./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-array-int-symm.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_79f438a2-ee6f-40f2-98f4-62f6a43ebfa8/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f438a2-ee6f-40f2-98f4-62f6a43ebfa8/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f438a2-ee6f-40f2-98f4-62f6a43ebfa8/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f438a2-ee6f-40f2-98f4-62f6a43ebfa8/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f438a2-ee6f-40f2-98f4-62f6a43ebfa8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f438a2-ee6f-40f2-98f4-62f6a43ebfa8/bin/uautomizer-verify-aQ6SnzHsRB --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 8a0558934008acf79b7e5b205fa256c568a1b783af274566f36b253458639325 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:04:49,971 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:04:50,076 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f438a2-ee6f-40f2-98f4-62f6a43ebfa8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 20:04:50,085 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:04:50,086 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:04:50,113 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:04:50,114 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:04:50,114 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:04:50,115 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:04:50,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:04:50,115 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:04:50,115 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:04:50,115 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:04:50,116 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:04:50,116 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:04:50,116 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:04:50,116 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:04:50,116 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:04:50,116 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:04:50,117 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:04:50,117 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:04:50,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:04:50,117 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 20:04:50,117 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:04:50,117 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:04:50,118 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:04:50,118 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:04:50,118 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:04:50,118 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:04:50,118 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:04:50,118 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:04:50,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:04:50,119 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:04:50,119 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:04:50,119 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:04:50,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:04:50,120 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:04:50,120 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:04:50,120 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:04:50,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:04:50,120 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:04:50,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:04:50,121 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:04:50,121 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:04:50,121 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:04:50,121 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:04:50,121 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_79f438a2-ee6f-40f2-98f4-62f6a43ebfa8/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 8a0558934008acf79b7e5b205fa256c568a1b783af274566f36b253458639325 [2024-11-27 20:04:50,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:04:50,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:04:50,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:04:50,516 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:04:50,518 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:04:50,521 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f438a2-ee6f-40f2-98f4-62f6a43ebfa8/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c [2024-11-27 20:04:53,839 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f438a2-ee6f-40f2-98f4-62f6a43ebfa8/bin/uautomizer-verify-aQ6SnzHsRB/data/5b3123476/db25949f27154bccb4ed382ac085e2a9/FLAG2f02e5033 [2024-11-27 20:04:54,151 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:04:54,152 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f438a2-ee6f-40f2-98f4-62f6a43ebfa8/sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c [2024-11-27 20:04:54,170 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f438a2-ee6f-40f2-98f4-62f6a43ebfa8/bin/uautomizer-verify-aQ6SnzHsRB/data/5b3123476/db25949f27154bccb4ed382ac085e2a9/FLAG2f02e5033 [2024-11-27 20:04:54,424 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f438a2-ee6f-40f2-98f4-62f6a43ebfa8/bin/uautomizer-verify-aQ6SnzHsRB/data/5b3123476/db25949f27154bccb4ed382ac085e2a9 [2024-11-27 20:04:54,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:04:54,429 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:04:54,433 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:04:54,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:04:54,438 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:04:54,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:04:54" (1/1) ... [2024-11-27 20:04:54,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5270670c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:54, skipping insertion in model container [2024-11-27 20:04:54,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:04:54" (1/1) ... [2024-11-27 20:04:54,468 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:04:54,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:04:54,774 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:04:54,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:04:54,836 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:04:54,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:54 WrapperNode [2024-11-27 20:04:54,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:04:54,839 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:04:54,839 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:04:54,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:04:54,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:54" (1/1) ... [2024-11-27 20:04:54,860 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:54" (1/1) ... [2024-11-27 20:04:54,903 INFO L138 Inliner]: procedures = 24, calls = 30, calls flagged for inlining = 14, calls inlined = 18, statements flattened = 347 [2024-11-27 20:04:54,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:04:54,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:04:54,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:04:54,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:04:54,916 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:54" (1/1) ... [2024-11-27 20:04:54,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:54" (1/1) ... [2024-11-27 20:04:54,922 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:54" (1/1) ... [2024-11-27 20:04:54,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:54" (1/1) ... [2024-11-27 20:04:54,942 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:54" (1/1) ... [2024-11-27 20:04:54,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:54" (1/1) ... [2024-11-27 20:04:54,957 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:54" (1/1) ... [2024-11-27 20:04:54,959 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:54" (1/1) ... [2024-11-27 20:04:54,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:54" (1/1) ... [2024-11-27 20:04:54,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:04:54,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:04:54,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:04:54,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:04:54,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:54" (1/1) ... [2024-11-27 20:04:54,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:04:54,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f438a2-ee6f-40f2-98f4-62f6a43ebfa8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:04:55,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f438a2-ee6f-40f2-98f4-62f6a43ebfa8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:04:55,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f438a2-ee6f-40f2-98f4-62f6a43ebfa8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:04:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:04:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-27 20:04:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-27 20:04:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-27 20:04:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-27 20:04:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 20:04:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 20:04:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 20:04:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:04:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:04:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 20:04:55,052 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 20:04:55,177 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:04:55,179 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:04:56,287 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 20:04:56,289 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:04:56,313 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:04:56,313 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-27 20:04:56,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:04:56 BoogieIcfgContainer [2024-11-27 20:04:56,314 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:04:56,317 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:04:56,317 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:04:56,322 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:04:56,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:04:54" (1/3) ... [2024-11-27 20:04:56,323 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@489b3d18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:04:56, skipping insertion in model container [2024-11-27 20:04:56,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:54" (2/3) ... [2024-11-27 20:04:56,324 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@489b3d18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:04:56, skipping insertion in model container [2024-11-27 20:04:56,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:04:56" (3/3) ... [2024-11-27 20:04:56,325 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-array-int-symm.wvr.c [2024-11-27 20:04:56,349 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:04:56,351 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-array-int-symm.wvr.c that has 3 procedures, 434 locations, 1 initial locations, 4 loop locations, and 42 error locations. [2024-11-27 20:04:56,352 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 20:04:56,574 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-27 20:04:56,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 440 places, 459 transitions, 932 flow [2024-11-27 20:04:56,829 INFO L124 PetriNetUnfolderBase]: 26/457 cut-off events. [2024-11-27 20:04:56,832 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-27 20:04:56,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 466 conditions, 457 events. 26/457 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 891 event pairs, 0 based on Foata normal form. 0/389 useless extension candidates. Maximal degree in co-relation 274. Up to 3 conditions per place. [2024-11-27 20:04:56,847 INFO L82 GeneralOperation]: Start removeDead. Operand has 440 places, 459 transitions, 932 flow [2024-11-27 20:04:56,866 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 420 places, 437 transitions, 886 flow [2024-11-27 20:04:56,877 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:04:56,901 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;@5b156922, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:04:56,903 INFO L334 AbstractCegarLoop]: Starting to check reachability of 72 error locations. [2024-11-27 20:04:56,911 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 20:04:56,913 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-27 20:04:56,913 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 20:04:56,914 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:04:56,914 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] [2024-11-27 20:04:56,915 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-27 20:04:56,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:56,925 INFO L85 PathProgramCache]: Analyzing trace with hash -791684274, now seen corresponding path program 1 times [2024-11-27 20:04:56,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:56,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411958698] [2024-11-27 20:04:56,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:56,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:57,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:04:57,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:57,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411958698] [2024-11-27 20:04:57,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411958698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:57,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:57,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:04:57,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794305654] [2024-11-27 20:04:57,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:57,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:04:57,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:57,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:04:57,229 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:04:57,320 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 427 out of 459 [2024-11-27 20:04:57,332 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 437 transitions, 886 flow. Second operand has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:04:57,332 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:04:57,332 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 427 of 459 [2024-11-27 20:04:57,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:04:57,677 INFO L124 PetriNetUnfolderBase]: 27/762 cut-off events. [2024-11-27 20:04:57,677 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-27 20:04:57,684 INFO L83 FinitePrefix]: Finished finitePrefix Result has 808 conditions, 762 events. 27/762 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2904 event pairs, 8 based on Foata normal form. 18/660 useless extension candidates. Maximal degree in co-relation 591. Up to 29 conditions per place. [2024-11-27 20:04:57,688 INFO L140 encePairwiseOnDemand]: 442/459 looper letters, 12 selfloop transitions, 2 changer transitions 6/422 dead transitions. [2024-11-27 20:04:57,688 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 421 places, 422 transitions, 884 flow [2024-11-27 20:04:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:04:57,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:04:57,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1310 transitions. [2024-11-27 20:04:57,709 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9513435003631082 [2024-11-27 20:04:57,711 INFO L175 Difference]: Start difference. First operand has 420 places, 437 transitions, 886 flow. Second operand 3 states and 1310 transitions. [2024-11-27 20:04:57,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 421 places, 422 transitions, 884 flow [2024-11-27 20:04:57,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 422 transitions, 876 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-27 20:04:57,737 INFO L231 Difference]: Finished difference. Result has 417 places, 416 transitions, 840 flow [2024-11-27 20:04:57,742 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=848, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=840, PETRI_PLACES=417, PETRI_TRANSITIONS=416} [2024-11-27 20:04:57,750 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -3 predicate places. [2024-11-27 20:04:57,751 INFO L471 AbstractCegarLoop]: Abstraction has has 417 places, 416 transitions, 840 flow [2024-11-27 20:04:57,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:04:57,752 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:04:57,752 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] [2024-11-27 20:04:57,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:04:57,754 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-27 20:04:57,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:57,755 INFO L85 PathProgramCache]: Analyzing trace with hash -421122368, now seen corresponding path program 1 times [2024-11-27 20:04:57,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:57,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262881936] [2024-11-27 20:04:57,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:57,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:57,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:04:57,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:57,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262881936] [2024-11-27 20:04:57,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262881936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:57,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:57,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:04:57,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58057698] [2024-11-27 20:04:57,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:57,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:04:57,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:57,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:04:57,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:04:57,942 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 427 out of 459 [2024-11-27 20:04:57,945 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 416 transitions, 840 flow. Second operand has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:04:57,945 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:04:57,945 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 427 of 459 [2024-11-27 20:04:57,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:04:58,169 INFO L124 PetriNetUnfolderBase]: 27/746 cut-off events. [2024-11-27 20:04:58,170 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-27 20:04:58,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 785 conditions, 746 events. 27/746 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2856 event pairs, 8 based on Foata normal form. 0/638 useless extension candidates. Maximal degree in co-relation 755. Up to 29 conditions per place. [2024-11-27 20:04:58,207 INFO L140 encePairwiseOnDemand]: 456/459 looper letters, 12 selfloop transitions, 2 changer transitions 0/415 dead transitions. [2024-11-27 20:04:58,207 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 415 transitions, 866 flow [2024-11-27 20:04:58,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:04:58,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:04:58,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1296 transitions. [2024-11-27 20:04:58,213 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9411764705882353 [2024-11-27 20:04:58,213 INFO L175 Difference]: Start difference. First operand has 417 places, 416 transitions, 840 flow. Second operand 3 states and 1296 transitions. [2024-11-27 20:04:58,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 415 transitions, 866 flow [2024-11-27 20:04:58,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 415 transitions, 862 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:04:58,224 INFO L231 Difference]: Finished difference. Result has 410 places, 415 transitions, 838 flow [2024-11-27 20:04:58,225 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=834, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=838, PETRI_PLACES=410, PETRI_TRANSITIONS=415} [2024-11-27 20:04:58,226 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -10 predicate places. [2024-11-27 20:04:58,226 INFO L471 AbstractCegarLoop]: Abstraction has has 410 places, 415 transitions, 838 flow [2024-11-27 20:04:58,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:04:58,227 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:04:58,228 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] [2024-11-27 20:04:58,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:04:58,228 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-27 20:04:58,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:58,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1742637909, now seen corresponding path program 1 times [2024-11-27 20:04:58,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:58,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721079418] [2024-11-27 20:04:58,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:58,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:58,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:04:58,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:58,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721079418] [2024-11-27 20:04:58,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721079418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:58,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:58,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:04:58,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521096534] [2024-11-27 20:04:58,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:58,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:04:58,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:58,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:04:58,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:04:58,324 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 423 out of 459 [2024-11-27 20:04:58,326 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 415 transitions, 838 flow. Second operand has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:04:58,326 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:04:58,326 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 423 of 459 [2024-11-27 20:04:58,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:04:58,639 INFO L124 PetriNetUnfolderBase]: 62/1354 cut-off events. [2024-11-27 20:04:58,639 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-27 20:04:58,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1433 conditions, 1354 events. 62/1354 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 7776 event pairs, 24 based on Foata normal form. 0/1156 useless extension candidates. Maximal degree in co-relation 1395. Up to 67 conditions per place. [2024-11-27 20:04:58,653 INFO L140 encePairwiseOnDemand]: 453/459 looper letters, 14 selfloop transitions, 1 changer transitions 0/410 dead transitions. [2024-11-27 20:04:58,654 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 410 transitions, 858 flow [2024-11-27 20:04:58,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:04:58,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:04:58,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1289 transitions. [2024-11-27 20:04:58,664 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9360929557007989 [2024-11-27 20:04:58,664 INFO L175 Difference]: Start difference. First operand has 410 places, 415 transitions, 838 flow. Second operand 3 states and 1289 transitions. [2024-11-27 20:04:58,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 410 transitions, 858 flow [2024-11-27 20:04:58,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 410 transitions, 854 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:04:58,692 INFO L231 Difference]: Finished difference. Result has 405 places, 410 transitions, 826 flow [2024-11-27 20:04:58,692 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=824, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=826, PETRI_PLACES=405, PETRI_TRANSITIONS=410} [2024-11-27 20:04:58,693 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -15 predicate places. [2024-11-27 20:04:58,693 INFO L471 AbstractCegarLoop]: Abstraction has has 405 places, 410 transitions, 826 flow [2024-11-27 20:04:58,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:04:58,695 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:04:58,695 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] [2024-11-27 20:04:58,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:04:58,696 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-27 20:04:58,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:58,696 INFO L85 PathProgramCache]: Analyzing trace with hash -921822949, now seen corresponding path program 1 times [2024-11-27 20:04:58,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:58,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253527697] [2024-11-27 20:04:58,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:58,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:58,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:04:58,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:58,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253527697] [2024-11-27 20:04:58,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253527697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:58,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:58,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:04:58,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669435082] [2024-11-27 20:04:58,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:58,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:04:58,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:58,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:04:58,851 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:04:58,902 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 459 [2024-11-27 20:04:58,905 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 410 transitions, 826 flow. Second operand has 3 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:04:58,905 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:04:58,905 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 459 [2024-11-27 20:04:58,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:04:59,040 INFO L124 PetriNetUnfolderBase]: 24/645 cut-off events. [2024-11-27 20:04:59,041 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-27 20:04:59,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 682 conditions, 645 events. 24/645 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2150 event pairs, 8 based on Foata normal form. 0/561 useless extension candidates. Maximal degree in co-relation 644. Up to 28 conditions per place. [2024-11-27 20:04:59,048 INFO L140 encePairwiseOnDemand]: 456/459 looper letters, 11 selfloop transitions, 2 changer transitions 0/409 dead transitions. [2024-11-27 20:04:59,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 409 transitions, 850 flow [2024-11-27 20:04:59,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:04:59,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:04:59,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1298 transitions. [2024-11-27 20:04:59,054 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9426289034132171 [2024-11-27 20:04:59,054 INFO L175 Difference]: Start difference. First operand has 405 places, 410 transitions, 826 flow. Second operand 3 states and 1298 transitions. [2024-11-27 20:04:59,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 409 transitions, 850 flow [2024-11-27 20:04:59,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 409 transitions, 849 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:04:59,062 INFO L231 Difference]: Finished difference. Result has 405 places, 409 transitions, 827 flow [2024-11-27 20:04:59,063 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=823, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=827, PETRI_PLACES=405, PETRI_TRANSITIONS=409} [2024-11-27 20:04:59,064 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -15 predicate places. [2024-11-27 20:04:59,065 INFO L471 AbstractCegarLoop]: Abstraction has has 405 places, 409 transitions, 827 flow [2024-11-27 20:04:59,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:04:59,066 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:04:59,066 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] [2024-11-27 20:04:59,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:04:59,067 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-27 20:04:59,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:59,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1308758653, now seen corresponding path program 1 times [2024-11-27 20:04:59,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:59,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733103791] [2024-11-27 20:04:59,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:59,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:59,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:04:59,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:59,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733103791] [2024-11-27 20:04:59,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733103791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:59,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:59,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:04:59,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330023148] [2024-11-27 20:04:59,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:59,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:04:59,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:59,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:04:59,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:05:00,654 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 379 out of 459 [2024-11-27 20:05:00,659 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 409 transitions, 827 flow. Second operand has 6 states, 6 states have (on average 380.5) internal successors, (2283), 6 states have internal predecessors, (2283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:00,659 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:05:00,659 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 379 of 459 [2024-11-27 20:05:00,659 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:05:01,264 INFO L124 PetriNetUnfolderBase]: 393/2911 cut-off events. [2024-11-27 20:05:01,264 INFO L125 PetriNetUnfolderBase]: For 46/47 co-relation queries the response was YES. [2024-11-27 20:05:01,272 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3635 conditions, 2911 events. 393/2911 cut-off events. For 46/47 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 22326 event pairs, 288 based on Foata normal form. 0/2513 useless extension candidates. Maximal degree in co-relation 3598. Up to 691 conditions per place. [2024-11-27 20:05:01,282 INFO L140 encePairwiseOnDemand]: 447/459 looper letters, 52 selfloop transitions, 10 changer transitions 0/407 dead transitions. [2024-11-27 20:05:01,283 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 407 transitions, 947 flow [2024-11-27 20:05:01,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:05:01,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:05:01,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2338 transitions. [2024-11-27 20:05:01,289 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8489469862018881 [2024-11-27 20:05:01,289 INFO L175 Difference]: Start difference. First operand has 405 places, 409 transitions, 827 flow. Second operand 6 states and 2338 transitions. [2024-11-27 20:05:01,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 407 transitions, 947 flow [2024-11-27 20:05:01,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 407 transitions, 943 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:05:01,298 INFO L231 Difference]: Finished difference. Result has 406 places, 407 transitions, 839 flow [2024-11-27 20:05:01,299 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=819, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=839, PETRI_PLACES=406, PETRI_TRANSITIONS=407} [2024-11-27 20:05:01,300 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -14 predicate places. [2024-11-27 20:05:01,301 INFO L471 AbstractCegarLoop]: Abstraction has has 406 places, 407 transitions, 839 flow [2024-11-27 20:05:01,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 380.5) internal successors, (2283), 6 states have internal predecessors, (2283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:01,303 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:05:01,303 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] [2024-11-27 20:05:01,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:05:01,304 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-27 20:05:01,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:01,304 INFO L85 PathProgramCache]: Analyzing trace with hash -176769203, now seen corresponding path program 1 times [2024-11-27 20:05:01,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:01,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055672113] [2024-11-27 20:05:01,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:01,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:01,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:05:01,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:01,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055672113] [2024-11-27 20:05:01,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055672113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:01,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:01,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:05:01,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070127091] [2024-11-27 20:05:01,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:01,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:05:01,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:01,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:05:01,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:05:01,410 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 423 out of 459 [2024-11-27 20:05:01,413 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 407 transitions, 839 flow. Second operand has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:01,413 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:05:01,413 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 423 of 459 [2024-11-27 20:05:01,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:05:01,725 INFO L124 PetriNetUnfolderBase]: 65/1347 cut-off events. [2024-11-27 20:05:01,725 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-27 20:05:01,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1437 conditions, 1347 events. 65/1347 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7649 event pairs, 24 based on Foata normal form. 0/1170 useless extension candidates. Maximal degree in co-relation 1404. Up to 69 conditions per place. [2024-11-27 20:05:01,738 INFO L140 encePairwiseOnDemand]: 453/459 looper letters, 14 selfloop transitions, 1 changer transitions 0/402 dead transitions. [2024-11-27 20:05:01,739 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 402 transitions, 859 flow [2024-11-27 20:05:01,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:05:01,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:05:01,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1289 transitions. [2024-11-27 20:05:01,743 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9360929557007989 [2024-11-27 20:05:01,743 INFO L175 Difference]: Start difference. First operand has 406 places, 407 transitions, 839 flow. Second operand 3 states and 1289 transitions. [2024-11-27 20:05:01,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 402 transitions, 859 flow [2024-11-27 20:05:01,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 402 transitions, 839 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 20:05:01,751 INFO L231 Difference]: Finished difference. Result has 398 places, 402 transitions, 811 flow [2024-11-27 20:05:01,752 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=809, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=811, PETRI_PLACES=398, PETRI_TRANSITIONS=402} [2024-11-27 20:05:01,753 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -22 predicate places. [2024-11-27 20:05:01,754 INFO L471 AbstractCegarLoop]: Abstraction has has 398 places, 402 transitions, 811 flow [2024-11-27 20:05:01,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:01,755 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:05:01,755 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] [2024-11-27 20:05:01,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:05:01,755 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-27 20:05:01,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:01,756 INFO L85 PathProgramCache]: Analyzing trace with hash 888960070, now seen corresponding path program 1 times [2024-11-27 20:05:01,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:01,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795731347] [2024-11-27 20:05:01,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:01,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:01,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:05:01,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:01,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795731347] [2024-11-27 20:05:01,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795731347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:01,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:01,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:05:01,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595865782] [2024-11-27 20:05:01,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:01,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:05:01,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:01,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:05:01,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:05:01,909 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 459 [2024-11-27 20:05:01,912 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 402 transitions, 811 flow. Second operand has 3 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:01,912 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:05:01,912 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 459 [2024-11-27 20:05:01,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:05:02,028 INFO L124 PetriNetUnfolderBase]: 24/633 cut-off events. [2024-11-27 20:05:02,028 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-27 20:05:02,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 671 conditions, 633 events. 24/633 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2041 event pairs, 8 based on Foata normal form. 0/561 useless extension candidates. Maximal degree in co-relation 633. Up to 28 conditions per place. [2024-11-27 20:05:02,035 INFO L140 encePairwiseOnDemand]: 456/459 looper letters, 11 selfloop transitions, 2 changer transitions 0/401 dead transitions. [2024-11-27 20:05:02,035 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 401 transitions, 835 flow [2024-11-27 20:05:02,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:05:02,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:05:02,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1298 transitions. [2024-11-27 20:05:02,040 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9426289034132171 [2024-11-27 20:05:02,040 INFO L175 Difference]: Start difference. First operand has 398 places, 402 transitions, 811 flow. Second operand 3 states and 1298 transitions. [2024-11-27 20:05:02,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 401 transitions, 835 flow [2024-11-27 20:05:02,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 401 transitions, 834 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:05:02,048 INFO L231 Difference]: Finished difference. Result has 398 places, 401 transitions, 812 flow [2024-11-27 20:05:02,049 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=812, PETRI_PLACES=398, PETRI_TRANSITIONS=401} [2024-11-27 20:05:02,051 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -22 predicate places. [2024-11-27 20:05:02,051 INFO L471 AbstractCegarLoop]: Abstraction has has 398 places, 401 transitions, 812 flow [2024-11-27 20:05:02,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:02,053 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:05:02,053 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] [2024-11-27 20:05:02,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:05:02,053 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-27 20:05:02,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:02,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1418405430, now seen corresponding path program 1 times [2024-11-27 20:05:02,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:02,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623481322] [2024-11-27 20:05:02,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:02,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:02,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:05:02,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:02,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623481322] [2024-11-27 20:05:02,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623481322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:02,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:02,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:05:02,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31164486] [2024-11-27 20:05:02,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:02,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:05:02,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:02,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:05:02,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:05:02,210 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 430 out of 459 [2024-11-27 20:05:02,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 401 transitions, 812 flow. Second operand has 3 states, 3 states have (on average 431.3333333333333) internal successors, (1294), 3 states have internal predecessors, (1294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:02,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:05:02,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 430 of 459 [2024-11-27 20:05:02,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:05:02,347 INFO L124 PetriNetUnfolderBase]: 21/615 cut-off events. [2024-11-27 20:05:02,347 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-27 20:05:02,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 651 conditions, 615 events. 21/615 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1987 event pairs, 3 based on Foata normal form. 1/548 useless extension candidates. Maximal degree in co-relation 614. Up to 17 conditions per place. [2024-11-27 20:05:02,354 INFO L140 encePairwiseOnDemand]: 456/459 looper letters, 11 selfloop transitions, 2 changer transitions 0/401 dead transitions. [2024-11-27 20:05:02,354 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 401 transitions, 839 flow [2024-11-27 20:05:02,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:05:02,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:05:02,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1304 transitions. [2024-11-27 20:05:02,358 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9469862018881626 [2024-11-27 20:05:02,359 INFO L175 Difference]: Start difference. First operand has 398 places, 401 transitions, 812 flow. Second operand 3 states and 1304 transitions. [2024-11-27 20:05:02,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 401 transitions, 839 flow [2024-11-27 20:05:02,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 401 transitions, 835 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:05:02,369 INFO L231 Difference]: Finished difference. Result has 397 places, 400 transitions, 810 flow [2024-11-27 20:05:02,370 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=806, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=810, PETRI_PLACES=397, PETRI_TRANSITIONS=400} [2024-11-27 20:05:02,372 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -23 predicate places. [2024-11-27 20:05:02,373 INFO L471 AbstractCegarLoop]: Abstraction has has 397 places, 400 transitions, 810 flow [2024-11-27 20:05:02,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 431.3333333333333) internal successors, (1294), 3 states have internal predecessors, (1294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:02,377 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:05:02,377 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] [2024-11-27 20:05:02,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 20:05:02,377 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-27 20:05:02,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:02,378 INFO L85 PathProgramCache]: Analyzing trace with hash 816119444, now seen corresponding path program 1 times [2024-11-27 20:05:02,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:02,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060391239] [2024-11-27 20:05:02,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:02,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:02,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:05:02,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:02,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060391239] [2024-11-27 20:05:02,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060391239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:02,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:02,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:05:02,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986314607] [2024-11-27 20:05:02,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:02,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:05:02,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:02,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:05:02,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:05:02,531 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 430 out of 459 [2024-11-27 20:05:02,534 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 400 transitions, 810 flow. Second operand has 3 states, 3 states have (on average 431.6666666666667) internal successors, (1295), 3 states have internal predecessors, (1295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:02,534 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:05:02,534 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 430 of 459 [2024-11-27 20:05:02,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:05:02,661 INFO L124 PetriNetUnfolderBase]: 18/504 cut-off events. [2024-11-27 20:05:02,662 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-11-27 20:05:02,665 INFO L83 FinitePrefix]: Finished finitePrefix Result has 535 conditions, 504 events. 18/504 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1269 event pairs, 3 based on Foata normal form. 0/450 useless extension candidates. Maximal degree in co-relation 498. Up to 17 conditions per place. [2024-11-27 20:05:02,668 INFO L140 encePairwiseOnDemand]: 456/459 looper letters, 11 selfloop transitions, 2 changer transitions 0/400 dead transitions. [2024-11-27 20:05:02,669 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 400 transitions, 837 flow [2024-11-27 20:05:02,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:05:02,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:05:02,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1304 transitions. [2024-11-27 20:05:02,674 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9469862018881626 [2024-11-27 20:05:02,674 INFO L175 Difference]: Start difference. First operand has 397 places, 400 transitions, 810 flow. Second operand 3 states and 1304 transitions. [2024-11-27 20:05:02,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 400 transitions, 837 flow [2024-11-27 20:05:02,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 400 transitions, 833 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:05:02,686 INFO L231 Difference]: Finished difference. Result has 396 places, 399 transitions, 808 flow [2024-11-27 20:05:02,687 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=804, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=808, PETRI_PLACES=396, PETRI_TRANSITIONS=399} [2024-11-27 20:05:02,689 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -24 predicate places. [2024-11-27 20:05:02,689 INFO L471 AbstractCegarLoop]: Abstraction has has 396 places, 399 transitions, 808 flow [2024-11-27 20:05:02,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 431.6666666666667) internal successors, (1295), 3 states have internal predecessors, (1295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:02,691 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:05:02,691 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] [2024-11-27 20:05:02,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 20:05:02,691 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-27 20:05:02,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:02,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1020621615, now seen corresponding path program 1 times [2024-11-27 20:05:02,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:02,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795772601] [2024-11-27 20:05:02,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:02,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:02,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:05:02,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:02,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795772601] [2024-11-27 20:05:02,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795772601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:02,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:02,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:05:02,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353150652] [2024-11-27 20:05:02,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:02,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:05:02,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:02,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:05:02,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:05:02,803 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 431 out of 459 [2024-11-27 20:05:02,805 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 399 transitions, 808 flow. Second operand has 3 states, 3 states have (on average 432.6666666666667) internal successors, (1298), 3 states have internal predecessors, (1298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:02,805 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:05:02,806 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 431 of 459 [2024-11-27 20:05:02,806 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:05:02,947 INFO L124 PetriNetUnfolderBase]: 24/615 cut-off events. [2024-11-27 20:05:02,948 INFO L125 PetriNetUnfolderBase]: For 2/10 co-relation queries the response was YES. [2024-11-27 20:05:02,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 665 conditions, 615 events. 24/615 cut-off events. For 2/10 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1940 event pairs, 6 based on Foata normal form. 1/550 useless extension candidates. Maximal degree in co-relation 628. Up to 24 conditions per place. [2024-11-27 20:05:02,954 INFO L140 encePairwiseOnDemand]: 455/459 looper letters, 11 selfloop transitions, 3 changer transitions 0/401 dead transitions. [2024-11-27 20:05:02,955 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 401 transitions, 841 flow [2024-11-27 20:05:02,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:05:02,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:05:02,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1308 transitions. [2024-11-27 20:05:02,959 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9498910675381264 [2024-11-27 20:05:02,959 INFO L175 Difference]: Start difference. First operand has 396 places, 399 transitions, 808 flow. Second operand 3 states and 1308 transitions. [2024-11-27 20:05:02,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 401 transitions, 841 flow [2024-11-27 20:05:02,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 401 transitions, 837 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:05:02,969 INFO L231 Difference]: Finished difference. Result has 398 places, 400 transitions, 822 flow [2024-11-27 20:05:02,970 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=804, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=822, PETRI_PLACES=398, PETRI_TRANSITIONS=400} [2024-11-27 20:05:02,971 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -22 predicate places. [2024-11-27 20:05:02,971 INFO L471 AbstractCegarLoop]: Abstraction has has 398 places, 400 transitions, 822 flow [2024-11-27 20:05:02,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 432.6666666666667) internal successors, (1298), 3 states have internal predecessors, (1298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:02,972 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:05:02,972 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] [2024-11-27 20:05:02,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 20:05:02,973 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-27 20:05:02,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:02,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1394013223, now seen corresponding path program 1 times [2024-11-27 20:05:02,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:02,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76117502] [2024-11-27 20:05:02,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:02,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:03,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:05:03,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:03,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76117502] [2024-11-27 20:05:03,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76117502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:03,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:03,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:05:03,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122542] [2024-11-27 20:05:03,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:03,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:05:03,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:03,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:05:03,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:05:03,073 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 459 [2024-11-27 20:05:03,075 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 400 transitions, 822 flow. Second operand has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:03,075 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:05:03,075 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 459 [2024-11-27 20:05:03,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:05:03,304 INFO L124 PetriNetUnfolderBase]: 69/1225 cut-off events. [2024-11-27 20:05:03,305 INFO L125 PetriNetUnfolderBase]: For 22/23 co-relation queries the response was YES. [2024-11-27 20:05:03,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1353 conditions, 1225 events. 69/1225 cut-off events. For 22/23 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 6586 event pairs, 12 based on Foata normal form. 0/1091 useless extension candidates. Maximal degree in co-relation 1315. Up to 79 conditions per place. [2024-11-27 20:05:03,321 INFO L140 encePairwiseOnDemand]: 453/459 looper letters, 16 selfloop transitions, 2 changer transitions 0/401 dead transitions. [2024-11-27 20:05:03,321 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 401 transitions, 863 flow [2024-11-27 20:05:03,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:05:03,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:05:03,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1300 transitions. [2024-11-27 20:05:03,325 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.944081336238199 [2024-11-27 20:05:03,325 INFO L175 Difference]: Start difference. First operand has 398 places, 400 transitions, 822 flow. Second operand 3 states and 1300 transitions. [2024-11-27 20:05:03,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 401 transitions, 863 flow [2024-11-27 20:05:03,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 401 transitions, 857 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:05:03,334 INFO L231 Difference]: Finished difference. Result has 395 places, 398 transitions, 822 flow [2024-11-27 20:05:03,335 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=822, PETRI_PLACES=395, PETRI_TRANSITIONS=398} [2024-11-27 20:05:03,336 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -25 predicate places. [2024-11-27 20:05:03,336 INFO L471 AbstractCegarLoop]: Abstraction has has 395 places, 398 transitions, 822 flow [2024-11-27 20:05:03,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:03,337 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:05:03,338 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] [2024-11-27 20:05:03,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 20:05:03,340 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-27 20:05:03,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:03,341 INFO L85 PathProgramCache]: Analyzing trace with hash -642653635, now seen corresponding path program 1 times [2024-11-27 20:05:03,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:03,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193485922] [2024-11-27 20:05:03,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:03,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:03,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:05:03,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:03,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193485922] [2024-11-27 20:05:03,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193485922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:03,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:03,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 20:05:03,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701280569] [2024-11-27 20:05:03,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:03,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:05:03,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:03,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:05:03,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:05:04,345 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 459 [2024-11-27 20:05:04,350 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 398 transitions, 822 flow. Second operand has 8 states, 8 states have (on average 412.125) internal successors, (3297), 8 states have internal predecessors, (3297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:04,350 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:05:04,351 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 459 [2024-11-27 20:05:04,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:05:04,778 INFO L124 PetriNetUnfolderBase]: 65/1275 cut-off events. [2024-11-27 20:05:04,779 INFO L125 PetriNetUnfolderBase]: For 7/19 co-relation queries the response was YES. [2024-11-27 20:05:04,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1493 conditions, 1275 events. 65/1275 cut-off events. For 7/19 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 6541 event pairs, 15 based on Foata normal form. 3/1156 useless extension candidates. Maximal degree in co-relation 1453. Up to 70 conditions per place. [2024-11-27 20:05:04,789 INFO L140 encePairwiseOnDemand]: 443/459 looper letters, 43 selfloop transitions, 18 changer transitions 0/424 dead transitions. [2024-11-27 20:05:04,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 424 transitions, 1009 flow [2024-11-27 20:05:04,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 20:05:04,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-27 20:05:04,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 4970 transitions. [2024-11-27 20:05:04,802 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9023238925199709 [2024-11-27 20:05:04,802 INFO L175 Difference]: Start difference. First operand has 395 places, 398 transitions, 822 flow. Second operand 12 states and 4970 transitions. [2024-11-27 20:05:04,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 424 transitions, 1009 flow [2024-11-27 20:05:04,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 424 transitions, 1009 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:05:04,810 INFO L231 Difference]: Finished difference. Result has 412 places, 407 transitions, 915 flow [2024-11-27 20:05:04,811 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=915, PETRI_PLACES=412, PETRI_TRANSITIONS=407} [2024-11-27 20:05:04,813 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -8 predicate places. [2024-11-27 20:05:04,813 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 407 transitions, 915 flow [2024-11-27 20:05:04,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 412.125) internal successors, (3297), 8 states have internal predecessors, (3297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:04,816 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:05:04,816 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] [2024-11-27 20:05:04,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 20:05:04,816 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-27 20:05:04,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:04,817 INFO L85 PathProgramCache]: Analyzing trace with hash 93882076, now seen corresponding path program 1 times [2024-11-27 20:05:04,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:04,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215071991] [2024-11-27 20:05:04,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:04,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:04,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:05:04,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:04,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215071991] [2024-11-27 20:05:04,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215071991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:04,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:04,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:05:04,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834213903] [2024-11-27 20:05:04,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:04,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:05:04,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:04,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:05:04,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:05:04,901 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 431 out of 459 [2024-11-27 20:05:04,903 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 407 transitions, 915 flow. Second operand has 3 states, 3 states have (on average 433.0) internal successors, (1299), 3 states have internal predecessors, (1299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:04,904 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:05:04,904 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 431 of 459 [2024-11-27 20:05:04,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:05:05,129 INFO L124 PetriNetUnfolderBase]: 86/1151 cut-off events. [2024-11-27 20:05:05,129 INFO L125 PetriNetUnfolderBase]: For 72/75 co-relation queries the response was YES. [2024-11-27 20:05:05,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1388 conditions, 1151 events. 86/1151 cut-off events. For 72/75 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 6146 event pairs, 24 based on Foata normal form. 0/1030 useless extension candidates. Maximal degree in co-relation 1340. Up to 98 conditions per place. [2024-11-27 20:05:05,141 INFO L140 encePairwiseOnDemand]: 455/459 looper letters, 11 selfloop transitions, 3 changer transitions 0/409 dead transitions. [2024-11-27 20:05:05,142 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 409 transitions, 948 flow [2024-11-27 20:05:05,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:05:05,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:05:05,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1308 transitions. [2024-11-27 20:05:05,146 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9498910675381264 [2024-11-27 20:05:05,146 INFO L175 Difference]: Start difference. First operand has 412 places, 407 transitions, 915 flow. Second operand 3 states and 1308 transitions. [2024-11-27 20:05:05,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 409 transitions, 948 flow [2024-11-27 20:05:05,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 409 transitions, 948 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:05:05,156 INFO L231 Difference]: Finished difference. Result has 416 places, 408 transitions, 933 flow [2024-11-27 20:05:05,157 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=915, PETRI_DIFFERENCE_MINUEND_PLACES=412, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=933, PETRI_PLACES=416, PETRI_TRANSITIONS=408} [2024-11-27 20:05:05,159 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -4 predicate places. [2024-11-27 20:05:05,159 INFO L471 AbstractCegarLoop]: Abstraction has has 416 places, 408 transitions, 933 flow [2024-11-27 20:05:05,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 433.0) internal successors, (1299), 3 states have internal predecessors, (1299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:05,161 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:05:05,161 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] [2024-11-27 20:05:05,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 20:05:05,161 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-27 20:05:05,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:05,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1881098727, now seen corresponding path program 1 times [2024-11-27 20:05:05,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:05,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307308887] [2024-11-27 20:05:05,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:05,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:05,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:05:05,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:05,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307308887] [2024-11-27 20:05:05,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307308887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:05,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:05,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 20:05:05,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796193852] [2024-11-27 20:05:05,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:05,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:05:05,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:05,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:05:05,428 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:05:06,036 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 459 [2024-11-27 20:05:06,040 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 416 places, 408 transitions, 933 flow. Second operand has 8 states, 8 states have (on average 412.25) internal successors, (3298), 8 states have internal predecessors, (3298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:06,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:05:06,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 459 [2024-11-27 20:05:06,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:05:06,312 INFO L124 PetriNetUnfolderBase]: 68/915 cut-off events. [2024-11-27 20:05:06,312 INFO L125 PetriNetUnfolderBase]: For 83/86 co-relation queries the response was YES. [2024-11-27 20:05:06,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1199 conditions, 915 events. 68/915 cut-off events. For 83/86 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4084 event pairs, 20 based on Foata normal form. 2/845 useless extension candidates. Maximal degree in co-relation 1147. Up to 105 conditions per place. [2024-11-27 20:05:06,320 INFO L140 encePairwiseOnDemand]: 445/459 looper letters, 45 selfloop transitions, 15 changer transitions 0/428 dead transitions. [2024-11-27 20:05:06,320 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 428 transitions, 1109 flow [2024-11-27 20:05:06,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 20:05:06,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-27 20:05:06,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4559 transitions. [2024-11-27 20:05:06,330 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9029510794216676 [2024-11-27 20:05:06,330 INFO L175 Difference]: Start difference. First operand has 416 places, 408 transitions, 933 flow. Second operand 11 states and 4559 transitions. [2024-11-27 20:05:06,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 428 transitions, 1109 flow [2024-11-27 20:05:06,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 428 transitions, 1099 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:05:06,342 INFO L231 Difference]: Finished difference. Result has 427 places, 411 transitions, 982 flow [2024-11-27 20:05:06,343 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=927, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=982, PETRI_PLACES=427, PETRI_TRANSITIONS=411} [2024-11-27 20:05:06,344 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, 7 predicate places. [2024-11-27 20:05:06,344 INFO L471 AbstractCegarLoop]: Abstraction has has 427 places, 411 transitions, 982 flow [2024-11-27 20:05:06,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 412.25) internal successors, (3298), 8 states have internal predecessors, (3298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:06,346 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:05:06,346 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, 1, 1, 1, 1, 1] [2024-11-27 20:05:06,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 20:05:06,347 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-27 20:05:06,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:06,348 INFO L85 PathProgramCache]: Analyzing trace with hash 114732816, now seen corresponding path program 1 times [2024-11-27 20:05:06,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:06,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42652473] [2024-11-27 20:05:06,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:06,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:06,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 20:05:06,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:06,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42652473] [2024-11-27 20:05:06,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42652473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:06,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:06,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 20:05:06,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207951560] [2024-11-27 20:05:06,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:06,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:05:06,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:06,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:05:06,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:05:07,350 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 459 [2024-11-27 20:05:07,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 411 transitions, 982 flow. Second operand has 8 states, 8 states have (on average 412.25) internal successors, (3298), 8 states have internal predecessors, (3298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:07,354 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:05:07,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 459 [2024-11-27 20:05:07,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:05:07,715 INFO L124 PetriNetUnfolderBase]: 75/1344 cut-off events. [2024-11-27 20:05:07,715 INFO L125 PetriNetUnfolderBase]: For 109/127 co-relation queries the response was YES. [2024-11-27 20:05:07,725 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1820 conditions, 1344 events. 75/1344 cut-off events. For 109/127 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 6841 event pairs, 23 based on Foata normal form. 4/1249 useless extension candidates. Maximal degree in co-relation 1762. Up to 114 conditions per place. [2024-11-27 20:05:07,730 INFO L140 encePairwiseOnDemand]: 444/459 looper letters, 48 selfloop transitions, 19 changer transitions 0/434 dead transitions. [2024-11-27 20:05:07,730 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 434 transitions, 1209 flow [2024-11-27 20:05:07,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 20:05:07,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-27 20:05:07,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4552 transitions. [2024-11-27 20:05:07,739 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9015646662705487 [2024-11-27 20:05:07,740 INFO L175 Difference]: Start difference. First operand has 427 places, 411 transitions, 982 flow. Second operand 11 states and 4552 transitions. [2024-11-27 20:05:07,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 434 transitions, 1209 flow [2024-11-27 20:05:07,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 430 places, 434 transitions, 1188 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-11-27 20:05:07,750 INFO L231 Difference]: Finished difference. Result has 435 places, 423 transitions, 1093 flow [2024-11-27 20:05:07,751 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=961, PETRI_DIFFERENCE_MINUEND_PLACES=420, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1093, PETRI_PLACES=435, PETRI_TRANSITIONS=423} [2024-11-27 20:05:07,751 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, 15 predicate places. [2024-11-27 20:05:07,752 INFO L471 AbstractCegarLoop]: Abstraction has has 435 places, 423 transitions, 1093 flow [2024-11-27 20:05:07,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 412.25) internal successors, (3298), 8 states have internal predecessors, (3298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:07,754 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:05:07,754 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:07,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 20:05:07,754 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-27 20:05:07,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:07,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1128131706, now seen corresponding path program 1 times [2024-11-27 20:05:07,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:07,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481309128] [2024-11-27 20:05:07,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:07,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:08,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 20:05:08,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:08,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481309128] [2024-11-27 20:05:08,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481309128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:08,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:08,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 20:05:08,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499411850] [2024-11-27 20:05:08,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:08,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:05:08,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:08,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:05:08,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:05:08,703 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 459 [2024-11-27 20:05:08,706 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 423 transitions, 1093 flow. Second operand has 8 states, 8 states have (on average 412.375) internal successors, (3299), 8 states have internal predecessors, (3299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:08,707 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:05:08,707 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 459 [2024-11-27 20:05:08,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:05:09,119 INFO L124 PetriNetUnfolderBase]: 87/1207 cut-off events. [2024-11-27 20:05:09,119 INFO L125 PetriNetUnfolderBase]: For 205/210 co-relation queries the response was YES. [2024-11-27 20:05:09,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1690 conditions, 1207 events. 87/1207 cut-off events. For 205/210 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 6272 event pairs, 29 based on Foata normal form. 0/1115 useless extension candidates. Maximal degree in co-relation 1625. Up to 130 conditions per place. [2024-11-27 20:05:09,135 INFO L140 encePairwiseOnDemand]: 444/459 looper letters, 47 selfloop transitions, 18 changer transitions 0/440 dead transitions. [2024-11-27 20:05:09,135 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 440 transitions, 1293 flow [2024-11-27 20:05:09,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 20:05:09,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-27 20:05:09,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4552 transitions. [2024-11-27 20:05:09,145 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9015646662705487 [2024-11-27 20:05:09,145 INFO L175 Difference]: Start difference. First operand has 435 places, 423 transitions, 1093 flow. Second operand 11 states and 4552 transitions. [2024-11-27 20:05:09,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 440 transitions, 1293 flow [2024-11-27 20:05:09,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 440 transitions, 1289 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:05:09,157 INFO L231 Difference]: Finished difference. Result has 447 places, 429 transitions, 1184 flow [2024-11-27 20:05:09,158 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=1089, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1184, PETRI_PLACES=447, PETRI_TRANSITIONS=429} [2024-11-27 20:05:09,158 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, 27 predicate places. [2024-11-27 20:05:09,158 INFO L471 AbstractCegarLoop]: Abstraction has has 447 places, 429 transitions, 1184 flow [2024-11-27 20:05:09,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 412.375) internal successors, (3299), 8 states have internal predecessors, (3299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:09,160 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:05:09,161 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:09,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 20:05:09,161 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-27 20:05:09,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:09,166 INFO L85 PathProgramCache]: Analyzing trace with hash -31636557, now seen corresponding path program 1 times [2024-11-27 20:05:09,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:09,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968268087] [2024-11-27 20:05:09,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:09,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:09,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:05:09,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:09,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968268087] [2024-11-27 20:05:09,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968268087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:09,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:09,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:05:09,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575583223] [2024-11-27 20:05:09,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:09,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:05:09,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:09,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:05:09,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:05:09,260 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 459 [2024-11-27 20:05:09,262 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 429 transitions, 1184 flow. Second operand has 3 states, 3 states have (on average 430.3333333333333) internal successors, (1291), 3 states have internal predecessors, (1291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:09,265 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:05:09,265 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 459 [2024-11-27 20:05:09,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:05:09,553 INFO L124 PetriNetUnfolderBase]: 43/1283 cut-off events. [2024-11-27 20:05:09,554 INFO L125 PetriNetUnfolderBase]: For 191/202 co-relation queries the response was YES. [2024-11-27 20:05:09,562 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1727 conditions, 1283 events. 43/1283 cut-off events. For 191/202 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 5501 event pairs, 5 based on Foata normal form. 0/1207 useless extension candidates. Maximal degree in co-relation 1659. Up to 36 conditions per place. [2024-11-27 20:05:09,565 INFO L140 encePairwiseOnDemand]: 455/459 looper letters, 11 selfloop transitions, 1 changer transitions 0/426 dead transitions. [2024-11-27 20:05:09,565 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 426 transitions, 1202 flow [2024-11-27 20:05:09,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:05:09,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:05:09,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1299 transitions. [2024-11-27 20:05:09,569 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9433551198257081 [2024-11-27 20:05:09,569 INFO L175 Difference]: Start difference. First operand has 447 places, 429 transitions, 1184 flow. Second operand 3 states and 1299 transitions. [2024-11-27 20:05:09,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 426 transitions, 1202 flow [2024-11-27 20:05:09,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 439 places, 426 transitions, 1181 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-11-27 20:05:09,581 INFO L231 Difference]: Finished difference. Result has 439 places, 426 transitions, 1159 flow [2024-11-27 20:05:09,582 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=1157, PETRI_DIFFERENCE_MINUEND_PLACES=437, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1159, PETRI_PLACES=439, PETRI_TRANSITIONS=426} [2024-11-27 20:05:09,583 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, 19 predicate places. [2024-11-27 20:05:09,583 INFO L471 AbstractCegarLoop]: Abstraction has has 439 places, 426 transitions, 1159 flow [2024-11-27 20:05:09,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 430.3333333333333) internal successors, (1291), 3 states have internal predecessors, (1291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:09,588 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:05:09,589 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:09,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 20:05:09,589 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-27 20:05:09,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:09,590 INFO L85 PathProgramCache]: Analyzing trace with hash -283218757, now seen corresponding path program 1 times [2024-11-27 20:05:09,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:09,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843328856] [2024-11-27 20:05:09,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:09,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:09,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:05:09,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:09,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843328856] [2024-11-27 20:05:09,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843328856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:09,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:09,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:05:09,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080367870] [2024-11-27 20:05:09,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:09,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:05:09,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:09,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:05:09,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:05:09,688 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 459 [2024-11-27 20:05:09,690 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 426 transitions, 1159 flow. Second operand has 3 states, 3 states have (on average 430.3333333333333) internal successors, (1291), 3 states have internal predecessors, (1291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:09,690 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:05:09,691 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 459 [2024-11-27 20:05:09,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:05:09,969 INFO L124 PetriNetUnfolderBase]: 46/1243 cut-off events. [2024-11-27 20:05:09,969 INFO L125 PetriNetUnfolderBase]: For 166/171 co-relation queries the response was YES. [2024-11-27 20:05:09,980 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1648 conditions, 1243 events. 46/1243 cut-off events. For 166/171 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 5763 event pairs, 6 based on Foata normal form. 5/1187 useless extension candidates. Maximal degree in co-relation 1581. Up to 38 conditions per place. [2024-11-27 20:05:09,984 INFO L140 encePairwiseOnDemand]: 453/459 looper letters, 5 selfloop transitions, 0 changer transitions 66/425 dead transitions. [2024-11-27 20:05:09,984 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 425 transitions, 1183 flow [2024-11-27 20:05:09,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:05:09,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:05:09,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1300 transitions. [2024-11-27 20:05:09,987 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.944081336238199 [2024-11-27 20:05:09,988 INFO L175 Difference]: Start difference. First operand has 439 places, 426 transitions, 1159 flow. Second operand 3 states and 1300 transitions. [2024-11-27 20:05:09,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 425 transitions, 1183 flow [2024-11-27 20:05:09,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 425 transitions, 1182 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:05:10,001 INFO L231 Difference]: Finished difference. Result has 437 places, 359 transitions, 856 flow [2024-11-27 20:05:10,002 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=1152, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=423, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=856, PETRI_PLACES=437, PETRI_TRANSITIONS=359} [2024-11-27 20:05:10,003 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, 17 predicate places. [2024-11-27 20:05:10,003 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 359 transitions, 856 flow [2024-11-27 20:05:10,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 430.3333333333333) internal successors, (1291), 3 states have internal predecessors, (1291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:10,004 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:05:10,004 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:10,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-27 20:05:10,005 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-27 20:05:10,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:10,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1185862145, now seen corresponding path program 1 times [2024-11-27 20:05:10,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:10,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207102040] [2024-11-27 20:05:10,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:10,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:10,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:05:10,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:10,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207102040] [2024-11-27 20:05:10,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207102040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:10,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:10,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:05:10,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908372095] [2024-11-27 20:05:10,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:10,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:05:10,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:10,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:05:10,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:05:11,297 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 459 [2024-11-27 20:05:11,300 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 359 transitions, 856 flow. Second operand has 6 states, 6 states have (on average 417.8333333333333) internal successors, (2507), 6 states have internal predecessors, (2507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:11,301 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:05:11,301 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 459 [2024-11-27 20:05:11,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:05:11,473 INFO L124 PetriNetUnfolderBase]: 29/648 cut-off events. [2024-11-27 20:05:11,473 INFO L125 PetriNetUnfolderBase]: For 61/61 co-relation queries the response was YES. [2024-11-27 20:05:11,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 895 conditions, 648 events. 29/648 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1930 event pairs, 2 based on Foata normal form. 0/610 useless extension candidates. Maximal degree in co-relation 872. Up to 29 conditions per place. [2024-11-27 20:05:11,482 INFO L140 encePairwiseOnDemand]: 452/459 looper letters, 25 selfloop transitions, 5 changer transitions 0/362 dead transitions. [2024-11-27 20:05:11,482 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 362 transitions, 927 flow [2024-11-27 20:05:11,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:05:11,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:05:11,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2522 transitions. [2024-11-27 20:05:11,486 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.915758896151053 [2024-11-27 20:05:11,486 INFO L175 Difference]: Start difference. First operand has 437 places, 359 transitions, 856 flow. Second operand 6 states and 2522 transitions. [2024-11-27 20:05:11,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 362 transitions, 927 flow [2024-11-27 20:05:11,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 362 transitions, 847 flow, removed 19 selfloop flow, removed 24 redundant places. [2024-11-27 20:05:11,494 INFO L231 Difference]: Finished difference. Result has 366 places, 357 transitions, 782 flow [2024-11-27 20:05:11,495 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=772, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=782, PETRI_PLACES=366, PETRI_TRANSITIONS=357} [2024-11-27 20:05:11,496 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -54 predicate places. [2024-11-27 20:05:11,496 INFO L471 AbstractCegarLoop]: Abstraction has has 366 places, 357 transitions, 782 flow [2024-11-27 20:05:11,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 417.8333333333333) internal successors, (2507), 6 states have internal predecessors, (2507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:11,497 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:05:11,497 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:11,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-27 20:05:11,498 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-27 20:05:11,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:11,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1447152767, now seen corresponding path program 1 times [2024-11-27 20:05:11,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:11,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854666748] [2024-11-27 20:05:11,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:11,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:11,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:05:11,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:11,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854666748] [2024-11-27 20:05:11,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854666748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:11,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:11,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:05:11,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868804315] [2024-11-27 20:05:11,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:11,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:05:11,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:11,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:05:11,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:05:11,598 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 459 [2024-11-27 20:05:11,599 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 357 transitions, 782 flow. Second operand has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:11,600 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:05:11,600 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 459 [2024-11-27 20:05:11,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:05:11,876 INFO L124 PetriNetUnfolderBase]: 68/1259 cut-off events. [2024-11-27 20:05:11,876 INFO L125 PetriNetUnfolderBase]: For 23/24 co-relation queries the response was YES. [2024-11-27 20:05:11,881 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1469 conditions, 1259 events. 68/1259 cut-off events. For 23/24 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 6574 event pairs, 17 based on Foata normal form. 0/1159 useless extension candidates. Maximal degree in co-relation 1459. Up to 85 conditions per place. [2024-11-27 20:05:11,884 INFO L140 encePairwiseOnDemand]: 453/459 looper letters, 14 selfloop transitions, 2 changer transitions 0/357 dead transitions. [2024-11-27 20:05:11,884 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 357 transitions, 816 flow [2024-11-27 20:05:11,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:05:11,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:05:11,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1298 transitions. [2024-11-27 20:05:11,886 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9426289034132171 [2024-11-27 20:05:11,886 INFO L175 Difference]: Start difference. First operand has 366 places, 357 transitions, 782 flow. Second operand 3 states and 1298 transitions. [2024-11-27 20:05:11,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 357 transitions, 816 flow [2024-11-27 20:05:11,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 357 transitions, 806 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 20:05:11,892 INFO L231 Difference]: Finished difference. Result has 360 places, 355 transitions, 778 flow [2024-11-27 20:05:11,893 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=764, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=778, PETRI_PLACES=360, PETRI_TRANSITIONS=355} [2024-11-27 20:05:11,893 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -60 predicate places. [2024-11-27 20:05:11,894 INFO L471 AbstractCegarLoop]: Abstraction has has 360 places, 355 transitions, 778 flow [2024-11-27 20:05:11,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:11,894 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:05:11,894 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:11,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-27 20:05:11,895 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-27 20:05:11,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:11,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1716730921, now seen corresponding path program 1 times [2024-11-27 20:05:11,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:11,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620539105] [2024-11-27 20:05:11,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:11,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:12,524 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:05:12,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:12,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620539105] [2024-11-27 20:05:12,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620539105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:12,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:12,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:05:12,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214834860] [2024-11-27 20:05:12,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:12,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:05:12,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:12,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:05:12,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:05:13,110 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 459 [2024-11-27 20:05:13,113 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 355 transitions, 778 flow. Second operand has 6 states, 6 states have (on average 418.0) internal successors, (2508), 6 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:13,113 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:05:13,113 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 459 [2024-11-27 20:05:13,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:05:13,321 INFO L124 PetriNetUnfolderBase]: 57/799 cut-off events. [2024-11-27 20:05:13,322 INFO L125 PetriNetUnfolderBase]: For 40/42 co-relation queries the response was YES. [2024-11-27 20:05:13,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1015 conditions, 799 events. 57/799 cut-off events. For 40/42 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3456 event pairs, 4 based on Foata normal form. 0/760 useless extension candidates. Maximal degree in co-relation 1005. Up to 52 conditions per place. [2024-11-27 20:05:13,329 INFO L140 encePairwiseOnDemand]: 452/459 looper letters, 24 selfloop transitions, 5 changer transitions 0/357 dead transitions. [2024-11-27 20:05:13,330 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 357 transitions, 844 flow [2024-11-27 20:05:13,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:05:13,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:05:13,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2521 transitions. [2024-11-27 20:05:13,334 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9153957879448076 [2024-11-27 20:05:13,334 INFO L175 Difference]: Start difference. First operand has 360 places, 355 transitions, 778 flow. Second operand 6 states and 2521 transitions. [2024-11-27 20:05:13,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 357 transitions, 844 flow [2024-11-27 20:05:13,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 357 transitions, 844 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:05:13,341 INFO L231 Difference]: Finished difference. Result has 363 places, 353 transitions, 784 flow [2024-11-27 20:05:13,341 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=784, PETRI_PLACES=363, PETRI_TRANSITIONS=353} [2024-11-27 20:05:13,342 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -57 predicate places. [2024-11-27 20:05:13,342 INFO L471 AbstractCegarLoop]: Abstraction has has 363 places, 353 transitions, 784 flow [2024-11-27 20:05:13,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 418.0) internal successors, (2508), 6 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:13,343 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:05:13,343 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:13,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-27 20:05:13,343 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-27 20:05:13,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:13,345 INFO L85 PathProgramCache]: Analyzing trace with hash -24723547, now seen corresponding path program 1 times [2024-11-27 20:05:13,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:13,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672916610] [2024-11-27 20:05:13,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:13,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:13,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:05:13,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:13,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672916610] [2024-11-27 20:05:13,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672916610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:13,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:13,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:05:13,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227033359] [2024-11-27 20:05:13,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:13,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:05:13,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:13,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:05:13,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:05:14,488 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 459 [2024-11-27 20:05:14,490 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 353 transitions, 784 flow. Second operand has 6 states, 6 states have (on average 417.8333333333333) internal successors, (2507), 6 states have internal predecessors, (2507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:14,491 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:05:14,491 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 459 [2024-11-27 20:05:14,491 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:05:14,664 INFO L124 PetriNetUnfolderBase]: 33/766 cut-off events. [2024-11-27 20:05:14,664 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-27 20:05:14,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 961 conditions, 766 events. 33/766 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2610 event pairs, 3 based on Foata normal form. 0/734 useless extension candidates. Maximal degree in co-relation 950. Up to 29 conditions per place. [2024-11-27 20:05:14,673 INFO L140 encePairwiseOnDemand]: 452/459 looper letters, 25 selfloop transitions, 5 changer transitions 0/356 dead transitions. [2024-11-27 20:05:14,673 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 356 transitions, 855 flow [2024-11-27 20:05:14,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:05:14,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:05:14,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2522 transitions. [2024-11-27 20:05:14,677 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.915758896151053 [2024-11-27 20:05:14,677 INFO L175 Difference]: Start difference. First operand has 363 places, 353 transitions, 784 flow. Second operand 6 states and 2522 transitions. [2024-11-27 20:05:14,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 356 transitions, 855 flow [2024-11-27 20:05:14,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 356 transitions, 845 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 20:05:14,683 INFO L231 Difference]: Finished difference. Result has 361 places, 351 transitions, 780 flow [2024-11-27 20:05:14,684 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=780, PETRI_PLACES=361, PETRI_TRANSITIONS=351} [2024-11-27 20:05:14,685 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -59 predicate places. [2024-11-27 20:05:14,685 INFO L471 AbstractCegarLoop]: Abstraction has has 361 places, 351 transitions, 780 flow [2024-11-27 20:05:14,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 417.8333333333333) internal successors, (2507), 6 states have internal predecessors, (2507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:14,686 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:05:14,686 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:14,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-27 20:05:14,686 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-27 20:05:14,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:14,687 INFO L85 PathProgramCache]: Analyzing trace with hash -751784625, now seen corresponding path program 1 times [2024-11-27 20:05:14,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:14,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196661407] [2024-11-27 20:05:14,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:14,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:15,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:05:15,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:15,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196661407] [2024-11-27 20:05:15,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196661407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:15,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:15,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:05:15,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129559242] [2024-11-27 20:05:15,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:15,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:05:15,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:15,245 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:05:15,245 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:05:15,902 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 459 [2024-11-27 20:05:15,904 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 351 transitions, 780 flow. Second operand has 6 states, 6 states have (on average 418.0) internal successors, (2508), 6 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:15,904 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:05:15,904 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 459 [2024-11-27 20:05:15,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:05:16,089 INFO L124 PetriNetUnfolderBase]: 60/895 cut-off events. [2024-11-27 20:05:16,090 INFO L125 PetriNetUnfolderBase]: For 43/46 co-relation queries the response was YES. [2024-11-27 20:05:16,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1124 conditions, 895 events. 60/895 cut-off events. For 43/46 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3992 event pairs, 6 based on Foata normal form. 0/853 useless extension candidates. Maximal degree in co-relation 1113. Up to 56 conditions per place. [2024-11-27 20:05:16,098 INFO L140 encePairwiseOnDemand]: 452/459 looper letters, 24 selfloop transitions, 5 changer transitions 0/353 dead transitions. [2024-11-27 20:05:16,099 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 353 transitions, 846 flow [2024-11-27 20:05:16,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:05:16,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:05:16,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2521 transitions. [2024-11-27 20:05:16,102 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9153957879448076 [2024-11-27 20:05:16,102 INFO L175 Difference]: Start difference. First operand has 361 places, 351 transitions, 780 flow. Second operand 6 states and 2521 transitions. [2024-11-27 20:05:16,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 353 transitions, 846 flow [2024-11-27 20:05:16,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 353 transitions, 836 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 20:05:16,108 INFO L231 Difference]: Finished difference. Result has 359 places, 349 transitions, 776 flow [2024-11-27 20:05:16,109 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=766, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=776, PETRI_PLACES=359, PETRI_TRANSITIONS=349} [2024-11-27 20:05:16,110 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -61 predicate places. [2024-11-27 20:05:16,110 INFO L471 AbstractCegarLoop]: Abstraction has has 359 places, 349 transitions, 776 flow [2024-11-27 20:05:16,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 418.0) internal successors, (2508), 6 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:16,111 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:05:16,111 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:16,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-27 20:05:16,112 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-27 20:05:16,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:16,113 INFO L85 PathProgramCache]: Analyzing trace with hash 2114119951, now seen corresponding path program 1 times [2024-11-27 20:05:16,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:16,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769507647] [2024-11-27 20:05:16,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:16,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:16,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:05:16,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:16,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769507647] [2024-11-27 20:05:16,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769507647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:16,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:16,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:05:16,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196841005] [2024-11-27 20:05:16,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:16,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:05:16,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:16,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:05:16,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:05:16,229 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 430 out of 459 [2024-11-27 20:05:16,231 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 349 transitions, 776 flow. Second operand has 3 states, 3 states have (on average 431.6666666666667) internal successors, (1295), 3 states have internal predecessors, (1295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:16,231 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:05:16,231 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 430 of 459 [2024-11-27 20:05:16,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:05:16,398 INFO L124 PetriNetUnfolderBase]: 29/866 cut-off events. [2024-11-27 20:05:16,398 INFO L125 PetriNetUnfolderBase]: For 7/9 co-relation queries the response was YES. [2024-11-27 20:05:16,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1020 conditions, 866 events. 29/866 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2838 event pairs, 3 based on Foata normal form. 0/833 useless extension candidates. Maximal degree in co-relation 1009. Up to 21 conditions per place. [2024-11-27 20:05:16,408 INFO L140 encePairwiseOnDemand]: 456/459 looper letters, 7 selfloop transitions, 2 changer transitions 0/349 dead transitions. [2024-11-27 20:05:16,408 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 349 transitions, 795 flow [2024-11-27 20:05:16,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:05:16,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:05:16,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1300 transitions. [2024-11-27 20:05:16,410 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.944081336238199 [2024-11-27 20:05:16,410 INFO L175 Difference]: Start difference. First operand has 359 places, 349 transitions, 776 flow. Second operand 3 states and 1300 transitions. [2024-11-27 20:05:16,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 349 transitions, 795 flow [2024-11-27 20:05:16,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 349 transitions, 785 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 20:05:16,416 INFO L231 Difference]: Finished difference. Result has 355 places, 348 transitions, 768 flow [2024-11-27 20:05:16,417 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=764, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=768, PETRI_PLACES=355, PETRI_TRANSITIONS=348} [2024-11-27 20:05:16,418 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -65 predicate places. [2024-11-27 20:05:16,418 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 348 transitions, 768 flow [2024-11-27 20:05:16,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 431.6666666666667) internal successors, (1295), 3 states have internal predecessors, (1295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:16,419 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:05:16,419 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:16,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-27 20:05:16,419 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2024-11-27 20:05:16,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:16,420 INFO L85 PathProgramCache]: Analyzing trace with hash -965796904, now seen corresponding path program 1 times [2024-11-27 20:05:16,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:16,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767751727] [2024-11-27 20:05:16,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:16,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:16,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:05:16,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:16,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767751727] [2024-11-27 20:05:16,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767751727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:16,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:16,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:05:16,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581761987] [2024-11-27 20:05:16,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:16,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:05:16,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:16,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:05:16,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:05:16,549 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 430 out of 459 [2024-11-27 20:05:16,551 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 348 transitions, 768 flow. Second operand has 3 states, 3 states have (on average 432.0) internal successors, (1296), 3 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:16,551 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:05:16,551 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 430 of 459 [2024-11-27 20:05:16,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:05:16,673 INFO L124 PetriNetUnfolderBase]: 35/736 cut-off events. [2024-11-27 20:05:16,673 INFO L125 PetriNetUnfolderBase]: For 14/16 co-relation queries the response was YES. [2024-11-27 20:05:16,679 INFO L83 FinitePrefix]: Finished finitePrefix Result has 868 conditions, 736 events. 35/736 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2595 event pairs, 4 based on Foata normal form. 0/712 useless extension candidates. Maximal degree in co-relation 857. Up to 20 conditions per place. [2024-11-27 20:05:16,679 INFO L140 encePairwiseOnDemand]: 456/459 looper letters, 0 selfloop transitions, 0 changer transitions 348/348 dead transitions. [2024-11-27 20:05:16,680 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 348 transitions, 787 flow [2024-11-27 20:05:16,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:05:16,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:05:16,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1300 transitions. [2024-11-27 20:05:16,682 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.944081336238199 [2024-11-27 20:05:16,682 INFO L175 Difference]: Start difference. First operand has 355 places, 348 transitions, 768 flow. Second operand 3 states and 1300 transitions. [2024-11-27 20:05:16,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 348 transitions, 787 flow [2024-11-27 20:05:16,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 348 transitions, 783 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:05:16,687 INFO L231 Difference]: Finished difference. Result has 354 places, 0 transitions, 0 flow [2024-11-27 20:05:16,687 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=354, PETRI_TRANSITIONS=0} [2024-11-27 20:05:16,687 INFO L279 CegarLoopForPetriNet]: 420 programPoint places, -66 predicate places. [2024-11-27 20:05:16,688 INFO L471 AbstractCegarLoop]: Abstraction has has 354 places, 0 transitions, 0 flow [2024-11-27 20:05:16,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 432.0) internal successors, (1296), 3 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:16,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (71 of 72 remaining) [2024-11-27 20:05:16,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (70 of 72 remaining) [2024-11-27 20:05:16,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (69 of 72 remaining) [2024-11-27 20:05:16,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (68 of 72 remaining) [2024-11-27 20:05:16,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (67 of 72 remaining) [2024-11-27 20:05:16,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (66 of 72 remaining) [2024-11-27 20:05:16,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (65 of 72 remaining) [2024-11-27 20:05:16,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (64 of 72 remaining) [2024-11-27 20:05:16,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (63 of 72 remaining) [2024-11-27 20:05:16,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (62 of 72 remaining) [2024-11-27 20:05:16,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (61 of 72 remaining) [2024-11-27 20:05:16,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (60 of 72 remaining) [2024-11-27 20:05:16,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (59 of 72 remaining) [2024-11-27 20:05:16,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (58 of 72 remaining) [2024-11-27 20:05:16,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (57 of 72 remaining) [2024-11-27 20:05:16,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (56 of 72 remaining) [2024-11-27 20:05:16,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (55 of 72 remaining) [2024-11-27 20:05:16,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (54 of 72 remaining) [2024-11-27 20:05:16,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (53 of 72 remaining) [2024-11-27 20:05:16,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (52 of 72 remaining) [2024-11-27 20:05:16,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (51 of 72 remaining) [2024-11-27 20:05:16,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (50 of 72 remaining) [2024-11-27 20:05:16,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (49 of 72 remaining) [2024-11-27 20:05:16,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (48 of 72 remaining) [2024-11-27 20:05:16,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (47 of 72 remaining) [2024-11-27 20:05:16,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (46 of 72 remaining) [2024-11-27 20:05:16,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (45 of 72 remaining) [2024-11-27 20:05:16,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (44 of 72 remaining) [2024-11-27 20:05:16,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (43 of 72 remaining) [2024-11-27 20:05:16,695 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (42 of 72 remaining) [2024-11-27 20:05:16,695 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (41 of 72 remaining) [2024-11-27 20:05:16,695 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (40 of 72 remaining) [2024-11-27 20:05:16,695 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 72 remaining) [2024-11-27 20:05:16,695 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (38 of 72 remaining) [2024-11-27 20:05:16,695 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (37 of 72 remaining) [2024-11-27 20:05:16,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 72 remaining) [2024-11-27 20:05:16,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (35 of 72 remaining) [2024-11-27 20:05:16,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (34 of 72 remaining) [2024-11-27 20:05:16,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (33 of 72 remaining) [2024-11-27 20:05:16,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (32 of 72 remaining) [2024-11-27 20:05:16,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (31 of 72 remaining) [2024-11-27 20:05:16,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (30 of 72 remaining) [2024-11-27 20:05:16,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 72 remaining) [2024-11-27 20:05:16,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 72 remaining) [2024-11-27 20:05:16,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (27 of 72 remaining) [2024-11-27 20:05:16,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (26 of 72 remaining) [2024-11-27 20:05:16,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (25 of 72 remaining) [2024-11-27 20:05:16,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (24 of 72 remaining) [2024-11-27 20:05:16,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (23 of 72 remaining) [2024-11-27 20:05:16,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (22 of 72 remaining) [2024-11-27 20:05:16,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (21 of 72 remaining) [2024-11-27 20:05:16,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (20 of 72 remaining) [2024-11-27 20:05:16,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (19 of 72 remaining) [2024-11-27 20:05:16,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (18 of 72 remaining) [2024-11-27 20:05:16,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (17 of 72 remaining) [2024-11-27 20:05:16,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (16 of 72 remaining) [2024-11-27 20:05:16,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (15 of 72 remaining) [2024-11-27 20:05:16,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (14 of 72 remaining) [2024-11-27 20:05:16,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (13 of 72 remaining) [2024-11-27 20:05:16,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (12 of 72 remaining) [2024-11-27 20:05:16,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (11 of 72 remaining) [2024-11-27 20:05:16,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (10 of 72 remaining) [2024-11-27 20:05:16,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (9 of 72 remaining) [2024-11-27 20:05:16,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (8 of 72 remaining) [2024-11-27 20:05:16,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (7 of 72 remaining) [2024-11-27 20:05:16,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (6 of 72 remaining) [2024-11-27 20:05:16,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (5 of 72 remaining) [2024-11-27 20:05:16,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (4 of 72 remaining) [2024-11-27 20:05:16,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (3 of 72 remaining) [2024-11-27 20:05:16,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (2 of 72 remaining) [2024-11-27 20:05:16,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (1 of 72 remaining) [2024-11-27 20:05:16,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (0 of 72 remaining) [2024-11-27 20:05:16,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-27 20:05:16,700 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:16,708 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 20:05:16,708 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:05:16,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:05:16 BasicIcfg [2024-11-27 20:05:16,717 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:05:16,718 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:05:16,719 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:05:16,719 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:05:16,719 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:04:56" (3/4) ... [2024-11-27 20:05:16,721 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 20:05:16,725 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-27 20:05:16,725 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-27 20:05:16,733 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-11-27 20:05:16,734 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-27 20:05:16,735 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 20:05:16,735 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 20:05:16,846 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f438a2-ee6f-40f2-98f4-62f6a43ebfa8/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 20:05:16,846 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f438a2-ee6f-40f2-98f4-62f6a43ebfa8/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 20:05:16,846 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:05:16,848 INFO L158 Benchmark]: Toolchain (without parser) took 22418.52ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 117.0MB in the beginning and 254.9MB in the end (delta: -137.9MB). Peak memory consumption was 92.4MB. Max. memory is 16.1GB. [2024-11-27 20:05:16,848 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 74.5MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:05:16,848 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.18ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 103.4MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:05:16,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.16ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 100.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:05:16,849 INFO L158 Benchmark]: Boogie Preprocessor took 67.44ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 98.0MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:05:16,849 INFO L158 Benchmark]: RCFGBuilder took 1341.63ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 64.2MB in the end (delta: 33.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-27 20:05:16,849 INFO L158 Benchmark]: TraceAbstraction took 20400.66ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 63.5MB in the beginning and 259.1MB in the end (delta: -195.6MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2024-11-27 20:05:16,850 INFO L158 Benchmark]: Witness Printer took 128.08ms. Allocated memory is still 377.5MB. Free memory was 259.1MB in the beginning and 254.9MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:05:16,852 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 74.5MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.18ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 103.4MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.16ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 100.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 67.44ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 98.0MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1341.63ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 64.2MB in the end (delta: 33.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 20400.66ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 63.5MB in the beginning and 259.1MB in the end (delta: -195.6MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. * Witness Printer took 128.08ms. Allocated memory is still 377.5MB. Free memory was 259.1MB in the beginning and 254.9MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: 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: 51]: 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: 52]: 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: 52]: 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: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: 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: 65]: 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: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: 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: 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: 91]: 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 5 procedures, 656 locations, 72 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: 20.1s, OverallIterations: 25, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3591 SdHoareTripleChecker+Valid, 6.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2299 mSDsluCounter, 3542 SdHoareTripleChecker+Invalid, 5.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3121 mSDsCounter, 610 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5770 IncrementalHoareTripleChecker+Invalid, 6380 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 610 mSolverCounterUnsat, 421 mSDtfsCounter, 5770 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1184occurred in iteration=16, InterpolantAutomatonStates: 123, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 3156 NumberOfCodeBlocks, 3156 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 3131 ConstructedInterpolants, 0 QuantifiedInterpolants, 4560 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 PerfectInterpolantSequences, 16/16 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 42 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-27 20:05:16,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f438a2-ee6f-40f2-98f4-62f6a43ebfa8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE