./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX --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 b034d85232772d264d33ccb960d3ce3e7bf57df858fd0c6fd0b22127388c3f9a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 12:23:23,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 12:23:23,609 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-08 12:23:23,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 12:23:23,618 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 12:23:23,681 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 12:23:23,682 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 12:23:23,685 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 12:23:23,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 12:23:23,687 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 12:23:23,687 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 12:23:23,688 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 12:23:23,688 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 12:23:23,690 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 12:23:23,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 12:23:23,691 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 12:23:23,695 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 12:23:23,696 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 12:23:23,696 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 12:23:23,697 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 12:23:23,697 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 12:23:23,698 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 12:23:23,698 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 12:23:23,699 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 12:23:23,699 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 12:23:23,699 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 12:23:23,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 12:23:23,718 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 12:23:23,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 12:23:23,719 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 12:23:23,719 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 12:23:23,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 12:23:23,720 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 12:23:23,720 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 12:23:23,720 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 12:23:23,721 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 12:23:23,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 12:23:23,722 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 12:23:23,723 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 12:23:23,723 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 12:23:23,724 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 12:23:23,724 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b034d85232772d264d33ccb960d3ce3e7bf57df858fd0c6fd0b22127388c3f9a [2024-11-08 12:23:24,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 12:23:24,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 12:23:24,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 12:23:24,101 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 12:23:24,101 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 12:23:24,103 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c Unable to find full path for "g++" [2024-11-08 12:23:26,578 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 12:23:26,812 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 12:23:26,813 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c [2024-11-08 12:23:26,828 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/data/5c7295779/c8981747dd8b4d90a101a5655daa26e9/FLAG281d3bc3c [2024-11-08 12:23:26,862 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/data/5c7295779/c8981747dd8b4d90a101a5655daa26e9 [2024-11-08 12:23:26,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 12:23:26,871 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 12:23:26,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 12:23:26,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 12:23:26,890 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 12:23:26,891 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:23:26" (1/1) ... [2024-11-08 12:23:26,893 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61de4c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:26, skipping insertion in model container [2024-11-08 12:23:26,893 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:23:26" (1/1) ... [2024-11-08 12:23:26,924 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 12:23:27,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:23:27,340 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 12:23:27,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:23:27,442 INFO L204 MainTranslator]: Completed translation [2024-11-08 12:23:27,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:27 WrapperNode [2024-11-08 12:23:27,443 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 12:23:27,445 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 12:23:27,445 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 12:23:27,445 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 12:23:27,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:27" (1/1) ... [2024-11-08 12:23:27,476 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:27" (1/1) ... [2024-11-08 12:23:27,541 INFO L138 Inliner]: procedures = 23, calls = 26, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 273 [2024-11-08 12:23:27,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 12:23:27,546 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 12:23:27,549 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 12:23:27,550 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 12:23:27,565 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:27" (1/1) ... [2024-11-08 12:23:27,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:27" (1/1) ... [2024-11-08 12:23:27,576 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:27" (1/1) ... [2024-11-08 12:23:27,580 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:27" (1/1) ... [2024-11-08 12:23:27,612 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:27" (1/1) ... [2024-11-08 12:23:27,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:27" (1/1) ... [2024-11-08 12:23:27,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:27" (1/1) ... [2024-11-08 12:23:27,633 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:27" (1/1) ... [2024-11-08 12:23:27,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 12:23:27,642 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 12:23:27,643 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 12:23:27,643 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 12:23:27,644 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:27" (1/1) ... [2024-11-08 12:23:27,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 12:23:27,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:23:27,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 12:23:27,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 12:23:27,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 12:23:27,735 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-08 12:23:27,735 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-08 12:23:27,735 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-08 12:23:27,736 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-08 12:23:27,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 12:23:27,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 12:23:27,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 12:23:27,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 12:23:27,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 12:23:27,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 12:23:27,741 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 12:23:27,945 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 12:23:27,950 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 12:23:28,816 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 12:23:28,817 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 12:23:28,842 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 12:23:28,842 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 12:23:28,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:23:28 BoogieIcfgContainer [2024-11-08 12:23:28,843 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 12:23:28,846 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 12:23:28,846 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 12:23:28,850 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 12:23:28,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:23:26" (1/3) ... [2024-11-08 12:23:28,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c8ed204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:23:28, skipping insertion in model container [2024-11-08 12:23:28,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:23:27" (2/3) ... [2024-11-08 12:23:28,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c8ed204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:23:28, skipping insertion in model container [2024-11-08 12:23:28,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:23:28" (3/3) ... [2024-11-08 12:23:28,854 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-opt-symm.wvr.c [2024-11-08 12:23:28,877 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 12:23:28,877 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-11-08 12:23:28,877 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 12:23:29,047 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-08 12:23:29,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 336 places, 348 transitions, 710 flow [2024-11-08 12:23:29,275 INFO L124 PetriNetUnfolderBase]: 19/346 cut-off events. [2024-11-08 12:23:29,276 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-08 12:23:29,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 355 conditions, 346 events. 19/346 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 655 event pairs, 0 based on Foata normal form. 0/297 useless extension candidates. Maximal degree in co-relation 238. Up to 3 conditions per place. [2024-11-08 12:23:29,288 INFO L82 GeneralOperation]: Start removeDead. Operand has 336 places, 348 transitions, 710 flow [2024-11-08 12:23:29,297 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 318 places, 329 transitions, 670 flow [2024-11-08 12:23:29,308 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 12:23:29,316 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;@16673c85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:23:29,317 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2024-11-08 12:23:29,331 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 12:23:29,331 INFO L124 PetriNetUnfolderBase]: 3/59 cut-off events. [2024-11-08 12:23:29,332 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 12:23:29,332 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 12:23:29,333 INFO L204 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] [2024-11-08 12:23:29,334 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-08 12:23:29,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:29,340 INFO L85 PathProgramCache]: Analyzing trace with hash 150200983, now seen corresponding path program 1 times [2024-11-08 12:23:29,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:29,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682625508] [2024-11-08 12:23:29,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:29,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:29,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:23:29,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:23:29,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682625508] [2024-11-08 12:23:29,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682625508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:29,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:29,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:23:29,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976671367] [2024-11-08 12:23:29,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:29,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:23:29,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:29,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:23:29,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:23:29,859 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 348 [2024-11-08 12:23:29,868 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 329 transitions, 670 flow. Second operand has 3 states, 3 states have (on average 324.3333333333333) internal successors, (973), 3 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:29,868 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 12:23:29,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 348 [2024-11-08 12:23:29,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 12:23:30,040 INFO L124 PetriNetUnfolderBase]: 24/498 cut-off events. [2024-11-08 12:23:30,041 INFO L125 PetriNetUnfolderBase]: For 15/16 co-relation queries the response was YES. [2024-11-08 12:23:30,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 543 conditions, 498 events. 24/498 cut-off events. For 15/16 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1560 event pairs, 8 based on Foata normal form. 18/439 useless extension candidates. Maximal degree in co-relation 367. Up to 28 conditions per place. [2024-11-08 12:23:30,053 INFO L140 encePairwiseOnDemand]: 337/348 looper letters, 11 selfloop transitions, 2 changer transitions 4/320 dead transitions. [2024-11-08 12:23:30,053 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 320 transitions, 678 flow [2024-11-08 12:23:30,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:23:30,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 12:23:30,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 991 transitions. [2024-11-08 12:23:30,081 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9492337164750958 [2024-11-08 12:23:30,087 INFO L175 Difference]: Start difference. First operand has 318 places, 329 transitions, 670 flow. Second operand 3 states and 991 transitions. [2024-11-08 12:23:30,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 320 transitions, 678 flow [2024-11-08 12:23:30,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 320 transitions, 670 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-08 12:23:30,109 INFO L231 Difference]: Finished difference. Result has 315 places, 316 transitions, 640 flow [2024-11-08 12:23:30,113 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=640, PETRI_PLACES=315, PETRI_TRANSITIONS=316} [2024-11-08 12:23:30,119 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, -3 predicate places. [2024-11-08 12:23:30,120 INFO L471 AbstractCegarLoop]: Abstraction has has 315 places, 316 transitions, 640 flow [2024-11-08 12:23:30,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 324.3333333333333) internal successors, (973), 3 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:30,121 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 12:23:30,121 INFO L204 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] [2024-11-08 12:23:30,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 12:23:30,122 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-08 12:23:30,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:30,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1519123226, now seen corresponding path program 1 times [2024-11-08 12:23:30,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:30,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019597298] [2024-11-08 12:23:30,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:30,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:31,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:23:31,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:23:31,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019597298] [2024-11-08 12:23:31,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019597298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:31,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:31,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:23:31,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471737720] [2024-11-08 12:23:31,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:31,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:23:31,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:31,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:23:31,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:23:31,787 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 348 [2024-11-08 12:23:31,789 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 316 transitions, 640 flow. Second operand has 6 states, 6 states have (on average 275.5) internal successors, (1653), 6 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:31,790 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 12:23:31,790 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 348 [2024-11-08 12:23:31,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 12:23:32,590 INFO L124 PetriNetUnfolderBase]: 426/2282 cut-off events. [2024-11-08 12:23:32,591 INFO L125 PetriNetUnfolderBase]: For 46/47 co-relation queries the response was YES. [2024-11-08 12:23:32,600 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3023 conditions, 2282 events. 426/2282 cut-off events. For 46/47 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 16018 event pairs, 288 based on Foata normal form. 0/1889 useless extension candidates. Maximal degree in co-relation 2940. Up to 709 conditions per place. [2024-11-08 12:23:32,613 INFO L140 encePairwiseOnDemand]: 336/348 looper letters, 52 selfloop transitions, 10 changer transitions 0/314 dead transitions. [2024-11-08 12:23:32,614 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 314 transitions, 760 flow [2024-11-08 12:23:32,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:23:32,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 12:23:32,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1708 transitions. [2024-11-08 12:23:32,624 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8180076628352491 [2024-11-08 12:23:32,624 INFO L175 Difference]: Start difference. First operand has 315 places, 316 transitions, 640 flow. Second operand 6 states and 1708 transitions. [2024-11-08 12:23:32,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 314 transitions, 760 flow [2024-11-08 12:23:32,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 314 transitions, 756 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 12:23:32,637 INFO L231 Difference]: Finished difference. Result has 312 places, 314 transitions, 652 flow [2024-11-08 12:23:32,638 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=652, PETRI_PLACES=312, PETRI_TRANSITIONS=314} [2024-11-08 12:23:32,639 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, -6 predicate places. [2024-11-08 12:23:32,639 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 314 transitions, 652 flow [2024-11-08 12:23:32,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 275.5) internal successors, (1653), 6 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:32,641 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 12:23:32,642 INFO L204 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] [2024-11-08 12:23:32,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 12:23:32,643 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-08 12:23:32,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:32,645 INFO L85 PathProgramCache]: Analyzing trace with hash 575679014, now seen corresponding path program 1 times [2024-11-08 12:23:32,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:32,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782851359] [2024-11-08 12:23:32,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:32,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:32,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:23:32,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:23:32,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782851359] [2024-11-08 12:23:32,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782851359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:32,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:32,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:23:32,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124953623] [2024-11-08 12:23:32,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:32,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:23:32,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:32,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:23:32,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:23:32,785 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 348 [2024-11-08 12:23:32,788 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 314 transitions, 652 flow. Second operand has 3 states, 3 states have (on average 324.3333333333333) internal successors, (973), 3 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:32,789 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 12:23:32,789 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 348 [2024-11-08 12:23:32,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 12:23:32,907 INFO L124 PetriNetUnfolderBase]: 24/491 cut-off events. [2024-11-08 12:23:32,907 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-08 12:23:32,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 537 conditions, 491 events. 24/491 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1444 event pairs, 8 based on Foata normal form. 0/421 useless extension candidates. Maximal degree in co-relation 504. Up to 28 conditions per place. [2024-11-08 12:23:32,913 INFO L140 encePairwiseOnDemand]: 345/348 looper letters, 11 selfloop transitions, 2 changer transitions 0/313 dead transitions. [2024-11-08 12:23:32,913 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 313 transitions, 676 flow [2024-11-08 12:23:32,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:23:32,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 12:23:32,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 983 transitions. [2024-11-08 12:23:32,917 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9415708812260536 [2024-11-08 12:23:32,918 INFO L175 Difference]: Start difference. First operand has 312 places, 314 transitions, 652 flow. Second operand 3 states and 983 transitions. [2024-11-08 12:23:32,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 313 transitions, 676 flow [2024-11-08 12:23:32,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 313 transitions, 656 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 12:23:32,926 INFO L231 Difference]: Finished difference. Result has 308 places, 313 transitions, 634 flow [2024-11-08 12:23:32,926 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=630, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=634, PETRI_PLACES=308, PETRI_TRANSITIONS=313} [2024-11-08 12:23:32,927 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, -10 predicate places. [2024-11-08 12:23:32,927 INFO L471 AbstractCegarLoop]: Abstraction has has 308 places, 313 transitions, 634 flow [2024-11-08 12:23:32,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 324.3333333333333) internal successors, (973), 3 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:32,929 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 12:23:32,929 INFO L204 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] [2024-11-08 12:23:32,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 12:23:32,929 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-08 12:23:32,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:32,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1714382994, now seen corresponding path program 1 times [2024-11-08 12:23:32,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:32,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988708835] [2024-11-08 12:23:32,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:32,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:33,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:23:33,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:23:33,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988708835] [2024-11-08 12:23:33,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988708835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:33,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:33,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:23:33,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767862408] [2024-11-08 12:23:33,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:33,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:23:33,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:33,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:23:33,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:23:33,085 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 325 out of 348 [2024-11-08 12:23:33,087 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 313 transitions, 634 flow. Second operand has 3 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:33,087 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 12:23:33,088 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 325 of 348 [2024-11-08 12:23:33,088 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 12:23:33,209 INFO L124 PetriNetUnfolderBase]: 19/472 cut-off events. [2024-11-08 12:23:33,209 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-08 12:23:33,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 497 conditions, 472 events. 19/472 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1435 event pairs, 3 based on Foata normal form. 0/404 useless extension candidates. Maximal degree in co-relation 377. Up to 16 conditions per place. [2024-11-08 12:23:33,215 INFO L140 encePairwiseOnDemand]: 345/348 looper letters, 9 selfloop transitions, 2 changer transitions 0/312 dead transitions. [2024-11-08 12:23:33,215 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 312 transitions, 654 flow [2024-11-08 12:23:33,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:23:33,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 12:23:33,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 987 transitions. [2024-11-08 12:23:33,219 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9454022988505747 [2024-11-08 12:23:33,219 INFO L175 Difference]: Start difference. First operand has 308 places, 313 transitions, 634 flow. Second operand 3 states and 987 transitions. [2024-11-08 12:23:33,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 312 transitions, 654 flow [2024-11-08 12:23:33,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 312 transitions, 650 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 12:23:33,227 INFO L231 Difference]: Finished difference. Result has 307 places, 312 transitions, 632 flow [2024-11-08 12:23:33,227 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=632, PETRI_PLACES=307, PETRI_TRANSITIONS=312} [2024-11-08 12:23:33,228 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, -11 predicate places. [2024-11-08 12:23:33,229 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 312 transitions, 632 flow [2024-11-08 12:23:33,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:33,230 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 12:23:33,230 INFO L204 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] [2024-11-08 12:23:33,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 12:23:33,231 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-08 12:23:33,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:33,231 INFO L85 PathProgramCache]: Analyzing trace with hash -701771266, now seen corresponding path program 1 times [2024-11-08 12:23:33,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:33,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120820760] [2024-11-08 12:23:33,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:33,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:33,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:23:33,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:23:33,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120820760] [2024-11-08 12:23:33,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120820760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:33,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:33,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:23:33,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847790874] [2024-11-08 12:23:33,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:33,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:23:33,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:33,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:23:33,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:23:33,326 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 325 out of 348 [2024-11-08 12:23:33,328 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 312 transitions, 632 flow. Second operand has 3 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:33,328 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 12:23:33,328 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 325 of 348 [2024-11-08 12:23:33,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 12:23:33,409 INFO L124 PetriNetUnfolderBase]: 16/399 cut-off events. [2024-11-08 12:23:33,410 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-11-08 12:23:33,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 424 conditions, 399 events. 16/399 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 972 event pairs, 3 based on Foata normal form. 0/347 useless extension candidates. Maximal degree in co-relation 296. Up to 16 conditions per place. [2024-11-08 12:23:33,414 INFO L140 encePairwiseOnDemand]: 345/348 looper letters, 9 selfloop transitions, 2 changer transitions 0/311 dead transitions. [2024-11-08 12:23:33,415 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 311 transitions, 652 flow [2024-11-08 12:23:33,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:23:33,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 12:23:33,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 987 transitions. [2024-11-08 12:23:33,418 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9454022988505747 [2024-11-08 12:23:33,419 INFO L175 Difference]: Start difference. First operand has 307 places, 312 transitions, 632 flow. Second operand 3 states and 987 transitions. [2024-11-08 12:23:33,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 311 transitions, 652 flow [2024-11-08 12:23:33,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 311 transitions, 648 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 12:23:33,441 INFO L231 Difference]: Finished difference. Result has 306 places, 311 transitions, 630 flow [2024-11-08 12:23:33,442 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=626, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=630, PETRI_PLACES=306, PETRI_TRANSITIONS=311} [2024-11-08 12:23:33,443 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, -12 predicate places. [2024-11-08 12:23:33,443 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 311 transitions, 630 flow [2024-11-08 12:23:33,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:33,445 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 12:23:33,445 INFO L204 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] [2024-11-08 12:23:33,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 12:23:33,446 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-08 12:23:33,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:33,446 INFO L85 PathProgramCache]: Analyzing trace with hash -134120358, now seen corresponding path program 1 times [2024-11-08 12:23:33,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:33,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346714764] [2024-11-08 12:23:33,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:33,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:33,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:23:33,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:23:33,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346714764] [2024-11-08 12:23:33,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346714764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:33,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:33,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:23:33,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121331506] [2024-11-08 12:23:33,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:33,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:23:33,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:33,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:23:33,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:23:33,538 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 348 [2024-11-08 12:23:33,540 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 311 transitions, 630 flow. Second operand has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:33,541 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 12:23:33,541 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 348 [2024-11-08 12:23:33,541 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 12:23:33,658 INFO L124 PetriNetUnfolderBase]: 33/688 cut-off events. [2024-11-08 12:23:33,658 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-08 12:23:33,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 725 conditions, 688 events. 33/688 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3004 event pairs, 5 based on Foata normal form. 0/587 useless extension candidates. Maximal degree in co-relation 589. Up to 25 conditions per place. [2024-11-08 12:23:33,665 INFO L140 encePairwiseOnDemand]: 344/348 looper letters, 10 selfloop transitions, 2 changer transitions 0/312 dead transitions. [2024-11-08 12:23:33,665 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 312 transitions, 657 flow [2024-11-08 12:23:33,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:23:33,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 12:23:33,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 995 transitions. [2024-11-08 12:23:33,668 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9530651340996169 [2024-11-08 12:23:33,669 INFO L175 Difference]: Start difference. First operand has 306 places, 311 transitions, 630 flow. Second operand 3 states and 995 transitions. [2024-11-08 12:23:33,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 312 transitions, 657 flow [2024-11-08 12:23:33,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 312 transitions, 653 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 12:23:33,678 INFO L231 Difference]: Finished difference. Result has 305 places, 311 transitions, 636 flow [2024-11-08 12:23:33,678 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=636, PETRI_PLACES=305, PETRI_TRANSITIONS=311} [2024-11-08 12:23:33,679 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, -13 predicate places. [2024-11-08 12:23:33,679 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 311 transitions, 636 flow [2024-11-08 12:23:33,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:33,681 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 12:23:33,681 INFO L204 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] [2024-11-08 12:23:33,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 12:23:33,682 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-08 12:23:33,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:33,683 INFO L85 PathProgramCache]: Analyzing trace with hash 623748928, now seen corresponding path program 1 times [2024-11-08 12:23:33,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:33,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296012376] [2024-11-08 12:23:33,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:33,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:33,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:23:33,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:23:33,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296012376] [2024-11-08 12:23:33,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296012376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:33,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:33,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:23:33,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595988862] [2024-11-08 12:23:33,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:33,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:23:33,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:33,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:23:33,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:23:33,761 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 348 [2024-11-08 12:23:33,763 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 311 transitions, 636 flow. Second operand has 3 states, 3 states have (on average 328.6666666666667) internal successors, (986), 3 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:33,763 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 12:23:33,763 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 348 [2024-11-08 12:23:33,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 12:23:33,898 INFO L124 PetriNetUnfolderBase]: 34/666 cut-off events. [2024-11-08 12:23:33,898 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-08 12:23:33,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 711 conditions, 666 events. 34/666 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3083 event pairs, 3 based on Foata normal form. 0/572 useless extension candidates. Maximal degree in co-relation 492. Up to 26 conditions per place. [2024-11-08 12:23:33,904 INFO L140 encePairwiseOnDemand]: 344/348 looper letters, 10 selfloop transitions, 2 changer transitions 0/312 dead transitions. [2024-11-08 12:23:33,904 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 312 transitions, 663 flow [2024-11-08 12:23:33,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:23:33,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 12:23:33,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 995 transitions. [2024-11-08 12:23:33,907 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9530651340996169 [2024-11-08 12:23:33,908 INFO L175 Difference]: Start difference. First operand has 305 places, 311 transitions, 636 flow. Second operand 3 states and 995 transitions. [2024-11-08 12:23:33,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 312 transitions, 663 flow [2024-11-08 12:23:33,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 312 transitions, 663 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 12:23:33,915 INFO L231 Difference]: Finished difference. Result has 306 places, 311 transitions, 646 flow [2024-11-08 12:23:33,916 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=646, PETRI_PLACES=306, PETRI_TRANSITIONS=311} [2024-11-08 12:23:33,916 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, -12 predicate places. [2024-11-08 12:23:33,917 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 311 transitions, 646 flow [2024-11-08 12:23:33,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.6666666666667) internal successors, (986), 3 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:33,918 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 12:23:33,918 INFO L204 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] [2024-11-08 12:23:33,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 12:23:33,919 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-08 12:23:33,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:33,920 INFO L85 PathProgramCache]: Analyzing trace with hash 266617591, now seen corresponding path program 1 times [2024-11-08 12:23:33,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:33,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182793236] [2024-11-08 12:23:33,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:33,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:33,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:23:33,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:23:33,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182793236] [2024-11-08 12:23:33,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182793236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:33,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:33,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:23:33,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877975807] [2024-11-08 12:23:33,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:33,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:23:33,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:33,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:23:33,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:23:34,004 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 348 [2024-11-08 12:23:34,006 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 311 transitions, 646 flow. Second operand has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:34,006 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 12:23:34,007 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 348 [2024-11-08 12:23:34,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 12:23:34,253 INFO L124 PetriNetUnfolderBase]: 82/1054 cut-off events. [2024-11-08 12:23:34,254 INFO L125 PetriNetUnfolderBase]: For 16/17 co-relation queries the response was YES. [2024-11-08 12:23:34,258 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1191 conditions, 1054 events. 82/1054 cut-off events. For 16/17 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5525 event pairs, 12 based on Foata normal form. 0/906 useless extension candidates. Maximal degree in co-relation 950. Up to 94 conditions per place. [2024-11-08 12:23:34,262 INFO L140 encePairwiseOnDemand]: 342/348 looper letters, 16 selfloop transitions, 2 changer transitions 0/312 dead transitions. [2024-11-08 12:23:34,263 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 312 transitions, 687 flow [2024-11-08 12:23:34,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:23:34,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 12:23:34,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 985 transitions. [2024-11-08 12:23:34,266 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9434865900383141 [2024-11-08 12:23:34,266 INFO L175 Difference]: Start difference. First operand has 306 places, 311 transitions, 646 flow. Second operand 3 states and 985 transitions. [2024-11-08 12:23:34,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 312 transitions, 687 flow [2024-11-08 12:23:34,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 312 transitions, 687 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 12:23:34,273 INFO L231 Difference]: Finished difference. Result has 305 places, 309 transitions, 652 flow [2024-11-08 12:23:34,274 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=638, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=652, PETRI_PLACES=305, PETRI_TRANSITIONS=309} [2024-11-08 12:23:34,276 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, -13 predicate places. [2024-11-08 12:23:34,276 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 309 transitions, 652 flow [2024-11-08 12:23:34,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:34,277 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 12:23:34,277 INFO L204 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] [2024-11-08 12:23:34,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 12:23:34,278 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-08 12:23:34,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:34,281 INFO L85 PathProgramCache]: Analyzing trace with hash 823895236, now seen corresponding path program 1 times [2024-11-08 12:23:34,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:34,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012140181] [2024-11-08 12:23:34,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:34,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:34,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:23:34,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:23:34,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012140181] [2024-11-08 12:23:34,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012140181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:34,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:34,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:23:34,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363629252] [2024-11-08 12:23:34,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:34,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:23:34,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:34,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:23:34,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:23:34,391 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 348 [2024-11-08 12:23:34,393 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 309 transitions, 652 flow. Second operand has 3 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:34,393 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 12:23:34,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 348 [2024-11-08 12:23:34,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 12:23:34,609 INFO L124 PetriNetUnfolderBase]: 89/1090 cut-off events. [2024-11-08 12:23:34,610 INFO L125 PetriNetUnfolderBase]: For 17/22 co-relation queries the response was YES. [2024-11-08 12:23:34,615 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1259 conditions, 1090 events. 89/1090 cut-off events. For 17/22 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5980 event pairs, 13 based on Foata normal form. 0/963 useless extension candidates. Maximal degree in co-relation 1016. Up to 100 conditions per place. [2024-11-08 12:23:34,620 INFO L140 encePairwiseOnDemand]: 342/348 looper letters, 16 selfloop transitions, 2 changer transitions 0/310 dead transitions. [2024-11-08 12:23:34,620 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 310 transitions, 693 flow [2024-11-08 12:23:34,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:23:34,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 12:23:34,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 985 transitions. [2024-11-08 12:23:34,624 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9434865900383141 [2024-11-08 12:23:34,624 INFO L175 Difference]: Start difference. First operand has 305 places, 309 transitions, 652 flow. Second operand 3 states and 985 transitions. [2024-11-08 12:23:34,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 310 transitions, 693 flow [2024-11-08 12:23:34,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 310 transitions, 693 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 12:23:34,653 INFO L231 Difference]: Finished difference. Result has 304 places, 307 transitions, 658 flow [2024-11-08 12:23:34,654 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=658, PETRI_PLACES=304, PETRI_TRANSITIONS=307} [2024-11-08 12:23:34,657 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, -14 predicate places. [2024-11-08 12:23:34,657 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 307 transitions, 658 flow [2024-11-08 12:23:34,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:34,658 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 12:23:34,659 INFO L204 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] [2024-11-08 12:23:34,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 12:23:34,659 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-08 12:23:34,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:34,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1428439173, now seen corresponding path program 1 times [2024-11-08 12:23:34,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:34,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668898903] [2024-11-08 12:23:34,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:34,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:34,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:23:34,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:23:34,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668898903] [2024-11-08 12:23:34,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668898903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:34,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:34,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:23:34,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101210419] [2024-11-08 12:23:34,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:34,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 12:23:34,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:34,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 12:23:34,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 12:23:35,052 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 348 [2024-11-08 12:23:35,055 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 307 transitions, 658 flow. Second operand has 5 states, 5 states have (on average 317.4) internal successors, (1587), 5 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:35,056 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 12:23:35,056 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 348 [2024-11-08 12:23:35,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 12:23:35,246 INFO L124 PetriNetUnfolderBase]: 33/659 cut-off events. [2024-11-08 12:23:35,246 INFO L125 PetriNetUnfolderBase]: For 6/9 co-relation queries the response was YES. [2024-11-08 12:23:35,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 754 conditions, 659 events. 33/659 cut-off events. For 6/9 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2640 event pairs, 0 based on Foata normal form. 4/602 useless extension candidates. Maximal degree in co-relation 524. Up to 14 conditions per place. [2024-11-08 12:23:35,252 INFO L140 encePairwiseOnDemand]: 332/348 looper letters, 14 selfloop transitions, 12 changer transitions 0/309 dead transitions. [2024-11-08 12:23:35,252 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 309 transitions, 714 flow [2024-11-08 12:23:35,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:23:35,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-08 12:23:35,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1600 transitions. [2024-11-08 12:23:35,257 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9195402298850575 [2024-11-08 12:23:35,257 INFO L175 Difference]: Start difference. First operand has 304 places, 307 transitions, 658 flow. Second operand 5 states and 1600 transitions. [2024-11-08 12:23:35,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 309 transitions, 714 flow [2024-11-08 12:23:35,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 309 transitions, 714 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 12:23:35,264 INFO L231 Difference]: Finished difference. Result has 309 places, 309 transitions, 702 flow [2024-11-08 12:23:35,265 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=658, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=702, PETRI_PLACES=309, PETRI_TRANSITIONS=309} [2024-11-08 12:23:35,266 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, -9 predicate places. [2024-11-08 12:23:35,266 INFO L471 AbstractCegarLoop]: Abstraction has has 309 places, 309 transitions, 702 flow [2024-11-08 12:23:35,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 317.4) internal successors, (1587), 5 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:35,268 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 12:23:35,268 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:23:35,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 12:23:35,269 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-08 12:23:35,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:35,269 INFO L85 PathProgramCache]: Analyzing trace with hash -333096715, now seen corresponding path program 1 times [2024-11-08 12:23:35,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:35,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375374604] [2024-11-08 12:23:35,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:35,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:35,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 12:23:35,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:23:35,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375374604] [2024-11-08 12:23:35,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375374604] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:23:35,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551933726] [2024-11-08 12:23:35,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:35,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:23:35,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:23:35,577 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:23:35,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 12:23:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:35,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 12:23:35,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:23:35,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 12:23:35,980 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:23:36,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 12:23:36,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551933726] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:23:36,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:23:36,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-08 12:23:36,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003633802] [2024-11-08 12:23:36,164 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:23:36,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 12:23:36,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:36,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 12:23:36,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-08 12:23:36,894 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 348 [2024-11-08 12:23:36,901 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 309 transitions, 702 flow. Second operand has 15 states, 15 states have (on average 308.93333333333334) internal successors, (4634), 15 states have internal predecessors, (4634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:36,902 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 12:23:36,902 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 348 [2024-11-08 12:23:36,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 12:23:37,358 INFO L124 PetriNetUnfolderBase]: 31/693 cut-off events. [2024-11-08 12:23:37,358 INFO L125 PetriNetUnfolderBase]: For 16/19 co-relation queries the response was YES. [2024-11-08 12:23:37,362 INFO L83 FinitePrefix]: Finished finitePrefix Result has 836 conditions, 693 events. 31/693 cut-off events. For 16/19 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2584 event pairs, 0 based on Foata normal form. 8/640 useless extension candidates. Maximal degree in co-relation 598. Up to 14 conditions per place. [2024-11-08 12:23:37,368 INFO L140 encePairwiseOnDemand]: 326/348 looper letters, 26 selfloop transitions, 26 changer transitions 0/327 dead transitions. [2024-11-08 12:23:37,368 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 327 transitions, 842 flow [2024-11-08 12:23:37,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 12:23:37,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-08 12:23:37,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3426 transitions. [2024-11-08 12:23:37,377 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8949843260188087 [2024-11-08 12:23:37,377 INFO L175 Difference]: Start difference. First operand has 309 places, 309 transitions, 702 flow. Second operand 11 states and 3426 transitions. [2024-11-08 12:23:37,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 327 transitions, 842 flow [2024-11-08 12:23:37,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 327 transitions, 822 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-08 12:23:37,386 INFO L231 Difference]: Finished difference. Result has 319 places, 319 transitions, 794 flow [2024-11-08 12:23:37,387 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=674, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=794, PETRI_PLACES=319, PETRI_TRANSITIONS=319} [2024-11-08 12:23:37,387 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 1 predicate places. [2024-11-08 12:23:37,388 INFO L471 AbstractCegarLoop]: Abstraction has has 319 places, 319 transitions, 794 flow [2024-11-08 12:23:37,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 308.93333333333334) internal successors, (4634), 15 states have internal predecessors, (4634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:37,391 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 12:23:37,392 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:23:37,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 12:23:37,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:23:37,593 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-08 12:23:37,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:37,594 INFO L85 PathProgramCache]: Analyzing trace with hash 252679145, now seen corresponding path program 2 times [2024-11-08 12:23:37,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:37,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081034032] [2024-11-08 12:23:37,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:37,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:38,196 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-08 12:23:38,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:23:38,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081034032] [2024-11-08 12:23:38,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081034032] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:23:38,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903185245] [2024-11-08 12:23:38,197 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 12:23:38,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:23:38,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:23:38,200 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:23:38,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 12:23:38,415 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-08 12:23:38,415 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:23:38,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 12:23:38,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:23:38,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-08 12:23:38,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-08 12:23:38,568 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:23:38,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-08 12:23:38,630 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 12:23:38,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-08 12:23:38,682 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-08 12:23:38,683 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:23:38,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903185245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:38,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 12:23:38,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2024-11-08 12:23:38,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663299233] [2024-11-08 12:23:38,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:38,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:23:38,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:38,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:23:38,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-08 12:23:39,474 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 348 [2024-11-08 12:23:39,478 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 319 transitions, 794 flow. Second operand has 6 states, 6 states have (on average 312.8333333333333) internal successors, (1877), 6 states have internal predecessors, (1877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:39,478 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 12:23:39,478 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 348 [2024-11-08 12:23:39,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 12:23:39,770 INFO L124 PetriNetUnfolderBase]: 48/807 cut-off events. [2024-11-08 12:23:39,771 INFO L125 PetriNetUnfolderBase]: For 21/22 co-relation queries the response was YES. [2024-11-08 12:23:39,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1082 conditions, 807 events. 48/807 cut-off events. For 21/22 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3568 event pairs, 2 based on Foata normal form. 0/744 useless extension candidates. Maximal degree in co-relation 821. Up to 48 conditions per place. [2024-11-08 12:23:39,778 INFO L140 encePairwiseOnDemand]: 341/348 looper letters, 27 selfloop transitions, 5 changer transitions 0/323 dead transitions. [2024-11-08 12:23:39,779 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 323 transitions, 872 flow [2024-11-08 12:23:39,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:23:39,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 12:23:39,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1894 transitions. [2024-11-08 12:23:39,785 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.907088122605364 [2024-11-08 12:23:39,786 INFO L175 Difference]: Start difference. First operand has 319 places, 319 transitions, 794 flow. Second operand 6 states and 1894 transitions. [2024-11-08 12:23:39,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 323 transitions, 872 flow [2024-11-08 12:23:39,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 323 transitions, 848 flow, removed 4 selfloop flow, removed 3 redundant places. [2024-11-08 12:23:39,797 INFO L231 Difference]: Finished difference. Result has 319 places, 317 transitions, 776 flow [2024-11-08 12:23:39,798 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=766, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=776, PETRI_PLACES=319, PETRI_TRANSITIONS=317} [2024-11-08 12:23:39,799 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 1 predicate places. [2024-11-08 12:23:39,799 INFO L471 AbstractCegarLoop]: Abstraction has has 319 places, 317 transitions, 776 flow [2024-11-08 12:23:39,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 312.8333333333333) internal successors, (1877), 6 states have internal predecessors, (1877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:39,801 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 12:23:39,801 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:23:39,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 12:23:40,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:23:40,003 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-08 12:23:40,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:40,004 INFO L85 PathProgramCache]: Analyzing trace with hash -2014251882, now seen corresponding path program 1 times [2024-11-08 12:23:40,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:40,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953862813] [2024-11-08 12:23:40,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:40,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:40,597 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-08 12:23:40,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:23:40,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953862813] [2024-11-08 12:23:40,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953862813] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:23:40,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380588277] [2024-11-08 12:23:40,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:40,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:23:40,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 12:23:40,601 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:23:40,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 12:23:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:40,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 12:23:40,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:23:41,350 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-08 12:23:41,351 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:23:41,635 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-08 12:23:41,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380588277] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:23:41,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:23:41,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2024-11-08 12:23:41,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496862978] [2024-11-08 12:23:41,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:23:41,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-08 12:23:41,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:41,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-08 12:23:41,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2024-11-08 12:23:42,731 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 348 [2024-11-08 12:23:42,741 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 317 transitions, 776 flow. Second operand has 22 states, 22 states have (on average 308.95454545454544) internal successors, (6797), 22 states have internal predecessors, (6797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:42,741 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 12:23:42,741 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 348 [2024-11-08 12:23:42,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 12:23:43,496 INFO L124 PetriNetUnfolderBase]: 29/765 cut-off events. [2024-11-08 12:23:43,496 INFO L125 PetriNetUnfolderBase]: For 45/49 co-relation queries the response was YES. [2024-11-08 12:23:43,499 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1011 conditions, 765 events. 29/765 cut-off events. For 45/49 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2715 event pairs, 0 based on Foata normal form. 4/715 useless extension candidates. Maximal degree in co-relation 726. Up to 19 conditions per place. [2024-11-08 12:23:43,502 INFO L140 encePairwiseOnDemand]: 328/348 looper letters, 34 selfloop transitions, 38 changer transitions 0/345 dead transitions. [2024-11-08 12:23:43,502 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 345 transitions, 1032 flow [2024-11-08 12:23:43,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 12:23:43,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-08 12:23:43,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 5278 transitions. [2024-11-08 12:23:43,515 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8921568627450981 [2024-11-08 12:23:43,515 INFO L175 Difference]: Start difference. First operand has 319 places, 317 transitions, 776 flow. Second operand 17 states and 5278 transitions. [2024-11-08 12:23:43,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 345 transitions, 1032 flow [2024-11-08 12:23:43,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 330 places, 345 transitions, 1022 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 12:23:43,524 INFO L231 Difference]: Finished difference. Result has 333 places, 331 transitions, 950 flow [2024-11-08 12:23:43,525 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=766, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=950, PETRI_PLACES=333, PETRI_TRANSITIONS=331} [2024-11-08 12:23:43,526 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 15 predicate places. [2024-11-08 12:23:43,526 INFO L471 AbstractCegarLoop]: Abstraction has has 333 places, 331 transitions, 950 flow [2024-11-08 12:23:43,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 308.95454545454544) internal successors, (6797), 22 states have internal predecessors, (6797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:43,529 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 12:23:43,530 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:23:43,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 12:23:43,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:23:43,731 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-08 12:23:43,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:43,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1728477046, now seen corresponding path program 2 times [2024-11-08 12:23:43,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:43,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487061254] [2024-11-08 12:23:43,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:43,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:45,259 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-08 12:23:45,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:23:45,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487061254] [2024-11-08 12:23:45,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487061254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:45,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:45,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:23:45,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527352297] [2024-11-08 12:23:45,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:45,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:23:45,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:45,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:23:45,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:23:46,016 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 348 [2024-11-08 12:23:46,019 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 333 places, 331 transitions, 950 flow. Second operand has 6 states, 6 states have (on average 313.0) internal successors, (1878), 6 states have internal predecessors, (1878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:46,019 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 12:23:46,019 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 348 [2024-11-08 12:23:46,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 12:23:46,345 INFO L124 PetriNetUnfolderBase]: 61/848 cut-off events. [2024-11-08 12:23:46,345 INFO L125 PetriNetUnfolderBase]: For 87/89 co-relation queries the response was YES. [2024-11-08 12:23:46,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1195 conditions, 848 events. 61/848 cut-off events. For 87/89 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3622 event pairs, 3 based on Foata normal form. 0/787 useless extension candidates. Maximal degree in co-relation 781. Up to 64 conditions per place. [2024-11-08 12:23:46,352 INFO L140 encePairwiseOnDemand]: 341/348 looper letters, 26 selfloop transitions, 5 changer transitions 0/334 dead transitions. [2024-11-08 12:23:46,352 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 334 transitions, 1023 flow [2024-11-08 12:23:46,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:23:46,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 12:23:46,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1893 transitions. [2024-11-08 12:23:46,361 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9066091954022989 [2024-11-08 12:23:46,362 INFO L175 Difference]: Start difference. First operand has 333 places, 331 transitions, 950 flow. Second operand 6 states and 1893 transitions. [2024-11-08 12:23:46,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 334 transitions, 1023 flow [2024-11-08 12:23:46,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 334 transitions, 971 flow, removed 8 selfloop flow, removed 8 redundant places. [2024-11-08 12:23:46,373 INFO L231 Difference]: Finished difference. Result has 328 places, 329 transitions, 904 flow [2024-11-08 12:23:46,374 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=894, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=904, PETRI_PLACES=328, PETRI_TRANSITIONS=329} [2024-11-08 12:23:46,375 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 10 predicate places. [2024-11-08 12:23:46,375 INFO L471 AbstractCegarLoop]: Abstraction has has 328 places, 329 transitions, 904 flow [2024-11-08 12:23:46,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 313.0) internal successors, (1878), 6 states have internal predecessors, (1878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:46,376 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 12:23:46,377 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:23:46,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 12:23:46,377 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-08 12:23:46,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:46,378 INFO L85 PathProgramCache]: Analyzing trace with hash 270478851, now seen corresponding path program 1 times [2024-11-08 12:23:46,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:46,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970188268] [2024-11-08 12:23:46,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:46,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:47,633 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-08 12:23:47,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:23:47,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970188268] [2024-11-08 12:23:47,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970188268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:47,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:47,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:23:47,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575621795] [2024-11-08 12:23:47,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:47,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:23:47,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:47,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:23:47,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:23:48,395 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 348 [2024-11-08 12:23:48,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 329 transitions, 904 flow. Second operand has 6 states, 6 states have (on average 312.8333333333333) internal successors, (1877), 6 states have internal predecessors, (1877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:48,401 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 12:23:48,401 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 348 [2024-11-08 12:23:48,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 12:23:48,724 INFO L124 PetriNetUnfolderBase]: 41/870 cut-off events. [2024-11-08 12:23:48,724 INFO L125 PetriNetUnfolderBase]: For 66/68 co-relation queries the response was YES. [2024-11-08 12:23:48,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1207 conditions, 870 events. 41/870 cut-off events. For 66/68 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3536 event pairs, 2 based on Foata normal form. 0/818 useless extension candidates. Maximal degree in co-relation 935. Up to 64 conditions per place. [2024-11-08 12:23:48,733 INFO L140 encePairwiseOnDemand]: 341/348 looper letters, 27 selfloop transitions, 5 changer transitions 0/333 dead transitions. [2024-11-08 12:23:48,734 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 333 transitions, 982 flow [2024-11-08 12:23:48,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:23:48,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 12:23:48,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1894 transitions. [2024-11-08 12:23:48,739 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.907088122605364 [2024-11-08 12:23:48,739 INFO L175 Difference]: Start difference. First operand has 328 places, 329 transitions, 904 flow. Second operand 6 states and 1894 transitions. [2024-11-08 12:23:48,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 333 transitions, 982 flow [2024-11-08 12:23:48,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 333 transitions, 972 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 12:23:48,797 INFO L231 Difference]: Finished difference. Result has 326 places, 327 transitions, 900 flow [2024-11-08 12:23:48,799 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=900, PETRI_PLACES=326, PETRI_TRANSITIONS=327} [2024-11-08 12:23:48,800 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 8 predicate places. [2024-11-08 12:23:48,800 INFO L471 AbstractCegarLoop]: Abstraction has has 326 places, 327 transitions, 900 flow [2024-11-08 12:23:48,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 312.8333333333333) internal successors, (1877), 6 states have internal predecessors, (1877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:48,801 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 12:23:48,802 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:23:48,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 12:23:48,803 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-08 12:23:48,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:48,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1884478416, now seen corresponding path program 1 times [2024-11-08 12:23:48,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:48,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65666349] [2024-11-08 12:23:48,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:48,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:50,074 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-08 12:23:50,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:23:50,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65666349] [2024-11-08 12:23:50,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65666349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:50,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:50,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 12:23:50,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834057812] [2024-11-08 12:23:50,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:50,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 12:23:50,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:50,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 12:23:50,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 12:23:50,792 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 348 [2024-11-08 12:23:50,795 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 327 transitions, 900 flow. Second operand has 6 states, 6 states have (on average 313.0) internal successors, (1878), 6 states have internal predecessors, (1878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:50,795 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 12:23:50,796 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 348 [2024-11-08 12:23:50,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 12:23:51,130 INFO L124 PetriNetUnfolderBase]: 68/903 cut-off events. [2024-11-08 12:23:51,130 INFO L125 PetriNetUnfolderBase]: For 103/106 co-relation queries the response was YES. [2024-11-08 12:23:51,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1254 conditions, 903 events. 68/903 cut-off events. For 103/106 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 3978 event pairs, 5 based on Foata normal form. 0/843 useless extension candidates. Maximal degree in co-relation 874. Up to 73 conditions per place. [2024-11-08 12:23:51,139 INFO L140 encePairwiseOnDemand]: 341/348 looper letters, 26 selfloop transitions, 5 changer transitions 0/330 dead transitions. [2024-11-08 12:23:51,139 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 330 transitions, 973 flow [2024-11-08 12:23:51,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:23:51,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 12:23:51,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1893 transitions. [2024-11-08 12:23:51,145 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9066091954022989 [2024-11-08 12:23:51,145 INFO L175 Difference]: Start difference. First operand has 326 places, 327 transitions, 900 flow. Second operand 6 states and 1893 transitions. [2024-11-08 12:23:51,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 330 transitions, 973 flow [2024-11-08 12:23:51,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 330 transitions, 963 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 12:23:51,154 INFO L231 Difference]: Finished difference. Result has 324 places, 325 transitions, 896 flow [2024-11-08 12:23:51,155 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=896, PETRI_PLACES=324, PETRI_TRANSITIONS=325} [2024-11-08 12:23:51,156 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 6 predicate places. [2024-11-08 12:23:51,156 INFO L471 AbstractCegarLoop]: Abstraction has has 324 places, 325 transitions, 896 flow [2024-11-08 12:23:51,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 313.0) internal successors, (1878), 6 states have internal predecessors, (1878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:51,158 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 12:23:51,158 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:23:51,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 12:23:51,159 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-08 12:23:51,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:51,160 INFO L85 PathProgramCache]: Analyzing trace with hash 758995127, now seen corresponding path program 1 times [2024-11-08 12:23:51,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:51,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742295642] [2024-11-08 12:23:51,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:51,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:51,328 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-08 12:23:51,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:23:51,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742295642] [2024-11-08 12:23:51,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742295642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:51,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:51,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:23:51,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346390849] [2024-11-08 12:23:51,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:51,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:23:51,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:51,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:23:51,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:23:51,348 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 348 [2024-11-08 12:23:51,349 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 325 transitions, 896 flow. Second operand has 3 states, 3 states have (on average 329.3333333333333) internal successors, (988), 3 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:51,354 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 12:23:51,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 348 [2024-11-08 12:23:51,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 12:23:51,561 INFO L124 PetriNetUnfolderBase]: 34/756 cut-off events. [2024-11-08 12:23:51,562 INFO L125 PetriNetUnfolderBase]: For 63/66 co-relation queries the response was YES. [2024-11-08 12:23:51,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 988 conditions, 756 events. 34/756 cut-off events. For 63/66 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2637 event pairs, 2 based on Foata normal form. 0/722 useless extension candidates. Maximal degree in co-relation 764. Up to 27 conditions per place. [2024-11-08 12:23:51,569 INFO L140 encePairwiseOnDemand]: 345/348 looper letters, 8 selfloop transitions, 2 changer transitions 0/325 dead transitions. [2024-11-08 12:23:51,569 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 325 transitions, 917 flow [2024-11-08 12:23:51,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:23:51,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 12:23:51,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 995 transitions. [2024-11-08 12:23:51,573 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9530651340996169 [2024-11-08 12:23:51,573 INFO L175 Difference]: Start difference. First operand has 324 places, 325 transitions, 896 flow. Second operand 3 states and 995 transitions. [2024-11-08 12:23:51,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 325 transitions, 917 flow [2024-11-08 12:23:51,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 325 transitions, 907 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 12:23:51,582 INFO L231 Difference]: Finished difference. Result has 320 places, 324 transitions, 888 flow [2024-11-08 12:23:51,583 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=884, PETRI_DIFFERENCE_MINUEND_PLACES=318, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=324, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=888, PETRI_PLACES=320, PETRI_TRANSITIONS=324} [2024-11-08 12:23:51,584 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 2 predicate places. [2024-11-08 12:23:51,585 INFO L471 AbstractCegarLoop]: Abstraction has has 320 places, 324 transitions, 888 flow [2024-11-08 12:23:51,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 329.3333333333333) internal successors, (988), 3 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:51,586 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 12:23:51,586 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:23:51,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 12:23:51,587 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-08 12:23:51,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:51,587 INFO L85 PathProgramCache]: Analyzing trace with hash 831936144, now seen corresponding path program 1 times [2024-11-08 12:23:51,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:51,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772135994] [2024-11-08 12:23:51,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:51,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:51,808 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-08 12:23:51,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:23:51,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772135994] [2024-11-08 12:23:51,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772135994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:51,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:51,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:23:51,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207832760] [2024-11-08 12:23:51,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:51,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:23:51,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:51,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:23:51,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:23:51,825 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 348 [2024-11-08 12:23:51,827 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 324 transitions, 888 flow. Second operand has 3 states, 3 states have (on average 332.0) internal successors, (996), 3 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:51,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 12:23:51,828 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 348 [2024-11-08 12:23:51,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 12:23:52,038 INFO L124 PetriNetUnfolderBase]: 33/733 cut-off events. [2024-11-08 12:23:52,038 INFO L125 PetriNetUnfolderBase]: For 66/68 co-relation queries the response was YES. [2024-11-08 12:23:52,043 INFO L83 FinitePrefix]: Finished finitePrefix Result has 938 conditions, 733 events. 33/733 cut-off events. For 66/68 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2404 event pairs, 1 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 877. Up to 17 conditions per place. [2024-11-08 12:23:52,046 INFO L140 encePairwiseOnDemand]: 346/348 looper letters, 6 selfloop transitions, 1 changer transitions 0/323 dead transitions. [2024-11-08 12:23:52,046 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 323 transitions, 900 flow [2024-11-08 12:23:52,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:23:52,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 12:23:52,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 998 transitions. [2024-11-08 12:23:52,049 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9559386973180076 [2024-11-08 12:23:52,050 INFO L175 Difference]: Start difference. First operand has 320 places, 324 transitions, 888 flow. Second operand 3 states and 998 transitions. [2024-11-08 12:23:52,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 323 transitions, 900 flow [2024-11-08 12:23:52,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 323 transitions, 896 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 12:23:52,059 INFO L231 Difference]: Finished difference. Result has 319 places, 323 transitions, 884 flow [2024-11-08 12:23:52,060 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=884, PETRI_PLACES=319, PETRI_TRANSITIONS=323} [2024-11-08 12:23:52,060 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 1 predicate places. [2024-11-08 12:23:52,061 INFO L471 AbstractCegarLoop]: Abstraction has has 319 places, 323 transitions, 884 flow [2024-11-08 12:23:52,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 332.0) internal successors, (996), 3 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:52,062 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 12:23:52,063 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:23:52,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 12:23:52,063 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-08 12:23:52,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:52,064 INFO L85 PathProgramCache]: Analyzing trace with hash 626735851, now seen corresponding path program 1 times [2024-11-08 12:23:52,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:52,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110137268] [2024-11-08 12:23:52,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:52,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:52,218 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-08 12:23:52,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:23:52,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110137268] [2024-11-08 12:23:52,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110137268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:52,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:52,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:23:52,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828631177] [2024-11-08 12:23:52,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:52,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:23:52,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:52,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:23:52,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:23:52,231 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 348 [2024-11-08 12:23:52,233 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 323 transitions, 884 flow. Second operand has 3 states, 3 states have (on average 332.0) internal successors, (996), 3 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:52,233 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 12:23:52,233 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 348 [2024-11-08 12:23:52,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 12:23:52,417 INFO L124 PetriNetUnfolderBase]: 33/726 cut-off events. [2024-11-08 12:23:52,417 INFO L125 PetriNetUnfolderBase]: For 63/65 co-relation queries the response was YES. [2024-11-08 12:23:52,422 INFO L83 FinitePrefix]: Finished finitePrefix Result has 923 conditions, 726 events. 33/726 cut-off events. For 63/65 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2397 event pairs, 1 based on Foata normal form. 2/697 useless extension candidates. Maximal degree in co-relation 899. Up to 18 conditions per place. [2024-11-08 12:23:52,425 INFO L140 encePairwiseOnDemand]: 346/348 looper letters, 4 selfloop transitions, 0 changer transitions 4/322 dead transitions. [2024-11-08 12:23:52,425 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 322 transitions, 894 flow [2024-11-08 12:23:52,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:23:52,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 12:23:52,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 997 transitions. [2024-11-08 12:23:52,428 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9549808429118773 [2024-11-08 12:23:52,429 INFO L175 Difference]: Start difference. First operand has 319 places, 323 transitions, 884 flow. Second operand 3 states and 997 transitions. [2024-11-08 12:23:52,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 322 transitions, 894 flow [2024-11-08 12:23:52,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 322 transitions, 893 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 12:23:52,437 INFO L231 Difference]: Finished difference. Result has 319 places, 318 transitions, 871 flow [2024-11-08 12:23:52,438 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=881, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=871, PETRI_PLACES=319, PETRI_TRANSITIONS=318} [2024-11-08 12:23:52,439 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, 1 predicate places. [2024-11-08 12:23:52,439 INFO L471 AbstractCegarLoop]: Abstraction has has 319 places, 318 transitions, 871 flow [2024-11-08 12:23:52,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 332.0) internal successors, (996), 3 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:52,440 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 12:23:52,440 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:23:52,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 12:23:52,440 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-08 12:23:52,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:23:52,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1262058051, now seen corresponding path program 1 times [2024-11-08 12:23:52,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:23:52,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019537237] [2024-11-08 12:23:52,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:23:52,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:23:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:23:52,602 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-08 12:23:52,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:23:52,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019537237] [2024-11-08 12:23:52,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019537237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:23:52,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:23:52,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:23:52,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877635254] [2024-11-08 12:23:52,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:23:52,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:23:52,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:23:52,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:23:52,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:23:52,621 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 348 [2024-11-08 12:23:52,622 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 318 transitions, 871 flow. Second operand has 3 states, 3 states have (on average 329.6666666666667) internal successors, (989), 3 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:52,622 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 12:23:52,623 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 348 [2024-11-08 12:23:52,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 12:23:52,848 INFO L124 PetriNetUnfolderBase]: 38/725 cut-off events. [2024-11-08 12:23:52,848 INFO L125 PetriNetUnfolderBase]: For 69/71 co-relation queries the response was YES. [2024-11-08 12:23:52,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 933 conditions, 725 events. 38/725 cut-off events. For 69/71 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2343 event pairs, 2 based on Foata normal form. 0/695 useless extension candidates. Maximal degree in co-relation 919. Up to 21 conditions per place. [2024-11-08 12:23:52,856 INFO L140 encePairwiseOnDemand]: 345/348 looper letters, 0 selfloop transitions, 0 changer transitions 318/318 dead transitions. [2024-11-08 12:23:52,860 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 318 transitions, 888 flow [2024-11-08 12:23:52,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:23:52,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 12:23:52,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 993 transitions. [2024-11-08 12:23:52,864 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9511494252873564 [2024-11-08 12:23:52,865 INFO L175 Difference]: Start difference. First operand has 319 places, 318 transitions, 871 flow. Second operand 3 states and 993 transitions. [2024-11-08 12:23:52,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 318 transitions, 888 flow [2024-11-08 12:23:52,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 318 transitions, 888 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 12:23:52,873 INFO L231 Difference]: Finished difference. Result has 314 places, 0 transitions, 0 flow [2024-11-08 12:23:52,874 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=869, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=314, PETRI_TRANSITIONS=0} [2024-11-08 12:23:52,874 INFO L277 CegarLoopForPetriNet]: 318 programPoint places, -4 predicate places. [2024-11-08 12:23:52,875 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 0 transitions, 0 flow [2024-11-08 12:23:52,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 329.6666666666667) internal successors, (989), 3 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:23:52,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (53 of 54 remaining) [2024-11-08 12:23:52,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2024-11-08 12:23:52,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2024-11-08 12:23:52,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2024-11-08 12:23:52,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2024-11-08 12:23:52,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2024-11-08 12:23:52,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2024-11-08 12:23:52,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2024-11-08 12:23:52,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2024-11-08 12:23:52,885 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2024-11-08 12:23:52,885 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2024-11-08 12:23:52,885 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2024-11-08 12:23:52,886 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2024-11-08 12:23:52,886 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2024-11-08 12:23:52,886 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2024-11-08 12:23:52,886 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2024-11-08 12:23:52,887 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2024-11-08 12:23:52,887 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2024-11-08 12:23:52,887 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2024-11-08 12:23:52,887 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2024-11-08 12:23:52,888 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2024-11-08 12:23:52,888 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2024-11-08 12:23:52,888 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2024-11-08 12:23:52,888 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2024-11-08 12:23:52,889 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2024-11-08 12:23:52,889 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2024-11-08 12:23:52,889 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2024-11-08 12:23:52,889 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (26 of 54 remaining) [2024-11-08 12:23:52,890 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2024-11-08 12:23:52,890 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2024-11-08 12:23:52,890 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 54 remaining) [2024-11-08 12:23:52,890 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 54 remaining) [2024-11-08 12:23:52,891 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining) [2024-11-08 12:23:52,891 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining) [2024-11-08 12:23:52,891 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2024-11-08 12:23:52,891 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2024-11-08 12:23:52,891 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2024-11-08 12:23:52,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2024-11-08 12:23:52,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2024-11-08 12:23:52,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2024-11-08 12:23:52,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2024-11-08 12:23:52,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2024-11-08 12:23:52,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2024-11-08 12:23:52,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2024-11-08 12:23:52,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2024-11-08 12:23:52,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2024-11-08 12:23:52,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2024-11-08 12:23:52,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2024-11-08 12:23:52,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2024-11-08 12:23:52,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2024-11-08 12:23:52,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2024-11-08 12:23:52,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2024-11-08 12:23:52,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2024-11-08 12:23:52,896 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2024-11-08 12:23:52,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 12:23:52,896 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:23:52,907 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 12:23:52,907 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 12:23:52,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 12:23:52 BasicIcfg [2024-11-08 12:23:52,917 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 12:23:52,918 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 12:23:52,918 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 12:23:52,918 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 12:23:52,919 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:23:28" (3/4) ... [2024-11-08 12:23:52,921 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 12:23:52,927 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-08 12:23:52,927 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-08 12:23:52,936 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-08 12:23:52,936 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 12:23:52,937 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 12:23:52,937 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 12:23:53,087 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 12:23:53,087 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 12:23:53,088 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 12:23:53,088 INFO L158 Benchmark]: Toolchain (without parser) took 26217.25ms. Allocated memory was 125.8MB in the beginning and 505.4MB in the end (delta: 379.6MB). Free memory was 91.0MB in the beginning and 393.9MB in the end (delta: -302.9MB). Peak memory consumption was 78.6MB. Max. memory is 16.1GB. [2024-11-08 12:23:53,091 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 125.8MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 12:23:53,091 INFO L158 Benchmark]: CACSL2BoogieTranslator took 566.68ms. Allocated memory is still 125.8MB. Free memory was 91.0MB in the beginning and 76.2MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 12:23:53,092 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.67ms. Allocated memory is still 125.8MB. Free memory was 76.2MB in the beginning and 72.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 12:23:53,092 INFO L158 Benchmark]: Boogie Preprocessor took 95.59ms. Allocated memory is still 125.8MB. Free memory was 72.9MB in the beginning and 70.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 12:23:53,093 INFO L158 Benchmark]: RCFGBuilder took 1200.75ms. Allocated memory is still 125.8MB. Free memory was 70.0MB in the beginning and 91.7MB in the end (delta: -21.6MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2024-11-08 12:23:53,093 INFO L158 Benchmark]: TraceAbstraction took 24071.08ms. Allocated memory was 125.8MB in the beginning and 505.4MB in the end (delta: 379.6MB). Free memory was 91.1MB in the beginning and 400.2MB in the end (delta: -309.1MB). Peak memory consumption was 269.4MB. Max. memory is 16.1GB. [2024-11-08 12:23:53,094 INFO L158 Benchmark]: Witness Printer took 170.14ms. Allocated memory is still 505.4MB. Free memory was 400.2MB in the beginning and 393.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 12:23:53,096 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 125.8MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 566.68ms. Allocated memory is still 125.8MB. Free memory was 91.0MB in the beginning and 76.2MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.67ms. Allocated memory is still 125.8MB. Free memory was 76.2MB in the beginning and 72.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.59ms. Allocated memory is still 125.8MB. Free memory was 72.9MB in the beginning and 70.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1200.75ms. Allocated memory is still 125.8MB. Free memory was 70.0MB in the beginning and 91.7MB in the end (delta: -21.6MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * TraceAbstraction took 24071.08ms. Allocated memory was 125.8MB in the beginning and 505.4MB in the end (delta: 379.6MB). Free memory was 91.1MB in the beginning and 400.2MB in the end (delta: -309.1MB). Peak memory consumption was 269.4MB. Max. memory is 16.1GB. * Witness Printer took 170.14ms. Allocated memory is still 505.4MB. Free memory was 400.2MB in the beginning and 393.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: 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: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: 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: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 490 locations, 54 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: 23.8s, OverallIterations: 20, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2428 SdHoareTripleChecker+Valid, 6.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1669 mSDsluCounter, 928 SdHoareTripleChecker+Invalid, 5.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 810 mSDsCounter, 613 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4723 IncrementalHoareTripleChecker+Invalid, 5336 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 613 mSolverCounterUnsat, 118 mSDtfsCounter, 4723 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1075 GetRequests, 969 SyntacticMatches, 5 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 540 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=950occurred in iteration=13, InterpolantAutomatonStates: 99, 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: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 8.6s InterpolantComputationTime, 4215 NumberOfCodeBlocks, 4119 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 4568 ConstructedInterpolants, 0 QuantifiedInterpolants, 6679 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1099 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 25 InterpolantComputations, 18 PerfectInterpolantSequences, 2619/2826 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-08 12:23:53,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4b43373-8cd7-474c-9c97-396dc08d282f/bin/uautomizer-verify-jihMAELWvX/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