./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-5.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_90d45790-668f-43c9-991d-9c9f152b0482/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d45790-668f-43c9-991d-9c9f152b0482/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d45790-668f-43c9-991d-9c9f152b0482/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d45790-668f-43c9-991d-9c9f152b0482/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-5.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d45790-668f-43c9-991d-9c9f152b0482/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d45790-668f-43c9-991d-9c9f152b0482/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 103efe8931e099ca6c2446ad32c4c46818a6d213fc850bc42032bda38d601e6f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:52:41,430 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:52:41,508 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d45790-668f-43c9-991d-9c9f152b0482/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 06:52:41,513 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:52:41,513 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:52:41,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:52:41,537 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:52:41,538 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:52:41,538 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:52:41,539 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:52:41,540 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:52:41,540 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:52:41,541 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:52:41,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:52:41,542 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:52:41,542 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:52:41,543 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:52:41,543 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:52:41,544 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:52:41,544 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:52:41,544 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:52:41,548 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:52:41,548 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 06:52:41,549 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:52:41,549 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:52:41,550 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:52:41,550 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:52:41,550 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:52:41,551 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:52:41,551 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:52:41,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:52:41,552 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:52:41,552 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:52:41,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:52:41,552 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:52:41,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:52:41,553 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:52:41,553 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:52:41,553 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:52:41,553 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:52:41,554 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:52:41,554 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_90d45790-668f-43c9-991d-9c9f152b0482/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d45790-668f-43c9-991d-9c9f152b0482/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 103efe8931e099ca6c2446ad32c4c46818a6d213fc850bc42032bda38d601e6f [2023-11-29 06:52:41,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:52:41,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:52:41,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:52:41,792 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:52:41,792 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:52:41,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d45790-668f-43c9-991d-9c9f152b0482/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/parallel-misc-5.wvr.c [2023-11-29 06:52:44,574 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:52:44,762 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:52:44,762 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d45790-668f-43c9-991d-9c9f152b0482/sv-benchmarks/c/weaver/parallel-misc-5.wvr.c [2023-11-29 06:52:44,770 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d45790-668f-43c9-991d-9c9f152b0482/bin/uautomizer-verify-BQ2R08f2Ya/data/806dc32d1/634838541ff240d9a9625a2c76375a15/FLAG14f0a3774 [2023-11-29 06:52:44,784 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d45790-668f-43c9-991d-9c9f152b0482/bin/uautomizer-verify-BQ2R08f2Ya/data/806dc32d1/634838541ff240d9a9625a2c76375a15 [2023-11-29 06:52:44,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:52:44,788 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:52:44,790 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:52:44,790 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:52:44,796 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:52:44,797 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:52:44" (1/1) ... [2023-11-29 06:52:44,798 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b7319af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:44, skipping insertion in model container [2023-11-29 06:52:44,798 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:52:44" (1/1) ... [2023-11-29 06:52:44,825 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:52:45,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:52:45,036 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:52:45,065 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:52:45,073 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:52:45,073 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:52:45,081 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:52:45,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:45 WrapperNode [2023-11-29 06:52:45,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:52:45,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:52:45,083 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:52:45,083 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:52:45,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:45" (1/1) ... [2023-11-29 06:52:45,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:45" (1/1) ... [2023-11-29 06:52:45,133 INFO L138 Inliner]: procedures = 22, calls = 46, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 267 [2023-11-29 06:52:45,134 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:52:45,134 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:52:45,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:52:45,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:52:45,145 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:45" (1/1) ... [2023-11-29 06:52:45,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:45" (1/1) ... [2023-11-29 06:52:45,151 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:45" (1/1) ... [2023-11-29 06:52:45,152 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:45" (1/1) ... [2023-11-29 06:52:45,163 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:45" (1/1) ... [2023-11-29 06:52:45,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:45" (1/1) ... [2023-11-29 06:52:45,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:45" (1/1) ... [2023-11-29 06:52:45,172 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:45" (1/1) ... [2023-11-29 06:52:45,176 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:52:45,177 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:52:45,177 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:52:45,177 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:52:45,178 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:45" (1/1) ... [2023-11-29 06:52:45,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:52:45,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d45790-668f-43c9-991d-9c9f152b0482/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:52:45,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d45790-668f-43c9-991d-9c9f152b0482/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:52:45,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d45790-668f-43c9-991d-9c9f152b0482/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:52:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:52:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 06:52:45,247 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 06:52:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 06:52:45,247 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 06:52:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 06:52:45,249 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 06:52:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 06:52:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 06:52:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 06:52:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 06:52:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 06:52:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:52:45,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:52:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 06:52:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 06:52:45,252 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 06:52:45,376 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:52:45,379 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:52:45,729 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:52:45,874 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:52:45,875 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 06:52:45,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:52:45 BoogieIcfgContainer [2023-11-29 06:52:45,877 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:52:45,880 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:52:45,880 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:52:45,883 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:52:45,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:52:44" (1/3) ... [2023-11-29 06:52:45,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b9b5c35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:52:45, skipping insertion in model container [2023-11-29 06:52:45,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:45" (2/3) ... [2023-11-29 06:52:45,885 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b9b5c35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:52:45, skipping insertion in model container [2023-11-29 06:52:45,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:52:45" (3/3) ... [2023-11-29 06:52:45,887 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-5.wvr.c [2023-11-29 06:52:45,895 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 06:52:45,914 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:52:45,914 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2023-11-29 06:52:45,914 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 06:52:45,986 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-29 06:52:46,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 211 places, 211 transitions, 443 flow [2023-11-29 06:52:46,099 INFO L124 PetriNetUnfolderBase]: 10/208 cut-off events. [2023-11-29 06:52:46,100 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 06:52:46,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 208 events. 10/208 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 289 event pairs, 0 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 162. Up to 2 conditions per place. [2023-11-29 06:52:46,106 INFO L82 GeneralOperation]: Start removeDead. Operand has 211 places, 211 transitions, 443 flow [2023-11-29 06:52:46,112 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 192 places, 192 transitions, 399 flow [2023-11-29 06:52:46,122 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:52:46,130 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;@66a04839, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:52:46,130 INFO L358 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2023-11-29 06:52:46,135 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 06:52:46,136 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2023-11-29 06:52:46,136 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 06:52:46,136 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:52:46,137 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] [2023-11-29 06:52:46,137 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 06:52:46,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:46,143 INFO L85 PathProgramCache]: Analyzing trace with hash 8552264, now seen corresponding path program 1 times [2023-11-29 06:52:46,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:46,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138106504] [2023-11-29 06:52:46,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:46,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:46,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:52:46,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:46,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138106504] [2023-11-29 06:52:46,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138106504] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:46,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:46,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:52:46,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853732421] [2023-11-29 06:52:46,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:46,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:52:46,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:46,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:52:46,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:52:46,416 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 211 [2023-11-29 06:52:46,420 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 192 transitions, 399 flow. Second operand has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:46,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:52:46,421 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 211 [2023-11-29 06:52:46,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:52:46,564 INFO L124 PetriNetUnfolderBase]: 83/401 cut-off events. [2023-11-29 06:52:46,565 INFO L125 PetriNetUnfolderBase]: For 37/57 co-relation queries the response was YES. [2023-11-29 06:52:46,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 566 conditions, 401 events. 83/401 cut-off events. For 37/57 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1449 event pairs, 38 based on Foata normal form. 22/362 useless extension candidates. Maximal degree in co-relation 399. Up to 125 conditions per place. [2023-11-29 06:52:46,571 INFO L140 encePairwiseOnDemand]: 181/211 looper letters, 20 selfloop transitions, 2 changer transitions 1/164 dead transitions. [2023-11-29 06:52:46,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 164 transitions, 387 flow [2023-11-29 06:52:46,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:52:46,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:52:46,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 524 transitions. [2023-11-29 06:52:46,589 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8278041074249605 [2023-11-29 06:52:46,590 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 524 transitions. [2023-11-29 06:52:46,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 524 transitions. [2023-11-29 06:52:46,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:52:46,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 524 transitions. [2023-11-29 06:52:46,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:46,606 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:46,607 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:46,609 INFO L175 Difference]: Start difference. First operand has 192 places, 192 transitions, 399 flow. Second operand 3 states and 524 transitions. [2023-11-29 06:52:46,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 164 transitions, 387 flow [2023-11-29 06:52:46,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 164 transitions, 378 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 06:52:46,620 INFO L231 Difference]: Finished difference. Result has 164 places, 163 transitions, 336 flow [2023-11-29 06:52:46,623 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=162, 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=336, PETRI_PLACES=164, PETRI_TRANSITIONS=163} [2023-11-29 06:52:46,642 INFO L281 CegarLoopForPetriNet]: 192 programPoint places, -28 predicate places. [2023-11-29 06:52:46,643 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 163 transitions, 336 flow [2023-11-29 06:52:46,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:46,644 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:52:46,644 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] [2023-11-29 06:52:46,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:52:46,645 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 06:52:46,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:46,645 INFO L85 PathProgramCache]: Analyzing trace with hash -2098890735, now seen corresponding path program 1 times [2023-11-29 06:52:46,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:46,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581052308] [2023-11-29 06:52:46,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:46,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:46,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:52:46,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:46,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581052308] [2023-11-29 06:52:46,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581052308] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:46,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:46,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:52:46,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042796399] [2023-11-29 06:52:46,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:46,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:52:46,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:46,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:52:46,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:52:46,734 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 211 [2023-11-29 06:52:46,735 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 163 transitions, 336 flow. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:46,735 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:52:46,736 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 211 [2023-11-29 06:52:46,736 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:52:46,851 INFO L124 PetriNetUnfolderBase]: 83/399 cut-off events. [2023-11-29 06:52:46,852 INFO L125 PetriNetUnfolderBase]: For 8/28 co-relation queries the response was YES. [2023-11-29 06:52:46,853 INFO L83 FinitePrefix]: Finished finitePrefix Result has 550 conditions, 399 events. 83/399 cut-off events. For 8/28 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1470 event pairs, 38 based on Foata normal form. 0/340 useless extension candidates. Maximal degree in co-relation 521. Up to 123 conditions per place. [2023-11-29 06:52:46,856 INFO L140 encePairwiseOnDemand]: 208/211 looper letters, 18 selfloop transitions, 2 changer transitions 0/162 dead transitions. [2023-11-29 06:52:46,857 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 162 transitions, 374 flow [2023-11-29 06:52:46,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:52:46,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:52:46,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 501 transitions. [2023-11-29 06:52:46,860 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7914691943127962 [2023-11-29 06:52:46,860 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 501 transitions. [2023-11-29 06:52:46,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 501 transitions. [2023-11-29 06:52:46,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:52:46,861 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 501 transitions. [2023-11-29 06:52:46,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:46,866 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:46,867 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:46,867 INFO L175 Difference]: Start difference. First operand has 164 places, 163 transitions, 336 flow. Second operand 3 states and 501 transitions. [2023-11-29 06:52:46,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 162 transitions, 374 flow [2023-11-29 06:52:46,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 162 transitions, 370 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:52:46,874 INFO L231 Difference]: Finished difference. Result has 162 places, 162 transitions, 334 flow [2023-11-29 06:52:46,874 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=162, PETRI_TRANSITIONS=162} [2023-11-29 06:52:46,875 INFO L281 CegarLoopForPetriNet]: 192 programPoint places, -30 predicate places. [2023-11-29 06:52:46,875 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 162 transitions, 334 flow [2023-11-29 06:52:46,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:46,876 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:52:46,876 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] [2023-11-29 06:52:46,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:52:46,877 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 06:52:46,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:46,878 INFO L85 PathProgramCache]: Analyzing trace with hash -378027391, now seen corresponding path program 1 times [2023-11-29 06:52:46,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:46,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837226775] [2023-11-29 06:52:46,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:46,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:46,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:52:46,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:46,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837226775] [2023-11-29 06:52:46,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837226775] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:46,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:46,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:52:46,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653410082] [2023-11-29 06:52:46,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:46,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:52:46,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:46,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:52:46,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:52:46,951 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 211 [2023-11-29 06:52:46,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 162 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:46,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:52:46,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 211 [2023-11-29 06:52:46,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:52:47,039 INFO L124 PetriNetUnfolderBase]: 83/398 cut-off events. [2023-11-29 06:52:47,039 INFO L125 PetriNetUnfolderBase]: For 8/28 co-relation queries the response was YES. [2023-11-29 06:52:47,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 549 conditions, 398 events. 83/398 cut-off events. For 8/28 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1458 event pairs, 38 based on Foata normal form. 0/340 useless extension candidates. Maximal degree in co-relation 512. Up to 123 conditions per place. [2023-11-29 06:52:47,043 INFO L140 encePairwiseOnDemand]: 208/211 looper letters, 18 selfloop transitions, 2 changer transitions 0/161 dead transitions. [2023-11-29 06:52:47,043 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 161 transitions, 372 flow [2023-11-29 06:52:47,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:52:47,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:52:47,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 501 transitions. [2023-11-29 06:52:47,046 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7914691943127962 [2023-11-29 06:52:47,046 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 501 transitions. [2023-11-29 06:52:47,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 501 transitions. [2023-11-29 06:52:47,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:52:47,047 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 501 transitions. [2023-11-29 06:52:47,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:47,051 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:47,052 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:47,052 INFO L175 Difference]: Start difference. First operand has 162 places, 162 transitions, 334 flow. Second operand 3 states and 501 transitions. [2023-11-29 06:52:47,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 161 transitions, 372 flow [2023-11-29 06:52:47,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 161 transitions, 368 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:52:47,057 INFO L231 Difference]: Finished difference. Result has 161 places, 161 transitions, 332 flow [2023-11-29 06:52:47,058 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=161, PETRI_TRANSITIONS=161} [2023-11-29 06:52:47,059 INFO L281 CegarLoopForPetriNet]: 192 programPoint places, -31 predicate places. [2023-11-29 06:52:47,059 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 161 transitions, 332 flow [2023-11-29 06:52:47,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:47,060 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:52:47,060 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] [2023-11-29 06:52:47,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:52:47,060 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 06:52:47,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:47,061 INFO L85 PathProgramCache]: Analyzing trace with hash -50203800, now seen corresponding path program 1 times [2023-11-29 06:52:47,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:47,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619194581] [2023-11-29 06:52:47,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:47,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:47,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:52:47,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:47,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619194581] [2023-11-29 06:52:47,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619194581] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:47,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:47,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:52:47,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639351272] [2023-11-29 06:52:47,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:47,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:52:47,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:47,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:52:47,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:52:47,132 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 211 [2023-11-29 06:52:47,133 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 161 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:47,133 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:52:47,133 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 211 [2023-11-29 06:52:47,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:52:47,244 INFO L124 PetriNetUnfolderBase]: 83/397 cut-off events. [2023-11-29 06:52:47,244 INFO L125 PetriNetUnfolderBase]: For 8/28 co-relation queries the response was YES. [2023-11-29 06:52:47,245 INFO L83 FinitePrefix]: Finished finitePrefix Result has 548 conditions, 397 events. 83/397 cut-off events. For 8/28 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1457 event pairs, 38 based on Foata normal form. 0/340 useless extension candidates. Maximal degree in co-relation 503. Up to 123 conditions per place. [2023-11-29 06:52:47,247 INFO L140 encePairwiseOnDemand]: 208/211 looper letters, 18 selfloop transitions, 2 changer transitions 0/160 dead transitions. [2023-11-29 06:52:47,247 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 160 transitions, 370 flow [2023-11-29 06:52:47,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:52:47,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:52:47,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 501 transitions. [2023-11-29 06:52:47,250 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7914691943127962 [2023-11-29 06:52:47,250 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 501 transitions. [2023-11-29 06:52:47,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 501 transitions. [2023-11-29 06:52:47,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:52:47,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 501 transitions. [2023-11-29 06:52:47,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:47,255 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:47,256 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:47,256 INFO L175 Difference]: Start difference. First operand has 161 places, 161 transitions, 332 flow. Second operand 3 states and 501 transitions. [2023-11-29 06:52:47,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 160 transitions, 370 flow [2023-11-29 06:52:47,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 160 transitions, 366 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:52:47,260 INFO L231 Difference]: Finished difference. Result has 160 places, 160 transitions, 330 flow [2023-11-29 06:52:47,260 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=158, 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=330, PETRI_PLACES=160, PETRI_TRANSITIONS=160} [2023-11-29 06:52:47,261 INFO L281 CegarLoopForPetriNet]: 192 programPoint places, -32 predicate places. [2023-11-29 06:52:47,261 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 160 transitions, 330 flow [2023-11-29 06:52:47,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:47,262 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:52:47,262 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] [2023-11-29 06:52:47,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 06:52:47,263 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 06:52:47,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:47,263 INFO L85 PathProgramCache]: Analyzing trace with hash -71295534, now seen corresponding path program 1 times [2023-11-29 06:52:47,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:47,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720113555] [2023-11-29 06:52:47,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:47,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:47,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:52:47,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:47,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720113555] [2023-11-29 06:52:47,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720113555] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:47,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:47,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:52:47,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094929927] [2023-11-29 06:52:47,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:47,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:52:47,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:47,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:52:47,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:52:47,330 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 211 [2023-11-29 06:52:47,331 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 160 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:47,332 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:52:47,332 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 211 [2023-11-29 06:52:47,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:52:47,432 INFO L124 PetriNetUnfolderBase]: 129/592 cut-off events. [2023-11-29 06:52:47,433 INFO L125 PetriNetUnfolderBase]: For 15/39 co-relation queries the response was YES. [2023-11-29 06:52:47,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 819 conditions, 592 events. 129/592 cut-off events. For 15/39 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2725 event pairs, 19 based on Foata normal form. 3/519 useless extension candidates. Maximal degree in co-relation 767. Up to 131 conditions per place. [2023-11-29 06:52:47,437 INFO L140 encePairwiseOnDemand]: 202/211 looper letters, 28 selfloop transitions, 6 changer transitions 0/170 dead transitions. [2023-11-29 06:52:47,437 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 170 transitions, 423 flow [2023-11-29 06:52:47,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:52:47,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:52:47,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 511 transitions. [2023-11-29 06:52:47,441 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8072669826224329 [2023-11-29 06:52:47,442 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 511 transitions. [2023-11-29 06:52:47,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 511 transitions. [2023-11-29 06:52:47,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:52:47,442 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 511 transitions. [2023-11-29 06:52:47,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:47,445 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:47,446 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:47,446 INFO L175 Difference]: Start difference. First operand has 160 places, 160 transitions, 330 flow. Second operand 3 states and 511 transitions. [2023-11-29 06:52:47,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 170 transitions, 423 flow [2023-11-29 06:52:47,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 170 transitions, 419 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:52:47,449 INFO L231 Difference]: Finished difference. Result has 159 places, 162 transitions, 364 flow [2023-11-29 06:52:47,450 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=364, PETRI_PLACES=159, PETRI_TRANSITIONS=162} [2023-11-29 06:52:47,451 INFO L281 CegarLoopForPetriNet]: 192 programPoint places, -33 predicate places. [2023-11-29 06:52:47,451 INFO L495 AbstractCegarLoop]: Abstraction has has 159 places, 162 transitions, 364 flow [2023-11-29 06:52:47,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:47,452 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:52:47,452 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:52:47,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 06:52:47,452 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 06:52:47,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:47,453 INFO L85 PathProgramCache]: Analyzing trace with hash 204488195, now seen corresponding path program 1 times [2023-11-29 06:52:47,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:47,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519182438] [2023-11-29 06:52:47,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:47,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:47,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:52:47,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:47,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519182438] [2023-11-29 06:52:47,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519182438] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:47,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:47,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:52:47,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091600389] [2023-11-29 06:52:47,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:47,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:52:47,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:47,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:52:47,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:52:47,508 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 211 [2023-11-29 06:52:47,509 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 162 transitions, 364 flow. Second operand has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:47,509 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:52:47,509 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 211 [2023-11-29 06:52:47,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:52:47,638 INFO L124 PetriNetUnfolderBase]: 168/743 cut-off events. [2023-11-29 06:52:47,638 INFO L125 PetriNetUnfolderBase]: For 215/249 co-relation queries the response was YES. [2023-11-29 06:52:47,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1222 conditions, 743 events. 168/743 cut-off events. For 215/249 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3923 event pairs, 41 based on Foata normal form. 1/649 useless extension candidates. Maximal degree in co-relation 824. Up to 143 conditions per place. [2023-11-29 06:52:47,643 INFO L140 encePairwiseOnDemand]: 207/211 looper letters, 32 selfloop transitions, 5 changer transitions 0/176 dead transitions. [2023-11-29 06:52:47,643 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 176 transitions, 499 flow [2023-11-29 06:52:47,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:52:47,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:52:47,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 521 transitions. [2023-11-29 06:52:47,645 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8230647709320695 [2023-11-29 06:52:47,645 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 521 transitions. [2023-11-29 06:52:47,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 521 transitions. [2023-11-29 06:52:47,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:52:47,646 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 521 transitions. [2023-11-29 06:52:47,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:47,649 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:47,649 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:47,649 INFO L175 Difference]: Start difference. First operand has 159 places, 162 transitions, 364 flow. Second operand 3 states and 521 transitions. [2023-11-29 06:52:47,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 176 transitions, 499 flow [2023-11-29 06:52:47,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 176 transitions, 477 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:52:47,654 INFO L231 Difference]: Finished difference. Result has 159 places, 165 transitions, 389 flow [2023-11-29 06:52:47,654 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=389, PETRI_PLACES=159, PETRI_TRANSITIONS=165} [2023-11-29 06:52:47,655 INFO L281 CegarLoopForPetriNet]: 192 programPoint places, -33 predicate places. [2023-11-29 06:52:47,655 INFO L495 AbstractCegarLoop]: Abstraction has has 159 places, 165 transitions, 389 flow [2023-11-29 06:52:47,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:47,656 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:52:47,656 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] [2023-11-29 06:52:47,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 06:52:47,656 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 06:52:47,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:47,657 INFO L85 PathProgramCache]: Analyzing trace with hash -453199563, now seen corresponding path program 1 times [2023-11-29 06:52:47,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:47,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523669732] [2023-11-29 06:52:47,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:47,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:47,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:52:47,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:47,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523669732] [2023-11-29 06:52:47,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523669732] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:47,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:47,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:52:47,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035938452] [2023-11-29 06:52:47,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:47,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:52:47,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:47,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:52:47,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:52:47,710 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 211 [2023-11-29 06:52:47,711 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 165 transitions, 389 flow. Second operand has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:47,711 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:52:47,711 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 211 [2023-11-29 06:52:47,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:52:47,883 INFO L124 PetriNetUnfolderBase]: 269/1226 cut-off events. [2023-11-29 06:52:47,883 INFO L125 PetriNetUnfolderBase]: For 381/466 co-relation queries the response was YES. [2023-11-29 06:52:47,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2025 conditions, 1226 events. 269/1226 cut-off events. For 381/466 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 7990 event pairs, 100 based on Foata normal form. 0/1045 useless extension candidates. Maximal degree in co-relation 899. Up to 284 conditions per place. [2023-11-29 06:52:47,891 INFO L140 encePairwiseOnDemand]: 207/211 looper letters, 41 selfloop transitions, 5 changer transitions 0/184 dead transitions. [2023-11-29 06:52:47,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 184 transitions, 563 flow [2023-11-29 06:52:47,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:52:47,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:52:47,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 523 transitions. [2023-11-29 06:52:47,894 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8262243285939969 [2023-11-29 06:52:47,894 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 523 transitions. [2023-11-29 06:52:47,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 523 transitions. [2023-11-29 06:52:47,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:52:47,894 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 523 transitions. [2023-11-29 06:52:47,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:47,897 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:47,897 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:47,897 INFO L175 Difference]: Start difference. First operand has 159 places, 165 transitions, 389 flow. Second operand 3 states and 523 transitions. [2023-11-29 06:52:47,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 184 transitions, 563 flow [2023-11-29 06:52:47,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 184 transitions, 556 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 06:52:47,903 INFO L231 Difference]: Finished difference. Result has 160 places, 168 transitions, 421 flow [2023-11-29 06:52:47,904 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=421, PETRI_PLACES=160, PETRI_TRANSITIONS=168} [2023-11-29 06:52:47,904 INFO L281 CegarLoopForPetriNet]: 192 programPoint places, -32 predicate places. [2023-11-29 06:52:47,905 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 168 transitions, 421 flow [2023-11-29 06:52:47,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:47,905 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:52:47,905 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:52:47,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 06:52:47,905 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 06:52:47,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:47,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1520791453, now seen corresponding path program 1 times [2023-11-29 06:52:47,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:47,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301589338] [2023-11-29 06:52:47,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:47,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:47,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:52:47,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:47,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301589338] [2023-11-29 06:52:47,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301589338] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:47,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:47,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:52:47,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789273277] [2023-11-29 06:52:47,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:47,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:52:47,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:47,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:52:47,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:52:47,963 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 211 [2023-11-29 06:52:47,963 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 168 transitions, 421 flow. Second operand has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:47,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:52:47,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 211 [2023-11-29 06:52:47,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:52:48,172 INFO L124 PetriNetUnfolderBase]: 339/1623 cut-off events. [2023-11-29 06:52:48,172 INFO L125 PetriNetUnfolderBase]: For 702/847 co-relation queries the response was YES. [2023-11-29 06:52:48,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2758 conditions, 1623 events. 339/1623 cut-off events. For 702/847 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 11729 event pairs, 47 based on Foata normal form. 35/1460 useless extension candidates. Maximal degree in co-relation 1640. Up to 397 conditions per place. [2023-11-29 06:52:48,183 INFO L140 encePairwiseOnDemand]: 204/211 looper letters, 49 selfloop transitions, 7 changer transitions 0/193 dead transitions. [2023-11-29 06:52:48,183 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 193 transitions, 659 flow [2023-11-29 06:52:48,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:52:48,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:52:48,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 524 transitions. [2023-11-29 06:52:48,186 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8278041074249605 [2023-11-29 06:52:48,186 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 524 transitions. [2023-11-29 06:52:48,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 524 transitions. [2023-11-29 06:52:48,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:52:48,186 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 524 transitions. [2023-11-29 06:52:48,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:48,189 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:48,189 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:48,189 INFO L175 Difference]: Start difference. First operand has 160 places, 168 transitions, 421 flow. Second operand 3 states and 524 transitions. [2023-11-29 06:52:48,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 193 transitions, 659 flow [2023-11-29 06:52:48,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 193 transitions, 650 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 06:52:48,195 INFO L231 Difference]: Finished difference. Result has 162 places, 172 transitions, 464 flow [2023-11-29 06:52:48,196 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=464, PETRI_PLACES=162, PETRI_TRANSITIONS=172} [2023-11-29 06:52:48,196 INFO L281 CegarLoopForPetriNet]: 192 programPoint places, -30 predicate places. [2023-11-29 06:52:48,197 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 172 transitions, 464 flow [2023-11-29 06:52:48,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:48,197 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:52:48,197 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:52:48,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 06:52:48,198 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 06:52:48,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:48,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1532301717, now seen corresponding path program 1 times [2023-11-29 06:52:48,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:48,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045504371] [2023-11-29 06:52:48,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:48,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:48,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:52:48,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:48,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045504371] [2023-11-29 06:52:48,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045504371] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:48,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:48,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:52:48,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362975778] [2023-11-29 06:52:48,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:48,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:52:48,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:48,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:52:48,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:52:48,900 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 211 [2023-11-29 06:52:48,901 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 172 transitions, 464 flow. Second operand has 6 states, 6 states have (on average 159.66666666666666) internal successors, (958), 6 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:48,902 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:52:48,902 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 211 [2023-11-29 06:52:48,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:52:49,519 INFO L124 PetriNetUnfolderBase]: 1629/3365 cut-off events. [2023-11-29 06:52:49,519 INFO L125 PetriNetUnfolderBase]: For 4646/4702 co-relation queries the response was YES. [2023-11-29 06:52:49,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8863 conditions, 3365 events. 1629/3365 cut-off events. For 4646/4702 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 20669 event pairs, 46 based on Foata normal form. 0/3150 useless extension candidates. Maximal degree in co-relation 4962. Up to 971 conditions per place. [2023-11-29 06:52:49,559 INFO L140 encePairwiseOnDemand]: 206/211 looper letters, 143 selfloop transitions, 4 changer transitions 0/279 dead transitions. [2023-11-29 06:52:49,559 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 279 transitions, 1388 flow [2023-11-29 06:52:49,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:52:49,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:52:49,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1006 transitions. [2023-11-29 06:52:49,564 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7946287519747235 [2023-11-29 06:52:49,564 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1006 transitions. [2023-11-29 06:52:49,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1006 transitions. [2023-11-29 06:52:49,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:52:49,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1006 transitions. [2023-11-29 06:52:49,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 167.66666666666666) internal successors, (1006), 6 states have internal predecessors, (1006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:49,571 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 211.0) internal successors, (1477), 7 states have internal predecessors, (1477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:49,572 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 211.0) internal successors, (1477), 7 states have internal predecessors, (1477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:49,572 INFO L175 Difference]: Start difference. First operand has 162 places, 172 transitions, 464 flow. Second operand 6 states and 1006 transitions. [2023-11-29 06:52:49,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 279 transitions, 1388 flow [2023-11-29 06:52:49,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 279 transitions, 1326 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:52:49,583 INFO L231 Difference]: Finished difference. Result has 164 places, 171 transitions, 456 flow [2023-11-29 06:52:49,584 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=448, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=456, PETRI_PLACES=164, PETRI_TRANSITIONS=171} [2023-11-29 06:52:49,584 INFO L281 CegarLoopForPetriNet]: 192 programPoint places, -28 predicate places. [2023-11-29 06:52:49,585 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 171 transitions, 456 flow [2023-11-29 06:52:49,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 159.66666666666666) internal successors, (958), 6 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:49,585 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:52:49,585 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:52:49,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 06:52:49,586 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 06:52:49,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:49,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1535996793, now seen corresponding path program 1 times [2023-11-29 06:52:49,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:49,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819264977] [2023-11-29 06:52:49,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:49,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:50,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:52:50,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:50,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819264977] [2023-11-29 06:52:50,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819264977] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:50,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:50,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:52:50,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509372883] [2023-11-29 06:52:50,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:50,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:52:50,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:50,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:52:50,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:52:50,305 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 211 [2023-11-29 06:52:50,306 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 171 transitions, 456 flow. Second operand has 6 states, 6 states have (on average 160.0) internal successors, (960), 6 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:50,306 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:52:50,307 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 211 [2023-11-29 06:52:50,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:52:50,656 INFO L124 PetriNetUnfolderBase]: 674/2048 cut-off events. [2023-11-29 06:52:50,657 INFO L125 PetriNetUnfolderBase]: For 1545/1669 co-relation queries the response was YES. [2023-11-29 06:52:50,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4415 conditions, 2048 events. 674/2048 cut-off events. For 1545/1669 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 13755 event pairs, 72 based on Foata normal form. 4/1837 useless extension candidates. Maximal degree in co-relation 2211. Up to 489 conditions per place. [2023-11-29 06:52:50,677 INFO L140 encePairwiseOnDemand]: 206/211 looper letters, 91 selfloop transitions, 4 changer transitions 0/226 dead transitions. [2023-11-29 06:52:50,677 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 226 transitions, 948 flow [2023-11-29 06:52:50,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:52:50,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:52:50,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 990 transitions. [2023-11-29 06:52:50,681 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7819905213270142 [2023-11-29 06:52:50,682 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 990 transitions. [2023-11-29 06:52:50,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 990 transitions. [2023-11-29 06:52:50,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:52:50,683 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 990 transitions. [2023-11-29 06:52:50,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 165.0) internal successors, (990), 6 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:50,689 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 211.0) internal successors, (1477), 7 states have internal predecessors, (1477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:50,690 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 211.0) internal successors, (1477), 7 states have internal predecessors, (1477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:50,690 INFO L175 Difference]: Start difference. First operand has 164 places, 171 transitions, 456 flow. Second operand 6 states and 990 transitions. [2023-11-29 06:52:50,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 226 transitions, 948 flow [2023-11-29 06:52:50,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 226 transitions, 941 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 06:52:50,697 INFO L231 Difference]: Finished difference. Result has 164 places, 170 transitions, 455 flow [2023-11-29 06:52:50,698 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=447, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=455, PETRI_PLACES=164, PETRI_TRANSITIONS=170} [2023-11-29 06:52:50,698 INFO L281 CegarLoopForPetriNet]: 192 programPoint places, -28 predicate places. [2023-11-29 06:52:50,698 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 170 transitions, 455 flow [2023-11-29 06:52:50,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 160.0) internal successors, (960), 6 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:50,699 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:52:50,699 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:52:50,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 06:52:50,700 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-29 06:52:50,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:50,700 INFO L85 PathProgramCache]: Analyzing trace with hash -907854394, now seen corresponding path program 1 times [2023-11-29 06:52:50,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:50,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589313014] [2023-11-29 06:52:50,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:50,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:51,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:52:51,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:51,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589313014] [2023-11-29 06:52:51,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589313014] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:51,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:51,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:52:51,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71108526] [2023-11-29 06:52:51,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:51,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:52:51,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:51,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:52:51,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:52:51,397 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 211 [2023-11-29 06:52:51,398 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 170 transitions, 455 flow. Second operand has 6 states, 6 states have (on average 160.33333333333334) internal successors, (962), 6 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:51,398 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:52:51,398 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 211 [2023-11-29 06:52:51,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:52:51,651 INFO L124 PetriNetUnfolderBase]: 364/1592 cut-off events. [2023-11-29 06:52:51,651 INFO L125 PetriNetUnfolderBase]: For 871/1019 co-relation queries the response was YES. [2023-11-29 06:52:51,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3073 conditions, 1592 events. 364/1592 cut-off events. For 871/1019 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 11297 event pairs, 76 based on Foata normal form. 0/1389 useless extension candidates. Maximal degree in co-relation 2596. Up to 510 conditions per place. [2023-11-29 06:52:51,658 INFO L140 encePairwiseOnDemand]: 206/211 looper letters, 0 selfloop transitions, 0 changer transitions 177/177 dead transitions. [2023-11-29 06:52:51,658 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 177 transitions, 595 flow [2023-11-29 06:52:51,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:52:51,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:52:51,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 974 transitions. [2023-11-29 06:52:51,662 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7693522906793049 [2023-11-29 06:52:51,662 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 974 transitions. [2023-11-29 06:52:51,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 974 transitions. [2023-11-29 06:52:51,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:52:51,663 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 974 transitions. [2023-11-29 06:52:51,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 162.33333333333334) internal successors, (974), 6 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:51,669 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 211.0) internal successors, (1477), 7 states have internal predecessors, (1477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:51,670 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 211.0) internal successors, (1477), 7 states have internal predecessors, (1477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:51,670 INFO L175 Difference]: Start difference. First operand has 164 places, 170 transitions, 455 flow. Second operand 6 states and 974 transitions. [2023-11-29 06:52:51,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 177 transitions, 595 flow [2023-11-29 06:52:51,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 177 transitions, 588 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 06:52:51,675 INFO L231 Difference]: Finished difference. Result has 164 places, 0 transitions, 0 flow [2023-11-29 06:52:51,675 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=164, PETRI_TRANSITIONS=0} [2023-11-29 06:52:51,676 INFO L281 CegarLoopForPetriNet]: 192 programPoint places, -28 predicate places. [2023-11-29 06:52:51,676 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 0 transitions, 0 flow [2023-11-29 06:52:51,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 160.33333333333334) internal successors, (962), 6 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:51,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (63 of 64 remaining) [2023-11-29 06:52:51,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (62 of 64 remaining) [2023-11-29 06:52:51,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (61 of 64 remaining) [2023-11-29 06:52:51,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (60 of 64 remaining) [2023-11-29 06:52:51,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (59 of 64 remaining) [2023-11-29 06:52:51,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (58 of 64 remaining) [2023-11-29 06:52:51,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (57 of 64 remaining) [2023-11-29 06:52:51,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (56 of 64 remaining) [2023-11-29 06:52:51,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (55 of 64 remaining) [2023-11-29 06:52:51,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (54 of 64 remaining) [2023-11-29 06:52:51,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (53 of 64 remaining) [2023-11-29 06:52:51,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (52 of 64 remaining) [2023-11-29 06:52:51,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (51 of 64 remaining) [2023-11-29 06:52:51,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (50 of 64 remaining) [2023-11-29 06:52:51,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (49 of 64 remaining) [2023-11-29 06:52:51,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (48 of 64 remaining) [2023-11-29 06:52:51,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (47 of 64 remaining) [2023-11-29 06:52:51,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (46 of 64 remaining) [2023-11-29 06:52:51,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (45 of 64 remaining) [2023-11-29 06:52:51,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (44 of 64 remaining) [2023-11-29 06:52:51,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (43 of 64 remaining) [2023-11-29 06:52:51,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (42 of 64 remaining) [2023-11-29 06:52:51,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (41 of 64 remaining) [2023-11-29 06:52:51,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (40 of 64 remaining) [2023-11-29 06:52:51,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (39 of 64 remaining) [2023-11-29 06:52:51,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (38 of 64 remaining) [2023-11-29 06:52:51,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (37 of 64 remaining) [2023-11-29 06:52:51,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (36 of 64 remaining) [2023-11-29 06:52:51,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (35 of 64 remaining) [2023-11-29 06:52:51,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (34 of 64 remaining) [2023-11-29 06:52:51,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (33 of 64 remaining) [2023-11-29 06:52:51,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (32 of 64 remaining) [2023-11-29 06:52:51,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (31 of 64 remaining) [2023-11-29 06:52:51,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (30 of 64 remaining) [2023-11-29 06:52:51,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (29 of 64 remaining) [2023-11-29 06:52:51,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (28 of 64 remaining) [2023-11-29 06:52:51,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (27 of 64 remaining) [2023-11-29 06:52:51,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 64 remaining) [2023-11-29 06:52:51,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 64 remaining) [2023-11-29 06:52:51,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 64 remaining) [2023-11-29 06:52:51,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (23 of 64 remaining) [2023-11-29 06:52:51,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (22 of 64 remaining) [2023-11-29 06:52:51,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (21 of 64 remaining) [2023-11-29 06:52:51,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (20 of 64 remaining) [2023-11-29 06:52:51,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (19 of 64 remaining) [2023-11-29 06:52:51,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (18 of 64 remaining) [2023-11-29 06:52:51,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (17 of 64 remaining) [2023-11-29 06:52:51,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (16 of 64 remaining) [2023-11-29 06:52:51,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (15 of 64 remaining) [2023-11-29 06:52:51,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (14 of 64 remaining) [2023-11-29 06:52:51,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (13 of 64 remaining) [2023-11-29 06:52:51,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (12 of 64 remaining) [2023-11-29 06:52:51,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (11 of 64 remaining) [2023-11-29 06:52:51,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (10 of 64 remaining) [2023-11-29 06:52:51,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (9 of 64 remaining) [2023-11-29 06:52:51,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (8 of 64 remaining) [2023-11-29 06:52:51,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (7 of 64 remaining) [2023-11-29 06:52:51,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 64 remaining) [2023-11-29 06:52:51,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (5 of 64 remaining) [2023-11-29 06:52:51,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (4 of 64 remaining) [2023-11-29 06:52:51,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (3 of 64 remaining) [2023-11-29 06:52:51,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (2 of 64 remaining) [2023-11-29 06:52:51,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (1 of 64 remaining) [2023-11-29 06:52:51,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (0 of 64 remaining) [2023-11-29 06:52:51,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 06:52:51,691 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:52:51,697 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 06:52:51,698 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:52:51,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:52:51 BasicIcfg [2023-11-29 06:52:51,704 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:52:51,704 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:52:51,704 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:52:51,705 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:52:51,705 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:52:45" (3/4) ... [2023-11-29 06:52:51,707 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 06:52:51,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 06:52:51,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 06:52:51,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-29 06:52:51,716 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-29 06:52:51,717 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 06:52:51,717 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 06:52:51,718 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 06:52:51,813 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d45790-668f-43c9-991d-9c9f152b0482/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 06:52:51,813 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d45790-668f-43c9-991d-9c9f152b0482/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 06:52:51,814 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:52:51,814 INFO L158 Benchmark]: Toolchain (without parser) took 7026.35ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 125.3MB in the beginning and 88.7MB in the end (delta: 36.6MB). Peak memory consumption was 106.9MB. Max. memory is 16.1GB. [2023-11-29 06:52:51,815 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:52:51,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.31ms. Allocated memory is still 155.2MB. Free memory was 125.3MB in the beginning and 113.0MB in the end (delta: 12.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 06:52:51,815 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.99ms. Allocated memory is still 155.2MB. Free memory was 113.0MB in the beginning and 110.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:52:51,816 INFO L158 Benchmark]: Boogie Preprocessor took 41.53ms. Allocated memory is still 155.2MB. Free memory was 110.9MB in the beginning and 108.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:52:51,816 INFO L158 Benchmark]: RCFGBuilder took 700.05ms. Allocated memory is still 155.2MB. Free memory was 108.8MB in the beginning and 123.6MB in the end (delta: -14.8MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2023-11-29 06:52:51,817 INFO L158 Benchmark]: TraceAbstraction took 5824.05ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 122.5MB in the beginning and 95.0MB in the end (delta: 27.5MB). Peak memory consumption was 144.8MB. Max. memory is 16.1GB. [2023-11-29 06:52:51,817 INFO L158 Benchmark]: Witness Printer took 109.45ms. Allocated memory is still 224.4MB. Free memory was 95.0MB in the beginning and 88.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 06:52:51,819 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.31ms. Allocated memory is still 155.2MB. Free memory was 125.3MB in the beginning and 113.0MB in the end (delta: 12.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.99ms. Allocated memory is still 155.2MB. Free memory was 113.0MB in the beginning and 110.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.53ms. Allocated memory is still 155.2MB. Free memory was 110.9MB in the beginning and 108.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 700.05ms. Allocated memory is still 155.2MB. Free memory was 108.8MB in the beginning and 123.6MB in the end (delta: -14.8MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. * TraceAbstraction took 5824.05ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 122.5MB in the beginning and 95.0MB in the end (delta: 27.5MB). Peak memory consumption was 144.8MB. Max. memory is 16.1GB. * Witness Printer took 109.45ms. Allocated memory is still 224.4MB. Free memory was 95.0MB in the beginning and 88.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: 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: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: 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: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: 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, 260 locations, 64 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: 5.7s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 405 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 224 mSDsluCounter, 43 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 137 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 988 IncrementalHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 137 mSolverCounterUnsat, 43 mSDtfsCounter, 988 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=464occurred in iteration=8, InterpolantAutomatonStates: 42, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 649 NumberOfCodeBlocks, 649 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 638 ConstructedInterpolants, 0 QuantifiedInterpolants, 897 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 37 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 06:52:51,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90d45790-668f-43c9-991d-9c9f152b0482/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE