./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-barrier.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec841-cb72-43ce-b310-6e7ccc646bf5/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec841-cb72-43ce-b310-6e7ccc646bf5/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec841-cb72-43ce-b310-6e7ccc646bf5/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec841-cb72-43ce-b310-6e7ccc646bf5/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-barrier.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec841-cb72-43ce-b310-6e7ccc646bf5/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec841-cb72-43ce-b310-6e7ccc646bf5/bin/uautomizer-verify-84ZbGMXZE1 --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 b78dfc9c2705d92d2bcea2c224e1a0e17a9d3d516f404185e5eda6bc0d05a15c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:39:37,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:39:37,906 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec841-cb72-43ce-b310-6e7ccc646bf5/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-12-02 12:39:37,910 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:39:37,910 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:39:37,929 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:39:37,930 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:39:37,930 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:39:37,930 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:39:37,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:39:37,930 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:39:37,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:39:37,931 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:39:37,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:39:37,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:39:37,931 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:39:37,931 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:39:37,931 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:39:37,931 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:39:37,931 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:39:37,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:39:37,931 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:39:37,931 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-12-02 12:39:37,932 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 12:39:37,932 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:39:37,932 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:39:37,932 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:39:37,932 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:39:37,932 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:39:37,932 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:39:37,932 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:39:37,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:39:37,932 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:39:37,932 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:39:37,932 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:39:37,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:39:37,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:39:37,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:39:37,933 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:39:37,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:39:37,933 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:39:37,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:39:37,933 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:39:37,933 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:39:37,933 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:39:37,933 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:39:37,933 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_927ec841-cb72-43ce-b310-6e7ccc646bf5/bin/uautomizer-verify-84ZbGMXZE1 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 -> b78dfc9c2705d92d2bcea2c224e1a0e17a9d3d516f404185e5eda6bc0d05a15c [2024-12-02 12:39:38,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:39:38,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:39:38,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:39:38,178 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:39:38,178 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:39:38,179 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec841-cb72-43ce-b310-6e7ccc646bf5/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2024-12-02 12:39:40,831 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec841-cb72-43ce-b310-6e7ccc646bf5/bin/uautomizer-verify-84ZbGMXZE1/data/705a80837/9b2fb192b02d4ac29db5f843c0edc3f6/FLAGce9aa146d [2024-12-02 12:39:41,043 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:39:41,043 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec841-cb72-43ce-b310-6e7ccc646bf5/sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2024-12-02 12:39:41,049 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec841-cb72-43ce-b310-6e7ccc646bf5/bin/uautomizer-verify-84ZbGMXZE1/data/705a80837/9b2fb192b02d4ac29db5f843c0edc3f6/FLAGce9aa146d [2024-12-02 12:39:41,405 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec841-cb72-43ce-b310-6e7ccc646bf5/bin/uautomizer-verify-84ZbGMXZE1/data/705a80837/9b2fb192b02d4ac29db5f843c0edc3f6 [2024-12-02 12:39:41,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:39:41,409 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:39:41,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:39:41,410 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:39:41,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:39:41,415 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:39:41" (1/1) ... [2024-12-02 12:39:41,416 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@283294c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:41, skipping insertion in model container [2024-12-02 12:39:41,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:39:41" (1/1) ... [2024-12-02 12:39:41,431 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:39:41,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:39:41,602 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:39:41,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:39:41,643 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:39:41,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:41 WrapperNode [2024-12-02 12:39:41,644 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:39:41,645 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:39:41,645 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:39:41,645 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:39:41,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:41" (1/1) ... [2024-12-02 12:39:41,658 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:41" (1/1) ... [2024-12-02 12:39:41,681 INFO L138 Inliner]: procedures = 22, calls = 21, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 276 [2024-12-02 12:39:41,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:39:41,682 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:39:41,682 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:39:41,682 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:39:41,689 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:41" (1/1) ... [2024-12-02 12:39:41,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:41" (1/1) ... [2024-12-02 12:39:41,692 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:41" (1/1) ... [2024-12-02 12:39:41,692 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:41" (1/1) ... [2024-12-02 12:39:41,698 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:41" (1/1) ... [2024-12-02 12:39:41,699 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:41" (1/1) ... [2024-12-02 12:39:41,701 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:41" (1/1) ... [2024-12-02 12:39:41,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:41" (1/1) ... [2024-12-02 12:39:41,704 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:41" (1/1) ... [2024-12-02 12:39:41,706 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:39:41,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:39:41,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:39:41,707 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:39:41,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:41" (1/1) ... [2024-12-02 12:39:41,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:39:41,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec841-cb72-43ce-b310-6e7ccc646bf5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:39:41,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec841-cb72-43ce-b310-6e7ccc646bf5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:39:41,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec841-cb72-43ce-b310-6e7ccc646bf5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:39:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:39:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-02 12:39:41,763 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-02 12:39:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-02 12:39:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-02 12:39:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-02 12:39:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-02 12:39:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-12-02 12:39:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-12-02 12:39:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-02 12:39:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-12-02 12:39:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-12-02 12:39:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-12-02 12:39:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-12-02 12:39:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:39:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:39:41,766 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-02 12:39:41,862 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:39:41,863 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:39:42,180 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 12:39:42,180 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:39:42,191 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:39:42,192 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 12:39:42,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:39:42 BoogieIcfgContainer [2024-12-02 12:39:42,192 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:39:42,193 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:39:42,193 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:39:42,197 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:39:42,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:39:41" (1/3) ... [2024-12-02 12:39:42,197 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b12a686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:39:42, skipping insertion in model container [2024-12-02 12:39:42,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:39:41" (2/3) ... [2024-12-02 12:39:42,197 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b12a686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:39:42, skipping insertion in model container [2024-12-02 12:39:42,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:39:42" (3/3) ... [2024-12-02 12:39:42,198 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-barrier.wvr.c [2024-12-02 12:39:42,210 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:39:42,211 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-barrier.wvr.c that has 7 procedures, 310 locations, 1 initial locations, 0 loop locations, and 20 error locations. [2024-12-02 12:39:42,211 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 12:39:42,341 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-12-02 12:39:42,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 336 places, 329 transitions, 724 flow [2024-12-02 12:39:42,486 INFO L124 PetriNetUnfolderBase]: 12/315 cut-off events. [2024-12-02 12:39:42,488 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-12-02 12:39:42,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 315 events. 12/315 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 566 event pairs, 0 based on Foata normal form. 0/283 useless extension candidates. Maximal degree in co-relation 272. Up to 3 conditions per place. [2024-12-02 12:39:42,495 INFO L82 GeneralOperation]: Start removeDead. Operand has 336 places, 329 transitions, 724 flow [2024-12-02 12:39:42,501 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 306 places, 298 transitions, 641 flow [2024-12-02 12:39:42,509 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:39:42,519 INFO L333 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, 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;@4a6aa044, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:39:42,519 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2024-12-02 12:39:42,528 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 12:39:42,528 INFO L124 PetriNetUnfolderBase]: 0/44 cut-off events. [2024-12-02 12:39:42,528 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 12:39:42,528 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:39:42,529 INFO L206 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] [2024-12-02 12:39:42,529 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-12-02 12:39:42,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:39:42,534 INFO L85 PathProgramCache]: Analyzing trace with hash -555351477, now seen corresponding path program 1 times [2024-12-02 12:39:42,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:39:42,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32298106] [2024-12-02 12:39:42,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:39:42,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:39:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:39:42,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:39:42,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:39:42,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32298106] [2024-12-02 12:39:42,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32298106] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:39:42,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:39:42,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:39:42,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092211931] [2024-12-02 12:39:42,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:39:42,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:39:42,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:39:42,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:39:42,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:39:42,778 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 333 [2024-12-02 12:39:42,783 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 298 transitions, 641 flow. Second operand has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:42,783 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:39:42,783 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 333 [2024-12-02 12:39:42,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:39:43,112 INFO L124 PetriNetUnfolderBase]: 128/1152 cut-off events. [2024-12-02 12:39:43,112 INFO L125 PetriNetUnfolderBase]: For 198/209 co-relation queries the response was YES. [2024-12-02 12:39:43,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1617 conditions, 1152 events. 128/1152 cut-off events. For 198/209 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 7125 event pairs, 88 based on Foata normal form. 104/1085 useless extension candidates. Maximal degree in co-relation 1465. Up to 215 conditions per place. [2024-12-02 12:39:43,129 INFO L140 encePairwiseOnDemand]: 323/333 looper letters, 22 selfloop transitions, 2 changer transitions 1/290 dead transitions. [2024-12-02 12:39:43,129 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 290 transitions, 673 flow [2024-12-02 12:39:43,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:39:43,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 12:39:43,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 899 transitions. [2024-12-02 12:39:43,144 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8998998998998999 [2024-12-02 12:39:43,146 INFO L175 Difference]: Start difference. First operand has 306 places, 298 transitions, 641 flow. Second operand 3 states and 899 transitions. [2024-12-02 12:39:43,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 290 transitions, 673 flow [2024-12-02 12:39:43,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 290 transitions, 644 flow, removed 0 selfloop flow, removed 11 redundant places. [2024-12-02 12:39:43,173 INFO L231 Difference]: Finished difference. Result has 296 places, 289 transitions, 598 flow [2024-12-02 12:39:43,175 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=598, PETRI_PLACES=296, PETRI_TRANSITIONS=289} [2024-12-02 12:39:43,178 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -10 predicate places. [2024-12-02 12:39:43,179 INFO L471 AbstractCegarLoop]: Abstraction has has 296 places, 289 transitions, 598 flow [2024-12-02 12:39:43,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:43,179 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:39:43,180 INFO L206 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] [2024-12-02 12:39:43,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 12:39:43,180 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-12-02 12:39:43,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:39:43,181 INFO L85 PathProgramCache]: Analyzing trace with hash -23279243, now seen corresponding path program 1 times [2024-12-02 12:39:43,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:39:43,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728114427] [2024-12-02 12:39:43,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:39:43,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:39:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:39:43,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:39:43,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:39:43,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728114427] [2024-12-02 12:39:43,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728114427] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:39:43,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:39:43,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:39:43,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918840704] [2024-12-02 12:39:43,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:39:43,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:39:43,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:39:43,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:39:43,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:39:43,281 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 333 [2024-12-02 12:39:43,282 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 289 transitions, 598 flow. Second operand has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:43,282 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:39:43,282 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 333 [2024-12-02 12:39:43,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:39:43,557 INFO L124 PetriNetUnfolderBase]: 152/1260 cut-off events. [2024-12-02 12:39:43,557 INFO L125 PetriNetUnfolderBase]: For 61/77 co-relation queries the response was YES. [2024-12-02 12:39:43,564 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1572 conditions, 1260 events. 152/1260 cut-off events. For 61/77 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 7958 event pairs, 88 based on Foata normal form. 0/1050 useless extension candidates. Maximal degree in co-relation 1519. Up to 239 conditions per place. [2024-12-02 12:39:43,571 INFO L140 encePairwiseOnDemand]: 330/333 looper letters, 22 selfloop transitions, 2 changer transitions 0/288 dead transitions. [2024-12-02 12:39:43,571 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 288 transitions, 644 flow [2024-12-02 12:39:43,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:39:43,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 12:39:43,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 892 transitions. [2024-12-02 12:39:43,574 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8928928928928929 [2024-12-02 12:39:43,574 INFO L175 Difference]: Start difference. First operand has 296 places, 289 transitions, 598 flow. Second operand 3 states and 892 transitions. [2024-12-02 12:39:43,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 288 transitions, 644 flow [2024-12-02 12:39:43,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 288 transitions, 640 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 12:39:43,579 INFO L231 Difference]: Finished difference. Result has 294 places, 288 transitions, 596 flow [2024-12-02 12:39:43,580 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=592, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=596, PETRI_PLACES=294, PETRI_TRANSITIONS=288} [2024-12-02 12:39:43,581 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -12 predicate places. [2024-12-02 12:39:43,581 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 288 transitions, 596 flow [2024-12-02 12:39:43,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:43,581 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:39:43,582 INFO L206 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] [2024-12-02 12:39:43,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 12:39:43,582 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-12-02 12:39:43,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:39:43,582 INFO L85 PathProgramCache]: Analyzing trace with hash 793117596, now seen corresponding path program 1 times [2024-12-02 12:39:43,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:39:43,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140267338] [2024-12-02 12:39:43,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:39:43,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:39:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:39:43,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:39:43,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:39:43,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140267338] [2024-12-02 12:39:43,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140267338] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:39:43,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:39:43,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:39:43,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10032350] [2024-12-02 12:39:43,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:39:43,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:39:43,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:39:43,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:39:43,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:39:43,693 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 333 [2024-12-02 12:39:43,694 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 288 transitions, 596 flow. Second operand has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:43,694 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:39:43,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 333 [2024-12-02 12:39:43,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:39:43,836 INFO L124 PetriNetUnfolderBase]: 128/927 cut-off events. [2024-12-02 12:39:43,837 INFO L125 PetriNetUnfolderBase]: For 47/53 co-relation queries the response was YES. [2024-12-02 12:39:43,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1223 conditions, 927 events. 128/927 cut-off events. For 47/53 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5267 event pairs, 88 based on Foata normal form. 0/783 useless extension candidates. Maximal degree in co-relation 1162. Up to 215 conditions per place. [2024-12-02 12:39:43,844 INFO L140 encePairwiseOnDemand]: 330/333 looper letters, 22 selfloop transitions, 2 changer transitions 0/287 dead transitions. [2024-12-02 12:39:43,844 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 287 transitions, 642 flow [2024-12-02 12:39:43,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:39:43,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 12:39:43,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 892 transitions. [2024-12-02 12:39:43,848 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8928928928928929 [2024-12-02 12:39:43,848 INFO L175 Difference]: Start difference. First operand has 294 places, 288 transitions, 596 flow. Second operand 3 states and 892 transitions. [2024-12-02 12:39:43,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 287 transitions, 642 flow [2024-12-02 12:39:43,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 287 transitions, 638 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 12:39:43,853 INFO L231 Difference]: Finished difference. Result has 293 places, 287 transitions, 594 flow [2024-12-02 12:39:43,853 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=594, PETRI_PLACES=293, PETRI_TRANSITIONS=287} [2024-12-02 12:39:43,854 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -13 predicate places. [2024-12-02 12:39:43,854 INFO L471 AbstractCegarLoop]: Abstraction has has 293 places, 287 transitions, 594 flow [2024-12-02 12:39:43,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:43,855 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:39:43,855 INFO L206 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] [2024-12-02 12:39:43,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 12:39:43,856 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-12-02 12:39:43,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:39:43,856 INFO L85 PathProgramCache]: Analyzing trace with hash -504514342, now seen corresponding path program 1 times [2024-12-02 12:39:43,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:39:43,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872061380] [2024-12-02 12:39:43,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:39:43,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:39:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:39:43,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:39:43,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:39:43,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872061380] [2024-12-02 12:39:43,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872061380] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:39:43,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:39:43,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:39:43,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560930954] [2024-12-02 12:39:43,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:39:43,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:39:43,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:39:43,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:39:43,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:39:43,963 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 333 [2024-12-02 12:39:43,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 287 transitions, 594 flow. Second operand has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:43,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:39:43,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 333 [2024-12-02 12:39:43,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:39:44,138 INFO L124 PetriNetUnfolderBase]: 152/950 cut-off events. [2024-12-02 12:39:44,138 INFO L125 PetriNetUnfolderBase]: For 76/86 co-relation queries the response was YES. [2024-12-02 12:39:44,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1246 conditions, 950 events. 152/950 cut-off events. For 76/86 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 5107 event pairs, 88 based on Foata normal form. 0/770 useless extension candidates. Maximal degree in co-relation 1161. Up to 239 conditions per place. [2024-12-02 12:39:44,147 INFO L140 encePairwiseOnDemand]: 330/333 looper letters, 22 selfloop transitions, 2 changer transitions 0/286 dead transitions. [2024-12-02 12:39:44,147 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 286 transitions, 640 flow [2024-12-02 12:39:44,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:39:44,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 12:39:44,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 892 transitions. [2024-12-02 12:39:44,151 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8928928928928929 [2024-12-02 12:39:44,151 INFO L175 Difference]: Start difference. First operand has 293 places, 287 transitions, 594 flow. Second operand 3 states and 892 transitions. [2024-12-02 12:39:44,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 286 transitions, 640 flow [2024-12-02 12:39:44,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 286 transitions, 636 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 12:39:44,155 INFO L231 Difference]: Finished difference. Result has 292 places, 286 transitions, 592 flow [2024-12-02 12:39:44,156 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=592, PETRI_PLACES=292, PETRI_TRANSITIONS=286} [2024-12-02 12:39:44,157 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -14 predicate places. [2024-12-02 12:39:44,157 INFO L471 AbstractCegarLoop]: Abstraction has has 292 places, 286 transitions, 592 flow [2024-12-02 12:39:44,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:44,157 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:39:44,157 INFO L206 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] [2024-12-02 12:39:44,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 12:39:44,158 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-12-02 12:39:44,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:39:44,158 INFO L85 PathProgramCache]: Analyzing trace with hash -791440260, now seen corresponding path program 1 times [2024-12-02 12:39:44,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:39:44,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258533156] [2024-12-02 12:39:44,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:39:44,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:39:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:39:44,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:39:44,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:39:44,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258533156] [2024-12-02 12:39:44,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258533156] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:39:44,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:39:44,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:39:44,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415364540] [2024-12-02 12:39:44,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:39:44,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:39:44,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:39:44,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:39:44,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:39:44,263 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 333 [2024-12-02 12:39:44,265 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 286 transitions, 592 flow. Second operand has 3 states, 3 states have (on average 293.0) internal successors, (879), 3 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:44,265 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:39:44,265 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 333 [2024-12-02 12:39:44,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:39:44,529 INFO L124 PetriNetUnfolderBase]: 188/1432 cut-off events. [2024-12-02 12:39:44,529 INFO L125 PetriNetUnfolderBase]: For 53/101 co-relation queries the response was YES. [2024-12-02 12:39:44,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1878 conditions, 1432 events. 188/1432 cut-off events. For 53/101 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 9469 event pairs, 86 based on Foata normal form. 6/1208 useless extension candidates. Maximal degree in co-relation 1785. Up to 245 conditions per place. [2024-12-02 12:39:44,544 INFO L140 encePairwiseOnDemand]: 330/333 looper letters, 29 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2024-12-02 12:39:44,544 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 293 transitions, 677 flow [2024-12-02 12:39:44,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:39:44,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 12:39:44,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-12-02 12:39:44,547 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9059059059059059 [2024-12-02 12:39:44,547 INFO L175 Difference]: Start difference. First operand has 292 places, 286 transitions, 592 flow. Second operand 3 states and 905 transitions. [2024-12-02 12:39:44,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 293 transitions, 677 flow [2024-12-02 12:39:44,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 293 transitions, 673 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 12:39:44,551 INFO L231 Difference]: Finished difference. Result has 291 places, 285 transitions, 590 flow [2024-12-02 12:39:44,552 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=586, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=590, PETRI_PLACES=291, PETRI_TRANSITIONS=285} [2024-12-02 12:39:44,552 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -15 predicate places. [2024-12-02 12:39:44,552 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 285 transitions, 590 flow [2024-12-02 12:39:44,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.0) internal successors, (879), 3 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:44,553 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:39:44,553 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:39:44,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 12:39:44,554 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-12-02 12:39:44,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:39:44,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1574384374, now seen corresponding path program 1 times [2024-12-02 12:39:44,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:39:44,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273320798] [2024-12-02 12:39:44,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:39:44,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:39:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:39:44,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:39:44,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:39:44,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273320798] [2024-12-02 12:39:44,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273320798] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:39:44,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:39:44,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:39:44,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340000077] [2024-12-02 12:39:44,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:39:44,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:39:44,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:39:44,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:39:44,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:39:44,641 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 333 [2024-12-02 12:39:44,642 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 285 transitions, 590 flow. Second operand has 3 states, 3 states have (on average 293.0) internal successors, (879), 3 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:44,642 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:39:44,642 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 333 [2024-12-02 12:39:44,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:39:44,848 INFO L124 PetriNetUnfolderBase]: 168/1075 cut-off events. [2024-12-02 12:39:44,848 INFO L125 PetriNetUnfolderBase]: For 54/69 co-relation queries the response was YES. [2024-12-02 12:39:44,853 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1492 conditions, 1075 events. 168/1075 cut-off events. For 54/69 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 6514 event pairs, 42 based on Foata normal form. 0/933 useless extension candidates. Maximal degree in co-relation 560. Up to 177 conditions per place. [2024-12-02 12:39:44,860 INFO L140 encePairwiseOnDemand]: 328/333 looper letters, 27 selfloop transitions, 3 changer transitions 0/291 dead transitions. [2024-12-02 12:39:44,860 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 291 transitions, 671 flow [2024-12-02 12:39:44,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:39:44,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 12:39:44,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-12-02 12:39:44,863 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9059059059059059 [2024-12-02 12:39:44,863 INFO L175 Difference]: Start difference. First operand has 291 places, 285 transitions, 590 flow. Second operand 3 states and 905 transitions. [2024-12-02 12:39:44,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 291 transitions, 671 flow [2024-12-02 12:39:44,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 291 transitions, 667 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 12:39:44,867 INFO L231 Difference]: Finished difference. Result has 289 places, 283 transitions, 588 flow [2024-12-02 12:39:44,867 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=582, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=588, PETRI_PLACES=289, PETRI_TRANSITIONS=283} [2024-12-02 12:39:44,868 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -17 predicate places. [2024-12-02 12:39:44,868 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 283 transitions, 588 flow [2024-12-02 12:39:44,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.0) internal successors, (879), 3 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:44,869 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:39:44,869 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:39:44,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 12:39:44,869 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread5Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-12-02 12:39:44,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:39:44,870 INFO L85 PathProgramCache]: Analyzing trace with hash 585683060, now seen corresponding path program 1 times [2024-12-02 12:39:44,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:39:44,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237913771] [2024-12-02 12:39:44,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:39:44,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:39:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:39:44,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:39:44,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:39:44,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237913771] [2024-12-02 12:39:44,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237913771] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:39:44,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:39:44,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:39:44,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281188981] [2024-12-02 12:39:44,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:39:44,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:39:44,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:39:44,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:39:44,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:39:44,955 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 333 [2024-12-02 12:39:44,956 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 283 transitions, 588 flow. Second operand has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:44,956 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:39:44,956 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 333 [2024-12-02 12:39:44,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:39:45,151 INFO L124 PetriNetUnfolderBase]: 188/1215 cut-off events. [2024-12-02 12:39:45,151 INFO L125 PetriNetUnfolderBase]: For 70/113 co-relation queries the response was YES. [2024-12-02 12:39:45,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1634 conditions, 1215 events. 188/1215 cut-off events. For 70/113 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 7441 event pairs, 86 based on Foata normal form. 6/1039 useless extension candidates. Maximal degree in co-relation 1232. Up to 245 conditions per place. [2024-12-02 12:39:45,162 INFO L140 encePairwiseOnDemand]: 330/333 looper letters, 29 selfloop transitions, 2 changer transitions 0/290 dead transitions. [2024-12-02 12:39:45,162 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 290 transitions, 672 flow [2024-12-02 12:39:45,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:39:45,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 12:39:45,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-12-02 12:39:45,165 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9059059059059059 [2024-12-02 12:39:45,165 INFO L175 Difference]: Start difference. First operand has 289 places, 283 transitions, 588 flow. Second operand 3 states and 905 transitions. [2024-12-02 12:39:45,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 290 transitions, 672 flow [2024-12-02 12:39:45,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 290 transitions, 666 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 12:39:45,168 INFO L231 Difference]: Finished difference. Result has 288 places, 282 transitions, 584 flow [2024-12-02 12:39:45,168 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=580, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=584, PETRI_PLACES=288, PETRI_TRANSITIONS=282} [2024-12-02 12:39:45,169 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -18 predicate places. [2024-12-02 12:39:45,169 INFO L471 AbstractCegarLoop]: Abstraction has has 288 places, 282 transitions, 584 flow [2024-12-02 12:39:45,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:45,169 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:39:45,170 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:39:45,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 12:39:45,170 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-12-02 12:39:45,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:39:45,170 INFO L85 PathProgramCache]: Analyzing trace with hash 2141630952, now seen corresponding path program 1 times [2024-12-02 12:39:45,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:39:45,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064124508] [2024-12-02 12:39:45,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:39:45,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:39:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:39:45,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:39:45,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:39:45,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064124508] [2024-12-02 12:39:45,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064124508] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:39:45,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:39:45,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:39:45,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94706400] [2024-12-02 12:39:45,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:39:45,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:39:45,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:39:45,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:39:45,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:39:45,255 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 333 [2024-12-02 12:39:45,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 282 transitions, 584 flow. Second operand has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:45,257 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:39:45,257 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 333 [2024-12-02 12:39:45,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:39:45,450 INFO L124 PetriNetUnfolderBase]: 230/1189 cut-off events. [2024-12-02 12:39:45,450 INFO L125 PetriNetUnfolderBase]: For 94/110 co-relation queries the response was YES. [2024-12-02 12:39:45,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1643 conditions, 1189 events. 230/1189 cut-off events. For 94/110 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 7384 event pairs, 86 based on Foata normal form. 0/967 useless extension candidates. Maximal degree in co-relation 1093. Up to 275 conditions per place. [2024-12-02 12:39:45,462 INFO L140 encePairwiseOnDemand]: 330/333 looper letters, 30 selfloop transitions, 2 changer transitions 0/290 dead transitions. [2024-12-02 12:39:45,462 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 290 transitions, 674 flow [2024-12-02 12:39:45,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:39:45,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 12:39:45,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 906 transitions. [2024-12-02 12:39:45,465 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9069069069069069 [2024-12-02 12:39:45,465 INFO L175 Difference]: Start difference. First operand has 288 places, 282 transitions, 584 flow. Second operand 3 states and 906 transitions. [2024-12-02 12:39:45,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 290 transitions, 674 flow [2024-12-02 12:39:45,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 290 transitions, 670 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 12:39:45,470 INFO L231 Difference]: Finished difference. Result has 287 places, 281 transitions, 582 flow [2024-12-02 12:39:45,470 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=578, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=582, PETRI_PLACES=287, PETRI_TRANSITIONS=281} [2024-12-02 12:39:45,471 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -19 predicate places. [2024-12-02 12:39:45,471 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 281 transitions, 582 flow [2024-12-02 12:39:45,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:45,472 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:39:45,472 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:39:45,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 12:39:45,472 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread5Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-12-02 12:39:45,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:39:45,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1927689465, now seen corresponding path program 1 times [2024-12-02 12:39:45,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:39:45,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090709912] [2024-12-02 12:39:45,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:39:45,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:39:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:39:45,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:39:45,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:39:45,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090709912] [2024-12-02 12:39:45,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090709912] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:39:45,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:39:45,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:39:45,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162703703] [2024-12-02 12:39:45,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:39:45,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:39:45,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:39:45,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:39:45,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:39:45,553 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 333 [2024-12-02 12:39:45,554 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 281 transitions, 582 flow. Second operand has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:45,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:39:45,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 333 [2024-12-02 12:39:45,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:39:45,711 INFO L124 PetriNetUnfolderBase]: 168/966 cut-off events. [2024-12-02 12:39:45,711 INFO L125 PetriNetUnfolderBase]: For 58/64 co-relation queries the response was YES. [2024-12-02 12:39:45,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1342 conditions, 966 events. 168/966 cut-off events. For 58/64 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5495 event pairs, 46 based on Foata normal form. 1/850 useless extension candidates. Maximal degree in co-relation 960. Up to 166 conditions per place. [2024-12-02 12:39:45,719 INFO L140 encePairwiseOnDemand]: 328/333 looper letters, 27 selfloop transitions, 3 changer transitions 0/287 dead transitions. [2024-12-02 12:39:45,719 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 287 transitions, 662 flow [2024-12-02 12:39:45,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:39:45,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 12:39:45,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-12-02 12:39:45,722 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9059059059059059 [2024-12-02 12:39:45,722 INFO L175 Difference]: Start difference. First operand has 287 places, 281 transitions, 582 flow. Second operand 3 states and 905 transitions. [2024-12-02 12:39:45,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 287 transitions, 662 flow [2024-12-02 12:39:45,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 287 transitions, 658 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 12:39:45,726 INFO L231 Difference]: Finished difference. Result has 285 places, 279 transitions, 580 flow [2024-12-02 12:39:45,727 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=580, PETRI_PLACES=285, PETRI_TRANSITIONS=279} [2024-12-02 12:39:45,727 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -21 predicate places. [2024-12-02 12:39:45,727 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 279 transitions, 580 flow [2024-12-02 12:39:45,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:45,728 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:39:45,728 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:39:45,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 12:39:45,728 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-12-02 12:39:45,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:39:45,729 INFO L85 PathProgramCache]: Analyzing trace with hash -410744278, now seen corresponding path program 1 times [2024-12-02 12:39:45,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:39:45,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572472039] [2024-12-02 12:39:45,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:39:45,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:39:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:39:45,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:39:45,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:39:45,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572472039] [2024-12-02 12:39:45,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572472039] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:39:45,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:39:45,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:39:45,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908434096] [2024-12-02 12:39:45,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:39:45,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:39:45,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:39:45,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:39:45,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:39:45,805 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 333 [2024-12-02 12:39:45,806 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 279 transitions, 580 flow. Second operand has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:45,807 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:39:45,807 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 333 [2024-12-02 12:39:45,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:39:46,023 INFO L124 PetriNetUnfolderBase]: 204/1211 cut-off events. [2024-12-02 12:39:46,024 INFO L125 PetriNetUnfolderBase]: For 82/102 co-relation queries the response was YES. [2024-12-02 12:39:46,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1630 conditions, 1211 events. 204/1211 cut-off events. For 82/102 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 7378 event pairs, 59 based on Foata normal form. 0/1033 useless extension candidates. Maximal degree in co-relation 1124. Up to 182 conditions per place. [2024-12-02 12:39:46,033 INFO L140 encePairwiseOnDemand]: 328/333 looper letters, 28 selfloop transitions, 3 changer transitions 0/286 dead transitions. [2024-12-02 12:39:46,033 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 286 transitions, 666 flow [2024-12-02 12:39:46,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:39:46,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 12:39:46,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 906 transitions. [2024-12-02 12:39:46,035 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9069069069069069 [2024-12-02 12:39:46,035 INFO L175 Difference]: Start difference. First operand has 285 places, 279 transitions, 580 flow. Second operand 3 states and 906 transitions. [2024-12-02 12:39:46,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 286 transitions, 666 flow [2024-12-02 12:39:46,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 286 transitions, 660 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 12:39:46,039 INFO L231 Difference]: Finished difference. Result has 283 places, 277 transitions, 576 flow [2024-12-02 12:39:46,040 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=576, PETRI_PLACES=283, PETRI_TRANSITIONS=277} [2024-12-02 12:39:46,040 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -23 predicate places. [2024-12-02 12:39:46,040 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 277 transitions, 576 flow [2024-12-02 12:39:46,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:46,041 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:39:46,041 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:39:46,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 12:39:46,042 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread6Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-12-02 12:39:46,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:39:46,042 INFO L85 PathProgramCache]: Analyzing trace with hash -2001891337, now seen corresponding path program 1 times [2024-12-02 12:39:46,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:39:46,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334289168] [2024-12-02 12:39:46,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:39:46,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:39:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:39:46,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:39:46,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:39:46,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334289168] [2024-12-02 12:39:46,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334289168] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:39:46,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:39:46,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:39:46,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316678522] [2024-12-02 12:39:46,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:39:46,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:39:46,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:39:46,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:39:46,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:39:46,120 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 333 [2024-12-02 12:39:46,122 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 277 transitions, 576 flow. Second operand has 3 states, 3 states have (on average 293.6666666666667) internal successors, (881), 3 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:46,122 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:39:46,122 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 333 [2024-12-02 12:39:46,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:39:46,307 INFO L124 PetriNetUnfolderBase]: 230/1008 cut-off events. [2024-12-02 12:39:46,307 INFO L125 PetriNetUnfolderBase]: For 112/122 co-relation queries the response was YES. [2024-12-02 12:39:46,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1427 conditions, 1008 events. 230/1008 cut-off events. For 112/122 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 5531 event pairs, 104 based on Foata normal form. 0/816 useless extension candidates. Maximal degree in co-relation 1039. Up to 275 conditions per place. [2024-12-02 12:39:46,315 INFO L140 encePairwiseOnDemand]: 330/333 looper letters, 30 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2024-12-02 12:39:46,315 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 285 transitions, 665 flow [2024-12-02 12:39:46,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:39:46,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 12:39:46,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 906 transitions. [2024-12-02 12:39:46,317 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9069069069069069 [2024-12-02 12:39:46,317 INFO L175 Difference]: Start difference. First operand has 283 places, 277 transitions, 576 flow. Second operand 3 states and 906 transitions. [2024-12-02 12:39:46,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 285 transitions, 665 flow [2024-12-02 12:39:46,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 285 transitions, 659 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 12:39:46,321 INFO L231 Difference]: Finished difference. Result has 282 places, 276 transitions, 572 flow [2024-12-02 12:39:46,322 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=572, PETRI_PLACES=282, PETRI_TRANSITIONS=276} [2024-12-02 12:39:46,322 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -24 predicate places. [2024-12-02 12:39:46,323 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 276 transitions, 572 flow [2024-12-02 12:39:46,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.6666666666667) internal successors, (881), 3 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:46,323 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:39:46,323 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:39:46,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 12:39:46,324 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread6Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-12-02 12:39:46,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:39:46,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1571888822, now seen corresponding path program 1 times [2024-12-02 12:39:46,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:39:46,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877357612] [2024-12-02 12:39:46,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:39:46,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:39:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:39:46,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:39:46,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:39:46,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877357612] [2024-12-02 12:39:46,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877357612] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:39:46,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:39:46,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:39:46,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621710057] [2024-12-02 12:39:46,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:39:46,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:39:46,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:39:46,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:39:46,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:39:46,415 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 333 [2024-12-02 12:39:46,417 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 276 transitions, 572 flow. Second operand has 3 states, 3 states have (on average 293.6666666666667) internal successors, (881), 3 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:46,417 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:39:46,417 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 333 [2024-12-02 12:39:46,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:39:46,620 INFO L124 PetriNetUnfolderBase]: 204/985 cut-off events. [2024-12-02 12:39:46,621 INFO L125 PetriNetUnfolderBase]: For 112/122 co-relation queries the response was YES. [2024-12-02 12:39:46,625 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1381 conditions, 985 events. 204/985 cut-off events. For 112/122 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 5382 event pairs, 51 based on Foata normal form. 0/835 useless extension candidates. Maximal degree in co-relation 606. Up to 171 conditions per place. [2024-12-02 12:39:46,629 INFO L140 encePairwiseOnDemand]: 328/333 looper letters, 28 selfloop transitions, 3 changer transitions 0/283 dead transitions. [2024-12-02 12:39:46,629 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 283 transitions, 657 flow [2024-12-02 12:39:46,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:39:46,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 12:39:46,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 906 transitions. [2024-12-02 12:39:46,632 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9069069069069069 [2024-12-02 12:39:46,632 INFO L175 Difference]: Start difference. First operand has 282 places, 276 transitions, 572 flow. Second operand 3 states and 906 transitions. [2024-12-02 12:39:46,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 283 transitions, 657 flow [2024-12-02 12:39:46,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 283 transitions, 653 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 12:39:46,636 INFO L231 Difference]: Finished difference. Result has 280 places, 274 transitions, 570 flow [2024-12-02 12:39:46,636 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=570, PETRI_PLACES=280, PETRI_TRANSITIONS=274} [2024-12-02 12:39:46,637 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -26 predicate places. [2024-12-02 12:39:46,637 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 274 transitions, 570 flow [2024-12-02 12:39:46,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.6666666666667) internal successors, (881), 3 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:46,638 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:39:46,638 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:39:46,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 12:39:46,638 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-12-02 12:39:46,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:39:46,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1394444034, now seen corresponding path program 1 times [2024-12-02 12:39:46,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:39:46,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664809161] [2024-12-02 12:39:46,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:39:46,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:39:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:39:46,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:39:46,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:39:46,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664809161] [2024-12-02 12:39:46,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664809161] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:39:46,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:39:46,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:39:46,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828673121] [2024-12-02 12:39:46,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:39:46,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:39:46,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:39:46,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:39:46,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:39:46,712 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 333 [2024-12-02 12:39:46,713 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 274 transitions, 570 flow. Second operand has 3 states, 3 states have (on average 293.6666666666667) internal successors, (881), 3 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:46,713 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:39:46,713 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 333 [2024-12-02 12:39:46,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:39:46,855 INFO L124 PetriNetUnfolderBase]: 188/1090 cut-off events. [2024-12-02 12:39:46,855 INFO L125 PetriNetUnfolderBase]: For 45/62 co-relation queries the response was YES. [2024-12-02 12:39:46,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1552 conditions, 1090 events. 188/1090 cut-off events. For 45/62 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 6549 event pairs, 104 based on Foata normal form. 0/979 useless extension candidates. Maximal degree in co-relation 1219. Up to 245 conditions per place. [2024-12-02 12:39:46,861 INFO L140 encePairwiseOnDemand]: 330/333 looper letters, 29 selfloop transitions, 2 changer transitions 0/281 dead transitions. [2024-12-02 12:39:46,862 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 281 transitions, 655 flow [2024-12-02 12:39:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:39:46,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 12:39:46,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-12-02 12:39:46,864 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9059059059059059 [2024-12-02 12:39:46,864 INFO L175 Difference]: Start difference. First operand has 280 places, 274 transitions, 570 flow. Second operand 3 states and 905 transitions. [2024-12-02 12:39:46,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 281 transitions, 655 flow [2024-12-02 12:39:46,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 281 transitions, 649 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 12:39:46,867 INFO L231 Difference]: Finished difference. Result has 279 places, 273 transitions, 566 flow [2024-12-02 12:39:46,867 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=562, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=566, PETRI_PLACES=279, PETRI_TRANSITIONS=273} [2024-12-02 12:39:46,867 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -27 predicate places. [2024-12-02 12:39:46,868 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 273 transitions, 566 flow [2024-12-02 12:39:46,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.6666666666667) internal successors, (881), 3 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:46,868 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:39:46,868 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:39:46,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 12:39:46,868 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread5Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-12-02 12:39:46,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:39:46,869 INFO L85 PathProgramCache]: Analyzing trace with hash 71281345, now seen corresponding path program 1 times [2024-12-02 12:39:46,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:39:46,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917326666] [2024-12-02 12:39:46,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:39:46,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:39:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:39:46,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:39:46,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:39:46,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917326666] [2024-12-02 12:39:46,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917326666] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:39:46,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:39:46,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:39:46,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125360388] [2024-12-02 12:39:46,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:39:46,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:39:46,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:39:46,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:39:46,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:39:46,931 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 333 [2024-12-02 12:39:46,933 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 273 transitions, 566 flow. Second operand has 3 states, 3 states have (on average 294.0) internal successors, (882), 3 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:46,933 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:39:46,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 333 [2024-12-02 12:39:46,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:39:47,066 INFO L124 PetriNetUnfolderBase]: 188/930 cut-off events. [2024-12-02 12:39:47,066 INFO L125 PetriNetUnfolderBase]: For 65/71 co-relation queries the response was YES. [2024-12-02 12:39:47,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1348 conditions, 930 events. 188/930 cut-off events. For 65/71 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 5205 event pairs, 104 based on Foata normal form. 0/837 useless extension candidates. Maximal degree in co-relation 992. Up to 245 conditions per place. [2024-12-02 12:39:47,070 INFO L140 encePairwiseOnDemand]: 330/333 looper letters, 29 selfloop transitions, 2 changer transitions 0/280 dead transitions. [2024-12-02 12:39:47,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 280 transitions, 650 flow [2024-12-02 12:39:47,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:39:47,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 12:39:47,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-12-02 12:39:47,072 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9059059059059059 [2024-12-02 12:39:47,072 INFO L175 Difference]: Start difference. First operand has 279 places, 273 transitions, 566 flow. Second operand 3 states and 905 transitions. [2024-12-02 12:39:47,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 280 transitions, 650 flow [2024-12-02 12:39:47,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 280 transitions, 646 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 12:39:47,076 INFO L231 Difference]: Finished difference. Result has 278 places, 272 transitions, 564 flow [2024-12-02 12:39:47,076 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=560, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=564, PETRI_PLACES=278, PETRI_TRANSITIONS=272} [2024-12-02 12:39:47,077 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -28 predicate places. [2024-12-02 12:39:47,077 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 272 transitions, 564 flow [2024-12-02 12:39:47,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 294.0) internal successors, (882), 3 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:47,077 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:39:47,077 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:39:47,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 12:39:47,078 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-12-02 12:39:47,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:39:47,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1966884302, now seen corresponding path program 1 times [2024-12-02 12:39:47,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:39:47,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359991632] [2024-12-02 12:39:47,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:39:47,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:39:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:39:47,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:39:47,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:39:47,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359991632] [2024-12-02 12:39:47,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359991632] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:39:47,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:39:47,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:39:47,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626680781] [2024-12-02 12:39:47,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:39:47,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:39:47,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:39:47,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:39:47,115 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:39:47,138 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 333 [2024-12-02 12:39:47,140 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 272 transitions, 564 flow. Second operand has 3 states, 3 states have (on average 294.0) internal successors, (882), 3 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:47,140 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:39:47,140 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 333 [2024-12-02 12:39:47,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:39:47,296 INFO L124 PetriNetUnfolderBase]: 230/1204 cut-off events. [2024-12-02 12:39:47,296 INFO L125 PetriNetUnfolderBase]: For 92/114 co-relation queries the response was YES. [2024-12-02 12:39:47,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1662 conditions, 1204 events. 230/1204 cut-off events. For 92/114 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 7644 event pairs, 104 based on Foata normal form. 0/1049 useless extension candidates. Maximal degree in co-relation 1225. Up to 275 conditions per place. [2024-12-02 12:39:47,303 INFO L140 encePairwiseOnDemand]: 330/333 looper letters, 26 selfloop transitions, 2 changer transitions 6/280 dead transitions. [2024-12-02 12:39:47,303 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 280 transitions, 654 flow [2024-12-02 12:39:47,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:39:47,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 12:39:47,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 906 transitions. [2024-12-02 12:39:47,305 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9069069069069069 [2024-12-02 12:39:47,306 INFO L175 Difference]: Start difference. First operand has 278 places, 272 transitions, 564 flow. Second operand 3 states and 906 transitions. [2024-12-02 12:39:47,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 280 transitions, 654 flow [2024-12-02 12:39:47,307 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 280 transitions, 650 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 12:39:47,308 INFO L231 Difference]: Finished difference. Result has 277 places, 267 transitions, 552 flow [2024-12-02 12:39:47,309 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=558, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=552, PETRI_PLACES=277, PETRI_TRANSITIONS=267} [2024-12-02 12:39:47,309 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -29 predicate places. [2024-12-02 12:39:47,309 INFO L471 AbstractCegarLoop]: Abstraction has has 277 places, 267 transitions, 552 flow [2024-12-02 12:39:47,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 294.0) internal successors, (882), 3 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:47,310 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:39:47,310 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:39:47,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 12:39:47,310 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread6Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-12-02 12:39:47,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:39:47,311 INFO L85 PathProgramCache]: Analyzing trace with hash -577636098, now seen corresponding path program 1 times [2024-12-02 12:39:47,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:39:47,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211104548] [2024-12-02 12:39:47,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:39:47,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:39:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:39:47,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:39:47,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:39:47,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211104548] [2024-12-02 12:39:47,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211104548] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:39:47,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:39:47,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:39:47,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178353511] [2024-12-02 12:39:47,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:39:47,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:39:47,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:39:47,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:39:47,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:39:47,381 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 333 [2024-12-02 12:39:47,382 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 267 transitions, 552 flow. Second operand has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:47,382 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:39:47,382 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 333 [2024-12-02 12:39:47,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:39:47,538 INFO L124 PetriNetUnfolderBase]: 217/937 cut-off events. [2024-12-02 12:39:47,538 INFO L125 PetriNetUnfolderBase]: For 103/113 co-relation queries the response was YES. [2024-12-02 12:39:47,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1334 conditions, 937 events. 217/937 cut-off events. For 103/113 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 5124 event pairs, 99 based on Foata normal form. 0/803 useless extension candidates. Maximal degree in co-relation 985. Up to 256 conditions per place. [2024-12-02 12:39:47,543 INFO L140 encePairwiseOnDemand]: 330/333 looper letters, 0 selfloop transitions, 0 changer transitions 275/275 dead transitions. [2024-12-02 12:39:47,543 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 275 transitions, 637 flow [2024-12-02 12:39:47,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:39:47,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 12:39:47,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 904 transitions. [2024-12-02 12:39:47,545 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9049049049049049 [2024-12-02 12:39:47,545 INFO L175 Difference]: Start difference. First operand has 277 places, 267 transitions, 552 flow. Second operand 3 states and 904 transitions. [2024-12-02 12:39:47,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 275 transitions, 637 flow [2024-12-02 12:39:47,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 275 transitions, 633 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 12:39:47,548 INFO L231 Difference]: Finished difference. Result has 273 places, 0 transitions, 0 flow [2024-12-02 12:39:47,548 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=273, PETRI_TRANSITIONS=0} [2024-12-02 12:39:47,549 INFO L279 CegarLoopForPetriNet]: 306 programPoint places, -33 predicate places. [2024-12-02 12:39:47,549 INFO L471 AbstractCegarLoop]: Abstraction has has 273 places, 0 transitions, 0 flow [2024-12-02 12:39:47,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:39:47,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 46 remaining) [2024-12-02 12:39:47,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 46 remaining) [2024-12-02 12:39:47,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2024-12-02 12:39:47,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2024-12-02 12:39:47,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2024-12-02 12:39:47,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2024-12-02 12:39:47,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2024-12-02 12:39:47,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2024-12-02 12:39:47,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2024-12-02 12:39:47,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining) [2024-12-02 12:39:47,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining) [2024-12-02 12:39:47,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining) [2024-12-02 12:39:47,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining) [2024-12-02 12:39:47,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2024-12-02 12:39:47,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 46 remaining) [2024-12-02 12:39:47,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 46 remaining) [2024-12-02 12:39:47,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 46 remaining) [2024-12-02 12:39:47,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 46 remaining) [2024-12-02 12:39:47,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2024-12-02 12:39:47,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2024-12-02 12:39:47,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err2ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2024-12-02 12:39:47,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err3ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2024-12-02 12:39:47,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err0ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2024-12-02 12:39:47,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err1ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2024-12-02 12:39:47,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err2ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2024-12-02 12:39:47,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err3ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining) [2024-12-02 12:39:47,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 46 remaining) [2024-12-02 12:39:47,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 46 remaining) [2024-12-02 12:39:47,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 46 remaining) [2024-12-02 12:39:47,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 46 remaining) [2024-12-02 12:39:47,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2024-12-02 12:39:47,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2024-12-02 12:39:47,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2024-12-02 12:39:47,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2024-12-02 12:39:47,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2024-12-02 12:39:47,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2024-12-02 12:39:47,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork4Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 46 remaining) [2024-12-02 12:39:47,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork4Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 46 remaining) [2024-12-02 12:39:47,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2024-12-02 12:39:47,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2024-12-02 12:39:47,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err2ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2024-12-02 12:39:47,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread5Err3ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2024-12-02 12:39:47,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err0ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2024-12-02 12:39:47,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err1ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2024-12-02 12:39:47,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err2ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2024-12-02 12:39:47,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread6Err3ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2024-12-02 12:39:47,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 12:39:47,556 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:39:47,561 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 12:39:47,561 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:39:47,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:39:47 BasicIcfg [2024-12-02 12:39:47,566 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:39:47,567 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:39:47,567 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:39:47,567 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:39:47,568 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:39:42" (3/4) ... [2024-12-02 12:39:47,569 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 12:39:47,572 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-12-02 12:39:47,572 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-12-02 12:39:47,572 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-12-02 12:39:47,573 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-12-02 12:39:47,573 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread5 [2024-12-02 12:39:47,573 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread6 [2024-12-02 12:39:47,577 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-12-02 12:39:47,577 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 12:39:47,577 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 12:39:47,578 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 12:39:47,654 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec841-cb72-43ce-b310-6e7ccc646bf5/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 12:39:47,654 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec841-cb72-43ce-b310-6e7ccc646bf5/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 12:39:47,654 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:39:47,655 INFO L158 Benchmark]: Toolchain (without parser) took 6246.20ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 92.6MB in the beginning and 120.0MB in the end (delta: -27.4MB). Peak memory consumption was 89.3MB. Max. memory is 16.1GB. [2024-12-02 12:39:47,655 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 73.3MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:39:47,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.18ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.2MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:39:47,656 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.72ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 77.9MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:39:47,656 INFO L158 Benchmark]: Boogie Preprocessor took 24.69ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 76.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:39:47,656 INFO L158 Benchmark]: RCFGBuilder took 484.90ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 54.7MB in the end (delta: 21.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 12:39:47,657 INFO L158 Benchmark]: TraceAbstraction took 5372.98ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 54.2MB in the beginning and 125.1MB in the end (delta: -70.9MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2024-12-02 12:39:47,657 INFO L158 Benchmark]: Witness Printer took 87.58ms. Allocated memory is still 234.9MB. Free memory was 125.1MB in the beginning and 120.0MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:39:47,658 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 73.3MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 234.18ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.2MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.72ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 77.9MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.69ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 76.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 484.90ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 54.7MB in the end (delta: 21.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 5372.98ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 54.2MB in the beginning and 125.1MB in the end (delta: -70.9MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Witness Printer took 87.58ms. Allocated memory is still 234.9MB. Free memory was 125.1MB in the beginning and 120.0MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 130]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: 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 13 procedures, 502 locations, 46 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: 5.2s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 580 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 251 mSDsluCounter, 92 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 964 IncrementalHoareTripleChecker+Invalid, 994 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 92 mSDtfsCounter, 964 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=641occurred in iteration=0, InterpolantAutomatonStates: 48, 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, 0.7s InterpolantComputationTime, 1784 NumberOfCodeBlocks, 1784 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1768 ConstructedInterpolants, 0 QuantifiedInterpolants, 1800 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 20 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 12:39:47,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec841-cb72-43ce-b310-6e7ccc646bf5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE