281 dead transitions. [2023-11-29 02:14:24,594 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 667 places, 2281 transitions, 79443 flow [2023-11-29 02:14:24,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 02:14:24,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-29 02:14:24,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 982 transitions. [2023-11-29 02:14:24,595 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7263313609467456 [2023-11-29 02:14:24,596 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 982 transitions. [2023-11-29 02:14:24,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 982 transitions. [2023-11-29 02:14:24,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:24,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 982 transitions. [2023-11-29 02:14:24,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 75.53846153846153) internal successors, (982), 13 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:24,598 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 104.0) internal successors, (1456), 14 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:24,598 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 104.0) internal successors, (1456), 14 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:24,598 INFO L175 Difference]: Start difference. First operand has 655 places, 2125 transitions, 71924 flow. Second operand 13 states and 982 transitions. [2023-11-29 02:14:24,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 667 places, 2281 transitions, 79443 flow [2023-11-29 02:14:32,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 662 places, 2281 transitions, 78850 flow, removed 162 selfloop flow, removed 5 redundant places. [2023-11-29 02:14:32,870 INFO L231 Difference]: Finished difference. Result has 667 places, 2158 transitions, 75662 flow [2023-11-29 02:14:32,872 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=71404, PETRI_DIFFERENCE_MINUEND_PLACES=650, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=907, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=75662, PETRI_PLACES=667, PETRI_TRANSITIONS=2158} [2023-11-29 02:14:32,872 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 568 predicate places. [2023-11-29 02:14:32,872 INFO L495 AbstractCegarLoop]: Abstraction has has 667 places, 2158 transitions, 75662 flow [2023-11-29 02:14:32,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:32,872 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:32,872 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:14:32,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-29 02:14:32,873 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:14:32,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:32,873 INFO L85 PathProgramCache]: Analyzing trace with hash -190606543, now seen corresponding path program 7 times [2023-11-29 02:14:32,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:32,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728236886] [2023-11-29 02:14:32,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:32,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:33,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:14:33,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:33,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728236886] [2023-11-29 02:14:33,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728236886] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:33,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:33,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:14:33,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480224341] [2023-11-29 02:14:33,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:33,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:14:33,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:33,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:14:33,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:14:33,864 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 104 [2023-11-29 02:14:33,865 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 667 places, 2158 transitions, 75662 flow. Second operand has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:33,865 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:33,865 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 104 [2023-11-29 02:14:33,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:14:43,218 INFO L124 PetriNetUnfolderBase]: 3947/10563 cut-off events. [2023-11-29 02:14:43,218 INFO L125 PetriNetUnfolderBase]: For 773032/775592 co-relation queries the response was YES. [2023-11-29 02:14:43,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119319 conditions, 10563 events. 3947/10563 cut-off events. For 773032/775592 co-relation queries the response was YES. Maximal size of possible extension queue 546. Compared 104428 event pairs, 248 based on Foata normal form. 763/11247 useless extension candidates. Maximal degree in co-relation 118999. Up to 4600 conditions per place. [2023-11-29 02:14:43,593 INFO L140 encePairwiseOnDemand]: 83/104 looper letters, 1223 selfloop transitions, 588 changer transitions 0/2345 dead transitions. [2023-11-29 02:14:43,593 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 680 places, 2345 transitions, 83693 flow [2023-11-29 02:14:43,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 02:14:43,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-29 02:14:43,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1130 transitions. [2023-11-29 02:14:43,595 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7760989010989011 [2023-11-29 02:14:43,595 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1130 transitions. [2023-11-29 02:14:43,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1130 transitions. [2023-11-29 02:14:43,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:14:43,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1130 transitions. [2023-11-29 02:14:43,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 80.71428571428571) internal successors, (1130), 14 states have internal predecessors, (1130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:43,598 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:43,598 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:43,598 INFO L175 Difference]: Start difference. First operand has 667 places, 2158 transitions, 75662 flow. Second operand 14 states and 1130 transitions. [2023-11-29 02:14:43,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 680 places, 2345 transitions, 83693 flow [2023-11-29 02:14:51,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 673 places, 2345 transitions, 82881 flow, removed 25 selfloop flow, removed 7 redundant places. [2023-11-29 02:14:51,406 INFO L231 Difference]: Finished difference. Result has 681 places, 2231 transitions, 78973 flow [2023-11-29 02:14:51,407 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=74890, PETRI_DIFFERENCE_MINUEND_PLACES=660, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=522, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1592, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=78973, PETRI_PLACES=681, PETRI_TRANSITIONS=2231} [2023-11-29 02:14:51,408 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 582 predicate places. [2023-11-29 02:14:51,408 INFO L495 AbstractCegarLoop]: Abstraction has has 681 places, 2231 transitions, 78973 flow [2023-11-29 02:14:51,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:51,408 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:14:51,408 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:14:51,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-29 02:14:51,408 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:14:51,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:51,409 INFO L85 PathProgramCache]: Analyzing trace with hash -204319831, now seen corresponding path program 10 times [2023-11-29 02:14:51,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:51,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930374951] [2023-11-29 02:14:51,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:51,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:51,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:14:51,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:51,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930374951] [2023-11-29 02:14:51,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930374951] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:14:51,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:14:51,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:14:51,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428406902] [2023-11-29 02:14:51,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:14:51,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:14:51,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:51,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:14:51,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:14:52,210 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 104 [2023-11-29 02:14:52,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 681 places, 2231 transitions, 78973 flow. Second operand has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:52,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:14:52,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 104 [2023-11-29 02:14:52,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:15:05,200 INFO L124 PetriNetUnfolderBase]: 5120/12987 cut-off events. [2023-11-29 02:15:05,200 INFO L125 PetriNetUnfolderBase]: For 873825/875169 co-relation queries the response was YES. [2023-11-29 02:15:05,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 144177 conditions, 12987 events. 5120/12987 cut-off events. For 873825/875169 co-relation queries the response was YES. Maximal size of possible extension queue 594. Compared 127667 event pairs, 748 based on Foata normal form. 318/13187 useless extension candidates. Maximal degree in co-relation 143849. Up to 6951 conditions per place. [2023-11-29 02:15:05,467 INFO L140 encePairwiseOnDemand]: 75/104 looper letters, 1370 selfloop transitions, 960 changer transitions 0/2505 dead transitions. [2023-11-29 02:15:05,467 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 694 places, 2505 transitions, 90077 flow [2023-11-29 02:15:05,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 02:15:05,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-29 02:15:05,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1048 transitions. [2023-11-29 02:15:05,469 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7197802197802198 [2023-11-29 02:15:05,469 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1048 transitions. [2023-11-29 02:15:05,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1048 transitions. [2023-11-29 02:15:05,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:15:05,469 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1048 transitions. [2023-11-29 02:15:05,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 74.85714285714286) internal successors, (1048), 14 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:05,471 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:05,471 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:05,471 INFO L175 Difference]: Start difference. First operand has 681 places, 2231 transitions, 78973 flow. Second operand 14 states and 1048 transitions. [2023-11-29 02:15:05,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 694 places, 2505 transitions, 90077 flow [2023-11-29 02:15:15,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 689 places, 2505 transitions, 89516 flow, removed 98 selfloop flow, removed 5 redundant places. [2023-11-29 02:15:15,352 INFO L231 Difference]: Finished difference. Result has 697 places, 2316 transitions, 84030 flow [2023-11-29 02:15:15,353 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=78412, PETRI_DIFFERENCE_MINUEND_PLACES=676, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=880, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=84030, PETRI_PLACES=697, PETRI_TRANSITIONS=2316} [2023-11-29 02:15:15,354 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 598 predicate places. [2023-11-29 02:15:15,354 INFO L495 AbstractCegarLoop]: Abstraction has has 697 places, 2316 transitions, 84030 flow [2023-11-29 02:15:15,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:15,354 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:15:15,354 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:15:15,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-11-29 02:15:15,354 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:15:15,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:15:15,355 INFO L85 PathProgramCache]: Analyzing trace with hash -2142903729, now seen corresponding path program 8 times [2023-11-29 02:15:15,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:15:15,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267100804] [2023-11-29 02:15:15,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:15:15,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:15:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:15:15,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:15:15,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:15:15,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267100804] [2023-11-29 02:15:15,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267100804] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:15:15,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:15:15,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:15:15,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427120151] [2023-11-29 02:15:15,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:15:15,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:15:15,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:15:15,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:15:15,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:15:16,345 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 104 [2023-11-29 02:15:16,346 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 697 places, 2316 transitions, 84030 flow. Second operand has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:16,346 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:15:16,346 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 104 [2023-11-29 02:15:16,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:15:27,425 INFO L124 PetriNetUnfolderBase]: 4299/11513 cut-off events. [2023-11-29 02:15:27,425 INFO L125 PetriNetUnfolderBase]: For 910298/912885 co-relation queries the response was YES. [2023-11-29 02:15:27,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 135107 conditions, 11513 events. 4299/11513 cut-off events. For 910298/912885 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 115527 event pairs, 271 based on Foata normal form. 778/12208 useless extension candidates. Maximal degree in co-relation 134772. Up to 4345 conditions per place. [2023-11-29 02:15:27,665 INFO L140 encePairwiseOnDemand]: 83/104 looper letters, 1468 selfloop transitions, 518 changer transitions 0/2539 dead transitions. [2023-11-29 02:15:27,665 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 710 places, 2539 transitions, 93350 flow [2023-11-29 02:15:27,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 02:15:27,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-29 02:15:27,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1152 transitions. [2023-11-29 02:15:27,667 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7912087912087912 [2023-11-29 02:15:27,667 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1152 transitions. [2023-11-29 02:15:27,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1152 transitions. [2023-11-29 02:15:27,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:15:27,668 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1152 transitions. [2023-11-29 02:15:27,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 82.28571428571429) internal successors, (1152), 14 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:27,670 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:27,671 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:27,671 INFO L175 Difference]: Start difference. First operand has 697 places, 2316 transitions, 84030 flow. Second operand 14 states and 1152 transitions. [2023-11-29 02:15:27,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 710 places, 2539 transitions, 93350 flow [2023-11-29 02:15:37,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 705 places, 2539 transitions, 92601 flow, removed 187 selfloop flow, removed 5 redundant places. [2023-11-29 02:15:37,563 INFO L231 Difference]: Finished difference. Result has 714 places, 2409 transitions, 88401 flow [2023-11-29 02:15:37,565 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=83281, PETRI_DIFFERENCE_MINUEND_PLACES=692, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=429, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1825, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=88401, PETRI_PLACES=714, PETRI_TRANSITIONS=2409} [2023-11-29 02:15:37,565 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 615 predicate places. [2023-11-29 02:15:37,565 INFO L495 AbstractCegarLoop]: Abstraction has has 714 places, 2409 transitions, 88401 flow [2023-11-29 02:15:37,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:37,565 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:15:37,565 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:15:37,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-29 02:15:37,566 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:15:37,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:15:37,566 INFO L85 PathProgramCache]: Analyzing trace with hash 969611647, now seen corresponding path program 11 times [2023-11-29 02:15:37,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:15:37,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560184036] [2023-11-29 02:15:37,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:15:37,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:15:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:15:37,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:15:37,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:15:37,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560184036] [2023-11-29 02:15:37,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560184036] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:15:37,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:15:37,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:15:37,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298497301] [2023-11-29 02:15:37,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:15:37,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:15:37,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:15:37,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:15:37,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:15:38,483 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 104 [2023-11-29 02:15:38,483 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 714 places, 2409 transitions, 88401 flow. Second operand has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:38,484 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:15:38,484 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 104 [2023-11-29 02:15:38,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:15:53,867 INFO L124 PetriNetUnfolderBase]: 5476/13892 cut-off events. [2023-11-29 02:15:53,867 INFO L125 PetriNetUnfolderBase]: For 1033879/1035427 co-relation queries the response was YES. [2023-11-29 02:15:54,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 160447 conditions, 13892 events. 5476/13892 cut-off events. For 1033879/1035427 co-relation queries the response was YES. Maximal size of possible extension queue 636. Compared 138297 event pairs, 786 based on Foata normal form. 334/14100 useless extension candidates. Maximal degree in co-relation 160104. Up to 6757 conditions per place. [2023-11-29 02:15:54,173 INFO L140 encePairwiseOnDemand]: 75/104 looper letters, 1897 selfloop transitions, 628 changer transitions 0/2700 dead transitions. [2023-11-29 02:15:54,173 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 727 places, 2700 transitions, 100322 flow [2023-11-29 02:15:54,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 02:15:54,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-29 02:15:54,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1076 transitions. [2023-11-29 02:15:54,175 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.739010989010989 [2023-11-29 02:15:54,175 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1076 transitions. [2023-11-29 02:15:54,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1076 transitions. [2023-11-29 02:15:54,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:15:54,175 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1076 transitions. [2023-11-29 02:15:54,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 76.85714285714286) internal successors, (1076), 14 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:54,177 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:54,177 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:15:54,177 INFO L175 Difference]: Start difference. First operand has 714 places, 2409 transitions, 88401 flow. Second operand 14 states and 1076 transitions. [2023-11-29 02:15:54,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 727 places, 2700 transitions, 100322 flow [2023-11-29 02:16:06,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 722 places, 2700 transitions, 99727 flow, removed 136 selfloop flow, removed 5 redundant places. [2023-11-29 02:16:06,375 INFO L231 Difference]: Finished difference. Result has 731 places, 2510 transitions, 93562 flow [2023-11-29 02:16:06,376 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=87832, PETRI_DIFFERENCE_MINUEND_PLACES=709, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=529, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1796, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=93562, PETRI_PLACES=731, PETRI_TRANSITIONS=2510} [2023-11-29 02:16:06,377 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 632 predicate places. [2023-11-29 02:16:06,377 INFO L495 AbstractCegarLoop]: Abstraction has has 731 places, 2510 transitions, 93562 flow [2023-11-29 02:16:06,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:06,377 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:16:06,377 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:16:06,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-11-29 02:16:06,377 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:16:06,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:06,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1792700493, now seen corresponding path program 9 times [2023-11-29 02:16:06,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:16:06,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633343086] [2023-11-29 02:16:06,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:06,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:16:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:06,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:16:06,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:16:06,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633343086] [2023-11-29 02:16:06,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633343086] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:06,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:06,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:16:06,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565646064] [2023-11-29 02:16:06,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:06,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:16:06,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:16:06,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:16:06,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:16:07,090 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 104 [2023-11-29 02:16:07,091 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 731 places, 2510 transitions, 93562 flow. Second operand has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:07,091 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:16:07,091 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 104 [2023-11-29 02:16:07,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:16:19,391 INFO L124 PetriNetUnfolderBase]: 4416/11875 cut-off events. [2023-11-29 02:16:19,392 INFO L125 PetriNetUnfolderBase]: For 1022448/1025256 co-relation queries the response was YES. [2023-11-29 02:16:19,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 144358 conditions, 11875 events. 4416/11875 cut-off events. For 1022448/1025256 co-relation queries the response was YES. Maximal size of possible extension queue 600. Compared 120064 event pairs, 269 based on Foata normal form. 861/12649 useless extension candidates. Maximal degree in co-relation 144006. Up to 4360 conditions per place. [2023-11-29 02:16:19,659 INFO L140 encePairwiseOnDemand]: 83/104 looper letters, 1485 selfloop transitions, 573 changer transitions 0/2646 dead transitions. [2023-11-29 02:16:19,659 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 744 places, 2646 transitions, 100443 flow [2023-11-29 02:16:19,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 02:16:19,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-29 02:16:19,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1138 transitions. [2023-11-29 02:16:19,661 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7815934065934066 [2023-11-29 02:16:19,661 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1138 transitions. [2023-11-29 02:16:19,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1138 transitions. [2023-11-29 02:16:19,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:16:19,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1138 transitions. [2023-11-29 02:16:19,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 81.28571428571429) internal successors, (1138), 14 states have internal predecessors, (1138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:19,663 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:19,663 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:19,663 INFO L175 Difference]: Start difference. First operand has 731 places, 2510 transitions, 93562 flow. Second operand 14 states and 1138 transitions. [2023-11-29 02:16:19,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 744 places, 2646 transitions, 100443 flow [2023-11-29 02:16:31,307 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 740 places, 2646 transitions, 99808 flow, removed 209 selfloop flow, removed 4 redundant places. [2023-11-29 02:16:31,393 INFO L231 Difference]: Finished difference. Result has 749 places, 2545 transitions, 96271 flow [2023-11-29 02:16:31,395 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=92927, PETRI_DIFFERENCE_MINUEND_PLACES=727, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2510, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=538, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1950, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=96271, PETRI_PLACES=749, PETRI_TRANSITIONS=2545} [2023-11-29 02:16:31,396 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 650 predicate places. [2023-11-29 02:16:31,396 INFO L495 AbstractCegarLoop]: Abstraction has has 749 places, 2545 transitions, 96271 flow [2023-11-29 02:16:31,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:31,396 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:16:31,396 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:16:31,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-11-29 02:16:31,396 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:16:31,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:31,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1926707845, now seen corresponding path program 12 times [2023-11-29 02:16:31,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:16:31,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227713025] [2023-11-29 02:16:31,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:31,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:16:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:31,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:16:31,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:16:31,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227713025] [2023-11-29 02:16:31,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227713025] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:31,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:31,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:16:31,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751145392] [2023-11-29 02:16:31,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:31,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:16:31,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:16:31,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:16:31,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:16:32,003 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 104 [2023-11-29 02:16:32,004 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 749 places, 2545 transitions, 96271 flow. Second operand has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:32,004 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:16:32,004 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 104 [2023-11-29 02:16:32,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:16:48,372 INFO L124 PetriNetUnfolderBase]: 5530/14031 cut-off events. [2023-11-29 02:16:48,372 INFO L125 PetriNetUnfolderBase]: For 1146524/1148089 co-relation queries the response was YES. [2023-11-29 02:16:48,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 168250 conditions, 14031 events. 5530/14031 cut-off events. For 1146524/1148089 co-relation queries the response was YES. Maximal size of possible extension queue 639. Compared 139931 event pairs, 793 based on Foata normal form. 309/14210 useless extension candidates. Maximal degree in co-relation 167889. Up to 6799 conditions per place. [2023-11-29 02:16:48,703 INFO L140 encePairwiseOnDemand]: 75/104 looper letters, 1878 selfloop transitions, 633 changer transitions 0/2686 dead transitions. [2023-11-29 02:16:48,703 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 761 places, 2686 transitions, 104262 flow [2023-11-29 02:16:48,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 02:16:48,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-29 02:16:48,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1001 transitions. [2023-11-29 02:16:48,705 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7403846153846154 [2023-11-29 02:16:48,705 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1001 transitions. [2023-11-29 02:16:48,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1001 transitions. [2023-11-29 02:16:48,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:16:48,705 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1001 transitions. [2023-11-29 02:16:48,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 77.0) internal successors, (1001), 13 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:48,707 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 104.0) internal successors, (1456), 14 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:48,707 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 104.0) internal successors, (1456), 14 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:48,708 INFO L175 Difference]: Start difference. First operand has 749 places, 2545 transitions, 96271 flow. Second operand 13 states and 1001 transitions. [2023-11-29 02:16:48,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 761 places, 2686 transitions, 104262 flow [2023-11-29 02:17:01,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 757 places, 2686 transitions, 103759 flow, removed 143 selfloop flow, removed 4 redundant places. [2023-11-29 02:17:01,986 INFO L231 Difference]: Finished difference. Result has 765 places, 2577 transitions, 99435 flow [2023-11-29 02:17:01,988 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=95768, PETRI_DIFFERENCE_MINUEND_PLACES=745, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2545, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=601, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1918, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=99435, PETRI_PLACES=765, PETRI_TRANSITIONS=2577} [2023-11-29 02:17:01,988 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 666 predicate places. [2023-11-29 02:17:01,988 INFO L495 AbstractCegarLoop]: Abstraction has has 765 places, 2577 transitions, 99435 flow [2023-11-29 02:17:01,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:01,989 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:17:01,989 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:17:01,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-11-29 02:17:01,989 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:17:01,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:01,989 INFO L85 PathProgramCache]: Analyzing trace with hash 904917525, now seen corresponding path program 10 times [2023-11-29 02:17:01,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:17:01,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416531755] [2023-11-29 02:17:01,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:01,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:17:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:02,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:17:02,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:17:02,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416531755] [2023-11-29 02:17:02,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416531755] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:02,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:02,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:17:02,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681717874] [2023-11-29 02:17:02,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:02,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:17:02,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:17:02,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:17:02,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:17:02,921 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 104 [2023-11-29 02:17:02,922 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 765 places, 2577 transitions, 99435 flow. Second operand has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:02,922 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:17:02,922 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 104 [2023-11-29 02:17:02,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:17:16,833 INFO L124 PetriNetUnfolderBase]: 4496/12122 cut-off events. [2023-11-29 02:17:16,833 INFO L125 PetriNetUnfolderBase]: For 1147540/1150458 co-relation queries the response was YES. [2023-11-29 02:17:17,066 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152860 conditions, 12122 events. 4496/12122 cut-off events. For 1147540/1150458 co-relation queries the response was YES. Maximal size of possible extension queue 615. Compared 123294 event pairs, 273 based on Foata normal form. 937/12968 useless extension candidates. Maximal degree in co-relation 152491. Up to 4373 conditions per place. [2023-11-29 02:17:17,161 INFO L140 encePairwiseOnDemand]: 83/104 looper letters, 1552 selfloop transitions, 563 changer transitions 0/2715 dead transitions. [2023-11-29 02:17:17,161 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 778 places, 2715 transitions, 107269 flow [2023-11-29 02:17:17,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 02:17:17,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-29 02:17:17,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1150 transitions. [2023-11-29 02:17:17,163 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7898351648351648 [2023-11-29 02:17:17,163 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1150 transitions. [2023-11-29 02:17:17,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1150 transitions. [2023-11-29 02:17:17,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:17:17,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1150 transitions. [2023-11-29 02:17:17,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 82.14285714285714) internal successors, (1150), 14 states have internal predecessors, (1150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:17,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:17,166 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:17,166 INFO L175 Difference]: Start difference. First operand has 765 places, 2577 transitions, 99435 flow. Second operand 14 states and 1150 transitions. [2023-11-29 02:17:17,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 778 places, 2715 transitions, 107269 flow [2023-11-29 02:17:29,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 774 places, 2715 transitions, 107010 flow, removed 21 selfloop flow, removed 4 redundant places. [2023-11-29 02:17:29,549 INFO L231 Difference]: Finished difference. Result has 783 places, 2631 transitions, 103760 flow [2023-11-29 02:17:29,550 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=99176, PETRI_DIFFERENCE_MINUEND_PLACES=761, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2577, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=510, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2034, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=103760, PETRI_PLACES=783, PETRI_TRANSITIONS=2631} [2023-11-29 02:17:29,551 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 684 predicate places. [2023-11-29 02:17:29,551 INFO L495 AbstractCegarLoop]: Abstraction has has 783 places, 2631 transitions, 103760 flow [2023-11-29 02:17:29,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:29,551 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:17:29,551 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:17:29,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-11-29 02:17:29,551 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:17:29,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:29,552 INFO L85 PathProgramCache]: Analyzing trace with hash 295844917, now seen corresponding path program 13 times [2023-11-29 02:17:29,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:17:29,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628008359] [2023-11-29 02:17:29,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:29,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:17:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:29,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:17:29,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:17:29,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628008359] [2023-11-29 02:17:29,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628008359] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:29,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:29,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:17:29,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12220557] [2023-11-29 02:17:29,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:29,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:17:29,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:17:29,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:17:29,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:17:30,181 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 104 [2023-11-29 02:17:30,182 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 783 places, 2631 transitions, 103760 flow. Second operand has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:30,182 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:17:30,182 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 104 [2023-11-29 02:17:30,182 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:17:48,300 INFO L124 PetriNetUnfolderBase]: 5701/14478 cut-off events. [2023-11-29 02:17:48,301 INFO L125 PetriNetUnfolderBase]: For 1312587/1314260 co-relation queries the response was YES. [2023-11-29 02:17:48,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 180136 conditions, 14478 events. 5701/14478 cut-off events. For 1312587/1314260 co-relation queries the response was YES. Maximal size of possible extension queue 662. Compared 145214 event pairs, 813 based on Foata normal form. 335/14676 useless extension candidates. Maximal degree in co-relation 179758. Up to 6843 conditions per place. [2023-11-29 02:17:48,664 INFO L140 encePairwiseOnDemand]: 75/104 looper letters, 1944 selfloop transitions, 683 changer transitions 0/2802 dead transitions. [2023-11-29 02:17:48,664 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 796 places, 2802 transitions, 112874 flow [2023-11-29 02:17:48,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 02:17:48,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-29 02:17:48,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1074 transitions. [2023-11-29 02:17:48,665 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7376373626373627 [2023-11-29 02:17:48,665 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1074 transitions. [2023-11-29 02:17:48,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1074 transitions. [2023-11-29 02:17:48,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:17:48,666 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1074 transitions. [2023-11-29 02:17:48,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 76.71428571428571) internal successors, (1074), 14 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:48,668 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:48,669 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:48,669 INFO L175 Difference]: Start difference. First operand has 783 places, 2631 transitions, 103760 flow. Second operand 14 states and 1074 transitions. [2023-11-29 02:17:48,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 796 places, 2802 transitions, 112874 flow [2023-11-29 02:18:04,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 792 places, 2802 transitions, 112513 flow, removed 72 selfloop flow, removed 4 redundant places. [2023-11-29 02:18:04,097 INFO L231 Difference]: Finished difference. Result has 799 places, 2678 transitions, 107778 flow [2023-11-29 02:18:04,099 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=103399, PETRI_DIFFERENCE_MINUEND_PLACES=779, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2631, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=637, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1955, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=107778, PETRI_PLACES=799, PETRI_TRANSITIONS=2678} [2023-11-29 02:18:04,099 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 700 predicate places. [2023-11-29 02:18:04,099 INFO L495 AbstractCegarLoop]: Abstraction has has 799 places, 2678 transitions, 107778 flow [2023-11-29 02:18:04,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:04,100 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:18:04,100 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:18:04,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-11-29 02:18:04,100 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:18:04,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:18:04,100 INFO L85 PathProgramCache]: Analyzing trace with hash 847201861, now seen corresponding path program 11 times [2023-11-29 02:18:04,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:18:04,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476525510] [2023-11-29 02:18:04,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:18:04,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:18:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:18:04,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:18:04,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:18:04,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476525510] [2023-11-29 02:18:04,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476525510] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:18:04,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:18:04,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:18:04,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042368219] [2023-11-29 02:18:04,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:18:04,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:18:04,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:18:04,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:18:04,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:18:05,067 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 104 [2023-11-29 02:18:05,067 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 799 places, 2678 transitions, 107778 flow. Second operand has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:05,067 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:18:05,067 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 104 [2023-11-29 02:18:05,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:18:19,301 INFO L124 PetriNetUnfolderBase]: 4594/12405 cut-off events. [2023-11-29 02:18:19,301 INFO L125 PetriNetUnfolderBase]: For 1296250/1299422 co-relation queries the response was YES. [2023-11-29 02:18:19,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 162695 conditions, 12405 events. 4594/12405 cut-off events. For 1296250/1299422 co-relation queries the response was YES. Maximal size of possible extension queue 630. Compared 126838 event pairs, 270 based on Foata normal form. 998/13310 useless extension candidates. Maximal degree in co-relation 162310. Up to 4389 conditions per place. [2023-11-29 02:18:19,613 INFO L140 encePairwiseOnDemand]: 83/104 looper letters, 1610 selfloop transitions, 602 changer transitions 0/2827 dead transitions. [2023-11-29 02:18:19,613 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 812 places, 2827 transitions, 116295 flow [2023-11-29 02:18:19,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 02:18:19,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-29 02:18:19,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1152 transitions. [2023-11-29 02:18:19,616 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7912087912087912 [2023-11-29 02:18:19,616 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1152 transitions. [2023-11-29 02:18:19,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1152 transitions. [2023-11-29 02:18:19,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:18:19,616 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1152 transitions. [2023-11-29 02:18:19,618 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 82.28571428571429) internal successors, (1152), 14 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:19,619 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:19,619 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:19,619 INFO L175 Difference]: Start difference. First operand has 799 places, 2678 transitions, 107778 flow. Second operand 14 states and 1152 transitions. [2023-11-29 02:18:19,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 812 places, 2827 transitions, 116295 flow [2023-11-29 02:18:33,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 808 places, 2827 transitions, 115888 flow, removed 95 selfloop flow, removed 4 redundant places. [2023-11-29 02:18:33,798 INFO L231 Difference]: Finished difference. Result has 815 places, 2734 transitions, 112155 flow [2023-11-29 02:18:33,800 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=107371, PETRI_DIFFERENCE_MINUEND_PLACES=795, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2678, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=548, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2093, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=112155, PETRI_PLACES=815, PETRI_TRANSITIONS=2734} [2023-11-29 02:18:33,800 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 716 predicate places. [2023-11-29 02:18:33,800 INFO L495 AbstractCegarLoop]: Abstraction has has 815 places, 2734 transitions, 112155 flow [2023-11-29 02:18:33,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:33,800 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:18:33,801 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:18:33,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-11-29 02:18:33,801 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:18:33,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:18:33,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1753479623, now seen corresponding path program 14 times [2023-11-29 02:18:33,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:18:33,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008271559] [2023-11-29 02:18:33,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:18:33,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:18:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:18:34,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:18:34,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:18:34,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008271559] [2023-11-29 02:18:34,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008271559] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:18:34,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:18:34,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:18:34,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757072325] [2023-11-29 02:18:34,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:18:34,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:18:34,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:18:34,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:18:34,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:18:34,486 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 104 [2023-11-29 02:18:34,487 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 815 places, 2734 transitions, 112155 flow. Second operand has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:34,487 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:18:34,487 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 104 [2023-11-29 02:18:34,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:18:53,898 INFO L124 PetriNetUnfolderBase]: 5794/14728 cut-off events. [2023-11-29 02:18:53,899 INFO L125 PetriNetUnfolderBase]: For 1472106/1473889 co-relation queries the response was YES. [2023-11-29 02:18:54,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 189541 conditions, 14728 events. 5794/14728 cut-off events. For 1472106/1473889 co-relation queries the response was YES. Maximal size of possible extension queue 676. Compared 148451 event pairs, 829 based on Foata normal form. 376/14965 useless extension candidates. Maximal degree in co-relation 189149. Up to 6888 conditions per place. [2023-11-29 02:18:54,287 INFO L140 encePairwiseOnDemand]: 75/104 looper letters, 2036 selfloop transitions, 729 changer transitions 0/2940 dead transitions. [2023-11-29 02:18:54,288 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 828 places, 2940 transitions, 122655 flow [2023-11-29 02:18:54,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 02:18:54,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-29 02:18:54,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1076 transitions. [2023-11-29 02:18:54,289 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.739010989010989 [2023-11-29 02:18:54,289 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1076 transitions. [2023-11-29 02:18:54,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1076 transitions. [2023-11-29 02:18:54,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:18:54,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1076 transitions. [2023-11-29 02:18:54,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 76.85714285714286) internal successors, (1076), 14 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:54,291 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:54,291 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:54,291 INFO L175 Difference]: Start difference. First operand has 815 places, 2734 transitions, 112155 flow. Second operand 14 states and 1076 transitions. [2023-11-29 02:18:54,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 828 places, 2940 transitions, 122655 flow [2023-11-29 02:19:11,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 823 places, 2940 transitions, 122223 flow, removed 99 selfloop flow, removed 5 redundant places. [2023-11-29 02:19:11,604 INFO L231 Difference]: Finished difference. Result has 830 places, 2795 transitions, 116651 flow [2023-11-29 02:19:11,605 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=111729, PETRI_DIFFERENCE_MINUEND_PLACES=810, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2734, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=670, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2012, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=116651, PETRI_PLACES=830, PETRI_TRANSITIONS=2795} [2023-11-29 02:19:11,606 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 731 predicate places. [2023-11-29 02:19:11,606 INFO L495 AbstractCegarLoop]: Abstraction has has 830 places, 2795 transitions, 116651 flow [2023-11-29 02:19:11,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:11,606 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:19:11,606 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:19:11,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-11-29 02:19:11,606 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:19:11,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:19:11,607 INFO L85 PathProgramCache]: Analyzing trace with hash -612681616, now seen corresponding path program 7 times [2023-11-29 02:19:11,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:19:11,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395633479] [2023-11-29 02:19:11,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:19:11,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:19:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:19:11,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:19:11,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:19:11,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395633479] [2023-11-29 02:19:11,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395633479] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:19:11,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:19:11,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:19:11,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250102041] [2023-11-29 02:19:11,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:19:11,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:19:11,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:19:11,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:19:11,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:19:12,320 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 104 [2023-11-29 02:19:12,321 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 830 places, 2795 transitions, 116651 flow. Second operand has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:12,321 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:19:12,321 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 104 [2023-11-29 02:19:12,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:19:31,519 INFO L124 PetriNetUnfolderBase]: 5446/14123 cut-off events. [2023-11-29 02:19:31,519 INFO L125 PetriNetUnfolderBase]: For 1499728/1501850 co-relation queries the response was YES. [2023-11-29 02:19:31,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 186491 conditions, 14123 events. 5446/14123 cut-off events. For 1499728/1501850 co-relation queries the response was YES. Maximal size of possible extension queue 659. Compared 142791 event pairs, 711 based on Foata normal form. 590/14608 useless extension candidates. Maximal degree in co-relation 186092. Up to 6555 conditions per place. [2023-11-29 02:19:31,921 INFO L140 encePairwiseOnDemand]: 79/104 looper letters, 2156 selfloop transitions, 629 changer transitions 0/3048 dead transitions. [2023-11-29 02:19:31,921 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 844 places, 3048 transitions, 127864 flow [2023-11-29 02:19:31,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 02:19:31,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 02:19:31,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1112 transitions. [2023-11-29 02:19:31,923 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7128205128205128 [2023-11-29 02:19:31,923 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1112 transitions. [2023-11-29 02:19:31,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1112 transitions. [2023-11-29 02:19:31,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:19:31,924 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1112 transitions. [2023-11-29 02:19:31,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 74.13333333333334) internal successors, (1112), 15 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:31,925 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:31,926 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 104.0) internal successors, (1664), 16 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:31,926 INFO L175 Difference]: Start difference. First operand has 830 places, 2795 transitions, 116651 flow. Second operand 15 states and 1112 transitions. [2023-11-29 02:19:31,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 844 places, 3048 transitions, 127864 flow [2023-11-29 02:19:50,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 839 places, 3048 transitions, 127061 flow, removed 207 selfloop flow, removed 5 redundant places. [2023-11-29 02:19:50,313 INFO L231 Difference]: Finished difference. Result has 847 places, 2822 transitions, 118537 flow [2023-11-29 02:19:50,315 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=115979, PETRI_DIFFERENCE_MINUEND_PLACES=825, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2795, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=602, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=118537, PETRI_PLACES=847, PETRI_TRANSITIONS=2822} [2023-11-29 02:19:50,315 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 748 predicate places. [2023-11-29 02:19:50,315 INFO L495 AbstractCegarLoop]: Abstraction has has 847 places, 2822 transitions, 118537 flow [2023-11-29 02:19:50,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:50,315 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:19:50,315 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:19:50,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-11-29 02:19:50,316 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:19:50,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:19:50,316 INFO L85 PathProgramCache]: Analyzing trace with hash 2102003929, now seen corresponding path program 12 times [2023-11-29 02:19:50,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:19:50,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292226842] [2023-11-29 02:19:50,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:19:50,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:19:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:19:50,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:19:50,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:19:50,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292226842] [2023-11-29 02:19:50,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292226842] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:19:50,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:19:50,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:19:50,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974634767] [2023-11-29 02:19:50,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:19:50,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:19:50,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:19:50,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:19:50,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:19:51,258 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 104 [2023-11-29 02:19:51,259 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 847 places, 2822 transitions, 118537 flow. Second operand has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:51,259 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:19:51,259 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 104 [2023-11-29 02:19:51,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:20:06,844 INFO L124 PetriNetUnfolderBase]: 4692/12588 cut-off events. [2023-11-29 02:20:06,844 INFO L125 PetriNetUnfolderBase]: For 1488817/1492218 co-relation queries the response was YES. [2023-11-29 02:20:07,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 173382 conditions, 12588 events. 4692/12588 cut-off events. For 1488817/1492218 co-relation queries the response was YES. Maximal size of possible extension queue 636. Compared 128708 event pairs, 257 based on Foata normal form. 1312/13804 useless extension candidates. Maximal degree in co-relation 172975. Up to 5676 conditions per place. [2023-11-29 02:20:07,176 INFO L140 encePairwiseOnDemand]: 83/104 looper letters, 1557 selfloop transitions, 753 changer transitions 0/2952 dead transitions. [2023-11-29 02:20:07,176 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 858 places, 2952 transitions, 127857 flow [2023-11-29 02:20:07,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 02:20:07,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-29 02:20:07,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 972 transitions. [2023-11-29 02:20:07,178 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7788461538461539 [2023-11-29 02:20:07,178 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 972 transitions. [2023-11-29 02:20:07,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 972 transitions. [2023-11-29 02:20:07,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:20:07,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 972 transitions. [2023-11-29 02:20:07,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 81.0) internal successors, (972), 12 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:20:07,179 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:20:07,180 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:20:07,180 INFO L175 Difference]: Start difference. First operand has 847 places, 2822 transitions, 118537 flow. Second operand 12 states and 972 transitions. [2023-11-29 02:20:07,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 858 places, 2952 transitions, 127857 flow [2023-11-29 02:20:23,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 855 places, 2952 transitions, 127569 flow, removed 60 selfloop flow, removed 3 redundant places. [2023-11-29 02:20:23,581 INFO L231 Difference]: Finished difference. Result has 859 places, 2876 transitions, 124306 flow [2023-11-29 02:20:23,582 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=118289, PETRI_DIFFERENCE_MINUEND_PLACES=844, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2822, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=699, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2087, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=124306, PETRI_PLACES=859, PETRI_TRANSITIONS=2876} [2023-11-29 02:20:23,582 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 760 predicate places. [2023-11-29 02:20:23,582 INFO L495 AbstractCegarLoop]: Abstraction has has 859 places, 2876 transitions, 124306 flow [2023-11-29 02:20:23,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:20:23,582 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:20:23,582 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:20:23,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-11-29 02:20:23,583 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:20:23,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:20:23,583 INFO L85 PathProgramCache]: Analyzing trace with hash 773152311, now seen corresponding path program 15 times [2023-11-29 02:20:23,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:20:23,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380980334] [2023-11-29 02:20:23,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:20:23,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:20:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:20:23,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:20:23,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:20:23,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380980334] [2023-11-29 02:20:23,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380980334] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:20:23,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:20:23,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:20:23,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903712207] [2023-11-29 02:20:23,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:20:23,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:20:23,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:20:23,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:20:23,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:20:24,346 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 104 [2023-11-29 02:20:24,347 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 859 places, 2876 transitions, 124306 flow. Second operand has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:20:24,347 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:20:24,347 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 104 [2023-11-29 02:20:24,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:20:46,594 INFO L124 PetriNetUnfolderBase]: 6090/15444 cut-off events. [2023-11-29 02:20:46,594 INFO L125 PetriNetUnfolderBase]: For 1746341/1748130 co-relation queries the response was YES. [2023-11-29 02:20:46,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207587 conditions, 15444 events. 6090/15444 cut-off events. For 1746341/1748130 co-relation queries the response was YES. Maximal size of possible extension queue 698. Compared 156689 event pairs, 903 based on Foata normal form. 426/15722 useless extension candidates. Maximal degree in co-relation 207175. Up to 8518 conditions per place. [2023-11-29 02:20:47,009 INFO L140 encePairwiseOnDemand]: 75/104 looper letters, 1692 selfloop transitions, 1238 changer transitions 0/3116 dead transitions. [2023-11-29 02:20:47,009 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 872 places, 3116 transitions, 136984 flow [2023-11-29 02:20:47,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 02:20:47,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-29 02:20:47,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1053 transitions. [2023-11-29 02:20:47,010 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7232142857142857 [2023-11-29 02:20:47,010 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1053 transitions. [2023-11-29 02:20:47,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1053 transitions. [2023-11-29 02:20:47,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:20:47,011 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1053 transitions. [2023-11-29 02:20:47,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 75.21428571428571) internal successors, (1053), 14 states have internal predecessors, (1053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:20:47,013 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:20:47,013 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 104.0) internal successors, (1560), 15 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:20:47,013 INFO L175 Difference]: Start difference. First operand has 859 places, 2876 transitions, 124306 flow. Second operand 14 states and 1053 transitions. [2023-11-29 02:20:47,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 872 places, 3116 transitions, 136984 flow [2023-11-29 02:21:07,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 866 places, 3116 transitions, 136596 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-29 02:21:07,412 INFO L231 Difference]: Finished difference. Result has 873 places, 2955 transitions, 130852 flow [2023-11-29 02:21:07,413 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=123918, PETRI_DIFFERENCE_MINUEND_PLACES=853, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2876, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1166, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1650, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=130852, PETRI_PLACES=873, PETRI_TRANSITIONS=2955} [2023-11-29 02:21:07,413 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 774 predicate places. [2023-11-29 02:21:07,413 INFO L495 AbstractCegarLoop]: Abstraction has has 873 places, 2955 transitions, 130852 flow [2023-11-29 02:21:07,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:21:07,413 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:21:07,413 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:21:07,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-11-29 02:21:07,414 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:21:07,414 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:21:07,414 INFO L85 PathProgramCache]: Analyzing trace with hash -408705915, now seen corresponding path program 13 times [2023-11-29 02:21:07,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:21:07,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705836468] [2023-11-29 02:21:07,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:21:07,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:21:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:21:07,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:21:07,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:21:07,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705836468] [2023-11-29 02:21:07,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705836468] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:21:07,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:21:07,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:21:07,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517230074] [2023-11-29 02:21:07,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:21:07,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:21:07,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:21:07,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:21:07,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:21:08,459 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 104 [2023-11-29 02:21:08,459 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 873 places, 2955 transitions, 130852 flow. Second operand has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:21:08,460 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:21:08,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 104 [2023-11-29 02:21:08,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:21:26,321 INFO L124 PetriNetUnfolderBase]: 4894/13150 cut-off events. [2023-11-29 02:21:26,321 INFO L125 PetriNetUnfolderBase]: For 1695298/1698994 co-relation queries the response was YES. [2023-11-29 02:21:26,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 187482 conditions, 13150 events. 4894/13150 cut-off events. For 1695298/1698994 co-relation queries the response was YES. Maximal size of possible extension queue 658. Compared 135349 event pairs, 285 based on Foata normal form. 1189/14239 useless extension candidates. Maximal degree in co-relation 187063. Up to 5915 conditions per place. [2023-11-29 02:21:26,825 INFO L140 encePairwiseOnDemand]: 83/104 looper letters, 1641 selfloop transitions, 760 changer transitions 0/3067 dead transitions. [2023-11-29 02:21:26,825 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 885 places, 3067 transitions, 139478 flow [2023-11-29 02:21:26,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 02:21:26,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-29 02:21:26,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1042 transitions. [2023-11-29 02:21:26,826 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7707100591715976 [2023-11-29 02:21:26,826 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1042 transitions. [2023-11-29 02:21:26,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1042 transitions. [2023-11-29 02:21:26,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:21:26,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1042 transitions. [2023-11-29 02:21:26,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 80.15384615384616) internal successors, (1042), 13 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:21:26,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 104.0) internal successors, (1456), 14 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:21:26,828 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 104.0) internal successors, (1456), 14 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:21:26,828 INFO L175 Difference]: Start difference. First operand has 873 places, 2955 transitions, 130852 flow. Second operand 13 states and 1042 transitions. [2023-11-29 02:21:26,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 885 places, 3067 transitions, 139478 flow [2023-11-29 02:21:47,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 880 places, 3067 transitions, 138686 flow, removed 194 selfloop flow, removed 5 redundant places. [2023-11-29 02:21:47,991 INFO L231 Difference]: Finished difference. Result has 887 places, 3001 transitions, 135523 flow [2023-11-29 02:21:47,992 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=130082, PETRI_DIFFERENCE_MINUEND_PLACES=868, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2955, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=715, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=135523, PETRI_PLACES=887, PETRI_TRANSITIONS=3001} [2023-11-29 02:21:47,992 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 788 predicate places. [2023-11-29 02:21:47,993 INFO L495 AbstractCegarLoop]: Abstraction has has 887 places, 3001 transitions, 135523 flow [2023-11-29 02:21:47,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:21:47,993 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:21:47,993 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:21:47,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-11-29 02:21:47,993 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:21:47,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:21:47,993 INFO L85 PathProgramCache]: Analyzing trace with hash -623687825, now seen corresponding path program 16 times [2023-11-29 02:21:47,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:21:47,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847675189] [2023-11-29 02:21:47,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:21:47,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:21:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:21:48,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:21:48,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:21:48,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847675189] [2023-11-29 02:21:48,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847675189] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:21:48,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:21:48,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:21:48,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642968101] [2023-11-29 02:21:48,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:21:48,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:21:48,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:21:48,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:21:48,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:21:48,630 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 104 [2023-11-29 02:21:48,631 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 887 places, 3001 transitions, 135523 flow. Second operand has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:21:48,631 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:21:48,631 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 104 [2023-11-29 02:21:48,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:22:13,427 INFO L124 PetriNetUnfolderBase]: 6215/15760 cut-off events. [2023-11-29 02:22:13,428 INFO L125 PetriNetUnfolderBase]: For 1952136/1954037 co-relation queries the response was YES. [2023-11-29 02:22:13,787 INFO L83 FinitePrefix]: Finished finitePrefix Result has 219252 conditions, 15760 events. 6215/15760 cut-off events. For 1952136/1954037 co-relation queries the response was YES. Maximal size of possible extension queue 709. Compared 160212 event pairs, 949 based on Foata normal form. 425/16026 useless extension candidates. Maximal degree in co-relation 218826. Up to 8933 conditions per place. [2023-11-29 02:22:13,890 INFO L140 encePairwiseOnDemand]: 75/104 looper letters, 1708 selfloop transitions, 1243 changer transitions 0/3137 dead transitions. [2023-11-29 02:22:13,890 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 899 places, 3137 transitions, 144961 flow [2023-11-29 02:22:13,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 02:22:13,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-29 02:22:13,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 958 transitions. [2023-11-29 02:22:13,891 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7085798816568047 [2023-11-29 02:22:13,891 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 958 transitions. [2023-11-29 02:22:13,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 958 transitions. [2023-11-29 02:22:13,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:22:13,891 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 958 transitions. [2023-11-29 02:22:13,892 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 73.6923076923077) internal successors, (958), 13 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:22:13,893 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 104.0) internal successors, (1456), 14 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:22:13,893 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 104.0) internal successors, (1456), 14 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:22:13,893 INFO L175 Difference]: Start difference. First operand has 887 places, 3001 transitions, 135523 flow. Second operand 13 states and 958 transitions. [2023-11-29 02:22:13,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 899 places, 3137 transitions, 144961 flow [2023-11-29 02:22:36,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 895 places, 3137 transitions, 144594 flow, removed 69 selfloop flow, removed 4 redundant places. [2023-11-29 02:22:36,446 INFO L231 Difference]: Finished difference. Result has 902 places, 3037 transitions, 141042 flow [2023-11-29 02:22:36,447 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=135156, PETRI_DIFFERENCE_MINUEND_PLACES=883, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3001, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1207, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1767, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=141042, PETRI_PLACES=902, PETRI_TRANSITIONS=3037} [2023-11-29 02:22:36,447 INFO L281 CegarLoopForPetriNet]: 99 programPoint places, 803 predicate places. [2023-11-29 02:22:36,447 INFO L495 AbstractCegarLoop]: Abstraction has has 902 places, 3037 transitions, 141042 flow [2023-11-29 02:22:36,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 62.76923076923077) internal successors, (816), 13 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:22:36,447 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:22:36,448 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:22:36,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-11-29 02:22:36,448 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 02:22:36,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:22:36,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1644336525, now seen corresponding path program 14 times [2023-11-29 02:22:36,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:22:36,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758570027] [2023-11-29 02:22:36,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:22:36,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:22:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:22:36,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:22:36,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:22:36,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758570027] [2023-11-29 02:22:36,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758570027] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:22:36,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:22:36,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 02:22:36,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251475697] [2023-11-29 02:22:36,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:22:36,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 02:22:36,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:22:36,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 02:22:36,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:22:37,333 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 104 [2023-11-29 02:22:37,334 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 902 places, 3037 transitions, 141042 flow. Second operand has 13 states, 13 states have (on average 72.3076923076923) internal successors, (940), 13 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:22:37,334 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:22:37,334 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 104 [2023-11-29 02:22:37,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand