./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-1.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_9d595d3f-9558-450d-93f6-564e23659cd5/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d595d3f-9558-450d-93f6-564e23659cd5/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_9d595d3f-9558-450d-93f6-564e23659cd5/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d595d3f-9558-450d-93f6-564e23659cd5/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d595d3f-9558-450d-93f6-564e23659cd5/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_9d595d3f-9558-450d-93f6-564e23659cd5/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 faddac23864cc4e42f962ac43a8d0f59593853dbb1d55e3baabe0c76b2187dd4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:46:44,665 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:46:44,755 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d595d3f-9558-450d-93f6-564e23659cd5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 02:46:44,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:46:44,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:46:44,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:46:44,792 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:46:44,793 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:46:44,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:46:44,793 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:46:44,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:46:44,794 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:46:44,794 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:46:44,794 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:46:44,794 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:46:44,795 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:46:44,795 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:46:44,795 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:46:44,795 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:46:44,795 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:46:44,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:46:44,796 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:46:44,796 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 02:46:44,796 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:46:44,796 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:46:44,796 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:46:44,796 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:46:44,797 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:46:44,797 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:46:44,797 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:46:44,797 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:46:44,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:46:44,797 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:46:44,798 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:46:44,798 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:46:44,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:46:44,798 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:46:44,798 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:46:44,798 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:46:44,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:46:44,799 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:46:44,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:46:44,799 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:46:44,799 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:46:44,799 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:46:44,799 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:46:44,799 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_9d595d3f-9558-450d-93f6-564e23659cd5/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 -> faddac23864cc4e42f962ac43a8d0f59593853dbb1d55e3baabe0c76b2187dd4 [2024-11-28 02:46:45,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:46:45,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:46:45,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:46:45,140 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:46:45,141 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:46:45,142 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d595d3f-9558-450d-93f6-564e23659cd5/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c [2024-11-28 02:46:48,197 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d595d3f-9558-450d-93f6-564e23659cd5/bin/uautomizer-verify-aQ6SnzHsRB/data/58ca4bd61/0d48ffe1c61b4158a166aedab4b42885/FLAG236655d26 [2024-11-28 02:46:48,548 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:46:48,548 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d595d3f-9558-450d-93f6-564e23659cd5/sv-benchmarks/c/weaver/parallel-misc-1.wvr.c [2024-11-28 02:46:48,560 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d595d3f-9558-450d-93f6-564e23659cd5/bin/uautomizer-verify-aQ6SnzHsRB/data/58ca4bd61/0d48ffe1c61b4158a166aedab4b42885/FLAG236655d26 [2024-11-28 02:46:48,577 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d595d3f-9558-450d-93f6-564e23659cd5/bin/uautomizer-verify-aQ6SnzHsRB/data/58ca4bd61/0d48ffe1c61b4158a166aedab4b42885 [2024-11-28 02:46:48,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:46:48,581 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:46:48,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:46:48,584 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:46:48,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:46:48,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:46:48" (1/1) ... [2024-11-28 02:46:48,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2755fbb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:48, skipping insertion in model container [2024-11-28 02:46:48,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:46:48" (1/1) ... [2024-11-28 02:46:48,621 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:46:48,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:46:48,949 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:46:49,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:46:49,044 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:46:49,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:49 WrapperNode [2024-11-28 02:46:49,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:46:49,046 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:46:49,046 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:46:49,046 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:46:49,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:49" (1/1) ... [2024-11-28 02:46:49,085 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:49" (1/1) ... [2024-11-28 02:46:49,151 INFO L138 Inliner]: procedures = 22, calls = 32, calls flagged for inlining = 18, calls inlined = 32, statements flattened = 505 [2024-11-28 02:46:49,151 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:46:49,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:46:49,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:46:49,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:46:49,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:49" (1/1) ... [2024-11-28 02:46:49,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:49" (1/1) ... [2024-11-28 02:46:49,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:49" (1/1) ... [2024-11-28 02:46:49,178 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:49" (1/1) ... [2024-11-28 02:46:49,208 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:49" (1/1) ... [2024-11-28 02:46:49,213 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:49" (1/1) ... [2024-11-28 02:46:49,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:49" (1/1) ... [2024-11-28 02:46:49,228 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:49" (1/1) ... [2024-11-28 02:46:49,233 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:49" (1/1) ... [2024-11-28 02:46:49,241 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:46:49,246 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:46:49,246 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:46:49,246 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:46:49,247 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:49" (1/1) ... [2024-11-28 02:46:49,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:46:49,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d595d3f-9558-450d-93f6-564e23659cd5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:49,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d595d3f-9558-450d-93f6-564e23659cd5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:46:49,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d595d3f-9558-450d-93f6-564e23659cd5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:46:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:46:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 02:46:49,317 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 02:46:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 02:46:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 02:46:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 02:46:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 02:46:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 02:46:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:46:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:46:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 02:46:49,321 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 02:46:49,491 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:46:49,493 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:46:50,599 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:46:50,600 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:46:50,642 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:46:50,642 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-28 02:46:50,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:50 BoogieIcfgContainer [2024-11-28 02:46:50,643 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:46:50,645 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:46:50,645 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:46:50,655 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:46:50,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:46:48" (1/3) ... [2024-11-28 02:46:50,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78295764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:46:50, skipping insertion in model container [2024-11-28 02:46:50,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:49" (2/3) ... [2024-11-28 02:46:50,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78295764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:46:50, skipping insertion in model container [2024-11-28 02:46:50,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:50" (3/3) ... [2024-11-28 02:46:50,658 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-misc-1.wvr.c [2024-11-28 02:46:50,676 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:46:50,678 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-misc-1.wvr.c that has 3 procedures, 674 locations, 1 initial locations, 3 loop locations, and 73 error locations. [2024-11-28 02:46:50,678 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:46:50,859 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 02:46:50,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 680 places, 706 transitions, 1426 flow [2024-11-28 02:46:51,368 INFO L124 PetriNetUnfolderBase]: 33/704 cut-off events. [2024-11-28 02:46:51,370 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 02:46:51,397 INFO L83 FinitePrefix]: Finished finitePrefix Result has 713 conditions, 704 events. 33/704 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1856 event pairs, 0 based on Foata normal form. 0/598 useless extension candidates. Maximal degree in co-relation 457. Up to 2 conditions per place. [2024-11-28 02:46:51,397 INFO L82 GeneralOperation]: Start removeDead. Operand has 680 places, 706 transitions, 1426 flow [2024-11-28 02:46:51,420 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 662 places, 687 transitions, 1386 flow [2024-11-28 02:46:51,437 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:46:51,453 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;@529699b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:46:51,453 INFO L334 AbstractCegarLoop]: Starting to check reachability of 123 error locations. [2024-11-28 02:46:51,464 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:46:51,464 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-28 02:46:51,466 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:46:51,466 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:46:51,467 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] [2024-11-28 02:46:51,468 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:46:51,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:51,477 INFO L85 PathProgramCache]: Analyzing trace with hash -995228789, now seen corresponding path program 1 times [2024-11-28 02:46:51,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:51,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938859069] [2024-11-28 02:46:51,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:51,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:51,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:46:51,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:51,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938859069] [2024-11-28 02:46:51,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938859069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:51,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:51,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:46:51,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854958988] [2024-11-28 02:46:51,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:51,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:46:51,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:51,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:46:51,791 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:46:51,925 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 659 out of 706 [2024-11-28 02:46:51,935 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 662 places, 687 transitions, 1386 flow. Second operand has 3 states, 3 states have (on average 660.3333333333334) internal successors, (1981), 3 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:46:51,935 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:46:51,935 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 659 of 706 [2024-11-28 02:46:51,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:46:52,727 INFO L124 PetriNetUnfolderBase]: 28/1966 cut-off events. [2024-11-28 02:46:52,728 INFO L125 PetriNetUnfolderBase]: For 15/17 co-relation queries the response was YES. [2024-11-28 02:46:52,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2021 conditions, 1966 events. 28/1966 cut-off events. For 15/17 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 10205 event pairs, 6 based on Foata normal form. 82/1738 useless extension candidates. Maximal degree in co-relation 1769. Up to 32 conditions per place. [2024-11-28 02:46:52,757 INFO L140 encePairwiseOnDemand]: 681/706 looper letters, 19 selfloop transitions, 2 changer transitions 3/664 dead transitions. [2024-11-28 02:46:52,758 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 663 places, 664 transitions, 1382 flow [2024-11-28 02:46:52,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:46:52,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:46:52,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2021 transitions. [2024-11-28 02:46:52,794 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9542020774315392 [2024-11-28 02:46:52,796 INFO L175 Difference]: Start difference. First operand has 662 places, 687 transitions, 1386 flow. Second operand 3 states and 2021 transitions. [2024-11-28 02:46:52,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 663 places, 664 transitions, 1382 flow [2024-11-28 02:46:52,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 659 places, 664 transitions, 1374 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 02:46:52,834 INFO L231 Difference]: Finished difference. Result has 659 places, 661 transitions, 1330 flow [2024-11-28 02:46:52,839 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1332, PETRI_DIFFERENCE_MINUEND_PLACES=657, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=664, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=662, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1330, PETRI_PLACES=659, PETRI_TRANSITIONS=661} [2024-11-28 02:46:52,844 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -3 predicate places. [2024-11-28 02:46:52,847 INFO L471 AbstractCegarLoop]: Abstraction has has 659 places, 661 transitions, 1330 flow [2024-11-28 02:46:52,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 660.3333333333334) internal successors, (1981), 3 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:46:52,849 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:46:52,849 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] [2024-11-28 02:46:52,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:46:52,850 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:46:52,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:52,852 INFO L85 PathProgramCache]: Analyzing trace with hash -502884461, now seen corresponding path program 1 times [2024-11-28 02:46:52,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:52,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989394628] [2024-11-28 02:46:52,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:52,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:52,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:46:52,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:52,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989394628] [2024-11-28 02:46:52,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989394628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:52,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:52,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:46:52,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097264518] [2024-11-28 02:46:52,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:52,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:46:52,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:52,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:46:52,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:46:53,065 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 664 out of 706 [2024-11-28 02:46:53,069 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 659 places, 661 transitions, 1330 flow. Second operand has 3 states, 3 states have (on average 665.3333333333334) internal successors, (1996), 3 states have internal predecessors, (1996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:46:53,069 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:46:53,069 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 664 of 706 [2024-11-28 02:46:53,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:46:53,345 INFO L124 PetriNetUnfolderBase]: 19/880 cut-off events. [2024-11-28 02:46:53,346 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-28 02:46:53,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 917 conditions, 880 events. 19/880 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 3034 event pairs, 6 based on Foata normal form. 0/748 useless extension candidates. Maximal degree in co-relation 883. Up to 29 conditions per place. [2024-11-28 02:46:53,364 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 14 selfloop transitions, 2 changer transitions 0/660 dead transitions. [2024-11-28 02:46:53,364 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 657 places, 660 transitions, 1360 flow [2024-11-28 02:46:53,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:46:53,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:46:53,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2009 transitions. [2024-11-28 02:46:53,374 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9485363550519358 [2024-11-28 02:46:53,377 INFO L175 Difference]: Start difference. First operand has 659 places, 661 transitions, 1330 flow. Second operand 3 states and 2009 transitions. [2024-11-28 02:46:53,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 657 places, 660 transitions, 1360 flow [2024-11-28 02:46:53,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 655 places, 660 transitions, 1356 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:46:53,390 INFO L231 Difference]: Finished difference. Result has 655 places, 660 transitions, 1328 flow [2024-11-28 02:46:53,391 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1324, PETRI_DIFFERENCE_MINUEND_PLACES=653, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=660, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=658, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1328, PETRI_PLACES=655, PETRI_TRANSITIONS=660} [2024-11-28 02:46:53,392 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -7 predicate places. [2024-11-28 02:46:53,392 INFO L471 AbstractCegarLoop]: Abstraction has has 655 places, 660 transitions, 1328 flow [2024-11-28 02:46:53,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 665.3333333333334) internal successors, (1996), 3 states have internal predecessors, (1996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:46:53,394 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:46:53,394 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] [2024-11-28 02:46:53,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:46:53,394 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:46:53,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:53,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1432274543, now seen corresponding path program 1 times [2024-11-28 02:46:53,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:53,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493411655] [2024-11-28 02:46:53,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:53,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:53,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:46:53,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:53,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493411655] [2024-11-28 02:46:53,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493411655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:53,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:53,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:46:53,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003263574] [2024-11-28 02:46:53,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:53,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:46:53,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:53,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:46:53,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:46:53,493 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 670 out of 706 [2024-11-28 02:46:53,499 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 655 places, 660 transitions, 1328 flow. Second operand has 3 states, 3 states have (on average 671.3333333333334) internal successors, (2014), 3 states have internal predecessors, (2014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:46:53,500 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:46:53,500 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 670 of 706 [2024-11-28 02:46:53,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:46:53,735 INFO L124 PetriNetUnfolderBase]: 13/876 cut-off events. [2024-11-28 02:46:53,735 INFO L125 PetriNetUnfolderBase]: For 1/2 co-relation queries the response was YES. [2024-11-28 02:46:53,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 896 conditions, 876 events. 13/876 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2711 event pairs, 1 based on Foata normal form. 0/746 useless extension candidates. Maximal degree in co-relation 854. Up to 11 conditions per place. [2024-11-28 02:46:53,753 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 8 selfloop transitions, 2 changer transitions 0/659 dead transitions. [2024-11-28 02:46:53,753 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 656 places, 659 transitions, 1346 flow [2024-11-28 02:46:53,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:46:53,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:46:53,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2021 transitions. [2024-11-28 02:46:53,759 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9542020774315392 [2024-11-28 02:46:53,759 INFO L175 Difference]: Start difference. First operand has 655 places, 660 transitions, 1328 flow. Second operand 3 states and 2021 transitions. [2024-11-28 02:46:53,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 656 places, 659 transitions, 1346 flow [2024-11-28 02:46:53,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 654 places, 659 transitions, 1342 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:46:53,771 INFO L231 Difference]: Finished difference. Result has 654 places, 659 transitions, 1326 flow [2024-11-28 02:46:53,772 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1322, PETRI_DIFFERENCE_MINUEND_PLACES=652, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=659, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=657, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1326, PETRI_PLACES=654, PETRI_TRANSITIONS=659} [2024-11-28 02:46:53,773 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -8 predicate places. [2024-11-28 02:46:53,773 INFO L471 AbstractCegarLoop]: Abstraction has has 654 places, 659 transitions, 1326 flow [2024-11-28 02:46:53,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 671.3333333333334) internal successors, (2014), 3 states have internal predecessors, (2014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:46:53,775 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:46:53,775 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] [2024-11-28 02:46:53,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:46:53,775 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:46:53,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:53,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1433181968, now seen corresponding path program 1 times [2024-11-28 02:46:53,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:53,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009510243] [2024-11-28 02:46:53,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:53,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:53,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:46:53,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:53,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009510243] [2024-11-28 02:46:53,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009510243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:53,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:53,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:46:53,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868997059] [2024-11-28 02:46:53,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:53,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:46:53,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:53,832 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:46:53,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:46:53,852 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 670 out of 706 [2024-11-28 02:46:53,855 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 654 places, 659 transitions, 1326 flow. Second operand has 3 states, 3 states have (on average 671.3333333333334) internal successors, (2014), 3 states have internal predecessors, (2014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:46:53,855 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:46:53,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 670 of 706 [2024-11-28 02:46:53,856 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:46:54,054 INFO L124 PetriNetUnfolderBase]: 11/660 cut-off events. [2024-11-28 02:46:54,054 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-11-28 02:46:54,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 679 conditions, 660 events. 11/660 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1827 event pairs, 1 based on Foata normal form. 0/566 useless extension candidates. Maximal degree in co-relation 629. Up to 11 conditions per place. [2024-11-28 02:46:54,069 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 8 selfloop transitions, 2 changer transitions 0/658 dead transitions. [2024-11-28 02:46:54,069 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 655 places, 658 transitions, 1344 flow [2024-11-28 02:46:54,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:46:54,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:46:54,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2021 transitions. [2024-11-28 02:46:54,105 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9542020774315392 [2024-11-28 02:46:54,105 INFO L175 Difference]: Start difference. First operand has 654 places, 659 transitions, 1326 flow. Second operand 3 states and 2021 transitions. [2024-11-28 02:46:54,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 655 places, 658 transitions, 1344 flow [2024-11-28 02:46:54,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 653 places, 658 transitions, 1340 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:46:54,118 INFO L231 Difference]: Finished difference. Result has 653 places, 658 transitions, 1324 flow [2024-11-28 02:46:54,122 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1320, PETRI_DIFFERENCE_MINUEND_PLACES=651, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=658, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=656, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1324, PETRI_PLACES=653, PETRI_TRANSITIONS=658} [2024-11-28 02:46:54,123 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -9 predicate places. [2024-11-28 02:46:54,124 INFO L471 AbstractCegarLoop]: Abstraction has has 653 places, 658 transitions, 1324 flow [2024-11-28 02:46:54,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 671.3333333333334) internal successors, (2014), 3 states have internal predecessors, (2014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:46:54,126 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:46:54,126 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] [2024-11-28 02:46:54,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:46:54,127 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:46:54,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:54,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1401206455, now seen corresponding path program 1 times [2024-11-28 02:46:54,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:54,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720970336] [2024-11-28 02:46:54,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:54,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:54,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:46:54,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:54,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720970336] [2024-11-28 02:46:54,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720970336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:54,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:54,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:46:54,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765020222] [2024-11-28 02:46:54,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:54,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:46:54,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:54,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:46:54,250 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:46:54,319 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 665 out of 706 [2024-11-28 02:46:54,322 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 653 places, 658 transitions, 1324 flow. Second operand has 3 states, 3 states have (on average 666.3333333333334) internal successors, (1999), 3 states have internal predecessors, (1999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:46:54,322 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:46:54,322 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 665 of 706 [2024-11-28 02:46:54,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:46:54,695 INFO L124 PetriNetUnfolderBase]: 22/1525 cut-off events. [2024-11-28 02:46:54,695 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-11-28 02:46:54,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1559 conditions, 1525 events. 22/1525 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 7070 event pairs, 4 based on Foata normal form. 0/1292 useless extension candidates. Maximal degree in co-relation 1501. Up to 22 conditions per place. [2024-11-28 02:46:54,721 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 13 selfloop transitions, 2 changer transitions 0/657 dead transitions. [2024-11-28 02:46:54,721 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 654 places, 657 transitions, 1352 flow [2024-11-28 02:46:54,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:46:54,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:46:54,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2011 transitions. [2024-11-28 02:46:54,726 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.949480642115203 [2024-11-28 02:46:54,727 INFO L175 Difference]: Start difference. First operand has 653 places, 658 transitions, 1324 flow. Second operand 3 states and 2011 transitions. [2024-11-28 02:46:54,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 654 places, 657 transitions, 1352 flow [2024-11-28 02:46:54,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 652 places, 657 transitions, 1348 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:46:54,738 INFO L231 Difference]: Finished difference. Result has 652 places, 657 transitions, 1322 flow [2024-11-28 02:46:54,739 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1318, PETRI_DIFFERENCE_MINUEND_PLACES=650, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=657, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=655, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1322, PETRI_PLACES=652, PETRI_TRANSITIONS=657} [2024-11-28 02:46:54,741 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -10 predicate places. [2024-11-28 02:46:54,741 INFO L471 AbstractCegarLoop]: Abstraction has has 652 places, 657 transitions, 1322 flow [2024-11-28 02:46:54,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 666.3333333333334) internal successors, (1999), 3 states have internal predecessors, (1999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:46:54,744 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:46:54,744 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] [2024-11-28 02:46:54,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:46:54,744 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:46:54,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:54,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1470904967, now seen corresponding path program 1 times [2024-11-28 02:46:54,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:54,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212306091] [2024-11-28 02:46:54,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:54,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:54,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:54,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:46:54,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:54,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212306091] [2024-11-28 02:46:54,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212306091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:54,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:54,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:46:54,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766249415] [2024-11-28 02:46:54,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:54,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:46:54,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:54,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:46:54,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:46:54,910 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 665 out of 706 [2024-11-28 02:46:54,913 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 652 places, 657 transitions, 1322 flow. Second operand has 3 states, 3 states have (on average 666.3333333333334) internal successors, (1999), 3 states have internal predecessors, (1999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:46:54,913 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:46:54,914 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 665 of 706 [2024-11-28 02:46:54,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:46:55,099 INFO L124 PetriNetUnfolderBase]: 14/701 cut-off events. [2024-11-28 02:46:55,099 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-28 02:46:55,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 731 conditions, 701 events. 14/701 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 2225 event pairs, 4 based on Foata normal form. 0/602 useless extension candidates. Maximal degree in co-relation 665. Up to 22 conditions per place. [2024-11-28 02:46:55,114 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 13 selfloop transitions, 2 changer transitions 0/656 dead transitions. [2024-11-28 02:46:55,115 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 653 places, 656 transitions, 1350 flow [2024-11-28 02:46:55,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:46:55,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:46:55,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2011 transitions. [2024-11-28 02:46:55,120 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.949480642115203 [2024-11-28 02:46:55,121 INFO L175 Difference]: Start difference. First operand has 652 places, 657 transitions, 1322 flow. Second operand 3 states and 2011 transitions. [2024-11-28 02:46:55,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 653 places, 656 transitions, 1350 flow [2024-11-28 02:46:55,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 651 places, 656 transitions, 1346 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:46:55,133 INFO L231 Difference]: Finished difference. Result has 651 places, 656 transitions, 1320 flow [2024-11-28 02:46:55,134 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1316, PETRI_DIFFERENCE_MINUEND_PLACES=649, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=656, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=654, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1320, PETRI_PLACES=651, PETRI_TRANSITIONS=656} [2024-11-28 02:46:55,135 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -11 predicate places. [2024-11-28 02:46:55,135 INFO L471 AbstractCegarLoop]: Abstraction has has 651 places, 656 transitions, 1320 flow [2024-11-28 02:46:55,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 666.3333333333334) internal successors, (1999), 3 states have internal predecessors, (1999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:46:55,137 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:46:55,137 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] [2024-11-28 02:46:55,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:46:55,138 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:46:55,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:55,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1567235851, now seen corresponding path program 1 times [2024-11-28 02:46:55,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:55,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990391274] [2024-11-28 02:46:55,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:55,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:55,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:46:55,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:55,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990391274] [2024-11-28 02:46:55,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990391274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:55,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:55,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:46:55,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010720422] [2024-11-28 02:46:55,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:55,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:46:55,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:55,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:46:55,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:46:55,286 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 664 out of 706 [2024-11-28 02:46:55,289 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 651 places, 656 transitions, 1320 flow. Second operand has 3 states, 3 states have (on average 665.3333333333334) internal successors, (1996), 3 states have internal predecessors, (1996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:46:55,289 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:46:55,289 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 664 of 706 [2024-11-28 02:46:55,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:46:55,508 INFO L124 PetriNetUnfolderBase]: 18/874 cut-off events. [2024-11-28 02:46:55,508 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 02:46:55,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 916 conditions, 874 events. 18/874 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 3333 event pairs, 6 based on Foata normal form. 0/748 useless extension candidates. Maximal degree in co-relation 842. Up to 28 conditions per place. [2024-11-28 02:46:55,524 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 14 selfloop transitions, 2 changer transitions 0/655 dead transitions. [2024-11-28 02:46:55,525 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 652 places, 655 transitions, 1350 flow [2024-11-28 02:46:55,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:46:55,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:46:55,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2009 transitions. [2024-11-28 02:46:55,530 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9485363550519358 [2024-11-28 02:46:55,530 INFO L175 Difference]: Start difference. First operand has 651 places, 656 transitions, 1320 flow. Second operand 3 states and 2009 transitions. [2024-11-28 02:46:55,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 652 places, 655 transitions, 1350 flow [2024-11-28 02:46:55,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 650 places, 655 transitions, 1346 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:46:55,542 INFO L231 Difference]: Finished difference. Result has 650 places, 655 transitions, 1318 flow [2024-11-28 02:46:55,543 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1314, PETRI_DIFFERENCE_MINUEND_PLACES=648, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=655, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=653, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1318, PETRI_PLACES=650, PETRI_TRANSITIONS=655} [2024-11-28 02:46:55,545 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -12 predicate places. [2024-11-28 02:46:55,545 INFO L471 AbstractCegarLoop]: Abstraction has has 650 places, 655 transitions, 1318 flow [2024-11-28 02:46:55,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 665.3333333333334) internal successors, (1996), 3 states have internal predecessors, (1996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:46:55,547 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:46:55,547 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] [2024-11-28 02:46:55,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:46:55,547 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:46:55,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:55,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1630938333, now seen corresponding path program 1 times [2024-11-28 02:46:55,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:55,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868317547] [2024-11-28 02:46:55,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:55,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:55,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:46:55,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:55,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868317547] [2024-11-28 02:46:55,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868317547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:55,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:55,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:46:55,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314017917] [2024-11-28 02:46:55,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:55,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:46:55,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:55,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:46:55,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:46:55,725 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 664 out of 706 [2024-11-28 02:46:55,728 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 650 places, 655 transitions, 1318 flow. Second operand has 3 states, 3 states have (on average 665.3333333333334) internal successors, (1996), 3 states have internal predecessors, (1996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:46:55,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:46:55,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 664 of 706 [2024-11-28 02:46:55,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:46:55,934 INFO L124 PetriNetUnfolderBase]: 18/873 cut-off events. [2024-11-28 02:46:55,935 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-28 02:46:55,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 909 conditions, 873 events. 18/873 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 3096 event pairs, 6 based on Foata normal form. 0/747 useless extension candidates. Maximal degree in co-relation 827. Up to 28 conditions per place. [2024-11-28 02:46:55,949 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 14 selfloop transitions, 2 changer transitions 0/654 dead transitions. [2024-11-28 02:46:55,949 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 651 places, 654 transitions, 1348 flow [2024-11-28 02:46:55,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:46:55,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:46:55,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2009 transitions. [2024-11-28 02:46:55,954 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9485363550519358 [2024-11-28 02:46:55,955 INFO L175 Difference]: Start difference. First operand has 650 places, 655 transitions, 1318 flow. Second operand 3 states and 2009 transitions. [2024-11-28 02:46:55,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 651 places, 654 transitions, 1348 flow [2024-11-28 02:46:55,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 649 places, 654 transitions, 1344 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:46:55,967 INFO L231 Difference]: Finished difference. Result has 649 places, 654 transitions, 1316 flow [2024-11-28 02:46:55,968 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1312, PETRI_DIFFERENCE_MINUEND_PLACES=647, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=654, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=652, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1316, PETRI_PLACES=649, PETRI_TRANSITIONS=654} [2024-11-28 02:46:55,970 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -13 predicate places. [2024-11-28 02:46:55,971 INFO L471 AbstractCegarLoop]: Abstraction has has 649 places, 654 transitions, 1316 flow [2024-11-28 02:46:55,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 665.3333333333334) internal successors, (1996), 3 states have internal predecessors, (1996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:46:55,974 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:46:55,975 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] [2024-11-28 02:46:55,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:46:55,975 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:46:55,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:55,977 INFO L85 PathProgramCache]: Analyzing trace with hash -147412057, now seen corresponding path program 1 times [2024-11-28 02:46:55,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:55,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644732325] [2024-11-28 02:46:55,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:55,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:56,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:46:56,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:56,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644732325] [2024-11-28 02:46:56,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644732325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:56,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:56,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:46:56,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702861307] [2024-11-28 02:46:56,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:56,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:46:56,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:56,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:46:56,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:46:56,124 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 668 out of 706 [2024-11-28 02:46:56,127 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 649 places, 654 transitions, 1316 flow. Second operand has 3 states, 3 states have (on average 669.3333333333334) internal successors, (2008), 3 states have internal predecessors, (2008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:46:56,127 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:46:56,127 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 668 of 706 [2024-11-28 02:46:56,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:46:56,369 INFO L124 PetriNetUnfolderBase]: 17/1083 cut-off events. [2024-11-28 02:46:56,369 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 02:46:56,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1111 conditions, 1083 events. 17/1083 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 4834 event pairs, 3 based on Foata normal form. 0/925 useless extension candidates. Maximal degree in co-relation 1021. Up to 19 conditions per place. [2024-11-28 02:46:56,385 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 10 selfloop transitions, 2 changer transitions 0/653 dead transitions. [2024-11-28 02:46:56,385 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 650 places, 653 transitions, 1338 flow [2024-11-28 02:46:56,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:46:56,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:46:56,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2017 transitions. [2024-11-28 02:46:56,390 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9523135033050047 [2024-11-28 02:46:56,391 INFO L175 Difference]: Start difference. First operand has 649 places, 654 transitions, 1316 flow. Second operand 3 states and 2017 transitions. [2024-11-28 02:46:56,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 650 places, 653 transitions, 1338 flow [2024-11-28 02:46:56,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 648 places, 653 transitions, 1334 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:46:56,402 INFO L231 Difference]: Finished difference. Result has 648 places, 653 transitions, 1314 flow [2024-11-28 02:46:56,403 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1310, PETRI_DIFFERENCE_MINUEND_PLACES=646, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=653, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=651, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1314, PETRI_PLACES=648, PETRI_TRANSITIONS=653} [2024-11-28 02:46:56,404 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -14 predicate places. [2024-11-28 02:46:56,404 INFO L471 AbstractCegarLoop]: Abstraction has has 648 places, 653 transitions, 1314 flow [2024-11-28 02:46:56,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 669.3333333333334) internal successors, (2008), 3 states have internal predecessors, (2008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:46:56,406 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:46:56,406 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] [2024-11-28 02:46:56,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:46:56,407 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:46:56,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:56,408 INFO L85 PathProgramCache]: Analyzing trace with hash -519269535, now seen corresponding path program 1 times [2024-11-28 02:46:56,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:56,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034387144] [2024-11-28 02:46:56,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:56,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:56,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:46:56,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:56,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034387144] [2024-11-28 02:46:56,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034387144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:56,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:56,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:46:56,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986942905] [2024-11-28 02:46:56,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:56,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:46:56,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:56,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:46:56,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:46:56,516 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 668 out of 706 [2024-11-28 02:46:56,519 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 648 places, 653 transitions, 1314 flow. Second operand has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:46:56,520 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:46:56,520 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 668 of 706 [2024-11-28 02:46:56,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:46:56,853 INFO L124 PetriNetUnfolderBase]: 29/1717 cut-off events. [2024-11-28 02:46:56,853 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-28 02:46:56,866 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1759 conditions, 1717 events. 29/1717 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 9711 event pairs, 8 based on Foata normal form. 0/1463 useless extension candidates. Maximal degree in co-relation 1661. Up to 32 conditions per place. [2024-11-28 02:46:56,874 INFO L140 encePairwiseOnDemand]: 702/706 looper letters, 10 selfloop transitions, 1 changer transitions 0/650 dead transitions. [2024-11-28 02:46:56,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 647 places, 650 transitions, 1330 flow [2024-11-28 02:46:56,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:46:56,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:46:56,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2018 transitions. [2024-11-28 02:46:56,879 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9527856468366384 [2024-11-28 02:46:56,879 INFO L175 Difference]: Start difference. First operand has 648 places, 653 transitions, 1314 flow. Second operand 3 states and 2018 transitions. [2024-11-28 02:46:56,880 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 647 places, 650 transitions, 1330 flow [2024-11-28 02:46:56,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 645 places, 650 transitions, 1326 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:46:56,891 INFO L231 Difference]: Finished difference. Result has 645 places, 650 transitions, 1306 flow [2024-11-28 02:46:56,892 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1304, PETRI_DIFFERENCE_MINUEND_PLACES=643, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=650, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=649, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1306, PETRI_PLACES=645, PETRI_TRANSITIONS=650} [2024-11-28 02:46:56,894 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -17 predicate places. [2024-11-28 02:46:56,894 INFO L471 AbstractCegarLoop]: Abstraction has has 645 places, 650 transitions, 1306 flow [2024-11-28 02:46:56,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:46:56,896 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:46:56,896 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:56,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:46:56,896 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:46:56,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:56,898 INFO L85 PathProgramCache]: Analyzing trace with hash 261871688, now seen corresponding path program 1 times [2024-11-28 02:46:56,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:56,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138500312] [2024-11-28 02:46:56,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:56,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:57,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:46:57,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:57,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138500312] [2024-11-28 02:46:57,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138500312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:57,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:57,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:46:57,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913407365] [2024-11-28 02:46:57,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:57,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:46:57,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:57,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:46:57,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:46:57,088 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 665 out of 706 [2024-11-28 02:46:57,090 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 645 places, 650 transitions, 1306 flow. Second operand has 3 states, 3 states have (on average 666.3333333333334) internal successors, (1999), 3 states have internal predecessors, (1999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:46:57,090 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:46:57,091 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 665 of 706 [2024-11-28 02:46:57,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:46:57,482 INFO L124 PetriNetUnfolderBase]: 34/1522 cut-off events. [2024-11-28 02:46:57,482 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-11-28 02:46:57,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1578 conditions, 1522 events. 34/1522 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7642 event pairs, 15 based on Foata normal form. 0/1298 useless extension candidates. Maximal degree in co-relation 1480. Up to 46 conditions per place. [2024-11-28 02:46:57,500 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 13 selfloop transitions, 2 changer transitions 0/649 dead transitions. [2024-11-28 02:46:57,500 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 646 places, 649 transitions, 1334 flow [2024-11-28 02:46:57,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:46:57,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:46:57,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2011 transitions. [2024-11-28 02:46:57,506 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.949480642115203 [2024-11-28 02:46:57,509 INFO L175 Difference]: Start difference. First operand has 645 places, 650 transitions, 1306 flow. Second operand 3 states and 2011 transitions. [2024-11-28 02:46:57,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 646 places, 649 transitions, 1334 flow [2024-11-28 02:46:57,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 645 places, 649 transitions, 1333 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:46:57,523 INFO L231 Difference]: Finished difference. Result has 645 places, 649 transitions, 1307 flow [2024-11-28 02:46:57,524 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1303, PETRI_DIFFERENCE_MINUEND_PLACES=643, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=649, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=647, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1307, PETRI_PLACES=645, PETRI_TRANSITIONS=649} [2024-11-28 02:46:57,525 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -17 predicate places. [2024-11-28 02:46:57,525 INFO L471 AbstractCegarLoop]: Abstraction has has 645 places, 649 transitions, 1307 flow [2024-11-28 02:46:57,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 666.3333333333334) internal successors, (1999), 3 states have internal predecessors, (1999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:46:57,527 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:46:57,528 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:57,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 02:46:57,529 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:46:57,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:57,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1202329372, now seen corresponding path program 1 times [2024-11-28 02:46:57,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:57,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664721801] [2024-11-28 02:46:57,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:57,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:58,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:46:58,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:58,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664721801] [2024-11-28 02:46:58,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664721801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:58,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:58,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:46:58,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26727246] [2024-11-28 02:46:58,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:58,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:46:58,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:58,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:46:58,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:46:58,795 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 640 out of 706 [2024-11-28 02:46:58,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 645 places, 649 transitions, 1307 flow. Second operand has 6 states, 6 states have (on average 641.5) internal successors, (3849), 6 states have internal predecessors, (3849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:46:58,801 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:46:58,801 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 640 of 706 [2024-11-28 02:46:58,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:46:59,888 INFO L124 PetriNetUnfolderBase]: 244/4162 cut-off events. [2024-11-28 02:46:59,888 INFO L125 PetriNetUnfolderBase]: For 30/31 co-relation queries the response was YES. [2024-11-28 02:46:59,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4607 conditions, 4162 events. 244/4162 cut-off events. For 30/31 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 32083 event pairs, 168 based on Foata normal form. 0/3508 useless extension candidates. Maximal degree in co-relation 4510. Up to 421 conditions per place. [2024-11-28 02:46:59,923 INFO L140 encePairwiseOnDemand]: 700/706 looper letters, 36 selfloop transitions, 5 changer transitions 0/648 dead transitions. [2024-11-28 02:46:59,924 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 649 places, 648 transitions, 1387 flow [2024-11-28 02:46:59,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:46:59,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:46:59,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3882 transitions. [2024-11-28 02:46:59,934 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9164305949008499 [2024-11-28 02:46:59,934 INFO L175 Difference]: Start difference. First operand has 645 places, 649 transitions, 1307 flow. Second operand 6 states and 3882 transitions. [2024-11-28 02:46:59,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 649 places, 648 transitions, 1387 flow [2024-11-28 02:46:59,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 647 places, 648 transitions, 1383 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:46:59,944 INFO L231 Difference]: Finished difference. Result has 647 places, 648 transitions, 1311 flow [2024-11-28 02:46:59,945 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1301, PETRI_DIFFERENCE_MINUEND_PLACES=642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=648, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=643, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1311, PETRI_PLACES=647, PETRI_TRANSITIONS=648} [2024-11-28 02:46:59,947 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -15 predicate places. [2024-11-28 02:46:59,948 INFO L471 AbstractCegarLoop]: Abstraction has has 647 places, 648 transitions, 1311 flow [2024-11-28 02:46:59,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 641.5) internal successors, (3849), 6 states have internal predecessors, (3849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:46:59,950 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:46:59,950 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] [2024-11-28 02:46:59,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 02:46:59,951 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:46:59,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:59,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1263409251, now seen corresponding path program 1 times [2024-11-28 02:46:59,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:59,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11022708] [2024-11-28 02:46:59,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:59,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:00,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:00,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:00,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11022708] [2024-11-28 02:47:00,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11022708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:00,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:00,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:47:00,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095808652] [2024-11-28 02:47:00,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:00,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:47:00,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:00,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:47:00,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:47:00,103 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 645 out of 706 [2024-11-28 02:47:00,105 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 647 places, 648 transitions, 1311 flow. Second operand has 3 states, 3 states have (on average 646.0) internal successors, (1938), 3 states have internal predecessors, (1938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:00,106 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:00,106 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 645 of 706 [2024-11-28 02:47:00,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:00,400 INFO L124 PetriNetUnfolderBase]: 28/1297 cut-off events. [2024-11-28 02:47:00,400 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-28 02:47:00,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1369 conditions, 1297 events. 28/1297 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 6694 event pairs, 8 based on Foata normal form. 0/1123 useless extension candidates. Maximal degree in co-relation 1351. Up to 44 conditions per place. [2024-11-28 02:47:00,420 INFO L140 encePairwiseOnDemand]: 691/706 looper letters, 25 selfloop transitions, 5 changer transitions 0/641 dead transitions. [2024-11-28 02:47:00,421 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 639 places, 641 transitions, 1358 flow [2024-11-28 02:47:00,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:00,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:47:00,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1975 transitions. [2024-11-28 02:47:00,426 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9324834749763928 [2024-11-28 02:47:00,426 INFO L175 Difference]: Start difference. First operand has 647 places, 648 transitions, 1311 flow. Second operand 3 states and 1975 transitions. [2024-11-28 02:47:00,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 639 places, 641 transitions, 1358 flow [2024-11-28 02:47:00,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 634 places, 641 transitions, 1348 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 02:47:00,438 INFO L231 Difference]: Finished difference. Result has 635 places, 640 transitions, 1304 flow [2024-11-28 02:47:00,440 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1281, PETRI_DIFFERENCE_MINUEND_PLACES=632, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=638, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=633, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1304, PETRI_PLACES=635, PETRI_TRANSITIONS=640} [2024-11-28 02:47:00,440 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -27 predicate places. [2024-11-28 02:47:00,441 INFO L471 AbstractCegarLoop]: Abstraction has has 635 places, 640 transitions, 1304 flow [2024-11-28 02:47:00,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 646.0) internal successors, (1938), 3 states have internal predecessors, (1938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:00,442 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:00,442 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:00,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 02:47:00,443 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:47:00,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:00,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1339497793, now seen corresponding path program 1 times [2024-11-28 02:47:00,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:00,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130821208] [2024-11-28 02:47:00,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:00,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:00,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:00,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:00,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130821208] [2024-11-28 02:47:00,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130821208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:00,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:00,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:47:00,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971143409] [2024-11-28 02:47:00,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:00,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:47:00,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:00,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:47:00,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:47:00,562 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 660 out of 706 [2024-11-28 02:47:00,564 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 635 places, 640 transitions, 1304 flow. Second operand has 3 states, 3 states have (on average 661.0) internal successors, (1983), 3 states have internal predecessors, (1983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:00,564 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:00,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 660 of 706 [2024-11-28 02:47:00,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:00,836 INFO L124 PetriNetUnfolderBase]: 25/876 cut-off events. [2024-11-28 02:47:00,836 INFO L125 PetriNetUnfolderBase]: For 14/15 co-relation queries the response was YES. [2024-11-28 02:47:00,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 933 conditions, 876 events. 25/876 cut-off events. For 14/15 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3212 event pairs, 8 based on Foata normal form. 0/768 useless extension candidates. Maximal degree in co-relation 835. Up to 34 conditions per place. [2024-11-28 02:47:00,848 INFO L140 encePairwiseOnDemand]: 696/706 looper letters, 15 selfloop transitions, 5 changer transitions 0/638 dead transitions. [2024-11-28 02:47:00,848 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 632 places, 638 transitions, 1341 flow [2024-11-28 02:47:00,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:00,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:47:00,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2005 transitions. [2024-11-28 02:47:00,853 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9466477809254014 [2024-11-28 02:47:00,853 INFO L175 Difference]: Start difference. First operand has 635 places, 640 transitions, 1304 flow. Second operand 3 states and 2005 transitions. [2024-11-28 02:47:00,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 632 places, 638 transitions, 1341 flow [2024-11-28 02:47:00,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 631 places, 638 transitions, 1336 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:47:00,864 INFO L231 Difference]: Finished difference. Result has 632 places, 637 transitions, 1312 flow [2024-11-28 02:47:00,865 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1289, PETRI_DIFFERENCE_MINUEND_PLACES=629, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=635, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=630, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1312, PETRI_PLACES=632, PETRI_TRANSITIONS=637} [2024-11-28 02:47:00,865 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -30 predicate places. [2024-11-28 02:47:00,866 INFO L471 AbstractCegarLoop]: Abstraction has has 632 places, 637 transitions, 1312 flow [2024-11-28 02:47:00,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 661.0) internal successors, (1983), 3 states have internal predecessors, (1983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:00,867 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:00,867 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:00,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 02:47:00,868 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:47:00,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:00,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1136498297, now seen corresponding path program 1 times [2024-11-28 02:47:00,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:00,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134933014] [2024-11-28 02:47:00,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:00,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:00,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:00,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:00,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134933014] [2024-11-28 02:47:00,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134933014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:00,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:00,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:47:00,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109883602] [2024-11-28 02:47:00,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:00,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:47:00,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:00,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:47:00,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:47:01,001 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 663 out of 706 [2024-11-28 02:47:01,004 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 632 places, 637 transitions, 1312 flow. Second operand has 3 states, 3 states have (on average 664.0) internal successors, (1992), 3 states have internal predecessors, (1992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:01,004 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:01,004 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 663 of 706 [2024-11-28 02:47:01,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:01,381 INFO L124 PetriNetUnfolderBase]: 40/1573 cut-off events. [2024-11-28 02:47:01,382 INFO L125 PetriNetUnfolderBase]: For 10/11 co-relation queries the response was YES. [2024-11-28 02:47:01,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1677 conditions, 1573 events. 40/1573 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 7260 event pairs, 2 based on Foata normal form. 0/1371 useless extension candidates. Maximal degree in co-relation 1578. Up to 30 conditions per place. [2024-11-28 02:47:01,411 INFO L140 encePairwiseOnDemand]: 696/706 looper letters, 13 selfloop transitions, 6 changer transitions 0/637 dead transitions. [2024-11-28 02:47:01,411 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 630 places, 637 transitions, 1352 flow [2024-11-28 02:47:01,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:01,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:47:01,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2012 transitions. [2024-11-28 02:47:01,416 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9499527856468366 [2024-11-28 02:47:01,416 INFO L175 Difference]: Start difference. First operand has 632 places, 637 transitions, 1312 flow. Second operand 3 states and 2012 transitions. [2024-11-28 02:47:01,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 630 places, 637 transitions, 1352 flow [2024-11-28 02:47:01,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 629 places, 637 transitions, 1347 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:47:01,429 INFO L231 Difference]: Finished difference. Result has 630 places, 635 transitions, 1325 flow [2024-11-28 02:47:01,430 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1299, PETRI_DIFFERENCE_MINUEND_PLACES=627, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=633, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=627, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1325, PETRI_PLACES=630, PETRI_TRANSITIONS=635} [2024-11-28 02:47:01,431 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -32 predicate places. [2024-11-28 02:47:01,432 INFO L471 AbstractCegarLoop]: Abstraction has has 630 places, 635 transitions, 1325 flow [2024-11-28 02:47:01,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 664.0) internal successors, (1992), 3 states have internal predecessors, (1992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:01,434 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:01,435 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] [2024-11-28 02:47:01,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 02:47:01,435 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:47:01,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:01,436 INFO L85 PathProgramCache]: Analyzing trace with hash -74345032, now seen corresponding path program 1 times [2024-11-28 02:47:01,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:01,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480240629] [2024-11-28 02:47:01,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:01,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:01,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:01,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:01,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480240629] [2024-11-28 02:47:01,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480240629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:01,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:01,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:47:01,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772025012] [2024-11-28 02:47:01,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:01,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:47:01,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:01,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:47:01,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:47:01,546 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 663 out of 706 [2024-11-28 02:47:01,549 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 630 places, 635 transitions, 1325 flow. Second operand has 3 states, 3 states have (on average 664.0) internal successors, (1992), 3 states have internal predecessors, (1992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:01,549 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:01,549 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 663 of 706 [2024-11-28 02:47:01,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:02,124 INFO L124 PetriNetUnfolderBase]: 53/1813 cut-off events. [2024-11-28 02:47:02,125 INFO L125 PetriNetUnfolderBase]: For 15/17 co-relation queries the response was YES. [2024-11-28 02:47:02,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1951 conditions, 1813 events. 53/1813 cut-off events. For 15/17 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 10975 event pairs, 2 based on Foata normal form. 1/1588 useless extension candidates. Maximal degree in co-relation 1851. Up to 43 conditions per place. [2024-11-28 02:47:02,168 INFO L140 encePairwiseOnDemand]: 696/706 looper letters, 12 selfloop transitions, 5 changer transitions 4/636 dead transitions. [2024-11-28 02:47:02,168 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 628 places, 636 transitions, 1368 flow [2024-11-28 02:47:02,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:02,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:47:02,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2012 transitions. [2024-11-28 02:47:02,174 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9499527856468366 [2024-11-28 02:47:02,174 INFO L175 Difference]: Start difference. First operand has 630 places, 635 transitions, 1325 flow. Second operand 3 states and 2012 transitions. [2024-11-28 02:47:02,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 628 places, 636 transitions, 1368 flow [2024-11-28 02:47:02,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 627 places, 636 transitions, 1362 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:47:02,188 INFO L231 Difference]: Finished difference. Result has 628 places, 629 transitions, 1323 flow [2024-11-28 02:47:02,189 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1311, PETRI_DIFFERENCE_MINUEND_PLACES=625, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=631, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=626, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1323, PETRI_PLACES=628, PETRI_TRANSITIONS=629} [2024-11-28 02:47:02,190 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -34 predicate places. [2024-11-28 02:47:02,190 INFO L471 AbstractCegarLoop]: Abstraction has has 628 places, 629 transitions, 1323 flow [2024-11-28 02:47:02,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 664.0) internal successors, (1992), 3 states have internal predecessors, (1992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:02,191 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:02,191 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] [2024-11-28 02:47:02,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 02:47:02,192 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:47:02,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:02,193 INFO L85 PathProgramCache]: Analyzing trace with hash -791955458, now seen corresponding path program 1 times [2024-11-28 02:47:02,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:02,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422131465] [2024-11-28 02:47:02,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:02,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:02,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:02,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:02,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422131465] [2024-11-28 02:47:02,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422131465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:02,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:02,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:47:02,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821264698] [2024-11-28 02:47:02,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:02,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:47:02,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:02,294 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:47:02,294 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:47:02,337 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 658 out of 706 [2024-11-28 02:47:02,345 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 628 places, 629 transitions, 1323 flow. Second operand has 3 states, 3 states have (on average 659.0) internal successors, (1977), 3 states have internal predecessors, (1977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:02,345 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:02,345 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 658 of 706 [2024-11-28 02:47:02,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:03,186 INFO L124 PetriNetUnfolderBase]: 129/3255 cut-off events. [2024-11-28 02:47:03,186 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-28 02:47:03,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3660 conditions, 3255 events. 129/3255 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 25014 event pairs, 4 based on Foata normal form. 0/2879 useless extension candidates. Maximal degree in co-relation 3559. Up to 158 conditions per place. [2024-11-28 02:47:03,231 INFO L140 encePairwiseOnDemand]: 697/706 looper letters, 17 selfloop transitions, 3 changer transitions 0/626 dead transitions. [2024-11-28 02:47:03,232 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 620 places, 626 transitions, 1359 flow [2024-11-28 02:47:03,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:03,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:47:03,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2000 transitions. [2024-11-28 02:47:03,236 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9442870632672332 [2024-11-28 02:47:03,236 INFO L175 Difference]: Start difference. First operand has 628 places, 629 transitions, 1323 flow. Second operand 3 states and 2000 transitions. [2024-11-28 02:47:03,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 620 places, 626 transitions, 1359 flow [2024-11-28 02:47:03,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 619 places, 626 transitions, 1354 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:47:03,248 INFO L231 Difference]: Finished difference. Result has 620 places, 624 transitions, 1319 flow [2024-11-28 02:47:03,249 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1306, PETRI_DIFFERENCE_MINUEND_PLACES=617, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=623, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=620, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1319, PETRI_PLACES=620, PETRI_TRANSITIONS=624} [2024-11-28 02:47:03,249 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -42 predicate places. [2024-11-28 02:47:03,249 INFO L471 AbstractCegarLoop]: Abstraction has has 620 places, 624 transitions, 1319 flow [2024-11-28 02:47:03,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 659.0) internal successors, (1977), 3 states have internal predecessors, (1977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:03,251 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:03,251 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:03,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 02:47:03,252 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:47:03,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:03,253 INFO L85 PathProgramCache]: Analyzing trace with hash -34800696, now seen corresponding path program 1 times [2024-11-28 02:47:03,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:03,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200657406] [2024-11-28 02:47:03,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:03,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:03,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:03,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:03,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200657406] [2024-11-28 02:47:03,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200657406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:03,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:03,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:47:03,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336738004] [2024-11-28 02:47:03,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:03,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:47:03,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:03,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:47:03,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:47:03,384 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 658 out of 706 [2024-11-28 02:47:03,386 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 620 places, 624 transitions, 1319 flow. Second operand has 3 states, 3 states have (on average 659.0) internal successors, (1977), 3 states have internal predecessors, (1977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:03,386 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:03,386 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 658 of 706 [2024-11-28 02:47:03,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:04,181 INFO L124 PetriNetUnfolderBase]: 122/3768 cut-off events. [2024-11-28 02:47:04,182 INFO L125 PetriNetUnfolderBase]: For 36/40 co-relation queries the response was YES. [2024-11-28 02:47:04,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4229 conditions, 3768 events. 122/3768 cut-off events. For 36/40 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 31094 event pairs, 20 based on Foata normal form. 0/3397 useless extension candidates. Maximal degree in co-relation 4127. Up to 176 conditions per place. [2024-11-28 02:47:04,221 INFO L140 encePairwiseOnDemand]: 697/706 looper letters, 18 selfloop transitions, 3 changer transitions 0/622 dead transitions. [2024-11-28 02:47:04,221 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 616 places, 622 transitions, 1360 flow [2024-11-28 02:47:04,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:04,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:47:04,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2001 transitions. [2024-11-28 02:47:04,225 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9447592067988668 [2024-11-28 02:47:04,225 INFO L175 Difference]: Start difference. First operand has 620 places, 624 transitions, 1319 flow. Second operand 3 states and 2001 transitions. [2024-11-28 02:47:04,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 616 places, 622 transitions, 1360 flow [2024-11-28 02:47:04,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 615 places, 622 transitions, 1357 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:47:04,236 INFO L231 Difference]: Finished difference. Result has 616 places, 619 transitions, 1317 flow [2024-11-28 02:47:04,237 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1304, PETRI_DIFFERENCE_MINUEND_PLACES=613, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=618, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=615, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1317, PETRI_PLACES=616, PETRI_TRANSITIONS=619} [2024-11-28 02:47:04,237 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -46 predicate places. [2024-11-28 02:47:04,237 INFO L471 AbstractCegarLoop]: Abstraction has has 616 places, 619 transitions, 1317 flow [2024-11-28 02:47:04,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 659.0) internal successors, (1977), 3 states have internal predecessors, (1977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:04,238 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:04,238 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] [2024-11-28 02:47:04,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 02:47:04,239 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:47:04,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:04,239 INFO L85 PathProgramCache]: Analyzing trace with hash -2008129752, now seen corresponding path program 1 times [2024-11-28 02:47:04,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:04,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382870473] [2024-11-28 02:47:04,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:04,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:04,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:04,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:04,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382870473] [2024-11-28 02:47:04,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382870473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:04,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:04,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:47:04,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138833097] [2024-11-28 02:47:04,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:04,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:47:04,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:04,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:47:04,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:47:04,356 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 659 out of 706 [2024-11-28 02:47:04,358 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 616 places, 619 transitions, 1317 flow. Second operand has 3 states, 3 states have (on average 660.3333333333334) internal successors, (1981), 3 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:04,358 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:04,358 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 659 of 706 [2024-11-28 02:47:04,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:06,107 INFO L124 PetriNetUnfolderBase]: 354/9609 cut-off events. [2024-11-28 02:47:06,107 INFO L125 PetriNetUnfolderBase]: For 59/63 co-relation queries the response was YES. [2024-11-28 02:47:06,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10800 conditions, 9609 events. 354/9609 cut-off events. For 59/63 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 98275 event pairs, 88 based on Foata normal form. 0/8697 useless extension candidates. Maximal degree in co-relation 10698. Up to 467 conditions per place. [2024-11-28 02:47:06,169 INFO L140 encePairwiseOnDemand]: 698/706 looper letters, 18 selfloop transitions, 2 changer transitions 0/617 dead transitions. [2024-11-28 02:47:06,169 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 612 places, 617 transitions, 1355 flow [2024-11-28 02:47:06,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:06,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:47:06,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2003 transitions. [2024-11-28 02:47:06,173 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.945703493862134 [2024-11-28 02:47:06,173 INFO L175 Difference]: Start difference. First operand has 616 places, 619 transitions, 1317 flow. Second operand 3 states and 2003 transitions. [2024-11-28 02:47:06,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 612 places, 617 transitions, 1355 flow [2024-11-28 02:47:06,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 611 places, 617 transitions, 1352 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:47:06,186 INFO L231 Difference]: Finished difference. Result has 612 places, 615 transitions, 1316 flow [2024-11-28 02:47:06,187 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1302, PETRI_DIFFERENCE_MINUEND_PLACES=609, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=613, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=611, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1316, PETRI_PLACES=612, PETRI_TRANSITIONS=615} [2024-11-28 02:47:06,187 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -50 predicate places. [2024-11-28 02:47:06,187 INFO L471 AbstractCegarLoop]: Abstraction has has 612 places, 615 transitions, 1316 flow [2024-11-28 02:47:06,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 660.3333333333334) internal successors, (1981), 3 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:06,188 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:06,188 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] [2024-11-28 02:47:06,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 02:47:06,188 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:47:06,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:06,189 INFO L85 PathProgramCache]: Analyzing trace with hash -471077645, now seen corresponding path program 1 times [2024-11-28 02:47:06,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:06,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845905474] [2024-11-28 02:47:06,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:06,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:07,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:07,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:07,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845905474] [2024-11-28 02:47:07,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845905474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:07,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:07,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:47:07,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676686400] [2024-11-28 02:47:07,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:07,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:47:07,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:07,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:47:07,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:47:07,547 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 651 out of 706 [2024-11-28 02:47:07,553 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 612 places, 615 transitions, 1316 flow. Second operand has 6 states, 6 states have (on average 652.6666666666666) internal successors, (3916), 6 states have internal predecessors, (3916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:07,553 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:07,553 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 651 of 706 [2024-11-28 02:47:07,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:08,864 INFO L124 PetriNetUnfolderBase]: 233/5969 cut-off events. [2024-11-28 02:47:08,864 INFO L125 PetriNetUnfolderBase]: For 8/16 co-relation queries the response was YES. [2024-11-28 02:47:08,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6890 conditions, 5969 events. 233/5969 cut-off events. For 8/16 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 52342 event pairs, 8 based on Foata normal form. 0/5473 useless extension candidates. Maximal degree in co-relation 6784. Up to 228 conditions per place. [2024-11-28 02:47:08,916 INFO L140 encePairwiseOnDemand]: 698/706 looper letters, 26 selfloop transitions, 5 changer transitions 0/616 dead transitions. [2024-11-28 02:47:08,917 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 614 places, 616 transitions, 1384 flow [2024-11-28 02:47:08,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:47:08,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:47:08,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3940 transitions. [2024-11-28 02:47:08,925 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9301227573182247 [2024-11-28 02:47:08,925 INFO L175 Difference]: Start difference. First operand has 612 places, 615 transitions, 1316 flow. Second operand 6 states and 3940 transitions. [2024-11-28 02:47:08,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 614 places, 616 transitions, 1384 flow [2024-11-28 02:47:08,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 614 places, 616 transitions, 1384 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:47:08,936 INFO L231 Difference]: Finished difference. Result has 614 places, 612 transitions, 1320 flow [2024-11-28 02:47:08,937 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1310, PETRI_DIFFERENCE_MINUEND_PLACES=609, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=612, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=607, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1320, PETRI_PLACES=614, PETRI_TRANSITIONS=612} [2024-11-28 02:47:08,938 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -48 predicate places. [2024-11-28 02:47:08,938 INFO L471 AbstractCegarLoop]: Abstraction has has 614 places, 612 transitions, 1320 flow [2024-11-28 02:47:08,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 652.6666666666666) internal successors, (3916), 6 states have internal predecessors, (3916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:08,940 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:08,940 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] [2024-11-28 02:47:08,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 02:47:08,940 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:47:08,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:08,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1586908594, now seen corresponding path program 1 times [2024-11-28 02:47:08,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:08,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056743506] [2024-11-28 02:47:08,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:08,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:09,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:09,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:09,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056743506] [2024-11-28 02:47:09,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056743506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:09,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:09,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:47:09,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045506289] [2024-11-28 02:47:09,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:09,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:47:09,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:09,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:47:09,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:47:10,109 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 651 out of 706 [2024-11-28 02:47:10,113 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 614 places, 612 transitions, 1320 flow. Second operand has 6 states, 6 states have (on average 652.8333333333334) internal successors, (3917), 6 states have internal predecessors, (3917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:10,114 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:10,114 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 651 of 706 [2024-11-28 02:47:10,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:11,042 INFO L124 PetriNetUnfolderBase]: 160/4614 cut-off events. [2024-11-28 02:47:11,042 INFO L125 PetriNetUnfolderBase]: For 62/70 co-relation queries the response was YES. [2024-11-28 02:47:11,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5331 conditions, 4614 events. 160/4614 cut-off events. For 62/70 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 39224 event pairs, 0 based on Foata normal form. 0/4242 useless extension candidates. Maximal degree in co-relation 5224. Up to 171 conditions per place. [2024-11-28 02:47:11,093 INFO L140 encePairwiseOnDemand]: 698/706 looper letters, 26 selfloop transitions, 5 changer transitions 0/613 dead transitions. [2024-11-28 02:47:11,093 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 616 places, 613 transitions, 1388 flow [2024-11-28 02:47:11,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:47:11,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:47:11,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3940 transitions. [2024-11-28 02:47:11,100 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9301227573182247 [2024-11-28 02:47:11,101 INFO L175 Difference]: Start difference. First operand has 614 places, 612 transitions, 1320 flow. Second operand 6 states and 3940 transitions. [2024-11-28 02:47:11,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 616 places, 613 transitions, 1388 flow [2024-11-28 02:47:11,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 611 places, 613 transitions, 1378 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 02:47:11,113 INFO L231 Difference]: Finished difference. Result has 611 places, 609 transitions, 1314 flow [2024-11-28 02:47:11,114 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1304, PETRI_DIFFERENCE_MINUEND_PLACES=606, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=609, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=604, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1314, PETRI_PLACES=611, PETRI_TRANSITIONS=609} [2024-11-28 02:47:11,114 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -51 predicate places. [2024-11-28 02:47:11,114 INFO L471 AbstractCegarLoop]: Abstraction has has 611 places, 609 transitions, 1314 flow [2024-11-28 02:47:11,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 652.8333333333334) internal successors, (3917), 6 states have internal predecessors, (3917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:11,116 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:11,116 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] [2024-11-28 02:47:11,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-28 02:47:11,117 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:47:11,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:11,118 INFO L85 PathProgramCache]: Analyzing trace with hash 332335689, now seen corresponding path program 1 times [2024-11-28 02:47:11,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:11,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295633892] [2024-11-28 02:47:11,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:11,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:11,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:11,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:11,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295633892] [2024-11-28 02:47:11,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295633892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:11,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:11,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:47:11,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095126355] [2024-11-28 02:47:11,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:11,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:47:11,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:11,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:47:11,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:47:11,280 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 667 out of 706 [2024-11-28 02:47:11,282 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 611 places, 609 transitions, 1314 flow. Second operand has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:11,282 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:11,282 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 667 of 706 [2024-11-28 02:47:11,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:12,631 INFO L124 PetriNetUnfolderBase]: 208/6152 cut-off events. [2024-11-28 02:47:12,631 INFO L125 PetriNetUnfolderBase]: For 73/73 co-relation queries the response was YES. [2024-11-28 02:47:12,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7074 conditions, 6152 events. 208/6152 cut-off events. For 73/73 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 53506 event pairs, 32 based on Foata normal form. 0/5655 useless extension candidates. Maximal degree in co-relation 6969. Up to 163 conditions per place. [2024-11-28 02:47:12,682 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 13 selfloop transitions, 2 changer transitions 0/609 dead transitions. [2024-11-28 02:47:12,682 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 612 places, 609 transitions, 1345 flow [2024-11-28 02:47:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:12,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:47:12,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2015 transitions. [2024-11-28 02:47:12,686 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9513692162417375 [2024-11-28 02:47:12,686 INFO L175 Difference]: Start difference. First operand has 611 places, 609 transitions, 1314 flow. Second operand 3 states and 2015 transitions. [2024-11-28 02:47:12,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 612 places, 609 transitions, 1345 flow [2024-11-28 02:47:12,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 607 places, 609 transitions, 1335 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 02:47:12,698 INFO L231 Difference]: Finished difference. Result has 607 places, 608 transitions, 1306 flow [2024-11-28 02:47:12,699 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1302, PETRI_DIFFERENCE_MINUEND_PLACES=605, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=608, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=606, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1306, PETRI_PLACES=607, PETRI_TRANSITIONS=608} [2024-11-28 02:47:12,700 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -55 predicate places. [2024-11-28 02:47:12,700 INFO L471 AbstractCegarLoop]: Abstraction has has 607 places, 608 transitions, 1306 flow [2024-11-28 02:47:12,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:12,701 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:12,701 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] [2024-11-28 02:47:12,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 02:47:12,702 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:47:12,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:12,703 INFO L85 PathProgramCache]: Analyzing trace with hash -584480604, now seen corresponding path program 1 times [2024-11-28 02:47:12,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:12,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099730021] [2024-11-28 02:47:12,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:12,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:12,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:12,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:12,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099730021] [2024-11-28 02:47:12,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099730021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:12,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:12,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:47:12,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848476009] [2024-11-28 02:47:12,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:12,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:47:12,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:12,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:47:12,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:47:12,823 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 667 out of 706 [2024-11-28 02:47:12,825 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 607 places, 608 transitions, 1306 flow. Second operand has 3 states, 3 states have (on average 669.3333333333334) internal successors, (2008), 3 states have internal predecessors, (2008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:12,826 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:12,826 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 667 of 706 [2024-11-28 02:47:12,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:13,711 INFO L124 PetriNetUnfolderBase]: 132/4345 cut-off events. [2024-11-28 02:47:13,711 INFO L125 PetriNetUnfolderBase]: For 93/101 co-relation queries the response was YES. [2024-11-28 02:47:13,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4909 conditions, 4345 events. 132/4345 cut-off events. For 93/101 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 35945 event pairs, 9 based on Foata normal form. 0/4018 useless extension candidates. Maximal degree in co-relation 4804. Up to 136 conditions per place. [2024-11-28 02:47:13,750 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 12 selfloop transitions, 2 changer transitions 1/608 dead transitions. [2024-11-28 02:47:13,751 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 608 places, 608 transitions, 1337 flow [2024-11-28 02:47:13,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:13,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:47:13,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2015 transitions. [2024-11-28 02:47:13,754 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9513692162417375 [2024-11-28 02:47:13,755 INFO L175 Difference]: Start difference. First operand has 607 places, 608 transitions, 1306 flow. Second operand 3 states and 2015 transitions. [2024-11-28 02:47:13,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 608 places, 608 transitions, 1337 flow [2024-11-28 02:47:13,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 606 places, 608 transitions, 1333 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:47:13,765 INFO L231 Difference]: Finished difference. Result has 606 places, 607 transitions, 1304 flow [2024-11-28 02:47:13,766 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1300, PETRI_DIFFERENCE_MINUEND_PLACES=604, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=605, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1304, PETRI_PLACES=606, PETRI_TRANSITIONS=607} [2024-11-28 02:47:13,767 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -56 predicate places. [2024-11-28 02:47:13,767 INFO L471 AbstractCegarLoop]: Abstraction has has 606 places, 607 transitions, 1304 flow [2024-11-28 02:47:13,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 669.3333333333334) internal successors, (2008), 3 states have internal predecessors, (2008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:13,768 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:13,768 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] [2024-11-28 02:47:13,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 02:47:13,768 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:47:13,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:13,769 INFO L85 PathProgramCache]: Analyzing trace with hash 613138285, now seen corresponding path program 1 times [2024-11-28 02:47:13,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:13,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368566173] [2024-11-28 02:47:13,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:13,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:13,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:13,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:13,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368566173] [2024-11-28 02:47:13,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368566173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:13,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:13,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:47:13,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736741308] [2024-11-28 02:47:13,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:13,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:47:13,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:13,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:47:13,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:47:13,852 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 674 out of 706 [2024-11-28 02:47:13,855 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 606 places, 607 transitions, 1304 flow. Second operand has 3 states, 3 states have (on average 675.3333333333334) internal successors, (2026), 3 states have internal predecessors, (2026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:13,855 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:13,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 674 of 706 [2024-11-28 02:47:13,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:15,069 INFO L124 PetriNetUnfolderBase]: 145/6321 cut-off events. [2024-11-28 02:47:15,069 INFO L125 PetriNetUnfolderBase]: For 20/24 co-relation queries the response was YES. [2024-11-28 02:47:15,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6942 conditions, 6321 events. 145/6321 cut-off events. For 20/24 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 54567 event pairs, 4 based on Foata normal form. 0/5861 useless extension candidates. Maximal degree in co-relation 6837. Up to 68 conditions per place. [2024-11-28 02:47:15,116 INFO L140 encePairwiseOnDemand]: 704/706 looper letters, 8 selfloop transitions, 1 changer transitions 0/609 dead transitions. [2024-11-28 02:47:15,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 607 places, 609 transitions, 1328 flow [2024-11-28 02:47:15,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:15,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:47:15,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2032 transitions. [2024-11-28 02:47:15,120 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.959395656279509 [2024-11-28 02:47:15,121 INFO L175 Difference]: Start difference. First operand has 606 places, 607 transitions, 1304 flow. Second operand 3 states and 2032 transitions. [2024-11-28 02:47:15,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 607 places, 609 transitions, 1328 flow [2024-11-28 02:47:15,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 605 places, 609 transitions, 1324 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:47:15,130 INFO L231 Difference]: Finished difference. Result has 606 places, 607 transitions, 1305 flow [2024-11-28 02:47:15,131 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1298, PETRI_DIFFERENCE_MINUEND_PLACES=603, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=606, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=605, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1305, PETRI_PLACES=606, PETRI_TRANSITIONS=607} [2024-11-28 02:47:15,131 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -56 predicate places. [2024-11-28 02:47:15,132 INFO L471 AbstractCegarLoop]: Abstraction has has 606 places, 607 transitions, 1305 flow [2024-11-28 02:47:15,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 675.3333333333334) internal successors, (2026), 3 states have internal predecessors, (2026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:15,132 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:15,133 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] [2024-11-28 02:47:15,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 02:47:15,133 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:47:15,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:15,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1462021944, now seen corresponding path program 1 times [2024-11-28 02:47:15,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:15,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049866725] [2024-11-28 02:47:15,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:15,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:15,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 02:47:15,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:15,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049866725] [2024-11-28 02:47:15,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049866725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:15,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:15,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:47:15,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555301220] [2024-11-28 02:47:15,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:15,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:47:15,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:15,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:47:15,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:47:15,235 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 674 out of 706 [2024-11-28 02:47:15,237 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 606 places, 607 transitions, 1305 flow. Second operand has 3 states, 3 states have (on average 675.6666666666666) internal successors, (2027), 3 states have internal predecessors, (2027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:15,237 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:15,238 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 674 of 706 [2024-11-28 02:47:15,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:16,822 INFO L124 PetriNetUnfolderBase]: 135/6249 cut-off events. [2024-11-28 02:47:16,823 INFO L125 PetriNetUnfolderBase]: For 16/24 co-relation queries the response was YES. [2024-11-28 02:47:16,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6830 conditions, 6249 events. 135/6249 cut-off events. For 16/24 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 52105 event pairs, 8 based on Foata normal form. 0/5823 useless extension candidates. Maximal degree in co-relation 6725. Up to 68 conditions per place. [2024-11-28 02:47:16,883 INFO L140 encePairwiseOnDemand]: 704/706 looper letters, 7 selfloop transitions, 1 changer transitions 0/608 dead transitions. [2024-11-28 02:47:16,883 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 607 places, 608 transitions, 1324 flow [2024-11-28 02:47:16,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:16,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:47:16,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2031 transitions. [2024-11-28 02:47:16,889 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9589235127478754 [2024-11-28 02:47:16,889 INFO L175 Difference]: Start difference. First operand has 606 places, 607 transitions, 1305 flow. Second operand 3 states and 2031 transitions. [2024-11-28 02:47:16,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 607 places, 608 transitions, 1324 flow [2024-11-28 02:47:17,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 607 places, 608 transitions, 1324 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:47:17,020 INFO L231 Difference]: Finished difference. Result has 608 places, 607 transitions, 1310 flow [2024-11-28 02:47:17,020 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1303, PETRI_DIFFERENCE_MINUEND_PLACES=605, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=606, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=605, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1310, PETRI_PLACES=608, PETRI_TRANSITIONS=607} [2024-11-28 02:47:17,021 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -54 predicate places. [2024-11-28 02:47:17,021 INFO L471 AbstractCegarLoop]: Abstraction has has 608 places, 607 transitions, 1310 flow [2024-11-28 02:47:17,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 675.6666666666666) internal successors, (2027), 3 states have internal predecessors, (2027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:17,022 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:17,022 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:17,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-28 02:47:17,022 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread1Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:47:17,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:17,023 INFO L85 PathProgramCache]: Analyzing trace with hash 784163856, now seen corresponding path program 1 times [2024-11-28 02:47:17,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:17,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750139128] [2024-11-28 02:47:17,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:17,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:17,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:17,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:17,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750139128] [2024-11-28 02:47:17,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750139128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:17,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:17,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:47:17,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125840813] [2024-11-28 02:47:17,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:17,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:47:17,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:17,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:47:17,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:47:17,143 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 667 out of 706 [2024-11-28 02:47:17,146 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 608 places, 607 transitions, 1310 flow. Second operand has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:17,146 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:17,146 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 667 of 706 [2024-11-28 02:47:17,146 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:18,758 INFO L124 PetriNetUnfolderBase]: 231/8833 cut-off events. [2024-11-28 02:47:18,758 INFO L125 PetriNetUnfolderBase]: For 85/85 co-relation queries the response was YES. [2024-11-28 02:47:18,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9834 conditions, 8833 events. 231/8833 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 80881 event pairs, 36 based on Foata normal form. 0/8203 useless extension candidates. Maximal degree in co-relation 9728. Up to 159 conditions per place. [2024-11-28 02:47:18,842 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 13 selfloop transitions, 2 changer transitions 0/607 dead transitions. [2024-11-28 02:47:18,842 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 609 places, 607 transitions, 1341 flow [2024-11-28 02:47:18,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:18,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:47:18,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2015 transitions. [2024-11-28 02:47:18,847 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9513692162417375 [2024-11-28 02:47:18,847 INFO L175 Difference]: Start difference. First operand has 608 places, 607 transitions, 1310 flow. Second operand 3 states and 2015 transitions. [2024-11-28 02:47:18,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 609 places, 607 transitions, 1341 flow [2024-11-28 02:47:18,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 609 places, 607 transitions, 1341 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:47:18,854 INFO L231 Difference]: Finished difference. Result has 609 places, 606 transitions, 1312 flow [2024-11-28 02:47:18,855 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1308, PETRI_DIFFERENCE_MINUEND_PLACES=607, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=606, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=604, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1312, PETRI_PLACES=609, PETRI_TRANSITIONS=606} [2024-11-28 02:47:18,855 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -53 predicate places. [2024-11-28 02:47:18,855 INFO L471 AbstractCegarLoop]: Abstraction has has 609 places, 606 transitions, 1312 flow [2024-11-28 02:47:18,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:18,856 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:18,856 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:18,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-28 02:47:18,856 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread2Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:47:18,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:18,858 INFO L85 PathProgramCache]: Analyzing trace with hash -104009997, now seen corresponding path program 1 times [2024-11-28 02:47:18,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:18,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455940693] [2024-11-28 02:47:18,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:18,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:18,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 02:47:18,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:18,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455940693] [2024-11-28 02:47:18,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455940693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:18,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:18,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:47:18,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915050631] [2024-11-28 02:47:18,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:18,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:47:18,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:18,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:47:18,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:47:18,983 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 667 out of 706 [2024-11-28 02:47:18,985 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 609 places, 606 transitions, 1312 flow. Second operand has 3 states, 3 states have (on average 669.3333333333334) internal successors, (2008), 3 states have internal predecessors, (2008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:18,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:18,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 667 of 706 [2024-11-28 02:47:18,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:20,143 INFO L124 PetriNetUnfolderBase]: 147/6049 cut-off events. [2024-11-28 02:47:20,143 INFO L125 PetriNetUnfolderBase]: For 105/113 co-relation queries the response was YES. [2024-11-28 02:47:20,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6755 conditions, 6049 events. 147/6049 cut-off events. For 105/113 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 50534 event pairs, 22 based on Foata normal form. 0/5641 useless extension candidates. Maximal degree in co-relation 6648. Up to 150 conditions per place. [2024-11-28 02:47:20,204 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 13 selfloop transitions, 2 changer transitions 0/606 dead transitions. [2024-11-28 02:47:20,204 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 610 places, 606 transitions, 1343 flow [2024-11-28 02:47:20,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:20,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:47:20,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2015 transitions. [2024-11-28 02:47:20,208 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9513692162417375 [2024-11-28 02:47:20,208 INFO L175 Difference]: Start difference. First operand has 609 places, 606 transitions, 1312 flow. Second operand 3 states and 2015 transitions. [2024-11-28 02:47:20,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 610 places, 606 transitions, 1343 flow [2024-11-28 02:47:20,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 608 places, 606 transitions, 1339 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:47:20,215 INFO L231 Difference]: Finished difference. Result has 608 places, 605 transitions, 1310 flow [2024-11-28 02:47:20,216 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1306, PETRI_DIFFERENCE_MINUEND_PLACES=606, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=605, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=603, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1310, PETRI_PLACES=608, PETRI_TRANSITIONS=605} [2024-11-28 02:47:20,216 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -54 predicate places. [2024-11-28 02:47:20,216 INFO L471 AbstractCegarLoop]: Abstraction has has 608 places, 605 transitions, 1310 flow [2024-11-28 02:47:20,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 669.3333333333334) internal successors, (2008), 3 states have internal predecessors, (2008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:20,217 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:20,217 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:20,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-28 02:47:20,217 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting thread1Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:47:20,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:20,218 INFO L85 PathProgramCache]: Analyzing trace with hash 2077672949, now seen corresponding path program 1 times [2024-11-28 02:47:20,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:20,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213995977] [2024-11-28 02:47:20,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:20,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:20,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:20,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:20,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213995977] [2024-11-28 02:47:20,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213995977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:20,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:20,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:47:20,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319101708] [2024-11-28 02:47:20,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:20,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:47:20,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:20,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:47:20,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:47:20,375 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 661 out of 706 [2024-11-28 02:47:20,376 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 608 places, 605 transitions, 1310 flow. Second operand has 3 states, 3 states have (on average 663.6666666666666) internal successors, (1991), 3 states have internal predecessors, (1991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:20,377 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:20,377 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 661 of 706 [2024-11-28 02:47:20,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:22,051 INFO L124 PetriNetUnfolderBase]: 281/10327 cut-off events. [2024-11-28 02:47:22,051 INFO L125 PetriNetUnfolderBase]: For 90/94 co-relation queries the response was YES. [2024-11-28 02:47:22,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11638 conditions, 10327 events. 281/10327 cut-off events. For 90/94 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 101503 event pairs, 64 based on Foata normal form. 0/9622 useless extension candidates. Maximal degree in co-relation 11531. Up to 254 conditions per place. [2024-11-28 02:47:22,130 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 20 selfloop transitions, 2 changer transitions 0/605 dead transitions. [2024-11-28 02:47:22,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 609 places, 605 transitions, 1355 flow [2024-11-28 02:47:22,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:22,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:47:22,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2004 transitions. [2024-11-28 02:47:22,134 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9461756373937678 [2024-11-28 02:47:22,135 INFO L175 Difference]: Start difference. First operand has 608 places, 605 transitions, 1310 flow. Second operand 3 states and 2004 transitions. [2024-11-28 02:47:22,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 609 places, 605 transitions, 1355 flow [2024-11-28 02:47:22,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 607 places, 605 transitions, 1351 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:47:22,141 INFO L231 Difference]: Finished difference. Result has 607 places, 604 transitions, 1308 flow [2024-11-28 02:47:22,142 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1304, PETRI_DIFFERENCE_MINUEND_PLACES=605, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=602, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1308, PETRI_PLACES=607, PETRI_TRANSITIONS=604} [2024-11-28 02:47:22,143 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -55 predicate places. [2024-11-28 02:47:22,143 INFO L471 AbstractCegarLoop]: Abstraction has has 607 places, 604 transitions, 1308 flow [2024-11-28 02:47:22,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 663.6666666666666) internal successors, (1991), 3 states have internal predecessors, (1991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:22,144 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:22,144 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:22,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-28 02:47:22,144 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting thread2Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:47:22,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:22,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1597272872, now seen corresponding path program 1 times [2024-11-28 02:47:22,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:22,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249572589] [2024-11-28 02:47:22,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:22,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:22,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 02:47:22,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:22,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249572589] [2024-11-28 02:47:22,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249572589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:22,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:22,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:47:22,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955195332] [2024-11-28 02:47:22,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:22,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:47:22,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:22,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:47:22,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:47:22,280 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 666 out of 706 [2024-11-28 02:47:22,285 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 607 places, 604 transitions, 1308 flow. Second operand has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:22,286 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:22,286 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 666 of 706 [2024-11-28 02:47:22,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:23,548 INFO L124 PetriNetUnfolderBase]: 163/6447 cut-off events. [2024-11-28 02:47:23,548 INFO L125 PetriNetUnfolderBase]: For 111/119 co-relation queries the response was YES. [2024-11-28 02:47:23,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7257 conditions, 6447 events. 163/6447 cut-off events. For 111/119 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 56474 event pairs, 36 based on Foata normal form. 0/6034 useless extension candidates. Maximal degree in co-relation 7150. Up to 199 conditions per place. [2024-11-28 02:47:23,603 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 15 selfloop transitions, 2 changer transitions 0/604 dead transitions. [2024-11-28 02:47:23,603 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 608 places, 604 transitions, 1343 flow [2024-11-28 02:47:23,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:23,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:47:23,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2014 transitions. [2024-11-28 02:47:23,608 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9508970727101038 [2024-11-28 02:47:23,608 INFO L175 Difference]: Start difference. First operand has 607 places, 604 transitions, 1308 flow. Second operand 3 states and 2014 transitions. [2024-11-28 02:47:23,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 608 places, 604 transitions, 1343 flow [2024-11-28 02:47:23,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 606 places, 604 transitions, 1339 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:47:23,616 INFO L231 Difference]: Finished difference. Result has 606 places, 603 transitions, 1306 flow [2024-11-28 02:47:23,616 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1302, PETRI_DIFFERENCE_MINUEND_PLACES=604, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=603, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=601, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1306, PETRI_PLACES=606, PETRI_TRANSITIONS=603} [2024-11-28 02:47:23,617 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -56 predicate places. [2024-11-28 02:47:23,617 INFO L471 AbstractCegarLoop]: Abstraction has has 606 places, 603 transitions, 1306 flow [2024-11-28 02:47:23,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:23,618 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:23,618 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:23,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-28 02:47:23,618 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting thread1Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:47:23,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:23,620 INFO L85 PathProgramCache]: Analyzing trace with hash -814997179, now seen corresponding path program 1 times [2024-11-28 02:47:23,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:23,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339505445] [2024-11-28 02:47:23,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:23,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:23,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:23,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:23,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339505445] [2024-11-28 02:47:23,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339505445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:23,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:23,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:47:23,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417543219] [2024-11-28 02:47:23,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:23,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:47:23,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:23,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:47:23,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:47:23,785 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 661 out of 706 [2024-11-28 02:47:23,787 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 606 places, 603 transitions, 1306 flow. Second operand has 3 states, 3 states have (on average 663.6666666666666) internal successors, (1991), 3 states have internal predecessors, (1991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:23,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:23,787 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 661 of 706 [2024-11-28 02:47:23,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:25,726 INFO L124 PetriNetUnfolderBase]: 283/10615 cut-off events. [2024-11-28 02:47:25,727 INFO L125 PetriNetUnfolderBase]: For 121/129 co-relation queries the response was YES. [2024-11-28 02:47:25,786 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11964 conditions, 10615 events. 283/10615 cut-off events. For 121/129 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 102962 event pairs, 56 based on Foata normal form. 0/9913 useless extension candidates. Maximal degree in co-relation 11857. Up to 246 conditions per place. [2024-11-28 02:47:25,801 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 20 selfloop transitions, 2 changer transitions 0/603 dead transitions. [2024-11-28 02:47:25,801 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 607 places, 603 transitions, 1351 flow [2024-11-28 02:47:25,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:25,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:47:25,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2004 transitions. [2024-11-28 02:47:25,804 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9461756373937678 [2024-11-28 02:47:25,804 INFO L175 Difference]: Start difference. First operand has 606 places, 603 transitions, 1306 flow. Second operand 3 states and 2004 transitions. [2024-11-28 02:47:25,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 607 places, 603 transitions, 1351 flow [2024-11-28 02:47:25,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 605 places, 603 transitions, 1347 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:47:25,812 INFO L231 Difference]: Finished difference. Result has 605 places, 602 transitions, 1304 flow [2024-11-28 02:47:25,812 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1300, PETRI_DIFFERENCE_MINUEND_PLACES=603, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=600, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1304, PETRI_PLACES=605, PETRI_TRANSITIONS=602} [2024-11-28 02:47:25,813 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -57 predicate places. [2024-11-28 02:47:25,813 INFO L471 AbstractCegarLoop]: Abstraction has has 605 places, 602 transitions, 1304 flow [2024-11-28 02:47:25,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 663.6666666666666) internal successors, (1991), 3 states have internal predecessors, (1991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:25,814 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:25,814 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:25,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-28 02:47:25,814 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting thread1Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:47:25,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:25,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1162116672, now seen corresponding path program 1 times [2024-11-28 02:47:25,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:25,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046788115] [2024-11-28 02:47:25,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:25,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:25,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:25,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:25,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046788115] [2024-11-28 02:47:25,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046788115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:25,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:25,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:47:25,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070693073] [2024-11-28 02:47:25,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:25,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:47:25,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:25,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:47:25,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:47:25,948 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 666 out of 706 [2024-11-28 02:47:25,949 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 605 places, 602 transitions, 1304 flow. Second operand has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:25,950 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:25,950 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 666 of 706 [2024-11-28 02:47:25,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:27,420 INFO L124 PetriNetUnfolderBase]: 233/7345 cut-off events. [2024-11-28 02:47:27,420 INFO L125 PetriNetUnfolderBase]: For 52/52 co-relation queries the response was YES. [2024-11-28 02:47:27,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8396 conditions, 7345 events. 233/7345 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 67007 event pairs, 76 based on Foata normal form. 0/6909 useless extension candidates. Maximal degree in co-relation 8328. Up to 266 conditions per place. [2024-11-28 02:47:27,463 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 14 selfloop transitions, 2 changer transitions 0/602 dead transitions. [2024-11-28 02:47:27,464 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 606 places, 602 transitions, 1337 flow [2024-11-28 02:47:27,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:27,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:47:27,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2014 transitions. [2024-11-28 02:47:27,466 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9508970727101038 [2024-11-28 02:47:27,466 INFO L175 Difference]: Start difference. First operand has 605 places, 602 transitions, 1304 flow. Second operand 3 states and 2014 transitions. [2024-11-28 02:47:27,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 606 places, 602 transitions, 1337 flow [2024-11-28 02:47:27,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 604 places, 602 transitions, 1333 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:47:27,472 INFO L231 Difference]: Finished difference. Result has 604 places, 601 transitions, 1302 flow [2024-11-28 02:47:27,473 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1298, PETRI_DIFFERENCE_MINUEND_PLACES=602, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=601, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=599, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1302, PETRI_PLACES=604, PETRI_TRANSITIONS=601} [2024-11-28 02:47:27,473 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -58 predicate places. [2024-11-28 02:47:27,473 INFO L471 AbstractCegarLoop]: Abstraction has has 604 places, 601 transitions, 1302 flow [2024-11-28 02:47:27,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:27,474 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:27,474 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:27,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-28 02:47:27,474 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting thread2Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:47:27,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:27,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1555422168, now seen corresponding path program 1 times [2024-11-28 02:47:27,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:27,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229437891] [2024-11-28 02:47:27,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:27,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:27,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 02:47:27,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:27,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229437891] [2024-11-28 02:47:27,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229437891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:27,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:27,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:47:27,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558116043] [2024-11-28 02:47:27,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:27,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:47:27,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:27,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:47:27,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:47:27,607 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 666 out of 706 [2024-11-28 02:47:27,609 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 604 places, 601 transitions, 1302 flow. Second operand has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:27,609 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:27,609 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 666 of 706 [2024-11-28 02:47:27,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:28,937 INFO L124 PetriNetUnfolderBase]: 155/6417 cut-off events. [2024-11-28 02:47:28,937 INFO L125 PetriNetUnfolderBase]: For 113/121 co-relation queries the response was YES. [2024-11-28 02:47:28,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7189 conditions, 6417 events. 155/6417 cut-off events. For 113/121 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 55351 event pairs, 32 based on Foata normal form. 0/6029 useless extension candidates. Maximal degree in co-relation 7082. Up to 185 conditions per place. [2024-11-28 02:47:29,000 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 15 selfloop transitions, 2 changer transitions 0/601 dead transitions. [2024-11-28 02:47:29,000 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 605 places, 601 transitions, 1337 flow [2024-11-28 02:47:29,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:29,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:47:29,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2014 transitions. [2024-11-28 02:47:29,002 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9508970727101038 [2024-11-28 02:47:29,002 INFO L175 Difference]: Start difference. First operand has 604 places, 601 transitions, 1302 flow. Second operand 3 states and 2014 transitions. [2024-11-28 02:47:29,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 605 places, 601 transitions, 1337 flow [2024-11-28 02:47:29,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 603 places, 601 transitions, 1333 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:47:29,009 INFO L231 Difference]: Finished difference. Result has 603 places, 600 transitions, 1300 flow [2024-11-28 02:47:29,010 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1296, PETRI_DIFFERENCE_MINUEND_PLACES=601, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=600, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=598, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1300, PETRI_PLACES=603, PETRI_TRANSITIONS=600} [2024-11-28 02:47:29,010 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -59 predicate places. [2024-11-28 02:47:29,010 INFO L471 AbstractCegarLoop]: Abstraction has has 603 places, 600 transitions, 1300 flow [2024-11-28 02:47:29,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:29,011 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:29,011 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:29,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-28 02:47:29,012 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting thread2Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-11-28 02:47:29,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:29,013 INFO L85 PathProgramCache]: Analyzing trace with hash 254047139, now seen corresponding path program 1 times [2024-11-28 02:47:29,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:29,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413487626] [2024-11-28 02:47:29,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:29,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:29,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 02:47:29,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:29,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413487626] [2024-11-28 02:47:29,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413487626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:29,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:29,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:47:29,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613418728] [2024-11-28 02:47:29,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:29,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:47:29,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:29,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:47:29,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:47:29,136 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 666 out of 706 [2024-11-28 02:47:29,138 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 603 places, 600 transitions, 1300 flow. Second operand has 3 states, 3 states have (on average 669.3333333333334) internal successors, (2008), 3 states have internal predecessors, (2008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:29,138 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:29,138 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 666 of 706 [2024-11-28 02:47:29,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:30,204 INFO L124 PetriNetUnfolderBase]: 175/6445 cut-off events. [2024-11-28 02:47:30,204 INFO L125 PetriNetUnfolderBase]: For 92/100 co-relation queries the response was YES. [2024-11-28 02:47:30,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7330 conditions, 6445 events. 175/6445 cut-off events. For 92/100 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 56880 event pairs, 42 based on Foata normal form. 0/6066 useless extension candidates. Maximal degree in co-relation 7248. Up to 258 conditions per place. [2024-11-28 02:47:30,248 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 0 selfloop transitions, 0 changer transitions 600/600 dead transitions. [2024-11-28 02:47:30,248 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 604 places, 600 transitions, 1333 flow [2024-11-28 02:47:30,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:30,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:47:30,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2014 transitions. [2024-11-28 02:47:30,251 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9508970727101038 [2024-11-28 02:47:30,251 INFO L175 Difference]: Start difference. First operand has 603 places, 600 transitions, 1300 flow. Second operand 3 states and 2014 transitions. [2024-11-28 02:47:30,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 604 places, 600 transitions, 1333 flow [2024-11-28 02:47:30,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 602 places, 600 transitions, 1329 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:47:30,255 INFO L231 Difference]: Finished difference. Result has 602 places, 0 transitions, 0 flow [2024-11-28 02:47:30,256 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1294, PETRI_DIFFERENCE_MINUEND_PLACES=600, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=599, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=599, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=602, PETRI_TRANSITIONS=0} [2024-11-28 02:47:30,256 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -60 predicate places. [2024-11-28 02:47:30,256 INFO L471 AbstractCegarLoop]: Abstraction has has 602 places, 0 transitions, 0 flow [2024-11-28 02:47:30,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 669.3333333333334) internal successors, (2008), 3 states have internal predecessors, (2008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:30,259 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (122 of 123 remaining) [2024-11-28 02:47:30,260 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (121 of 123 remaining) [2024-11-28 02:47:30,260 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (120 of 123 remaining) [2024-11-28 02:47:30,260 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (119 of 123 remaining) [2024-11-28 02:47:30,260 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (118 of 123 remaining) [2024-11-28 02:47:30,260 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (117 of 123 remaining) [2024-11-28 02:47:30,260 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (116 of 123 remaining) [2024-11-28 02:47:30,260 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (115 of 123 remaining) [2024-11-28 02:47:30,260 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (114 of 123 remaining) [2024-11-28 02:47:30,260 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (113 of 123 remaining) [2024-11-28 02:47:30,260 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (112 of 123 remaining) [2024-11-28 02:47:30,260 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (111 of 123 remaining) [2024-11-28 02:47:30,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (110 of 123 remaining) [2024-11-28 02:47:30,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (109 of 123 remaining) [2024-11-28 02:47:30,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (108 of 123 remaining) [2024-11-28 02:47:30,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (107 of 123 remaining) [2024-11-28 02:47:30,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (106 of 123 remaining) [2024-11-28 02:47:30,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (105 of 123 remaining) [2024-11-28 02:47:30,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (104 of 123 remaining) [2024-11-28 02:47:30,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (103 of 123 remaining) [2024-11-28 02:47:30,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (102 of 123 remaining) [2024-11-28 02:47:30,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (101 of 123 remaining) [2024-11-28 02:47:30,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (100 of 123 remaining) [2024-11-28 02:47:30,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (99 of 123 remaining) [2024-11-28 02:47:30,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (98 of 123 remaining) [2024-11-28 02:47:30,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (97 of 123 remaining) [2024-11-28 02:47:30,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (96 of 123 remaining) [2024-11-28 02:47:30,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (95 of 123 remaining) [2024-11-28 02:47:30,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (94 of 123 remaining) [2024-11-28 02:47:30,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (93 of 123 remaining) [2024-11-28 02:47:30,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (92 of 123 remaining) [2024-11-28 02:47:30,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (91 of 123 remaining) [2024-11-28 02:47:30,263 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (90 of 123 remaining) [2024-11-28 02:47:30,263 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (89 of 123 remaining) [2024-11-28 02:47:30,263 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (88 of 123 remaining) [2024-11-28 02:47:30,263 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (87 of 123 remaining) [2024-11-28 02:47:30,264 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (86 of 123 remaining) [2024-11-28 02:47:30,264 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (85 of 123 remaining) [2024-11-28 02:47:30,264 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (84 of 123 remaining) [2024-11-28 02:47:30,264 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (83 of 123 remaining) [2024-11-28 02:47:30,264 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (82 of 123 remaining) [2024-11-28 02:47:30,264 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (81 of 123 remaining) [2024-11-28 02:47:30,264 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (80 of 123 remaining) [2024-11-28 02:47:30,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (79 of 123 remaining) [2024-11-28 02:47:30,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (78 of 123 remaining) [2024-11-28 02:47:30,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (77 of 123 remaining) [2024-11-28 02:47:30,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (76 of 123 remaining) [2024-11-28 02:47:30,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (75 of 123 remaining) [2024-11-28 02:47:30,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (74 of 123 remaining) [2024-11-28 02:47:30,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (73 of 123 remaining) [2024-11-28 02:47:30,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (72 of 123 remaining) [2024-11-28 02:47:30,266 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (71 of 123 remaining) [2024-11-28 02:47:30,266 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (70 of 123 remaining) [2024-11-28 02:47:30,266 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (69 of 123 remaining) [2024-11-28 02:47:30,266 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (68 of 123 remaining) [2024-11-28 02:47:30,266 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (67 of 123 remaining) [2024-11-28 02:47:30,266 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (66 of 123 remaining) [2024-11-28 02:47:30,266 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (65 of 123 remaining) [2024-11-28 02:47:30,267 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (64 of 123 remaining) [2024-11-28 02:47:30,267 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (63 of 123 remaining) [2024-11-28 02:47:30,267 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (62 of 123 remaining) [2024-11-28 02:47:30,267 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (61 of 123 remaining) [2024-11-28 02:47:30,267 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (60 of 123 remaining) [2024-11-28 02:47:30,267 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (59 of 123 remaining) [2024-11-28 02:47:30,267 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (58 of 123 remaining) [2024-11-28 02:47:30,268 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (57 of 123 remaining) [2024-11-28 02:47:30,268 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (56 of 123 remaining) [2024-11-28 02:47:30,268 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (55 of 123 remaining) [2024-11-28 02:47:30,268 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (54 of 123 remaining) [2024-11-28 02:47:30,268 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (53 of 123 remaining) [2024-11-28 02:47:30,268 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (52 of 123 remaining) [2024-11-28 02:47:30,268 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (51 of 123 remaining) [2024-11-28 02:47:30,268 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (50 of 123 remaining) [2024-11-28 02:47:30,268 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 123 remaining) [2024-11-28 02:47:30,268 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 123 remaining) [2024-11-28 02:47:30,268 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 123 remaining) [2024-11-28 02:47:30,268 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (46 of 123 remaining) [2024-11-28 02:47:30,269 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (45 of 123 remaining) [2024-11-28 02:47:30,269 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (44 of 123 remaining) [2024-11-28 02:47:30,269 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (43 of 123 remaining) [2024-11-28 02:47:30,269 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (42 of 123 remaining) [2024-11-28 02:47:30,269 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (41 of 123 remaining) [2024-11-28 02:47:30,269 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (40 of 123 remaining) [2024-11-28 02:47:30,269 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (39 of 123 remaining) [2024-11-28 02:47:30,269 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (38 of 123 remaining) [2024-11-28 02:47:30,269 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (37 of 123 remaining) [2024-11-28 02:47:30,269 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (36 of 123 remaining) [2024-11-28 02:47:30,269 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (35 of 123 remaining) [2024-11-28 02:47:30,269 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (34 of 123 remaining) [2024-11-28 02:47:30,269 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (33 of 123 remaining) [2024-11-28 02:47:30,269 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (32 of 123 remaining) [2024-11-28 02:47:30,270 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (31 of 123 remaining) [2024-11-28 02:47:30,270 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (30 of 123 remaining) [2024-11-28 02:47:30,270 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (29 of 123 remaining) [2024-11-28 02:47:30,270 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (28 of 123 remaining) [2024-11-28 02:47:30,270 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (27 of 123 remaining) [2024-11-28 02:47:30,270 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (26 of 123 remaining) [2024-11-28 02:47:30,270 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (25 of 123 remaining) [2024-11-28 02:47:30,270 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (24 of 123 remaining) [2024-11-28 02:47:30,270 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 123 remaining) [2024-11-28 02:47:30,270 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (22 of 123 remaining) [2024-11-28 02:47:30,270 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (21 of 123 remaining) [2024-11-28 02:47:30,270 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (20 of 123 remaining) [2024-11-28 02:47:30,270 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 123 remaining) [2024-11-28 02:47:30,271 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 123 remaining) [2024-11-28 02:47:30,271 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (17 of 123 remaining) [2024-11-28 02:47:30,271 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (16 of 123 remaining) [2024-11-28 02:47:30,271 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (15 of 123 remaining) [2024-11-28 02:47:30,271 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (14 of 123 remaining) [2024-11-28 02:47:30,271 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (13 of 123 remaining) [2024-11-28 02:47:30,271 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (12 of 123 remaining) [2024-11-28 02:47:30,271 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (11 of 123 remaining) [2024-11-28 02:47:30,271 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (10 of 123 remaining) [2024-11-28 02:47:30,272 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (9 of 123 remaining) [2024-11-28 02:47:30,272 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (8 of 123 remaining) [2024-11-28 02:47:30,272 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (7 of 123 remaining) [2024-11-28 02:47:30,272 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (6 of 123 remaining) [2024-11-28 02:47:30,273 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (5 of 123 remaining) [2024-11-28 02:47:30,273 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (4 of 123 remaining) [2024-11-28 02:47:30,273 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (3 of 123 remaining) [2024-11-28 02:47:30,273 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (2 of 123 remaining) [2024-11-28 02:47:30,273 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (1 of 123 remaining) [2024-11-28 02:47:30,273 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (0 of 123 remaining) [2024-11-28 02:47:30,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-28 02:47:30,274 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:30,281 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 02:47:30,281 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:47:30,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:47:30 BasicIcfg [2024-11-28 02:47:30,289 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:47:30,289 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:47:30,290 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:47:30,290 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:47:30,291 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:50" (3/4) ... [2024-11-28 02:47:30,293 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:47:30,297 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 02:47:30,297 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 02:47:30,304 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-28 02:47:30,305 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 02:47:30,305 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 02:47:30,305 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:47:30,432 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d595d3f-9558-450d-93f6-564e23659cd5/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:47:30,433 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d595d3f-9558-450d-93f6-564e23659cd5/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:47:30,434 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:47:30,436 INFO L158 Benchmark]: Toolchain (without parser) took 41853.29ms. Allocated memory was 117.4MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 94.2MB in the beginning and 1.1GB in the end (delta: -956.3MB). Peak memory consumption was 354.3MB. Max. memory is 16.1GB. [2024-11-28 02:47:30,436 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:30,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.11ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 80.8MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:47:30,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.87ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 77.0MB in the end (delta: 3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:47:30,438 INFO L158 Benchmark]: Boogie Preprocessor took 93.58ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 74.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:30,439 INFO L158 Benchmark]: RCFGBuilder took 1397.00ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 84.3MB in the end (delta: -10.0MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2024-11-28 02:47:30,440 INFO L158 Benchmark]: TraceAbstraction took 39643.70ms. Allocated memory was 117.4MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 83.7MB in the beginning and 1.1GB in the end (delta: -975.2MB). Peak memory consumption was 944.2MB. Max. memory is 16.1GB. [2024-11-28 02:47:30,441 INFO L158 Benchmark]: Witness Printer took 144.30ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:47:30,444 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 462.11ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 80.8MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.87ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 77.0MB in the end (delta: 3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.58ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 74.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1397.00ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 84.3MB in the end (delta: -10.0MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * TraceAbstraction took 39643.70ms. Allocated memory was 117.4MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 83.7MB in the beginning and 1.1GB in the end (delta: -975.2MB). Peak memory consumption was 944.2MB. Max. memory is 16.1GB. * Witness Printer took 144.30ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 69]: 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: 69]: 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: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: 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: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: 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, 1100 locations, 123 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: 39.4s, OverallIterations: 33, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 33.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1859 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 664 mSDsluCounter, 327 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 332 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2147 IncrementalHoareTripleChecker+Invalid, 2479 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 332 mSolverCounterUnsat, 327 mSDtfsCounter, 2147 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1386occurred in iteration=0, InterpolantAutomatonStates: 108, 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: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 4931 NumberOfCodeBlocks, 4931 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 4898 ConstructedInterpolants, 0 QuantifiedInterpolants, 5303 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 33 PerfectInterpolantSequences, 5/5 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 73 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 02:47:30,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d595d3f-9558-450d-93f6-564e23659cd5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE