./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/mult-dist.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_e76f3e76-70a9-4cd6-a99d-be2cff401bbc/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f3e76-70a9-4cd6-a99d-be2cff401bbc/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_e76f3e76-70a9-4cd6-a99d-be2cff401bbc/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f3e76-70a9-4cd6-a99d-be2cff401bbc/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/mult-dist.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f3e76-70a9-4cd6-a99d-be2cff401bbc/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_e76f3e76-70a9-4cd6-a99d-be2cff401bbc/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 c31f1603fd15e011308b2e8fcd1cd45b23f0b00ac0b8b466c4f212460081639c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:43:37,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:43:37,837 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f3e76-70a9-4cd6-a99d-be2cff401bbc/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 10:43:37,843 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:43:37,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:43:37,876 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:43:37,877 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:43:37,878 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:43:37,879 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:43:37,879 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:43:37,881 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:43:37,881 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:43:37,882 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:43:37,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:43:37,883 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:43:37,884 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:43:37,885 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:43:37,886 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:43:37,886 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:43:37,887 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:43:37,888 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:43:37,888 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:43:37,889 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 10:43:37,890 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:43:37,890 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:43:37,891 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:43:37,892 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:43:37,893 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:43:37,893 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:43:37,894 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:43:37,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:43:37,895 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:43:37,896 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:43:37,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:43:37,897 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:43:37,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:43:37,898 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:43:37,899 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:43:37,899 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:43:37,900 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:43:37,900 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:43:37,901 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_e76f3e76-70a9-4cd6-a99d-be2cff401bbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f3e76-70a9-4cd6-a99d-be2cff401bbc/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c31f1603fd15e011308b2e8fcd1cd45b23f0b00ac0b8b466c4f212460081639c [2023-11-26 10:43:38,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:43:38,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:43:38,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:43:38,207 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:43:38,208 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:43:38,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f3e76-70a9-4cd6-a99d-be2cff401bbc/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/weaver/mult-dist.wvr.c [2023-11-26 10:43:41,676 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:43:41,931 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:43:41,931 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f3e76-70a9-4cd6-a99d-be2cff401bbc/sv-benchmarks/c/weaver/mult-dist.wvr.c [2023-11-26 10:43:41,942 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f3e76-70a9-4cd6-a99d-be2cff401bbc/bin/uautomizer-verify-VRDe98Ueme/data/8a2033ca2/727ab7c665e64cc1be2e1b653ef31743/FLAG934f5ad65 [2023-11-26 10:43:41,964 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f3e76-70a9-4cd6-a99d-be2cff401bbc/bin/uautomizer-verify-VRDe98Ueme/data/8a2033ca2/727ab7c665e64cc1be2e1b653ef31743 [2023-11-26 10:43:41,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:43:41,976 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:43:41,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:43:41,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:43:41,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:43:41,990 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:43:41" (1/1) ... [2023-11-26 10:43:41,991 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67e5fb4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:41, skipping insertion in model container [2023-11-26 10:43:41,991 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:43:41" (1/1) ... [2023-11-26 10:43:42,021 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:43:42,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:43:42,271 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:43:42,308 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:43:42,327 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:43:42,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:42 WrapperNode [2023-11-26 10:43:42,328 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:43:42,330 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:43:42,330 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:43:42,330 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:43:42,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:42" (1/1) ... [2023-11-26 10:43:42,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:42" (1/1) ... [2023-11-26 10:43:42,384 INFO L138 Inliner]: procedures = 22, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2023-11-26 10:43:42,385 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:43:42,386 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:43:42,386 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:43:42,386 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:43:42,398 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:42" (1/1) ... [2023-11-26 10:43:42,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:42" (1/1) ... [2023-11-26 10:43:42,403 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:42" (1/1) ... [2023-11-26 10:43:42,403 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:42" (1/1) ... [2023-11-26 10:43:42,418 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:42" (1/1) ... [2023-11-26 10:43:42,423 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:42" (1/1) ... [2023-11-26 10:43:42,426 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:42" (1/1) ... [2023-11-26 10:43:42,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:42" (1/1) ... [2023-11-26 10:43:42,432 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:43:42,433 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:43:42,433 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:43:42,434 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:43:42,435 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:42" (1/1) ... [2023-11-26 10:43:42,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:43:42,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f3e76-70a9-4cd6-a99d-be2cff401bbc/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:42,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f3e76-70a9-4cd6-a99d-be2cff401bbc/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:42,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f3e76-70a9-4cd6-a99d-be2cff401bbc/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:43:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:43:42,535 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-26 10:43:42,535 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-26 10:43:42,536 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-26 10:43:42,536 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-26 10:43:42,536 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-26 10:43:42,537 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-26 10:43:42,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 10:43:42,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:43:42,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 10:43:42,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:43:42,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:43:42,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 10:43:42,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:43:42,543 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 10:43:42,758 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:43:42,761 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:43:43,249 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:43:43,275 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:43:43,276 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-26 10:43:43,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:43 BoogieIcfgContainer [2023-11-26 10:43:43,278 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:43:43,282 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:43:43,284 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:43:43,289 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:43:43,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:43:41" (1/3) ... [2023-11-26 10:43:43,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65846745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:43:43, skipping insertion in model container [2023-11-26 10:43:43,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:42" (2/3) ... [2023-11-26 10:43:43,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65846745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:43:43, skipping insertion in model container [2023-11-26 10:43:43,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:43" (3/3) ... [2023-11-26 10:43:43,296 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-dist.wvr.c [2023-11-26 10:43:43,307 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 10:43:43,320 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:43:43,321 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-11-26 10:43:43,322 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 10:43:43,449 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-26 10:43:43,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 204 places, 201 transitions, 423 flow [2023-11-26 10:43:43,596 INFO L124 PetriNetUnfolderBase]: 7/198 cut-off events. [2023-11-26 10:43:43,596 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-26 10:43:43,609 INFO L83 FinitePrefix]: Finished finitePrefix Result has 211 conditions, 198 events. 7/198 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 299 event pairs, 0 based on Foata normal form. 0/169 useless extension candidates. Maximal degree in co-relation 112. Up to 2 conditions per place. [2023-11-26 10:43:43,609 INFO L82 GeneralOperation]: Start removeDead. Operand has 204 places, 201 transitions, 423 flow [2023-11-26 10:43:43,617 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 179 places, 175 transitions, 368 flow [2023-11-26 10:43:43,632 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:43:43,640 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;@11bdde7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:43:43,640 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2023-11-26 10:43:43,649 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 10:43:43,649 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2023-11-26 10:43:43,649 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 10:43:43,650 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:43,651 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] [2023-11-26 10:43:43,651 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-26 10:43:43,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:43,658 INFO L85 PathProgramCache]: Analyzing trace with hash -728342709, now seen corresponding path program 1 times [2023-11-26 10:43:43,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:43,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909655513] [2023-11-26 10:43:43,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:43,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:43,962 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 10:43:43,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:43,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909655513] [2023-11-26 10:43:43,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909655513] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:43,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:43,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:43,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975450061] [2023-11-26 10:43:43,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:43,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:43,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:44,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:44,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:44,093 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 201 [2023-11-26 10:43:44,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 175 transitions, 368 flow. Second operand has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states 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 10:43:44,099 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:44,099 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 201 [2023-11-26 10:43:44,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:44,217 INFO L124 PetriNetUnfolderBase]: 11/266 cut-off events. [2023-11-26 10:43:44,217 INFO L125 PetriNetUnfolderBase]: For 20/23 co-relation queries the response was YES. [2023-11-26 10:43:44,222 INFO L83 FinitePrefix]: Finished finitePrefix Result has 312 conditions, 266 events. 11/266 cut-off events. For 20/23 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 835 event pairs, 5 based on Foata normal form. 8/232 useless extension candidates. Maximal degree in co-relation 195. Up to 25 conditions per place. [2023-11-26 10:43:44,226 INFO L140 encePairwiseOnDemand]: 195/201 looper letters, 11 selfloop transitions, 2 changer transitions 0/171 dead transitions. [2023-11-26 10:43:44,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 171 transitions, 386 flow [2023-11-26 10:43:44,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:44,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:44,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 560 transitions. [2023-11-26 10:43:44,246 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9286898839137645 [2023-11-26 10:43:44,247 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 560 transitions. [2023-11-26 10:43:44,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 560 transitions. [2023-11-26 10:43:44,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:44,255 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 560 transitions. [2023-11-26 10:43:44,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 0 states have call successors, (0), 0 states 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 10:43:44,269 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states 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 10:43:44,270 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states 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 10:43:44,272 INFO L175 Difference]: Start difference. First operand has 179 places, 175 transitions, 368 flow. Second operand 3 states and 560 transitions. [2023-11-26 10:43:44,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 171 transitions, 386 flow [2023-11-26 10:43:44,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 171 transitions, 374 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-26 10:43:44,284 INFO L231 Difference]: Finished difference. Result has 174 places, 171 transitions, 352 flow [2023-11-26 10:43:44,287 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=352, PETRI_PLACES=174, PETRI_TRANSITIONS=171} [2023-11-26 10:43:44,291 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -5 predicate places. [2023-11-26 10:43:44,292 INFO L495 AbstractCegarLoop]: Abstraction has has 174 places, 171 transitions, 352 flow [2023-11-26 10:43:44,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states 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 10:43:44,293 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:44,293 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] [2023-11-26 10:43:44,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:43:44,294 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-26 10:43:44,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:44,295 INFO L85 PathProgramCache]: Analyzing trace with hash -448231644, now seen corresponding path program 1 times [2023-11-26 10:43:44,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:44,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894535424] [2023-11-26 10:43:44,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:44,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:44,374 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 10:43:44,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:44,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894535424] [2023-11-26 10:43:44,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894535424] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:44,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:44,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:44,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911618907] [2023-11-26 10:43:44,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:44,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:44,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:44,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:44,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:44,407 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 201 [2023-11-26 10:43:44,408 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 171 transitions, 352 flow. Second operand has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states 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 10:43:44,409 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:44,409 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 201 [2023-11-26 10:43:44,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:44,507 INFO L124 PetriNetUnfolderBase]: 17/331 cut-off events. [2023-11-26 10:43:44,507 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-26 10:43:44,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 373 conditions, 331 events. 17/331 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1090 event pairs, 7 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 343. Up to 32 conditions per place. [2023-11-26 10:43:44,514 INFO L140 encePairwiseOnDemand]: 198/201 looper letters, 11 selfloop transitions, 2 changer transitions 0/170 dead transitions. [2023-11-26 10:43:44,514 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 170 transitions, 376 flow [2023-11-26 10:43:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:44,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:44,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 557 transitions. [2023-11-26 10:43:44,517 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9237147595356551 [2023-11-26 10:43:44,518 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 557 transitions. [2023-11-26 10:43:44,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 557 transitions. [2023-11-26 10:43:44,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:44,519 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 557 transitions. [2023-11-26 10:43:44,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 0 states have call successors, (0), 0 states 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 10:43:44,524 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states 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 10:43:44,525 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states 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 10:43:44,526 INFO L175 Difference]: Start difference. First operand has 174 places, 171 transitions, 352 flow. Second operand 3 states and 557 transitions. [2023-11-26 10:43:44,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 170 transitions, 376 flow [2023-11-26 10:43:44,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 170 transitions, 372 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:44,532 INFO L231 Difference]: Finished difference. Result has 173 places, 170 transitions, 350 flow [2023-11-26 10:43:44,533 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=173, PETRI_TRANSITIONS=170} [2023-11-26 10:43:44,534 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -6 predicate places. [2023-11-26 10:43:44,534 INFO L495 AbstractCegarLoop]: Abstraction has has 173 places, 170 transitions, 350 flow [2023-11-26 10:43:44,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states 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 10:43:44,535 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:44,536 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] [2023-11-26 10:43:44,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:43:44,536 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-26 10:43:44,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:44,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1849728135, now seen corresponding path program 1 times [2023-11-26 10:43:44,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:44,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184557361] [2023-11-26 10:43:44,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:44,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:44,613 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 10:43:44,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:44,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184557361] [2023-11-26 10:43:44,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184557361] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:44,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:44,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:44,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035905001] [2023-11-26 10:43:44,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:44,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:44,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:44,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:44,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:44,654 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 201 [2023-11-26 10:43:44,656 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 170 transitions, 350 flow. Second operand has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 0 states 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 10:43:44,656 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:44,656 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 201 [2023-11-26 10:43:44,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:44,792 INFO L124 PetriNetUnfolderBase]: 22/365 cut-off events. [2023-11-26 10:43:44,792 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-26 10:43:44,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 418 conditions, 365 events. 22/365 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1551 event pairs, 15 based on Foata normal form. 0/311 useless extension candidates. Maximal degree in co-relation 381. Up to 40 conditions per place. [2023-11-26 10:43:44,799 INFO L140 encePairwiseOnDemand]: 198/201 looper letters, 12 selfloop transitions, 2 changer transitions 0/169 dead transitions. [2023-11-26 10:43:44,799 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 169 transitions, 376 flow [2023-11-26 10:43:44,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:44,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:44,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2023-11-26 10:43:44,804 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9203980099502488 [2023-11-26 10:43:44,804 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 555 transitions. [2023-11-26 10:43:44,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 555 transitions. [2023-11-26 10:43:44,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:44,805 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 555 transitions. [2023-11-26 10:43:44,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states 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 10:43:44,811 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states 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 10:43:44,812 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states 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 10:43:44,812 INFO L175 Difference]: Start difference. First operand has 173 places, 170 transitions, 350 flow. Second operand 3 states and 555 transitions. [2023-11-26 10:43:44,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 169 transitions, 376 flow [2023-11-26 10:43:44,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 169 transitions, 372 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:44,821 INFO L231 Difference]: Finished difference. Result has 172 places, 169 transitions, 348 flow [2023-11-26 10:43:44,822 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=348, PETRI_PLACES=172, PETRI_TRANSITIONS=169} [2023-11-26 10:43:44,824 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -7 predicate places. [2023-11-26 10:43:44,825 INFO L495 AbstractCegarLoop]: Abstraction has has 172 places, 169 transitions, 348 flow [2023-11-26 10:43:44,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 0 states 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 10:43:44,826 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:44,826 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] [2023-11-26 10:43:44,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:43:44,827 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-26 10:43:44,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:44,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1539662491, now seen corresponding path program 1 times [2023-11-26 10:43:44,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:44,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002687925] [2023-11-26 10:43:44,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:44,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:44,934 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 10:43:44,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:44,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002687925] [2023-11-26 10:43:44,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002687925] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:44,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:44,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:44,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450667215] [2023-11-26 10:43:44,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:44,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:44,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:44,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:44,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:44,955 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 201 [2023-11-26 10:43:44,956 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 169 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states 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 10:43:44,956 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:44,957 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 201 [2023-11-26 10:43:44,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:45,098 INFO L124 PetriNetUnfolderBase]: 24/409 cut-off events. [2023-11-26 10:43:45,099 INFO L125 PetriNetUnfolderBase]: For 7/17 co-relation queries the response was YES. [2023-11-26 10:43:45,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 465 conditions, 409 events. 24/409 cut-off events. For 7/17 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1748 event pairs, 8 based on Foata normal form. 0/343 useless extension candidates. Maximal degree in co-relation 421. Up to 40 conditions per place. [2023-11-26 10:43:45,107 INFO L140 encePairwiseOnDemand]: 197/201 looper letters, 13 selfloop transitions, 2 changer transitions 0/171 dead transitions. [2023-11-26 10:43:45,107 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 171 transitions, 384 flow [2023-11-26 10:43:45,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:45,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:45,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 566 transitions. [2023-11-26 10:43:45,110 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9386401326699834 [2023-11-26 10:43:45,111 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 566 transitions. [2023-11-26 10:43:45,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 566 transitions. [2023-11-26 10:43:45,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:45,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 566 transitions. [2023-11-26 10:43:45,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 0 states have call successors, (0), 0 states 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 10:43:45,117 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states 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 10:43:45,118 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states 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 10:43:45,119 INFO L175 Difference]: Start difference. First operand has 172 places, 169 transitions, 348 flow. Second operand 3 states and 566 transitions. [2023-11-26 10:43:45,119 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 171 transitions, 384 flow [2023-11-26 10:43:45,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 171 transitions, 380 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:45,125 INFO L231 Difference]: Finished difference. Result has 171 places, 169 transitions, 354 flow [2023-11-26 10:43:45,126 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=354, PETRI_PLACES=171, PETRI_TRANSITIONS=169} [2023-11-26 10:43:45,128 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -8 predicate places. [2023-11-26 10:43:45,129 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 169 transitions, 354 flow [2023-11-26 10:43:45,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states 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 10:43:45,130 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:45,130 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:45,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 10:43:45,131 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-26 10:43:45,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:45,132 INFO L85 PathProgramCache]: Analyzing trace with hash -2129049614, now seen corresponding path program 1 times [2023-11-26 10:43:45,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:45,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152923733] [2023-11-26 10:43:45,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:45,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:45,250 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 10:43:45,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:45,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152923733] [2023-11-26 10:43:45,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152923733] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:45,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:45,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:45,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021708149] [2023-11-26 10:43:45,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:45,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:45,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:45,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:45,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:45,269 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 201 [2023-11-26 10:43:45,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 169 transitions, 354 flow. Second operand has 3 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 0 states have call successors, (0), 0 states 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 10:43:45,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:45,270 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 201 [2023-11-26 10:43:45,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:45,333 INFO L124 PetriNetUnfolderBase]: 16/247 cut-off events. [2023-11-26 10:43:45,333 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2023-11-26 10:43:45,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 298 conditions, 247 events. 16/247 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 778 event pairs, 2 based on Foata normal form. 1/219 useless extension candidates. Maximal degree in co-relation 215. Up to 14 conditions per place. [2023-11-26 10:43:45,338 INFO L140 encePairwiseOnDemand]: 196/201 looper letters, 10 selfloop transitions, 3 changer transitions 0/169 dead transitions. [2023-11-26 10:43:45,338 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 169 transitions, 382 flow [2023-11-26 10:43:45,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:45,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:45,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 564 transitions. [2023-11-26 10:43:45,348 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9353233830845771 [2023-11-26 10:43:45,348 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 564 transitions. [2023-11-26 10:43:45,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 564 transitions. [2023-11-26 10:43:45,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:45,349 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 564 transitions. [2023-11-26 10:43:45,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 0 states have call successors, (0), 0 states 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 10:43:45,353 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states 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 10:43:45,354 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states 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 10:43:45,355 INFO L175 Difference]: Start difference. First operand has 171 places, 169 transitions, 354 flow. Second operand 3 states and 564 transitions. [2023-11-26 10:43:45,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 169 transitions, 382 flow [2023-11-26 10:43:45,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 169 transitions, 382 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 10:43:45,361 INFO L231 Difference]: Finished difference. Result has 171 places, 167 transitions, 356 flow [2023-11-26 10:43:45,362 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=356, PETRI_PLACES=171, PETRI_TRANSITIONS=167} [2023-11-26 10:43:45,365 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -8 predicate places. [2023-11-26 10:43:45,366 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 167 transitions, 356 flow [2023-11-26 10:43:45,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 0 states have call successors, (0), 0 states 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 10:43:45,367 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:45,367 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:45,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 10:43:45,369 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-26 10:43:45,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:45,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1612230988, now seen corresponding path program 1 times [2023-11-26 10:43:45,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:45,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108615217] [2023-11-26 10:43:45,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:45,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:45,452 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 10:43:45,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:45,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108615217] [2023-11-26 10:43:45,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108615217] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:45,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:45,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:45,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010394810] [2023-11-26 10:43:45,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:45,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:45,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:45,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:45,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:45,476 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 201 [2023-11-26 10:43:45,477 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 167 transitions, 356 flow. Second operand has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 0 states 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 10:43:45,478 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:45,478 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 201 [2023-11-26 10:43:45,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:45,700 INFO L124 PetriNetUnfolderBase]: 121/1035 cut-off events. [2023-11-26 10:43:45,700 INFO L125 PetriNetUnfolderBase]: For 22/23 co-relation queries the response was YES. [2023-11-26 10:43:45,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1272 conditions, 1035 events. 121/1035 cut-off events. For 22/23 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 7121 event pairs, 32 based on Foata normal form. 0/876 useless extension candidates. Maximal degree in co-relation 1076. Up to 166 conditions per place. [2023-11-26 10:43:45,717 INFO L140 encePairwiseOnDemand]: 195/201 looper letters, 18 selfloop transitions, 3 changer transitions 0/172 dead transitions. [2023-11-26 10:43:45,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 172 transitions, 413 flow [2023-11-26 10:43:45,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:45,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:45,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 564 transitions. [2023-11-26 10:43:45,720 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9353233830845771 [2023-11-26 10:43:45,720 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 564 transitions. [2023-11-26 10:43:45,720 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 564 transitions. [2023-11-26 10:43:45,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:45,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 564 transitions. [2023-11-26 10:43:45,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 0 states have call successors, (0), 0 states 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 10:43:45,724 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states 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 10:43:45,725 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states 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 10:43:45,725 INFO L175 Difference]: Start difference. First operand has 171 places, 167 transitions, 356 flow. Second operand 3 states and 564 transitions. [2023-11-26 10:43:45,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 172 transitions, 413 flow [2023-11-26 10:43:45,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 172 transitions, 407 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:45,730 INFO L231 Difference]: Finished difference. Result has 169 places, 167 transitions, 365 flow [2023-11-26 10:43:45,730 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=365, PETRI_PLACES=169, PETRI_TRANSITIONS=167} [2023-11-26 10:43:45,733 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -10 predicate places. [2023-11-26 10:43:45,733 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 167 transitions, 365 flow [2023-11-26 10:43:45,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 0 states 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 10:43:45,735 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:45,735 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:45,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 10:43:45,736 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-26 10:43:45,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:45,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1361812826, now seen corresponding path program 1 times [2023-11-26 10:43:45,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:45,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899351241] [2023-11-26 10:43:45,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:45,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:45,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:45,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:45,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899351241] [2023-11-26 10:43:45,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899351241] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:45,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:45,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:45,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747934326] [2023-11-26 10:43:45,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:45,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:45,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:45,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:45,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:45,855 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 201 [2023-11-26 10:43:45,856 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 167 transitions, 365 flow. Second operand has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states 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 10:43:45,856 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:45,856 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 201 [2023-11-26 10:43:45,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:45,996 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([490] L57-3-->L57-4: Formula: (= |v_#race~b~0_4| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_4|} AuxVars[] AssignedVars[#race~b~0][116], [235#(= |#race~b~0| 0), 221#(= |#race~a~0| 0), 70#L41-2true, Black: 228#true, 41#L74-4true, 230#(= |#race~c~0| 0), 121#L49-3true, 150#L57-4true, Black: 219#true]) [2023-11-26 10:43:45,996 INFO L294 olderBase$Statistics]: this new event has 83 ancestors and is cut-off event [2023-11-26 10:43:45,996 INFO L297 olderBase$Statistics]: existing Event has 96 ancestors and is cut-off event [2023-11-26 10:43:45,996 INFO L297 olderBase$Statistics]: existing Event has 81 ancestors and is cut-off event [2023-11-26 10:43:45,996 INFO L297 olderBase$Statistics]: existing Event has 81 ancestors and is cut-off event [2023-11-26 10:43:46,049 INFO L124 PetriNetUnfolderBase]: 131/987 cut-off events. [2023-11-26 10:43:46,049 INFO L125 PetriNetUnfolderBase]: For 30/53 co-relation queries the response was YES. [2023-11-26 10:43:46,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1268 conditions, 987 events. 131/987 cut-off events. For 30/53 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 6936 event pairs, 42 based on Foata normal form. 0/852 useless extension candidates. Maximal degree in co-relation 999. Up to 151 conditions per place. [2023-11-26 10:43:46,063 INFO L140 encePairwiseOnDemand]: 197/201 looper letters, 13 selfloop transitions, 2 changer transitions 0/169 dead transitions. [2023-11-26 10:43:46,063 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 169 transitions, 401 flow [2023-11-26 10:43:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:46,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:46,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 566 transitions. [2023-11-26 10:43:46,066 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9386401326699834 [2023-11-26 10:43:46,066 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 566 transitions. [2023-11-26 10:43:46,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 566 transitions. [2023-11-26 10:43:46,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:46,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 566 transitions. [2023-11-26 10:43:46,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 0 states have call successors, (0), 0 states 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 10:43:46,070 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states 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 10:43:46,070 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states 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 10:43:46,071 INFO L175 Difference]: Start difference. First operand has 169 places, 167 transitions, 365 flow. Second operand 3 states and 566 transitions. [2023-11-26 10:43:46,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 169 transitions, 401 flow [2023-11-26 10:43:46,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 169 transitions, 401 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 10:43:46,075 INFO L231 Difference]: Finished difference. Result has 170 places, 167 transitions, 375 flow [2023-11-26 10:43:46,076 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=375, PETRI_PLACES=170, PETRI_TRANSITIONS=167} [2023-11-26 10:43:46,077 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -9 predicate places. [2023-11-26 10:43:46,077 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 167 transitions, 375 flow [2023-11-26 10:43:46,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states 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 10:43:46,077 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:46,078 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:46,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 10:43:46,078 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-26 10:43:46,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:46,078 INFO L85 PathProgramCache]: Analyzing trace with hash -494687049, now seen corresponding path program 1 times [2023-11-26 10:43:46,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:46,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613353655] [2023-11-26 10:43:46,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:46,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:46,125 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 10:43:46,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:46,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613353655] [2023-11-26 10:43:46,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613353655] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:46,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:46,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:46,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701935668] [2023-11-26 10:43:46,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:46,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:46,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:46,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:46,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:46,139 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 201 [2023-11-26 10:43:46,140 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 167 transitions, 375 flow. Second operand has 3 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states 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 10:43:46,141 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:46,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 201 [2023-11-26 10:43:46,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:46,219 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([490] L57-3-->L57-4: Formula: (= |v_#race~b~0_4| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_4|} AuxVars[] AssignedVars[#race~b~0][102], [146#L49-2true, 235#(= |#race~b~0| 0), Black: 228#true, 221#(= |#race~a~0| 0), 70#L41-2true, 41#L74-4true, 238#true, 230#(= |#race~c~0| 0), Black: 233#true, 150#L57-4true, Black: 219#true]) [2023-11-26 10:43:46,219 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-26 10:43:46,220 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-26 10:43:46,220 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-26 10:43:46,220 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-11-26 10:43:46,256 INFO L124 PetriNetUnfolderBase]: 73/608 cut-off events. [2023-11-26 10:43:46,256 INFO L125 PetriNetUnfolderBase]: For 19/23 co-relation queries the response was YES. [2023-11-26 10:43:46,262 INFO L83 FinitePrefix]: Finished finitePrefix Result has 797 conditions, 608 events. 73/608 cut-off events. For 19/23 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3356 event pairs, 10 based on Foata normal form. 0/542 useless extension candidates. Maximal degree in co-relation 627. Up to 42 conditions per place. [2023-11-26 10:43:46,266 INFO L140 encePairwiseOnDemand]: 196/201 looper letters, 10 selfloop transitions, 3 changer transitions 0/167 dead transitions. [2023-11-26 10:43:46,266 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 167 transitions, 403 flow [2023-11-26 10:43:46,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:46,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:46,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 564 transitions. [2023-11-26 10:43:46,269 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9353233830845771 [2023-11-26 10:43:46,269 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 564 transitions. [2023-11-26 10:43:46,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 564 transitions. [2023-11-26 10:43:46,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:46,270 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 564 transitions. [2023-11-26 10:43:46,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 0 states have call successors, (0), 0 states 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 10:43:46,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states 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 10:43:46,274 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states 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 10:43:46,274 INFO L175 Difference]: Start difference. First operand has 170 places, 167 transitions, 375 flow. Second operand 3 states and 564 transitions. [2023-11-26 10:43:46,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 167 transitions, 403 flow [2023-11-26 10:43:46,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 167 transitions, 403 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 10:43:46,278 INFO L231 Difference]: Finished difference. Result has 170 places, 165 transitions, 377 flow [2023-11-26 10:43:46,279 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=377, PETRI_PLACES=170, PETRI_TRANSITIONS=165} [2023-11-26 10:43:46,280 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -9 predicate places. [2023-11-26 10:43:46,280 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 165 transitions, 377 flow [2023-11-26 10:43:46,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states 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 10:43:46,280 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:46,281 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] [2023-11-26 10:43:46,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 10:43:46,281 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-26 10:43:46,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:46,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1437014025, now seen corresponding path program 1 times [2023-11-26 10:43:46,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:46,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130166472] [2023-11-26 10:43:46,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:46,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:46,325 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 10:43:46,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:46,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130166472] [2023-11-26 10:43:46,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130166472] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:46,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:46,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:46,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954065096] [2023-11-26 10:43:46,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:46,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:46,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:46,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:46,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:46,345 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 201 [2023-11-26 10:43:46,346 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 165 transitions, 377 flow. Second operand has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states 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 10:43:46,346 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:46,346 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 201 [2023-11-26 10:43:46,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:46,434 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([490] L57-3-->L57-4: Formula: (= |v_#race~b~0_4| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_4|} AuxVars[] AssignedVars[#race~b~0][102], [146#L49-2true, 235#(= |#race~b~0| 0), 41#L74-4true, 221#(= |#race~a~0| 0), 70#L41-2true, Black: 228#true, 242#true, 238#true, 230#(= |#race~c~0| 0), Black: 233#true, Black: 219#true, 150#L57-4true]) [2023-11-26 10:43:46,434 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-26 10:43:46,434 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-26 10:43:46,434 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-26 10:43:46,434 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-11-26 10:43:46,446 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([459] L49-8-->L49-2: Formula: (= |v_#race~b~0_1| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_1|} AuxVars[] AssignedVars[#race~b~0][107], [146#L49-2true, 235#(= |#race~b~0| 0), 41#L74-4true, Black: 228#true, 221#(= |#race~a~0| 0), 70#L41-2true, 242#true, 238#true, 230#(= |#race~c~0| 0), Black: 233#true, 150#L57-4true, Black: 219#true]) [2023-11-26 10:43:46,446 INFO L294 olderBase$Statistics]: this new event has 97 ancestors and is cut-off event [2023-11-26 10:43:46,446 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-26 10:43:46,446 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-26 10:43:46,446 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-11-26 10:43:46,460 INFO L124 PetriNetUnfolderBase]: 64/565 cut-off events. [2023-11-26 10:43:46,460 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2023-11-26 10:43:46,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 749 conditions, 565 events. 64/565 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3041 event pairs, 13 based on Foata normal form. 0/504 useless extension candidates. Maximal degree in co-relation 561. Up to 40 conditions per place. [2023-11-26 10:43:46,469 INFO L140 encePairwiseOnDemand]: 198/201 looper letters, 12 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2023-11-26 10:43:46,469 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 166 transitions, 409 flow [2023-11-26 10:43:46,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:46,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:46,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 564 transitions. [2023-11-26 10:43:46,471 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9353233830845771 [2023-11-26 10:43:46,471 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 564 transitions. [2023-11-26 10:43:46,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 564 transitions. [2023-11-26 10:43:46,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:46,472 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 564 transitions. [2023-11-26 10:43:46,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 0 states have call successors, (0), 0 states 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 10:43:46,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states 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 10:43:46,476 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states 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 10:43:46,477 INFO L175 Difference]: Start difference. First operand has 170 places, 165 transitions, 377 flow. Second operand 3 states and 564 transitions. [2023-11-26 10:43:46,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 166 transitions, 409 flow [2023-11-26 10:43:46,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 166 transitions, 403 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:46,481 INFO L231 Difference]: Finished difference. Result has 169 places, 164 transitions, 373 flow [2023-11-26 10:43:46,481 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=369, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=373, PETRI_PLACES=169, PETRI_TRANSITIONS=164} [2023-11-26 10:43:46,482 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -10 predicate places. [2023-11-26 10:43:46,482 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 164 transitions, 373 flow [2023-11-26 10:43:46,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states 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 10:43:46,483 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:46,483 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] [2023-11-26 10:43:46,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 10:43:46,483 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-26 10:43:46,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:46,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1502839108, now seen corresponding path program 1 times [2023-11-26 10:43:46,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:46,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821632434] [2023-11-26 10:43:46,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:46,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:46,529 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 10:43:46,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:46,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821632434] [2023-11-26 10:43:46,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821632434] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:46,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:46,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:46,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470778552] [2023-11-26 10:43:46,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:46,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:46,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:46,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:46,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:46,545 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 201 [2023-11-26 10:43:46,546 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 164 transitions, 373 flow. Second operand has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states 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 10:43:46,546 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:46,547 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 201 [2023-11-26 10:43:46,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:46,622 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([490] L57-3-->L57-4: Formula: (= |v_#race~b~0_4| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_4|} AuxVars[] AssignedVars[#race~b~0][100], [146#L49-2true, 235#(= |#race~b~0| 0), Black: 228#true, 221#(= |#race~a~0| 0), 70#L41-2true, 41#L74-4true, 242#true, 230#(= |#race~c~0| 0), 246#true, Black: 233#true, Black: 219#true, 150#L57-4true]) [2023-11-26 10:43:46,622 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-26 10:43:46,622 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-26 10:43:46,623 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-11-26 10:43:46,623 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-26 10:43:46,657 INFO L124 PetriNetUnfolderBase]: 81/590 cut-off events. [2023-11-26 10:43:46,657 INFO L125 PetriNetUnfolderBase]: For 24/29 co-relation queries the response was YES. [2023-11-26 10:43:46,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 809 conditions, 590 events. 81/590 cut-off events. For 24/29 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3254 event pairs, 19 based on Foata normal form. 0/536 useless extension candidates. Maximal degree in co-relation 688. Up to 59 conditions per place. [2023-11-26 10:43:46,667 INFO L140 encePairwiseOnDemand]: 198/201 looper letters, 12 selfloop transitions, 2 changer transitions 0/165 dead transitions. [2023-11-26 10:43:46,668 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 165 transitions, 405 flow [2023-11-26 10:43:46,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:46,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:46,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 564 transitions. [2023-11-26 10:43:46,670 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9353233830845771 [2023-11-26 10:43:46,670 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 564 transitions. [2023-11-26 10:43:46,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 564 transitions. [2023-11-26 10:43:46,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:46,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 564 transitions. [2023-11-26 10:43:46,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 0 states have call successors, (0), 0 states 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 10:43:46,674 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states 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 10:43:46,675 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states 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 10:43:46,675 INFO L175 Difference]: Start difference. First operand has 169 places, 164 transitions, 373 flow. Second operand 3 states and 564 transitions. [2023-11-26 10:43:46,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 165 transitions, 405 flow [2023-11-26 10:43:46,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 165 transitions, 401 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:46,680 INFO L231 Difference]: Finished difference. Result has 168 places, 163 transitions, 371 flow [2023-11-26 10:43:46,680 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=367, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=371, PETRI_PLACES=168, PETRI_TRANSITIONS=163} [2023-11-26 10:43:46,681 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -11 predicate places. [2023-11-26 10:43:46,681 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 163 transitions, 371 flow [2023-11-26 10:43:46,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states 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 10:43:46,682 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:46,682 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:46,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-26 10:43:46,682 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-26 10:43:46,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:46,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1863851744, now seen corresponding path program 1 times [2023-11-26 10:43:46,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:46,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575777027] [2023-11-26 10:43:46,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:46,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:47,381 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 10:43:47,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:47,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575777027] [2023-11-26 10:43:47,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575777027] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:47,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:47,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:43:47,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814194368] [2023-11-26 10:43:47,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:47,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:43:47,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:47,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:43:47,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:43:47,667 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 201 [2023-11-26 10:43:47,668 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 163 transitions, 371 flow. Second operand has 6 states, 6 states have (on average 181.66666666666666) internal successors, (1090), 6 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states 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 10:43:47,669 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:47,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 201 [2023-11-26 10:43:47,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:47,753 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([490] L57-3-->L57-4: Formula: (= |v_#race~b~0_4| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_4|} AuxVars[] AssignedVars[#race~b~0][100], [146#L49-2true, 235#(= |#race~b~0| 0), Black: 228#true, 221#(= |#race~a~0| 0), 70#L41-2true, 41#L74-4true, 250#true, 246#true, 230#(= |#race~c~0| 0), Black: 233#true, Black: 219#true, 150#L57-4true]) [2023-11-26 10:43:47,753 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-26 10:43:47,753 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-26 10:43:47,753 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-11-26 10:43:47,754 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-26 10:43:47,776 INFO L124 PetriNetUnfolderBase]: 44/453 cut-off events. [2023-11-26 10:43:47,776 INFO L125 PetriNetUnfolderBase]: For 7/14 co-relation queries the response was YES. [2023-11-26 10:43:47,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 580 conditions, 453 events. 44/453 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2151 event pairs, 5 based on Foata normal form. 4/411 useless extension candidates. Maximal degree in co-relation 462. Up to 31 conditions per place. [2023-11-26 10:43:47,785 INFO L140 encePairwiseOnDemand]: 196/201 looper letters, 9 selfloop transitions, 4 changer transitions 0/162 dead transitions. [2023-11-26 10:43:47,786 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 162 transitions, 395 flow [2023-11-26 10:43:47,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:43:47,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 10:43:47,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1094 transitions. [2023-11-26 10:43:47,791 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9071310116086235 [2023-11-26 10:43:47,792 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1094 transitions. [2023-11-26 10:43:47,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1094 transitions. [2023-11-26 10:43:47,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:47,821 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1094 transitions. [2023-11-26 10:43:47,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 182.33333333333334) internal successors, (1094), 6 states have internal predecessors, (1094), 0 states have call successors, (0), 0 states 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 10:43:47,830 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 201.0) internal successors, (1407), 7 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states 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 10:43:47,831 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 201.0) internal successors, (1407), 7 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states 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 10:43:47,831 INFO L175 Difference]: Start difference. First operand has 168 places, 163 transitions, 371 flow. Second operand 6 states and 1094 transitions. [2023-11-26 10:43:47,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 162 transitions, 395 flow [2023-11-26 10:43:47,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 162 transitions, 391 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:47,846 INFO L231 Difference]: Finished difference. Result has 170 places, 162 transitions, 373 flow [2023-11-26 10:43:47,846 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=365, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=373, PETRI_PLACES=170, PETRI_TRANSITIONS=162} [2023-11-26 10:43:47,847 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -9 predicate places. [2023-11-26 10:43:47,848 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 162 transitions, 373 flow [2023-11-26 10:43:47,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 181.66666666666666) internal successors, (1090), 6 states have internal predecessors, (1090), 0 states have call successors, (0), 0 states 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 10:43:47,849 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:47,849 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] [2023-11-26 10:43:47,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-26 10:43:47,849 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-26 10:43:47,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:47,850 INFO L85 PathProgramCache]: Analyzing trace with hash 684508002, now seen corresponding path program 1 times [2023-11-26 10:43:47,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:47,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450509797] [2023-11-26 10:43:47,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:47,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:47,904 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 10:43:47,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:47,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450509797] [2023-11-26 10:43:47,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450509797] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:47,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:47,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:47,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704955083] [2023-11-26 10:43:47,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:47,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:47,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:47,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:47,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:47,926 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 201 [2023-11-26 10:43:47,927 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 162 transitions, 373 flow. Second operand has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states 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 10:43:47,927 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:47,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 201 [2023-11-26 10:43:47,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:48,008 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([490] L57-3-->L57-4: Formula: (= |v_#race~b~0_4| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_4|} AuxVars[] AssignedVars[#race~b~0][100], [146#L49-2true, 235#(= |#race~b~0| 0), 250#true, Black: 228#true, 221#(= |#race~a~0| 0), 70#L41-2true, 41#L74-4true, 257#true, 230#(= |#race~c~0| 0), Black: 233#true, Black: 219#true, 150#L57-4true]) [2023-11-26 10:43:48,008 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-26 10:43:48,008 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-26 10:43:48,009 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-26 10:43:48,009 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-11-26 10:43:48,054 INFO L124 PetriNetUnfolderBase]: 71/550 cut-off events. [2023-11-26 10:43:48,054 INFO L125 PetriNetUnfolderBase]: For 24/27 co-relation queries the response was YES. [2023-11-26 10:43:48,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 747 conditions, 550 events. 71/550 cut-off events. For 24/27 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2895 event pairs, 8 based on Foata normal form. 3/507 useless extension candidates. Maximal degree in co-relation 670. Up to 49 conditions per place. [2023-11-26 10:43:48,065 INFO L140 encePairwiseOnDemand]: 196/201 looper letters, 8 selfloop transitions, 2 changer transitions 7/162 dead transitions. [2023-11-26 10:43:48,065 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 162 transitions, 399 flow [2023-11-26 10:43:48,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:48,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:48,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 563 transitions. [2023-11-26 10:43:48,069 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9336650082918739 [2023-11-26 10:43:48,069 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 563 transitions. [2023-11-26 10:43:48,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 563 transitions. [2023-11-26 10:43:48,070 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:48,070 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 563 transitions. [2023-11-26 10:43:48,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 0 states have call successors, (0), 0 states 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 10:43:48,074 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states 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 10:43:48,075 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states 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 10:43:48,075 INFO L175 Difference]: Start difference. First operand has 170 places, 162 transitions, 373 flow. Second operand 3 states and 563 transitions. [2023-11-26 10:43:48,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 162 transitions, 399 flow [2023-11-26 10:43:48,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 162 transitions, 392 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 10:43:48,081 INFO L231 Difference]: Finished difference. Result has 166 places, 153 transitions, 351 flow [2023-11-26 10:43:48,082 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=351, PETRI_PLACES=166, PETRI_TRANSITIONS=153} [2023-11-26 10:43:48,083 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -13 predicate places. [2023-11-26 10:43:48,083 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 153 transitions, 351 flow [2023-11-26 10:43:48,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states 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 10:43:48,084 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:48,084 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] [2023-11-26 10:43:48,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-26 10:43:48,085 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-26 10:43:48,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:48,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1543930873, now seen corresponding path program 1 times [2023-11-26 10:43:48,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:48,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669551761] [2023-11-26 10:43:48,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:48,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:48,133 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 10:43:48,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:48,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669551761] [2023-11-26 10:43:48,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669551761] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:48,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:48,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:48,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791491588] [2023-11-26 10:43:48,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:48,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:48,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:48,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:48,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:48,156 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 201 [2023-11-26 10:43:48,157 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 153 transitions, 351 flow. Second operand has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 0 states 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 10:43:48,158 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:48,158 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 201 [2023-11-26 10:43:48,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:48,233 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([490] L57-3-->L57-4: Formula: (= |v_#race~b~0_4| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_4|} AuxVars[] AssignedVars[#race~b~0][100], [146#L49-2true, 235#(= |#race~b~0| 0), Black: 228#true, 221#(= |#race~a~0| 0), 70#L41-2true, 41#L74-4true, 257#true, 230#(= |#race~c~0| 0), Black: 233#true, 150#L57-4true, Black: 219#true, 261#true]) [2023-11-26 10:43:48,233 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-26 10:43:48,234 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-26 10:43:48,234 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-26 10:43:48,234 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-11-26 10:43:48,270 INFO L124 PetriNetUnfolderBase]: 69/546 cut-off events. [2023-11-26 10:43:48,271 INFO L125 PetriNetUnfolderBase]: For 43/46 co-relation queries the response was YES. [2023-11-26 10:43:48,276 INFO L83 FinitePrefix]: Finished finitePrefix Result has 773 conditions, 546 events. 69/546 cut-off events. For 43/46 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2864 event pairs, 17 based on Foata normal form. 0/507 useless extension candidates. Maximal degree in co-relation 699. Up to 59 conditions per place. [2023-11-26 10:43:48,279 INFO L140 encePairwiseOnDemand]: 198/201 looper letters, 10 selfloop transitions, 2 changer transitions 0/154 dead transitions. [2023-11-26 10:43:48,280 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 154 transitions, 379 flow [2023-11-26 10:43:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:48,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:48,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 562 transitions. [2023-11-26 10:43:48,283 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9320066334991708 [2023-11-26 10:43:48,283 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 562 transitions. [2023-11-26 10:43:48,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 562 transitions. [2023-11-26 10:43:48,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:48,284 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 562 transitions. [2023-11-26 10:43:48,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states 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 10:43:48,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states 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 10:43:48,288 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states 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 10:43:48,289 INFO L175 Difference]: Start difference. First operand has 166 places, 153 transitions, 351 flow. Second operand 3 states and 562 transitions. [2023-11-26 10:43:48,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 154 transitions, 379 flow [2023-11-26 10:43:48,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 154 transitions, 375 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:48,294 INFO L231 Difference]: Finished difference. Result has 158 places, 152 transitions, 349 flow [2023-11-26 10:43:48,295 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=345, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=349, PETRI_PLACES=158, PETRI_TRANSITIONS=152} [2023-11-26 10:43:48,295 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -21 predicate places. [2023-11-26 10:43:48,296 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 152 transitions, 349 flow [2023-11-26 10:43:48,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 0 states 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 10:43:48,297 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:48,297 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] [2023-11-26 10:43:48,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-26 10:43:48,297 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-26 10:43:48,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:48,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1433959620, now seen corresponding path program 1 times [2023-11-26 10:43:48,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:48,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711990102] [2023-11-26 10:43:48,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:48,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:49,059 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 10:43:49,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:49,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711990102] [2023-11-26 10:43:49,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711990102] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:49,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:49,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:43:49,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833969797] [2023-11-26 10:43:49,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:49,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:43:49,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:49,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:43:49,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:43:49,271 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 201 [2023-11-26 10:43:49,273 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 152 transitions, 349 flow. Second operand has 6 states, 6 states have (on average 181.83333333333334) internal successors, (1091), 6 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:49,273 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:49,273 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 201 [2023-11-26 10:43:49,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:49,348 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([490] L57-3-->L57-4: Formula: (= |v_#race~b~0_4| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_4|} AuxVars[] AssignedVars[#race~b~0][100], [146#L49-2true, 265#true, 235#(= |#race~b~0| 0), Black: 228#true, 221#(= |#race~a~0| 0), 70#L41-2true, 41#L74-4true, 230#(= |#race~c~0| 0), Black: 233#true, Black: 219#true, 150#L57-4true, 261#true]) [2023-11-26 10:43:49,348 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-26 10:43:49,349 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-26 10:43:49,349 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-11-26 10:43:49,349 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-26 10:43:49,373 INFO L124 PetriNetUnfolderBase]: 44/419 cut-off events. [2023-11-26 10:43:49,373 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2023-11-26 10:43:49,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 552 conditions, 419 events. 44/419 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1943 event pairs, 5 based on Foata normal form. 0/391 useless extension candidates. Maximal degree in co-relation 476. Up to 31 conditions per place. [2023-11-26 10:43:49,381 INFO L140 encePairwiseOnDemand]: 196/201 looper letters, 8 selfloop transitions, 4 changer transitions 0/151 dead transitions. [2023-11-26 10:43:49,381 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 151 transitions, 371 flow [2023-11-26 10:43:49,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:43:49,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 10:43:49,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1093 transitions. [2023-11-26 10:43:49,386 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.906301824212272 [2023-11-26 10:43:49,386 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1093 transitions. [2023-11-26 10:43:49,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1093 transitions. [2023-11-26 10:43:49,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:49,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1093 transitions. [2023-11-26 10:43:49,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 182.16666666666666) internal successors, (1093), 6 states have internal predecessors, (1093), 0 states have call successors, (0), 0 states 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 10:43:49,395 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 201.0) internal successors, (1407), 7 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states 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 10:43:49,398 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 201.0) internal successors, (1407), 7 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states 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 10:43:49,398 INFO L175 Difference]: Start difference. First operand has 158 places, 152 transitions, 349 flow. Second operand 6 states and 1093 transitions. [2023-11-26 10:43:49,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 151 transitions, 371 flow [2023-11-26 10:43:49,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 151 transitions, 367 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:49,403 INFO L231 Difference]: Finished difference. Result has 160 places, 151 transitions, 351 flow [2023-11-26 10:43:49,404 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=343, 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=351, PETRI_PLACES=160, PETRI_TRANSITIONS=151} [2023-11-26 10:43:49,405 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -19 predicate places. [2023-11-26 10:43:49,405 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 151 transitions, 351 flow [2023-11-26 10:43:49,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 181.83333333333334) internal successors, (1091), 6 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:49,406 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:49,407 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:49,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-26 10:43:49,407 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-26 10:43:49,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:49,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1734919865, now seen corresponding path program 1 times [2023-11-26 10:43:49,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:49,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022260858] [2023-11-26 10:43:49,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:49,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:50,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:50,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:50,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022260858] [2023-11-26 10:43:50,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022260858] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:50,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:50,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:43:50,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508650385] [2023-11-26 10:43:50,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:50,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:43:50,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:50,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:43:50,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:43:50,277 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 201 [2023-11-26 10:43:50,279 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 151 transitions, 351 flow. Second operand has 6 states, 6 states have (on average 182.0) internal successors, (1092), 6 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states 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 10:43:50,279 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:50,279 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 201 [2023-11-26 10:43:50,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:50,340 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([490] L57-3-->L57-4: Formula: (= |v_#race~b~0_4| 0) InVars {} OutVars{#race~b~0=|v_#race~b~0_4|} AuxVars[] AssignedVars[#race~b~0][100], [265#true, 146#L49-2true, 235#(= |#race~b~0| 0), Black: 228#true, 221#(= |#race~a~0| 0), 70#L41-2true, 41#L74-4true, 230#(= |#race~c~0| 0), Black: 233#true, 272#true, Black: 219#true, 150#L57-4true]) [2023-11-26 10:43:50,341 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-26 10:43:50,341 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-26 10:43:50,341 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-26 10:43:50,341 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-11-26 10:43:50,356 INFO L124 PetriNetUnfolderBase]: 44/417 cut-off events. [2023-11-26 10:43:50,356 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2023-11-26 10:43:50,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 546 conditions, 417 events. 44/417 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1943 event pairs, 5 based on Foata normal form. 0/391 useless extension candidates. Maximal degree in co-relation 490. Up to 31 conditions per place. [2023-11-26 10:43:50,361 INFO L140 encePairwiseOnDemand]: 196/201 looper letters, 0 selfloop transitions, 0 changer transitions 150/150 dead transitions. [2023-11-26 10:43:50,361 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 150 transitions, 373 flow [2023-11-26 10:43:50,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:43:50,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 10:43:50,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1093 transitions. [2023-11-26 10:43:50,365 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.906301824212272 [2023-11-26 10:43:50,366 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1093 transitions. [2023-11-26 10:43:50,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1093 transitions. [2023-11-26 10:43:50,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:50,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1093 transitions. [2023-11-26 10:43:50,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 182.16666666666666) internal successors, (1093), 6 states have internal predecessors, (1093), 0 states have call successors, (0), 0 states 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 10:43:50,373 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 201.0) internal successors, (1407), 7 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states 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 10:43:50,374 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 201.0) internal successors, (1407), 7 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states 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 10:43:50,375 INFO L175 Difference]: Start difference. First operand has 160 places, 151 transitions, 351 flow. Second operand 6 states and 1093 transitions. [2023-11-26 10:43:50,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 150 transitions, 373 flow [2023-11-26 10:43:50,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 150 transitions, 366 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 10:43:50,378 INFO L231 Difference]: Finished difference. Result has 160 places, 0 transitions, 0 flow [2023-11-26 10:43:50,379 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=342, 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=6, PETRI_FLOW=0, PETRI_PLACES=160, PETRI_TRANSITIONS=0} [2023-11-26 10:43:50,379 INFO L281 CegarLoopForPetriNet]: 179 programPoint places, -19 predicate places. [2023-11-26 10:43:50,379 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 0 transitions, 0 flow [2023-11-26 10:43:50,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 182.0) internal successors, (1092), 6 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states 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 10:43:50,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (37 of 38 remaining) [2023-11-26 10:43:50,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (36 of 38 remaining) [2023-11-26 10:43:50,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (35 of 38 remaining) [2023-11-26 10:43:50,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (34 of 38 remaining) [2023-11-26 10:43:50,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (33 of 38 remaining) [2023-11-26 10:43:50,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (32 of 38 remaining) [2023-11-26 10:43:50,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (31 of 38 remaining) [2023-11-26 10:43:50,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (30 of 38 remaining) [2023-11-26 10:43:50,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (29 of 38 remaining) [2023-11-26 10:43:50,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (28 of 38 remaining) [2023-11-26 10:43:50,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (27 of 38 remaining) [2023-11-26 10:43:50,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (26 of 38 remaining) [2023-11-26 10:43:50,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (25 of 38 remaining) [2023-11-26 10:43:50,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 38 remaining) [2023-11-26 10:43:50,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 38 remaining) [2023-11-26 10:43:50,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 38 remaining) [2023-11-26 10:43:50,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (21 of 38 remaining) [2023-11-26 10:43:50,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (20 of 38 remaining) [2023-11-26 10:43:50,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (19 of 38 remaining) [2023-11-26 10:43:50,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (18 of 38 remaining) [2023-11-26 10:43:50,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (17 of 38 remaining) [2023-11-26 10:43:50,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (16 of 38 remaining) [2023-11-26 10:43:50,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 38 remaining) [2023-11-26 10:43:50,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 38 remaining) [2023-11-26 10:43:50,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 38 remaining) [2023-11-26 10:43:50,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 38 remaining) [2023-11-26 10:43:50,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (11 of 38 remaining) [2023-11-26 10:43:50,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (10 of 38 remaining) [2023-11-26 10:43:50,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (9 of 38 remaining) [2023-11-26 10:43:50,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 38 remaining) [2023-11-26 10:43:50,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 38 remaining) [2023-11-26 10:43:50,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (6 of 38 remaining) [2023-11-26 10:43:50,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (5 of 38 remaining) [2023-11-26 10:43:50,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (4 of 38 remaining) [2023-11-26 10:43:50,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (3 of 38 remaining) [2023-11-26 10:43:50,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 38 remaining) [2023-11-26 10:43:50,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (1 of 38 remaining) [2023-11-26 10:43:50,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (0 of 38 remaining) [2023-11-26 10:43:50,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-26 10:43:50,392 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:50,398 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 10:43:50,398 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:43:50,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:43:50 BasicIcfg [2023-11-26 10:43:50,405 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:43:50,405 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:43:50,405 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:43:50,406 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:43:50,406 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:43" (3/4) ... [2023-11-26 10:43:50,408 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 10:43:50,412 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-26 10:43:50,412 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-26 10:43:50,412 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-26 10:43:50,418 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-26 10:43:50,418 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-26 10:43:50,419 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 10:43:50,419 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 10:43:50,530 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f3e76-70a9-4cd6-a99d-be2cff401bbc/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:43:50,530 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f3e76-70a9-4cd6-a99d-be2cff401bbc/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 10:43:50,531 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:43:50,531 INFO L158 Benchmark]: Toolchain (without parser) took 8555.33ms. Allocated memory was 134.2MB in the beginning and 209.7MB in the end (delta: 75.5MB). Free memory was 89.3MB in the beginning and 177.2MB in the end (delta: -87.9MB). Peak memory consumption was 110.5MB. Max. memory is 16.1GB. [2023-11-26 10:43:50,532 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 100.7MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:43:50,532 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.86ms. Allocated memory is still 134.2MB. Free memory was 89.0MB in the beginning and 77.4MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 10:43:50,532 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.06ms. Allocated memory is still 134.2MB. Free memory was 77.4MB in the beginning and 75.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:43:50,533 INFO L158 Benchmark]: Boogie Preprocessor took 46.36ms. Allocated memory is still 134.2MB. Free memory was 75.6MB in the beginning and 73.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:43:50,533 INFO L158 Benchmark]: RCFGBuilder took 845.33ms. Allocated memory is still 134.2MB. Free memory was 73.8MB in the beginning and 95.1MB in the end (delta: -21.3MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-11-26 10:43:50,534 INFO L158 Benchmark]: TraceAbstraction took 7122.42ms. Allocated memory was 134.2MB in the beginning and 209.7MB in the end (delta: 75.5MB). Free memory was 94.4MB in the beginning and 61.3MB in the end (delta: 33.1MB). Peak memory consumption was 106.9MB. Max. memory is 16.1GB. [2023-11-26 10:43:50,534 INFO L158 Benchmark]: Witness Printer took 125.54ms. Allocated memory is still 209.7MB. Free memory was 61.3MB in the beginning and 177.2MB in the end (delta: -115.9MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2023-11-26 10:43:50,539 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 100.7MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.86ms. Allocated memory is still 134.2MB. Free memory was 89.0MB in the beginning and 77.4MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.06ms. Allocated memory is still 134.2MB. Free memory was 77.4MB in the beginning and 75.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.36ms. Allocated memory is still 134.2MB. Free memory was 75.6MB in the beginning and 73.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 845.33ms. Allocated memory is still 134.2MB. Free memory was 73.8MB in the beginning and 95.1MB in the end (delta: -21.3MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7122.42ms. Allocated memory was 134.2MB in the beginning and 209.7MB in the end (delta: 75.5MB). Free memory was 94.4MB in the beginning and 61.3MB in the end (delta: 33.1MB). Peak memory consumption was 106.9MB. Max. memory is 16.1GB. * Witness Printer took 125.54ms. Allocated memory is still 209.7MB. Free memory was 61.3MB in the beginning and 177.2MB in the end (delta: -115.9MB). Peak memory consumption was 6.7MB. 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: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 276 locations, 38 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: 6.9s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 437 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 184 mSDsluCounter, 61 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 151 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 778 IncrementalHoareTripleChecker+Invalid, 929 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 151 mSolverCounterUnsat, 61 mSDtfsCounter, 778 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=377occurred in iteration=8, InterpolantAutomatonStates: 54, 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, 2.6s InterpolantComputationTime, 822 NumberOfCodeBlocks, 822 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 807 ConstructedInterpolants, 0 QuantifiedInterpolants, 1074 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 10:43:50,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f3e76-70a9-4cd6-a99d-be2cff401bbc/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE