./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6e70e6-d389-4677-9d6b-162ed10ffa06/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6e70e6-d389-4677-9d6b-162ed10ffa06/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6e70e6-d389-4677-9d6b-162ed10ffa06/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6e70e6-d389-4677-9d6b-162ed10ffa06/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6e70e6-d389-4677-9d6b-162ed10ffa06/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6e70e6-d389-4677-9d6b-162ed10ffa06/bin/uautomizer-verify-VRDe98Ueme --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 b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:43:43,614 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:43:43,686 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6e70e6-d389-4677-9d6b-162ed10ffa06/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:43:43,692 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:43:43,692 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:43:43,718 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:43:43,719 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:43:43,719 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:43:43,720 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:43:43,721 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:43:43,722 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:43:43,722 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:43:43,723 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:43:43,724 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:43:43,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:43:43,725 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:43:43,725 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:43:43,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:43:43,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:43:43,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:43:43,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:43:43,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:43:43,769 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:43:43,770 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:43:43,770 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:43:43,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:43:43,771 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:43:43,771 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:43:43,772 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:43:43,772 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:43:43,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:43:43,773 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:43:43,773 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:43:43,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:43:43,773 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:43:43,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:43:43,774 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:43:43,774 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:43:43,774 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:43:43,774 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:43:43,775 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:43:43,775 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_0a6e70e6-d389-4677-9d6b-162ed10ffa06/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6e70e6-d389-4677-9d6b-162ed10ffa06/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489 [2023-11-26 11:43:44,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:43:44,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:43:44,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:43:44,136 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:43:44,137 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:43:44,138 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6e70e6-d389-4677-9d6b-162ed10ffa06/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2023-11-26 11:43:47,330 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:43:47,603 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:43:47,604 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6e70e6-d389-4677-9d6b-162ed10ffa06/sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2023-11-26 11:43:47,619 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6e70e6-d389-4677-9d6b-162ed10ffa06/bin/uautomizer-verify-VRDe98Ueme/data/faa09006b/629a7329c37541668b87e84065b54663/FLAG28b82647a [2023-11-26 11:43:47,637 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6e70e6-d389-4677-9d6b-162ed10ffa06/bin/uautomizer-verify-VRDe98Ueme/data/faa09006b/629a7329c37541668b87e84065b54663 [2023-11-26 11:43:47,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:43:47,642 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:43:47,643 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:43:47,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:43:47,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:43:47,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:43:47" (1/1) ... [2023-11-26 11:43:47,652 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54971a76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:47, skipping insertion in model container [2023-11-26 11:43:47,652 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:43:47" (1/1) ... [2023-11-26 11:43:47,680 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:43:47,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:43:47,904 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:43:47,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:43:47,950 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:43:47,952 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:43:47,960 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:43:47,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:47 WrapperNode [2023-11-26 11:43:47,961 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:43:47,962 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:43:47,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:43:47,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:43:47,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:47" (1/1) ... [2023-11-26 11:43:47,983 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:47" (1/1) ... [2023-11-26 11:43:48,018 INFO L138 Inliner]: procedures = 23, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 180 [2023-11-26 11:43:48,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:43:48,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:43:48,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:43:48,020 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:43:48,033 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:47" (1/1) ... [2023-11-26 11:43:48,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:47" (1/1) ... [2023-11-26 11:43:48,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:47" (1/1) ... [2023-11-26 11:43:48,055 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:47" (1/1) ... [2023-11-26 11:43:48,068 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:47" (1/1) ... [2023-11-26 11:43:48,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:47" (1/1) ... [2023-11-26 11:43:48,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:47" (1/1) ... [2023-11-26 11:43:48,103 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:47" (1/1) ... [2023-11-26 11:43:48,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:43:48,109 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:43:48,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:43:48,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:43:48,110 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:47" (1/1) ... [2023-11-26 11:43:48,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:43:48,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6e70e6-d389-4677-9d6b-162ed10ffa06/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:43:48,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6e70e6-d389-4677-9d6b-162ed10ffa06/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:43:48,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6e70e6-d389-4677-9d6b-162ed10ffa06/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:43:48,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:43:48,233 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-26 11:43:48,234 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-26 11:43:48,234 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-26 11:43:48,234 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-26 11:43:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-26 11:43:48,236 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-26 11:43:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-26 11:43:48,236 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-26 11:43:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:43:48,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:43:48,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:43:48,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 11:43:48,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 11:43:48,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:43:48,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:43:48,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 11:43:48,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:43:48,242 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 11:43:48,413 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:43:48,415 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:43:48,868 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:43:49,006 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:43:49,006 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-26 11:43:49,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:43:49 BoogieIcfgContainer [2023-11-26 11:43:49,008 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:43:49,011 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:43:49,011 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:43:49,015 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:43:49,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:43:47" (1/3) ... [2023-11-26 11:43:49,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f0f5dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:43:49, skipping insertion in model container [2023-11-26 11:43:49,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:47" (2/3) ... [2023-11-26 11:43:49,017 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f0f5dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:43:49, skipping insertion in model container [2023-11-26 11:43:49,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:43:49" (3/3) ... [2023-11-26 11:43:49,018 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-4.wvr.c [2023-11-26 11:43:49,033 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:43:49,042 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:43:49,043 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2023-11-26 11:43:49,043 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:43:49,154 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-26 11:43:49,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 210 places, 207 transitions, 442 flow [2023-11-26 11:43:49,314 INFO L124 PetriNetUnfolderBase]: 10/203 cut-off events. [2023-11-26 11:43:49,314 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-26 11:43:49,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 220 conditions, 203 events. 10/203 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 255 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 124. Up to 2 conditions per place. [2023-11-26 11:43:49,323 INFO L82 GeneralOperation]: Start removeDead. Operand has 210 places, 207 transitions, 442 flow [2023-11-26 11:43:49,331 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 182 places, 178 transitions, 380 flow [2023-11-26 11:43:49,349 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:43:49,364 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;@1df2bf12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:43:49,365 INFO L358 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2023-11-26 11:43:49,378 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:43:49,379 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2023-11-26 11:43:49,380 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:43:49,381 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:43:49,382 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] [2023-11-26 11:43:49,383 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-26 11:43:49,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:43:49,389 INFO L85 PathProgramCache]: Analyzing trace with hash -108425781, now seen corresponding path program 1 times [2023-11-26 11:43:49,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:43:49,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966731991] [2023-11-26 11:43:49,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:43:49,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:43:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:43:49,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:43:49,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:43:49,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966731991] [2023-11-26 11:43:49,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966731991] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:43:49,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:43:49,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:43:49,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848674038] [2023-11-26 11:43:49,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:43:49,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:43:49,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:43:49,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:43:49,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:43:49,803 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 207 [2023-11-26 11:43:49,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 178 transitions, 380 flow. Second operand has 3 states, 3 states have (on average 164.33333333333334) internal successors, (493), 3 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:49,808 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:43:49,809 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 207 [2023-11-26 11:43:49,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:43:50,296 INFO L124 PetriNetUnfolderBase]: 399/1435 cut-off events. [2023-11-26 11:43:50,296 INFO L125 PetriNetUnfolderBase]: For 160/172 co-relation queries the response was YES. [2023-11-26 11:43:50,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2121 conditions, 1435 events. 399/1435 cut-off events. For 160/172 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 9824 event pairs, 272 based on Foata normal form. 1/1256 useless extension candidates. Maximal degree in co-relation 1878. Up to 559 conditions per place. [2023-11-26 11:43:50,331 INFO L140 encePairwiseOnDemand]: 185/207 looper letters, 19 selfloop transitions, 2 changer transitions 1/158 dead transitions. [2023-11-26 11:43:50,331 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 158 transitions, 382 flow [2023-11-26 11:43:50,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:43:50,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:43:50,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 530 transitions. [2023-11-26 11:43:50,355 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8534621578099839 [2023-11-26 11:43:50,356 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 530 transitions. [2023-11-26 11:43:50,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 530 transitions. [2023-11-26 11:43:50,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:43:50,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 530 transitions. [2023-11-26 11:43:50,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:50,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:50,382 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:50,385 INFO L175 Difference]: Start difference. First operand has 182 places, 178 transitions, 380 flow. Second operand 3 states and 530 transitions. [2023-11-26 11:43:50,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 158 transitions, 382 flow [2023-11-26 11:43:50,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 158 transitions, 366 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-11-26 11:43:50,401 INFO L231 Difference]: Finished difference. Result has 161 places, 157 transitions, 326 flow [2023-11-26 11:43:50,404 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=161, PETRI_TRANSITIONS=157} [2023-11-26 11:43:50,410 INFO L281 CegarLoopForPetriNet]: 182 programPoint places, -21 predicate places. [2023-11-26 11:43:50,411 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 157 transitions, 326 flow [2023-11-26 11:43:50,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.33333333333334) internal successors, (493), 3 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:50,412 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:43:50,413 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:43:50,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:43:50,414 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-26 11:43:50,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:43:50,416 INFO L85 PathProgramCache]: Analyzing trace with hash -406462198, now seen corresponding path program 1 times [2023-11-26 11:43:50,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:43:50,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658126424] [2023-11-26 11:43:50,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:43:50,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:43:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:43:50,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:43:50,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:43:50,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658126424] [2023-11-26 11:43:50,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658126424] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:43:50,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:43:50,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:43:50,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719370054] [2023-11-26 11:43:50,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:43:50,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:43:50,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:43:50,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:43:50,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:43:50,562 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 207 [2023-11-26 11:43:50,563 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 157 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:50,563 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:43:50,563 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 207 [2023-11-26 11:43:50,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:43:50,741 INFO L124 PetriNetUnfolderBase]: 93/613 cut-off events. [2023-11-26 11:43:50,742 INFO L125 PetriNetUnfolderBase]: For 24/26 co-relation queries the response was YES. [2023-11-26 11:43:50,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 765 conditions, 613 events. 93/613 cut-off events. For 24/26 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3070 event pairs, 51 based on Foata normal form. 0/538 useless extension candidates. Maximal degree in co-relation 737. Up to 131 conditions per place. [2023-11-26 11:43:50,753 INFO L140 encePairwiseOnDemand]: 204/207 looper letters, 16 selfloop transitions, 2 changer transitions 0/156 dead transitions. [2023-11-26 11:43:50,753 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 156 transitions, 360 flow [2023-11-26 11:43:50,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:43:50,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:43:50,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 517 transitions. [2023-11-26 11:43:50,756 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8325281803542673 [2023-11-26 11:43:50,757 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 517 transitions. [2023-11-26 11:43:50,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 517 transitions. [2023-11-26 11:43:50,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:43:50,759 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 517 transitions. [2023-11-26 11:43:50,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:50,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:50,766 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:50,766 INFO L175 Difference]: Start difference. First operand has 161 places, 157 transitions, 326 flow. Second operand 3 states and 517 transitions. [2023-11-26 11:43:50,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 156 transitions, 360 flow [2023-11-26 11:43:50,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 156 transitions, 356 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:43:50,776 INFO L231 Difference]: Finished difference. Result has 159 places, 156 transitions, 324 flow [2023-11-26 11:43:50,779 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=324, PETRI_PLACES=159, PETRI_TRANSITIONS=156} [2023-11-26 11:43:50,780 INFO L281 CegarLoopForPetriNet]: 182 programPoint places, -23 predicate places. [2023-11-26 11:43:50,781 INFO L495 AbstractCegarLoop]: Abstraction has has 159 places, 156 transitions, 324 flow [2023-11-26 11:43:50,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:50,782 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:43:50,782 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:43:50,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:43:50,784 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-26 11:43:50,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:43:50,791 INFO L85 PathProgramCache]: Analyzing trace with hash -512636740, now seen corresponding path program 1 times [2023-11-26 11:43:50,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:43:50,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184916755] [2023-11-26 11:43:50,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:43:50,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:43:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:43:50,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:43:50,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:43:50,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184916755] [2023-11-26 11:43:50,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184916755] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:43:50,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:43:50,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:43:50,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872260002] [2023-11-26 11:43:50,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:43:50,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:43:50,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:43:50,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:43:50,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:43:50,932 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 207 [2023-11-26 11:43:50,933 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 156 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:50,934 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:43:50,934 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 207 [2023-11-26 11:43:50,934 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:43:51,106 INFO L124 PetriNetUnfolderBase]: 93/612 cut-off events. [2023-11-26 11:43:51,106 INFO L125 PetriNetUnfolderBase]: For 25/27 co-relation queries the response was YES. [2023-11-26 11:43:51,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 761 conditions, 612 events. 93/612 cut-off events. For 25/27 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3078 event pairs, 51 based on Foata normal form. 0/538 useless extension candidates. Maximal degree in co-relation 726. Up to 128 conditions per place. [2023-11-26 11:43:51,115 INFO L140 encePairwiseOnDemand]: 205/207 looper letters, 14 selfloop transitions, 1 changer transitions 0/155 dead transitions. [2023-11-26 11:43:51,115 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 155 transitions, 352 flow [2023-11-26 11:43:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:43:51,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:43:51,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 526 transitions. [2023-11-26 11:43:51,118 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8470209339774557 [2023-11-26 11:43:51,119 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 526 transitions. [2023-11-26 11:43:51,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 526 transitions. [2023-11-26 11:43:51,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:43:51,120 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 526 transitions. [2023-11-26 11:43:51,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:51,124 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:51,125 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:51,126 INFO L175 Difference]: Start difference. First operand has 159 places, 156 transitions, 324 flow. Second operand 3 states and 526 transitions. [2023-11-26 11:43:51,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 155 transitions, 352 flow [2023-11-26 11:43:51,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 155 transitions, 348 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:43:51,135 INFO L231 Difference]: Finished difference. Result has 158 places, 155 transitions, 320 flow [2023-11-26 11:43:51,135 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=320, PETRI_PLACES=158, PETRI_TRANSITIONS=155} [2023-11-26 11:43:51,137 INFO L281 CegarLoopForPetriNet]: 182 programPoint places, -24 predicate places. [2023-11-26 11:43:51,137 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 155 transitions, 320 flow [2023-11-26 11:43:51,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:51,139 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:43:51,139 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:43:51,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:43:51,139 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-26 11:43:51,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:43:51,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1568729159, now seen corresponding path program 1 times [2023-11-26 11:43:51,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:43:51,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120307030] [2023-11-26 11:43:51,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:43:51,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:43:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:43:51,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:43:51,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:43:51,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120307030] [2023-11-26 11:43:51,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120307030] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:43:51,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:43:51,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:43:51,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888170814] [2023-11-26 11:43:51,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:43:51,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:43:51,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:43:51,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:43:51,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:43:51,267 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 207 [2023-11-26 11:43:51,269 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 155 transitions, 320 flow. Second operand has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:51,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:43:51,270 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 207 [2023-11-26 11:43:51,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:43:51,925 INFO L124 PetriNetUnfolderBase]: 1225/3149 cut-off events. [2023-11-26 11:43:51,925 INFO L125 PetriNetUnfolderBase]: For 85/119 co-relation queries the response was YES. [2023-11-26 11:43:51,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4889 conditions, 3149 events. 1225/3149 cut-off events. For 85/119 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 24899 event pairs, 672 based on Foata normal form. 1/2911 useless extension candidates. Maximal degree in co-relation 4854. Up to 1646 conditions per place. [2023-11-26 11:43:52,006 INFO L140 encePairwiseOnDemand]: 199/207 looper letters, 24 selfloop transitions, 4 changer transitions 0/158 dead transitions. [2023-11-26 11:43:52,006 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 158 transitions, 385 flow [2023-11-26 11:43:52,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:43:52,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:43:52,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 515 transitions. [2023-11-26 11:43:52,009 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8293075684380032 [2023-11-26 11:43:52,010 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 515 transitions. [2023-11-26 11:43:52,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 515 transitions. [2023-11-26 11:43:52,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:43:52,011 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 515 transitions. [2023-11-26 11:43:52,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 171.66666666666666) internal successors, (515), 3 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:52,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:52,017 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:52,017 INFO L175 Difference]: Start difference. First operand has 158 places, 155 transitions, 320 flow. Second operand 3 states and 515 transitions. [2023-11-26 11:43:52,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 158 transitions, 385 flow [2023-11-26 11:43:52,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 158 transitions, 384 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:43:52,022 INFO L231 Difference]: Finished difference. Result has 156 places, 155 transitions, 339 flow [2023-11-26 11:43:52,023 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=311, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=339, PETRI_PLACES=156, PETRI_TRANSITIONS=155} [2023-11-26 11:43:52,025 INFO L281 CegarLoopForPetriNet]: 182 programPoint places, -26 predicate places. [2023-11-26 11:43:52,025 INFO L495 AbstractCegarLoop]: Abstraction has has 156 places, 155 transitions, 339 flow [2023-11-26 11:43:52,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:52,026 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:43:52,027 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] [2023-11-26 11:43:52,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:43:52,028 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-26 11:43:52,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:43:52,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1205171195, now seen corresponding path program 1 times [2023-11-26 11:43:52,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:43:52,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36117271] [2023-11-26 11:43:52,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:43:52,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:43:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:43:52,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:43:52,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:43:52,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36117271] [2023-11-26 11:43:52,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36117271] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:43:52,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:43:52,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:43:52,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686079028] [2023-11-26 11:43:52,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:43:52,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:43:52,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:43:52,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:43:52,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:43:53,153 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 207 [2023-11-26 11:43:53,156 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 155 transitions, 339 flow. Second operand has 6 states, 6 states have (on average 165.83333333333334) internal successors, (995), 6 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:53,156 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:43:53,156 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 207 [2023-11-26 11:43:53,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:43:53,357 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([631] L62-7-->L62-2: Formula: (= |v_#race~N~0_7| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_7|} AuxVars[] AssignedVars[#race~N~0][86], [34#L62-2true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 85#L51-2true, 230#true, 223#(= |#race~c~0| 0), 89#L93-4true]) [2023-11-26 11:43:53,357 INFO L294 olderBase$Statistics]: this new event has 76 ancestors and is cut-off event [2023-11-26 11:43:53,358 INFO L297 olderBase$Statistics]: existing Event has 62 ancestors and is cut-off event [2023-11-26 11:43:53,358 INFO L297 olderBase$Statistics]: existing Event has 69 ancestors and is cut-off event [2023-11-26 11:43:53,358 INFO L297 olderBase$Statistics]: existing Event has 69 ancestors and is cut-off event [2023-11-26 11:43:53,452 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [42#$Ultimate##0true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 85#L51-2true, 6#L72-2true, 7#L94-4true, 230#true, 223#(= |#race~c~0| 0)]) [2023-11-26 11:43:53,452 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-26 11:43:53,452 INFO L297 olderBase$Statistics]: existing Event has 68 ancestors and is cut-off event [2023-11-26 11:43:53,453 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-26 11:43:53,453 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-26 11:43:53,457 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [34#L62-2true, 227#(= |#race~N~0| 0), 18#$Ultimate##0true, 200#L41-2true, Black: 225#true, 6#L72-2true, 7#L94-4true, 230#true, 223#(= |#race~c~0| 0)]) [2023-11-26 11:43:53,457 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-26 11:43:53,457 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-26 11:43:53,457 INFO L297 olderBase$Statistics]: existing Event has 68 ancestors and is cut-off event [2023-11-26 11:43:53,458 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-26 11:43:53,503 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [34#L62-2true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 85#L51-2true, 6#L72-2true, 7#L94-4true, 230#true, 223#(= |#race~c~0| 0)]) [2023-11-26 11:43:53,503 INFO L294 olderBase$Statistics]: this new event has 85 ancestors and is cut-off event [2023-11-26 11:43:53,503 INFO L297 olderBase$Statistics]: existing Event has 71 ancestors and is cut-off event [2023-11-26 11:43:53,504 INFO L297 olderBase$Statistics]: existing Event has 78 ancestors and is cut-off event [2023-11-26 11:43:53,504 INFO L297 olderBase$Statistics]: existing Event has 78 ancestors and is cut-off event [2023-11-26 11:43:53,685 INFO L124 PetriNetUnfolderBase]: 775/1907 cut-off events. [2023-11-26 11:43:53,686 INFO L125 PetriNetUnfolderBase]: For 23/57 co-relation queries the response was YES. [2023-11-26 11:43:53,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3085 conditions, 1907 events. 775/1907 cut-off events. For 23/57 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 13021 event pairs, 97 based on Foata normal form. 17/1721 useless extension candidates. Maximal degree in co-relation 3049. Up to 394 conditions per place. [2023-11-26 11:43:53,716 INFO L140 encePairwiseOnDemand]: 202/207 looper letters, 31 selfloop transitions, 4 changer transitions 0/170 dead transitions. [2023-11-26 11:43:53,716 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 170 transitions, 439 flow [2023-11-26 11:43:53,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:43:53,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:43:53,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1020 transitions. [2023-11-26 11:43:53,720 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.821256038647343 [2023-11-26 11:43:53,721 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1020 transitions. [2023-11-26 11:43:53,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1020 transitions. [2023-11-26 11:43:53,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:43:53,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1020 transitions. [2023-11-26 11:43:53,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 170.0) internal successors, (1020), 6 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:53,729 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:53,731 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:53,731 INFO L175 Difference]: Start difference. First operand has 156 places, 155 transitions, 339 flow. Second operand 6 states and 1020 transitions. [2023-11-26 11:43:53,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 170 transitions, 439 flow [2023-11-26 11:43:53,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 170 transitions, 439 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:43:53,736 INFO L231 Difference]: Finished difference. Result has 160 places, 154 transitions, 345 flow [2023-11-26 11:43:53,737 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=345, PETRI_PLACES=160, PETRI_TRANSITIONS=154} [2023-11-26 11:43:53,739 INFO L281 CegarLoopForPetriNet]: 182 programPoint places, -22 predicate places. [2023-11-26 11:43:53,740 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 154 transitions, 345 flow [2023-11-26 11:43:53,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 165.83333333333334) internal successors, (995), 6 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:53,741 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:43:53,741 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] [2023-11-26 11:43:53,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:43:53,742 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-26 11:43:53,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:43:53,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1337433226, now seen corresponding path program 1 times [2023-11-26 11:43:53,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:43:53,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493954578] [2023-11-26 11:43:53,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:43:53,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:43:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:43:54,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:43:54,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:43:54,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493954578] [2023-11-26 11:43:54,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493954578] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:43:54,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:43:54,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:43:54,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912801488] [2023-11-26 11:43:54,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:43:54,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:43:54,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:43:54,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:43:54,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:43:54,637 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 207 [2023-11-26 11:43:54,639 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 154 transitions, 345 flow. Second operand has 6 states, 6 states have (on average 166.0) internal successors, (996), 6 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:54,639 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:43:54,639 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 207 [2023-11-26 11:43:54,639 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:43:54,734 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([631] L62-7-->L62-2: Formula: (= |v_#race~N~0_7| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_7|} AuxVars[] AssignedVars[#race~N~0][86], [34#L62-2true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 85#L51-2true, 230#true, 223#(= |#race~c~0| 0), 237#true, 89#L93-4true]) [2023-11-26 11:43:54,735 INFO L294 olderBase$Statistics]: this new event has 76 ancestors and is cut-off event [2023-11-26 11:43:54,735 INFO L297 olderBase$Statistics]: existing Event has 62 ancestors and is cut-off event [2023-11-26 11:43:54,735 INFO L297 olderBase$Statistics]: existing Event has 69 ancestors and is cut-off event [2023-11-26 11:43:54,735 INFO L297 olderBase$Statistics]: existing Event has 69 ancestors and is cut-off event [2023-11-26 11:43:54,773 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [42#$Ultimate##0true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 85#L51-2true, 6#L72-2true, 7#L94-4true, 230#true, 223#(= |#race~c~0| 0), 237#true]) [2023-11-26 11:43:54,773 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-26 11:43:54,774 INFO L297 olderBase$Statistics]: existing Event has 68 ancestors and is cut-off event [2023-11-26 11:43:54,774 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-26 11:43:54,774 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-26 11:43:54,776 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [34#L62-2true, 227#(= |#race~N~0| 0), 18#$Ultimate##0true, 200#L41-2true, Black: 225#true, 6#L72-2true, 7#L94-4true, 230#true, 223#(= |#race~c~0| 0), 237#true]) [2023-11-26 11:43:54,776 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-26 11:43:54,776 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-26 11:43:54,776 INFO L297 olderBase$Statistics]: existing Event has 68 ancestors and is cut-off event [2023-11-26 11:43:54,777 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-26 11:43:54,816 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [34#L62-2true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 85#L51-2true, 7#L94-4true, 6#L72-2true, 230#true, 223#(= |#race~c~0| 0), 237#true]) [2023-11-26 11:43:54,817 INFO L294 olderBase$Statistics]: this new event has 85 ancestors and is cut-off event [2023-11-26 11:43:54,817 INFO L297 olderBase$Statistics]: existing Event has 78 ancestors and is cut-off event [2023-11-26 11:43:54,817 INFO L297 olderBase$Statistics]: existing Event has 71 ancestors and is cut-off event [2023-11-26 11:43:54,817 INFO L297 olderBase$Statistics]: existing Event has 78 ancestors and is cut-off event [2023-11-26 11:43:54,939 INFO L124 PetriNetUnfolderBase]: 443/1359 cut-off events. [2023-11-26 11:43:54,939 INFO L125 PetriNetUnfolderBase]: For 25/36 co-relation queries the response was YES. [2023-11-26 11:43:54,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2097 conditions, 1359 events. 443/1359 cut-off events. For 25/36 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 8655 event pairs, 117 based on Foata normal form. 4/1208 useless extension candidates. Maximal degree in co-relation 2060. Up to 207 conditions per place. [2023-11-26 11:43:54,954 INFO L140 encePairwiseOnDemand]: 202/207 looper letters, 27 selfloop transitions, 4 changer transitions 0/165 dead transitions. [2023-11-26 11:43:54,955 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 165 transitions, 429 flow [2023-11-26 11:43:54,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:43:54,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:43:54,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1016 transitions. [2023-11-26 11:43:54,959 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8180354267310789 [2023-11-26 11:43:54,959 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1016 transitions. [2023-11-26 11:43:54,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1016 transitions. [2023-11-26 11:43:54,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:43:54,960 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1016 transitions. [2023-11-26 11:43:54,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 169.33333333333334) internal successors, (1016), 6 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:54,967 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:54,968 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:54,968 INFO L175 Difference]: Start difference. First operand has 160 places, 154 transitions, 345 flow. Second operand 6 states and 1016 transitions. [2023-11-26 11:43:54,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 165 transitions, 429 flow [2023-11-26 11:43:54,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 165 transitions, 422 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:43:54,974 INFO L231 Difference]: Finished difference. Result has 160 places, 153 transitions, 344 flow [2023-11-26 11:43:54,974 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=344, PETRI_PLACES=160, PETRI_TRANSITIONS=153} [2023-11-26 11:43:54,975 INFO L281 CegarLoopForPetriNet]: 182 programPoint places, -22 predicate places. [2023-11-26 11:43:54,975 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 153 transitions, 344 flow [2023-11-26 11:43:54,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 166.0) internal successors, (996), 6 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:54,976 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:43:54,977 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:43:54,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 11:43:54,977 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-26 11:43:54,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:43:54,978 INFO L85 PathProgramCache]: Analyzing trace with hash 2072884965, now seen corresponding path program 1 times [2023-11-26 11:43:54,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:43:54,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979505340] [2023-11-26 11:43:54,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:43:54,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:43:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:43:55,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:43:55,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:43:55,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979505340] [2023-11-26 11:43:55,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979505340] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:43:55,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:43:55,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:43:55,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856137536] [2023-11-26 11:43:55,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:43:55,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:43:55,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:43:55,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:43:55,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:43:55,915 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 207 [2023-11-26 11:43:55,916 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 153 transitions, 344 flow. Second operand has 6 states, 6 states have (on average 166.16666666666666) internal successors, (997), 6 states have internal predecessors, (997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:55,917 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:43:55,917 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 207 [2023-11-26 11:43:55,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:43:56,018 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([631] L62-7-->L62-2: Formula: (= |v_#race~N~0_7| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_7|} AuxVars[] AssignedVars[#race~N~0][86], [34#L62-2true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 85#L51-2true, 244#true, 223#(= |#race~c~0| 0), 237#true, 89#L93-4true]) [2023-11-26 11:43:56,019 INFO L294 olderBase$Statistics]: this new event has 76 ancestors and is cut-off event [2023-11-26 11:43:56,019 INFO L297 olderBase$Statistics]: existing Event has 62 ancestors and is cut-off event [2023-11-26 11:43:56,019 INFO L297 olderBase$Statistics]: existing Event has 69 ancestors and is cut-off event [2023-11-26 11:43:56,019 INFO L297 olderBase$Statistics]: existing Event has 69 ancestors and is cut-off event [2023-11-26 11:43:56,056 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [42#$Ultimate##0true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 85#L51-2true, 6#L72-2true, 7#L94-4true, 244#true, 223#(= |#race~c~0| 0), 237#true]) [2023-11-26 11:43:56,057 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-26 11:43:56,057 INFO L297 olderBase$Statistics]: existing Event has 68 ancestors and is cut-off event [2023-11-26 11:43:56,057 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-26 11:43:56,057 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-26 11:43:56,059 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [34#L62-2true, 227#(= |#race~N~0| 0), 18#$Ultimate##0true, 200#L41-2true, Black: 225#true, 6#L72-2true, 7#L94-4true, 244#true, 223#(= |#race~c~0| 0), 237#true]) [2023-11-26 11:43:56,059 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-26 11:43:56,059 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-26 11:43:56,060 INFO L297 olderBase$Statistics]: existing Event has 68 ancestors and is cut-off event [2023-11-26 11:43:56,060 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-26 11:43:56,072 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [34#L62-2true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 85#L51-2true, 6#L72-2true, 7#L94-4true, 244#true, 223#(= |#race~c~0| 0), 237#true]) [2023-11-26 11:43:56,073 INFO L294 olderBase$Statistics]: this new event has 85 ancestors and is cut-off event [2023-11-26 11:43:56,073 INFO L297 olderBase$Statistics]: existing Event has 78 ancestors and is cut-off event [2023-11-26 11:43:56,073 INFO L297 olderBase$Statistics]: existing Event has 71 ancestors and is cut-off event [2023-11-26 11:43:56,073 INFO L297 olderBase$Statistics]: existing Event has 78 ancestors and is cut-off event [2023-11-26 11:43:56,168 INFO L124 PetriNetUnfolderBase]: 311/1180 cut-off events. [2023-11-26 11:43:56,168 INFO L125 PetriNetUnfolderBase]: For 33/46 co-relation queries the response was YES. [2023-11-26 11:43:56,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1725 conditions, 1180 events. 311/1180 cut-off events. For 33/46 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 7491 event pairs, 122 based on Foata normal form. 4/1061 useless extension candidates. Maximal degree in co-relation 1688. Up to 225 conditions per place. [2023-11-26 11:43:56,184 INFO L140 encePairwiseOnDemand]: 202/207 looper letters, 23 selfloop transitions, 4 changer transitions 0/160 dead transitions. [2023-11-26 11:43:56,184 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 160 transitions, 412 flow [2023-11-26 11:43:56,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:43:56,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:43:56,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1012 transitions. [2023-11-26 11:43:56,189 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8148148148148148 [2023-11-26 11:43:56,189 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1012 transitions. [2023-11-26 11:43:56,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1012 transitions. [2023-11-26 11:43:56,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:43:56,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1012 transitions. [2023-11-26 11:43:56,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 168.66666666666666) internal successors, (1012), 6 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:56,197 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:56,198 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:56,198 INFO L175 Difference]: Start difference. First operand has 160 places, 153 transitions, 344 flow. Second operand 6 states and 1012 transitions. [2023-11-26 11:43:56,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 160 transitions, 412 flow [2023-11-26 11:43:56,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 160 transitions, 405 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:43:56,203 INFO L231 Difference]: Finished difference. Result has 160 places, 152 transitions, 343 flow [2023-11-26 11:43:56,204 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=343, PETRI_PLACES=160, PETRI_TRANSITIONS=152} [2023-11-26 11:43:56,205 INFO L281 CegarLoopForPetriNet]: 182 programPoint places, -22 predicate places. [2023-11-26 11:43:56,205 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 152 transitions, 343 flow [2023-11-26 11:43:56,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 166.16666666666666) internal successors, (997), 6 states have internal predecessors, (997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:56,206 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:43:56,206 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:43:56,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 11:43:56,207 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-26 11:43:56,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:43:56,207 INFO L85 PathProgramCache]: Analyzing trace with hash -289049991, now seen corresponding path program 1 times [2023-11-26 11:43:56,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:43:56,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107158853] [2023-11-26 11:43:56,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:43:56,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:43:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:43:56,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:43:56,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:43:56,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107158853] [2023-11-26 11:43:56,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107158853] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:43:56,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:43:56,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:43:56,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361586324] [2023-11-26 11:43:56,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:43:56,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:43:56,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:43:56,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:43:56,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:43:57,192 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 207 [2023-11-26 11:43:57,194 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 152 transitions, 343 flow. Second operand has 6 states, 6 states have (on average 166.33333333333334) internal successors, (998), 6 states have internal predecessors, (998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:57,194 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:43:57,194 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 207 [2023-11-26 11:43:57,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:43:57,275 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([631] L62-7-->L62-2: Formula: (= |v_#race~N~0_7| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_7|} AuxVars[] AssignedVars[#race~N~0][86], [34#L62-2true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 251#true, 85#L51-2true, 244#true, 223#(= |#race~c~0| 0), 89#L93-4true]) [2023-11-26 11:43:57,275 INFO L294 olderBase$Statistics]: this new event has 76 ancestors and is cut-off event [2023-11-26 11:43:57,276 INFO L297 olderBase$Statistics]: existing Event has 62 ancestors and is cut-off event [2023-11-26 11:43:57,276 INFO L297 olderBase$Statistics]: existing Event has 69 ancestors and is cut-off event [2023-11-26 11:43:57,276 INFO L297 olderBase$Statistics]: existing Event has 69 ancestors and is cut-off event [2023-11-26 11:43:57,337 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [42#$Ultimate##0true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 85#L51-2true, 251#true, 6#L72-2true, 244#true, 7#L94-4true, 223#(= |#race~c~0| 0)]) [2023-11-26 11:43:57,337 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-26 11:43:57,337 INFO L297 olderBase$Statistics]: existing Event has 68 ancestors and is cut-off event [2023-11-26 11:43:57,337 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-26 11:43:57,338 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-26 11:43:57,339 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [34#L62-2true, 227#(= |#race~N~0| 0), 18#$Ultimate##0true, 200#L41-2true, Black: 225#true, 251#true, 244#true, 6#L72-2true, 7#L94-4true, 223#(= |#race~c~0| 0)]) [2023-11-26 11:43:57,339 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-26 11:43:57,340 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-26 11:43:57,340 INFO L297 olderBase$Statistics]: existing Event has 68 ancestors and is cut-off event [2023-11-26 11:43:57,340 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-26 11:43:57,351 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [34#L62-2true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 85#L51-2true, 251#true, 244#true, 6#L72-2true, 7#L94-4true, 223#(= |#race~c~0| 0)]) [2023-11-26 11:43:57,351 INFO L294 olderBase$Statistics]: this new event has 85 ancestors and is cut-off event [2023-11-26 11:43:57,352 INFO L297 olderBase$Statistics]: existing Event has 78 ancestors and is cut-off event [2023-11-26 11:43:57,352 INFO L297 olderBase$Statistics]: existing Event has 71 ancestors and is cut-off event [2023-11-26 11:43:57,352 INFO L297 olderBase$Statistics]: existing Event has 78 ancestors and is cut-off event [2023-11-26 11:43:57,424 INFO L124 PetriNetUnfolderBase]: 282/1134 cut-off events. [2023-11-26 11:43:57,424 INFO L125 PetriNetUnfolderBase]: For 36/41 co-relation queries the response was YES. [2023-11-26 11:43:57,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1622 conditions, 1134 events. 282/1134 cut-off events. For 36/41 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 7225 event pairs, 123 based on Foata normal form. 0/1012 useless extension candidates. Maximal degree in co-relation 1585. Up to 231 conditions per place. [2023-11-26 11:43:57,436 INFO L140 encePairwiseOnDemand]: 202/207 looper letters, 19 selfloop transitions, 4 changer transitions 0/155 dead transitions. [2023-11-26 11:43:57,436 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 155 transitions, 395 flow [2023-11-26 11:43:57,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:43:57,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:43:57,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1008 transitions. [2023-11-26 11:43:57,441 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8115942028985508 [2023-11-26 11:43:57,441 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1008 transitions. [2023-11-26 11:43:57,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1008 transitions. [2023-11-26 11:43:57,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:43:57,442 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1008 transitions. [2023-11-26 11:43:57,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 168.0) internal successors, (1008), 6 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:57,451 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:57,452 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:57,452 INFO L175 Difference]: Start difference. First operand has 160 places, 152 transitions, 343 flow. Second operand 6 states and 1008 transitions. [2023-11-26 11:43:57,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 155 transitions, 395 flow [2023-11-26 11:43:57,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 155 transitions, 388 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:43:57,457 INFO L231 Difference]: Finished difference. Result has 160 places, 151 transitions, 342 flow [2023-11-26 11:43:57,458 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=342, PETRI_PLACES=160, PETRI_TRANSITIONS=151} [2023-11-26 11:43:57,460 INFO L281 CegarLoopForPetriNet]: 182 programPoint places, -22 predicate places. [2023-11-26 11:43:57,461 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 151 transitions, 342 flow [2023-11-26 11:43:57,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 166.33333333333334) internal successors, (998), 6 states have internal predecessors, (998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:57,462 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:43:57,462 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] [2023-11-26 11:43:57,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 11:43:57,462 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-26 11:43:57,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:43:57,463 INFO L85 PathProgramCache]: Analyzing trace with hash -335791496, now seen corresponding path program 1 times [2023-11-26 11:43:57,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:43:57,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635105322] [2023-11-26 11:43:57,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:43:57,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:43:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:43:57,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:43:57,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:43:57,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635105322] [2023-11-26 11:43:57,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635105322] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:43:57,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:43:57,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:43:57,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760478609] [2023-11-26 11:43:57,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:43:57,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:43:57,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:43:57,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:43:57,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:43:57,562 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 207 [2023-11-26 11:43:57,563 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 151 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:57,563 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:43:57,564 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 207 [2023-11-26 11:43:57,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:43:57,635 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([631] L62-7-->L62-2: Formula: (= |v_#race~N~0_7| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_7|} AuxVars[] AssignedVars[#race~N~0][86], [34#L62-2true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 251#true, 85#L51-2true, 223#(= |#race~c~0| 0), 89#L93-4true, 258#true]) [2023-11-26 11:43:57,635 INFO L294 olderBase$Statistics]: this new event has 76 ancestors and is cut-off event [2023-11-26 11:43:57,635 INFO L297 olderBase$Statistics]: existing Event has 69 ancestors and is cut-off event [2023-11-26 11:43:57,636 INFO L297 olderBase$Statistics]: existing Event has 62 ancestors and is cut-off event [2023-11-26 11:43:57,636 INFO L297 olderBase$Statistics]: existing Event has 69 ancestors and is cut-off event [2023-11-26 11:43:57,674 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [42#$Ultimate##0true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 251#true, 85#L51-2true, 7#L94-4true, 6#L72-2true, 223#(= |#race~c~0| 0), 258#true]) [2023-11-26 11:43:57,675 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-26 11:43:57,675 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-26 11:43:57,675 INFO L297 olderBase$Statistics]: existing Event has 68 ancestors and is cut-off event [2023-11-26 11:43:57,675 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-26 11:43:57,677 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [34#L62-2true, 227#(= |#race~N~0| 0), 18#$Ultimate##0true, 200#L41-2true, Black: 225#true, 251#true, 6#L72-2true, 7#L94-4true, 223#(= |#race~c~0| 0), 258#true]) [2023-11-26 11:43:57,677 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-26 11:43:57,677 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-26 11:43:57,677 INFO L297 olderBase$Statistics]: existing Event has 68 ancestors and is cut-off event [2023-11-26 11:43:57,678 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-26 11:43:57,689 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [34#L62-2true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 251#true, 85#L51-2true, 6#L72-2true, 7#L94-4true, 223#(= |#race~c~0| 0), 258#true]) [2023-11-26 11:43:57,689 INFO L294 olderBase$Statistics]: this new event has 85 ancestors and is cut-off event [2023-11-26 11:43:57,690 INFO L297 olderBase$Statistics]: existing Event has 78 ancestors and is cut-off event [2023-11-26 11:43:57,690 INFO L297 olderBase$Statistics]: existing Event has 71 ancestors and is cut-off event [2023-11-26 11:43:57,690 INFO L297 olderBase$Statistics]: existing Event has 78 ancestors and is cut-off event [2023-11-26 11:43:57,744 INFO L124 PetriNetUnfolderBase]: 277/1123 cut-off events. [2023-11-26 11:43:57,744 INFO L125 PetriNetUnfolderBase]: For 37/43 co-relation queries the response was YES. [2023-11-26 11:43:57,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1586 conditions, 1123 events. 277/1123 cut-off events. For 37/43 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 7217 event pairs, 123 based on Foata normal form. 1/1002 useless extension candidates. Maximal degree in co-relation 1559. Up to 230 conditions per place. [2023-11-26 11:43:57,752 INFO L140 encePairwiseOnDemand]: 205/207 looper letters, 0 selfloop transitions, 0 changer transitions 150/150 dead transitions. [2023-11-26 11:43:57,752 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 150 transitions, 366 flow [2023-11-26 11:43:57,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:43:57,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:43:57,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 527 transitions. [2023-11-26 11:43:57,754 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8486312399355878 [2023-11-26 11:43:57,755 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 527 transitions. [2023-11-26 11:43:57,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 527 transitions. [2023-11-26 11:43:57,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:43:57,756 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 527 transitions. [2023-11-26 11:43:57,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:57,759 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:57,760 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:57,760 INFO L175 Difference]: Start difference. First operand has 160 places, 151 transitions, 342 flow. Second operand 3 states and 527 transitions. [2023-11-26 11:43:57,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 150 transitions, 366 flow [2023-11-26 11:43:57,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 150 transitions, 359 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:43:57,763 INFO L231 Difference]: Finished difference. Result has 157 places, 0 transitions, 0 flow [2023-11-26 11:43:57,763 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=333, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=157, PETRI_TRANSITIONS=0} [2023-11-26 11:43:57,764 INFO L281 CegarLoopForPetriNet]: 182 programPoint places, -25 predicate places. [2023-11-26 11:43:57,764 INFO L495 AbstractCegarLoop]: Abstraction has has 157 places, 0 transitions, 0 flow [2023-11-26 11:43:57,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:43:57,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 48 remaining) [2023-11-26 11:43:57,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (46 of 48 remaining) [2023-11-26 11:43:57,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (45 of 48 remaining) [2023-11-26 11:43:57,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 48 remaining) [2023-11-26 11:43:57,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (43 of 48 remaining) [2023-11-26 11:43:57,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (42 of 48 remaining) [2023-11-26 11:43:57,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (41 of 48 remaining) [2023-11-26 11:43:57,775 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (40 of 48 remaining) [2023-11-26 11:43:57,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (39 of 48 remaining) [2023-11-26 11:43:57,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (38 of 48 remaining) [2023-11-26 11:43:57,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (37 of 48 remaining) [2023-11-26 11:43:57,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (36 of 48 remaining) [2023-11-26 11:43:57,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (35 of 48 remaining) [2023-11-26 11:43:57,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (34 of 48 remaining) [2023-11-26 11:43:57,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (33 of 48 remaining) [2023-11-26 11:43:57,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (32 of 48 remaining) [2023-11-26 11:43:57,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (31 of 48 remaining) [2023-11-26 11:43:57,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (30 of 48 remaining) [2023-11-26 11:43:57,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (29 of 48 remaining) [2023-11-26 11:43:57,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (28 of 48 remaining) [2023-11-26 11:43:57,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (27 of 48 remaining) [2023-11-26 11:43:57,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 48 remaining) [2023-11-26 11:43:57,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 48 remaining) [2023-11-26 11:43:57,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 48 remaining) [2023-11-26 11:43:57,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 48 remaining) [2023-11-26 11:43:57,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (22 of 48 remaining) [2023-11-26 11:43:57,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (21 of 48 remaining) [2023-11-26 11:43:57,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (20 of 48 remaining) [2023-11-26 11:43:57,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (19 of 48 remaining) [2023-11-26 11:43:57,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (18 of 48 remaining) [2023-11-26 11:43:57,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 48 remaining) [2023-11-26 11:43:57,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 48 remaining) [2023-11-26 11:43:57,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 48 remaining) [2023-11-26 11:43:57,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 48 remaining) [2023-11-26 11:43:57,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (13 of 48 remaining) [2023-11-26 11:43:57,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (12 of 48 remaining) [2023-11-26 11:43:57,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (11 of 48 remaining) [2023-11-26 11:43:57,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (10 of 48 remaining) [2023-11-26 11:43:57,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (9 of 48 remaining) [2023-11-26 11:43:57,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 48 remaining) [2023-11-26 11:43:57,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (7 of 48 remaining) [2023-11-26 11:43:57,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (6 of 48 remaining) [2023-11-26 11:43:57,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (5 of 48 remaining) [2023-11-26 11:43:57,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (4 of 48 remaining) [2023-11-26 11:43:57,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (3 of 48 remaining) [2023-11-26 11:43:57,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (2 of 48 remaining) [2023-11-26 11:43:57,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (1 of 48 remaining) [2023-11-26 11:43:57,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (0 of 48 remaining) [2023-11-26 11:43:57,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 11:43:57,787 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:43:57,794 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 11:43:57,795 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:43:57,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:43:57 BasicIcfg [2023-11-26 11:43:57,802 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:43:57,802 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:43:57,803 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:43:57,803 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:43:57,803 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:43:49" (3/4) ... [2023-11-26 11:43:57,805 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 11:43:57,808 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-26 11:43:57,808 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-26 11:43:57,808 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-26 11:43:57,808 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-11-26 11:43:57,816 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-26 11:43:57,816 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-26 11:43:57,817 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 11:43:57,817 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 11:43:57,933 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6e70e6-d389-4677-9d6b-162ed10ffa06/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:43:57,933 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6e70e6-d389-4677-9d6b-162ed10ffa06/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 11:43:57,933 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:43:57,934 INFO L158 Benchmark]: Toolchain (without parser) took 10292.47ms. Allocated memory was 165.7MB in the beginning and 331.4MB in the end (delta: 165.7MB). Free memory was 135.8MB in the beginning and 141.6MB in the end (delta: -5.7MB). Peak memory consumption was 162.9MB. Max. memory is 16.1GB. [2023-11-26 11:43:57,934 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 119.5MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:43:57,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.11ms. Allocated memory is still 165.7MB. Free memory was 135.8MB in the beginning and 123.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 11:43:57,935 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.97ms. Allocated memory is still 165.7MB. Free memory was 123.3MB in the beginning and 121.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:43:57,935 INFO L158 Benchmark]: Boogie Preprocessor took 87.97ms. Allocated memory is still 165.7MB. Free memory was 121.2MB in the beginning and 119.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:43:57,936 INFO L158 Benchmark]: RCFGBuilder took 899.81ms. Allocated memory is still 165.7MB. Free memory was 119.1MB in the beginning and 88.3MB in the end (delta: 30.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-26 11:43:57,936 INFO L158 Benchmark]: TraceAbstraction took 8791.30ms. Allocated memory was 165.7MB in the beginning and 331.4MB in the end (delta: 165.7MB). Free memory was 87.4MB in the beginning and 146.8MB in the end (delta: -59.4MB). Peak memory consumption was 108.4MB. Max. memory is 16.1GB. [2023-11-26 11:43:57,937 INFO L158 Benchmark]: Witness Printer took 131.07ms. Allocated memory is still 331.4MB. Free memory was 146.8MB in the beginning and 141.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 11:43:57,939 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 119.5MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.11ms. Allocated memory is still 165.7MB. Free memory was 135.8MB in the beginning and 123.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.97ms. Allocated memory is still 165.7MB. Free memory was 123.3MB in the beginning and 121.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.97ms. Allocated memory is still 165.7MB. Free memory was 121.2MB in the beginning and 119.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 899.81ms. Allocated memory is still 165.7MB. Free memory was 119.1MB in the beginning and 88.3MB in the end (delta: 30.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 8791.30ms. Allocated memory was 165.7MB in the beginning and 331.4MB in the end (delta: 165.7MB). Free memory was 87.4MB in the beginning and 146.8MB in the end (delta: -59.4MB). Peak memory consumption was 108.4MB. Max. memory is 16.1GB. * Witness Printer took 131.07ms. Allocated memory is still 331.4MB. Free memory was 146.8MB in the beginning and 141.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - 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: 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: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: 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: 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: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 272 locations, 48 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: 8.6s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 468 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 256 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 233 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 999 IncrementalHoareTripleChecker+Invalid, 1232 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 233 mSolverCounterUnsat, 29 mSDtfsCounter, 999 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=380occurred in iteration=0, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 614 NumberOfCodeBlocks, 614 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 605 ConstructedInterpolants, 0 QuantifiedInterpolants, 939 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 26 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 11:43:57,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a6e70e6-d389-4677-9d6b-162ed10ffa06/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE