./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-prod-cons-eq.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_305fe88d-66b2-4be2-9c7c-118682ea9ff5/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305fe88d-66b2-4be2-9c7c-118682ea9ff5/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_305fe88d-66b2-4be2-9c7c-118682ea9ff5/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305fe88d-66b2-4be2-9c7c-118682ea9ff5/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305fe88d-66b2-4be2-9c7c-118682ea9ff5/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_305fe88d-66b2-4be2-9c7c-118682ea9ff5/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 1ecd7c8e693c00e4ad1aa87421fd475cfc129d605eef5f310568fee0c97eadf4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:16:27,516 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:16:27,577 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305fe88d-66b2-4be2-9c7c-118682ea9ff5/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 02:16:27,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:16:27,582 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:16:27,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:16:27,605 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:16:27,606 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:16:27,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:16:27,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:16:27,608 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:16:27,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:16:27,609 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:16:27,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:16:27,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:16:27,611 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:16:27,611 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:16:27,612 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:16:27,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:16:27,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:16:27,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:16:27,615 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:16:27,615 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 02:16:27,616 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 02:16:27,616 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:16:27,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:16:27,617 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:16:27,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:16:27,618 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:16:27,619 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:16:27,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:16:27,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:16:27,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:16:27,620 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:16:27,620 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:16:27,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:16:27,620 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:16:27,621 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:16:27,621 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:16:27,621 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:16:27,621 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:16:27,621 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_305fe88d-66b2-4be2-9c7c-118682ea9ff5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305fe88d-66b2-4be2-9c7c-118682ea9ff5/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ecd7c8e693c00e4ad1aa87421fd475cfc129d605eef5f310568fee0c97eadf4 [2023-11-29 02:16:27,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:16:27,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:16:27,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:16:27,865 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:16:27,865 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:16:27,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305fe88d-66b2-4be2-9c7c-118682ea9ff5/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c [2023-11-29 02:16:32,575 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:16:32,794 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:16:32,795 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305fe88d-66b2-4be2-9c7c-118682ea9ff5/sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c [2023-11-29 02:16:32,805 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305fe88d-66b2-4be2-9c7c-118682ea9ff5/bin/uautomizer-verify-BQ2R08f2Ya/data/979b977eb/272a0fe412eb4d4d83caa7a5af9afe14/FLAGfa7e76e8c [2023-11-29 02:16:32,819 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305fe88d-66b2-4be2-9c7c-118682ea9ff5/bin/uautomizer-verify-BQ2R08f2Ya/data/979b977eb/272a0fe412eb4d4d83caa7a5af9afe14 [2023-11-29 02:16:32,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:16:32,823 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:16:32,825 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:16:32,825 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:16:32,830 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:16:32,831 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:16:32" (1/1) ... [2023-11-29 02:16:32,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec074b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:32, skipping insertion in model container [2023-11-29 02:16:32,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:16:32" (1/1) ... [2023-11-29 02:16:32,860 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:16:33,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:16:33,094 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:16:33,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:16:33,160 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:16:33,160 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:16:33,167 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:16:33,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:33 WrapperNode [2023-11-29 02:16:33,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:16:33,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:16:33,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:16:33,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:16:33,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:33" (1/1) ... [2023-11-29 02:16:33,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:33" (1/1) ... [2023-11-29 02:16:33,253 INFO L138 Inliner]: procedures = 28, calls = 81, calls flagged for inlining = 27, calls inlined = 33, statements flattened = 842 [2023-11-29 02:16:33,254 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:16:33,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:16:33,255 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:16:33,255 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:16:33,265 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:33" (1/1) ... [2023-11-29 02:16:33,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:33" (1/1) ... [2023-11-29 02:16:33,277 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:33" (1/1) ... [2023-11-29 02:16:33,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:33" (1/1) ... [2023-11-29 02:16:33,315 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:33" (1/1) ... [2023-11-29 02:16:33,324 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:33" (1/1) ... [2023-11-29 02:16:33,330 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:33" (1/1) ... [2023-11-29 02:16:33,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:33" (1/1) ... [2023-11-29 02:16:33,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:16:33,345 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:16:33,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:16:33,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:16:33,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:33" (1/1) ... [2023-11-29 02:16:33,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:16:33,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305fe88d-66b2-4be2-9c7c-118682ea9ff5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:16:33,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305fe88d-66b2-4be2-9c7c-118682ea9ff5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:16:33,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305fe88d-66b2-4be2-9c7c-118682ea9ff5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:16:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:16:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-29 02:16:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 02:16:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 02:16:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 02:16:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-29 02:16:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 02:16:33,410 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 02:16:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 02:16:33,410 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 02:16:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 02:16:33,411 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 02:16:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 02:16:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 02:16:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 02:16:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 02:16:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:16:33,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:16:33,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 02:16:33,414 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 02:16:33,556 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:16:33,557 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:16:34,562 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:16:35,469 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:16:35,469 INFO L309 CfgBuilder]: Removed 9 assume(true) statements. [2023-11-29 02:16:35,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:16:35 BoogieIcfgContainer [2023-11-29 02:16:35,472 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:16:35,474 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:16:35,475 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:16:35,478 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:16:35,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:16:32" (1/3) ... [2023-11-29 02:16:35,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a0cfeee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:16:35, skipping insertion in model container [2023-11-29 02:16:35,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:16:33" (2/3) ... [2023-11-29 02:16:35,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a0cfeee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:16:35, skipping insertion in model container [2023-11-29 02:16:35,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:16:35" (3/3) ... [2023-11-29 02:16:35,481 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons-eq.wvr.c [2023-11-29 02:16:35,490 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 02:16:35,501 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:16:35,501 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 130 error locations. [2023-11-29 02:16:35,501 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 02:16:35,722 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-29 02:16:35,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 806 places, 837 transitions, 1695 flow [2023-11-29 02:16:36,007 INFO L124 PetriNetUnfolderBase]: 41/834 cut-off events. [2023-11-29 02:16:36,007 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 02:16:36,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 847 conditions, 834 events. 41/834 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1604 event pairs, 0 based on Foata normal form. 0/663 useless extension candidates. Maximal degree in co-relation 582. Up to 2 conditions per place. [2023-11-29 02:16:36,020 INFO L82 GeneralOperation]: Start removeDead. Operand has 806 places, 837 transitions, 1695 flow [2023-11-29 02:16:36,037 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 781 places, 811 transitions, 1640 flow [2023-11-29 02:16:36,045 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:16:36,050 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;@8688c52, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:16:36,051 INFO L358 AbstractCegarLoop]: Starting to check reachability of 225 error locations. [2023-11-29 02:16:36,076 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 02:16:36,076 INFO L124 PetriNetUnfolderBase]: 0/34 cut-off events. [2023-11-29 02:16:36,076 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 02:16:36,076 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:16:36,077 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] [2023-11-29 02:16:36,077 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:16:36,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:36,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1056634186, now seen corresponding path program 1 times [2023-11-29 02:16:36,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:16:36,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130478803] [2023-11-29 02:16:36,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:36,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:16:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:36,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:16:36,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:16:36,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130478803] [2023-11-29 02:16:36,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130478803] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:36,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:36,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:16:36,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027858407] [2023-11-29 02:16:36,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:36,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:16:36,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:16:36,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:16:36,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:16:36,348 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 740 out of 837 [2023-11-29 02:16:36,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 781 places, 811 transitions, 1640 flow. Second operand has 3 states, 3 states have (on average 741.3333333333334) internal successors, (2224), 3 states have internal predecessors, (2224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:36,358 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:16:36,358 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 740 of 837 [2023-11-29 02:16:36,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:16:36,794 INFO L124 PetriNetUnfolderBase]: 52/991 cut-off events. [2023-11-29 02:16:36,795 INFO L125 PetriNetUnfolderBase]: For 36/40 co-relation queries the response was YES. [2023-11-29 02:16:36,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1094 conditions, 991 events. 52/991 cut-off events. For 36/40 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2979 event pairs, 19 based on Foata normal form. 71/895 useless extension candidates. Maximal degree in co-relation 699. Up to 65 conditions per place. [2023-11-29 02:16:36,808 INFO L140 encePairwiseOnDemand]: 757/837 looper letters, 14 selfloop transitions, 2 changer transitions 12/733 dead transitions. [2023-11-29 02:16:36,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 731 places, 733 transitions, 1516 flow [2023-11-29 02:16:36,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:16:36,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:16:36,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2314 transitions. [2023-11-29 02:16:36,827 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9215452011150936 [2023-11-29 02:16:36,828 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2314 transitions. [2023-11-29 02:16:36,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2314 transitions. [2023-11-29 02:16:36,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:16:36,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2314 transitions. [2023-11-29 02:16:36,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 771.3333333333334) internal successors, (2314), 3 states have internal predecessors, (2314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:36,853 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:36,855 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:36,857 INFO L175 Difference]: Start difference. First operand has 781 places, 811 transitions, 1640 flow. Second operand 3 states and 2314 transitions. [2023-11-29 02:16:36,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 731 places, 733 transitions, 1516 flow [2023-11-29 02:16:36,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 725 places, 733 transitions, 1504 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-29 02:16:36,878 INFO L231 Difference]: Finished difference. Result has 725 places, 721 transitions, 1452 flow [2023-11-29 02:16:36,881 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1472, PETRI_DIFFERENCE_MINUEND_PLACES=723, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=733, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=731, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1452, PETRI_PLACES=725, PETRI_TRANSITIONS=721} [2023-11-29 02:16:36,884 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -56 predicate places. [2023-11-29 02:16:36,885 INFO L495 AbstractCegarLoop]: Abstraction has has 725 places, 721 transitions, 1452 flow [2023-11-29 02:16:36,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 741.3333333333334) internal successors, (2224), 3 states have internal predecessors, (2224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:36,887 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:16:36,887 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:16:36,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:16:36,887 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:16:36,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:36,888 INFO L85 PathProgramCache]: Analyzing trace with hash -641050453, now seen corresponding path program 1 times [2023-11-29 02:16:36,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:16:36,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884253614] [2023-11-29 02:16:36,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:36,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:16:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:36,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:16:36,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:16:36,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884253614] [2023-11-29 02:16:36,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884253614] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:36,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:36,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:16:36,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943347865] [2023-11-29 02:16:36,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:36,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:16:36,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:16:36,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:16:36,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:16:37,002 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 735 out of 837 [2023-11-29 02:16:37,005 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 725 places, 721 transitions, 1452 flow. Second operand has 3 states, 3 states have (on average 736.3333333333334) internal successors, (2209), 3 states have internal predecessors, (2209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:37,005 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:16:37,006 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 735 of 837 [2023-11-29 02:16:37,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:16:37,404 INFO L124 PetriNetUnfolderBase]: 92/1042 cut-off events. [2023-11-29 02:16:37,404 INFO L125 PetriNetUnfolderBase]: For 8/14 co-relation queries the response was YES. [2023-11-29 02:16:37,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1210 conditions, 1042 events. 92/1042 cut-off events. For 8/14 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3523 event pairs, 51 based on Foata normal form. 0/880 useless extension candidates. Maximal degree in co-relation 1167. Up to 134 conditions per place. [2023-11-29 02:16:37,424 INFO L140 encePairwiseOnDemand]: 834/837 looper letters, 19 selfloop transitions, 2 changer transitions 0/720 dead transitions. [2023-11-29 02:16:37,424 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 714 places, 720 transitions, 1492 flow [2023-11-29 02:16:37,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:16:37,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:16:37,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2227 transitions. [2023-11-29 02:16:37,432 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8868976503385105 [2023-11-29 02:16:37,432 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2227 transitions. [2023-11-29 02:16:37,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2227 transitions. [2023-11-29 02:16:37,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:16:37,434 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2227 transitions. [2023-11-29 02:16:37,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 742.3333333333334) internal successors, (2227), 3 states have internal predecessors, (2227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:37,448 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:37,451 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:37,451 INFO L175 Difference]: Start difference. First operand has 725 places, 721 transitions, 1452 flow. Second operand 3 states and 2227 transitions. [2023-11-29 02:16:37,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 714 places, 720 transitions, 1492 flow [2023-11-29 02:16:37,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 712 places, 720 transitions, 1488 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:16:37,466 INFO L231 Difference]: Finished difference. Result has 712 places, 720 transitions, 1450 flow [2023-11-29 02:16:37,468 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1446, PETRI_DIFFERENCE_MINUEND_PLACES=710, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=720, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=718, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1450, PETRI_PLACES=712, PETRI_TRANSITIONS=720} [2023-11-29 02:16:37,469 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -69 predicate places. [2023-11-29 02:16:37,469 INFO L495 AbstractCegarLoop]: Abstraction has has 712 places, 720 transitions, 1450 flow [2023-11-29 02:16:37,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 736.3333333333334) internal successors, (2209), 3 states have internal predecessors, (2209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:37,471 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:16:37,471 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] [2023-11-29 02:16:37,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:16:37,472 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:16:37,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:37,472 INFO L85 PathProgramCache]: Analyzing trace with hash -887473073, now seen corresponding path program 1 times [2023-11-29 02:16:37,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:16:37,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352307492] [2023-11-29 02:16:37,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:37,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:16:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:37,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:16:37,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:16:37,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352307492] [2023-11-29 02:16:37,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352307492] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:37,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:37,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:16:37,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491630754] [2023-11-29 02:16:37,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:37,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:16:37,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:16:37,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:16:37,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:16:37,576 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 733 out of 837 [2023-11-29 02:16:37,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 712 places, 720 transitions, 1450 flow. Second operand has 3 states, 3 states have (on average 734.0) internal successors, (2202), 3 states have internal predecessors, (2202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:37,580 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:16:37,580 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 733 of 837 [2023-11-29 02:16:37,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:16:38,030 INFO L124 PetriNetUnfolderBase]: 124/1130 cut-off events. [2023-11-29 02:16:38,031 INFO L125 PetriNetUnfolderBase]: For 9/16 co-relation queries the response was YES. [2023-11-29 02:16:38,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1360 conditions, 1130 events. 124/1130 cut-off events. For 9/16 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 4209 event pairs, 67 based on Foata normal form. 0/977 useless extension candidates. Maximal degree in co-relation 1309. Up to 167 conditions per place. [2023-11-29 02:16:38,054 INFO L140 encePairwiseOnDemand]: 830/837 looper letters, 23 selfloop transitions, 3 changer transitions 0/721 dead transitions. [2023-11-29 02:16:38,054 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 710 places, 721 transitions, 1506 flow [2023-11-29 02:16:38,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:16:38,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:16:38,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2229 transitions. [2023-11-29 02:16:38,061 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8876941457586619 [2023-11-29 02:16:38,062 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2229 transitions. [2023-11-29 02:16:38,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2229 transitions. [2023-11-29 02:16:38,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:16:38,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2229 transitions. [2023-11-29 02:16:38,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 743.0) internal successors, (2229), 3 states have internal predecessors, (2229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:38,078 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:38,081 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:38,081 INFO L175 Difference]: Start difference. First operand has 712 places, 720 transitions, 1450 flow. Second operand 3 states and 2229 transitions. [2023-11-29 02:16:38,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 710 places, 721 transitions, 1506 flow [2023-11-29 02:16:38,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 708 places, 721 transitions, 1502 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:16:38,097 INFO L231 Difference]: Finished difference. Result has 708 places, 716 transitions, 1444 flow [2023-11-29 02:16:38,099 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1438, PETRI_DIFFERENCE_MINUEND_PLACES=706, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=716, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=713, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1444, PETRI_PLACES=708, PETRI_TRANSITIONS=716} [2023-11-29 02:16:38,100 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -73 predicate places. [2023-11-29 02:16:38,100 INFO L495 AbstractCegarLoop]: Abstraction has has 708 places, 716 transitions, 1444 flow [2023-11-29 02:16:38,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 734.0) internal successors, (2202), 3 states have internal predecessors, (2202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:38,102 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:16:38,102 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] [2023-11-29 02:16:38,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 02:16:38,103 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:16:38,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:38,103 INFO L85 PathProgramCache]: Analyzing trace with hash 85633244, now seen corresponding path program 1 times [2023-11-29 02:16:38,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:16:38,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869423484] [2023-11-29 02:16:38,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:38,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:16:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:38,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:16:38,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:16:38,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869423484] [2023-11-29 02:16:38,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869423484] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:38,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:38,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:16:38,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215262307] [2023-11-29 02:16:38,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:38,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:16:38,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:16:38,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:16:38,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:16:38,207 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 730 out of 837 [2023-11-29 02:16:38,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 708 places, 716 transitions, 1444 flow. Second operand has 3 states, 3 states have (on average 731.3333333333334) internal successors, (2194), 3 states have internal predecessors, (2194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:38,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:16:38,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 730 of 837 [2023-11-29 02:16:38,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:16:38,856 INFO L124 PetriNetUnfolderBase]: 342/2251 cut-off events. [2023-11-29 02:16:38,856 INFO L125 PetriNetUnfolderBase]: For 115/119 co-relation queries the response was YES. [2023-11-29 02:16:38,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2795 conditions, 2251 events. 342/2251 cut-off events. For 115/119 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 12489 event pairs, 199 based on Foata normal form. 0/1866 useless extension candidates. Maximal degree in co-relation 2122. Up to 475 conditions per place. [2023-11-29 02:16:38,876 INFO L140 encePairwiseOnDemand]: 834/837 looper letters, 24 selfloop transitions, 2 changer transitions 0/715 dead transitions. [2023-11-29 02:16:38,876 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 709 places, 715 transitions, 1494 flow [2023-11-29 02:16:38,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:16:38,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:16:38,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2217 transitions. [2023-11-29 02:16:38,883 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8829151732377539 [2023-11-29 02:16:38,883 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2217 transitions. [2023-11-29 02:16:38,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2217 transitions. [2023-11-29 02:16:38,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:16:38,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2217 transitions. [2023-11-29 02:16:38,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 739.0) internal successors, (2217), 3 states have internal predecessors, (2217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:38,897 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:38,899 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:38,899 INFO L175 Difference]: Start difference. First operand has 708 places, 716 transitions, 1444 flow. Second operand 3 states and 2217 transitions. [2023-11-29 02:16:38,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 709 places, 715 transitions, 1494 flow [2023-11-29 02:16:38,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 707 places, 715 transitions, 1488 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:16:38,914 INFO L231 Difference]: Finished difference. Result has 707 places, 715 transitions, 1440 flow [2023-11-29 02:16:38,915 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1436, PETRI_DIFFERENCE_MINUEND_PLACES=705, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=715, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=713, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1440, PETRI_PLACES=707, PETRI_TRANSITIONS=715} [2023-11-29 02:16:38,916 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -74 predicate places. [2023-11-29 02:16:38,916 INFO L495 AbstractCegarLoop]: Abstraction has has 707 places, 715 transitions, 1440 flow [2023-11-29 02:16:38,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 731.3333333333334) internal successors, (2194), 3 states have internal predecessors, (2194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:38,918 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:16:38,918 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] [2023-11-29 02:16:38,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 02:16:38,919 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:16:38,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:38,919 INFO L85 PathProgramCache]: Analyzing trace with hash -260414817, now seen corresponding path program 1 times [2023-11-29 02:16:38,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:16:38,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727699417] [2023-11-29 02:16:38,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:38,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:16:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:38,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:16:38,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:16:38,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727699417] [2023-11-29 02:16:38,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727699417] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:38,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:38,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:16:38,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179931027] [2023-11-29 02:16:38,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:38,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:16:38,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:16:38,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:16:38,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:16:38,988 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 738 out of 837 [2023-11-29 02:16:38,991 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 707 places, 715 transitions, 1440 flow. Second operand has 3 states, 3 states have (on average 739.3333333333334) internal successors, (2218), 3 states have internal predecessors, (2218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:38,991 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:16:38,992 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 738 of 837 [2023-11-29 02:16:38,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:16:39,296 INFO L124 PetriNetUnfolderBase]: 52/960 cut-off events. [2023-11-29 02:16:39,296 INFO L125 PetriNetUnfolderBase]: For 8/12 co-relation queries the response was YES. [2023-11-29 02:16:39,304 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1045 conditions, 960 events. 52/960 cut-off events. For 8/12 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2850 event pairs, 19 based on Foata normal form. 0/824 useless extension candidates. Maximal degree in co-relation 987. Up to 67 conditions per place. [2023-11-29 02:16:39,311 INFO L140 encePairwiseOnDemand]: 834/837 looper letters, 16 selfloop transitions, 2 changer transitions 0/714 dead transitions. [2023-11-29 02:16:39,312 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 708 places, 714 transitions, 1474 flow [2023-11-29 02:16:39,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:16:39,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:16:39,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2233 transitions. [2023-11-29 02:16:39,318 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8892871365989645 [2023-11-29 02:16:39,318 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2233 transitions. [2023-11-29 02:16:39,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2233 transitions. [2023-11-29 02:16:39,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:16:39,320 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2233 transitions. [2023-11-29 02:16:39,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 744.3333333333334) internal successors, (2233), 3 states have internal predecessors, (2233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:39,337 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:39,340 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:39,341 INFO L175 Difference]: Start difference. First operand has 707 places, 715 transitions, 1440 flow. Second operand 3 states and 2233 transitions. [2023-11-29 02:16:39,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 708 places, 714 transitions, 1474 flow [2023-11-29 02:16:39,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 706 places, 714 transitions, 1470 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:16:39,358 INFO L231 Difference]: Finished difference. Result has 706 places, 714 transitions, 1438 flow [2023-11-29 02:16:39,360 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1434, PETRI_DIFFERENCE_MINUEND_PLACES=704, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=714, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=712, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1438, PETRI_PLACES=706, PETRI_TRANSITIONS=714} [2023-11-29 02:16:39,360 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -75 predicate places. [2023-11-29 02:16:39,361 INFO L495 AbstractCegarLoop]: Abstraction has has 706 places, 714 transitions, 1438 flow [2023-11-29 02:16:39,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 739.3333333333334) internal successors, (2218), 3 states have internal predecessors, (2218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:39,362 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:16:39,363 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] [2023-11-29 02:16:39,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 02:16:39,363 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:16:39,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:39,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1776141957, now seen corresponding path program 1 times [2023-11-29 02:16:39,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:16:39,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562193234] [2023-11-29 02:16:39,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:39,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:16:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:39,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:16:39,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:16:39,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562193234] [2023-11-29 02:16:39,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562193234] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:39,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:39,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:16:39,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739011567] [2023-11-29 02:16:39,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:39,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:16:39,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:16:39,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:16:39,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:16:39,432 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 740 out of 837 [2023-11-29 02:16:39,436 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 706 places, 714 transitions, 1438 flow. Second operand has 3 states, 3 states have (on average 741.0) internal successors, (2223), 3 states have internal predecessors, (2223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:39,436 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:16:39,436 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 740 of 837 [2023-11-29 02:16:39,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:16:39,743 INFO L124 PetriNetUnfolderBase]: 63/971 cut-off events. [2023-11-29 02:16:39,744 INFO L125 PetriNetUnfolderBase]: For 13/18 co-relation queries the response was YES. [2023-11-29 02:16:39,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1078 conditions, 971 events. 63/971 cut-off events. For 13/18 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2995 event pairs, 11 based on Foata normal form. 1/838 useless extension candidates. Maximal degree in co-relation 1012. Up to 47 conditions per place. [2023-11-29 02:16:39,755 INFO L140 encePairwiseOnDemand]: 832/837 looper letters, 21 selfloop transitions, 3 changer transitions 0/720 dead transitions. [2023-11-29 02:16:39,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 706 places, 720 transitions, 1502 flow [2023-11-29 02:16:39,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:16:39,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:16:39,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2246 transitions. [2023-11-29 02:16:39,763 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8944643568299482 [2023-11-29 02:16:39,763 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2246 transitions. [2023-11-29 02:16:39,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2246 transitions. [2023-11-29 02:16:39,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:16:39,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2246 transitions. [2023-11-29 02:16:39,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 748.6666666666666) internal successors, (2246), 3 states have internal predecessors, (2246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:39,776 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:39,777 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:39,777 INFO L175 Difference]: Start difference. First operand has 706 places, 714 transitions, 1438 flow. Second operand 3 states and 2246 transitions. [2023-11-29 02:16:39,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 706 places, 720 transitions, 1502 flow [2023-11-29 02:16:39,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 704 places, 720 transitions, 1498 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:16:39,793 INFO L231 Difference]: Finished difference. Result has 706 places, 714 transitions, 1450 flow [2023-11-29 02:16:39,795 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1430, PETRI_DIFFERENCE_MINUEND_PLACES=702, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=712, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=709, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1450, PETRI_PLACES=706, PETRI_TRANSITIONS=714} [2023-11-29 02:16:39,796 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -75 predicate places. [2023-11-29 02:16:39,796 INFO L495 AbstractCegarLoop]: Abstraction has has 706 places, 714 transitions, 1450 flow [2023-11-29 02:16:39,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 741.0) internal successors, (2223), 3 states have internal predecessors, (2223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:39,797 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:16:39,797 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 02:16:39,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 02:16:39,797 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:16:39,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:39,798 INFO L85 PathProgramCache]: Analyzing trace with hash -478153094, now seen corresponding path program 1 times [2023-11-29 02:16:39,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:16:39,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269193527] [2023-11-29 02:16:39,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:39,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:16:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:39,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:16:39,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:16:39,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269193527] [2023-11-29 02:16:39,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269193527] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:39,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:39,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:16:39,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152831176] [2023-11-29 02:16:39,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:39,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:16:39,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:16:39,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:16:39,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:16:39,871 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 735 out of 837 [2023-11-29 02:16:39,873 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 706 places, 714 transitions, 1450 flow. Second operand has 3 states, 3 states have (on average 736.3333333333334) internal successors, (2209), 3 states have internal predecessors, (2209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:39,873 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:16:39,873 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 735 of 837 [2023-11-29 02:16:39,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:16:40,417 INFO L124 PetriNetUnfolderBase]: 252/2647 cut-off events. [2023-11-29 02:16:40,417 INFO L125 PetriNetUnfolderBase]: For 148/156 co-relation queries the response was YES. [2023-11-29 02:16:40,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3059 conditions, 2647 events. 252/2647 cut-off events. For 148/156 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 15934 event pairs, 131 based on Foata normal form. 0/2145 useless extension candidates. Maximal degree in co-relation 1865. Up to 318 conditions per place. [2023-11-29 02:16:40,435 INFO L140 encePairwiseOnDemand]: 834/837 looper letters, 20 selfloop transitions, 2 changer transitions 0/713 dead transitions. [2023-11-29 02:16:40,435 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 707 places, 713 transitions, 1492 flow [2023-11-29 02:16:40,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:16:40,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:16:40,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2227 transitions. [2023-11-29 02:16:40,442 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8868976503385105 [2023-11-29 02:16:40,442 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2227 transitions. [2023-11-29 02:16:40,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2227 transitions. [2023-11-29 02:16:40,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:16:40,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2227 transitions. [2023-11-29 02:16:40,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 742.3333333333334) internal successors, (2227), 3 states have internal predecessors, (2227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:40,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:40,451 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:40,451 INFO L175 Difference]: Start difference. First operand has 706 places, 714 transitions, 1450 flow. Second operand 3 states and 2227 transitions. [2023-11-29 02:16:40,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 707 places, 713 transitions, 1492 flow [2023-11-29 02:16:40,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 705 places, 713 transitions, 1486 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:16:40,463 INFO L231 Difference]: Finished difference. Result has 705 places, 713 transitions, 1446 flow [2023-11-29 02:16:40,464 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1442, PETRI_DIFFERENCE_MINUEND_PLACES=703, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=713, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=711, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1446, PETRI_PLACES=705, PETRI_TRANSITIONS=713} [2023-11-29 02:16:40,464 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -76 predicate places. [2023-11-29 02:16:40,464 INFO L495 AbstractCegarLoop]: Abstraction has has 705 places, 713 transitions, 1446 flow [2023-11-29 02:16:40,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 736.3333333333334) internal successors, (2209), 3 states have internal predecessors, (2209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:40,465 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:16:40,465 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 02:16:40,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 02:16:40,466 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:16:40,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:40,466 INFO L85 PathProgramCache]: Analyzing trace with hash 523211871, now seen corresponding path program 1 times [2023-11-29 02:16:40,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:16:40,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105845734] [2023-11-29 02:16:40,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:40,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:16:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:40,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:16:40,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:16:40,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105845734] [2023-11-29 02:16:40,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105845734] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:40,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:40,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:16:40,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633236984] [2023-11-29 02:16:40,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:40,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:16:40,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:16:40,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:16:40,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:16:40,527 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 739 out of 837 [2023-11-29 02:16:40,529 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 705 places, 713 transitions, 1446 flow. Second operand has 3 states, 3 states have (on average 740.3333333333334) internal successors, (2221), 3 states have internal predecessors, (2221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:40,529 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:16:40,529 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 739 of 837 [2023-11-29 02:16:40,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:16:40,770 INFO L124 PetriNetUnfolderBase]: 64/1014 cut-off events. [2023-11-29 02:16:40,771 INFO L125 PetriNetUnfolderBase]: For 26/31 co-relation queries the response was YES. [2023-11-29 02:16:40,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1139 conditions, 1014 events. 64/1014 cut-off events. For 26/31 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3364 event pairs, 27 based on Foata normal form. 0/869 useless extension candidates. Maximal degree in co-relation 1064. Up to 86 conditions per place. [2023-11-29 02:16:40,780 INFO L140 encePairwiseOnDemand]: 834/837 looper letters, 16 selfloop transitions, 2 changer transitions 0/712 dead transitions. [2023-11-29 02:16:40,780 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 706 places, 712 transitions, 1480 flow [2023-11-29 02:16:40,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:16:40,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:16:40,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2235 transitions. [2023-11-29 02:16:40,786 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8900836320191159 [2023-11-29 02:16:40,786 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2235 transitions. [2023-11-29 02:16:40,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2235 transitions. [2023-11-29 02:16:40,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:16:40,787 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2235 transitions. [2023-11-29 02:16:40,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 745.0) internal successors, (2235), 3 states have internal predecessors, (2235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:40,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:40,796 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:40,796 INFO L175 Difference]: Start difference. First operand has 705 places, 713 transitions, 1446 flow. Second operand 3 states and 2235 transitions. [2023-11-29 02:16:40,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 706 places, 712 transitions, 1480 flow [2023-11-29 02:16:40,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 704 places, 712 transitions, 1476 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:16:40,807 INFO L231 Difference]: Finished difference. Result has 704 places, 712 transitions, 1444 flow [2023-11-29 02:16:40,808 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1440, PETRI_DIFFERENCE_MINUEND_PLACES=702, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=712, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=710, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1444, PETRI_PLACES=704, PETRI_TRANSITIONS=712} [2023-11-29 02:16:40,809 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -77 predicate places. [2023-11-29 02:16:40,809 INFO L495 AbstractCegarLoop]: Abstraction has has 704 places, 712 transitions, 1444 flow [2023-11-29 02:16:40,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 740.3333333333334) internal successors, (2221), 3 states have internal predecessors, (2221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:40,810 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:16:40,810 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] [2023-11-29 02:16:40,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 02:16:40,811 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:16:40,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:40,811 INFO L85 PathProgramCache]: Analyzing trace with hash 340385456, now seen corresponding path program 1 times [2023-11-29 02:16:40,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:16:40,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962806139] [2023-11-29 02:16:40,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:40,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:16:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:40,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:16:40,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:16:40,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962806139] [2023-11-29 02:16:40,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962806139] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:40,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:40,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:16:40,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440949862] [2023-11-29 02:16:40,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:40,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:16:40,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:16:40,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:16:40,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:16:40,876 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 738 out of 837 [2023-11-29 02:16:40,878 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 704 places, 712 transitions, 1444 flow. Second operand has 3 states, 3 states have (on average 739.3333333333334) internal successors, (2218), 3 states have internal predecessors, (2218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:40,878 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:16:40,878 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 738 of 837 [2023-11-29 02:16:40,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:16:41,186 INFO L124 PetriNetUnfolderBase]: 103/1185 cut-off events. [2023-11-29 02:16:41,186 INFO L125 PetriNetUnfolderBase]: For 44/49 co-relation queries the response was YES. [2023-11-29 02:16:41,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1374 conditions, 1185 events. 103/1185 cut-off events. For 44/49 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4824 event pairs, 53 based on Foata normal form. 0/1004 useless extension candidates. Maximal degree in co-relation 1291. Up to 142 conditions per place. [2023-11-29 02:16:41,198 INFO L140 encePairwiseOnDemand]: 834/837 looper letters, 17 selfloop transitions, 2 changer transitions 0/711 dead transitions. [2023-11-29 02:16:41,198 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 705 places, 711 transitions, 1480 flow [2023-11-29 02:16:41,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:16:41,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:16:41,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2233 transitions. [2023-11-29 02:16:41,204 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8892871365989645 [2023-11-29 02:16:41,204 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2233 transitions. [2023-11-29 02:16:41,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2233 transitions. [2023-11-29 02:16:41,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:16:41,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2233 transitions. [2023-11-29 02:16:41,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 744.3333333333334) internal successors, (2233), 3 states have internal predecessors, (2233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:41,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:41,215 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:41,215 INFO L175 Difference]: Start difference. First operand has 704 places, 712 transitions, 1444 flow. Second operand 3 states and 2233 transitions. [2023-11-29 02:16:41,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 705 places, 711 transitions, 1480 flow [2023-11-29 02:16:41,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 703 places, 711 transitions, 1476 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:16:41,228 INFO L231 Difference]: Finished difference. Result has 703 places, 711 transitions, 1442 flow [2023-11-29 02:16:41,229 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1438, PETRI_DIFFERENCE_MINUEND_PLACES=701, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=711, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=709, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1442, PETRI_PLACES=703, PETRI_TRANSITIONS=711} [2023-11-29 02:16:41,230 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -78 predicate places. [2023-11-29 02:16:41,230 INFO L495 AbstractCegarLoop]: Abstraction has has 703 places, 711 transitions, 1442 flow [2023-11-29 02:16:41,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 739.3333333333334) internal successors, (2218), 3 states have internal predecessors, (2218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:41,231 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:16:41,232 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] [2023-11-29 02:16:41,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 02:16:41,232 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:16:41,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:41,233 INFO L85 PathProgramCache]: Analyzing trace with hash -2013180795, now seen corresponding path program 1 times [2023-11-29 02:16:41,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:16:41,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504018857] [2023-11-29 02:16:41,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:41,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:16:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:41,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:16:41,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:16:41,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504018857] [2023-11-29 02:16:41,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504018857] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:41,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:41,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:16:41,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079829624] [2023-11-29 02:16:41,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:41,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:16:41,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:16:41,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:16:41,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:16:41,336 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 736 out of 837 [2023-11-29 02:16:41,339 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 703 places, 711 transitions, 1442 flow. Second operand has 3 states, 3 states have (on average 737.3333333333334) internal successors, (2212), 3 states have internal predecessors, (2212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:41,340 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:16:41,340 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 736 of 837 [2023-11-29 02:16:41,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:16:41,721 INFO L124 PetriNetUnfolderBase]: 124/1232 cut-off events. [2023-11-29 02:16:41,722 INFO L125 PetriNetUnfolderBase]: For 50/55 co-relation queries the response was YES. [2023-11-29 02:16:41,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1467 conditions, 1232 events. 124/1232 cut-off events. For 50/55 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 4997 event pairs, 71 based on Foata normal form. 0/1030 useless extension candidates. Maximal degree in co-relation 1376. Up to 177 conditions per place. [2023-11-29 02:16:41,740 INFO L140 encePairwiseOnDemand]: 834/837 looper letters, 19 selfloop transitions, 2 changer transitions 0/710 dead transitions. [2023-11-29 02:16:41,740 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 704 places, 710 transitions, 1482 flow [2023-11-29 02:16:41,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:16:41,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:16:41,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2229 transitions. [2023-11-29 02:16:41,746 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8876941457586619 [2023-11-29 02:16:41,746 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2229 transitions. [2023-11-29 02:16:41,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2229 transitions. [2023-11-29 02:16:41,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:16:41,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2229 transitions. [2023-11-29 02:16:41,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 743.0) internal successors, (2229), 3 states have internal predecessors, (2229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:41,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:41,759 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:41,759 INFO L175 Difference]: Start difference. First operand has 703 places, 711 transitions, 1442 flow. Second operand 3 states and 2229 transitions. [2023-11-29 02:16:41,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 704 places, 710 transitions, 1482 flow [2023-11-29 02:16:41,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 702 places, 710 transitions, 1478 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:16:41,775 INFO L231 Difference]: Finished difference. Result has 702 places, 710 transitions, 1440 flow [2023-11-29 02:16:41,776 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1436, PETRI_DIFFERENCE_MINUEND_PLACES=700, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=710, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=708, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1440, PETRI_PLACES=702, PETRI_TRANSITIONS=710} [2023-11-29 02:16:41,777 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -79 predicate places. [2023-11-29 02:16:41,777 INFO L495 AbstractCegarLoop]: Abstraction has has 702 places, 710 transitions, 1440 flow [2023-11-29 02:16:41,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 737.3333333333334) internal successors, (2212), 3 states have internal predecessors, (2212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:41,778 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:16:41,779 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] [2023-11-29 02:16:41,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 02:16:41,779 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:16:41,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:41,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1243249139, now seen corresponding path program 1 times [2023-11-29 02:16:41,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:16:41,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444199008] [2023-11-29 02:16:41,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:41,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:16:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:41,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:16:41,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:16:41,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444199008] [2023-11-29 02:16:41,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444199008] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:41,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:41,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:16:41,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331439423] [2023-11-29 02:16:41,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:41,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:16:41,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:16:41,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:16:41,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:16:41,856 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 735 out of 837 [2023-11-29 02:16:41,858 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 702 places, 710 transitions, 1440 flow. Second operand has 3 states, 3 states have (on average 736.3333333333334) internal successors, (2209), 3 states have internal predecessors, (2209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:41,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:16:41,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 735 of 837 [2023-11-29 02:16:41,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:16:42,211 INFO L124 PetriNetUnfolderBase]: 103/1183 cut-off events. [2023-11-29 02:16:42,211 INFO L125 PetriNetUnfolderBase]: For 44/49 co-relation queries the response was YES. [2023-11-29 02:16:42,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1375 conditions, 1183 events. 103/1183 cut-off events. For 44/49 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4889 event pairs, 53 based on Foata normal form. 0/1008 useless extension candidates. Maximal degree in co-relation 1276. Up to 145 conditions per place. [2023-11-29 02:16:42,228 INFO L140 encePairwiseOnDemand]: 834/837 looper letters, 20 selfloop transitions, 2 changer transitions 0/709 dead transitions. [2023-11-29 02:16:42,228 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 703 places, 709 transitions, 1482 flow [2023-11-29 02:16:42,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:16:42,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:16:42,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2227 transitions. [2023-11-29 02:16:42,235 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8868976503385105 [2023-11-29 02:16:42,235 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2227 transitions. [2023-11-29 02:16:42,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2227 transitions. [2023-11-29 02:16:42,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:16:42,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2227 transitions. [2023-11-29 02:16:42,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 742.3333333333334) internal successors, (2227), 3 states have internal predecessors, (2227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:42,246 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:42,247 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:42,247 INFO L175 Difference]: Start difference. First operand has 702 places, 710 transitions, 1440 flow. Second operand 3 states and 2227 transitions. [2023-11-29 02:16:42,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 703 places, 709 transitions, 1482 flow [2023-11-29 02:16:42,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 701 places, 709 transitions, 1478 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:16:42,262 INFO L231 Difference]: Finished difference. Result has 701 places, 709 transitions, 1438 flow [2023-11-29 02:16:42,264 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1434, PETRI_DIFFERENCE_MINUEND_PLACES=699, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=709, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=707, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1438, PETRI_PLACES=701, PETRI_TRANSITIONS=709} [2023-11-29 02:16:42,264 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -80 predicate places. [2023-11-29 02:16:42,265 INFO L495 AbstractCegarLoop]: Abstraction has has 701 places, 709 transitions, 1438 flow [2023-11-29 02:16:42,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 736.3333333333334) internal successors, (2209), 3 states have internal predecessors, (2209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:42,265 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:16:42,265 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] [2023-11-29 02:16:42,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 02:16:42,266 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:16:42,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:42,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1882202231, now seen corresponding path program 1 times [2023-11-29 02:16:42,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:16:42,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711011460] [2023-11-29 02:16:42,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:42,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:16:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:42,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:16:42,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:16:42,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711011460] [2023-11-29 02:16:42,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711011460] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:42,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:42,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:16:42,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097715866] [2023-11-29 02:16:42,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:42,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:16:42,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:16:42,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:16:42,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:16:42,324 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 738 out of 837 [2023-11-29 02:16:42,326 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 701 places, 709 transitions, 1438 flow. Second operand has 3 states, 3 states have (on average 739.3333333333334) internal successors, (2218), 3 states have internal predecessors, (2218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:42,326 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:16:42,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 738 of 837 [2023-11-29 02:16:42,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:16:42,670 INFO L124 PetriNetUnfolderBase]: 103/1182 cut-off events. [2023-11-29 02:16:42,671 INFO L125 PetriNetUnfolderBase]: For 44/49 co-relation queries the response was YES. [2023-11-29 02:16:42,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1371 conditions, 1182 events. 103/1182 cut-off events. For 44/49 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4678 event pairs, 53 based on Foata normal form. 0/998 useless extension candidates. Maximal degree in co-relation 1264. Up to 142 conditions per place. [2023-11-29 02:16:42,684 INFO L140 encePairwiseOnDemand]: 834/837 looper letters, 17 selfloop transitions, 2 changer transitions 0/708 dead transitions. [2023-11-29 02:16:42,684 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 702 places, 708 transitions, 1474 flow [2023-11-29 02:16:42,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:16:42,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:16:42,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2233 transitions. [2023-11-29 02:16:42,691 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8892871365989645 [2023-11-29 02:16:42,691 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2233 transitions. [2023-11-29 02:16:42,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2233 transitions. [2023-11-29 02:16:42,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:16:42,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2233 transitions. [2023-11-29 02:16:42,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 744.3333333333334) internal successors, (2233), 3 states have internal predecessors, (2233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:42,702 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:42,703 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:42,704 INFO L175 Difference]: Start difference. First operand has 701 places, 709 transitions, 1438 flow. Second operand 3 states and 2233 transitions. [2023-11-29 02:16:42,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 702 places, 708 transitions, 1474 flow [2023-11-29 02:16:42,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 700 places, 708 transitions, 1470 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:16:42,738 INFO L231 Difference]: Finished difference. Result has 700 places, 708 transitions, 1436 flow [2023-11-29 02:16:42,739 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1432, PETRI_DIFFERENCE_MINUEND_PLACES=698, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=708, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=706, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1436, PETRI_PLACES=700, PETRI_TRANSITIONS=708} [2023-11-29 02:16:42,740 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -81 predicate places. [2023-11-29 02:16:42,740 INFO L495 AbstractCegarLoop]: Abstraction has has 700 places, 708 transitions, 1436 flow [2023-11-29 02:16:42,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 739.3333333333334) internal successors, (2218), 3 states have internal predecessors, (2218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:42,741 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:16:42,741 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:16:42,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 02:16:42,742 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:16:42,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:42,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1510787943, now seen corresponding path program 1 times [2023-11-29 02:16:42,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:16:42,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069691422] [2023-11-29 02:16:42,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:42,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:16:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:42,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:16:42,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:16:42,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069691422] [2023-11-29 02:16:42,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069691422] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:42,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:42,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:16:42,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899225804] [2023-11-29 02:16:42,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:42,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:16:42,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:16:42,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:16:42,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:16:42,800 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 740 out of 837 [2023-11-29 02:16:42,802 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 700 places, 708 transitions, 1436 flow. Second operand has 3 states, 3 states have (on average 741.0) internal successors, (2223), 3 states have internal predecessors, (2223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:42,802 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:16:42,802 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 740 of 837 [2023-11-29 02:16:42,802 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:16:43,788 INFO L124 PetriNetUnfolderBase]: 228/4467 cut-off events. [2023-11-29 02:16:43,788 INFO L125 PetriNetUnfolderBase]: For 64/69 co-relation queries the response was YES. [2023-11-29 02:16:43,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4736 conditions, 4467 events. 228/4467 cut-off events. For 64/69 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 32694 event pairs, 79 based on Foata normal form. 0/3585 useless extension candidates. Maximal degree in co-relation 4621. Up to 214 conditions per place. [2023-11-29 02:16:43,820 INFO L140 encePairwiseOnDemand]: 834/837 looper letters, 16 selfloop transitions, 1 changer transitions 0/706 dead transitions. [2023-11-29 02:16:43,820 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 700 places, 706 transitions, 1466 flow [2023-11-29 02:16:43,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:16:43,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:16:43,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2238 transitions. [2023-11-29 02:16:43,826 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8912783751493429 [2023-11-29 02:16:43,826 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2238 transitions. [2023-11-29 02:16:43,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2238 transitions. [2023-11-29 02:16:43,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:16:43,827 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2238 transitions. [2023-11-29 02:16:43,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 746.0) internal successors, (2238), 3 states have internal predecessors, (2238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:43,836 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:43,837 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:43,837 INFO L175 Difference]: Start difference. First operand has 700 places, 708 transitions, 1436 flow. Second operand 3 states and 2238 transitions. [2023-11-29 02:16:43,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 700 places, 706 transitions, 1466 flow [2023-11-29 02:16:43,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 698 places, 706 transitions, 1462 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:16:43,852 INFO L231 Difference]: Finished difference. Result has 698 places, 706 transitions, 1430 flow [2023-11-29 02:16:43,853 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1428, PETRI_DIFFERENCE_MINUEND_PLACES=696, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=706, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=705, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1430, PETRI_PLACES=698, PETRI_TRANSITIONS=706} [2023-11-29 02:16:43,854 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -83 predicate places. [2023-11-29 02:16:43,854 INFO L495 AbstractCegarLoop]: Abstraction has has 698 places, 706 transitions, 1430 flow [2023-11-29 02:16:43,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 741.0) internal successors, (2223), 3 states have internal predecessors, (2223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:43,855 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:16:43,855 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] [2023-11-29 02:16:43,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 02:16:43,855 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:16:43,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:43,856 INFO L85 PathProgramCache]: Analyzing trace with hash 907516219, now seen corresponding path program 1 times [2023-11-29 02:16:43,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:16:43,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351003871] [2023-11-29 02:16:43,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:43,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:16:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:44,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:16:44,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:16:44,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351003871] [2023-11-29 02:16:44,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351003871] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:44,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:44,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:16:44,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458710719] [2023-11-29 02:16:44,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:44,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:16:44,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:16:44,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:16:44,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:16:45,168 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 645 out of 837 [2023-11-29 02:16:45,172 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 698 places, 706 transitions, 1430 flow. Second operand has 6 states, 6 states have (on average 646.5) internal successors, (3879), 6 states have internal predecessors, (3879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:45,172 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:16:45,172 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 645 of 837 [2023-11-29 02:16:45,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:16:55,935 INFO L124 PetriNetUnfolderBase]: 12355/45848 cut-off events. [2023-11-29 02:16:55,935 INFO L125 PetriNetUnfolderBase]: For 2358/2358 co-relation queries the response was YES. [2023-11-29 02:16:56,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64158 conditions, 45848 events. 12355/45848 cut-off events. For 2358/2358 co-relation queries the response was YES. Maximal size of possible extension queue 623. Compared 544999 event pairs, 9813 based on Foata normal form. 0/38253 useless extension candidates. Maximal degree in co-relation 64044. Up to 16154 conditions per place. [2023-11-29 02:16:56,236 INFO L140 encePairwiseOnDemand]: 813/837 looper letters, 90 selfloop transitions, 20 changer transitions 0/702 dead transitions. [2023-11-29 02:16:56,236 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 699 places, 702 transitions, 1642 flow [2023-11-29 02:16:56,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:16:56,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:16:56,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3983 transitions. [2023-11-29 02:16:56,245 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7931103146156909 [2023-11-29 02:16:56,246 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3983 transitions. [2023-11-29 02:16:56,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3983 transitions. [2023-11-29 02:16:56,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:16:56,248 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3983 transitions. [2023-11-29 02:16:56,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 663.8333333333334) internal successors, (3983), 6 states have internal predecessors, (3983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:56,261 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 837.0) internal successors, (5859), 7 states have internal predecessors, (5859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:56,261 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 837.0) internal successors, (5859), 7 states have internal predecessors, (5859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:56,261 INFO L175 Difference]: Start difference. First operand has 698 places, 706 transitions, 1430 flow. Second operand 6 states and 3983 transitions. [2023-11-29 02:16:56,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 699 places, 702 transitions, 1642 flow [2023-11-29 02:16:56,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 698 places, 702 transitions, 1641 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 02:16:56,276 INFO L231 Difference]: Finished difference. Result has 698 places, 702 transitions, 1461 flow [2023-11-29 02:16:56,278 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1421, PETRI_DIFFERENCE_MINUEND_PLACES=693, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=702, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=682, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1461, PETRI_PLACES=698, PETRI_TRANSITIONS=702} [2023-11-29 02:16:56,278 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -83 predicate places. [2023-11-29 02:16:56,278 INFO L495 AbstractCegarLoop]: Abstraction has has 698 places, 702 transitions, 1461 flow [2023-11-29 02:16:56,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 646.5) internal successors, (3879), 6 states have internal predecessors, (3879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:56,279 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:16:56,279 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] [2023-11-29 02:16:56,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 02:16:56,280 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:16:56,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:56,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1764169319, now seen corresponding path program 1 times [2023-11-29 02:16:56,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:16:56,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649701963] [2023-11-29 02:16:56,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:56,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:16:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:56,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:16:56,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:16:56,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649701963] [2023-11-29 02:16:56,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649701963] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:56,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:56,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:16:56,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865050954] [2023-11-29 02:16:56,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:56,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:16:56,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:16:56,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:16:56,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:16:56,364 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 737 out of 837 [2023-11-29 02:16:56,366 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 698 places, 702 transitions, 1461 flow. Second operand has 3 states, 3 states have (on average 738.3333333333334) internal successors, (2215), 3 states have internal predecessors, (2215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:56,366 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:16:56,367 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 737 of 837 [2023-11-29 02:16:56,367 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:16:56,812 INFO L124 PetriNetUnfolderBase]: 181/1519 cut-off events. [2023-11-29 02:16:56,812 INFO L125 PetriNetUnfolderBase]: For 80/85 co-relation queries the response was YES. [2023-11-29 02:16:56,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1854 conditions, 1519 events. 181/1519 cut-off events. For 80/85 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 7497 event pairs, 105 based on Foata normal form. 0/1277 useless extension candidates. Maximal degree in co-relation 1790. Up to 253 conditions per place. [2023-11-29 02:16:56,825 INFO L140 encePairwiseOnDemand]: 834/837 looper letters, 18 selfloop transitions, 2 changer transitions 0/701 dead transitions. [2023-11-29 02:16:56,825 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 699 places, 701 transitions, 1499 flow [2023-11-29 02:16:56,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:16:56,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:16:56,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2231 transitions. [2023-11-29 02:16:56,830 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8884906411788133 [2023-11-29 02:16:56,830 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2231 transitions. [2023-11-29 02:16:56,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2231 transitions. [2023-11-29 02:16:56,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:16:56,831 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2231 transitions. [2023-11-29 02:16:56,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 743.6666666666666) internal successors, (2231), 3 states have internal predecessors, (2231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:56,837 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:56,838 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:56,838 INFO L175 Difference]: Start difference. First operand has 698 places, 702 transitions, 1461 flow. Second operand 3 states and 2231 transitions. [2023-11-29 02:16:56,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 699 places, 701 transitions, 1499 flow [2023-11-29 02:16:56,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 694 places, 701 transitions, 1459 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:16:56,850 INFO L231 Difference]: Finished difference. Result has 694 places, 701 transitions, 1423 flow [2023-11-29 02:16:56,852 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1419, PETRI_DIFFERENCE_MINUEND_PLACES=692, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=701, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=699, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1423, PETRI_PLACES=694, PETRI_TRANSITIONS=701} [2023-11-29 02:16:56,852 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -87 predicate places. [2023-11-29 02:16:56,852 INFO L495 AbstractCegarLoop]: Abstraction has has 694 places, 701 transitions, 1423 flow [2023-11-29 02:16:56,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 738.3333333333334) internal successors, (2215), 3 states have internal predecessors, (2215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:56,853 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:16:56,853 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] [2023-11-29 02:16:56,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 02:16:56,854 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:16:56,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:56,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1104606274, now seen corresponding path program 1 times [2023-11-29 02:16:56,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:16:56,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947927848] [2023-11-29 02:16:56,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:56,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:16:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:56,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:16:56,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:16:56,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947927848] [2023-11-29 02:16:56,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947927848] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:56,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:56,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:16:56,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710107775] [2023-11-29 02:16:56,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:56,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:16:56,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:16:56,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:16:56,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:16:56,935 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 734 out of 837 [2023-11-29 02:16:56,937 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 694 places, 701 transitions, 1423 flow. Second operand has 3 states, 3 states have (on average 735.0) internal successors, (2205), 3 states have internal predecessors, (2205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:56,938 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:16:56,938 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 734 of 837 [2023-11-29 02:16:56,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:16:58,607 INFO L124 PetriNetUnfolderBase]: 336/6254 cut-off events. [2023-11-29 02:16:58,607 INFO L125 PetriNetUnfolderBase]: For 80/85 co-relation queries the response was YES. [2023-11-29 02:16:58,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6662 conditions, 6254 events. 336/6254 cut-off events. For 80/85 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 51840 event pairs, 129 based on Foata normal form. 0/5023 useless extension candidates. Maximal degree in co-relation 6547. Up to 326 conditions per place. [2023-11-29 02:16:58,665 INFO L140 encePairwiseOnDemand]: 832/837 looper letters, 20 selfloop transitions, 1 changer transitions 0/697 dead transitions. [2023-11-29 02:16:58,665 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 692 places, 697 transitions, 1457 flow [2023-11-29 02:16:58,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:16:58,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:16:58,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2226 transitions. [2023-11-29 02:16:58,670 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8864994026284349 [2023-11-29 02:16:58,670 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2226 transitions. [2023-11-29 02:16:58,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2226 transitions. [2023-11-29 02:16:58,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:16:58,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2226 transitions. [2023-11-29 02:16:58,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 742.0) internal successors, (2226), 3 states have internal predecessors, (2226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:58,677 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:58,678 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:58,678 INFO L175 Difference]: Start difference. First operand has 694 places, 701 transitions, 1423 flow. Second operand 3 states and 2226 transitions. [2023-11-29 02:16:58,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 692 places, 697 transitions, 1457 flow [2023-11-29 02:16:58,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 690 places, 697 transitions, 1453 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:16:58,690 INFO L231 Difference]: Finished difference. Result has 690 places, 697 transitions, 1413 flow [2023-11-29 02:16:58,690 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1411, PETRI_DIFFERENCE_MINUEND_PLACES=688, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=697, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=696, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1413, PETRI_PLACES=690, PETRI_TRANSITIONS=697} [2023-11-29 02:16:58,691 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -91 predicate places. [2023-11-29 02:16:58,691 INFO L495 AbstractCegarLoop]: Abstraction has has 690 places, 697 transitions, 1413 flow [2023-11-29 02:16:58,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 735.0) internal successors, (2205), 3 states have internal predecessors, (2205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:58,691 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:16:58,692 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, 1, 1, 1, 1] [2023-11-29 02:16:58,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 02:16:58,692 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:16:58,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:58,692 INFO L85 PathProgramCache]: Analyzing trace with hash 525315813, now seen corresponding path program 1 times [2023-11-29 02:16:58,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:16:58,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392125415] [2023-11-29 02:16:58,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:58,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:16:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:58,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:16:58,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:16:58,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392125415] [2023-11-29 02:16:58,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392125415] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:58,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:58,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:16:58,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308083846] [2023-11-29 02:16:58,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:58,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:16:58,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:16:58,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:16:58,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:16:58,787 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 738 out of 837 [2023-11-29 02:16:58,790 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 690 places, 697 transitions, 1413 flow. Second operand has 3 states, 3 states have (on average 739.3333333333334) internal successors, (2218), 3 states have internal predecessors, (2218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:58,790 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:16:58,790 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 738 of 837 [2023-11-29 02:16:58,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:16:59,144 INFO L124 PetriNetUnfolderBase]: 124/1213 cut-off events. [2023-11-29 02:16:59,144 INFO L125 PetriNetUnfolderBase]: For 50/55 co-relation queries the response was YES. [2023-11-29 02:16:59,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1446 conditions, 1213 events. 124/1213 cut-off events. For 50/55 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4920 event pairs, 71 based on Foata normal form. 0/1030 useless extension candidates. Maximal degree in co-relation 1331. Up to 175 conditions per place. [2023-11-29 02:16:59,155 INFO L140 encePairwiseOnDemand]: 834/837 looper letters, 17 selfloop transitions, 2 changer transitions 0/696 dead transitions. [2023-11-29 02:16:59,155 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 691 places, 696 transitions, 1449 flow [2023-11-29 02:16:59,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:16:59,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:16:59,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2233 transitions. [2023-11-29 02:16:59,161 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8892871365989645 [2023-11-29 02:16:59,161 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2233 transitions. [2023-11-29 02:16:59,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2233 transitions. [2023-11-29 02:16:59,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:16:59,161 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2233 transitions. [2023-11-29 02:16:59,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 744.3333333333334) internal successors, (2233), 3 states have internal predecessors, (2233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:59,167 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:59,168 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:59,168 INFO L175 Difference]: Start difference. First operand has 690 places, 697 transitions, 1413 flow. Second operand 3 states and 2233 transitions. [2023-11-29 02:16:59,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 691 places, 696 transitions, 1449 flow [2023-11-29 02:16:59,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 690 places, 696 transitions, 1448 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 02:16:59,180 INFO L231 Difference]: Finished difference. Result has 690 places, 696 transitions, 1414 flow [2023-11-29 02:16:59,180 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1410, PETRI_DIFFERENCE_MINUEND_PLACES=688, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=696, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=694, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1414, PETRI_PLACES=690, PETRI_TRANSITIONS=696} [2023-11-29 02:16:59,181 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -91 predicate places. [2023-11-29 02:16:59,181 INFO L495 AbstractCegarLoop]: Abstraction has has 690 places, 696 transitions, 1414 flow [2023-11-29 02:16:59,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 739.3333333333334) internal successors, (2218), 3 states have internal predecessors, (2218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:59,181 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:16:59,182 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:16:59,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 02:16:59,182 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:16:59,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:59,182 INFO L85 PathProgramCache]: Analyzing trace with hash -2073846853, now seen corresponding path program 1 times [2023-11-29 02:16:59,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:16:59,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150886810] [2023-11-29 02:16:59,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:59,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:16:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:59,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:16:59,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:16:59,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150886810] [2023-11-29 02:16:59,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150886810] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:59,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:59,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:16:59,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11061984] [2023-11-29 02:16:59,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:59,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:16:59,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:16:59,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:16:59,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:16:59,258 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 743 out of 837 [2023-11-29 02:16:59,261 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 690 places, 696 transitions, 1414 flow. Second operand has 3 states, 3 states have (on average 744.0) internal successors, (2232), 3 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:59,261 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:16:59,261 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 743 of 837 [2023-11-29 02:16:59,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:16:59,497 INFO L124 PetriNetUnfolderBase]: 64/993 cut-off events. [2023-11-29 02:16:59,497 INFO L125 PetriNetUnfolderBase]: For 26/31 co-relation queries the response was YES. [2023-11-29 02:16:59,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1117 conditions, 993 events. 64/993 cut-off events. For 26/31 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3269 event pairs, 27 based on Foata normal form. 0/869 useless extension candidates. Maximal degree in co-relation 1002. Up to 83 conditions per place. [2023-11-29 02:16:59,506 INFO L140 encePairwiseOnDemand]: 835/837 looper letters, 14 selfloop transitions, 1 changer transitions 0/695 dead transitions. [2023-11-29 02:16:59,506 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 691 places, 695 transitions, 1442 flow [2023-11-29 02:16:59,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:16:59,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:16:59,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2244 transitions. [2023-11-29 02:16:59,512 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8936678614097969 [2023-11-29 02:16:59,512 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2244 transitions. [2023-11-29 02:16:59,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2244 transitions. [2023-11-29 02:16:59,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:16:59,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2244 transitions. [2023-11-29 02:16:59,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 748.0) internal successors, (2244), 3 states have internal predecessors, (2244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:59,519 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:59,519 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:59,519 INFO L175 Difference]: Start difference. First operand has 690 places, 696 transitions, 1414 flow. Second operand 3 states and 2244 transitions. [2023-11-29 02:16:59,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 691 places, 695 transitions, 1442 flow [2023-11-29 02:16:59,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 689 places, 695 transitions, 1438 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:16:59,531 INFO L231 Difference]: Finished difference. Result has 689 places, 695 transitions, 1410 flow [2023-11-29 02:16:59,532 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1408, PETRI_DIFFERENCE_MINUEND_PLACES=687, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=695, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=694, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1410, PETRI_PLACES=689, PETRI_TRANSITIONS=695} [2023-11-29 02:16:59,533 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -92 predicate places. [2023-11-29 02:16:59,533 INFO L495 AbstractCegarLoop]: Abstraction has has 689 places, 695 transitions, 1410 flow [2023-11-29 02:16:59,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 744.0) internal successors, (2232), 3 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:59,533 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:16:59,533 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:16:59,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 02:16:59,534 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:16:59,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:59,534 INFO L85 PathProgramCache]: Analyzing trace with hash -106475963, now seen corresponding path program 1 times [2023-11-29 02:16:59,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:16:59,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140236521] [2023-11-29 02:16:59,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:59,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:16:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:16:59,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:16:59,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:16:59,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140236521] [2023-11-29 02:16:59,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140236521] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:16:59,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:16:59,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:16:59,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820649889] [2023-11-29 02:16:59,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:16:59,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:16:59,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:16:59,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:16:59,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:16:59,625 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 740 out of 837 [2023-11-29 02:16:59,628 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 689 places, 695 transitions, 1410 flow. Second operand has 3 states, 3 states have (on average 741.3333333333334) internal successors, (2224), 3 states have internal predecessors, (2224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:59,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:16:59,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 740 of 837 [2023-11-29 02:16:59,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:16:59,919 INFO L124 PetriNetUnfolderBase]: 64/992 cut-off events. [2023-11-29 02:16:59,919 INFO L125 PetriNetUnfolderBase]: For 26/31 co-relation queries the response was YES. [2023-11-29 02:16:59,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1117 conditions, 992 events. 64/992 cut-off events. For 26/31 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3278 event pairs, 27 based on Foata normal form. 0/869 useless extension candidates. Maximal degree in co-relation 1002. Up to 85 conditions per place. [2023-11-29 02:16:59,927 INFO L140 encePairwiseOnDemand]: 834/837 looper letters, 15 selfloop transitions, 2 changer transitions 0/694 dead transitions. [2023-11-29 02:16:59,928 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 690 places, 694 transitions, 1442 flow [2023-11-29 02:16:59,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:16:59,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:16:59,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2237 transitions. [2023-11-29 02:16:59,934 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8908801274392673 [2023-11-29 02:16:59,934 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2237 transitions. [2023-11-29 02:16:59,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2237 transitions. [2023-11-29 02:16:59,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:16:59,935 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2237 transitions. [2023-11-29 02:16:59,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 745.6666666666666) internal successors, (2237), 3 states have internal predecessors, (2237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:59,942 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:59,942 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:59,942 INFO L175 Difference]: Start difference. First operand has 689 places, 695 transitions, 1410 flow. Second operand 3 states and 2237 transitions. [2023-11-29 02:16:59,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 690 places, 694 transitions, 1442 flow [2023-11-29 02:16:59,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 689 places, 694 transitions, 1441 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 02:16:59,955 INFO L231 Difference]: Finished difference. Result has 689 places, 694 transitions, 1411 flow [2023-11-29 02:16:59,956 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1407, PETRI_DIFFERENCE_MINUEND_PLACES=687, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=694, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=692, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1411, PETRI_PLACES=689, PETRI_TRANSITIONS=694} [2023-11-29 02:16:59,956 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -92 predicate places. [2023-11-29 02:16:59,956 INFO L495 AbstractCegarLoop]: Abstraction has has 689 places, 694 transitions, 1411 flow [2023-11-29 02:16:59,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 741.3333333333334) internal successors, (2224), 3 states have internal predecessors, (2224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:16:59,957 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:16:59,957 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:16:59,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 02:16:59,957 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:16:59,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:16:59,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1131864643, now seen corresponding path program 1 times [2023-11-29 02:16:59,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:16:59,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156561421] [2023-11-29 02:16:59,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:16:59,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:16:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:00,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:17:00,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:17:00,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156561421] [2023-11-29 02:17:00,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156561421] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:00,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:00,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:17:00,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370367864] [2023-11-29 02:17:00,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:00,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:17:00,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:17:00,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:17:00,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:17:00,320 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 675 out of 837 [2023-11-29 02:17:00,322 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 689 places, 694 transitions, 1411 flow. Second operand has 3 states, 3 states have (on average 677.0) internal successors, (2031), 3 states have internal predecessors, (2031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:00,322 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:17:00,322 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 675 of 837 [2023-11-29 02:17:00,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:17:10,695 INFO L124 PetriNetUnfolderBase]: 12355/45664 cut-off events. [2023-11-29 02:17:10,695 INFO L125 PetriNetUnfolderBase]: For 2358/2358 co-relation queries the response was YES. [2023-11-29 02:17:10,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63951 conditions, 45664 events. 12355/45664 cut-off events. For 2358/2358 co-relation queries the response was YES. Maximal size of possible extension queue 623. Compared 542106 event pairs, 9813 based on Foata normal form. 0/38253 useless extension candidates. Maximal degree in co-relation 63837. Up to 16145 conditions per place. [2023-11-29 02:17:11,020 INFO L140 encePairwiseOnDemand]: 834/837 looper letters, 81 selfloop transitions, 2 changer transitions 0/693 dead transitions. [2023-11-29 02:17:11,020 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 690 places, 693 transitions, 1575 flow [2023-11-29 02:17:11,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:17:11,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:17:11,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2108 transitions. [2023-11-29 02:17:11,025 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8395061728395061 [2023-11-29 02:17:11,025 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2108 transitions. [2023-11-29 02:17:11,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2108 transitions. [2023-11-29 02:17:11,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:17:11,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2108 transitions. [2023-11-29 02:17:11,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 702.6666666666666) internal successors, (2108), 3 states have internal predecessors, (2108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:11,031 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:11,031 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:11,031 INFO L175 Difference]: Start difference. First operand has 689 places, 694 transitions, 1411 flow. Second operand 3 states and 2108 transitions. [2023-11-29 02:17:11,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 690 places, 693 transitions, 1575 flow [2023-11-29 02:17:11,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 688 places, 693 transitions, 1571 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:17:11,043 INFO L231 Difference]: Finished difference. Result has 688 places, 693 transitions, 1409 flow [2023-11-29 02:17:11,044 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1405, PETRI_DIFFERENCE_MINUEND_PLACES=686, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=693, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=691, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1409, PETRI_PLACES=688, PETRI_TRANSITIONS=693} [2023-11-29 02:17:11,045 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -93 predicate places. [2023-11-29 02:17:11,045 INFO L495 AbstractCegarLoop]: Abstraction has has 688 places, 693 transitions, 1409 flow [2023-11-29 02:17:11,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 677.0) internal successors, (2031), 3 states have internal predecessors, (2031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:11,045 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:17:11,046 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:17:11,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 02:17:11,046 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:17:11,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:11,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1271307002, now seen corresponding path program 1 times [2023-11-29 02:17:11,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:17:11,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188725772] [2023-11-29 02:17:11,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:11,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:17:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:11,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:17:11,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:17:11,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188725772] [2023-11-29 02:17:11,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188725772] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:11,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:11,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:17:11,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965289461] [2023-11-29 02:17:11,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:11,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:17:11,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:17:11,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:17:11,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:17:11,156 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 739 out of 837 [2023-11-29 02:17:11,158 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 688 places, 693 transitions, 1409 flow. Second operand has 3 states, 3 states have (on average 740.3333333333334) internal successors, (2221), 3 states have internal predecessors, (2221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:11,159 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:17:11,159 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 739 of 837 [2023-11-29 02:17:11,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:17:11,491 INFO L124 PetriNetUnfolderBase]: 103/1161 cut-off events. [2023-11-29 02:17:11,492 INFO L125 PetriNetUnfolderBase]: For 44/49 co-relation queries the response was YES. [2023-11-29 02:17:11,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1352 conditions, 1161 events. 103/1161 cut-off events. For 44/49 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4293 event pairs, 53 based on Foata normal form. 0/998 useless extension candidates. Maximal degree in co-relation 1339. Up to 141 conditions per place. [2023-11-29 02:17:11,502 INFO L140 encePairwiseOnDemand]: 834/837 looper letters, 16 selfloop transitions, 2 changer transitions 0/692 dead transitions. [2023-11-29 02:17:11,502 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 689 places, 692 transitions, 1443 flow [2023-11-29 02:17:11,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:17:11,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:17:11,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2235 transitions. [2023-11-29 02:17:11,507 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8900836320191159 [2023-11-29 02:17:11,507 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2235 transitions. [2023-11-29 02:17:11,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2235 transitions. [2023-11-29 02:17:11,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:17:11,507 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2235 transitions. [2023-11-29 02:17:11,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 745.0) internal successors, (2235), 3 states have internal predecessors, (2235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:11,511 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:11,511 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:11,511 INFO L175 Difference]: Start difference. First operand has 688 places, 693 transitions, 1409 flow. Second operand 3 states and 2235 transitions. [2023-11-29 02:17:11,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 689 places, 692 transitions, 1443 flow [2023-11-29 02:17:11,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 687 places, 692 transitions, 1439 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:17:11,522 INFO L231 Difference]: Finished difference. Result has 687 places, 692 transitions, 1407 flow [2023-11-29 02:17:11,523 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1403, PETRI_DIFFERENCE_MINUEND_PLACES=685, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=692, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=690, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1407, PETRI_PLACES=687, PETRI_TRANSITIONS=692} [2023-11-29 02:17:11,523 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -94 predicate places. [2023-11-29 02:17:11,523 INFO L495 AbstractCegarLoop]: Abstraction has has 687 places, 692 transitions, 1407 flow [2023-11-29 02:17:11,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 740.3333333333334) internal successors, (2221), 3 states have internal predecessors, (2221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:11,523 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:17:11,524 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:17:11,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 02:17:11,524 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:17:11,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:11,524 INFO L85 PathProgramCache]: Analyzing trace with hash -2070875144, now seen corresponding path program 1 times [2023-11-29 02:17:11,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:17:11,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340645342] [2023-11-29 02:17:11,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:11,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:17:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:11,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:17:11,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:17:11,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340645342] [2023-11-29 02:17:11,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340645342] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:11,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:11,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:17:11,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288715627] [2023-11-29 02:17:11,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:11,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:17:11,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:17:11,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:17:11,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:17:11,638 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 731 out of 837 [2023-11-29 02:17:11,640 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 687 places, 692 transitions, 1407 flow. Second operand has 3 states, 3 states have (on average 732.0) internal successors, (2196), 3 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:11,640 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:17:11,640 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 731 of 837 [2023-11-29 02:17:11,640 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:17:12,560 INFO L124 PetriNetUnfolderBase]: 228/4409 cut-off events. [2023-11-29 02:17:12,560 INFO L125 PetriNetUnfolderBase]: For 64/69 co-relation queries the response was YES. [2023-11-29 02:17:12,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4687 conditions, 4409 events. 228/4409 cut-off events. For 64/69 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 32655 event pairs, 79 based on Foata normal form. 0/3589 useless extension candidates. Maximal degree in co-relation 4572. Up to 220 conditions per place. [2023-11-29 02:17:12,594 INFO L140 encePairwiseOnDemand]: 831/837 looper letters, 22 selfloop transitions, 1 changer transitions 0/687 dead transitions. [2023-11-29 02:17:12,594 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 684 places, 687 transitions, 1443 flow [2023-11-29 02:17:12,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:17:12,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:17:12,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2220 transitions. [2023-11-29 02:17:12,600 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8841099163679809 [2023-11-29 02:17:12,600 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2220 transitions. [2023-11-29 02:17:12,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2220 transitions. [2023-11-29 02:17:12,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:17:12,601 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2220 transitions. [2023-11-29 02:17:12,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 740.0) internal successors, (2220), 3 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:12,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:12,605 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:12,605 INFO L175 Difference]: Start difference. First operand has 687 places, 692 transitions, 1407 flow. Second operand 3 states and 2220 transitions. [2023-11-29 02:17:12,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 684 places, 687 transitions, 1443 flow [2023-11-29 02:17:12,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 682 places, 687 transitions, 1439 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:17:12,615 INFO L231 Difference]: Finished difference. Result has 682 places, 687 transitions, 1395 flow [2023-11-29 02:17:12,616 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1393, PETRI_DIFFERENCE_MINUEND_PLACES=680, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=687, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=686, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1395, PETRI_PLACES=682, PETRI_TRANSITIONS=687} [2023-11-29 02:17:12,616 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -99 predicate places. [2023-11-29 02:17:12,616 INFO L495 AbstractCegarLoop]: Abstraction has has 682 places, 687 transitions, 1395 flow [2023-11-29 02:17:12,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 732.0) internal successors, (2196), 3 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:12,617 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:17:12,617 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:17:12,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 02:17:12,617 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:17:12,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:12,618 INFO L85 PathProgramCache]: Analyzing trace with hash 290834264, now seen corresponding path program 1 times [2023-11-29 02:17:12,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:17:12,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791038026] [2023-11-29 02:17:12,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:12,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:17:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:12,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:17:12,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:17:12,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791038026] [2023-11-29 02:17:12,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791038026] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:12,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:12,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:17:12,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150480824] [2023-11-29 02:17:12,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:12,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:17:12,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:17:12,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:17:12,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:17:12,719 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 738 out of 837 [2023-11-29 02:17:12,720 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 682 places, 687 transitions, 1395 flow. Second operand has 3 states, 3 states have (on average 739.3333333333334) internal successors, (2218), 3 states have internal predecessors, (2218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:12,721 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:17:12,721 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 738 of 837 [2023-11-29 02:17:12,721 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:17:13,012 INFO L124 PetriNetUnfolderBase]: 103/1155 cut-off events. [2023-11-29 02:17:13,012 INFO L125 PetriNetUnfolderBase]: For 44/49 co-relation queries the response was YES. [2023-11-29 02:17:13,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1346 conditions, 1155 events. 103/1155 cut-off events. For 44/49 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4508 event pairs, 53 based on Foata normal form. 0/998 useless extension candidates. Maximal degree in co-relation 1231. Up to 142 conditions per place. [2023-11-29 02:17:13,023 INFO L140 encePairwiseOnDemand]: 834/837 looper letters, 17 selfloop transitions, 2 changer transitions 0/686 dead transitions. [2023-11-29 02:17:13,023 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 683 places, 686 transitions, 1431 flow [2023-11-29 02:17:13,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:17:13,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:17:13,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2233 transitions. [2023-11-29 02:17:13,029 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8892871365989645 [2023-11-29 02:17:13,029 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2233 transitions. [2023-11-29 02:17:13,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2233 transitions. [2023-11-29 02:17:13,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:17:13,030 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2233 transitions. [2023-11-29 02:17:13,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 744.3333333333334) internal successors, (2233), 3 states have internal predecessors, (2233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:13,033 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:13,034 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:13,034 INFO L175 Difference]: Start difference. First operand has 682 places, 687 transitions, 1395 flow. Second operand 3 states and 2233 transitions. [2023-11-29 02:17:13,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 683 places, 686 transitions, 1431 flow [2023-11-29 02:17:13,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 682 places, 686 transitions, 1430 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 02:17:13,044 INFO L231 Difference]: Finished difference. Result has 682 places, 686 transitions, 1396 flow [2023-11-29 02:17:13,044 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1392, PETRI_DIFFERENCE_MINUEND_PLACES=680, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=686, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=684, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1396, PETRI_PLACES=682, PETRI_TRANSITIONS=686} [2023-11-29 02:17:13,045 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -99 predicate places. [2023-11-29 02:17:13,045 INFO L495 AbstractCegarLoop]: Abstraction has has 682 places, 686 transitions, 1396 flow [2023-11-29 02:17:13,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 739.3333333333334) internal successors, (2218), 3 states have internal predecessors, (2218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:13,045 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:17:13,046 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:17:13,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 02:17:13,046 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:17:13,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:13,046 INFO L85 PathProgramCache]: Analyzing trace with hash 387302103, now seen corresponding path program 1 times [2023-11-29 02:17:13,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:17:13,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438655220] [2023-11-29 02:17:13,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:13,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:17:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:13,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:17:13,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:17:13,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438655220] [2023-11-29 02:17:13,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438655220] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:13,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:13,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:17:13,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744421889] [2023-11-29 02:17:13,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:13,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:17:13,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:17:13,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:17:13,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:17:13,142 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 740 out of 837 [2023-11-29 02:17:13,144 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 682 places, 686 transitions, 1396 flow. Second operand has 3 states, 3 states have (on average 741.0) internal successors, (2223), 3 states have internal predecessors, (2223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:13,144 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:17:13,144 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 740 of 837 [2023-11-29 02:17:13,144 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:17:14,218 INFO L124 PetriNetUnfolderBase]: 267/4691 cut-off events. [2023-11-29 02:17:14,219 INFO L125 PetriNetUnfolderBase]: For 78/85 co-relation queries the response was YES. [2023-11-29 02:17:14,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5030 conditions, 4691 events. 267/4691 cut-off events. For 78/85 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 33984 event pairs, 40 based on Foata normal form. 0/3849 useless extension candidates. Maximal degree in co-relation 4916. Up to 227 conditions per place. [2023-11-29 02:17:14,251 INFO L140 encePairwiseOnDemand]: 832/837 looper letters, 26 selfloop transitions, 3 changer transitions 0/696 dead transitions. [2023-11-29 02:17:14,251 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 682 places, 696 transitions, 1482 flow [2023-11-29 02:17:14,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:17:14,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:17:14,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2250 transitions. [2023-11-29 02:17:14,257 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8960573476702509 [2023-11-29 02:17:14,258 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2250 transitions. [2023-11-29 02:17:14,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2250 transitions. [2023-11-29 02:17:14,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:17:14,259 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2250 transitions. [2023-11-29 02:17:14,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 750.0) internal successors, (2250), 3 states have internal predecessors, (2250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:14,263 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:14,263 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:14,263 INFO L175 Difference]: Start difference. First operand has 682 places, 686 transitions, 1396 flow. Second operand 3 states and 2250 transitions. [2023-11-29 02:17:14,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 682 places, 696 transitions, 1482 flow [2023-11-29 02:17:14,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 680 places, 696 transitions, 1478 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:17:14,272 INFO L231 Difference]: Finished difference. Result has 681 places, 687 transitions, 1411 flow [2023-11-29 02:17:14,273 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1388, PETRI_DIFFERENCE_MINUEND_PLACES=678, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=684, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=681, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1411, PETRI_PLACES=681, PETRI_TRANSITIONS=687} [2023-11-29 02:17:14,273 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -100 predicate places. [2023-11-29 02:17:14,273 INFO L495 AbstractCegarLoop]: Abstraction has has 681 places, 687 transitions, 1411 flow [2023-11-29 02:17:14,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 741.0) internal successors, (2223), 3 states have internal predecessors, (2223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:14,274 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:17:14,274 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:17:14,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 02:17:14,275 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:17:14,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:14,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1464761879, now seen corresponding path program 1 times [2023-11-29 02:17:14,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:17:14,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470554349] [2023-11-29 02:17:14,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:14,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:17:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:14,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:17:14,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:17:14,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470554349] [2023-11-29 02:17:14,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470554349] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:14,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:14,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:17:14,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916248268] [2023-11-29 02:17:14,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:14,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:17:14,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:17:14,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:17:14,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:17:14,351 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 740 out of 837 [2023-11-29 02:17:14,353 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 681 places, 687 transitions, 1411 flow. Second operand has 3 states, 3 states have (on average 741.0) internal successors, (2223), 3 states have internal predecessors, (2223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:14,353 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:17:14,353 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 740 of 837 [2023-11-29 02:17:14,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:17:15,502 INFO L124 PetriNetUnfolderBase]: 318/4606 cut-off events. [2023-11-29 02:17:15,502 INFO L125 PetriNetUnfolderBase]: For 182/245 co-relation queries the response was YES. [2023-11-29 02:17:15,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5125 conditions, 4606 events. 318/4606 cut-off events. For 182/245 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 33174 event pairs, 62 based on Foata normal form. 0/3808 useless extension candidates. Maximal degree in co-relation 5010. Up to 294 conditions per place. [2023-11-29 02:17:15,553 INFO L140 encePairwiseOnDemand]: 832/837 looper letters, 27 selfloop transitions, 4 changer transitions 0/698 dead transitions. [2023-11-29 02:17:15,553 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 681 places, 698 transitions, 1510 flow [2023-11-29 02:17:15,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:17:15,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:17:15,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2250 transitions. [2023-11-29 02:17:15,559 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8960573476702509 [2023-11-29 02:17:15,559 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2250 transitions. [2023-11-29 02:17:15,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2250 transitions. [2023-11-29 02:17:15,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:17:15,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2250 transitions. [2023-11-29 02:17:15,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 750.0) internal successors, (2250), 3 states have internal predecessors, (2250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:15,563 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:15,564 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:15,564 INFO L175 Difference]: Start difference. First operand has 681 places, 687 transitions, 1411 flow. Second operand 3 states and 2250 transitions. [2023-11-29 02:17:15,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 681 places, 698 transitions, 1510 flow [2023-11-29 02:17:15,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 681 places, 698 transitions, 1510 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:17:15,573 INFO L231 Difference]: Finished difference. Result has 682 places, 689 transitions, 1444 flow [2023-11-29 02:17:15,574 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1407, PETRI_DIFFERENCE_MINUEND_PLACES=679, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=685, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=681, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1444, PETRI_PLACES=682, PETRI_TRANSITIONS=689} [2023-11-29 02:17:15,574 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -99 predicate places. [2023-11-29 02:17:15,575 INFO L495 AbstractCegarLoop]: Abstraction has has 682 places, 689 transitions, 1444 flow [2023-11-29 02:17:15,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 741.0) internal successors, (2223), 3 states have internal predecessors, (2223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:15,575 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:17:15,576 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:17:15,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 02:17:15,576 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:17:15,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:15,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1453446391, now seen corresponding path program 1 times [2023-11-29 02:17:15,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:17:15,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128878591] [2023-11-29 02:17:15,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:15,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:17:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:15,669 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 02:17:15,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:17:15,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128878591] [2023-11-29 02:17:15,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128878591] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:15,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:15,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:17:15,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57636446] [2023-11-29 02:17:15,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:15,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:17:15,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:17:15,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:17:15,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:17:15,676 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 744 out of 837 [2023-11-29 02:17:15,677 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 682 places, 689 transitions, 1444 flow. Second operand has 3 states, 3 states have (on average 745.0) internal successors, (2235), 3 states have internal predecessors, (2235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:15,678 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:17:15,678 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 744 of 837 [2023-11-29 02:17:15,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:17:16,552 INFO L124 PetriNetUnfolderBase]: 258/3977 cut-off events. [2023-11-29 02:17:16,552 INFO L125 PetriNetUnfolderBase]: For 380/652 co-relation queries the response was YES. [2023-11-29 02:17:16,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4595 conditions, 3977 events. 258/3977 cut-off events. For 380/652 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 27047 event pairs, 46 based on Foata normal form. 1/3299 useless extension candidates. Maximal degree in co-relation 4480. Up to 227 conditions per place. [2023-11-29 02:17:16,598 INFO L140 encePairwiseOnDemand]: 832/837 looper letters, 23 selfloop transitions, 4 changer transitions 0/698 dead transitions. [2023-11-29 02:17:16,599 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 683 places, 698 transitions, 1548 flow [2023-11-29 02:17:16,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:17:16,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:17:16,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2252 transitions. [2023-11-29 02:17:16,604 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8968538430904023 [2023-11-29 02:17:16,604 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2252 transitions. [2023-11-29 02:17:16,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2252 transitions. [2023-11-29 02:17:16,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:17:16,604 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2252 transitions. [2023-11-29 02:17:16,607 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 750.6666666666666) internal successors, (2252), 3 states have internal predecessors, (2252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:16,608 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:16,609 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:16,609 INFO L175 Difference]: Start difference. First operand has 682 places, 689 transitions, 1444 flow. Second operand 3 states and 2252 transitions. [2023-11-29 02:17:16,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 683 places, 698 transitions, 1548 flow [2023-11-29 02:17:16,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 683 places, 698 transitions, 1548 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:17:16,618 INFO L231 Difference]: Finished difference. Result has 684 places, 691 transitions, 1466 flow [2023-11-29 02:17:16,619 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1442, PETRI_DIFFERENCE_MINUEND_PLACES=681, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=688, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=684, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1466, PETRI_PLACES=684, PETRI_TRANSITIONS=691} [2023-11-29 02:17:16,620 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -97 predicate places. [2023-11-29 02:17:16,620 INFO L495 AbstractCegarLoop]: Abstraction has has 684 places, 691 transitions, 1466 flow [2023-11-29 02:17:16,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 745.0) internal successors, (2235), 3 states have internal predecessors, (2235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:16,620 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:17:16,620 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:17:16,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 02:17:16,621 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:17:16,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:16,621 INFO L85 PathProgramCache]: Analyzing trace with hash -739111812, now seen corresponding path program 1 times [2023-11-29 02:17:16,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:17:16,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436016247] [2023-11-29 02:17:16,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:16,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:17:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:16,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:17:16,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:17:16,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436016247] [2023-11-29 02:17:16,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436016247] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:16,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:16,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:17:16,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730742296] [2023-11-29 02:17:16,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:16,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:17:16,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:17:16,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:17:16,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:17:16,731 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 743 out of 837 [2023-11-29 02:17:16,733 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 684 places, 691 transitions, 1466 flow. Second operand has 3 states, 3 states have (on average 744.6666666666666) internal successors, (2234), 3 states have internal predecessors, (2234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:16,733 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:17:16,733 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 743 of 837 [2023-11-29 02:17:16,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:17:18,870 INFO L124 PetriNetUnfolderBase]: 569/9141 cut-off events. [2023-11-29 02:17:18,870 INFO L125 PetriNetUnfolderBase]: For 840/907 co-relation queries the response was YES. [2023-11-29 02:17:18,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10479 conditions, 9141 events. 569/9141 cut-off events. For 840/907 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 86044 event pairs, 80 based on Foata normal form. 0/7528 useless extension candidates. Maximal degree in co-relation 10363. Up to 300 conditions per place. [2023-11-29 02:17:18,939 INFO L140 encePairwiseOnDemand]: 834/837 looper letters, 30 selfloop transitions, 2 changer transitions 0/702 dead transitions. [2023-11-29 02:17:18,940 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 685 places, 702 transitions, 1590 flow [2023-11-29 02:17:18,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:17:18,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:17:18,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2251 transitions. [2023-11-29 02:17:18,945 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8964555953803266 [2023-11-29 02:17:18,946 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2251 transitions. [2023-11-29 02:17:18,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2251 transitions. [2023-11-29 02:17:18,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:17:18,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2251 transitions. [2023-11-29 02:17:18,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 750.3333333333334) internal successors, (2251), 3 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:18,952 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:18,953 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:18,953 INFO L175 Difference]: Start difference. First operand has 684 places, 691 transitions, 1466 flow. Second operand 3 states and 2251 transitions. [2023-11-29 02:17:18,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 685 places, 702 transitions, 1590 flow [2023-11-29 02:17:18,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 684 places, 702 transitions, 1583 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 02:17:18,963 INFO L231 Difference]: Finished difference. Result has 684 places, 690 transitions, 1464 flow [2023-11-29 02:17:18,964 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1460, PETRI_DIFFERENCE_MINUEND_PLACES=682, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=690, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=688, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1464, PETRI_PLACES=684, PETRI_TRANSITIONS=690} [2023-11-29 02:17:18,964 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -97 predicate places. [2023-11-29 02:17:18,965 INFO L495 AbstractCegarLoop]: Abstraction has has 684 places, 690 transitions, 1464 flow [2023-11-29 02:17:18,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 744.6666666666666) internal successors, (2234), 3 states have internal predecessors, (2234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:18,965 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:17:18,965 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:17:18,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 02:17:18,965 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting thread1Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:17:18,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:18,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1542165956, now seen corresponding path program 1 times [2023-11-29 02:17:18,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:17:18,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779145333] [2023-11-29 02:17:18,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:18,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:17:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:19,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:17:19,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:17:19,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779145333] [2023-11-29 02:17:19,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779145333] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:19,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:19,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:17:19,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668168275] [2023-11-29 02:17:19,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:19,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:17:19,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:17:19,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:17:19,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:17:19,104 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 740 out of 837 [2023-11-29 02:17:19,106 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 684 places, 690 transitions, 1464 flow. Second operand has 3 states, 3 states have (on average 741.6666666666666) internal successors, (2225), 3 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:19,106 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:17:19,107 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 740 of 837 [2023-11-29 02:17:19,107 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:17:21,713 INFO L124 PetriNetUnfolderBase]: 733/10754 cut-off events. [2023-11-29 02:17:21,713 INFO L125 PetriNetUnfolderBase]: For 1038/1397 co-relation queries the response was YES. [2023-11-29 02:17:21,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12494 conditions, 10754 events. 733/10754 cut-off events. For 1038/1397 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 102809 event pairs, 89 based on Foata normal form. 0/8838 useless extension candidates. Maximal degree in co-relation 12377. Up to 609 conditions per place. [2023-11-29 02:17:21,823 INFO L140 encePairwiseOnDemand]: 833/837 looper letters, 36 selfloop transitions, 2 changer transitions 0/704 dead transitions. [2023-11-29 02:17:21,823 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 684 places, 704 transitions, 1609 flow [2023-11-29 02:17:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:17:21,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:17:21,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2249 transitions. [2023-11-29 02:17:21,826 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8956590999601752 [2023-11-29 02:17:21,826 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2249 transitions. [2023-11-29 02:17:21,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2249 transitions. [2023-11-29 02:17:21,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:17:21,827 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2249 transitions. [2023-11-29 02:17:21,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 749.6666666666666) internal successors, (2249), 3 states have internal predecessors, (2249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:21,830 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:21,831 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:21,831 INFO L175 Difference]: Start difference. First operand has 684 places, 690 transitions, 1464 flow. Second operand 3 states and 2249 transitions. [2023-11-29 02:17:21,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 684 places, 704 transitions, 1609 flow [2023-11-29 02:17:21,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 682 places, 704 transitions, 1605 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:17:21,842 INFO L231 Difference]: Finished difference. Result has 683 places, 690 transitions, 1470 flow [2023-11-29 02:17:21,842 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1456, PETRI_DIFFERENCE_MINUEND_PLACES=680, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=688, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=686, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1470, PETRI_PLACES=683, PETRI_TRANSITIONS=690} [2023-11-29 02:17:21,843 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -98 predicate places. [2023-11-29 02:17:21,843 INFO L495 AbstractCegarLoop]: Abstraction has has 683 places, 690 transitions, 1470 flow [2023-11-29 02:17:21,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 741.6666666666666) internal successors, (2225), 3 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:21,843 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:17:21,844 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:17:21,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 02:17:21,844 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:17:21,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:21,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1420364016, now seen corresponding path program 1 times [2023-11-29 02:17:21,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:17:21,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103279115] [2023-11-29 02:17:21,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:21,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:17:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:21,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:17:21,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:17:21,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103279115] [2023-11-29 02:17:21,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103279115] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:21,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:21,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:17:21,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099416569] [2023-11-29 02:17:21,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:21,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:17:21,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:17:21,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:17:21,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:17:21,948 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 733 out of 837 [2023-11-29 02:17:21,950 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 683 places, 690 transitions, 1470 flow. Second operand has 3 states, 3 states have (on average 735.0) internal successors, (2205), 3 states have internal predecessors, (2205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:21,950 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:17:21,950 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 733 of 837 [2023-11-29 02:17:21,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:17:24,722 INFO L124 PetriNetUnfolderBase]: 1370/13070 cut-off events. [2023-11-29 02:17:24,722 INFO L125 PetriNetUnfolderBase]: For 2121/2206 co-relation queries the response was YES. [2023-11-29 02:17:24,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16525 conditions, 13070 events. 1370/13070 cut-off events. For 2121/2206 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 131135 event pairs, 219 based on Foata normal form. 5/11043 useless extension candidates. Maximal degree in co-relation 16407. Up to 1251 conditions per place. [2023-11-29 02:17:24,843 INFO L140 encePairwiseOnDemand]: 830/837 looper letters, 34 selfloop transitions, 2 changer transitions 6/698 dead transitions. [2023-11-29 02:17:24,843 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 681 places, 698 transitions, 1597 flow [2023-11-29 02:17:24,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:17:24,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:17:24,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2230 transitions. [2023-11-29 02:17:24,845 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8880923934687376 [2023-11-29 02:17:24,845 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2230 transitions. [2023-11-29 02:17:24,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2230 transitions. [2023-11-29 02:17:24,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:17:24,846 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2230 transitions. [2023-11-29 02:17:24,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 743.3333333333334) internal successors, (2230), 3 states have internal predecessors, (2230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:24,849 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:24,849 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:24,849 INFO L175 Difference]: Start difference. First operand has 683 places, 690 transitions, 1470 flow. Second operand 3 states and 2230 transitions. [2023-11-29 02:17:24,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 681 places, 698 transitions, 1597 flow [2023-11-29 02:17:24,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 681 places, 698 transitions, 1597 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:17:24,857 INFO L231 Difference]: Finished difference. Result has 681 places, 680 transitions, 1449 flow [2023-11-29 02:17:24,858 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1462, PETRI_DIFFERENCE_MINUEND_PLACES=679, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=686, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=684, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1449, PETRI_PLACES=681, PETRI_TRANSITIONS=680} [2023-11-29 02:17:24,859 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -100 predicate places. [2023-11-29 02:17:24,859 INFO L495 AbstractCegarLoop]: Abstraction has has 681 places, 680 transitions, 1449 flow [2023-11-29 02:17:24,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 735.0) internal successors, (2205), 3 states have internal predecessors, (2205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:24,859 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:17:24,859 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:17:24,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-29 02:17:24,860 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:17:24,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:24,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1609851381, now seen corresponding path program 1 times [2023-11-29 02:17:24,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:17:24,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044657870] [2023-11-29 02:17:24,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:24,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:17:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:25,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:17:25,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:17:25,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044657870] [2023-11-29 02:17:25,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044657870] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:25,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:25,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:17:25,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946778902] [2023-11-29 02:17:25,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:25,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:17:25,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:17:25,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:17:25,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:17:26,581 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 716 out of 837 [2023-11-29 02:17:26,584 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 681 places, 680 transitions, 1449 flow. Second operand has 6 states, 6 states have (on average 717.6666666666666) internal successors, (4306), 6 states have internal predecessors, (4306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:26,584 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:17:26,584 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 716 of 837 [2023-11-29 02:17:26,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:17:29,068 INFO L124 PetriNetUnfolderBase]: 1095/5257 cut-off events. [2023-11-29 02:17:29,068 INFO L125 PetriNetUnfolderBase]: For 3073/5423 co-relation queries the response was YES. [2023-11-29 02:17:29,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8906 conditions, 5257 events. 1095/5257 cut-off events. For 3073/5423 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 34909 event pairs, 65 based on Foata normal form. 0/4360 useless extension candidates. Maximal degree in co-relation 8786. Up to 570 conditions per place. [2023-11-29 02:17:29,244 INFO L140 encePairwiseOnDemand]: 832/837 looper letters, 84 selfloop transitions, 4 changer transitions 0/723 dead transitions. [2023-11-29 02:17:29,244 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 680 places, 723 transitions, 1871 flow [2023-11-29 02:17:29,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:17:29,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:17:29,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4355 transitions. [2023-11-29 02:17:29,248 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.867184388689765 [2023-11-29 02:17:29,248 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4355 transitions. [2023-11-29 02:17:29,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4355 transitions. [2023-11-29 02:17:29,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:17:29,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4355 transitions. [2023-11-29 02:17:29,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 725.8333333333334) internal successors, (4355), 6 states have internal predecessors, (4355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:29,255 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 837.0) internal successors, (5859), 7 states have internal predecessors, (5859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:29,255 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 837.0) internal successors, (5859), 7 states have internal predecessors, (5859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:29,256 INFO L175 Difference]: Start difference. First operand has 681 places, 680 transitions, 1449 flow. Second operand 6 states and 4355 transitions. [2023-11-29 02:17:29,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 680 places, 723 transitions, 1871 flow [2023-11-29 02:17:29,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 678 places, 723 transitions, 1867 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:17:29,265 INFO L231 Difference]: Finished difference. Result has 678 places, 679 transitions, 1451 flow [2023-11-29 02:17:29,266 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1443, PETRI_DIFFERENCE_MINUEND_PLACES=673, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=679, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=675, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1451, PETRI_PLACES=678, PETRI_TRANSITIONS=679} [2023-11-29 02:17:29,266 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -103 predicate places. [2023-11-29 02:17:29,266 INFO L495 AbstractCegarLoop]: Abstraction has has 678 places, 679 transitions, 1451 flow [2023-11-29 02:17:29,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 717.6666666666666) internal successors, (4306), 6 states have internal predecessors, (4306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:29,267 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:17:29,267 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:17:29,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-29 02:17:29,268 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting thread1Err23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:17:29,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:29,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1707942686, now seen corresponding path program 1 times [2023-11-29 02:17:29,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:17:29,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257965037] [2023-11-29 02:17:29,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:29,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:17:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:29,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:17:29,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:17:29,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257965037] [2023-11-29 02:17:29,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257965037] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:29,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:29,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:17:29,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536816561] [2023-11-29 02:17:29,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:29,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:17:29,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:17:29,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:17:29,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:17:29,532 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 739 out of 837 [2023-11-29 02:17:29,534 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 678 places, 679 transitions, 1451 flow. Second operand has 4 states, 4 states have (on average 740.75) internal successors, (2963), 4 states have internal predecessors, (2963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:29,534 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:17:29,534 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 739 of 837 [2023-11-29 02:17:29,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:17:31,513 INFO L124 PetriNetUnfolderBase]: 602/5273 cut-off events. [2023-11-29 02:17:31,513 INFO L125 PetriNetUnfolderBase]: For 1407/2449 co-relation queries the response was YES. [2023-11-29 02:17:31,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7224 conditions, 5273 events. 602/5273 cut-off events. For 1407/2449 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 37287 event pairs, 66 based on Foata normal form. 7/4479 useless extension candidates. Maximal degree in co-relation 7104. Up to 292 conditions per place. [2023-11-29 02:17:31,584 INFO L140 encePairwiseOnDemand]: 830/837 looper letters, 35 selfloop transitions, 6 changer transitions 0/696 dead transitions. [2023-11-29 02:17:31,584 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 681 places, 696 transitions, 1639 flow [2023-11-29 02:17:31,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:17:31,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-29 02:17:31,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 2984 transitions. [2023-11-29 02:17:31,588 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8912783751493429 [2023-11-29 02:17:31,588 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 2984 transitions. [2023-11-29 02:17:31,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 2984 transitions. [2023-11-29 02:17:31,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:17:31,588 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 2984 transitions. [2023-11-29 02:17:31,591 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 746.0) internal successors, (2984), 4 states have internal predecessors, (2984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:31,594 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 837.0) internal successors, (4185), 5 states have internal predecessors, (4185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:31,594 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 837.0) internal successors, (4185), 5 states have internal predecessors, (4185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:31,594 INFO L175 Difference]: Start difference. First operand has 678 places, 679 transitions, 1451 flow. Second operand 4 states and 2984 transitions. [2023-11-29 02:17:31,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 681 places, 696 transitions, 1639 flow [2023-11-29 02:17:31,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 677 places, 696 transitions, 1632 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 02:17:31,603 INFO L231 Difference]: Finished difference. Result has 677 places, 678 transitions, 1454 flow [2023-11-29 02:17:31,603 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1442, PETRI_DIFFERENCE_MINUEND_PLACES=674, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=678, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=672, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1454, PETRI_PLACES=677, PETRI_TRANSITIONS=678} [2023-11-29 02:17:31,604 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -104 predicate places. [2023-11-29 02:17:31,604 INFO L495 AbstractCegarLoop]: Abstraction has has 677 places, 678 transitions, 1454 flow [2023-11-29 02:17:31,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 740.75) internal successors, (2963), 4 states have internal predecessors, (2963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:31,604 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:17:31,604 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:17:31,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-29 02:17:31,605 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:17:31,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:31,605 INFO L85 PathProgramCache]: Analyzing trace with hash -2076223063, now seen corresponding path program 1 times [2023-11-29 02:17:31,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:17:31,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43016564] [2023-11-29 02:17:31,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:31,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:17:31,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:31,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:17:31,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:17:31,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43016564] [2023-11-29 02:17:31,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43016564] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:31,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:31,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:17:31,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415521330] [2023-11-29 02:17:31,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:31,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:17:31,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:17:31,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:17:31,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:17:31,721 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 718 out of 837 [2023-11-29 02:17:31,723 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 677 places, 678 transitions, 1454 flow. Second operand has 3 states, 3 states have (on average 720.0) internal successors, (2160), 3 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:31,723 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:17:31,723 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 718 of 837 [2023-11-29 02:17:31,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:17:35,485 INFO L124 PetriNetUnfolderBase]: 2519/14217 cut-off events. [2023-11-29 02:17:35,485 INFO L125 PetriNetUnfolderBase]: For 4637/4714 co-relation queries the response was YES. [2023-11-29 02:17:35,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21361 conditions, 14217 events. 2519/14217 cut-off events. For 4637/4714 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 144724 event pairs, 112 based on Foata normal form. 0/12652 useless extension candidates. Maximal degree in co-relation 21240. Up to 3170 conditions per place. [2023-11-29 02:17:35,584 INFO L140 encePairwiseOnDemand]: 825/837 looper letters, 46 selfloop transitions, 3 changer transitions 0/682 dead transitions. [2023-11-29 02:17:35,584 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 670 places, 682 transitions, 1597 flow [2023-11-29 02:17:35,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:17:35,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:17:35,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2201 transitions. [2023-11-29 02:17:35,587 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8765432098765432 [2023-11-29 02:17:35,587 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2201 transitions. [2023-11-29 02:17:35,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2201 transitions. [2023-11-29 02:17:35,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:17:35,587 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2201 transitions. [2023-11-29 02:17:35,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 733.6666666666666) internal successors, (2201), 3 states have internal predecessors, (2201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:35,590 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:35,591 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:35,591 INFO L175 Difference]: Start difference. First operand has 677 places, 678 transitions, 1454 flow. Second operand 3 states and 2201 transitions. [2023-11-29 02:17:35,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 670 places, 682 transitions, 1597 flow [2023-11-29 02:17:35,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 667 places, 682 transitions, 1583 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-29 02:17:35,600 INFO L231 Difference]: Finished difference. Result has 668 places, 670 transitions, 1437 flow [2023-11-29 02:17:35,600 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1424, PETRI_DIFFERENCE_MINUEND_PLACES=665, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=669, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=666, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1437, PETRI_PLACES=668, PETRI_TRANSITIONS=670} [2023-11-29 02:17:35,601 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -113 predicate places. [2023-11-29 02:17:35,601 INFO L495 AbstractCegarLoop]: Abstraction has has 668 places, 670 transitions, 1437 flow [2023-11-29 02:17:35,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 720.0) internal successors, (2160), 3 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:35,601 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:17:35,601 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:17:35,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-29 02:17:35,602 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting thread1Err23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:17:35,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:35,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1122457303, now seen corresponding path program 1 times [2023-11-29 02:17:35,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:17:35,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96582027] [2023-11-29 02:17:35,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:35,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:17:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:36,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:17:36,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:17:36,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96582027] [2023-11-29 02:17:36,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96582027] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:36,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:36,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 02:17:36,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56425872] [2023-11-29 02:17:36,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:36,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:17:36,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:17:36,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:17:36,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:17:36,565 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 701 out of 837 [2023-11-29 02:17:36,568 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 668 places, 670 transitions, 1437 flow. Second operand has 8 states, 8 states have (on average 705.25) internal successors, (5642), 8 states have internal predecessors, (5642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:36,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:17:36,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 701 of 837 [2023-11-29 02:17:36,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:17:38,923 INFO L124 PetriNetUnfolderBase]: 674/6933 cut-off events. [2023-11-29 02:17:38,924 INFO L125 PetriNetUnfolderBase]: For 1601/2607 co-relation queries the response was YES. [2023-11-29 02:17:39,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9271 conditions, 6933 events. 674/6933 cut-off events. For 1601/2607 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 53625 event pairs, 269 based on Foata normal form. 17/6048 useless extension candidates. Maximal degree in co-relation 9149. Up to 740 conditions per place. [2023-11-29 02:17:39,051 INFO L140 encePairwiseOnDemand]: 826/837 looper letters, 94 selfloop transitions, 12 changer transitions 0/715 dead transitions. [2023-11-29 02:17:39,051 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 676 places, 715 transitions, 1780 flow [2023-11-29 02:17:39,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 02:17:39,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-29 02:17:39,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 6405 transitions. [2023-11-29 02:17:39,055 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8502588610115492 [2023-11-29 02:17:39,055 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 6405 transitions. [2023-11-29 02:17:39,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 6405 transitions. [2023-11-29 02:17:39,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:17:39,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 6405 transitions. [2023-11-29 02:17:39,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 711.6666666666666) internal successors, (6405), 9 states have internal predecessors, (6405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:39,065 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 837.0) internal successors, (8370), 10 states have internal predecessors, (8370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:39,066 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 837.0) internal successors, (8370), 10 states have internal predecessors, (8370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:39,066 INFO L175 Difference]: Start difference. First operand has 668 places, 670 transitions, 1437 flow. Second operand 9 states and 6405 transitions. [2023-11-29 02:17:39,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 676 places, 715 transitions, 1780 flow [2023-11-29 02:17:39,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 675 places, 715 transitions, 1777 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 02:17:39,076 INFO L231 Difference]: Finished difference. Result has 678 places, 675 transitions, 1484 flow [2023-11-29 02:17:39,077 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1434, PETRI_DIFFERENCE_MINUEND_PLACES=667, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=670, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=660, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1484, PETRI_PLACES=678, PETRI_TRANSITIONS=675} [2023-11-29 02:17:39,077 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -103 predicate places. [2023-11-29 02:17:39,077 INFO L495 AbstractCegarLoop]: Abstraction has has 678 places, 675 transitions, 1484 flow [2023-11-29 02:17:39,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 705.25) internal successors, (5642), 8 states have internal predecessors, (5642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:39,078 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:17:39,078 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:17:39,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-29 02:17:39,078 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:17:39,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:17:39,079 INFO L85 PathProgramCache]: Analyzing trace with hash -746548370, now seen corresponding path program 1 times [2023-11-29 02:17:39,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:17:39,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126267564] [2023-11-29 02:17:39,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:17:39,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:17:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:39,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:17:39,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:17:39,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126267564] [2023-11-29 02:17:39,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126267564] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:17:39,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:17:39,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:17:39,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605435504] [2023-11-29 02:17:39,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:17:39,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:17:39,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:17:39,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:17:39,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:17:40,245 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 674 out of 837 [2023-11-29 02:17:40,248 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 678 places, 675 transitions, 1484 flow. Second operand has 6 states, 6 states have (on average 675.6666666666666) internal successors, (4054), 6 states have internal predecessors, (4054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:17:40,248 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:17:40,248 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 674 of 837 [2023-11-29 02:17:40,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:18:19,333 INFO L124 PetriNetUnfolderBase]: 39571/139873 cut-off events. [2023-11-29 02:18:19,333 INFO L125 PetriNetUnfolderBase]: For 49279/49279 co-relation queries the response was YES. [2023-11-29 02:18:20,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 234859 conditions, 139873 events. 39571/139873 cut-off events. For 49279/49279 co-relation queries the response was YES. Maximal size of possible extension queue 1337. Compared 1886418 event pairs, 27904 based on Foata normal form. 0/125822 useless extension candidates. Maximal degree in co-relation 234732. Up to 52962 conditions per place. [2023-11-29 02:18:20,801 INFO L140 encePairwiseOnDemand]: 831/837 looper letters, 82 selfloop transitions, 5 changer transitions 0/674 dead transitions. [2023-11-29 02:18:20,802 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 682 places, 674 transitions, 1656 flow [2023-11-29 02:18:20,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:18:20,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:18:20,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4126 transitions. [2023-11-29 02:18:20,805 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8215850258861012 [2023-11-29 02:18:20,805 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4126 transitions. [2023-11-29 02:18:20,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4126 transitions. [2023-11-29 02:18:20,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:18:20,805 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4126 transitions. [2023-11-29 02:18:20,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 687.6666666666666) internal successors, (4126), 6 states have internal predecessors, (4126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:20,811 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 837.0) internal successors, (5859), 7 states have internal predecessors, (5859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:20,811 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 837.0) internal successors, (5859), 7 states have internal predecessors, (5859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:20,811 INFO L175 Difference]: Start difference. First operand has 678 places, 675 transitions, 1484 flow. Second operand 6 states and 4126 transitions. [2023-11-29 02:18:20,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 682 places, 674 transitions, 1656 flow [2023-11-29 02:18:20,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 680 places, 674 transitions, 1649 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:18:20,856 INFO L231 Difference]: Finished difference. Result has 680 places, 674 transitions, 1485 flow [2023-11-29 02:18:20,856 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1475, PETRI_DIFFERENCE_MINUEND_PLACES=675, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=674, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=669, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1485, PETRI_PLACES=680, PETRI_TRANSITIONS=674} [2023-11-29 02:18:20,857 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -101 predicate places. [2023-11-29 02:18:20,857 INFO L495 AbstractCegarLoop]: Abstraction has has 680 places, 674 transitions, 1485 flow [2023-11-29 02:18:20,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 675.6666666666666) internal successors, (4054), 6 states have internal predecessors, (4054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:20,857 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:18:20,857 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:18:20,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-29 02:18:20,857 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:18:20,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:18:20,858 INFO L85 PathProgramCache]: Analyzing trace with hash 848270731, now seen corresponding path program 1 times [2023-11-29 02:18:20,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:18:20,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573062933] [2023-11-29 02:18:20,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:18:20,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:18:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:18:21,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:18:21,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:18:21,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573062933] [2023-11-29 02:18:21,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573062933] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:18:21,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:18:21,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:18:21,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128720799] [2023-11-29 02:18:21,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:18:21,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:18:21,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:18:21,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:18:21,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:18:21,054 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 745 out of 837 [2023-11-29 02:18:21,055 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 680 places, 674 transitions, 1485 flow. Second operand has 3 states, 3 states have (on average 747.0) internal successors, (2241), 3 states have internal predecessors, (2241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:21,056 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:18:21,056 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 745 of 837 [2023-11-29 02:18:21,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:18:22,759 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([3106] L95-->L95-1: Formula: (= |v_#race~consume~0_4| 0) InVars {} OutVars{#race~consume~0=|v_#race~consume~0_4|} AuxVars[] AssignedVars[#race~consume~0][559], [884#(= |#race~n_queue~0| 0), 913#(= |#race~n2~0| 0), Black: 925#true, Black: 831#(= |#race~state12~0| 0), 338#L81true, 908#(= |#race~consume~0| 0), 975#true, 876#(= |#race~n_update~0| 0), Black: 964#(and (= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 0) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 966#(and (<= ~n_produce~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 0) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), 861#(= |#race~n_produce~0| 0), 900#(= |#race~n1~0| 0), Black: 906#true, Black: 958#(<= ~n_produce~0 0), 460#L62true, 982#true, 757#L133-4true, Black: 911#true, 927#(= |#race~update~0| 0), Black: 948#true, Black: 916#true, 204#L95-1true]) [2023-11-29 02:18:22,760 INFO L294 olderBase$Statistics]: this new event has 551 ancestors and is cut-off event [2023-11-29 02:18:22,760 INFO L297 olderBase$Statistics]: existing Event has 394 ancestors and is cut-off event [2023-11-29 02:18:22,760 INFO L297 olderBase$Statistics]: existing Event has 514 ancestors and is cut-off event [2023-11-29 02:18:22,760 INFO L297 olderBase$Statistics]: existing Event has 407 ancestors and is cut-off event [2023-11-29 02:18:23,034 INFO L124 PetriNetUnfolderBase]: 446/6387 cut-off events. [2023-11-29 02:18:23,034 INFO L125 PetriNetUnfolderBase]: For 1045/1279 co-relation queries the response was YES. [2023-11-29 02:18:23,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7949 conditions, 6387 events. 446/6387 cut-off events. For 1045/1279 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 48262 event pairs, 44 based on Foata normal form. 32/5695 useless extension candidates. Maximal degree in co-relation 7825. Up to 301 conditions per place. [2023-11-29 02:18:23,126 INFO L140 encePairwiseOnDemand]: 834/837 looper letters, 28 selfloop transitions, 2 changer transitions 0/686 dead transitions. [2023-11-29 02:18:23,126 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 682 places, 686 transitions, 1611 flow [2023-11-29 02:18:23,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:18:23,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:18:23,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2255 transitions. [2023-11-29 02:18:23,128 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8980485862206292 [2023-11-29 02:18:23,128 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2255 transitions. [2023-11-29 02:18:23,128 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2255 transitions. [2023-11-29 02:18:23,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:18:23,128 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2255 transitions. [2023-11-29 02:18:23,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 751.6666666666666) internal successors, (2255), 3 states have internal predecessors, (2255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:23,131 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:23,131 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:23,131 INFO L175 Difference]: Start difference. First operand has 680 places, 674 transitions, 1485 flow. Second operand 3 states and 2255 transitions. [2023-11-29 02:18:23,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 682 places, 686 transitions, 1611 flow [2023-11-29 02:18:23,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 677 places, 686 transitions, 1601 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:18:23,139 INFO L231 Difference]: Finished difference. Result has 678 places, 675 transitions, 1489 flow [2023-11-29 02:18:23,140 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1475, PETRI_DIFFERENCE_MINUEND_PLACES=675, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=674, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=672, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1489, PETRI_PLACES=678, PETRI_TRANSITIONS=675} [2023-11-29 02:18:23,140 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -103 predicate places. [2023-11-29 02:18:23,140 INFO L495 AbstractCegarLoop]: Abstraction has has 678 places, 675 transitions, 1489 flow [2023-11-29 02:18:23,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 747.0) internal successors, (2241), 3 states have internal predecessors, (2241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:23,141 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:18:23,141 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:18:23,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-29 02:18:23,141 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:18:23,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:18:23,142 INFO L85 PathProgramCache]: Analyzing trace with hash 364778918, now seen corresponding path program 1 times [2023-11-29 02:18:23,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:18:23,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601503457] [2023-11-29 02:18:23,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:18:23,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:18:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:18:23,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:18:23,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:18:23,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601503457] [2023-11-29 02:18:23,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601503457] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:18:23,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:18:23,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:18:23,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663834099] [2023-11-29 02:18:23,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:18:23,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:18:23,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:18:23,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:18:23,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:18:23,247 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 737 out of 837 [2023-11-29 02:18:23,249 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 678 places, 675 transitions, 1489 flow. Second operand has 3 states, 3 states have (on average 739.0) internal successors, (2217), 3 states have internal predecessors, (2217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:23,249 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:18:23,249 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 737 of 837 [2023-11-29 02:18:23,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:18:27,367 INFO L124 PetriNetUnfolderBase]: 1561/16933 cut-off events. [2023-11-29 02:18:27,367 INFO L125 PetriNetUnfolderBase]: For 2998/2998 co-relation queries the response was YES. [2023-11-29 02:18:27,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21715 conditions, 16933 events. 1561/16933 cut-off events. For 2998/2998 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 179160 event pairs, 234 based on Foata normal form. 0/15166 useless extension candidates. Maximal degree in co-relation 21590. Up to 1747 conditions per place. [2023-11-29 02:18:27,519 INFO L140 encePairwiseOnDemand]: 832/837 looper letters, 32 selfloop transitions, 2 changer transitions 0/682 dead transitions. [2023-11-29 02:18:27,519 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 677 places, 682 transitions, 1597 flow [2023-11-29 02:18:27,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:18:27,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:18:27,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2238 transitions. [2023-11-29 02:18:27,522 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8912783751493429 [2023-11-29 02:18:27,522 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2238 transitions. [2023-11-29 02:18:27,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2238 transitions. [2023-11-29 02:18:27,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:18:27,523 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2238 transitions. [2023-11-29 02:18:27,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 746.0) internal successors, (2238), 3 states have internal predecessors, (2238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:27,527 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:27,527 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:27,527 INFO L175 Difference]: Start difference. First operand has 678 places, 675 transitions, 1489 flow. Second operand 3 states and 2238 transitions. [2023-11-29 02:18:27,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 677 places, 682 transitions, 1597 flow [2023-11-29 02:18:27,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 676 places, 682 transitions, 1595 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 02:18:27,537 INFO L231 Difference]: Finished difference. Result has 677 places, 674 transitions, 1497 flow [2023-11-29 02:18:27,538 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1481, PETRI_DIFFERENCE_MINUEND_PLACES=674, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=672, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=670, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1497, PETRI_PLACES=677, PETRI_TRANSITIONS=674} [2023-11-29 02:18:27,538 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -104 predicate places. [2023-11-29 02:18:27,539 INFO L495 AbstractCegarLoop]: Abstraction has has 677 places, 674 transitions, 1497 flow [2023-11-29 02:18:27,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 739.0) internal successors, (2217), 3 states have internal predecessors, (2217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:27,539 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:18:27,539 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:18:27,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-11-29 02:18:27,539 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting thread1Err23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:18:27,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:18:27,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1480485454, now seen corresponding path program 1 times [2023-11-29 02:18:27,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:18:27,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791227521] [2023-11-29 02:18:27,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:18:27,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:18:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:18:28,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 02:18:28,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:18:28,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791227521] [2023-11-29 02:18:28,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791227521] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:18:28,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:18:28,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:18:28,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670919287] [2023-11-29 02:18:28,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:18:28,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:18:28,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:18:28,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:18:28,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:18:28,835 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 715 out of 837 [2023-11-29 02:18:28,838 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 677 places, 674 transitions, 1497 flow. Second operand has 6 states, 6 states have (on average 717.5) internal successors, (4305), 6 states have internal predecessors, (4305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:28,838 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:18:28,838 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 715 of 837 [2023-11-29 02:18:28,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:18:32,039 INFO L124 PetriNetUnfolderBase]: 862/9320 cut-off events. [2023-11-29 02:18:32,039 INFO L125 PetriNetUnfolderBase]: For 2074/2345 co-relation queries the response was YES. [2023-11-29 02:18:32,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12378 conditions, 9320 events. 862/9320 cut-off events. For 2074/2345 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 80688 event pairs, 141 based on Foata normal form. 60/8439 useless extension candidates. Maximal degree in co-relation 12250. Up to 540 conditions per place. [2023-11-29 02:18:32,152 INFO L140 encePairwiseOnDemand]: 831/837 looper letters, 80 selfloop transitions, 5 changer transitions 0/709 dead transitions. [2023-11-29 02:18:32,152 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 681 places, 709 transitions, 1881 flow [2023-11-29 02:18:32,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:18:32,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:18:32,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4352 transitions. [2023-11-29 02:18:32,157 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8665870171246516 [2023-11-29 02:18:32,157 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4352 transitions. [2023-11-29 02:18:32,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4352 transitions. [2023-11-29 02:18:32,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:18:32,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4352 transitions. [2023-11-29 02:18:32,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 725.3333333333334) internal successors, (4352), 6 states have internal predecessors, (4352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:32,163 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 837.0) internal successors, (5859), 7 states have internal predecessors, (5859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:32,164 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 837.0) internal successors, (5859), 7 states have internal predecessors, (5859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:32,164 INFO L175 Difference]: Start difference. First operand has 677 places, 674 transitions, 1497 flow. Second operand 6 states and 4352 transitions. [2023-11-29 02:18:32,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 681 places, 709 transitions, 1881 flow [2023-11-29 02:18:32,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 681 places, 709 transitions, 1881 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:18:32,173 INFO L231 Difference]: Finished difference. Result has 681 places, 673 transitions, 1505 flow [2023-11-29 02:18:32,174 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1495, PETRI_DIFFERENCE_MINUEND_PLACES=676, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=673, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=668, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1505, PETRI_PLACES=681, PETRI_TRANSITIONS=673} [2023-11-29 02:18:32,174 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -100 predicate places. [2023-11-29 02:18:32,174 INFO L495 AbstractCegarLoop]: Abstraction has has 681 places, 673 transitions, 1505 flow [2023-11-29 02:18:32,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 717.5) internal successors, (4305), 6 states have internal predecessors, (4305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:32,175 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:18:32,175 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:18:32,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-29 02:18:32,175 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting thread3Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:18:32,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:18:32,176 INFO L85 PathProgramCache]: Analyzing trace with hash -490157876, now seen corresponding path program 1 times [2023-11-29 02:18:32,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:18:32,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042642519] [2023-11-29 02:18:32,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:18:32,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:18:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:18:32,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:18:32,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:18:32,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042642519] [2023-11-29 02:18:32,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042642519] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:18:32,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:18:32,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:18:32,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213727807] [2023-11-29 02:18:32,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:18:32,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:18:32,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:18:32,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:18:32,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:18:33,580 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 703 out of 837 [2023-11-29 02:18:33,583 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 681 places, 673 transitions, 1505 flow. Second operand has 6 states, 6 states have (on average 705.0) internal successors, (4230), 6 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:33,583 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:18:33,583 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 703 of 837 [2023-11-29 02:18:33,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:18:38,789 INFO L124 PetriNetUnfolderBase]: 3105/17061 cut-off events. [2023-11-29 02:18:38,789 INFO L125 PetriNetUnfolderBase]: For 7512/7518 co-relation queries the response was YES. [2023-11-29 02:18:38,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27438 conditions, 17061 events. 3105/17061 cut-off events. For 7512/7518 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 170146 event pairs, 171 based on Foata normal form. 0/15725 useless extension candidates. Maximal degree in co-relation 27309. Up to 3073 conditions per place. [2023-11-29 02:18:38,974 INFO L140 encePairwiseOnDemand]: 829/837 looper letters, 106 selfloop transitions, 5 changer transitions 0/722 dead transitions. [2023-11-29 02:18:38,974 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 683 places, 722 transitions, 2005 flow [2023-11-29 02:18:38,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:18:38,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:18:38,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4300 transitions. [2023-11-29 02:18:38,978 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8562325766626842 [2023-11-29 02:18:38,978 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4300 transitions. [2023-11-29 02:18:38,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4300 transitions. [2023-11-29 02:18:38,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:18:38,979 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4300 transitions. [2023-11-29 02:18:38,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 716.6666666666666) internal successors, (4300), 6 states have internal predecessors, (4300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:38,985 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 837.0) internal successors, (5859), 7 states have internal predecessors, (5859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:38,985 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 837.0) internal successors, (5859), 7 states have internal predecessors, (5859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:38,986 INFO L175 Difference]: Start difference. First operand has 681 places, 673 transitions, 1505 flow. Second operand 6 states and 4300 transitions. [2023-11-29 02:18:38,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 683 places, 722 transitions, 2005 flow [2023-11-29 02:18:38,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 678 places, 722 transitions, 1995 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:18:38,998 INFO L231 Difference]: Finished difference. Result has 678 places, 670 transitions, 1499 flow [2023-11-29 02:18:38,998 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1489, PETRI_DIFFERENCE_MINUEND_PLACES=673, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=670, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=665, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1499, PETRI_PLACES=678, PETRI_TRANSITIONS=670} [2023-11-29 02:18:38,999 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -103 predicate places. [2023-11-29 02:18:38,999 INFO L495 AbstractCegarLoop]: Abstraction has has 678 places, 670 transitions, 1499 flow [2023-11-29 02:18:38,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 705.0) internal successors, (4230), 6 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:38,999 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:18:38,999 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:18:39,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-11-29 02:18:39,000 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting thread1Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:18:39,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:18:39,000 INFO L85 PathProgramCache]: Analyzing trace with hash 574151861, now seen corresponding path program 1 times [2023-11-29 02:18:39,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:18:39,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522728635] [2023-11-29 02:18:39,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:18:39,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:18:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:18:39,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 02:18:39,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:18:39,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522728635] [2023-11-29 02:18:39,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522728635] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:18:39,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:18:39,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:18:39,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478607683] [2023-11-29 02:18:39,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:18:39,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:18:39,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:18:39,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:18:39,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:18:39,128 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 737 out of 837 [2023-11-29 02:18:39,129 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 678 places, 670 transitions, 1499 flow. Second operand has 3 states, 3 states have (on average 740.3333333333334) internal successors, (2221), 3 states have internal predecessors, (2221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:39,130 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:18:39,130 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 737 of 837 [2023-11-29 02:18:39,130 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:18:41,752 INFO L124 PetriNetUnfolderBase]: 925/9358 cut-off events. [2023-11-29 02:18:41,752 INFO L125 PetriNetUnfolderBase]: For 2109/2309 co-relation queries the response was YES. [2023-11-29 02:18:41,868 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12771 conditions, 9358 events. 925/9358 cut-off events. For 2109/2309 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 81071 event pairs, 314 based on Foata normal form. 15/8536 useless extension candidates. Maximal degree in co-relation 12643. Up to 901 conditions per place. [2023-11-29 02:18:41,911 INFO L140 encePairwiseOnDemand]: 834/837 looper letters, 34 selfloop transitions, 2 changer transitions 0/678 dead transitions. [2023-11-29 02:18:41,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 679 places, 678 transitions, 1623 flow [2023-11-29 02:18:41,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:18:41,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:18:41,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2236 transitions. [2023-11-29 02:18:41,913 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8904818797291916 [2023-11-29 02:18:41,913 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2236 transitions. [2023-11-29 02:18:41,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2236 transitions. [2023-11-29 02:18:41,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:18:41,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2236 transitions. [2023-11-29 02:18:41,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 745.3333333333334) internal successors, (2236), 3 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:41,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:41,917 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:41,917 INFO L175 Difference]: Start difference. First operand has 678 places, 670 transitions, 1499 flow. Second operand 3 states and 2236 transitions. [2023-11-29 02:18:41,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 679 places, 678 transitions, 1623 flow [2023-11-29 02:18:41,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 674 places, 678 transitions, 1613 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:18:41,927 INFO L231 Difference]: Finished difference. Result has 674 places, 669 transitions, 1491 flow [2023-11-29 02:18:41,928 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1487, PETRI_DIFFERENCE_MINUEND_PLACES=672, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=669, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=667, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1491, PETRI_PLACES=674, PETRI_TRANSITIONS=669} [2023-11-29 02:18:41,928 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -107 predicate places. [2023-11-29 02:18:41,928 INFO L495 AbstractCegarLoop]: Abstraction has has 674 places, 669 transitions, 1491 flow [2023-11-29 02:18:41,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 740.3333333333334) internal successors, (2221), 3 states have internal predecessors, (2221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:41,929 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:18:41,929 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:18:41,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-11-29 02:18:41,929 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting thread3Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:18:41,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:18:41,930 INFO L85 PathProgramCache]: Analyzing trace with hash -31322802, now seen corresponding path program 1 times [2023-11-29 02:18:41,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:18:41,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573917562] [2023-11-29 02:18:41,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:18:41,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:18:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:18:42,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:18:42,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:18:42,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573917562] [2023-11-29 02:18:42,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573917562] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:18:42,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:18:42,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:18:42,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576139382] [2023-11-29 02:18:42,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:18:42,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:18:42,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:18:42,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:18:42,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:18:43,137 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 715 out of 837 [2023-11-29 02:18:43,140 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 674 places, 669 transitions, 1491 flow. Second operand has 6 states, 6 states have (on average 717.0) internal successors, (4302), 6 states have internal predecessors, (4302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:43,140 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:18:43,140 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 715 of 837 [2023-11-29 02:18:43,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:18:46,878 INFO L124 PetriNetUnfolderBase]: 1382/10834 cut-off events. [2023-11-29 02:18:46,879 INFO L125 PetriNetUnfolderBase]: For 3354/3463 co-relation queries the response was YES. [2023-11-29 02:18:46,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15526 conditions, 10834 events. 1382/10834 cut-off events. For 3354/3463 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 97107 event pairs, 170 based on Foata normal form. 0/9978 useless extension candidates. Maximal degree in co-relation 15397. Up to 652 conditions per place. [2023-11-29 02:18:47,036 INFO L140 encePairwiseOnDemand]: 831/837 looper letters, 92 selfloop transitions, 5 changer transitions 0/716 dead transitions. [2023-11-29 02:18:47,036 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 678 places, 716 transitions, 1927 flow [2023-11-29 02:18:47,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:18:47,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:18:47,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4360 transitions. [2023-11-29 02:18:47,041 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8681800079649542 [2023-11-29 02:18:47,042 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4360 transitions. [2023-11-29 02:18:47,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4360 transitions. [2023-11-29 02:18:47,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:18:47,043 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4360 transitions. [2023-11-29 02:18:47,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 726.6666666666666) internal successors, (4360), 6 states have internal predecessors, (4360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:47,051 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 837.0) internal successors, (5859), 7 states have internal predecessors, (5859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:47,052 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 837.0) internal successors, (5859), 7 states have internal predecessors, (5859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:47,053 INFO L175 Difference]: Start difference. First operand has 674 places, 669 transitions, 1491 flow. Second operand 6 states and 4360 transitions. [2023-11-29 02:18:47,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 678 places, 716 transitions, 1927 flow [2023-11-29 02:18:47,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 676 places, 716 transitions, 1923 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:18:47,068 INFO L231 Difference]: Finished difference. Result has 676 places, 668 transitions, 1495 flow [2023-11-29 02:18:47,069 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1485, PETRI_DIFFERENCE_MINUEND_PLACES=671, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=668, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=663, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1495, PETRI_PLACES=676, PETRI_TRANSITIONS=668} [2023-11-29 02:18:47,069 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -105 predicate places. [2023-11-29 02:18:47,069 INFO L495 AbstractCegarLoop]: Abstraction has has 676 places, 668 transitions, 1495 flow [2023-11-29 02:18:47,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 717.0) internal successors, (4302), 6 states have internal predecessors, (4302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:47,070 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:18:47,071 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:18:47,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-11-29 02:18:47,071 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting thread3Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:18:47,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:18:47,071 INFO L85 PathProgramCache]: Analyzing trace with hash -304314278, now seen corresponding path program 1 times [2023-11-29 02:18:47,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:18:47,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908509424] [2023-11-29 02:18:47,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:18:47,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:18:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:18:47,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:18:47,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:18:47,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908509424] [2023-11-29 02:18:47,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908509424] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:18:47,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:18:47,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:18:47,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395770167] [2023-11-29 02:18:47,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:18:47,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:18:47,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:18:47,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:18:47,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:18:48,216 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 716 out of 837 [2023-11-29 02:18:48,219 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 676 places, 668 transitions, 1495 flow. Second operand has 6 states, 6 states have (on average 717.6666666666666) internal successors, (4306), 6 states have internal predecessors, (4306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:48,219 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:18:48,219 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 716 of 837 [2023-11-29 02:18:48,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:18:52,805 INFO L124 PetriNetUnfolderBase]: 1946/15415 cut-off events. [2023-11-29 02:18:52,805 INFO L125 PetriNetUnfolderBase]: For 4374/4426 co-relation queries the response was YES. [2023-11-29 02:18:52,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21939 conditions, 15415 events. 1946/15415 cut-off events. For 4374/4426 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 154403 event pairs, 376 based on Foata normal form. 0/14122 useless extension candidates. Maximal degree in co-relation 21813. Up to 1310 conditions per place. [2023-11-29 02:18:53,005 INFO L140 encePairwiseOnDemand]: 831/837 looper letters, 91 selfloop transitions, 5 changer transitions 0/715 dead transitions. [2023-11-29 02:18:53,005 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 680 places, 715 transitions, 1929 flow [2023-11-29 02:18:53,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:18:53,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:18:53,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4365 transitions. [2023-11-29 02:18:53,009 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8691756272401434 [2023-11-29 02:18:53,009 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4365 transitions. [2023-11-29 02:18:53,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4365 transitions. [2023-11-29 02:18:53,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:18:53,010 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4365 transitions. [2023-11-29 02:18:53,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 727.5) internal successors, (4365), 6 states have internal predecessors, (4365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:53,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 837.0) internal successors, (5859), 7 states have internal predecessors, (5859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:53,016 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 837.0) internal successors, (5859), 7 states have internal predecessors, (5859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:53,017 INFO L175 Difference]: Start difference. First operand has 676 places, 668 transitions, 1495 flow. Second operand 6 states and 4365 transitions. [2023-11-29 02:18:53,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 680 places, 715 transitions, 1929 flow [2023-11-29 02:18:53,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 675 places, 715 transitions, 1919 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:18:53,030 INFO L231 Difference]: Finished difference. Result has 675 places, 667 transitions, 1493 flow [2023-11-29 02:18:53,031 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1483, PETRI_DIFFERENCE_MINUEND_PLACES=670, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=667, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=662, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1493, PETRI_PLACES=675, PETRI_TRANSITIONS=667} [2023-11-29 02:18:53,031 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -106 predicate places. [2023-11-29 02:18:53,031 INFO L495 AbstractCegarLoop]: Abstraction has has 675 places, 667 transitions, 1493 flow [2023-11-29 02:18:53,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 717.6666666666666) internal successors, (4306), 6 states have internal predecessors, (4306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:53,032 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:18:53,032 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:18:53,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-11-29 02:18:53,032 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:18:53,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:18:53,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1257732048, now seen corresponding path program 1 times [2023-11-29 02:18:53,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:18:53,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977374330] [2023-11-29 02:18:53,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:18:53,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:18:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:18:53,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 02:18:53,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:18:53,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977374330] [2023-11-29 02:18:53,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977374330] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:18:53,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:18:53,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:18:53,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333422262] [2023-11-29 02:18:53,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:18:53,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:18:53,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:18:53,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:18:53,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:18:54,321 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 716 out of 837 [2023-11-29 02:18:54,324 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 675 places, 667 transitions, 1493 flow. Second operand has 6 states, 6 states have (on average 718.8333333333334) internal successors, (4313), 6 states have internal predecessors, (4313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:54,324 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:18:54,324 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 716 of 837 [2023-11-29 02:18:54,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:18:56,441 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([2926] L52-->L57: Formula: (let ((.cse11 (* v_~front1~0_785 4)) (.cse12 (* v_~size1~0_505 4)) (.cse15 (* v_~state11~0_191 4))) (let ((.cse0 (not |v_thread1_#t~short2#1_386|)) (.cse2 (+ 3 v_~produce~0.offset_113 .cse15)) (.cse10 (+ .cse11 .cse12 v_~queue1~0.offset_453)) (.cse8 (+ v_~produce~0.offset_113 .cse15 1)) (.cse7 (+ v_~produce~0.offset_113 .cse15)) (.cse5 (not |v_thread1_#t~short1#1_344|)) (.cse4 (+ v_~front1~0_785 v_~size1~0_505)) (.cse1 (select |v_#race_1803| v_~produce~0.base_113)) (.cse9 (+ 2 v_~produce~0.offset_113 .cse15))) (and (or (and (<= 0 v_~state11~0_191) |v_thread1_#t~short2#1_386|) (and (< v_~state11~0_191 0) .cse0)) (= (select .cse1 .cse2) 0) (let ((.cse3 (= |v_#race~state11~0_441| 0))) (or (and (= |v_#race~n_produce~0_229| 0) .cse3 (or (and (< v_~state11~0_191 v_~n_produce~0_66) |v_thread1_#t~short2#1_385|) (and (<= v_~n_produce~0_66 v_~state11~0_191) (not |v_thread1_#t~short2#1_385|))) |v_thread1_#t~short2#1_386|) (and .cse3 (= |v_thread1_#t~short2#1_386| |v_thread1_#t~short2#1_385|) (= |v_#race~n_produce~0_229| |v_#race~n_produce~0_230|) .cse0))) (or (and (< .cse4 0) .cse5) (and |v_thread1_#t~short1#1_344| (<= 0 .cse4))) (= |v_#race_1803| (let ((.cse6 (store |v_#race_1804| v_~queue1~0.base_453 (store (store (store (store (select |v_#race_1804| v_~queue1~0.base_453) .cse10 0) (+ .cse11 .cse12 v_~queue1~0.offset_453 1) 0) (+ 2 .cse11 .cse12 v_~queue1~0.offset_453) 0) (+ 3 .cse11 .cse12 v_~queue1~0.offset_453) 0)))) (store .cse6 v_~produce~0.base_113 (store (store (store (store (select .cse6 v_~produce~0.base_113) .cse7 0) .cse8 0) .cse9 0) .cse2 0)))) (= |v_#race~front1~0_1606| 0) (not (= (ite (= (select (select |v_#memory_int_458| v_~produce~0.base_113) .cse7) (select (select |v_#memory_int_458| v_~queue1~0.base_453) .cse10)) 1 0) 0)) (not (= (ite |v_thread1_#t~short1#1_343| 1 0) 0)) (= (select .cse1 .cse8) 0) (not (= (ite |v_thread1_#t~short2#1_385| 1 0) 0)) (= (select .cse1 .cse7) 0) (let ((.cse13 (= |v_#race~front1~0_1640| 0)) (.cse14 (= |v_#race~size1~0_827| 0))) (or (and (= |v_thread1_#t~short1#1_343| |v_thread1_#t~short1#1_344|) (= |v_#race~n_queue~0_596| |v_#race~n_queue~0_595|) .cse13 .cse5 .cse14) (and (= |v_#race~n_queue~0_595| 0) |v_thread1_#t~short1#1_344| .cse13 .cse14 (or (and (not |v_thread1_#t~short1#1_343|) (<= v_~n_queue~0_174 .cse4)) (and |v_thread1_#t~short1#1_343| (< .cse4 v_~n_queue~0_174)))))) (= |v_#race~produce~0_172| 0) (= v_~size1~0_504 (+ v_~size1~0_505 1)) (= |v_#race~state11~0_431| 0) (= |v_#race~queue1~0_976| 0) (= (select .cse1 .cse9) 0)))) InVars {#race=|v_#race_1804|, ~state11~0=v_~state11~0_191, ~size1~0=v_~size1~0_505, ~produce~0.base=v_~produce~0.base_113, ~queue1~0.base=v_~queue1~0.base_453, #race~n_queue~0=|v_#race~n_queue~0_596|, ~n_queue~0=v_~n_queue~0_174, #race~n_produce~0=|v_#race~n_produce~0_230|, #memory_int=|v_#memory_int_458|, ~n_produce~0=v_~n_produce~0_66, ~front1~0=v_~front1~0_785, ~produce~0.offset=v_~produce~0.offset_113, ~queue1~0.offset=v_~queue1~0.offset_453} OutVars{#race~produce~0=|v_#race~produce~0_172|, #race~state11~0=|v_#race~state11~0_431|, thread1Thread1of1ForFork2_#t~short2#1=|v_thread1Thread1of1ForFork2_#t~short2#1_23|, ~produce~0.base=v_~produce~0.base_113, #race~size1~0=|v_#race~size1~0_813|, thread1Thread1of1ForFork2_#t~short1#1=|v_thread1Thread1of1ForFork2_#t~short1#1_31|, ~queue1~0.base=v_~queue1~0.base_453, #race~front1~0=|v_#race~front1~0_1606|, #race~n_queue~0=|v_#race~n_queue~0_595|, ~n_queue~0=v_~n_queue~0_174, ~front1~0=v_~front1~0_785, thread1Thread1of1ForFork2_#t~mem3#1=|v_thread1Thread1of1ForFork2_#t~mem3#1_13|, thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1_25|, #race=|v_#race_1803|, thread1Thread1of1ForFork2_#t~mem4#1=|v_thread1Thread1of1ForFork2_#t~mem4#1_7|, ~state11~0=v_~state11~0_191, thread1Thread1of1ForFork2_#t~post5#1=|v_thread1Thread1of1ForFork2_#t~post5#1_3|, ~size1~0=v_~size1~0_504, thread1Thread1of1ForFork2_#t~nondet6#1=|v_thread1Thread1of1ForFork2_#t~nondet6#1_3|, thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_25|, #race~n_produce~0=|v_#race~n_produce~0_229|, #memory_int=|v_#memory_int_458|, ~n_produce~0=v_~n_produce~0_66, ~produce~0.offset=v_~produce~0.offset_113, ~queue1~0.offset=v_~queue1~0.offset_453, #race~queue1~0=|v_#race~queue1~0_976|} AuxVars[|v_thread1_#t~short2#1_386|, |v_thread1_#t~short2#1_385|, |v_#race~size1~0_827|, |v_#race~state11~0_441|, |v_thread1_#t~short1#1_343|, |v_thread1_#t~short1#1_344|, |v_#race~front1~0_1640|] AssignedVars[#race, #race~produce~0, #race~state11~0, thread1Thread1of1ForFork2_#t~mem4#1, thread1Thread1of1ForFork2_#t~short2#1, thread1Thread1of1ForFork2_#t~post5#1, ~size1~0, #race~size1~0, thread1Thread1of1ForFork2_#t~nondet6#1, thread1Thread1of1ForFork2_#t~short1#1, #race~front1~0, #race~n_queue~0, thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, #race~n_produce~0, #race~queue1~0, thread1Thread1of1ForFork2_#t~mem3#1, thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1][534], [Black: 831#(= |#race~state12~0| 0), 338#L81true, 18#L94-1true, 989#(= |#race~produce~0| 0), Black: 964#(and (= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 0) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), 876#(= |#race~n_update~0| 0), Black: 966#(and (<= ~n_produce~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 0) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 958#(<= ~n_produce~0 0), Black: 906#true, Black: 911#true, 927#(= |#race~update~0| 0), Black: 916#true, Black: 984#(= ~finished1~0 0), Black: 987#true, 913#(= |#race~n2~0| 0), 884#(= |#race~n_queue~0| 0), Black: 925#true, 1024#true, 908#(= |#race~consume~0| 0), 339#L57true, 861#(= |#race~n_produce~0| 0), 900#(= |#race~n1~0| 0), 757#L133-4true, Black: 948#true, 1017#true]) [2023-11-29 02:18:56,441 INFO L294 olderBase$Statistics]: this new event has 497 ancestors and is cut-off event [2023-11-29 02:18:56,441 INFO L297 olderBase$Statistics]: existing Event has 500 ancestors and is cut-off event [2023-11-29 02:18:56,441 INFO L297 olderBase$Statistics]: existing Event has 497 ancestors and is cut-off event [2023-11-29 02:18:56,441 INFO L297 olderBase$Statistics]: existing Event has 377 ancestors and is cut-off event [2023-11-29 02:18:57,026 INFO L124 PetriNetUnfolderBase]: 587/8700 cut-off events. [2023-11-29 02:18:57,026 INFO L125 PetriNetUnfolderBase]: For 1510/1698 co-relation queries the response was YES. [2023-11-29 02:18:57,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11029 conditions, 8700 events. 587/8700 cut-off events. For 1510/1698 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 74436 event pairs, 104 based on Foata normal form. 53/8083 useless extension candidates. Maximal degree in co-relation 10901. Up to 421 conditions per place. [2023-11-29 02:18:57,159 INFO L140 encePairwiseOnDemand]: 832/837 looper letters, 70 selfloop transitions, 4 changer transitions 0/694 dead transitions. [2023-11-29 02:18:57,159 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 679 places, 694 transitions, 1831 flow [2023-11-29 02:18:57,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:18:57,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:18:57,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4347 transitions. [2023-11-29 02:18:57,162 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8655913978494624 [2023-11-29 02:18:57,163 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4347 transitions. [2023-11-29 02:18:57,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4347 transitions. [2023-11-29 02:18:57,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:18:57,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4347 transitions. [2023-11-29 02:18:57,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 724.5) internal successors, (4347), 6 states have internal predecessors, (4347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:57,171 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 837.0) internal successors, (5859), 7 states have internal predecessors, (5859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:57,172 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 837.0) internal successors, (5859), 7 states have internal predecessors, (5859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:57,172 INFO L175 Difference]: Start difference. First operand has 675 places, 667 transitions, 1493 flow. Second operand 6 states and 4347 transitions. [2023-11-29 02:18:57,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 679 places, 694 transitions, 1831 flow [2023-11-29 02:18:57,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 674 places, 694 transitions, 1821 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:18:57,183 INFO L231 Difference]: Finished difference. Result has 674 places, 666 transitions, 1489 flow [2023-11-29 02:18:57,183 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1481, PETRI_DIFFERENCE_MINUEND_PLACES=669, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=666, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=662, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1489, PETRI_PLACES=674, PETRI_TRANSITIONS=666} [2023-11-29 02:18:57,184 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -107 predicate places. [2023-11-29 02:18:57,184 INFO L495 AbstractCegarLoop]: Abstraction has has 674 places, 666 transitions, 1489 flow [2023-11-29 02:18:57,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 718.8333333333334) internal successors, (4313), 6 states have internal predecessors, (4313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:57,184 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:18:57,185 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:18:57,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-11-29 02:18:57,185 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting thread3Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:18:57,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:18:57,185 INFO L85 PathProgramCache]: Analyzing trace with hash 656359581, now seen corresponding path program 1 times [2023-11-29 02:18:57,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:18:57,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687891513] [2023-11-29 02:18:57,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:18:57,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:18:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:18:57,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:18:57,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:18:57,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687891513] [2023-11-29 02:18:57,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687891513] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:18:57,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:18:57,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:18:57,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462460709] [2023-11-29 02:18:57,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:18:57,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:18:57,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:18:57,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:18:57,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:18:57,287 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 737 out of 837 [2023-11-29 02:18:57,288 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 674 places, 666 transitions, 1489 flow. Second operand has 3 states, 3 states have (on average 740.0) internal successors, (2220), 3 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:18:57,288 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:18:57,289 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 737 of 837 [2023-11-29 02:18:57,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:19:01,741 INFO L124 PetriNetUnfolderBase]: 1763/15945 cut-off events. [2023-11-29 02:19:01,741 INFO L125 PetriNetUnfolderBase]: For 3830/3879 co-relation queries the response was YES. [2023-11-29 02:19:01,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21685 conditions, 15945 events. 1763/15945 cut-off events. For 3830/3879 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 162463 event pairs, 556 based on Foata normal form. 1/14702 useless extension candidates. Maximal degree in co-relation 21558. Up to 1662 conditions per place. [2023-11-29 02:19:01,943 INFO L140 encePairwiseOnDemand]: 834/837 looper letters, 36 selfloop transitions, 2 changer transitions 0/677 dead transitions. [2023-11-29 02:19:01,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 675 places, 677 transitions, 1624 flow [2023-11-29 02:19:01,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:19:01,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:19:01,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2237 transitions. [2023-11-29 02:19:01,946 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8908801274392673 [2023-11-29 02:19:01,946 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2237 transitions. [2023-11-29 02:19:01,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2237 transitions. [2023-11-29 02:19:01,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:19:01,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2237 transitions. [2023-11-29 02:19:01,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 745.6666666666666) internal successors, (2237), 3 states have internal predecessors, (2237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:01,949 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:01,950 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:01,950 INFO L175 Difference]: Start difference. First operand has 674 places, 666 transitions, 1489 flow. Second operand 3 states and 2237 transitions. [2023-11-29 02:19:01,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 675 places, 677 transitions, 1624 flow [2023-11-29 02:19:01,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 671 places, 677 transitions, 1617 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 02:19:01,960 INFO L231 Difference]: Finished difference. Result has 671 places, 665 transitions, 1484 flow [2023-11-29 02:19:01,961 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1480, PETRI_DIFFERENCE_MINUEND_PLACES=669, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=665, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=663, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1484, PETRI_PLACES=671, PETRI_TRANSITIONS=665} [2023-11-29 02:19:01,961 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -110 predicate places. [2023-11-29 02:19:01,961 INFO L495 AbstractCegarLoop]: Abstraction has has 671 places, 665 transitions, 1484 flow [2023-11-29 02:19:01,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 740.0) internal successors, (2220), 3 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:01,962 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:19:01,962 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:19:01,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-11-29 02:19:01,962 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:19:01,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:19:01,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1793907816, now seen corresponding path program 1 times [2023-11-29 02:19:01,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:19:01,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148662698] [2023-11-29 02:19:01,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:19:01,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:19:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:19:02,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 02:19:02,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:19:02,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148662698] [2023-11-29 02:19:02,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148662698] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:19:02,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:19:02,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:19:02,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974366587] [2023-11-29 02:19:02,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:19:02,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:19:02,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:19:02,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:19:02,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:19:03,270 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 716 out of 837 [2023-11-29 02:19:03,272 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 671 places, 665 transitions, 1484 flow. Second operand has 6 states, 6 states have (on average 719.1666666666666) internal successors, (4315), 6 states have internal predecessors, (4315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:03,272 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:19:03,272 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 716 of 837 [2023-11-29 02:19:03,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:19:05,098 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([2926] L52-->L57: Formula: (let ((.cse11 (* v_~front1~0_785 4)) (.cse12 (* v_~size1~0_505 4)) (.cse15 (* v_~state11~0_191 4))) (let ((.cse0 (not |v_thread1_#t~short2#1_386|)) (.cse2 (+ 3 v_~produce~0.offset_113 .cse15)) (.cse10 (+ .cse11 .cse12 v_~queue1~0.offset_453)) (.cse8 (+ v_~produce~0.offset_113 .cse15 1)) (.cse7 (+ v_~produce~0.offset_113 .cse15)) (.cse5 (not |v_thread1_#t~short1#1_344|)) (.cse4 (+ v_~front1~0_785 v_~size1~0_505)) (.cse1 (select |v_#race_1803| v_~produce~0.base_113)) (.cse9 (+ 2 v_~produce~0.offset_113 .cse15))) (and (or (and (<= 0 v_~state11~0_191) |v_thread1_#t~short2#1_386|) (and (< v_~state11~0_191 0) .cse0)) (= (select .cse1 .cse2) 0) (let ((.cse3 (= |v_#race~state11~0_441| 0))) (or (and (= |v_#race~n_produce~0_229| 0) .cse3 (or (and (< v_~state11~0_191 v_~n_produce~0_66) |v_thread1_#t~short2#1_385|) (and (<= v_~n_produce~0_66 v_~state11~0_191) (not |v_thread1_#t~short2#1_385|))) |v_thread1_#t~short2#1_386|) (and .cse3 (= |v_thread1_#t~short2#1_386| |v_thread1_#t~short2#1_385|) (= |v_#race~n_produce~0_229| |v_#race~n_produce~0_230|) .cse0))) (or (and (< .cse4 0) .cse5) (and |v_thread1_#t~short1#1_344| (<= 0 .cse4))) (= |v_#race_1803| (let ((.cse6 (store |v_#race_1804| v_~queue1~0.base_453 (store (store (store (store (select |v_#race_1804| v_~queue1~0.base_453) .cse10 0) (+ .cse11 .cse12 v_~queue1~0.offset_453 1) 0) (+ 2 .cse11 .cse12 v_~queue1~0.offset_453) 0) (+ 3 .cse11 .cse12 v_~queue1~0.offset_453) 0)))) (store .cse6 v_~produce~0.base_113 (store (store (store (store (select .cse6 v_~produce~0.base_113) .cse7 0) .cse8 0) .cse9 0) .cse2 0)))) (= |v_#race~front1~0_1606| 0) (not (= (ite (= (select (select |v_#memory_int_458| v_~produce~0.base_113) .cse7) (select (select |v_#memory_int_458| v_~queue1~0.base_453) .cse10)) 1 0) 0)) (not (= (ite |v_thread1_#t~short1#1_343| 1 0) 0)) (= (select .cse1 .cse8) 0) (not (= (ite |v_thread1_#t~short2#1_385| 1 0) 0)) (= (select .cse1 .cse7) 0) (let ((.cse13 (= |v_#race~front1~0_1640| 0)) (.cse14 (= |v_#race~size1~0_827| 0))) (or (and (= |v_thread1_#t~short1#1_343| |v_thread1_#t~short1#1_344|) (= |v_#race~n_queue~0_596| |v_#race~n_queue~0_595|) .cse13 .cse5 .cse14) (and (= |v_#race~n_queue~0_595| 0) |v_thread1_#t~short1#1_344| .cse13 .cse14 (or (and (not |v_thread1_#t~short1#1_343|) (<= v_~n_queue~0_174 .cse4)) (and |v_thread1_#t~short1#1_343| (< .cse4 v_~n_queue~0_174)))))) (= |v_#race~produce~0_172| 0) (= v_~size1~0_504 (+ v_~size1~0_505 1)) (= |v_#race~state11~0_431| 0) (= |v_#race~queue1~0_976| 0) (= (select .cse1 .cse9) 0)))) InVars {#race=|v_#race_1804|, ~state11~0=v_~state11~0_191, ~size1~0=v_~size1~0_505, ~produce~0.base=v_~produce~0.base_113, ~queue1~0.base=v_~queue1~0.base_453, #race~n_queue~0=|v_#race~n_queue~0_596|, ~n_queue~0=v_~n_queue~0_174, #race~n_produce~0=|v_#race~n_produce~0_230|, #memory_int=|v_#memory_int_458|, ~n_produce~0=v_~n_produce~0_66, ~front1~0=v_~front1~0_785, ~produce~0.offset=v_~produce~0.offset_113, ~queue1~0.offset=v_~queue1~0.offset_453} OutVars{#race~produce~0=|v_#race~produce~0_172|, #race~state11~0=|v_#race~state11~0_431|, thread1Thread1of1ForFork2_#t~short2#1=|v_thread1Thread1of1ForFork2_#t~short2#1_23|, ~produce~0.base=v_~produce~0.base_113, #race~size1~0=|v_#race~size1~0_813|, thread1Thread1of1ForFork2_#t~short1#1=|v_thread1Thread1of1ForFork2_#t~short1#1_31|, ~queue1~0.base=v_~queue1~0.base_453, #race~front1~0=|v_#race~front1~0_1606|, #race~n_queue~0=|v_#race~n_queue~0_595|, ~n_queue~0=v_~n_queue~0_174, ~front1~0=v_~front1~0_785, thread1Thread1of1ForFork2_#t~mem3#1=|v_thread1Thread1of1ForFork2_#t~mem3#1_13|, thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1_25|, #race=|v_#race_1803|, thread1Thread1of1ForFork2_#t~mem4#1=|v_thread1Thread1of1ForFork2_#t~mem4#1_7|, ~state11~0=v_~state11~0_191, thread1Thread1of1ForFork2_#t~post5#1=|v_thread1Thread1of1ForFork2_#t~post5#1_3|, ~size1~0=v_~size1~0_504, thread1Thread1of1ForFork2_#t~nondet6#1=|v_thread1Thread1of1ForFork2_#t~nondet6#1_3|, thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_25|, #race~n_produce~0=|v_#race~n_produce~0_229|, #memory_int=|v_#memory_int_458|, ~n_produce~0=v_~n_produce~0_66, ~produce~0.offset=v_~produce~0.offset_113, ~queue1~0.offset=v_~queue1~0.offset_453, #race~queue1~0=|v_#race~queue1~0_976|} AuxVars[|v_thread1_#t~short2#1_386|, |v_thread1_#t~short2#1_385|, |v_#race~size1~0_827|, |v_#race~state11~0_441|, |v_thread1_#t~short1#1_343|, |v_thread1_#t~short1#1_344|, |v_#race~front1~0_1640|] AssignedVars[#race, #race~produce~0, #race~state11~0, thread1Thread1of1ForFork2_#t~mem4#1, thread1Thread1of1ForFork2_#t~short2#1, thread1Thread1of1ForFork2_#t~post5#1, ~size1~0, #race~size1~0, thread1Thread1of1ForFork2_#t~nondet6#1, thread1Thread1of1ForFork2_#t~short1#1, #race~front1~0, #race~n_queue~0, thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, #race~n_produce~0, #race~queue1~0, thread1Thread1of1ForFork2_#t~mem3#1, thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1][534], [Black: 831#(= |#race~state12~0| 0), 338#L81true, 18#L94-1true, 989#(= |#race~produce~0| 0), 1035#true, Black: 964#(and (= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 0) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), 876#(= |#race~n_update~0| 0), Black: 966#(and (<= ~n_produce~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 0) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 906#true, Black: 958#(<= ~n_produce~0 0), Black: 911#true, 927#(= |#race~update~0| 0), Black: 916#true, Black: 984#(= ~finished1~0 0), Black: 987#true, 913#(= |#race~n2~0| 0), 884#(= |#race~n_queue~0| 0), Black: 925#true, 908#(= |#race~consume~0| 0), 339#L57true, 861#(= |#race~n_produce~0| 0), 900#(= |#race~n1~0| 0), 757#L133-4true, 1031#true, Black: 948#true]) [2023-11-29 02:19:05,098 INFO L294 olderBase$Statistics]: this new event has 497 ancestors and is cut-off event [2023-11-29 02:19:05,098 INFO L297 olderBase$Statistics]: existing Event has 500 ancestors and is cut-off event [2023-11-29 02:19:05,098 INFO L297 olderBase$Statistics]: existing Event has 497 ancestors and is cut-off event [2023-11-29 02:19:05,098 INFO L297 olderBase$Statistics]: existing Event has 377 ancestors and is cut-off event [2023-11-29 02:19:05,717 INFO L124 PetriNetUnfolderBase]: 472/8536 cut-off events. [2023-11-29 02:19:05,717 INFO L125 PetriNetUnfolderBase]: For 1098/1247 co-relation queries the response was YES. [2023-11-29 02:19:05,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10348 conditions, 8536 events. 472/8536 cut-off events. For 1098/1247 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 72762 event pairs, 104 based on Foata normal form. 25/7949 useless extension candidates. Maximal degree in co-relation 10220. Up to 429 conditions per place. [2023-11-29 02:19:05,840 INFO L140 encePairwiseOnDemand]: 832/837 looper letters, 42 selfloop transitions, 4 changer transitions 0/664 dead transitions. [2023-11-29 02:19:05,840 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 675 places, 664 transitions, 1574 flow [2023-11-29 02:19:05,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:19:05,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:19:05,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4335 transitions. [2023-11-29 02:19:05,843 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8632019115890084 [2023-11-29 02:19:05,843 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4335 transitions. [2023-11-29 02:19:05,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4335 transitions. [2023-11-29 02:19:05,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:19:05,844 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4335 transitions. [2023-11-29 02:19:05,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 722.5) internal successors, (4335), 6 states have internal predecessors, (4335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:05,849 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 837.0) internal successors, (5859), 7 states have internal predecessors, (5859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:05,850 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 837.0) internal successors, (5859), 7 states have internal predecessors, (5859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:05,850 INFO L175 Difference]: Start difference. First operand has 671 places, 665 transitions, 1484 flow. Second operand 6 states and 4335 transitions. [2023-11-29 02:19:05,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 675 places, 664 transitions, 1574 flow [2023-11-29 02:19:05,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 673 places, 664 transitions, 1570 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:19:05,860 INFO L231 Difference]: Finished difference. Result has 673 places, 664 transitions, 1486 flow [2023-11-29 02:19:05,860 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1478, PETRI_DIFFERENCE_MINUEND_PLACES=668, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=664, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=660, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1486, PETRI_PLACES=673, PETRI_TRANSITIONS=664} [2023-11-29 02:19:05,861 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -108 predicate places. [2023-11-29 02:19:05,861 INFO L495 AbstractCegarLoop]: Abstraction has has 673 places, 664 transitions, 1486 flow [2023-11-29 02:19:05,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 719.1666666666666) internal successors, (4315), 6 states have internal predecessors, (4315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:05,861 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:19:05,862 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:19:05,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-11-29 02:19:05,862 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting thread3Err27ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:19:05,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:19:05,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1886278720, now seen corresponding path program 1 times [2023-11-29 02:19:05,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:19:05,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128759473] [2023-11-29 02:19:05,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:19:05,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:19:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:19:06,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:19:06,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:19:06,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128759473] [2023-11-29 02:19:06,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128759473] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:19:06,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:19:06,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:19:06,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994632297] [2023-11-29 02:19:06,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:19:06,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:19:06,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:19:06,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:19:06,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:19:07,184 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 715 out of 837 [2023-11-29 02:19:07,187 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 673 places, 664 transitions, 1486 flow. Second operand has 6 states, 6 states have (on average 717.0) internal successors, (4302), 6 states have internal predecessors, (4302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:07,187 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:19:07,187 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 715 of 837 [2023-11-29 02:19:07,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:19:10,590 INFO L124 PetriNetUnfolderBase]: 1123/9531 cut-off events. [2023-11-29 02:19:10,590 INFO L125 PetriNetUnfolderBase]: For 2647/2751 co-relation queries the response was YES. [2023-11-29 02:19:10,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13328 conditions, 9531 events. 1123/9531 cut-off events. For 2647/2751 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 82148 event pairs, 155 based on Foata normal form. 0/8883 useless extension candidates. Maximal degree in co-relation 13215. Up to 582 conditions per place. [2023-11-29 02:19:10,738 INFO L140 encePairwiseOnDemand]: 831/837 looper letters, 92 selfloop transitions, 5 changer transitions 0/711 dead transitions. [2023-11-29 02:19:10,738 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 677 places, 711 transitions, 1922 flow [2023-11-29 02:19:10,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:19:10,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:19:10,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4360 transitions. [2023-11-29 02:19:10,743 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8681800079649542 [2023-11-29 02:19:10,743 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4360 transitions. [2023-11-29 02:19:10,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4360 transitions. [2023-11-29 02:19:10,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:19:10,744 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4360 transitions. [2023-11-29 02:19:10,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 726.6666666666666) internal successors, (4360), 6 states have internal predecessors, (4360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:10,752 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 837.0) internal successors, (5859), 7 states have internal predecessors, (5859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:10,753 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 837.0) internal successors, (5859), 7 states have internal predecessors, (5859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:10,753 INFO L175 Difference]: Start difference. First operand has 673 places, 664 transitions, 1486 flow. Second operand 6 states and 4360 transitions. [2023-11-29 02:19:10,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 677 places, 711 transitions, 1922 flow [2023-11-29 02:19:10,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 673 places, 711 transitions, 1915 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 02:19:10,766 INFO L231 Difference]: Finished difference. Result has 673 places, 663 transitions, 1487 flow [2023-11-29 02:19:10,766 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1477, PETRI_DIFFERENCE_MINUEND_PLACES=668, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=663, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=658, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1487, PETRI_PLACES=673, PETRI_TRANSITIONS=663} [2023-11-29 02:19:10,767 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -108 predicate places. [2023-11-29 02:19:10,767 INFO L495 AbstractCegarLoop]: Abstraction has has 673 places, 663 transitions, 1487 flow [2023-11-29 02:19:10,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 717.0) internal successors, (4302), 6 states have internal predecessors, (4302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:10,768 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:19:10,768 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:19:10,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-11-29 02:19:10,768 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting thread3Err28ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:19:10,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:19:10,769 INFO L85 PathProgramCache]: Analyzing trace with hash -650318845, now seen corresponding path program 1 times [2023-11-29 02:19:10,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:19:10,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120433916] [2023-11-29 02:19:10,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:19:10,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:19:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:19:10,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:19:10,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:19:10,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120433916] [2023-11-29 02:19:10,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120433916] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:19:10,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:19:10,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:19:10,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313685557] [2023-11-29 02:19:10,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:19:10,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:19:10,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:19:10,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:19:10,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:19:10,918 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 732 out of 837 [2023-11-29 02:19:10,920 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 673 places, 663 transitions, 1487 flow. Second operand has 3 states, 3 states have (on average 736.0) internal successors, (2208), 3 states have internal predecessors, (2208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:10,920 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:19:10,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 732 of 837 [2023-11-29 02:19:10,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:19:15,644 INFO L124 PetriNetUnfolderBase]: 2322/16512 cut-off events. [2023-11-29 02:19:15,644 INFO L125 PetriNetUnfolderBase]: For 5482/5522 co-relation queries the response was YES. [2023-11-29 02:19:15,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24320 conditions, 16512 events. 2322/16512 cut-off events. For 5482/5522 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 167678 event pairs, 954 based on Foata normal form. 0/15267 useless extension candidates. Maximal degree in co-relation 24193. Up to 2708 conditions per place. [2023-11-29 02:19:15,781 INFO L140 encePairwiseOnDemand]: 834/837 looper letters, 43 selfloop transitions, 2 changer transitions 0/674 dead transitions. [2023-11-29 02:19:15,781 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 674 places, 674 transitions, 1636 flow [2023-11-29 02:19:15,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:19:15,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:19:15,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2228 transitions. [2023-11-29 02:19:15,783 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8872958980485862 [2023-11-29 02:19:15,783 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2228 transitions. [2023-11-29 02:19:15,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2228 transitions. [2023-11-29 02:19:15,783 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:19:15,783 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2228 transitions. [2023-11-29 02:19:15,785 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 742.6666666666666) internal successors, (2228), 3 states have internal predecessors, (2228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:15,786 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:15,786 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:15,786 INFO L175 Difference]: Start difference. First operand has 673 places, 663 transitions, 1487 flow. Second operand 3 states and 2228 transitions. [2023-11-29 02:19:15,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 674 places, 674 transitions, 1636 flow [2023-11-29 02:19:15,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 669 places, 674 transitions, 1626 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:19:15,795 INFO L231 Difference]: Finished difference. Result has 669 places, 662 transitions, 1479 flow [2023-11-29 02:19:15,796 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1475, PETRI_DIFFERENCE_MINUEND_PLACES=667, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=662, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=660, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1479, PETRI_PLACES=669, PETRI_TRANSITIONS=662} [2023-11-29 02:19:15,796 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -112 predicate places. [2023-11-29 02:19:15,796 INFO L495 AbstractCegarLoop]: Abstraction has has 669 places, 662 transitions, 1479 flow [2023-11-29 02:19:15,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 736.0) internal successors, (2208), 3 states have internal predecessors, (2208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:15,797 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:19:15,797 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:19:15,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-11-29 02:19:15,797 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting thread3Err29ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:19:15,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:19:15,797 INFO L85 PathProgramCache]: Analyzing trace with hash -553997306, now seen corresponding path program 1 times [2023-11-29 02:19:15,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:19:15,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539982702] [2023-11-29 02:19:15,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:19:15,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:19:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:19:15,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:19:15,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:19:15,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539982702] [2023-11-29 02:19:15,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539982702] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:19:15,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:19:15,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:19:15,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810253780] [2023-11-29 02:19:15,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:19:15,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:19:15,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:19:15,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:19:15,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:19:15,885 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 743 out of 837 [2023-11-29 02:19:15,887 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 669 places, 662 transitions, 1479 flow. Second operand has 3 states, 3 states have (on average 745.0) internal successors, (2235), 3 states have internal predecessors, (2235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:15,887 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:19:15,887 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 743 of 837 [2023-11-29 02:19:15,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:19:19,517 INFO L124 PetriNetUnfolderBase]: 878/13796 cut-off events. [2023-11-29 02:19:19,517 INFO L125 PetriNetUnfolderBase]: For 1654/1703 co-relation queries the response was YES. [2023-11-29 02:19:19,636 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16576 conditions, 13796 events. 878/13796 cut-off events. For 1654/1703 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 136078 event pairs, 111 based on Foata normal form. 4/12881 useless extension candidates. Maximal degree in co-relation 16450. Up to 640 conditions per place. [2023-11-29 02:19:19,672 INFO L140 encePairwiseOnDemand]: 834/837 looper letters, 32 selfloop transitions, 2 changer transitions 0/674 dead transitions. [2023-11-29 02:19:19,672 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 670 places, 674 transitions, 1617 flow [2023-11-29 02:19:19,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:19:19,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:19:19,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2251 transitions. [2023-11-29 02:19:19,674 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8964555953803266 [2023-11-29 02:19:19,674 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2251 transitions. [2023-11-29 02:19:19,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2251 transitions. [2023-11-29 02:19:19,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:19:19,674 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2251 transitions. [2023-11-29 02:19:19,676 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 750.3333333333334) internal successors, (2251), 3 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:19,677 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:19,677 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:19,677 INFO L175 Difference]: Start difference. First operand has 669 places, 662 transitions, 1479 flow. Second operand 3 states and 2251 transitions. [2023-11-29 02:19:19,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 670 places, 674 transitions, 1617 flow [2023-11-29 02:19:19,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 668 places, 674 transitions, 1613 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:19:19,686 INFO L231 Difference]: Finished difference. Result has 669 places, 663 transitions, 1491 flow [2023-11-29 02:19:19,686 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1473, PETRI_DIFFERENCE_MINUEND_PLACES=666, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=661, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=659, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1491, PETRI_PLACES=669, PETRI_TRANSITIONS=663} [2023-11-29 02:19:19,686 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -112 predicate places. [2023-11-29 02:19:19,686 INFO L495 AbstractCegarLoop]: Abstraction has has 669 places, 663 transitions, 1491 flow [2023-11-29 02:19:19,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 745.0) internal successors, (2235), 3 states have internal predecessors, (2235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:19,687 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:19:19,687 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:19:19,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-11-29 02:19:19,687 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting thread3Err31ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:19:19,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:19:19,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1331891688, now seen corresponding path program 1 times [2023-11-29 02:19:19,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:19:19,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954322381] [2023-11-29 02:19:19,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:19:19,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:19:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:19:19,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:19:19,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:19:19,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954322381] [2023-11-29 02:19:19,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954322381] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:19:19,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:19:19,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:19:19,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691086319] [2023-11-29 02:19:19,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:19:19,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:19:19,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:19:19,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:19:19,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:19:20,036 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 718 out of 837 [2023-11-29 02:19:20,037 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 669 places, 663 transitions, 1491 flow. Second operand has 3 states, 3 states have (on average 721.3333333333334) internal successors, (2164), 3 states have internal predecessors, (2164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:20,037 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:19:20,037 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 718 of 837 [2023-11-29 02:19:20,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:19:24,082 INFO L124 PetriNetUnfolderBase]: 1049/14661 cut-off events. [2023-11-29 02:19:24,082 INFO L125 PetriNetUnfolderBase]: For 2163/2215 co-relation queries the response was YES. [2023-11-29 02:19:24,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18044 conditions, 14661 events. 1049/14661 cut-off events. For 2163/2215 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 144321 event pairs, 194 based on Foata normal form. 0/13738 useless extension candidates. Maximal degree in co-relation 17915. Up to 680 conditions per place. [2023-11-29 02:19:24,264 INFO L140 encePairwiseOnDemand]: 834/837 looper letters, 58 selfloop transitions, 2 changer transitions 0/675 dead transitions. [2023-11-29 02:19:24,264 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 670 places, 675 transitions, 1674 flow [2023-11-29 02:19:24,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:19:24,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:19:24,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2201 transitions. [2023-11-29 02:19:24,266 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8765432098765432 [2023-11-29 02:19:24,266 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2201 transitions. [2023-11-29 02:19:24,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2201 transitions. [2023-11-29 02:19:24,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:19:24,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2201 transitions. [2023-11-29 02:19:24,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 733.6666666666666) internal successors, (2201), 3 states have internal predecessors, (2201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:24,269 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:24,269 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:24,269 INFO L175 Difference]: Start difference. First operand has 669 places, 663 transitions, 1491 flow. Second operand 3 states and 2201 transitions. [2023-11-29 02:19:24,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 670 places, 675 transitions, 1674 flow [2023-11-29 02:19:24,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 670 places, 675 transitions, 1674 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:19:24,278 INFO L231 Difference]: Finished difference. Result has 671 places, 663 transitions, 1499 flow [2023-11-29 02:19:24,279 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1489, PETRI_DIFFERENCE_MINUEND_PLACES=668, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=662, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=660, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1499, PETRI_PLACES=671, PETRI_TRANSITIONS=663} [2023-11-29 02:19:24,279 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -110 predicate places. [2023-11-29 02:19:24,279 INFO L495 AbstractCegarLoop]: Abstraction has has 671 places, 663 transitions, 1499 flow [2023-11-29 02:19:24,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 721.3333333333334) internal successors, (2164), 3 states have internal predecessors, (2164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:24,280 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:19:24,280 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:19:24,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-11-29 02:19:24,280 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting thread3Err32ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 221 more)] === [2023-11-29 02:19:24,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:19:24,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1544897179, now seen corresponding path program 1 times [2023-11-29 02:19:24,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:19:24,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827357711] [2023-11-29 02:19:24,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:19:24,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:19:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:19:24,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:19:24,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:19:24,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827357711] [2023-11-29 02:19:24,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827357711] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:19:24,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:19:24,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:19:24,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259731347] [2023-11-29 02:19:24,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:19:24,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:19:24,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:19:24,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:19:24,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:19:24,377 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 741 out of 837 [2023-11-29 02:19:24,378 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 671 places, 663 transitions, 1499 flow. Second operand has 3 states, 3 states have (on average 743.3333333333334) internal successors, (2230), 3 states have internal predecessors, (2230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:24,378 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:19:24,378 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 741 of 837 [2023-11-29 02:19:24,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:19:28,391 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([3205] L98-8-->L98-9: Formula: true InVars {} OutVars{thread3Thread1of1ForFork1_#t~nondet40#1=|v_thread3Thread1of1ForFork1_#t~nondet40#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork1_#t~nondet40#1][653], [Black: 831#(= |#race~state12~0| 0), 1063#true, 989#(= |#race~produce~0| 0), 639#L98-9true, 876#(= |#race~n_update~0| 0), Black: 964#(and (= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 0) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 966#(and (<= ~n_produce~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 0) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 906#true, Black: 958#(<= ~n_produce~0 0), 237#L84true, Black: 911#true, 927#(= |#race~update~0| 0), Black: 916#true, Black: 984#(= ~finished1~0 0), Black: 987#true, 1060#(= (select (select |#race| ~done~0.base) (+ ~state21~0 ~done~0.offset)) 0), 884#(= |#race~n_queue~0| 0), 913#(= |#race~n2~0| 0), Black: 1053#true, Black: 925#true, 908#(= |#race~consume~0| 0), 861#(= |#race~n_produce~0| 0), 900#(= |#race~n1~0| 0), 757#L133-4true, 460#L62true, 1055#(= |#race~done~0| 0), Black: 948#true]) [2023-11-29 02:19:28,391 INFO L294 olderBase$Statistics]: this new event has 584 ancestors and is cut-off event [2023-11-29 02:19:28,391 INFO L297 olderBase$Statistics]: existing Event has 464 ancestors and is cut-off event [2023-11-29 02:19:28,392 INFO L297 olderBase$Statistics]: existing Event has 501 ancestors and is cut-off event [2023-11-29 02:19:28,392 INFO L297 olderBase$Statistics]: existing Event has 464 ancestors and is cut-off event [2023-11-29 02:19:28,446 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([3205] L98-8-->L98-9: Formula: true InVars {} OutVars{thread3Thread1of1ForFork1_#t~nondet40#1=|v_thread3Thread1of1ForFork1_#t~nondet40#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork1_#t~nondet40#1][653], [Black: 831#(= |#race~state12~0| 0), 338#L81true, 1063#true, 20#L134-7true, 989#(= |#race~produce~0| 0), 639#L98-9true, 876#(= |#race~n_update~0| 0), Black: 964#(and (= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 0) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 966#(and (<= ~n_produce~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 0) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 958#(<= ~n_produce~0 0), Black: 906#true, Black: 911#true, 927#(= |#race~update~0| 0), Black: 916#true, Black: 984#(= ~finished1~0 0), Black: 987#true, 1060#(= (select (select |#race| ~done~0.base) (+ ~state21~0 ~done~0.offset)) 0), 884#(= |#race~n_queue~0| 0), 913#(= |#race~n2~0| 0), Black: 1053#true, Black: 925#true, 908#(= |#race~consume~0| 0), 939#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 861#(= |#race~n_produce~0| 0), 900#(= |#race~n1~0| 0), 1055#(= |#race~done~0| 0), Black: 948#true]) [2023-11-29 02:19:28,446 INFO L294 olderBase$Statistics]: this new event has 597 ancestors and is cut-off event [2023-11-29 02:19:28,446 INFO L297 olderBase$Statistics]: existing Event has 477 ancestors and is cut-off event [2023-11-29 02:19:28,446 INFO L297 olderBase$Statistics]: existing Event has 477 ancestors and is cut-off event [2023-11-29 02:19:28,446 INFO L297 olderBase$Statistics]: existing Event has 514 ancestors and is cut-off event [2023-11-29 02:19:28,448 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([3205] L98-8-->L98-9: Formula: true InVars {} OutVars{thread3Thread1of1ForFork1_#t~nondet40#1=|v_thread3Thread1of1ForFork1_#t~nondet40#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork1_#t~nondet40#1][653], [Black: 831#(= |#race~state12~0| 0), 1063#true, 20#L134-7true, 989#(= |#race~produce~0| 0), 639#L98-9true, 876#(= |#race~n_update~0| 0), Black: 964#(and (= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 0) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 966#(and (<= ~n_produce~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 0) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), 237#L84true, Black: 906#true, Black: 958#(<= ~n_produce~0 0), Black: 911#true, 927#(= |#race~update~0| 0), Black: 916#true, Black: 984#(= ~finished1~0 0), Black: 987#true, 1060#(= (select (select |#race| ~done~0.base) (+ ~state21~0 ~done~0.offset)) 0), 884#(= |#race~n_queue~0| 0), 913#(= |#race~n2~0| 0), Black: 925#true, Black: 1053#true, 908#(= |#race~consume~0| 0), 939#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 861#(= |#race~n_produce~0| 0), 900#(= |#race~n1~0| 0), 1055#(= |#race~done~0| 0), Black: 948#true]) [2023-11-29 02:19:28,448 INFO L294 olderBase$Statistics]: this new event has 598 ancestors and is cut-off event [2023-11-29 02:19:28,448 INFO L297 olderBase$Statistics]: existing Event has 478 ancestors and is cut-off event [2023-11-29 02:19:28,449 INFO L297 olderBase$Statistics]: existing Event has 478 ancestors and is cut-off event [2023-11-29 02:19:28,449 INFO L297 olderBase$Statistics]: existing Event has 515 ancestors and is cut-off event [2023-11-29 02:19:28,471 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([3205] L98-8-->L98-9: Formula: true InVars {} OutVars{thread3Thread1of1ForFork1_#t~nondet40#1=|v_thread3Thread1of1ForFork1_#t~nondet40#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork1_#t~nondet40#1][653], [Black: 831#(= |#race~state12~0| 0), 1063#true, 592#L135-7true, 989#(= |#race~produce~0| 0), 639#L98-9true, 876#(= |#race~n_update~0| 0), Black: 964#(and (= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 0) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 966#(and (<= ~n_produce~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 0) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 906#true, Black: 958#(<= ~n_produce~0 0), Black: 911#true, 927#(= |#race~update~0| 0), Black: 916#true, Black: 984#(= ~finished1~0 0), 1060#(= (select (select |#race| ~done~0.base) (+ ~state21~0 ~done~0.offset)) 0), Black: 987#true, 884#(= |#race~n_queue~0| 0), 913#(= |#race~n2~0| 0), Black: 925#true, Black: 1053#true, 1029#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 908#(= |#race~consume~0| 0), 939#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 861#(= |#race~n_produce~0| 0), 900#(= |#race~n1~0| 0), 1055#(= |#race~done~0| 0), Black: 948#true]) [2023-11-29 02:19:28,471 INFO L294 olderBase$Statistics]: this new event has 609 ancestors and is cut-off event [2023-11-29 02:19:28,471 INFO L297 olderBase$Statistics]: existing Event has 489 ancestors and is cut-off event [2023-11-29 02:19:28,471 INFO L297 olderBase$Statistics]: existing Event has 526 ancestors and is cut-off event [2023-11-29 02:19:28,471 INFO L297 olderBase$Statistics]: existing Event has 489 ancestors and is cut-off event [2023-11-29 02:19:28,473 INFO L124 PetriNetUnfolderBase]: 1339/16248 cut-off events. [2023-11-29 02:19:28,473 INFO L125 PetriNetUnfolderBase]: For 2918/2966 co-relation queries the response was YES. [2023-11-29 02:19:28,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20795 conditions, 16248 events. 1339/16248 cut-off events. For 2918/2966 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 160893 event pairs, 360 based on Foata normal form. 0/15347 useless extension candidates. Maximal degree in co-relation 20667. Up to 1094 conditions per place. [2023-11-29 02:19:28,616 INFO L140 encePairwiseOnDemand]: 834/837 looper letters, 0 selfloop transitions, 0 changer transitions 674/674 dead transitions. [2023-11-29 02:19:28,616 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 672 places, 674 transitions, 1632 flow [2023-11-29 02:19:28,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:19:28,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:19:28,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2246 transitions. [2023-11-29 02:19:28,618 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8944643568299482 [2023-11-29 02:19:28,618 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2246 transitions. [2023-11-29 02:19:28,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2246 transitions. [2023-11-29 02:19:28,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:19:28,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2246 transitions. [2023-11-29 02:19:28,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 748.6666666666666) internal successors, (2246), 3 states have internal predecessors, (2246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:28,620 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:28,621 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 837.0) internal successors, (3348), 4 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:28,621 INFO L175 Difference]: Start difference. First operand has 671 places, 663 transitions, 1499 flow. Second operand 3 states and 2246 transitions. [2023-11-29 02:19:28,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 672 places, 674 transitions, 1632 flow [2023-11-29 02:19:28,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 671 places, 674 transitions, 1630 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 02:19:28,627 INFO L231 Difference]: Finished difference. Result has 671 places, 0 transitions, 0 flow [2023-11-29 02:19:28,627 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=837, PETRI_DIFFERENCE_MINUEND_FLOW=1495, PETRI_DIFFERENCE_MINUEND_PLACES=669, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=662, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=662, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=671, PETRI_TRANSITIONS=0} [2023-11-29 02:19:28,628 INFO L281 CegarLoopForPetriNet]: 781 programPoint places, -110 predicate places. [2023-11-29 02:19:28,628 INFO L495 AbstractCegarLoop]: Abstraction has has 671 places, 0 transitions, 0 flow [2023-11-29 02:19:28,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 743.3333333333334) internal successors, (2230), 3 states have internal predecessors, (2230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:19:28,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (224 of 225 remaining) [2023-11-29 02:19:28,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (223 of 225 remaining) [2023-11-29 02:19:28,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (222 of 225 remaining) [2023-11-29 02:19:28,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (221 of 225 remaining) [2023-11-29 02:19:28,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (220 of 225 remaining) [2023-11-29 02:19:28,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (219 of 225 remaining) [2023-11-29 02:19:28,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (218 of 225 remaining) [2023-11-29 02:19:28,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (217 of 225 remaining) [2023-11-29 02:19:28,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (216 of 225 remaining) [2023-11-29 02:19:28,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (215 of 225 remaining) [2023-11-29 02:19:28,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (214 of 225 remaining) [2023-11-29 02:19:28,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (213 of 225 remaining) [2023-11-29 02:19:28,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (212 of 225 remaining) [2023-11-29 02:19:28,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (211 of 225 remaining) [2023-11-29 02:19:28,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (210 of 225 remaining) [2023-11-29 02:19:28,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (209 of 225 remaining) [2023-11-29 02:19:28,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (208 of 225 remaining) [2023-11-29 02:19:28,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (207 of 225 remaining) [2023-11-29 02:19:28,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (206 of 225 remaining) [2023-11-29 02:19:28,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (205 of 225 remaining) [2023-11-29 02:19:28,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (204 of 225 remaining) [2023-11-29 02:19:28,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (203 of 225 remaining) [2023-11-29 02:19:28,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (202 of 225 remaining) [2023-11-29 02:19:28,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (201 of 225 remaining) [2023-11-29 02:19:28,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (200 of 225 remaining) [2023-11-29 02:19:28,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (199 of 225 remaining) [2023-11-29 02:19:28,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (198 of 225 remaining) [2023-11-29 02:19:28,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (197 of 225 remaining) [2023-11-29 02:19:28,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (196 of 225 remaining) [2023-11-29 02:19:28,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (195 of 225 remaining) [2023-11-29 02:19:28,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (194 of 225 remaining) [2023-11-29 02:19:28,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (193 of 225 remaining) [2023-11-29 02:19:28,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (192 of 225 remaining) [2023-11-29 02:19:28,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (191 of 225 remaining) [2023-11-29 02:19:28,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (190 of 225 remaining) [2023-11-29 02:19:28,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (189 of 225 remaining) [2023-11-29 02:19:28,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (188 of 225 remaining) [2023-11-29 02:19:28,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (187 of 225 remaining) [2023-11-29 02:19:28,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (186 of 225 remaining) [2023-11-29 02:19:28,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (185 of 225 remaining) [2023-11-29 02:19:28,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (184 of 225 remaining) [2023-11-29 02:19:28,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (183 of 225 remaining) [2023-11-29 02:19:28,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (182 of 225 remaining) [2023-11-29 02:19:28,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (181 of 225 remaining) [2023-11-29 02:19:28,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (180 of 225 remaining) [2023-11-29 02:19:28,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (179 of 225 remaining) [2023-11-29 02:19:28,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (178 of 225 remaining) [2023-11-29 02:19:28,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (177 of 225 remaining) [2023-11-29 02:19:28,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (176 of 225 remaining) [2023-11-29 02:19:28,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (175 of 225 remaining) [2023-11-29 02:19:28,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (174 of 225 remaining) [2023-11-29 02:19:28,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (173 of 225 remaining) [2023-11-29 02:19:28,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (172 of 225 remaining) [2023-11-29 02:19:28,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (171 of 225 remaining) [2023-11-29 02:19:28,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (170 of 225 remaining) [2023-11-29 02:19:28,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (169 of 225 remaining) [2023-11-29 02:19:28,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (168 of 225 remaining) [2023-11-29 02:19:28,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (167 of 225 remaining) [2023-11-29 02:19:28,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (166 of 225 remaining) [2023-11-29 02:19:28,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (165 of 225 remaining) [2023-11-29 02:19:28,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (164 of 225 remaining) [2023-11-29 02:19:28,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (163 of 225 remaining) [2023-11-29 02:19:28,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (162 of 225 remaining) [2023-11-29 02:19:28,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (161 of 225 remaining) [2023-11-29 02:19:28,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (160 of 225 remaining) [2023-11-29 02:19:28,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (159 of 225 remaining) [2023-11-29 02:19:28,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (158 of 225 remaining) [2023-11-29 02:19:28,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (157 of 225 remaining) [2023-11-29 02:19:28,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (156 of 225 remaining) [2023-11-29 02:19:28,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (155 of 225 remaining) [2023-11-29 02:19:28,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (154 of 225 remaining) [2023-11-29 02:19:28,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (153 of 225 remaining) [2023-11-29 02:19:28,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (152 of 225 remaining) [2023-11-29 02:19:28,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (151 of 225 remaining) [2023-11-29 02:19:28,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (150 of 225 remaining) [2023-11-29 02:19:28,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (149 of 225 remaining) [2023-11-29 02:19:28,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (148 of 225 remaining) [2023-11-29 02:19:28,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (147 of 225 remaining) [2023-11-29 02:19:28,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (146 of 225 remaining) [2023-11-29 02:19:28,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (145 of 225 remaining) [2023-11-29 02:19:28,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (144 of 225 remaining) [2023-11-29 02:19:28,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (143 of 225 remaining) [2023-11-29 02:19:28,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONDATA_RACE (142 of 225 remaining) [2023-11-29 02:19:28,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err24ASSERT_VIOLATIONDATA_RACE (141 of 225 remaining) [2023-11-29 02:19:28,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err25ASSERT_VIOLATIONDATA_RACE (140 of 225 remaining) [2023-11-29 02:19:28,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err26ASSERT_VIOLATIONDATA_RACE (139 of 225 remaining) [2023-11-29 02:19:28,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err27ASSERT_VIOLATIONDATA_RACE (138 of 225 remaining) [2023-11-29 02:19:28,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err28ASSERT_VIOLATIONDATA_RACE (137 of 225 remaining) [2023-11-29 02:19:28,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err29ASSERT_VIOLATIONDATA_RACE (136 of 225 remaining) [2023-11-29 02:19:28,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err30ASSERT_VIOLATIONDATA_RACE (135 of 225 remaining) [2023-11-29 02:19:28,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err31ASSERT_VIOLATIONDATA_RACE (134 of 225 remaining) [2023-11-29 02:19:28,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err32ASSERT_VIOLATIONDATA_RACE (133 of 225 remaining) [2023-11-29 02:19:28,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (132 of 225 remaining) [2023-11-29 02:19:28,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (131 of 225 remaining) [2023-11-29 02:19:28,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (130 of 225 remaining) [2023-11-29 02:19:28,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (129 of 225 remaining) [2023-11-29 02:19:28,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (128 of 225 remaining) [2023-11-29 02:19:28,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (127 of 225 remaining) [2023-11-29 02:19:28,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (126 of 225 remaining) [2023-11-29 02:19:28,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (125 of 225 remaining) [2023-11-29 02:19:28,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (124 of 225 remaining) [2023-11-29 02:19:28,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (123 of 225 remaining) [2023-11-29 02:19:28,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (122 of 225 remaining) [2023-11-29 02:19:28,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (121 of 225 remaining) [2023-11-29 02:19:28,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (120 of 225 remaining) [2023-11-29 02:19:28,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (119 of 225 remaining) [2023-11-29 02:19:28,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (118 of 225 remaining) [2023-11-29 02:19:28,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (117 of 225 remaining) [2023-11-29 02:19:28,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (116 of 225 remaining) [2023-11-29 02:19:28,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (115 of 225 remaining) [2023-11-29 02:19:28,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (114 of 225 remaining) [2023-11-29 02:19:28,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (113 of 225 remaining) [2023-11-29 02:19:28,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (112 of 225 remaining) [2023-11-29 02:19:28,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (111 of 225 remaining) [2023-11-29 02:19:28,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (110 of 225 remaining) [2023-11-29 02:19:28,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (109 of 225 remaining) [2023-11-29 02:19:28,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (108 of 225 remaining) [2023-11-29 02:19:28,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (107 of 225 remaining) [2023-11-29 02:19:28,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (106 of 225 remaining) [2023-11-29 02:19:28,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (105 of 225 remaining) [2023-11-29 02:19:28,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (104 of 225 remaining) [2023-11-29 02:19:28,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (103 of 225 remaining) [2023-11-29 02:19:28,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (102 of 225 remaining) [2023-11-29 02:19:28,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (101 of 225 remaining) [2023-11-29 02:19:28,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (100 of 225 remaining) [2023-11-29 02:19:28,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (99 of 225 remaining) [2023-11-29 02:19:28,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (98 of 225 remaining) [2023-11-29 02:19:28,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (97 of 225 remaining) [2023-11-29 02:19:28,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (96 of 225 remaining) [2023-11-29 02:19:28,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (95 of 225 remaining) [2023-11-29 02:19:28,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (94 of 225 remaining) [2023-11-29 02:19:28,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (93 of 225 remaining) [2023-11-29 02:19:28,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (92 of 225 remaining) [2023-11-29 02:19:28,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (91 of 225 remaining) [2023-11-29 02:19:28,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (90 of 225 remaining) [2023-11-29 02:19:28,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (89 of 225 remaining) [2023-11-29 02:19:28,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (88 of 225 remaining) [2023-11-29 02:19:28,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (87 of 225 remaining) [2023-11-29 02:19:28,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (86 of 225 remaining) [2023-11-29 02:19:28,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (85 of 225 remaining) [2023-11-29 02:19:28,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (84 of 225 remaining) [2023-11-29 02:19:28,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (83 of 225 remaining) [2023-11-29 02:19:28,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (82 of 225 remaining) [2023-11-29 02:19:28,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (81 of 225 remaining) [2023-11-29 02:19:28,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (80 of 225 remaining) [2023-11-29 02:19:28,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (79 of 225 remaining) [2023-11-29 02:19:28,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (78 of 225 remaining) [2023-11-29 02:19:28,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (77 of 225 remaining) [2023-11-29 02:19:28,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (76 of 225 remaining) [2023-11-29 02:19:28,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (75 of 225 remaining) [2023-11-29 02:19:28,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (74 of 225 remaining) [2023-11-29 02:19:28,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (73 of 225 remaining) [2023-11-29 02:19:28,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (72 of 225 remaining) [2023-11-29 02:19:28,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (71 of 225 remaining) [2023-11-29 02:19:28,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (70 of 225 remaining) [2023-11-29 02:19:28,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (69 of 225 remaining) [2023-11-29 02:19:28,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (68 of 225 remaining) [2023-11-29 02:19:28,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (67 of 225 remaining) [2023-11-29 02:19:28,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (66 of 225 remaining) [2023-11-29 02:19:28,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (65 of 225 remaining) [2023-11-29 02:19:28,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (64 of 225 remaining) [2023-11-29 02:19:28,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (63 of 225 remaining) [2023-11-29 02:19:28,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (62 of 225 remaining) [2023-11-29 02:19:28,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (61 of 225 remaining) [2023-11-29 02:19:28,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (60 of 225 remaining) [2023-11-29 02:19:28,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (59 of 225 remaining) [2023-11-29 02:19:28,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (58 of 225 remaining) [2023-11-29 02:19:28,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (57 of 225 remaining) [2023-11-29 02:19:28,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (56 of 225 remaining) [2023-11-29 02:19:28,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (55 of 225 remaining) [2023-11-29 02:19:28,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (54 of 225 remaining) [2023-11-29 02:19:28,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (53 of 225 remaining) [2023-11-29 02:19:28,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (52 of 225 remaining) [2023-11-29 02:19:28,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (51 of 225 remaining) [2023-11-29 02:19:28,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (50 of 225 remaining) [2023-11-29 02:19:28,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (49 of 225 remaining) [2023-11-29 02:19:28,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (48 of 225 remaining) [2023-11-29 02:19:28,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (47 of 225 remaining) [2023-11-29 02:19:28,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (46 of 225 remaining) [2023-11-29 02:19:28,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (45 of 225 remaining) [2023-11-29 02:19:28,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (44 of 225 remaining) [2023-11-29 02:19:28,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (43 of 225 remaining) [2023-11-29 02:19:28,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (42 of 225 remaining) [2023-11-29 02:19:28,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (41 of 225 remaining) [2023-11-29 02:19:28,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (40 of 225 remaining) [2023-11-29 02:19:28,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (39 of 225 remaining) [2023-11-29 02:19:28,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (38 of 225 remaining) [2023-11-29 02:19:28,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (37 of 225 remaining) [2023-11-29 02:19:28,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (36 of 225 remaining) [2023-11-29 02:19:28,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (35 of 225 remaining) [2023-11-29 02:19:28,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (34 of 225 remaining) [2023-11-29 02:19:28,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (33 of 225 remaining) [2023-11-29 02:19:28,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (32 of 225 remaining) [2023-11-29 02:19:28,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (31 of 225 remaining) [2023-11-29 02:19:28,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (30 of 225 remaining) [2023-11-29 02:19:28,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (29 of 225 remaining) [2023-11-29 02:19:28,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (28 of 225 remaining) [2023-11-29 02:19:28,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (27 of 225 remaining) [2023-11-29 02:19:28,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (26 of 225 remaining) [2023-11-29 02:19:28,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (25 of 225 remaining) [2023-11-29 02:19:28,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (24 of 225 remaining) [2023-11-29 02:19:28,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (23 of 225 remaining) [2023-11-29 02:19:28,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (22 of 225 remaining) [2023-11-29 02:19:28,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (21 of 225 remaining) [2023-11-29 02:19:28,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (20 of 225 remaining) [2023-11-29 02:19:28,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (19 of 225 remaining) [2023-11-29 02:19:28,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (18 of 225 remaining) [2023-11-29 02:19:28,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (17 of 225 remaining) [2023-11-29 02:19:28,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (16 of 225 remaining) [2023-11-29 02:19:28,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (15 of 225 remaining) [2023-11-29 02:19:28,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (14 of 225 remaining) [2023-11-29 02:19:28,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (13 of 225 remaining) [2023-11-29 02:19:28,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (12 of 225 remaining) [2023-11-29 02:19:28,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (11 of 225 remaining) [2023-11-29 02:19:28,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (10 of 225 remaining) [2023-11-29 02:19:28,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONDATA_RACE (9 of 225 remaining) [2023-11-29 02:19:28,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err24ASSERT_VIOLATIONDATA_RACE (8 of 225 remaining) [2023-11-29 02:19:28,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err25ASSERT_VIOLATIONDATA_RACE (7 of 225 remaining) [2023-11-29 02:19:28,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err26ASSERT_VIOLATIONDATA_RACE (6 of 225 remaining) [2023-11-29 02:19:28,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err27ASSERT_VIOLATIONDATA_RACE (5 of 225 remaining) [2023-11-29 02:19:28,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err28ASSERT_VIOLATIONDATA_RACE (4 of 225 remaining) [2023-11-29 02:19:28,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err29ASSERT_VIOLATIONDATA_RACE (3 of 225 remaining) [2023-11-29 02:19:28,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err30ASSERT_VIOLATIONDATA_RACE (2 of 225 remaining) [2023-11-29 02:19:28,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err31ASSERT_VIOLATIONDATA_RACE (1 of 225 remaining) [2023-11-29 02:19:28,648 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err32ASSERT_VIOLATIONDATA_RACE (0 of 225 remaining) [2023-11-29 02:19:28,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-11-29 02:19:28,648 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:19:28,655 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 02:19:28,655 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:19:28,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:19:28 BasicIcfg [2023-11-29 02:19:28,662 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:19:28,662 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:19:28,662 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:19:28,662 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:19:28,663 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:16:35" (3/4) ... [2023-11-29 02:19:28,664 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 02:19:28,667 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 02:19:28,667 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 02:19:28,667 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-29 02:19:28,680 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2023-11-29 02:19:28,681 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 02:19:28,682 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 02:19:28,683 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 02:19:28,797 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305fe88d-66b2-4be2-9c7c-118682ea9ff5/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 02:19:28,797 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305fe88d-66b2-4be2-9c7c-118682ea9ff5/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 02:19:28,797 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:19:28,798 INFO L158 Benchmark]: Toolchain (without parser) took 175974.68ms. Allocated memory was 151.0MB in the beginning and 10.7GB in the end (delta: 10.6GB). Free memory was 102.4MB in the beginning and 4.6GB in the end (delta: -4.5GB). Peak memory consumption was 6.1GB. Max. memory is 16.1GB. [2023-11-29 02:19:28,798 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:19:28,799 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.07ms. Allocated memory is still 151.0MB. Free memory was 102.1MB in the beginning and 86.5MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 02:19:28,799 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.43ms. Allocated memory is still 151.0MB. Free memory was 86.5MB in the beginning and 119.7MB in the end (delta: -33.2MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2023-11-29 02:19:28,799 INFO L158 Benchmark]: Boogie Preprocessor took 89.73ms. Allocated memory is still 151.0MB. Free memory was 119.7MB in the beginning and 114.4MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:19:28,799 INFO L158 Benchmark]: RCFGBuilder took 2126.72ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 114.0MB in the beginning and 106.5MB in the end (delta: 7.5MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2023-11-29 02:19:28,800 INFO L158 Benchmark]: TraceAbstraction took 173187.24ms. Allocated memory was 182.5MB in the beginning and 10.7GB in the end (delta: 10.5GB). Free memory was 106.5MB in the beginning and 4.6GB in the end (delta: -4.5GB). Peak memory consumption was 9.1GB. Max. memory is 16.1GB. [2023-11-29 02:19:28,800 INFO L158 Benchmark]: Witness Printer took 135.29ms. Allocated memory is still 10.7GB. Free memory was 4.6GB in the beginning and 4.6GB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 02:19:28,801 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.07ms. Allocated memory is still 151.0MB. Free memory was 102.1MB in the beginning and 86.5MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.43ms. Allocated memory is still 151.0MB. Free memory was 86.5MB in the beginning and 119.7MB in the end (delta: -33.2MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.73ms. Allocated memory is still 151.0MB. Free memory was 119.7MB in the beginning and 114.4MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2126.72ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 114.0MB in the beginning and 106.5MB in the end (delta: 7.5MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. * TraceAbstraction took 173187.24ms. Allocated memory was 182.5MB in the beginning and 10.7GB in the end (delta: 10.5GB). Free memory was 106.5MB in the beginning and 4.6GB in the end (delta: -4.5GB). Peak memory consumption was 9.1GB. Max. memory is 16.1GB. * Witness Printer took 135.29ms. Allocated memory is still 10.7GB. Free memory was 4.6GB in the beginning and 4.6GB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 123]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 124]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 1098 locations, 225 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 172.9s, OverallIterations: 49, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 161.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5005 SdHoareTripleChecker+Valid, 16.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2577 mSDsluCounter, 1572 SdHoareTripleChecker+Invalid, 15.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1207 mSDsCounter, 1563 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8897 IncrementalHoareTripleChecker+Invalid, 10460 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1563 mSolverCounterUnsat, 365 mSDtfsCounter, 8897 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 153 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1640occurred in iteration=0, InterpolantAutomatonStates: 184, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 11531 NumberOfCodeBlocks, 11531 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 11482 ConstructedInterpolants, 0 QuantifiedInterpolants, 13503 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 49 InterpolantComputations, 49 PerfectInterpolantSequences, 10/10 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 130 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 02:19:28,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305fe88d-66b2-4be2-9c7c-118682ea9ff5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE