./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a0b198-2477-43b9-b05c-fd16992fdc18/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a0b198-2477-43b9-b05c-fd16992fdc18/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_73a0b198-2477-43b9-b05c-fd16992fdc18/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a0b198-2477-43b9-b05c-fd16992fdc18/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a0b198-2477-43b9-b05c-fd16992fdc18/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_73a0b198-2477-43b9-b05c-fd16992fdc18/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 a690a19e2d41bbc14b3960c21812e80405a4291ef4154c7125f66fa1ebbf9c8f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:34:48,802 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:34:48,871 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a0b198-2477-43b9-b05c-fd16992fdc18/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 04:34:48,877 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:34:48,877 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:34:48,903 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:34:48,903 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:34:48,904 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:34:48,905 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:34:48,905 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:34:48,906 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:34:48,907 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:34:48,907 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:34:48,908 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:34:48,908 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:34:48,909 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:34:48,909 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:34:48,910 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:34:48,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:34:48,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:34:48,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:34:48,912 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:34:48,913 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 04:34:48,913 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 04:34:48,913 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:34:48,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:34:48,914 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:34:48,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:34:48,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:34:48,916 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:34:48,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:34:48,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:34:48,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:34:48,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:34:48,918 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:34:48,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:34:48,918 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:34:48,919 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:34:48,919 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:34:48,919 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:34:48,919 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:34:48,920 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_73a0b198-2477-43b9-b05c-fd16992fdc18/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a0b198-2477-43b9-b05c-fd16992fdc18/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a690a19e2d41bbc14b3960c21812e80405a4291ef4154c7125f66fa1ebbf9c8f [2023-11-29 04:34:49,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:34:49,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:34:49,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:34:49,155 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:34:49,155 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:34:49,157 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a0b198-2477-43b9-b05c-fd16992fdc18/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c [2023-11-29 04:34:51,850 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:34:52,085 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:34:52,085 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a0b198-2477-43b9-b05c-fd16992fdc18/sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c [2023-11-29 04:34:52,098 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a0b198-2477-43b9-b05c-fd16992fdc18/bin/uautomizer-verify-BQ2R08f2Ya/data/589e303f0/4d68c950483c4e9bab5aec5cd6d4b43b/FLAG98f5dee5d [2023-11-29 04:34:52,113 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a0b198-2477-43b9-b05c-fd16992fdc18/bin/uautomizer-verify-BQ2R08f2Ya/data/589e303f0/4d68c950483c4e9bab5aec5cd6d4b43b [2023-11-29 04:34:52,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:34:52,117 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:34:52,118 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:34:52,118 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:34:52,124 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:34:52,124 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:34:52" (1/1) ... [2023-11-29 04:34:52,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a8d157a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:34:52, skipping insertion in model container [2023-11-29 04:34:52,126 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:34:52" (1/1) ... [2023-11-29 04:34:52,157 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:34:52,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:34:52,366 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:34:52,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:34:52,421 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:34:52,422 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:34:52,429 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:34:52,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:34:52 WrapperNode [2023-11-29 04:34:52,429 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:34:52,430 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:34:52,431 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:34:52,431 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:34:52,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:34:52" (1/1) ... [2023-11-29 04:34:52,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:34:52" (1/1) ... [2023-11-29 04:34:52,484 INFO L138 Inliner]: procedures = 25, calls = 121, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 515 [2023-11-29 04:34:52,484 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:34:52,485 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:34:52,485 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:34:52,485 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:34:52,495 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:34:52" (1/1) ... [2023-11-29 04:34:52,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:34:52" (1/1) ... [2023-11-29 04:34:52,502 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:34:52" (1/1) ... [2023-11-29 04:34:52,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:34:52" (1/1) ... [2023-11-29 04:34:52,522 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:34:52" (1/1) ... [2023-11-29 04:34:52,528 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:34:52" (1/1) ... [2023-11-29 04:34:52,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:34:52" (1/1) ... [2023-11-29 04:34:52,534 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:34:52" (1/1) ... [2023-11-29 04:34:52,539 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:34:52,540 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:34:52,540 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:34:52,540 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:34:52,541 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:34:52" (1/1) ... [2023-11-29 04:34:52,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:34:52,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a0b198-2477-43b9-b05c-fd16992fdc18/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:34:52,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a0b198-2477-43b9-b05c-fd16992fdc18/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:34:52,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73a0b198-2477-43b9-b05c-fd16992fdc18/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:34:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:34:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 04:34:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 04:34:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 04:34:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 04:34:52,613 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 04:34:52,613 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 04:34:52,613 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 04:34:52,613 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 04:34:52,613 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 04:34:52,614 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-29 04:34:52,614 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-29 04:34:52,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 04:34:52,614 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-29 04:34:52,614 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-29 04:34:52,615 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-29 04:34:52,615 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-29 04:34:52,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 04:34:52,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 04:34:52,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:34:52,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:34:52,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 04:34:52,618 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 04:34:52,760 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:34:52,763 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:34:53,412 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:34:53,587 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:34:53,587 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-29 04:34:53,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:34:53 BoogieIcfgContainer [2023-11-29 04:34:53,589 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:34:53,592 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:34:53,592 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:34:53,595 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:34:53,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:34:52" (1/3) ... [2023-11-29 04:34:53,596 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd316ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:34:53, skipping insertion in model container [2023-11-29 04:34:53,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:34:52" (2/3) ... [2023-11-29 04:34:53,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd316ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:34:53, skipping insertion in model container [2023-11-29 04:34:53,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:34:53" (3/3) ... [2023-11-29 04:34:53,598 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-barrier-loop.wvr.c [2023-11-29 04:34:53,607 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 04:34:53,617 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:34:53,617 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 82 error locations. [2023-11-29 04:34:53,617 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 04:34:53,759 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2023-11-29 04:34:53,803 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 493 places, 490 transitions, 1046 flow [2023-11-29 04:34:53,959 INFO L124 PetriNetUnfolderBase]: 16/450 cut-off events. [2023-11-29 04:34:53,959 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-29 04:34:53,972 INFO L83 FinitePrefix]: Finished finitePrefix Result has 479 conditions, 450 events. 16/450 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 878 event pairs, 0 based on Foata normal form. 0/352 useless extension candidates. Maximal degree in co-relation 368. Up to 3 conditions per place. [2023-11-29 04:34:53,972 INFO L82 GeneralOperation]: Start removeDead. Operand has 493 places, 490 transitions, 1046 flow [2023-11-29 04:34:53,984 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 431 places, 426 transitions, 900 flow [2023-11-29 04:34:53,995 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:34:54,001 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;@388b1387, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:34:54,002 INFO L358 AbstractCegarLoop]: Starting to check reachability of 148 error locations. [2023-11-29 04:34:54,007 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 04:34:54,007 INFO L124 PetriNetUnfolderBase]: 0/30 cut-off events. [2023-11-29 04:34:54,007 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:34:54,008 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:34:54,008 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] [2023-11-29 04:34:54,008 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2023-11-29 04:34:54,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:34:54,013 INFO L85 PathProgramCache]: Analyzing trace with hash -692710090, now seen corresponding path program 1 times [2023-11-29 04:34:54,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:34:54,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122094133] [2023-11-29 04:34:54,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:34:54,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:34:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:34:54,203 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 04:34:54,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:34:54,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122094133] [2023-11-29 04:34:54,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122094133] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:34:54,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:34:54,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:34:54,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487363510] [2023-11-29 04:34:54,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:34:54,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:34:54,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:34:54,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:34:54,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:34:54,264 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 494 [2023-11-29 04:34:54,271 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 431 places, 426 transitions, 900 flow. Second operand has 3 states, 3 states have (on average 369.3333333333333) internal successors, (1108), 3 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:34:54,271 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:34:54,271 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 494 [2023-11-29 04:34:54,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:35:06,420 INFO L124 PetriNetUnfolderBase]: 37106/60793 cut-off events. [2023-11-29 04:35:06,420 INFO L125 PetriNetUnfolderBase]: For 14850/14938 co-relation queries the response was YES. [2023-11-29 04:35:06,749 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121103 conditions, 60793 events. 37106/60793 cut-off events. For 14850/14938 co-relation queries the response was YES. Maximal size of possible extension queue 2779. Compared 532732 event pairs, 26821 based on Foata normal form. 8201/61760 useless extension candidates. Maximal degree in co-relation 119904. Up to 47700 conditions per place. [2023-11-29 04:35:07,239 INFO L140 encePairwiseOnDemand]: 434/494 looper letters, 55 selfloop transitions, 2 changer transitions 1/368 dead transitions. [2023-11-29 04:35:07,239 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 368 transitions, 898 flow [2023-11-29 04:35:07,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:35:07,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:35:07,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1219 transitions. [2023-11-29 04:35:07,257 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8225371120107963 [2023-11-29 04:35:07,258 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1219 transitions. [2023-11-29 04:35:07,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1219 transitions. [2023-11-29 04:35:07,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:35:07,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1219 transitions. [2023-11-29 04:35:07,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:35:07,278 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:35:07,280 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:35:07,281 INFO L175 Difference]: Start difference. First operand has 431 places, 426 transitions, 900 flow. Second operand 3 states and 1219 transitions. [2023-11-29 04:35:07,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 368 transitions, 898 flow [2023-11-29 04:35:07,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 368 transitions, 866 flow, removed 0 selfloop flow, removed 12 redundant places. [2023-11-29 04:35:07,418 INFO L231 Difference]: Finished difference. Result has 368 places, 367 transitions, 754 flow [2023-11-29 04:35:07,421 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=752, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=754, PETRI_PLACES=368, PETRI_TRANSITIONS=367} [2023-11-29 04:35:07,423 INFO L281 CegarLoopForPetriNet]: 431 programPoint places, -63 predicate places. [2023-11-29 04:35:07,424 INFO L495 AbstractCegarLoop]: Abstraction has has 368 places, 367 transitions, 754 flow [2023-11-29 04:35:07,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 369.3333333333333) internal successors, (1108), 3 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:35:07,425 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:35:07,425 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] [2023-11-29 04:35:07,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:35:07,425 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2023-11-29 04:35:07,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:35:07,426 INFO L85 PathProgramCache]: Analyzing trace with hash -573372191, now seen corresponding path program 1 times [2023-11-29 04:35:07,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:35:07,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118309155] [2023-11-29 04:35:07,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:35:07,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:35:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:35:07,497 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 04:35:07,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:35:07,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118309155] [2023-11-29 04:35:07,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118309155] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:35:07,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:35:07,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:35:07,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287835092] [2023-11-29 04:35:07,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:35:07,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:35:07,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:35:07,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:35:07,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:35:07,524 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 494 [2023-11-29 04:35:07,527 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 367 transitions, 754 flow. Second operand has 3 states, 3 states have (on average 369.3333333333333) internal successors, (1108), 3 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:35:07,527 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:35:07,527 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 494 [2023-11-29 04:35:07,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:35:17,443 INFO L124 PetriNetUnfolderBase]: 37106/60791 cut-off events. [2023-11-29 04:35:17,443 INFO L125 PetriNetUnfolderBase]: For 4207/4295 co-relation queries the response was YES. [2023-11-29 04:35:17,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110642 conditions, 60791 events. 37106/60791 cut-off events. For 4207/4295 co-relation queries the response was YES. Maximal size of possible extension queue 2779. Compared 532804 event pairs, 26821 based on Foata normal form. 0/53559 useless extension candidates. Maximal degree in co-relation 110603. Up to 47700 conditions per place. [2023-11-29 04:35:18,360 INFO L140 encePairwiseOnDemand]: 491/494 looper letters, 55 selfloop transitions, 2 changer transitions 0/366 dead transitions. [2023-11-29 04:35:18,360 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 366 transitions, 866 flow [2023-11-29 04:35:18,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:35:18,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:35:18,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1162 transitions. [2023-11-29 04:35:18,365 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7840755735492577 [2023-11-29 04:35:18,365 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1162 transitions. [2023-11-29 04:35:18,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1162 transitions. [2023-11-29 04:35:18,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:35:18,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1162 transitions. [2023-11-29 04:35:18,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 387.3333333333333) internal successors, (1162), 3 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:35:18,373 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:35:18,374 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:35:18,374 INFO L175 Difference]: Start difference. First operand has 368 places, 367 transitions, 754 flow. Second operand 3 states and 1162 transitions. [2023-11-29 04:35:18,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 366 transitions, 866 flow [2023-11-29 04:35:18,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 366 transitions, 862 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:35:18,384 INFO L231 Difference]: Finished difference. Result has 366 places, 366 transitions, 752 flow [2023-11-29 04:35:18,385 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=748, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=752, PETRI_PLACES=366, PETRI_TRANSITIONS=366} [2023-11-29 04:35:18,385 INFO L281 CegarLoopForPetriNet]: 431 programPoint places, -65 predicate places. [2023-11-29 04:35:18,385 INFO L495 AbstractCegarLoop]: Abstraction has has 366 places, 366 transitions, 752 flow [2023-11-29 04:35:18,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 369.3333333333333) internal successors, (1108), 3 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:35:18,387 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:35:18,387 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:35:18,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:35:18,388 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2023-11-29 04:35:18,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:35:18,388 INFO L85 PathProgramCache]: Analyzing trace with hash 963132774, now seen corresponding path program 1 times [2023-11-29 04:35:18,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:35:18,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341942017] [2023-11-29 04:35:18,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:35:18,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:35:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:35:18,454 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 04:35:18,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:35:18,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341942017] [2023-11-29 04:35:18,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341942017] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:35:18,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:35:18,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:35:18,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753463990] [2023-11-29 04:35:18,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:35:18,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:35:18,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:35:18,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:35:18,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:35:18,477 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 494 [2023-11-29 04:35:18,479 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 366 transitions, 752 flow. Second operand has 3 states, 3 states have (on average 369.3333333333333) internal successors, (1108), 3 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:35:18,480 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:35:18,480 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 494 [2023-11-29 04:35:18,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:35:28,712 INFO L124 PetriNetUnfolderBase]: 37106/60790 cut-off events. [2023-11-29 04:35:28,712 INFO L125 PetriNetUnfolderBase]: For 4207/4295 co-relation queries the response was YES. [2023-11-29 04:35:28,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110641 conditions, 60790 events. 37106/60790 cut-off events. For 4207/4295 co-relation queries the response was YES. Maximal size of possible extension queue 2779. Compared 532672 event pairs, 26821 based on Foata normal form. 0/53559 useless extension candidates. Maximal degree in co-relation 110595. Up to 47700 conditions per place. [2023-11-29 04:35:29,353 INFO L140 encePairwiseOnDemand]: 491/494 looper letters, 55 selfloop transitions, 2 changer transitions 0/365 dead transitions. [2023-11-29 04:35:29,353 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 365 transitions, 864 flow [2023-11-29 04:35:29,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:35:29,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:35:29,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1162 transitions. [2023-11-29 04:35:29,357 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7840755735492577 [2023-11-29 04:35:29,357 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1162 transitions. [2023-11-29 04:35:29,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1162 transitions. [2023-11-29 04:35:29,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:35:29,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1162 transitions. [2023-11-29 04:35:29,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 387.3333333333333) internal successors, (1162), 3 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:35:29,364 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:35:29,365 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:35:29,365 INFO L175 Difference]: Start difference. First operand has 366 places, 366 transitions, 752 flow. Second operand 3 states and 1162 transitions. [2023-11-29 04:35:29,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 365 transitions, 864 flow [2023-11-29 04:35:29,367 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 365 transitions, 860 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:35:29,371 INFO L231 Difference]: Finished difference. Result has 365 places, 365 transitions, 750 flow [2023-11-29 04:35:29,371 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=746, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=750, PETRI_PLACES=365, PETRI_TRANSITIONS=365} [2023-11-29 04:35:29,372 INFO L281 CegarLoopForPetriNet]: 431 programPoint places, -66 predicate places. [2023-11-29 04:35:29,372 INFO L495 AbstractCegarLoop]: Abstraction has has 365 places, 365 transitions, 750 flow [2023-11-29 04:35:29,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 369.3333333333333) internal successors, (1108), 3 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:35:29,373 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:35:29,373 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] [2023-11-29 04:35:29,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 04:35:29,373 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2023-11-29 04:35:29,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:35:29,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1925587738, now seen corresponding path program 1 times [2023-11-29 04:35:29,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:35:29,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737935165] [2023-11-29 04:35:29,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:35:29,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:35:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:35:29,428 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 04:35:29,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:35:29,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737935165] [2023-11-29 04:35:29,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737935165] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:35:29,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:35:29,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:35:29,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900294199] [2023-11-29 04:35:29,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:35:29,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:35:29,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:35:29,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:35:29,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:35:29,447 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 494 [2023-11-29 04:35:29,449 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 365 transitions, 750 flow. Second operand has 3 states, 3 states have (on average 369.3333333333333) internal successors, (1108), 3 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:35:29,449 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:35:29,449 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 494 [2023-11-29 04:35:29,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:35:39,334 INFO L124 PetriNetUnfolderBase]: 37106/60789 cut-off events. [2023-11-29 04:35:39,334 INFO L125 PetriNetUnfolderBase]: For 4207/4295 co-relation queries the response was YES. [2023-11-29 04:35:39,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110640 conditions, 60789 events. 37106/60789 cut-off events. For 4207/4295 co-relation queries the response was YES. Maximal size of possible extension queue 2779. Compared 532802 event pairs, 26821 based on Foata normal form. 0/53559 useless extension candidates. Maximal degree in co-relation 110587. Up to 47700 conditions per place. [2023-11-29 04:35:39,991 INFO L140 encePairwiseOnDemand]: 491/494 looper letters, 55 selfloop transitions, 2 changer transitions 0/364 dead transitions. [2023-11-29 04:35:39,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 364 transitions, 862 flow [2023-11-29 04:35:39,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:35:39,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:35:39,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1162 transitions. [2023-11-29 04:35:39,995 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7840755735492577 [2023-11-29 04:35:39,995 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1162 transitions. [2023-11-29 04:35:39,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1162 transitions. [2023-11-29 04:35:39,996 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:35:39,996 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1162 transitions. [2023-11-29 04:35:39,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 387.3333333333333) internal successors, (1162), 3 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:35:40,002 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:35:40,003 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:35:40,003 INFO L175 Difference]: Start difference. First operand has 365 places, 365 transitions, 750 flow. Second operand 3 states and 1162 transitions. [2023-11-29 04:35:40,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 364 transitions, 862 flow [2023-11-29 04:35:40,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 364 transitions, 858 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:35:40,009 INFO L231 Difference]: Finished difference. Result has 364 places, 364 transitions, 748 flow [2023-11-29 04:35:40,009 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=744, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=748, PETRI_PLACES=364, PETRI_TRANSITIONS=364} [2023-11-29 04:35:40,010 INFO L281 CegarLoopForPetriNet]: 431 programPoint places, -67 predicate places. [2023-11-29 04:35:40,010 INFO L495 AbstractCegarLoop]: Abstraction has has 364 places, 364 transitions, 748 flow [2023-11-29 04:35:40,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 369.3333333333333) internal successors, (1108), 3 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:35:40,011 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:35:40,011 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 04:35:40,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 04:35:40,011 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2023-11-29 04:35:40,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:35:40,012 INFO L85 PathProgramCache]: Analyzing trace with hash -561017716, now seen corresponding path program 1 times [2023-11-29 04:35:40,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:35:40,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837205593] [2023-11-29 04:35:40,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:35:40,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:35:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:35:40,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:35:40,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:35:40,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837205593] [2023-11-29 04:35:40,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837205593] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:35:40,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:35:40,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:35:40,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886701225] [2023-11-29 04:35:40,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:35:40,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:35:40,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:35:40,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:35:40,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:35:40,071 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 494 [2023-11-29 04:35:40,073 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 364 transitions, 748 flow. Second operand has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:35:40,073 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:35:40,074 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 494 [2023-11-29 04:35:40,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:35:49,701 INFO L124 PetriNetUnfolderBase]: 37106/60788 cut-off events. [2023-11-29 04:35:49,701 INFO L125 PetriNetUnfolderBase]: For 4207/4295 co-relation queries the response was YES. [2023-11-29 04:35:49,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110637 conditions, 60788 events. 37106/60788 cut-off events. For 4207/4295 co-relation queries the response was YES. Maximal size of possible extension queue 2779. Compared 532678 event pairs, 26821 based on Foata normal form. 0/53559 useless extension candidates. Maximal degree in co-relation 110577. Up to 47698 conditions per place. [2023-11-29 04:35:50,331 INFO L140 encePairwiseOnDemand]: 491/494 looper letters, 53 selfloop transitions, 2 changer transitions 0/363 dead transitions. [2023-11-29 04:35:50,332 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 363 transitions, 856 flow [2023-11-29 04:35:50,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:35:50,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:35:50,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1166 transitions. [2023-11-29 04:35:50,336 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.786774628879892 [2023-11-29 04:35:50,336 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1166 transitions. [2023-11-29 04:35:50,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1166 transitions. [2023-11-29 04:35:50,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:35:50,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1166 transitions. [2023-11-29 04:35:50,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.6666666666667) internal successors, (1166), 3 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 04:35:50,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:35:50,346 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:35:50,346 INFO L175 Difference]: Start difference. First operand has 364 places, 364 transitions, 748 flow. Second operand 3 states and 1166 transitions. [2023-11-29 04:35:50,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 363 transitions, 856 flow [2023-11-29 04:35:50,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 363 transitions, 852 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:35:50,354 INFO L231 Difference]: Finished difference. Result has 363 places, 363 transitions, 746 flow [2023-11-29 04:35:50,355 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=742, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=746, PETRI_PLACES=363, PETRI_TRANSITIONS=363} [2023-11-29 04:35:50,355 INFO L281 CegarLoopForPetriNet]: 431 programPoint places, -68 predicate places. [2023-11-29 04:35:50,356 INFO L495 AbstractCegarLoop]: Abstraction has has 363 places, 363 transitions, 746 flow [2023-11-29 04:35:50,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:35:50,357 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:35:50,357 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:35:50,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 04:35:50,357 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2023-11-29 04:35:50,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:35:50,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1155469772, now seen corresponding path program 1 times [2023-11-29 04:35:50,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:35:50,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063370504] [2023-11-29 04:35:50,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:35:50,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:35:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:35:50,405 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 04:35:50,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:35:50,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063370504] [2023-11-29 04:35:50,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063370504] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:35:50,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:35:50,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:35:50,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614117191] [2023-11-29 04:35:50,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:35:50,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:35:50,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:35:50,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:35:50,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:35:50,418 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 494 [2023-11-29 04:35:50,419 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 363 transitions, 746 flow. Second operand has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:35:50,419 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:35:50,419 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 494 [2023-11-29 04:35:50,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:35:59,910 INFO L124 PetriNetUnfolderBase]: 37106/60787 cut-off events. [2023-11-29 04:35:59,910 INFO L125 PetriNetUnfolderBase]: For 4207/4295 co-relation queries the response was YES. [2023-11-29 04:36:00,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110636 conditions, 60787 events. 37106/60787 cut-off events. For 4207/4295 co-relation queries the response was YES. Maximal size of possible extension queue 2779. Compared 532737 event pairs, 26821 based on Foata normal form. 0/53559 useless extension candidates. Maximal degree in co-relation 110569. Up to 47698 conditions per place. [2023-11-29 04:36:00,555 INFO L140 encePairwiseOnDemand]: 491/494 looper letters, 53 selfloop transitions, 2 changer transitions 0/362 dead transitions. [2023-11-29 04:36:00,555 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 362 transitions, 854 flow [2023-11-29 04:36:00,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:36:00,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:36:00,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1166 transitions. [2023-11-29 04:36:00,559 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.786774628879892 [2023-11-29 04:36:00,559 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1166 transitions. [2023-11-29 04:36:00,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1166 transitions. [2023-11-29 04:36:00,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:36:00,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1166 transitions. [2023-11-29 04:36:00,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.6666666666667) internal successors, (1166), 3 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 04:36:00,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:36:00,568 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:36:00,569 INFO L175 Difference]: Start difference. First operand has 363 places, 363 transitions, 746 flow. Second operand 3 states and 1166 transitions. [2023-11-29 04:36:00,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 362 transitions, 854 flow [2023-11-29 04:36:00,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 362 transitions, 850 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:36:00,577 INFO L231 Difference]: Finished difference. Result has 362 places, 362 transitions, 744 flow [2023-11-29 04:36:00,577 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=740, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=744, PETRI_PLACES=362, PETRI_TRANSITIONS=362} [2023-11-29 04:36:00,578 INFO L281 CegarLoopForPetriNet]: 431 programPoint places, -69 predicate places. [2023-11-29 04:36:00,578 INFO L495 AbstractCegarLoop]: Abstraction has has 362 places, 362 transitions, 744 flow [2023-11-29 04:36:00,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:36:00,579 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:36:00,580 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:36:00,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 04:36:00,580 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2023-11-29 04:36:00,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:36:00,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1206331162, now seen corresponding path program 1 times [2023-11-29 04:36:00,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:36:00,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141025860] [2023-11-29 04:36:00,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:36:00,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:36:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:36:00,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:36:00,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:36:00,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141025860] [2023-11-29 04:36:00,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141025860] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:36:00,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:36:00,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:36:00,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737067545] [2023-11-29 04:36:00,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:36:00,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:36:00,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:36:00,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:36:00,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:36:00,637 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 494 [2023-11-29 04:36:00,639 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 362 transitions, 744 flow. Second operand has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:36:00,639 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:36:00,639 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 494 [2023-11-29 04:36:00,639 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:36:09,916 INFO L124 PetriNetUnfolderBase]: 37106/60786 cut-off events. [2023-11-29 04:36:09,916 INFO L125 PetriNetUnfolderBase]: For 4207/4295 co-relation queries the response was YES. [2023-11-29 04:36:10,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110635 conditions, 60786 events. 37106/60786 cut-off events. For 4207/4295 co-relation queries the response was YES. Maximal size of possible extension queue 2779. Compared 532925 event pairs, 26821 based on Foata normal form. 0/53559 useless extension candidates. Maximal degree in co-relation 110561. Up to 47698 conditions per place. [2023-11-29 04:36:10,821 INFO L140 encePairwiseOnDemand]: 491/494 looper letters, 53 selfloop transitions, 2 changer transitions 0/361 dead transitions. [2023-11-29 04:36:10,822 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 361 transitions, 852 flow [2023-11-29 04:36:10,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:36:10,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:36:10,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1166 transitions. [2023-11-29 04:36:10,826 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.786774628879892 [2023-11-29 04:36:10,826 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1166 transitions. [2023-11-29 04:36:10,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1166 transitions. [2023-11-29 04:36:10,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:36:10,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1166 transitions. [2023-11-29 04:36:10,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.6666666666667) internal successors, (1166), 3 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 04:36:10,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:36:10,835 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:36:10,836 INFO L175 Difference]: Start difference. First operand has 362 places, 362 transitions, 744 flow. Second operand 3 states and 1166 transitions. [2023-11-29 04:36:10,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 361 transitions, 852 flow [2023-11-29 04:36:10,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 361 transitions, 848 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:36:10,845 INFO L231 Difference]: Finished difference. Result has 361 places, 361 transitions, 742 flow [2023-11-29 04:36:10,846 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=738, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=742, PETRI_PLACES=361, PETRI_TRANSITIONS=361} [2023-11-29 04:36:10,847 INFO L281 CegarLoopForPetriNet]: 431 programPoint places, -70 predicate places. [2023-11-29 04:36:10,847 INFO L495 AbstractCegarLoop]: Abstraction has has 361 places, 361 transitions, 742 flow [2023-11-29 04:36:10,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:36:10,848 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:36:10,848 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:36:10,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 04:36:10,849 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2023-11-29 04:36:10,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:36:10,849 INFO L85 PathProgramCache]: Analyzing trace with hash -243943197, now seen corresponding path program 1 times [2023-11-29 04:36:10,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:36:10,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997390667] [2023-11-29 04:36:10,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:36:10,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:36:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:36:10,903 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 04:36:10,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:36:10,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997390667] [2023-11-29 04:36:10,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997390667] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:36:10,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:36:10,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:36:10,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761668604] [2023-11-29 04:36:10,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:36:10,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:36:10,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:36:10,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:36:10,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:36:10,914 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 494 [2023-11-29 04:36:10,916 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 361 transitions, 742 flow. Second operand has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:36:10,916 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:36:10,916 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 494 [2023-11-29 04:36:10,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:36:20,130 INFO L124 PetriNetUnfolderBase]: 37106/60785 cut-off events. [2023-11-29 04:36:20,130 INFO L125 PetriNetUnfolderBase]: For 4207/4295 co-relation queries the response was YES. [2023-11-29 04:36:20,411 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110634 conditions, 60785 events. 37106/60785 cut-off events. For 4207/4295 co-relation queries the response was YES. Maximal size of possible extension queue 2779. Compared 532582 event pairs, 26821 based on Foata normal form. 0/53559 useless extension candidates. Maximal degree in co-relation 110553. Up to 47698 conditions per place. [2023-11-29 04:36:20,791 INFO L140 encePairwiseOnDemand]: 491/494 looper letters, 53 selfloop transitions, 2 changer transitions 0/360 dead transitions. [2023-11-29 04:36:20,791 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 360 transitions, 850 flow [2023-11-29 04:36:20,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:36:20,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:36:20,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1166 transitions. [2023-11-29 04:36:20,794 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.786774628879892 [2023-11-29 04:36:20,794 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1166 transitions. [2023-11-29 04:36:20,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1166 transitions. [2023-11-29 04:36:20,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:36:20,795 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1166 transitions. [2023-11-29 04:36:20,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.6666666666667) internal successors, (1166), 3 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 04:36:20,800 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:36:20,801 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:36:20,801 INFO L175 Difference]: Start difference. First operand has 361 places, 361 transitions, 742 flow. Second operand 3 states and 1166 transitions. [2023-11-29 04:36:20,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 362 places, 360 transitions, 850 flow [2023-11-29 04:36:20,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 360 places, 360 transitions, 846 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:36:20,807 INFO L231 Difference]: Finished difference. Result has 360 places, 360 transitions, 740 flow [2023-11-29 04:36:20,808 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=736, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=740, PETRI_PLACES=360, PETRI_TRANSITIONS=360} [2023-11-29 04:36:20,808 INFO L281 CegarLoopForPetriNet]: 431 programPoint places, -71 predicate places. [2023-11-29 04:36:20,808 INFO L495 AbstractCegarLoop]: Abstraction has has 360 places, 360 transitions, 740 flow [2023-11-29 04:36:20,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:36:20,809 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:36:20,809 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:36:20,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 04:36:20,810 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2023-11-29 04:36:20,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:36:20,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1993116615, now seen corresponding path program 1 times [2023-11-29 04:36:20,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:36:20,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468670194] [2023-11-29 04:36:20,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:36:20,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:36:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:36:20,855 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 04:36:20,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:36:20,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468670194] [2023-11-29 04:36:20,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468670194] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:36:20,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:36:20,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:36:20,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732537465] [2023-11-29 04:36:20,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:36:20,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:36:20,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:36:20,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:36:20,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:36:20,866 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 494 [2023-11-29 04:36:20,867 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 360 transitions, 740 flow. Second operand has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:36:20,867 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:36:20,867 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 494 [2023-11-29 04:36:20,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:36:29,975 INFO L124 PetriNetUnfolderBase]: 37106/60784 cut-off events. [2023-11-29 04:36:29,975 INFO L125 PetriNetUnfolderBase]: For 4207/4295 co-relation queries the response was YES. [2023-11-29 04:36:30,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110633 conditions, 60784 events. 37106/60784 cut-off events. For 4207/4295 co-relation queries the response was YES. Maximal size of possible extension queue 2779. Compared 532733 event pairs, 26821 based on Foata normal form. 0/53559 useless extension candidates. Maximal degree in co-relation 110545. Up to 47698 conditions per place. [2023-11-29 04:36:30,612 INFO L140 encePairwiseOnDemand]: 491/494 looper letters, 53 selfloop transitions, 2 changer transitions 0/359 dead transitions. [2023-11-29 04:36:30,613 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 359 transitions, 848 flow [2023-11-29 04:36:30,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:36:30,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:36:30,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1166 transitions. [2023-11-29 04:36:30,615 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.786774628879892 [2023-11-29 04:36:30,616 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1166 transitions. [2023-11-29 04:36:30,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1166 transitions. [2023-11-29 04:36:30,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:36:30,616 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1166 transitions. [2023-11-29 04:36:30,618 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.6666666666667) internal successors, (1166), 3 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 04:36:30,620 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:36:30,621 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:36:30,621 INFO L175 Difference]: Start difference. First operand has 360 places, 360 transitions, 740 flow. Second operand 3 states and 1166 transitions. [2023-11-29 04:36:30,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 361 places, 359 transitions, 848 flow [2023-11-29 04:36:30,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 359 transitions, 844 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:36:30,626 INFO L231 Difference]: Finished difference. Result has 359 places, 359 transitions, 738 flow [2023-11-29 04:36:30,627 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=734, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=738, PETRI_PLACES=359, PETRI_TRANSITIONS=359} [2023-11-29 04:36:30,627 INFO L281 CegarLoopForPetriNet]: 431 programPoint places, -72 predicate places. [2023-11-29 04:36:30,627 INFO L495 AbstractCegarLoop]: Abstraction has has 359 places, 359 transitions, 738 flow [2023-11-29 04:36:30,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:36:30,628 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:36:30,628 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:36:30,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 04:36:30,629 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2023-11-29 04:36:30,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:36:30,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1909175389, now seen corresponding path program 1 times [2023-11-29 04:36:30,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:36:30,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927485399] [2023-11-29 04:36:30,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:36:30,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:36:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:36:30,669 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 04:36:30,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:36:30,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927485399] [2023-11-29 04:36:30,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927485399] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:36:30,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:36:30,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:36:30,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513627553] [2023-11-29 04:36:30,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:36:30,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:36:30,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:36:30,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:36:30,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:36:30,679 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 494 [2023-11-29 04:36:30,680 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 359 transitions, 738 flow. Second operand has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:36:30,680 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:36:30,680 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 494 [2023-11-29 04:36:30,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:36:39,853 INFO L124 PetriNetUnfolderBase]: 37106/60783 cut-off events. [2023-11-29 04:36:39,854 INFO L125 PetriNetUnfolderBase]: For 4207/4295 co-relation queries the response was YES. [2023-11-29 04:36:40,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110632 conditions, 60783 events. 37106/60783 cut-off events. For 4207/4295 co-relation queries the response was YES. Maximal size of possible extension queue 2779. Compared 532613 event pairs, 26821 based on Foata normal form. 0/53559 useless extension candidates. Maximal degree in co-relation 110537. Up to 47698 conditions per place. [2023-11-29 04:36:40,494 INFO L140 encePairwiseOnDemand]: 491/494 looper letters, 53 selfloop transitions, 2 changer transitions 0/358 dead transitions. [2023-11-29 04:36:40,494 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 358 transitions, 846 flow [2023-11-29 04:36:40,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:36:40,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:36:40,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1166 transitions. [2023-11-29 04:36:40,497 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.786774628879892 [2023-11-29 04:36:40,497 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1166 transitions. [2023-11-29 04:36:40,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1166 transitions. [2023-11-29 04:36:40,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:36:40,498 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1166 transitions. [2023-11-29 04:36:40,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.6666666666667) internal successors, (1166), 3 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 04:36:40,502 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:36:40,502 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:36:40,502 INFO L175 Difference]: Start difference. First operand has 359 places, 359 transitions, 738 flow. Second operand 3 states and 1166 transitions. [2023-11-29 04:36:40,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 358 transitions, 846 flow [2023-11-29 04:36:40,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 358 transitions, 842 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:36:40,507 INFO L231 Difference]: Finished difference. Result has 358 places, 358 transitions, 736 flow [2023-11-29 04:36:40,508 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=732, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=736, PETRI_PLACES=358, PETRI_TRANSITIONS=358} [2023-11-29 04:36:40,509 INFO L281 CegarLoopForPetriNet]: 431 programPoint places, -73 predicate places. [2023-11-29 04:36:40,509 INFO L495 AbstractCegarLoop]: Abstraction has has 358 places, 358 transitions, 736 flow [2023-11-29 04:36:40,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:36:40,510 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:36:40,510 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:36:40,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 04:36:40,510 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2023-11-29 04:36:40,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:36:40,511 INFO L85 PathProgramCache]: Analyzing trace with hash 243802834, now seen corresponding path program 1 times [2023-11-29 04:36:40,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:36:40,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970026986] [2023-11-29 04:36:40,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:36:40,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:36:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:36:40,549 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 04:36:40,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:36:40,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970026986] [2023-11-29 04:36:40,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970026986] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:36:40,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:36:40,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:36:40,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51931925] [2023-11-29 04:36:40,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:36:40,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:36:40,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:36:40,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:36:40,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:36:40,560 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 494 [2023-11-29 04:36:40,562 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 358 transitions, 736 flow. Second operand has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:36:40,562 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:36:40,562 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 494 [2023-11-29 04:36:40,562 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:36:49,599 INFO L124 PetriNetUnfolderBase]: 37106/60782 cut-off events. [2023-11-29 04:36:49,599 INFO L125 PetriNetUnfolderBase]: For 4207/4295 co-relation queries the response was YES. [2023-11-29 04:36:49,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110631 conditions, 60782 events. 37106/60782 cut-off events. For 4207/4295 co-relation queries the response was YES. Maximal size of possible extension queue 2779. Compared 532807 event pairs, 26821 based on Foata normal form. 0/53559 useless extension candidates. Maximal degree in co-relation 110529. Up to 47698 conditions per place. [2023-11-29 04:36:50,419 INFO L140 encePairwiseOnDemand]: 491/494 looper letters, 53 selfloop transitions, 2 changer transitions 0/357 dead transitions. [2023-11-29 04:36:50,419 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 357 transitions, 844 flow [2023-11-29 04:36:50,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:36:50,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:36:50,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1166 transitions. [2023-11-29 04:36:50,422 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.786774628879892 [2023-11-29 04:36:50,422 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1166 transitions. [2023-11-29 04:36:50,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1166 transitions. [2023-11-29 04:36:50,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:36:50,422 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1166 transitions. [2023-11-29 04:36:50,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.6666666666667) internal successors, (1166), 3 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 04:36:50,426 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:36:50,426 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:36:50,426 INFO L175 Difference]: Start difference. First operand has 358 places, 358 transitions, 736 flow. Second operand 3 states and 1166 transitions. [2023-11-29 04:36:50,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 357 transitions, 844 flow [2023-11-29 04:36:50,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 357 transitions, 840 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:36:50,431 INFO L231 Difference]: Finished difference. Result has 357 places, 357 transitions, 734 flow [2023-11-29 04:36:50,432 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=730, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=734, PETRI_PLACES=357, PETRI_TRANSITIONS=357} [2023-11-29 04:36:50,432 INFO L281 CegarLoopForPetriNet]: 431 programPoint places, -74 predicate places. [2023-11-29 04:36:50,432 INFO L495 AbstractCegarLoop]: Abstraction has has 357 places, 357 transitions, 734 flow [2023-11-29 04:36:50,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:36:50,432 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:36:50,433 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:36:50,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 04:36:50,433 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2023-11-29 04:36:50,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:36:50,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1036756642, now seen corresponding path program 1 times [2023-11-29 04:36:50,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:36:50,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904241405] [2023-11-29 04:36:50,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:36:50,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:36:50,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:36:50,470 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 04:36:50,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:36:50,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904241405] [2023-11-29 04:36:50,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904241405] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:36:50,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:36:50,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:36:50,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936406980] [2023-11-29 04:36:50,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:36:50,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:36:50,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:36:50,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:36:50,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:36:50,482 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 494 [2023-11-29 04:36:50,483 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 357 transitions, 734 flow. Second operand has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:36:50,483 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:36:50,483 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 494 [2023-11-29 04:36:50,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:37:00,027 INFO L124 PetriNetUnfolderBase]: 37106/60781 cut-off events. [2023-11-29 04:37:00,027 INFO L125 PetriNetUnfolderBase]: For 4207/4295 co-relation queries the response was YES. [2023-11-29 04:37:00,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110630 conditions, 60781 events. 37106/60781 cut-off events. For 4207/4295 co-relation queries the response was YES. Maximal size of possible extension queue 2779. Compared 532950 event pairs, 26821 based on Foata normal form. 0/53559 useless extension candidates. Maximal degree in co-relation 110521. Up to 47698 conditions per place. [2023-11-29 04:37:00,675 INFO L140 encePairwiseOnDemand]: 491/494 looper letters, 53 selfloop transitions, 2 changer transitions 0/356 dead transitions. [2023-11-29 04:37:00,675 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 356 transitions, 842 flow [2023-11-29 04:37:00,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:37:00,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:37:00,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1166 transitions. [2023-11-29 04:37:00,678 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.786774628879892 [2023-11-29 04:37:00,678 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1166 transitions. [2023-11-29 04:37:00,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1166 transitions. [2023-11-29 04:37:00,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:37:00,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1166 transitions. [2023-11-29 04:37:00,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.6666666666667) internal successors, (1166), 3 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 04:37:00,682 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:37:00,683 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:37:00,683 INFO L175 Difference]: Start difference. First operand has 357 places, 357 transitions, 734 flow. Second operand 3 states and 1166 transitions. [2023-11-29 04:37:00,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 356 transitions, 842 flow [2023-11-29 04:37:00,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 356 transitions, 838 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:37:00,688 INFO L231 Difference]: Finished difference. Result has 356 places, 356 transitions, 732 flow [2023-11-29 04:37:00,688 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=728, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=732, PETRI_PLACES=356, PETRI_TRANSITIONS=356} [2023-11-29 04:37:00,689 INFO L281 CegarLoopForPetriNet]: 431 programPoint places, -75 predicate places. [2023-11-29 04:37:00,689 INFO L495 AbstractCegarLoop]: Abstraction has has 356 places, 356 transitions, 732 flow [2023-11-29 04:37:00,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:37:00,690 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:37:00,690 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:37:00,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 04:37:00,690 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2023-11-29 04:37:00,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:37:00,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1137103558, now seen corresponding path program 1 times [2023-11-29 04:37:00,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:37:00,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425777056] [2023-11-29 04:37:00,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:37:00,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:37:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:37:00,717 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 04:37:00,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:37:00,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425777056] [2023-11-29 04:37:00,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425777056] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:37:00,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:37:00,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:37:00,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921432705] [2023-11-29 04:37:00,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:37:00,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:37:00,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:37:00,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:37:00,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:37:00,729 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 494 [2023-11-29 04:37:00,730 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 356 transitions, 732 flow. Second operand has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:37:00,730 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:37:00,730 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 494 [2023-11-29 04:37:00,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:37:10,689 INFO L124 PetriNetUnfolderBase]: 37106/60780 cut-off events. [2023-11-29 04:37:10,689 INFO L125 PetriNetUnfolderBase]: For 4207/4295 co-relation queries the response was YES. [2023-11-29 04:37:10,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110629 conditions, 60780 events. 37106/60780 cut-off events. For 4207/4295 co-relation queries the response was YES. Maximal size of possible extension queue 2779. Compared 532530 event pairs, 26821 based on Foata normal form. 0/53559 useless extension candidates. Maximal degree in co-relation 110513. Up to 47698 conditions per place. [2023-11-29 04:37:11,340 INFO L140 encePairwiseOnDemand]: 491/494 looper letters, 53 selfloop transitions, 2 changer transitions 0/355 dead transitions. [2023-11-29 04:37:11,340 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 355 transitions, 840 flow [2023-11-29 04:37:11,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:37:11,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:37:11,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1166 transitions. [2023-11-29 04:37:11,344 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.786774628879892 [2023-11-29 04:37:11,344 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1166 transitions. [2023-11-29 04:37:11,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1166 transitions. [2023-11-29 04:37:11,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:37:11,345 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1166 transitions. [2023-11-29 04:37:11,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.6666666666667) internal successors, (1166), 3 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 04:37:11,348 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:37:11,349 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:37:11,349 INFO L175 Difference]: Start difference. First operand has 356 places, 356 transitions, 732 flow. Second operand 3 states and 1166 transitions. [2023-11-29 04:37:11,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 355 transitions, 840 flow [2023-11-29 04:37:11,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 355 transitions, 836 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:37:11,354 INFO L231 Difference]: Finished difference. Result has 355 places, 355 transitions, 730 flow [2023-11-29 04:37:11,354 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=726, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=730, PETRI_PLACES=355, PETRI_TRANSITIONS=355} [2023-11-29 04:37:11,355 INFO L281 CegarLoopForPetriNet]: 431 programPoint places, -76 predicate places. [2023-11-29 04:37:11,355 INFO L495 AbstractCegarLoop]: Abstraction has has 355 places, 355 transitions, 730 flow [2023-11-29 04:37:11,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:37:11,355 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:37:11,356 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:37:11,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 04:37:11,356 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2023-11-29 04:37:11,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:37:11,356 INFO L85 PathProgramCache]: Analyzing trace with hash -319972522, now seen corresponding path program 1 times [2023-11-29 04:37:11,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:37:11,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219524510] [2023-11-29 04:37:11,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:37:11,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:37:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:37:11,389 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 04:37:11,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:37:11,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219524510] [2023-11-29 04:37:11,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219524510] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:37:11,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:37:11,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:37:11,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681962711] [2023-11-29 04:37:11,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:37:11,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:37:11,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:37:11,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:37:11,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:37:11,400 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 494 [2023-11-29 04:37:11,402 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 355 transitions, 730 flow. Second operand has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:37:11,402 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:37:11,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 494 [2023-11-29 04:37:11,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:37:20,772 INFO L124 PetriNetUnfolderBase]: 37106/60779 cut-off events. [2023-11-29 04:37:20,772 INFO L125 PetriNetUnfolderBase]: For 4207/4295 co-relation queries the response was YES. [2023-11-29 04:37:21,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110628 conditions, 60779 events. 37106/60779 cut-off events. For 4207/4295 co-relation queries the response was YES. Maximal size of possible extension queue 2779. Compared 532676 event pairs, 26821 based on Foata normal form. 0/53559 useless extension candidates. Maximal degree in co-relation 110505. Up to 47698 conditions per place. [2023-11-29 04:37:21,426 INFO L140 encePairwiseOnDemand]: 491/494 looper letters, 53 selfloop transitions, 2 changer transitions 0/354 dead transitions. [2023-11-29 04:37:21,426 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 354 transitions, 838 flow [2023-11-29 04:37:21,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:37:21,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:37:21,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1166 transitions. [2023-11-29 04:37:21,429 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.786774628879892 [2023-11-29 04:37:21,429 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1166 transitions. [2023-11-29 04:37:21,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1166 transitions. [2023-11-29 04:37:21,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:37:21,429 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1166 transitions. [2023-11-29 04:37:21,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.6666666666667) internal successors, (1166), 3 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 04:37:21,433 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:37:21,434 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:37:21,434 INFO L175 Difference]: Start difference. First operand has 355 places, 355 transitions, 730 flow. Second operand 3 states and 1166 transitions. [2023-11-29 04:37:21,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 354 transitions, 838 flow [2023-11-29 04:37:21,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 354 transitions, 834 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:37:21,439 INFO L231 Difference]: Finished difference. Result has 354 places, 354 transitions, 728 flow [2023-11-29 04:37:21,440 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=724, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=728, PETRI_PLACES=354, PETRI_TRANSITIONS=354} [2023-11-29 04:37:21,440 INFO L281 CegarLoopForPetriNet]: 431 programPoint places, -77 predicate places. [2023-11-29 04:37:21,440 INFO L495 AbstractCegarLoop]: Abstraction has has 354 places, 354 transitions, 728 flow [2023-11-29 04:37:21,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:37:21,440 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:37:21,441 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:37:21,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 04:37:21,441 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2023-11-29 04:37:21,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:37:21,441 INFO L85 PathProgramCache]: Analyzing trace with hash -457368411, now seen corresponding path program 1 times [2023-11-29 04:37:21,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:37:21,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599015671] [2023-11-29 04:37:21,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:37:21,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:37:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:37:21,467 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 04:37:21,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:37:21,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599015671] [2023-11-29 04:37:21,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599015671] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:37:21,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:37:21,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:37:21,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357172112] [2023-11-29 04:37:21,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:37:21,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:37:21,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:37:21,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:37:21,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:37:21,478 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 494 [2023-11-29 04:37:21,479 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 354 transitions, 728 flow. Second operand has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:37:21,479 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:37:21,479 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 494 [2023-11-29 04:37:21,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:37:30,835 INFO L124 PetriNetUnfolderBase]: 37106/60778 cut-off events. [2023-11-29 04:37:30,836 INFO L125 PetriNetUnfolderBase]: For 4207/4295 co-relation queries the response was YES. [2023-11-29 04:37:31,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110627 conditions, 60778 events. 37106/60778 cut-off events. For 4207/4295 co-relation queries the response was YES. Maximal size of possible extension queue 2779. Compared 532900 event pairs, 26821 based on Foata normal form. 0/53559 useless extension candidates. Maximal degree in co-relation 110497. Up to 47698 conditions per place. [2023-11-29 04:37:31,484 INFO L140 encePairwiseOnDemand]: 491/494 looper letters, 53 selfloop transitions, 2 changer transitions 0/353 dead transitions. [2023-11-29 04:37:31,484 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 353 transitions, 836 flow [2023-11-29 04:37:31,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:37:31,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:37:31,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1166 transitions. [2023-11-29 04:37:31,487 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.786774628879892 [2023-11-29 04:37:31,487 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1166 transitions. [2023-11-29 04:37:31,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1166 transitions. [2023-11-29 04:37:31,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:37:31,488 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1166 transitions. [2023-11-29 04:37:31,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.6666666666667) internal successors, (1166), 3 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 04:37:31,491 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:37:31,492 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:37:31,492 INFO L175 Difference]: Start difference. First operand has 354 places, 354 transitions, 728 flow. Second operand 3 states and 1166 transitions. [2023-11-29 04:37:31,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 353 transitions, 836 flow [2023-11-29 04:37:31,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 353 transitions, 832 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:37:31,497 INFO L231 Difference]: Finished difference. Result has 353 places, 353 transitions, 726 flow [2023-11-29 04:37:31,497 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=726, PETRI_PLACES=353, PETRI_TRANSITIONS=353} [2023-11-29 04:37:31,497 INFO L281 CegarLoopForPetriNet]: 431 programPoint places, -78 predicate places. [2023-11-29 04:37:31,498 INFO L495 AbstractCegarLoop]: Abstraction has has 353 places, 353 transitions, 726 flow [2023-11-29 04:37:31,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:37:31,498 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:37:31,498 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:37:31,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 04:37:31,498 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2023-11-29 04:37:31,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:37:31,499 INFO L85 PathProgramCache]: Analyzing trace with hash 902577622, now seen corresponding path program 1 times [2023-11-29 04:37:31,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:37:31,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932990939] [2023-11-29 04:37:31,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:37:31,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:37:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:37:31,524 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 04:37:31,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:37:31,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932990939] [2023-11-29 04:37:31,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932990939] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:37:31,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:37:31,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:37:31,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535284437] [2023-11-29 04:37:31,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:37:31,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:37:31,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:37:31,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:37:31,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:37:31,534 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 494 [2023-11-29 04:37:31,535 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 353 transitions, 726 flow. Second operand has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:37:31,536 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:37:31,536 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 494 [2023-11-29 04:37:31,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:37:40,959 INFO L124 PetriNetUnfolderBase]: 37106/60777 cut-off events. [2023-11-29 04:37:40,959 INFO L125 PetriNetUnfolderBase]: For 4207/4295 co-relation queries the response was YES. [2023-11-29 04:37:41,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110626 conditions, 60777 events. 37106/60777 cut-off events. For 4207/4295 co-relation queries the response was YES. Maximal size of possible extension queue 2784. Compared 532200 event pairs, 26821 based on Foata normal form. 0/53559 useless extension candidates. Maximal degree in co-relation 110489. Up to 47698 conditions per place. [2023-11-29 04:37:41,612 INFO L140 encePairwiseOnDemand]: 491/494 looper letters, 53 selfloop transitions, 2 changer transitions 0/352 dead transitions. [2023-11-29 04:37:41,613 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 354 places, 352 transitions, 834 flow [2023-11-29 04:37:41,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:37:41,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:37:41,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1166 transitions. [2023-11-29 04:37:41,616 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.786774628879892 [2023-11-29 04:37:41,616 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1166 transitions. [2023-11-29 04:37:41,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1166 transitions. [2023-11-29 04:37:41,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:37:41,616 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1166 transitions. [2023-11-29 04:37:41,618 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.6666666666667) internal successors, (1166), 3 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 04:37:41,620 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:37:41,620 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:37:41,621 INFO L175 Difference]: Start difference. First operand has 353 places, 353 transitions, 726 flow. Second operand 3 states and 1166 transitions. [2023-11-29 04:37:41,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 354 places, 352 transitions, 834 flow [2023-11-29 04:37:41,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 352 places, 352 transitions, 830 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:37:41,626 INFO L231 Difference]: Finished difference. Result has 352 places, 352 transitions, 724 flow [2023-11-29 04:37:41,627 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=720, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=724, PETRI_PLACES=352, PETRI_TRANSITIONS=352} [2023-11-29 04:37:41,627 INFO L281 CegarLoopForPetriNet]: 431 programPoint places, -79 predicate places. [2023-11-29 04:37:41,627 INFO L495 AbstractCegarLoop]: Abstraction has has 352 places, 352 transitions, 724 flow [2023-11-29 04:37:41,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:37:41,628 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:37:41,628 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:37:41,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 04:37:41,628 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2023-11-29 04:37:41,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:37:41,628 INFO L85 PathProgramCache]: Analyzing trace with hash -646869087, now seen corresponding path program 1 times [2023-11-29 04:37:41,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:37:41,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235793048] [2023-11-29 04:37:41,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:37:41,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:37:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:37:41,661 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 04:37:41,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:37:41,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235793048] [2023-11-29 04:37:41,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235793048] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:37:41,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:37:41,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:37:41,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788438984] [2023-11-29 04:37:41,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:37:41,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:37:41,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:37:41,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:37:41,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:37:41,671 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 494 [2023-11-29 04:37:41,672 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 352 transitions, 724 flow. Second operand has 3 states, 3 states have (on average 371.0) internal successors, (1113), 3 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:37:41,672 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:37:41,672 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 494 [2023-11-29 04:37:41,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:37:53,247 INFO L124 PetriNetUnfolderBase]: 46197/82040 cut-off events. [2023-11-29 04:37:53,247 INFO L125 PetriNetUnfolderBase]: For 5463/5551 co-relation queries the response was YES. [2023-11-29 04:37:53,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143978 conditions, 82040 events. 46197/82040 cut-off events. For 5463/5551 co-relation queries the response was YES. Maximal size of possible extension queue 3335. Compared 817700 event pairs, 9067 based on Foata normal form. 9/72369 useless extension candidates. Maximal degree in co-relation 143834. Up to 43362 conditions per place. [2023-11-29 04:37:54,054 INFO L140 encePairwiseOnDemand]: 486/494 looper letters, 97 selfloop transitions, 6 changer transitions 0/398 dead transitions. [2023-11-29 04:37:54,054 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 398 transitions, 1036 flow [2023-11-29 04:37:54,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:37:54,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:37:54,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1215 transitions. [2023-11-29 04:37:54,057 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.819838056680162 [2023-11-29 04:37:54,057 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1215 transitions. [2023-11-29 04:37:54,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1215 transitions. [2023-11-29 04:37:54,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:37:54,058 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1215 transitions. [2023-11-29 04:37:54,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 405.0) internal successors, (1215), 3 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:37:54,063 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:37:54,064 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:37:54,064 INFO L175 Difference]: Start difference. First operand has 352 places, 352 transitions, 724 flow. Second operand 3 states and 1215 transitions. [2023-11-29 04:37:54,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 398 transitions, 1036 flow [2023-11-29 04:37:54,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 350 places, 398 transitions, 1032 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:37:54,074 INFO L231 Difference]: Finished difference. Result has 352 places, 355 transitions, 760 flow [2023-11-29 04:37:54,075 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=760, PETRI_PLACES=352, PETRI_TRANSITIONS=355} [2023-11-29 04:37:54,075 INFO L281 CegarLoopForPetriNet]: 431 programPoint places, -79 predicate places. [2023-11-29 04:37:54,075 INFO L495 AbstractCegarLoop]: Abstraction has has 352 places, 355 transitions, 760 flow [2023-11-29 04:37:54,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.0) internal successors, (1113), 3 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:37:54,076 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:37:54,076 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:37:54,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 04:37:54,076 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2023-11-29 04:37:54,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:37:54,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1129110925, now seen corresponding path program 1 times [2023-11-29 04:37:54,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:37:54,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109011232] [2023-11-29 04:37:54,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:37:54,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:37:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:37:54,113 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 04:37:54,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:37:54,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109011232] [2023-11-29 04:37:54,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109011232] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:37:54,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:37:54,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:37:54,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79303441] [2023-11-29 04:37:54,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:37:54,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:37:54,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:37:54,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:37:54,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:37:54,123 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 494 [2023-11-29 04:37:54,124 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 355 transitions, 760 flow. Second operand has 3 states, 3 states have (on average 371.0) internal successors, (1113), 3 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:37:54,124 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:37:54,124 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 494 [2023-11-29 04:37:54,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:38:08,499 INFO L124 PetriNetUnfolderBase]: 57121/99638 cut-off events. [2023-11-29 04:38:08,499 INFO L125 PetriNetUnfolderBase]: For 27025/27178 co-relation queries the response was YES. [2023-11-29 04:38:08,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 191345 conditions, 99638 events. 57121/99638 cut-off events. For 27025/27178 co-relation queries the response was YES. Maximal size of possible extension queue 3953. Compared 991439 event pairs, 10649 based on Foata normal form. 1/88130 useless extension candidates. Maximal degree in co-relation 187695. Up to 53556 conditions per place. [2023-11-29 04:38:09,578 INFO L140 encePairwiseOnDemand]: 486/494 looper letters, 104 selfloop transitions, 6 changer transitions 0/404 dead transitions. [2023-11-29 04:38:09,578 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 404 transitions, 1115 flow [2023-11-29 04:38:09,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:38:09,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:38:09,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1214 transitions. [2023-11-29 04:38:09,581 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8191632928475033 [2023-11-29 04:38:09,581 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1214 transitions. [2023-11-29 04:38:09,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1214 transitions. [2023-11-29 04:38:09,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:38:09,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1214 transitions. [2023-11-29 04:38:09,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.6666666666667) internal successors, (1214), 3 states have internal predecessors, (1214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:38:09,585 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:38:09,586 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:38:09,586 INFO L175 Difference]: Start difference. First operand has 352 places, 355 transitions, 760 flow. Second operand 3 states and 1214 transitions. [2023-11-29 04:38:09,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 404 transitions, 1115 flow [2023-11-29 04:38:09,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 350 places, 404 transitions, 1095 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:38:09,617 INFO L231 Difference]: Finished difference. Result has 352 places, 358 transitions, 788 flow [2023-11-29 04:38:09,618 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=744, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=788, PETRI_PLACES=352, PETRI_TRANSITIONS=358} [2023-11-29 04:38:09,618 INFO L281 CegarLoopForPetriNet]: 431 programPoint places, -79 predicate places. [2023-11-29 04:38:09,618 INFO L495 AbstractCegarLoop]: Abstraction has has 352 places, 358 transitions, 788 flow [2023-11-29 04:38:09,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.0) internal successors, (1113), 3 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:38:09,619 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:38:09,619 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:38:09,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 04:38:09,619 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2023-11-29 04:38:09,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:38:09,619 INFO L85 PathProgramCache]: Analyzing trace with hash -235305731, now seen corresponding path program 1 times [2023-11-29 04:38:09,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:38:09,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98389594] [2023-11-29 04:38:09,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:38:09,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:38:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:38:09,661 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 04:38:09,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:38:09,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98389594] [2023-11-29 04:38:09,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98389594] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:38:09,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:38:09,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:38:09,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196536023] [2023-11-29 04:38:09,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:38:09,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:38:09,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:38:09,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:38:09,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:38:09,672 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 494 [2023-11-29 04:38:09,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 358 transitions, 788 flow. Second operand has 3 states, 3 states have (on average 371.0) internal successors, (1113), 3 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:38:09,673 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:38:09,673 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 494 [2023-11-29 04:38:09,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:38:28,122 INFO L124 PetriNetUnfolderBase]: 69414/114177 cut-off events. [2023-11-29 04:38:28,122 INFO L125 PetriNetUnfolderBase]: For 35782/36560 co-relation queries the response was YES. [2023-11-29 04:38:28,679 INFO L83 FinitePrefix]: Finished finitePrefix Result has 237211 conditions, 114177 events. 69414/114177 cut-off events. For 35782/36560 co-relation queries the response was YES. Maximal size of possible extension queue 4604. Compared 1076481 event pairs, 36079 based on Foata normal form. 23/100266 useless extension candidates. Maximal degree in co-relation 211667. Up to 67889 conditions per place. [2023-11-29 04:38:29,496 INFO L140 encePairwiseOnDemand]: 486/494 looper letters, 115 selfloop transitions, 6 changer transitions 0/414 dead transitions. [2023-11-29 04:38:29,496 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 414 transitions, 1196 flow [2023-11-29 04:38:29,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:38:29,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:38:29,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1218 transitions. [2023-11-29 04:38:29,501 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8218623481781376 [2023-11-29 04:38:29,501 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1218 transitions. [2023-11-29 04:38:29,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1218 transitions. [2023-11-29 04:38:29,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:38:29,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1218 transitions. [2023-11-29 04:38:29,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.0) internal successors, (1218), 3 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:38:29,505 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:38:29,505 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:38:29,505 INFO L175 Difference]: Start difference. First operand has 352 places, 358 transitions, 788 flow. Second operand 3 states and 1218 transitions. [2023-11-29 04:38:29,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 414 transitions, 1196 flow [2023-11-29 04:38:29,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 350 places, 414 transitions, 1176 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:38:29,651 INFO L231 Difference]: Finished difference. Result has 352 places, 361 transitions, 816 flow [2023-11-29 04:38:29,651 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=772, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=816, PETRI_PLACES=352, PETRI_TRANSITIONS=361} [2023-11-29 04:38:29,652 INFO L281 CegarLoopForPetriNet]: 431 programPoint places, -79 predicate places. [2023-11-29 04:38:29,652 INFO L495 AbstractCegarLoop]: Abstraction has has 352 places, 361 transitions, 816 flow [2023-11-29 04:38:29,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.0) internal successors, (1113), 3 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:38:29,652 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:38:29,652 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:38:29,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 04:38:29,652 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2023-11-29 04:38:29,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:38:29,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1504498412, now seen corresponding path program 1 times [2023-11-29 04:38:29,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:38:29,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692182526] [2023-11-29 04:38:29,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:38:29,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:38:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:38:29,688 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 04:38:29,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:38:29,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692182526] [2023-11-29 04:38:29,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692182526] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:38:29,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:38:29,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:38:29,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633538128] [2023-11-29 04:38:29,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:38:29,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:38:29,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:38:29,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:38:29,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:38:29,698 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 494 [2023-11-29 04:38:29,699 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 361 transitions, 816 flow. Second operand has 3 states, 3 states have (on average 371.0) internal successors, (1113), 3 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:38:29,699 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:38:29,699 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 494 [2023-11-29 04:38:29,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:38:52,138 INFO L124 PetriNetUnfolderBase]: 83820/140672 cut-off events. [2023-11-29 04:38:52,138 INFO L125 PetriNetUnfolderBase]: For 57569/58736 co-relation queries the response was YES. [2023-11-29 04:38:52,867 INFO L83 FinitePrefix]: Finished finitePrefix Result has 301872 conditions, 140672 events. 83820/140672 cut-off events. For 57569/58736 co-relation queries the response was YES. Maximal size of possible extension queue 5555. Compared 1393299 event pairs, 41711 based on Foata normal form. 117/124105 useless extension candidates. Maximal degree in co-relation 248379. Up to 82316 conditions per place. [2023-11-29 04:38:53,939 INFO L140 encePairwiseOnDemand]: 486/494 looper letters, 119 selfloop transitions, 5 changer transitions 16/421 dead transitions. [2023-11-29 04:38:53,940 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 421 transitions, 1262 flow [2023-11-29 04:38:53,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:38:53,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:38:53,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1217 transitions. [2023-11-29 04:38:53,943 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8211875843454791 [2023-11-29 04:38:53,944 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1217 transitions. [2023-11-29 04:38:53,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1217 transitions. [2023-11-29 04:38:53,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:38:53,945 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1217 transitions. [2023-11-29 04:38:53,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 405.6666666666667) internal successors, (1217), 3 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:38:53,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:38:53,950 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:38:53,950 INFO L175 Difference]: Start difference. First operand has 352 places, 361 transitions, 816 flow. Second operand 3 states and 1217 transitions. [2023-11-29 04:38:53,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 421 transitions, 1262 flow [2023-11-29 04:38:53,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 350 places, 421 transitions, 1242 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:38:53,974 INFO L231 Difference]: Finished difference. Result has 352 places, 349 transitions, 795 flow [2023-11-29 04:38:53,975 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=795, PETRI_PLACES=352, PETRI_TRANSITIONS=349} [2023-11-29 04:38:53,975 INFO L281 CegarLoopForPetriNet]: 431 programPoint places, -79 predicate places. [2023-11-29 04:38:53,976 INFO L495 AbstractCegarLoop]: Abstraction has has 352 places, 349 transitions, 795 flow [2023-11-29 04:38:53,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.0) internal successors, (1113), 3 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:38:53,976 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:38:53,976 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:38:53,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 04:38:53,976 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 144 more)] === [2023-11-29 04:38:53,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:38:53,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1975624971, now seen corresponding path program 1 times [2023-11-29 04:38:53,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:38:53,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253608542] [2023-11-29 04:38:53,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:38:53,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:38:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:38:54,706 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 04:38:54,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:38:54,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253608542] [2023-11-29 04:38:54,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253608542] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:38:54,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:38:54,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:38:54,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581562072] [2023-11-29 04:38:54,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:38:54,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:38:54,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:38:54,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:38:54,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:38:55,058 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 494 [2023-11-29 04:38:55,059 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 349 transitions, 795 flow. Second operand has 6 states, 6 states have (on average 368.5) internal successors, (2211), 6 states have internal predecessors, (2211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:38:55,060 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:38:55,060 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 494 [2023-11-29 04:38:55,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand