./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed5d780-f30b-46ef-854d-9af4550b3207/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed5d780-f30b-46ef-854d-9af4550b3207/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed5d780-f30b-46ef-854d-9af4550b3207/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed5d780-f30b-46ef-854d-9af4550b3207/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed5d780-f30b-46ef-854d-9af4550b3207/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed5d780-f30b-46ef-854d-9af4550b3207/bin/uautomizer-verify-LYvppIcaGC --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 63e73d2abe89b782ca9e5c579baa72b5461ffc3c60c322f6f03d18cdd5548702 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:58:07,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:58:07,134 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed5d780-f30b-46ef-854d-9af4550b3207/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-24 00:58:07,144 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:58:07,144 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:58:07,169 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:58:07,170 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:58:07,170 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:58:07,171 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:58:07,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:58:07,171 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:58:07,171 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:58:07,172 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:58:07,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:58:07,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:58:07,172 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:58:07,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:58:07,172 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:58:07,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:58:07,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:58:07,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:58:07,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:58:07,177 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-24 00:58:07,177 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:58:07,177 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:58:07,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:58:07,177 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:58:07,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:58:07,177 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:58:07,177 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:58:07,178 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:58:07,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:58:07,178 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:58:07,178 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:58:07,178 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:58:07,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:58:07,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:58:07,178 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:58:07,178 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:58:07,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:58:07,178 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:58:07,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:58:07,178 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:58:07,178 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:58:07,179 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:58:07,179 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:58:07,179 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed5d780-f30b-46ef-854d-9af4550b3207/bin/uautomizer-verify-LYvppIcaGC 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 -> 63e73d2abe89b782ca9e5c579baa72b5461ffc3c60c322f6f03d18cdd5548702 [2024-11-24 00:58:07,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:58:07,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:58:07,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:58:07,541 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:58:07,543 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:58:07,545 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed5d780-f30b-46ef-854d-9af4550b3207/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c [2024-11-24 00:58:10,753 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed5d780-f30b-46ef-854d-9af4550b3207/bin/uautomizer-verify-LYvppIcaGC/data/50916e42f/70465f13643041bab179fe61cc499ff6/FLAGa684d3b7d [2024-11-24 00:58:11,063 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:58:11,066 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed5d780-f30b-46ef-854d-9af4550b3207/sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c [2024-11-24 00:58:11,078 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed5d780-f30b-46ef-854d-9af4550b3207/bin/uautomizer-verify-LYvppIcaGC/data/50916e42f/70465f13643041bab179fe61cc499ff6/FLAGa684d3b7d [2024-11-24 00:58:11,096 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed5d780-f30b-46ef-854d-9af4550b3207/bin/uautomizer-verify-LYvppIcaGC/data/50916e42f/70465f13643041bab179fe61cc499ff6 [2024-11-24 00:58:11,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:58:11,101 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:58:11,102 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:58:11,102 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:58:11,106 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:58:11,107 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:58:11" (1/1) ... [2024-11-24 00:58:11,108 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@516a7216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:58:11, skipping insertion in model container [2024-11-24 00:58:11,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:58:11" (1/1) ... [2024-11-24 00:58:11,130 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:58:11,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:58:11,432 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:58:11,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:58:11,485 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:58:11,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:58:11 WrapperNode [2024-11-24 00:58:11,486 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:58:11,487 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:58:11,487 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:58:11,488 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:58:11,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:58:11" (1/1) ... [2024-11-24 00:58:11,511 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:58:11" (1/1) ... [2024-11-24 00:58:11,566 INFO L138 Inliner]: procedures = 24, calls = 32, calls flagged for inlining = 12, calls inlined = 18, statements flattened = 273 [2024-11-24 00:58:11,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:58:11,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:58:11,567 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:58:11,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:58:11,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:58:11" (1/1) ... [2024-11-24 00:58:11,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:58:11" (1/1) ... [2024-11-24 00:58:11,586 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:58:11" (1/1) ... [2024-11-24 00:58:11,586 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:58:11" (1/1) ... [2024-11-24 00:58:11,608 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:58:11" (1/1) ... [2024-11-24 00:58:11,610 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:58:11" (1/1) ... [2024-11-24 00:58:11,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:58:11" (1/1) ... [2024-11-24 00:58:11,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:58:11" (1/1) ... [2024-11-24 00:58:11,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:58:11" (1/1) ... [2024-11-24 00:58:11,642 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:58:11,643 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:58:11,643 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:58:11,644 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:58:11,647 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:58:11" (1/1) ... [2024-11-24 00:58:11,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:58:11,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed5d780-f30b-46ef-854d-9af4550b3207/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:58:11,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed5d780-f30b-46ef-854d-9af4550b3207/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:58:11,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aed5d780-f30b-46ef-854d-9af4550b3207/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:58:11,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:58:11,713 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-24 00:58:11,713 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-24 00:58:11,714 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-24 00:58:11,714 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-24 00:58:11,714 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-24 00:58:11,714 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-24 00:58:11,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 00:58:11,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-24 00:58:11,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 00:58:11,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:58:11,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:58:11,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-24 00:58:11,717 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-24 00:58:11,845 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:58:11,847 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:58:12,872 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-24 00:58:12,873 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:58:12,921 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:58:12,922 INFO L312 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-24 00:58:12,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:58:12 BoogieIcfgContainer [2024-11-24 00:58:12,922 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:58:12,926 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:58:12,926 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:58:12,933 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:58:12,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:58:11" (1/3) ... [2024-11-24 00:58:12,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51025c9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:58:12, skipping insertion in model container [2024-11-24 00:58:12,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:58:11" (2/3) ... [2024-11-24 00:58:12,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51025c9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:58:12, skipping insertion in model container [2024-11-24 00:58:12,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:58:12" (3/3) ... [2024-11-24 00:58:12,938 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-vector-add.wvr.c [2024-11-24 00:58:12,964 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:58:12,966 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-vector-add.wvr.c that has 4 procedures, 484 locations, 1 initial locations, 7 loop locations, and 44 error locations. [2024-11-24 00:58:12,967 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-24 00:58:13,211 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-24 00:58:13,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 493 places, 510 transitions, 1041 flow [2024-11-24 00:58:13,560 INFO L124 PetriNetUnfolderBase]: 27/507 cut-off events. [2024-11-24 00:58:13,562 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-24 00:58:13,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 520 conditions, 507 events. 27/507 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 718 event pairs, 0 based on Foata normal form. 0/436 useless extension candidates. Maximal degree in co-relation 396. Up to 2 conditions per place. [2024-11-24 00:58:13,572 INFO L82 GeneralOperation]: Start removeDead. Operand has 493 places, 510 transitions, 1041 flow [2024-11-24 00:58:13,582 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 472 places, 488 transitions, 994 flow [2024-11-24 00:58:13,597 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:58:13,610 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;@6613713e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:58:13,611 INFO L334 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2024-11-24 00:58:13,622 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-24 00:58:13,622 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-24 00:58:13,622 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-24 00:58:13,622 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:58:13,623 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:13,624 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-24 00:58:13,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:13,631 INFO L85 PathProgramCache]: Analyzing trace with hash 532302429, now seen corresponding path program 1 times [2024-11-24 00:58:13,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:58:13,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843487088] [2024-11-24 00:58:13,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:13,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:58:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:13,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:58:13,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:58:13,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843487088] [2024-11-24 00:58:13,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843487088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:58:13,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:58:13,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:58:13,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434253793] [2024-11-24 00:58:13,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:13,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:58:13,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:58:14,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:58:14,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:58:14,082 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 474 out of 510 [2024-11-24 00:58:14,094 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 488 transitions, 994 flow. Second operand has 3 states, 3 states have (on average 475.3333333333333) internal successors, (1426), 3 states have internal predecessors, (1426), 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) [2024-11-24 00:58:14,094 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:58:14,094 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 474 of 510 [2024-11-24 00:58:14,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:58:14,409 INFO L124 PetriNetUnfolderBase]: 23/763 cut-off events. [2024-11-24 00:58:14,410 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-11-24 00:58:14,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 815 conditions, 763 events. 23/763 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2651 event pairs, 7 based on Foata normal form. 26/673 useless extension candidates. Maximal degree in co-relation 423. Up to 31 conditions per place. [2024-11-24 00:58:14,425 INFO L140 encePairwiseOnDemand]: 490/510 looper letters, 13 selfloop transitions, 2 changer transitions 10/470 dead transitions. [2024-11-24 00:58:14,426 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 473 places, 470 transitions, 988 flow [2024-11-24 00:58:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:58:14,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:58:14,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1455 transitions. [2024-11-24 00:58:14,451 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9509803921568627 [2024-11-24 00:58:14,456 INFO L175 Difference]: Start difference. First operand has 472 places, 488 transitions, 994 flow. Second operand 3 states and 1455 transitions. [2024-11-24 00:58:14,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 473 places, 470 transitions, 988 flow [2024-11-24 00:58:14,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 467 places, 470 transitions, 976 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-24 00:58:14,518 INFO L231 Difference]: Finished difference. Result has 467 places, 460 transitions, 930 flow [2024-11-24 00:58:14,524 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=946, PETRI_DIFFERENCE_MINUEND_PLACES=465, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=470, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=930, PETRI_PLACES=467, PETRI_TRANSITIONS=460} [2024-11-24 00:58:14,529 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -5 predicate places. [2024-11-24 00:58:14,531 INFO L471 AbstractCegarLoop]: Abstraction has has 467 places, 460 transitions, 930 flow [2024-11-24 00:58:14,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 475.3333333333333) internal successors, (1426), 3 states have internal predecessors, (1426), 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) [2024-11-24 00:58:14,533 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:58:14,533 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:14,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 00:58:14,534 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-24 00:58:14,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:14,535 INFO L85 PathProgramCache]: Analyzing trace with hash -497071690, now seen corresponding path program 1 times [2024-11-24 00:58:14,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:58:14,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714556478] [2024-11-24 00:58:14,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:14,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:58:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:14,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:58:14,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:58:14,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714556478] [2024-11-24 00:58:14,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714556478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:58:14,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:58:14,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:58:14,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595351857] [2024-11-24 00:58:14,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:14,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:58:14,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:58:14,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:58:14,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:58:14,700 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 470 out of 510 [2024-11-24 00:58:14,703 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 467 places, 460 transitions, 930 flow. Second operand has 3 states, 3 states have (on average 471.3333333333333) internal successors, (1414), 3 states have internal predecessors, (1414), 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) [2024-11-24 00:58:14,703 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:58:14,703 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 470 of 510 [2024-11-24 00:58:14,703 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:58:14,888 INFO L124 PetriNetUnfolderBase]: 17/604 cut-off events. [2024-11-24 00:58:14,889 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-24 00:58:14,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 646 conditions, 604 events. 17/604 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1637 event pairs, 5 based on Foata normal form. 0/527 useless extension candidates. Maximal degree in co-relation 615. Up to 31 conditions per place. [2024-11-24 00:58:14,898 INFO L140 encePairwiseOnDemand]: 507/510 looper letters, 17 selfloop transitions, 2 changer transitions 0/459 dead transitions. [2024-11-24 00:58:14,898 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 458 places, 459 transitions, 966 flow [2024-11-24 00:58:14,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:58:14,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:58:14,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1430 transitions. [2024-11-24 00:58:14,908 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.934640522875817 [2024-11-24 00:58:14,909 INFO L175 Difference]: Start difference. First operand has 467 places, 460 transitions, 930 flow. Second operand 3 states and 1430 transitions. [2024-11-24 00:58:14,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 458 places, 459 transitions, 966 flow [2024-11-24 00:58:14,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 459 transitions, 962 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:58:14,924 INFO L231 Difference]: Finished difference. Result has 456 places, 459 transitions, 928 flow [2024-11-24 00:58:14,925 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=924, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=459, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=928, PETRI_PLACES=456, PETRI_TRANSITIONS=459} [2024-11-24 00:58:14,926 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -16 predicate places. [2024-11-24 00:58:14,926 INFO L471 AbstractCegarLoop]: Abstraction has has 456 places, 459 transitions, 928 flow [2024-11-24 00:58:14,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 471.3333333333333) internal successors, (1414), 3 states have internal predecessors, (1414), 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) [2024-11-24 00:58:14,928 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:58:14,928 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:14,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:58:14,928 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-24 00:58:14,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:14,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1418225644, now seen corresponding path program 1 times [2024-11-24 00:58:14,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:58:14,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716754966] [2024-11-24 00:58:14,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:14,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:58:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:15,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:58:15,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:58:15,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716754966] [2024-11-24 00:58:15,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716754966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:58:15,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:58:15,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:58:15,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490893425] [2024-11-24 00:58:15,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:15,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:58:15,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:58:15,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:58:15,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:58:15,118 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 460 out of 510 [2024-11-24 00:58:15,121 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 459 transitions, 928 flow. Second operand has 3 states, 3 states have (on average 461.0) internal successors, (1383), 3 states have internal predecessors, (1383), 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) [2024-11-24 00:58:15,121 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:58:15,121 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 460 of 510 [2024-11-24 00:58:15,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:58:15,418 INFO L124 PetriNetUnfolderBase]: 29/735 cut-off events. [2024-11-24 00:58:15,419 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-24 00:58:15,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 802 conditions, 735 events. 29/735 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2625 event pairs, 12 based on Foata normal form. 0/642 useless extension candidates. Maximal degree in co-relation 763. Up to 54 conditions per place. [2024-11-24 00:58:15,430 INFO L140 encePairwiseOnDemand]: 501/510 looper letters, 22 selfloop transitions, 1 changer transitions 0/451 dead transitions. [2024-11-24 00:58:15,432 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 451 transitions, 958 flow [2024-11-24 00:58:15,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:58:15,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:58:15,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1411 transitions. [2024-11-24 00:58:15,439 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9222222222222223 [2024-11-24 00:58:15,439 INFO L175 Difference]: Start difference. First operand has 456 places, 459 transitions, 928 flow. Second operand 3 states and 1411 transitions. [2024-11-24 00:58:15,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 451 transitions, 958 flow [2024-11-24 00:58:15,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 451 transitions, 954 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:58:15,466 INFO L231 Difference]: Finished difference. Result has 448 places, 451 transitions, 910 flow [2024-11-24 00:58:15,467 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=908, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=450, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=910, PETRI_PLACES=448, PETRI_TRANSITIONS=451} [2024-11-24 00:58:15,469 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -24 predicate places. [2024-11-24 00:58:15,469 INFO L471 AbstractCegarLoop]: Abstraction has has 448 places, 451 transitions, 910 flow [2024-11-24 00:58:15,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 461.0) internal successors, (1383), 3 states have internal predecessors, (1383), 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) [2024-11-24 00:58:15,471 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:58:15,471 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:15,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:58:15,471 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-24 00:58:15,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:15,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1662529970, now seen corresponding path program 1 times [2024-11-24 00:58:15,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:58:15,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832087681] [2024-11-24 00:58:15,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:15,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:58:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:16,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:58:16,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:58:16,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832087681] [2024-11-24 00:58:16,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832087681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:58:16,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:58:16,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:58:16,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248914423] [2024-11-24 00:58:16,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:16,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:58:16,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:58:16,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:58:16,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:58:17,569 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 385 out of 510 [2024-11-24 00:58:17,572 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 451 transitions, 910 flow. Second operand has 6 states, 6 states have (on average 386.5) internal successors, (2319), 6 states have internal predecessors, (2319), 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) [2024-11-24 00:58:17,573 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:58:17,573 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 385 of 510 [2024-11-24 00:58:17,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:58:22,871 INFO L124 PetriNetUnfolderBase]: 5286/18518 cut-off events. [2024-11-24 00:58:22,872 INFO L125 PetriNetUnfolderBase]: For 363/363 co-relation queries the response was YES. [2024-11-24 00:58:22,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26600 conditions, 18518 events. 5286/18518 cut-off events. For 363/363 co-relation queries the response was YES. Maximal size of possible extension queue 495. Compared 210291 event pairs, 4536 based on Foata normal form. 0/15813 useless extension candidates. Maximal degree in co-relation 26562. Up to 7876 conditions per place. [2024-11-24 00:58:23,048 INFO L140 encePairwiseOnDemand]: 486/510 looper letters, 82 selfloop transitions, 20 changer transitions 0/447 dead transitions. [2024-11-24 00:58:23,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 447 transitions, 1106 flow [2024-11-24 00:58:23,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:58:23,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-24 00:58:23,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2416 transitions. [2024-11-24 00:58:23,056 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7895424836601307 [2024-11-24 00:58:23,056 INFO L175 Difference]: Start difference. First operand has 448 places, 451 transitions, 910 flow. Second operand 6 states and 2416 transitions. [2024-11-24 00:58:23,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 447 transitions, 1106 flow [2024-11-24 00:58:23,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 447 transitions, 1105 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-24 00:58:23,066 INFO L231 Difference]: Finished difference. Result has 448 places, 447 transitions, 941 flow [2024-11-24 00:58:23,067 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=901, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=941, PETRI_PLACES=448, PETRI_TRANSITIONS=447} [2024-11-24 00:58:23,069 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -24 predicate places. [2024-11-24 00:58:23,070 INFO L471 AbstractCegarLoop]: Abstraction has has 448 places, 447 transitions, 941 flow [2024-11-24 00:58:23,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 386.5) internal successors, (2319), 6 states have internal predecessors, (2319), 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) [2024-11-24 00:58:23,072 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:58:23,072 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:23,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:58:23,072 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-24 00:58:23,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:23,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1893928821, now seen corresponding path program 1 times [2024-11-24 00:58:23,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:58:23,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064910229] [2024-11-24 00:58:23,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:23,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:58:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:23,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:58:23,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:58:23,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064910229] [2024-11-24 00:58:23,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064910229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:58:23,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:58:23,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:58:23,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320941539] [2024-11-24 00:58:23,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:23,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:58:23,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:58:23,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:58:23,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:58:23,175 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 510 [2024-11-24 00:58:23,177 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 447 transitions, 941 flow. Second operand has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 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) [2024-11-24 00:58:23,178 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:58:23,178 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 510 [2024-11-24 00:58:23,178 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:58:23,308 INFO L124 PetriNetUnfolderBase]: 28/674 cut-off events. [2024-11-24 00:58:23,309 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-24 00:58:23,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 746 conditions, 674 events. 28/674 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2247 event pairs, 15 based on Foata normal form. 0/602 useless extension candidates. Maximal degree in co-relation 707. Up to 40 conditions per place. [2024-11-24 00:58:23,317 INFO L140 encePairwiseOnDemand]: 507/510 looper letters, 12 selfloop transitions, 2 changer transitions 0/446 dead transitions. [2024-11-24 00:58:23,317 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 446 transitions, 967 flow [2024-11-24 00:58:23,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:58:23,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:58:23,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1440 transitions. [2024-11-24 00:58:23,322 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9411764705882353 [2024-11-24 00:58:23,322 INFO L175 Difference]: Start difference. First operand has 448 places, 447 transitions, 941 flow. Second operand 3 states and 1440 transitions. [2024-11-24 00:58:23,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 446 transitions, 967 flow [2024-11-24 00:58:23,326 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 446 transitions, 927 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-24 00:58:23,331 INFO L231 Difference]: Finished difference. Result has 444 places, 446 transitions, 903 flow [2024-11-24 00:58:23,332 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=899, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=903, PETRI_PLACES=444, PETRI_TRANSITIONS=446} [2024-11-24 00:58:23,337 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -28 predicate places. [2024-11-24 00:58:23,337 INFO L471 AbstractCegarLoop]: Abstraction has has 444 places, 446 transitions, 903 flow [2024-11-24 00:58:23,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 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) [2024-11-24 00:58:23,339 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:58:23,340 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:23,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 00:58:23,340 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-24 00:58:23,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:23,343 INFO L85 PathProgramCache]: Analyzing trace with hash 253849336, now seen corresponding path program 1 times [2024-11-24 00:58:23,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:58:23,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379635231] [2024-11-24 00:58:23,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:23,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:58:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:23,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:58:23,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:58:23,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379635231] [2024-11-24 00:58:23,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379635231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:58:23,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:58:23,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:58:23,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401357293] [2024-11-24 00:58:23,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:23,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:58:23,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:58:23,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:58:23,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:58:23,450 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 510 [2024-11-24 00:58:23,453 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 444 places, 446 transitions, 903 flow. Second operand has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 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) [2024-11-24 00:58:23,453 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:58:23,453 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 510 [2024-11-24 00:58:23,453 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:58:23,572 INFO L124 PetriNetUnfolderBase]: 28/673 cut-off events. [2024-11-24 00:58:23,572 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-24 00:58:23,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 727 conditions, 673 events. 28/673 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2201 event pairs, 15 based on Foata normal form. 0/599 useless extension candidates. Maximal degree in co-relation 688. Up to 40 conditions per place. [2024-11-24 00:58:23,579 INFO L140 encePairwiseOnDemand]: 507/510 looper letters, 12 selfloop transitions, 2 changer transitions 0/445 dead transitions. [2024-11-24 00:58:23,579 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 445 transitions, 929 flow [2024-11-24 00:58:23,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:58:23,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:58:23,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1440 transitions. [2024-11-24 00:58:23,583 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9411764705882353 [2024-11-24 00:58:23,584 INFO L175 Difference]: Start difference. First operand has 444 places, 446 transitions, 903 flow. Second operand 3 states and 1440 transitions. [2024-11-24 00:58:23,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 445 transitions, 929 flow [2024-11-24 00:58:23,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 445 transitions, 925 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:58:23,593 INFO L231 Difference]: Finished difference. Result has 443 places, 445 transitions, 901 flow [2024-11-24 00:58:23,594 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=897, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=901, PETRI_PLACES=443, PETRI_TRANSITIONS=445} [2024-11-24 00:58:23,595 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -29 predicate places. [2024-11-24 00:58:23,595 INFO L471 AbstractCegarLoop]: Abstraction has has 443 places, 445 transitions, 901 flow [2024-11-24 00:58:23,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 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) [2024-11-24 00:58:23,596 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:58:23,597 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:23,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 00:58:23,597 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-24 00:58:23,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:23,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1017952079, now seen corresponding path program 1 times [2024-11-24 00:58:23,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:58:23,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211548141] [2024-11-24 00:58:23,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:23,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:58:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:23,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:58:23,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:58:23,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211548141] [2024-11-24 00:58:23,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211548141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:58:23,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:58:23,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:58:23,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889152942] [2024-11-24 00:58:23,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:23,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:58:23,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:58:23,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:58:23,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:58:23,740 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 476 out of 510 [2024-11-24 00:58:23,742 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 445 transitions, 901 flow. Second operand has 3 states, 3 states have (on average 477.3333333333333) internal successors, (1432), 3 states have internal predecessors, (1432), 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) [2024-11-24 00:58:23,742 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:58:23,742 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 476 of 510 [2024-11-24 00:58:23,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:58:23,830 INFO L124 PetriNetUnfolderBase]: 14/537 cut-off events. [2024-11-24 00:58:23,830 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-24 00:58:23,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 568 conditions, 537 events. 14/537 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1209 event pairs, 2 based on Foata normal form. 0/488 useless extension candidates. Maximal degree in co-relation 529. Up to 19 conditions per place. [2024-11-24 00:58:23,835 INFO L140 encePairwiseOnDemand]: 507/510 looper letters, 11 selfloop transitions, 2 changer transitions 0/444 dead transitions. [2024-11-24 00:58:23,835 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 444 transitions, 925 flow [2024-11-24 00:58:23,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:58:23,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:58:23,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1442 transitions. [2024-11-24 00:58:23,840 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9424836601307189 [2024-11-24 00:58:23,840 INFO L175 Difference]: Start difference. First operand has 443 places, 445 transitions, 901 flow. Second operand 3 states and 1442 transitions. [2024-11-24 00:58:23,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 444 transitions, 925 flow [2024-11-24 00:58:23,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 444 transitions, 921 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:58:23,848 INFO L231 Difference]: Finished difference. Result has 442 places, 444 transitions, 899 flow [2024-11-24 00:58:23,849 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=895, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=899, PETRI_PLACES=442, PETRI_TRANSITIONS=444} [2024-11-24 00:58:23,850 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -30 predicate places. [2024-11-24 00:58:23,850 INFO L471 AbstractCegarLoop]: Abstraction has has 442 places, 444 transitions, 899 flow [2024-11-24 00:58:23,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 477.3333333333333) internal successors, (1432), 3 states have internal predecessors, (1432), 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) [2024-11-24 00:58:23,852 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:58:23,852 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:23,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 00:58:23,852 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-24 00:58:23,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:23,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1034979689, now seen corresponding path program 1 times [2024-11-24 00:58:23,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:58:23,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387805598] [2024-11-24 00:58:23,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:23,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:58:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:24,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:58:24,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:58:24,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387805598] [2024-11-24 00:58:24,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387805598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:58:24,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:58:24,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:58:24,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740487962] [2024-11-24 00:58:24,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:24,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:58:24,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:58:24,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:58:24,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:58:24,152 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 510 [2024-11-24 00:58:24,154 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 444 transitions, 899 flow. Second operand has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 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) [2024-11-24 00:58:24,155 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:58:24,155 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 510 [2024-11-24 00:58:24,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:58:24,368 INFO L124 PetriNetUnfolderBase]: 22/594 cut-off events. [2024-11-24 00:58:24,368 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-11-24 00:58:24,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 637 conditions, 594 events. 22/594 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1565 event pairs, 7 based on Foata normal form. 0/534 useless extension candidates. Maximal degree in co-relation 598. Up to 32 conditions per place. [2024-11-24 00:58:24,374 INFO L140 encePairwiseOnDemand]: 507/510 looper letters, 12 selfloop transitions, 2 changer transitions 0/443 dead transitions. [2024-11-24 00:58:24,378 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 443 transitions, 925 flow [2024-11-24 00:58:24,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:58:24,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:58:24,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1440 transitions. [2024-11-24 00:58:24,387 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9411764705882353 [2024-11-24 00:58:24,387 INFO L175 Difference]: Start difference. First operand has 442 places, 444 transitions, 899 flow. Second operand 3 states and 1440 transitions. [2024-11-24 00:58:24,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 443 transitions, 925 flow [2024-11-24 00:58:24,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 441 places, 443 transitions, 921 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:58:24,404 INFO L231 Difference]: Finished difference. Result has 441 places, 443 transitions, 897 flow [2024-11-24 00:58:24,405 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=893, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=897, PETRI_PLACES=441, PETRI_TRANSITIONS=443} [2024-11-24 00:58:24,406 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -31 predicate places. [2024-11-24 00:58:24,410 INFO L471 AbstractCegarLoop]: Abstraction has has 441 places, 443 transitions, 897 flow [2024-11-24 00:58:24,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 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) [2024-11-24 00:58:24,412 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:58:24,412 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:24,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 00:58:24,412 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-24 00:58:24,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:24,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1956208543, now seen corresponding path program 1 times [2024-11-24 00:58:24,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:58:24,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857264621] [2024-11-24 00:58:24,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:24,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:58:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:24,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:58:24,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:58:24,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857264621] [2024-11-24 00:58:24,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857264621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:58:24,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:58:24,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:58:24,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905394203] [2024-11-24 00:58:24,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:24,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:58:24,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:58:24,588 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:58:24,588 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:58:24,611 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 472 out of 510 [2024-11-24 00:58:24,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 443 transitions, 897 flow. Second operand has 3 states, 3 states have (on average 473.0) internal successors, (1419), 3 states have internal predecessors, (1419), 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) [2024-11-24 00:58:24,613 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:58:24,613 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 472 of 510 [2024-11-24 00:58:24,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:58:24,907 INFO L124 PetriNetUnfolderBase]: 41/877 cut-off events. [2024-11-24 00:58:24,908 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-24 00:58:24,913 INFO L83 FinitePrefix]: Finished finitePrefix Result has 945 conditions, 877 events. 41/877 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3831 event pairs, 20 based on Foata normal form. 0/776 useless extension candidates. Maximal degree in co-relation 906. Up to 56 conditions per place. [2024-11-24 00:58:24,916 INFO L140 encePairwiseOnDemand]: 505/510 looper letters, 14 selfloop transitions, 1 changer transitions 0/439 dead transitions. [2024-11-24 00:58:24,917 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 439 places, 439 transitions, 919 flow [2024-11-24 00:58:24,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:58:24,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:58:24,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1435 transitions. [2024-11-24 00:58:24,927 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9379084967320261 [2024-11-24 00:58:24,928 INFO L175 Difference]: Start difference. First operand has 441 places, 443 transitions, 897 flow. Second operand 3 states and 1435 transitions. [2024-11-24 00:58:24,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 439 places, 439 transitions, 919 flow [2024-11-24 00:58:24,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 439 transitions, 915 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:58:24,945 INFO L231 Difference]: Finished difference. Result has 437 places, 439 transitions, 887 flow [2024-11-24 00:58:24,946 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=885, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=887, PETRI_PLACES=437, PETRI_TRANSITIONS=439} [2024-11-24 00:58:24,946 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -35 predicate places. [2024-11-24 00:58:24,950 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 439 transitions, 887 flow [2024-11-24 00:58:24,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 473.0) internal successors, (1419), 3 states have internal predecessors, (1419), 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) [2024-11-24 00:58:24,952 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:58:24,952 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:24,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 00:58:24,952 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-24 00:58:24,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:24,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1071787028, now seen corresponding path program 1 times [2024-11-24 00:58:24,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:58:24,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425117370] [2024-11-24 00:58:24,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:24,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:58:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:25,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:58:25,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:58:25,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425117370] [2024-11-24 00:58:25,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425117370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:58:25,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:58:25,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:58:25,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660537952] [2024-11-24 00:58:25,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:25,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:58:25,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:58:25,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:58:25,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:58:25,152 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 478 out of 510 [2024-11-24 00:58:25,154 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 439 transitions, 887 flow. Second operand has 3 states, 3 states have (on average 479.3333333333333) internal successors, (1438), 3 states have internal predecessors, (1438), 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) [2024-11-24 00:58:25,158 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:58:25,159 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 478 of 510 [2024-11-24 00:58:25,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:58:25,355 INFO L124 PetriNetUnfolderBase]: 17/558 cut-off events. [2024-11-24 00:58:25,355 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-24 00:58:25,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 596 conditions, 558 events. 17/558 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1271 event pairs, 0 based on Foata normal form. 0/516 useless extension candidates. Maximal degree in co-relation 558. Up to 19 conditions per place. [2024-11-24 00:58:25,360 INFO L140 encePairwiseOnDemand]: 506/510 looper letters, 16 selfloop transitions, 2 changer transitions 0/444 dead transitions. [2024-11-24 00:58:25,361 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 444 transitions, 938 flow [2024-11-24 00:58:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:58:25,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:58:25,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1454 transitions. [2024-11-24 00:58:25,365 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9503267973856209 [2024-11-24 00:58:25,365 INFO L175 Difference]: Start difference. First operand has 437 places, 439 transitions, 887 flow. Second operand 3 states and 1454 transitions. [2024-11-24 00:58:25,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 444 transitions, 938 flow [2024-11-24 00:58:25,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 444 transitions, 937 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-24 00:58:25,376 INFO L231 Difference]: Finished difference. Result has 437 places, 439 transitions, 896 flow [2024-11-24 00:58:25,377 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=896, PETRI_PLACES=437, PETRI_TRANSITIONS=439} [2024-11-24 00:58:25,378 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -35 predicate places. [2024-11-24 00:58:25,380 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 439 transitions, 896 flow [2024-11-24 00:58:25,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 479.3333333333333) internal successors, (1438), 3 states have internal predecessors, (1438), 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) [2024-11-24 00:58:25,382 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:58:25,382 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:25,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 00:58:25,382 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-24 00:58:25,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:25,383 INFO L85 PathProgramCache]: Analyzing trace with hash 804854894, now seen corresponding path program 1 times [2024-11-24 00:58:25,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:58:25,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028663661] [2024-11-24 00:58:25,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:25,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:58:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:25,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:58:25,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:58:25,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028663661] [2024-11-24 00:58:25,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028663661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:58:25,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:58:25,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:58:25,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416069642] [2024-11-24 00:58:25,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:25,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:58:25,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:58:25,518 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:58:25,518 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:58:25,539 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 510 [2024-11-24 00:58:25,541 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 439 transitions, 896 flow. Second operand has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 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) [2024-11-24 00:58:25,541 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:58:25,542 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 510 [2024-11-24 00:58:25,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:58:25,941 INFO L124 PetriNetUnfolderBase]: 135/1964 cut-off events. [2024-11-24 00:58:25,942 INFO L125 PetriNetUnfolderBase]: For 29/30 co-relation queries the response was YES. [2024-11-24 00:58:25,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2188 conditions, 1964 events. 135/1964 cut-off events. For 29/30 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 13274 event pairs, 36 based on Foata normal form. 0/1720 useless extension candidates. Maximal degree in co-relation 2150. Up to 187 conditions per place. [2024-11-24 00:58:25,960 INFO L140 encePairwiseOnDemand]: 504/510 looper letters, 18 selfloop transitions, 3 changer transitions 0/444 dead transitions. [2024-11-24 00:58:25,960 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 444 transitions, 953 flow [2024-11-24 00:58:25,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:58:25,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:58:25,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1449 transitions. [2024-11-24 00:58:25,966 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9470588235294117 [2024-11-24 00:58:25,966 INFO L175 Difference]: Start difference. First operand has 437 places, 439 transitions, 896 flow. Second operand 3 states and 1449 transitions. [2024-11-24 00:58:25,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 444 transitions, 953 flow [2024-11-24 00:58:25,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 444 transitions, 953 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-24 00:58:25,974 INFO L231 Difference]: Finished difference. Result has 437 places, 439 transitions, 911 flow [2024-11-24 00:58:25,975 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=911, PETRI_PLACES=437, PETRI_TRANSITIONS=439} [2024-11-24 00:58:25,975 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -35 predicate places. [2024-11-24 00:58:25,975 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 439 transitions, 911 flow [2024-11-24 00:58:25,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 476.3333333333333) internal successors, (1429), 3 states have internal predecessors, (1429), 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) [2024-11-24 00:58:25,978 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:58:25,978 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:25,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 00:58:25,978 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-24 00:58:25,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:25,979 INFO L85 PathProgramCache]: Analyzing trace with hash 2078418225, now seen corresponding path program 1 times [2024-11-24 00:58:25,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:58:25,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469406624] [2024-11-24 00:58:25,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:25,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:58:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:26,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:58:26,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:58:26,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469406624] [2024-11-24 00:58:26,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469406624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:58:26,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:58:26,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:58:26,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578055773] [2024-11-24 00:58:26,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:26,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:58:26,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:58:26,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:58:26,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:58:26,112 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 510 [2024-11-24 00:58:26,114 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 439 transitions, 911 flow. Second operand has 3 states, 3 states have (on average 476.6666666666667) internal successors, (1430), 3 states have internal predecessors, (1430), 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) [2024-11-24 00:58:26,115 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:58:26,115 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 510 [2024-11-24 00:58:26,115 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:58:26,450 INFO L124 PetriNetUnfolderBase]: 148/1733 cut-off events. [2024-11-24 00:58:26,450 INFO L125 PetriNetUnfolderBase]: For 49/53 co-relation queries the response was YES. [2024-11-24 00:58:26,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2014 conditions, 1733 events. 148/1733 cut-off events. For 49/53 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 10808 event pairs, 22 based on Foata normal form. 0/1553 useless extension candidates. Maximal degree in co-relation 1975. Up to 169 conditions per place. [2024-11-24 00:58:26,471 INFO L140 encePairwiseOnDemand]: 504/510 looper letters, 17 selfloop transitions, 3 changer transitions 0/443 dead transitions. [2024-11-24 00:58:26,471 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 443 transitions, 963 flow [2024-11-24 00:58:26,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:58:26,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:58:26,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1448 transitions. [2024-11-24 00:58:26,475 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9464052287581699 [2024-11-24 00:58:26,475 INFO L175 Difference]: Start difference. First operand has 437 places, 439 transitions, 911 flow. Second operand 3 states and 1448 transitions. [2024-11-24 00:58:26,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 443 transitions, 963 flow [2024-11-24 00:58:26,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 443 transitions, 963 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-24 00:58:26,484 INFO L231 Difference]: Finished difference. Result has 437 places, 439 transitions, 926 flow [2024-11-24 00:58:26,485 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=905, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=926, PETRI_PLACES=437, PETRI_TRANSITIONS=439} [2024-11-24 00:58:26,485 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -35 predicate places. [2024-11-24 00:58:26,485 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 439 transitions, 926 flow [2024-11-24 00:58:26,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 476.6666666666667) internal successors, (1430), 3 states have internal predecessors, (1430), 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) [2024-11-24 00:58:26,489 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:58:26,489 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:26,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 00:58:26,490 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-24 00:58:26,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:26,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1599082094, now seen corresponding path program 1 times [2024-11-24 00:58:26,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:58:26,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390861174] [2024-11-24 00:58:26,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:26,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:58:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:26,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:58:26,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:58:26,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390861174] [2024-11-24 00:58:26,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390861174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:58:26,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:58:26,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 00:58:26,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763173269] [2024-11-24 00:58:26,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:26,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:58:26,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:58:26,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:58:26,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:58:27,441 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 443 out of 510 [2024-11-24 00:58:27,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 439 transitions, 926 flow. Second operand has 7 states, 7 states have (on average 448.2857142857143) internal successors, (3138), 7 states have internal predecessors, (3138), 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) [2024-11-24 00:58:27,446 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:58:27,446 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 443 of 510 [2024-11-24 00:58:27,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:58:27,997 INFO L124 PetriNetUnfolderBase]: 87/1593 cut-off events. [2024-11-24 00:58:27,997 INFO L125 PetriNetUnfolderBase]: For 11/34 co-relation queries the response was YES. [2024-11-24 00:58:28,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1915 conditions, 1593 events. 87/1593 cut-off events. For 11/34 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 7218 event pairs, 20 based on Foata normal form. 5/1496 useless extension candidates. Maximal degree in co-relation 1873. Up to 76 conditions per place. [2024-11-24 00:58:28,014 INFO L140 encePairwiseOnDemand]: 473/510 looper letters, 49 selfloop transitions, 56 changer transitions 0/496 dead transitions. [2024-11-24 00:58:28,014 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 496 transitions, 1258 flow [2024-11-24 00:58:28,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 00:58:28,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-24 00:58:28,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 4536 transitions. [2024-11-24 00:58:28,025 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8894117647058823 [2024-11-24 00:58:28,025 INFO L175 Difference]: Start difference. First operand has 437 places, 439 transitions, 926 flow. Second operand 10 states and 4536 transitions. [2024-11-24 00:58:28,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 496 transitions, 1258 flow [2024-11-24 00:58:28,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 496 transitions, 1258 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-24 00:58:28,039 INFO L231 Difference]: Finished difference. Result has 450 places, 473 transitions, 1181 flow [2024-11-24 00:58:28,040 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=926, PETRI_DIFFERENCE_MINUEND_PLACES=437, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1181, PETRI_PLACES=450, PETRI_TRANSITIONS=473} [2024-11-24 00:58:28,041 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -22 predicate places. [2024-11-24 00:58:28,042 INFO L471 AbstractCegarLoop]: Abstraction has has 450 places, 473 transitions, 1181 flow [2024-11-24 00:58:28,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 448.2857142857143) internal successors, (3138), 7 states have internal predecessors, (3138), 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) [2024-11-24 00:58:28,044 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:58:28,046 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:28,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 00:58:28,046 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-24 00:58:28,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:28,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1341372969, now seen corresponding path program 1 times [2024-11-24 00:58:28,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:58:28,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324942024] [2024-11-24 00:58:28,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:28,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:58:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:28,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:58:28,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:58:28,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324942024] [2024-11-24 00:58:28,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324942024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:58:28,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:58:28,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:58:28,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925619723] [2024-11-24 00:58:28,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:28,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:58:28,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:58:28,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:58:28,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:58:28,437 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 472 out of 510 [2024-11-24 00:58:28,440 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 473 transitions, 1181 flow. Second operand has 5 states, 5 states have (on average 474.0) internal successors, (2370), 5 states have internal predecessors, (2370), 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) [2024-11-24 00:58:28,440 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:58:28,441 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 472 of 510 [2024-11-24 00:58:28,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:58:29,246 INFO L124 PetriNetUnfolderBase]: 153/2461 cut-off events. [2024-11-24 00:58:29,247 INFO L125 PetriNetUnfolderBase]: For 78/123 co-relation queries the response was YES. [2024-11-24 00:58:29,263 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3016 conditions, 2461 events. 153/2461 cut-off events. For 78/123 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 14929 event pairs, 45 based on Foata normal form. 10/2294 useless extension candidates. Maximal degree in co-relation 2965. Up to 121 conditions per place. [2024-11-24 00:58:29,280 INFO L140 encePairwiseOnDemand]: 504/510 looper letters, 24 selfloop transitions, 5 changer transitions 0/484 dead transitions. [2024-11-24 00:58:29,280 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 484 transitions, 1269 flow [2024-11-24 00:58:29,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:58:29,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-24 00:58:29,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2390 transitions. [2024-11-24 00:58:29,292 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9372549019607843 [2024-11-24 00:58:29,293 INFO L175 Difference]: Start difference. First operand has 450 places, 473 transitions, 1181 flow. Second operand 5 states and 2390 transitions. [2024-11-24 00:58:29,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 484 transitions, 1269 flow [2024-11-24 00:58:29,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 484 transitions, 1269 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-24 00:58:29,311 INFO L231 Difference]: Finished difference. Result has 456 places, 475 transitions, 1206 flow [2024-11-24 00:58:29,312 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=1181, PETRI_DIFFERENCE_MINUEND_PLACES=450, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=473, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1206, PETRI_PLACES=456, PETRI_TRANSITIONS=475} [2024-11-24 00:58:29,313 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -16 predicate places. [2024-11-24 00:58:29,313 INFO L471 AbstractCegarLoop]: Abstraction has has 456 places, 475 transitions, 1206 flow [2024-11-24 00:58:29,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 474.0) internal successors, (2370), 5 states have internal predecessors, (2370), 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) [2024-11-24 00:58:29,316 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:58:29,316 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:29,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-24 00:58:29,317 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-24 00:58:29,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:29,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1055991757, now seen corresponding path program 1 times [2024-11-24 00:58:29,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:58:29,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296441877] [2024-11-24 00:58:29,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:29,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:58:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:30,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:58:30,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:58:30,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296441877] [2024-11-24 00:58:30,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296441877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:58:30,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:58:30,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:58:30,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831730201] [2024-11-24 00:58:30,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:30,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:58:30,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:58:30,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:58:30,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:58:31,777 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 510 [2024-11-24 00:58:31,781 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 475 transitions, 1206 flow. Second operand has 6 states, 6 states have (on average 447.6666666666667) internal successors, (2686), 6 states have internal predecessors, (2686), 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) [2024-11-24 00:58:31,782 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:58:31,782 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 510 [2024-11-24 00:58:31,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:58:34,619 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1249] L67-1-->L67-2: Formula: (= |v_#race~A~0_7| 0) InVars {} OutVars{#race~A~0=|v_#race~A~0_7|} AuxVars[] AssignedVars[#race~A~0][364], [504#(= |#race~N~0| 0), 77#L67-2true, Black: 543#(<= ~N~0 0), 559#true, Black: 544#(and (<= ~N~0 0) (= thread1Thread1of1ForFork2_~i~0 0)), Black: 548#(and (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_~size#1|) (= |ULTIMATE.start_create_fresh_uint_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_#in~size#1|)), Black: 550#(and (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_~size#1|) (= |ULTIMATE.start_create_fresh_uint_array_~i~3#1| 0) (<= ~N~0 0) (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_#in~size#1|)), 536#(= |#race~C2~0| 0), Black: 526#true, 525#(= |#race~M~0| 0), Black: 562#(<= (+ ~M~0 1) 0), Black: 530#true, Black: 563#(and (<= (+ ~M~0 1) 0) (= thread2Thread1of1ForFork0_~i~1 0)), 538#true, 528#(= |#race~C1~0| 0), Black: 534#true, 207#L89-4true, 532#(= |#race~A~0| 0), 566#true, 142#L51-2true, 342#L62true]) [2024-11-24 00:58:34,620 INFO L294 olderBase$Statistics]: this new event has 349 ancestors and is cut-off event [2024-11-24 00:58:34,620 INFO L297 olderBase$Statistics]: existing Event has 315 ancestors and is cut-off event [2024-11-24 00:58:34,620 INFO L297 olderBase$Statistics]: existing Event has 315 ancestors and is cut-off event [2024-11-24 00:58:34,620 INFO L297 olderBase$Statistics]: existing Event has 349 ancestors and is cut-off event [2024-11-24 00:58:35,396 INFO L124 PetriNetUnfolderBase]: 2248/13787 cut-off events. [2024-11-24 00:58:35,396 INFO L125 PetriNetUnfolderBase]: For 873/909 co-relation queries the response was YES. [2024-11-24 00:58:35,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18861 conditions, 13787 events. 2248/13787 cut-off events. For 873/909 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 151624 event pairs, 1160 based on Foata normal form. 0/12402 useless extension candidates. Maximal degree in co-relation 18809. Up to 3033 conditions per place. [2024-11-24 00:58:35,503 INFO L140 encePairwiseOnDemand]: 495/510 looper letters, 54 selfloop transitions, 38 changer transitions 0/520 dead transitions. [2024-11-24 00:58:35,504 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 520 transitions, 1488 flow [2024-11-24 00:58:35,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:58:35,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-24 00:58:35,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2767 transitions. [2024-11-24 00:58:35,510 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9042483660130719 [2024-11-24 00:58:35,510 INFO L175 Difference]: Start difference. First operand has 456 places, 475 transitions, 1206 flow. Second operand 6 states and 2767 transitions. [2024-11-24 00:58:35,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 520 transitions, 1488 flow [2024-11-24 00:58:35,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 520 transitions, 1483 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:58:35,537 INFO L231 Difference]: Finished difference. Result has 464 places, 512 transitions, 1455 flow [2024-11-24 00:58:35,538 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=1201, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=475, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=461, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1455, PETRI_PLACES=464, PETRI_TRANSITIONS=512} [2024-11-24 00:58:35,539 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -8 predicate places. [2024-11-24 00:58:35,539 INFO L471 AbstractCegarLoop]: Abstraction has has 464 places, 512 transitions, 1455 flow [2024-11-24 00:58:35,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 447.6666666666667) internal successors, (2686), 6 states have internal predecessors, (2686), 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) [2024-11-24 00:58:35,541 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:58:35,541 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:35,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-24 00:58:35,541 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-24 00:58:35,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:35,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1195836239, now seen corresponding path program 1 times [2024-11-24 00:58:35,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:58:35,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859683127] [2024-11-24 00:58:35,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:35,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:58:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:35,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:58:35,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:58:35,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859683127] [2024-11-24 00:58:35,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859683127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:58:35,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:58:35,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:58:35,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244700264] [2024-11-24 00:58:35,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:35,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:58:35,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:58:35,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:58:35,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:58:35,684 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 475 out of 510 [2024-11-24 00:58:35,685 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 512 transitions, 1455 flow. Second operand has 3 states, 3 states have (on average 476.6666666666667) internal successors, (1430), 3 states have internal predecessors, (1430), 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) [2024-11-24 00:58:35,686 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:58:35,686 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 475 of 510 [2024-11-24 00:58:35,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:58:38,066 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1249] L67-1-->L67-2: Formula: (= |v_#race~A~0_7| 0) InVars {} OutVars{#race~A~0=|v_#race~A~0_7|} AuxVars[] AssignedVars[#race~A~0][356], [579#(= |#race~B~0| 0), Black: 526#true, 525#(= |#race~M~0| 0), Black: 530#true, Black: 534#true, 566#true, 142#L51-2true, 504#(= |#race~N~0| 0), 298#L59true, 77#L67-2true, Black: 543#(<= ~N~0 0), Black: 544#(and (<= ~N~0 0) (= thread1Thread1of1ForFork2_~i~0 0)), Black: 548#(and (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_~size#1|) (= |ULTIMATE.start_create_fresh_uint_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_#in~size#1|)), Black: 550#(and (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_~size#1|) (= |ULTIMATE.start_create_fresh_uint_array_~i~3#1| 0) (<= ~N~0 0) (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_#in~size#1|)), 536#(= |#race~C2~0| 0), Black: 562#(<= (+ ~M~0 1) 0), Black: 563#(and (<= (+ ~M~0 1) 0) (= thread2Thread1of1ForFork0_~i~1 0)), 538#true, 528#(= |#race~C1~0| 0), 207#L89-4true, 532#(= |#race~A~0| 0), Black: 570#(and (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset)) 0) (= 0 (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset 1))) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) 2 ~A~0.offset)) 0)), Black: 569#(and (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset)) 0) (= 0 (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset 1)))), Black: 568#(= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset)) 0), Black: 571#(and (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset)) 0) (= 0 (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset 1))) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) 3 ~A~0.offset)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) 2 ~A~0.offset)) 0))]) [2024-11-24 00:58:38,066 INFO L294 olderBase$Statistics]: this new event has 349 ancestors and is cut-off event [2024-11-24 00:58:38,066 INFO L297 olderBase$Statistics]: existing Event has 349 ancestors and is cut-off event [2024-11-24 00:58:38,066 INFO L297 olderBase$Statistics]: existing Event has 315 ancestors and is cut-off event [2024-11-24 00:58:38,066 INFO L297 olderBase$Statistics]: existing Event has 315 ancestors and is cut-off event [2024-11-24 00:58:38,474 INFO L124 PetriNetUnfolderBase]: 1600/11576 cut-off events. [2024-11-24 00:58:38,475 INFO L125 PetriNetUnfolderBase]: For 741/958 co-relation queries the response was YES. [2024-11-24 00:58:38,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16517 conditions, 11576 events. 1600/11576 cut-off events. For 741/958 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 122916 event pairs, 343 based on Foata normal form. 0/10650 useless extension candidates. Maximal degree in co-relation 16462. Up to 1365 conditions per place. [2024-11-24 00:58:38,575 INFO L140 encePairwiseOnDemand]: 504/510 looper letters, 18 selfloop transitions, 3 changer transitions 0/517 dead transitions. [2024-11-24 00:58:38,576 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 517 transitions, 1512 flow [2024-11-24 00:58:38,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:58:38,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:58:38,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1449 transitions. [2024-11-24 00:58:38,579 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9470588235294117 [2024-11-24 00:58:38,579 INFO L175 Difference]: Start difference. First operand has 464 places, 512 transitions, 1455 flow. Second operand 3 states and 1449 transitions. [2024-11-24 00:58:38,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 463 places, 517 transitions, 1512 flow [2024-11-24 00:58:38,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 517 transitions, 1512 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-24 00:58:38,606 INFO L231 Difference]: Finished difference. Result has 464 places, 512 transitions, 1470 flow [2024-11-24 00:58:38,607 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=1449, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=509, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1470, PETRI_PLACES=464, PETRI_TRANSITIONS=512} [2024-11-24 00:58:38,608 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, -8 predicate places. [2024-11-24 00:58:38,608 INFO L471 AbstractCegarLoop]: Abstraction has has 464 places, 512 transitions, 1470 flow [2024-11-24 00:58:38,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 476.6666666666667) internal successors, (1430), 3 states have internal predecessors, (1430), 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) [2024-11-24 00:58:38,609 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:58:38,610 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:38,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-24 00:58:38,610 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-24 00:58:38,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:38,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1382733673, now seen corresponding path program 1 times [2024-11-24 00:58:38,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:58:38,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221852109] [2024-11-24 00:58:38,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:38,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:58:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:39,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:58:39,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:58:39,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221852109] [2024-11-24 00:58:39,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221852109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:58:39,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:58:39,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:58:39,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994475202] [2024-11-24 00:58:39,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:39,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:58:39,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:58:39,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:58:39,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:58:40,396 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 510 [2024-11-24 00:58:40,399 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 512 transitions, 1470 flow. Second operand has 6 states, 6 states have (on average 447.8333333333333) internal successors, (2687), 6 states have internal predecessors, (2687), 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) [2024-11-24 00:58:40,399 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:58:40,399 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 510 [2024-11-24 00:58:40,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:58:45,730 INFO L124 PetriNetUnfolderBase]: 4627/22163 cut-off events. [2024-11-24 00:58:45,731 INFO L125 PetriNetUnfolderBase]: For 5500/8057 co-relation queries the response was YES. [2024-11-24 00:58:45,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36861 conditions, 22163 events. 4627/22163 cut-off events. For 5500/8057 co-relation queries the response was YES. Maximal size of possible extension queue 538. Compared 267158 event pairs, 1255 based on Foata normal form. 57/20417 useless extension candidates. Maximal degree in co-relation 36804. Up to 5415 conditions per place. [2024-11-24 00:58:45,919 INFO L140 encePairwiseOnDemand]: 495/510 looper letters, 85 selfloop transitions, 110 changer transitions 0/629 dead transitions. [2024-11-24 00:58:45,919 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 629 transitions, 2432 flow [2024-11-24 00:58:45,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:58:45,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-24 00:58:45,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2767 transitions. [2024-11-24 00:58:45,925 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9042483660130719 [2024-11-24 00:58:45,925 INFO L175 Difference]: Start difference. First operand has 464 places, 512 transitions, 1470 flow. Second operand 6 states and 2767 transitions. [2024-11-24 00:58:45,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 629 transitions, 2432 flow [2024-11-24 00:58:45,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 629 transitions, 2432 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-24 00:58:45,965 INFO L231 Difference]: Finished difference. Result has 474 places, 621 transitions, 2528 flow [2024-11-24 00:58:45,966 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=1470, PETRI_DIFFERENCE_MINUEND_PLACES=464, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=477, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2528, PETRI_PLACES=474, PETRI_TRANSITIONS=621} [2024-11-24 00:58:45,966 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, 2 predicate places. [2024-11-24 00:58:45,966 INFO L471 AbstractCegarLoop]: Abstraction has has 474 places, 621 transitions, 2528 flow [2024-11-24 00:58:45,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 447.8333333333333) internal successors, (2687), 6 states have internal predecessors, (2687), 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) [2024-11-24 00:58:45,968 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:58:45,968 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:45,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-24 00:58:45,968 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-24 00:58:45,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:45,970 INFO L85 PathProgramCache]: Analyzing trace with hash 135860595, now seen corresponding path program 1 times [2024-11-24 00:58:45,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:58:45,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019569276] [2024-11-24 00:58:45,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:45,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:58:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:47,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:58:47,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:58:47,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019569276] [2024-11-24 00:58:47,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019569276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:58:47,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:58:47,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:58:47,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366878503] [2024-11-24 00:58:47,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:47,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:58:47,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:58:47,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:58:47,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:58:48,078 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 510 [2024-11-24 00:58:48,081 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 621 transitions, 2528 flow. Second operand has 6 states, 6 states have (on average 447.6666666666667) internal successors, (2686), 6 states have internal predecessors, (2686), 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) [2024-11-24 00:58:48,081 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:58:48,081 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 510 [2024-11-24 00:58:48,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:58:53,933 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1249] L67-1-->L67-2: Formula: (= |v_#race~A~0_7| 0) InVars {} OutVars{#race~A~0=|v_#race~A~0_7|} AuxVars[] AssignedVars[#race~A~0][355], [579#(= |#race~B~0| 0), 592#true, Black: 577#true, Black: 586#(and (= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) ~A~0.offset 1)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) ~A~0.offset)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) 3 ~A~0.offset)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) 2 ~A~0.offset)) 0)), Black: 583#(= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) ~A~0.offset)) 0), Black: 585#(and (= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) ~A~0.offset 1)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) ~A~0.offset)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) 2 ~A~0.offset)) 0)), Black: 584#(and (= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) ~A~0.offset 1)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread3Thread1of1ForFork1_~i~2 4) ~A~0.offset)) 0)), Black: 526#true, 525#(= |#race~M~0| 0), Black: 530#true, Black: 534#true, 566#true, 142#L51-2true, 504#(= |#race~N~0| 0), 77#L67-2true, Black: 543#(<= ~N~0 0), Black: 544#(and (<= ~N~0 0) (= thread1Thread1of1ForFork2_~i~0 0)), Black: 548#(and (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_~size#1|) (= |ULTIMATE.start_create_fresh_uint_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_#in~size#1|)), Black: 550#(and (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_~size#1|) (= |ULTIMATE.start_create_fresh_uint_array_~i~3#1| 0) (<= ~N~0 0) (<= ~N~0 |ULTIMATE.start_create_fresh_uint_array_#in~size#1|)), 536#(= |#race~C2~0| 0), Black: 562#(<= (+ ~M~0 1) 0), Black: 563#(and (<= (+ ~M~0 1) 0) (= thread2Thread1of1ForFork0_~i~1 0)), 538#true, 528#(= |#race~C1~0| 0), 581#true, 207#L89-4true, 532#(= |#race~A~0| 0), Black: 570#(and (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset)) 0) (= 0 (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset 1))) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) 2 ~A~0.offset)) 0)), Black: 569#(and (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset)) 0) (= 0 (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset 1)))), Black: 568#(= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset)) 0), 342#L62true, Black: 571#(and (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset)) 0) (= 0 (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) ~A~0.offset 1))) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) 3 ~A~0.offset)) 0) (= (select (select |#race| ~A~0.base) (+ (* thread2Thread1of1ForFork0_~i~1 4) 2 ~A~0.offset)) 0))]) [2024-11-24 00:58:53,933 INFO L294 olderBase$Statistics]: this new event has 349 ancestors and is cut-off event [2024-11-24 00:58:53,933 INFO L297 olderBase$Statistics]: existing Event has 315 ancestors and is cut-off event [2024-11-24 00:58:53,933 INFO L297 olderBase$Statistics]: existing Event has 349 ancestors and is cut-off event [2024-11-24 00:58:53,933 INFO L297 olderBase$Statistics]: existing Event has 315 ancestors and is cut-off event [2024-11-24 00:58:55,365 INFO L124 PetriNetUnfolderBase]: 6954/31115 cut-off events. [2024-11-24 00:58:55,366 INFO L125 PetriNetUnfolderBase]: For 23438/33946 co-relation queries the response was YES. [2024-11-24 00:58:55,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61286 conditions, 31115 events. 6954/31115 cut-off events. For 23438/33946 co-relation queries the response was YES. Maximal size of possible extension queue 688. Compared 394867 event pairs, 1661 based on Foata normal form. 203/29017 useless extension candidates. Maximal degree in co-relation 61224. Up to 7756 conditions per place. [2024-11-24 00:58:55,699 INFO L140 encePairwiseOnDemand]: 495/510 looper letters, 187 selfloop transitions, 215 changer transitions 0/838 dead transitions. [2024-11-24 00:58:55,699 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 479 places, 838 transitions, 5026 flow [2024-11-24 00:58:55,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:58:55,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-24 00:58:55,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2767 transitions. [2024-11-24 00:58:55,707 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9042483660130719 [2024-11-24 00:58:55,707 INFO L175 Difference]: Start difference. First operand has 474 places, 621 transitions, 2528 flow. Second operand 6 states and 2767 transitions. [2024-11-24 00:58:55,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 479 places, 838 transitions, 5026 flow [2024-11-24 00:58:55,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 479 places, 838 transitions, 5026 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-24 00:58:55,824 INFO L231 Difference]: Finished difference. Result has 484 places, 830 transitions, 5178 flow [2024-11-24 00:58:55,824 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=2528, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=621, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=556, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=5178, PETRI_PLACES=484, PETRI_TRANSITIONS=830} [2024-11-24 00:58:55,825 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, 12 predicate places. [2024-11-24 00:58:55,825 INFO L471 AbstractCegarLoop]: Abstraction has has 484 places, 830 transitions, 5178 flow [2024-11-24 00:58:55,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 447.6666666666667) internal successors, (2686), 6 states have internal predecessors, (2686), 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) [2024-11-24 00:58:55,827 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:58:55,827 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:55,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-24 00:58:55,828 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-24 00:58:55,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:55,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1238298255, now seen corresponding path program 1 times [2024-11-24 00:58:55,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:58:55,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677739855] [2024-11-24 00:58:55,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:55,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:58:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:56,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:58:56,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:58:56,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677739855] [2024-11-24 00:58:56,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677739855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:58:56,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:58:56,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:58:56,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169210637] [2024-11-24 00:58:56,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:56,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:58:56,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:58:56,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:58:56,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:58:57,471 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 510 [2024-11-24 00:58:57,473 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 484 places, 830 transitions, 5178 flow. Second operand has 6 states, 6 states have (on average 447.8333333333333) internal successors, (2687), 6 states have internal predecessors, (2687), 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) [2024-11-24 00:58:57,473 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:58:57,474 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 510 [2024-11-24 00:58:57,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:59:07,841 INFO L124 PetriNetUnfolderBase]: 10076/38698 cut-off events. [2024-11-24 00:59:07,842 INFO L125 PetriNetUnfolderBase]: For 71639/80378 co-relation queries the response was YES. [2024-11-24 00:59:08,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93348 conditions, 38698 events. 10076/38698 cut-off events. For 71639/80378 co-relation queries the response was YES. Maximal size of possible extension queue 941. Compared 497122 event pairs, 1689 based on Foata normal form. 670/36722 useless extension candidates. Maximal degree in co-relation 93281. Up to 11029 conditions per place. [2024-11-24 00:59:08,221 INFO L140 encePairwiseOnDemand]: 495/510 looper letters, 382 selfloop transitions, 495 changer transitions 0/1319 dead transitions. [2024-11-24 00:59:08,221 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 1319 transitions, 12054 flow [2024-11-24 00:59:08,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:59:08,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-24 00:59:08,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2767 transitions. [2024-11-24 00:59:08,226 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9042483660130719 [2024-11-24 00:59:08,226 INFO L175 Difference]: Start difference. First operand has 484 places, 830 transitions, 5178 flow. Second operand 6 states and 2767 transitions. [2024-11-24 00:59:08,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 1319 transitions, 12054 flow [2024-11-24 00:59:08,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 489 places, 1319 transitions, 12054 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-24 00:59:08,399 INFO L231 Difference]: Finished difference. Result has 494 places, 1311 transitions, 12524 flow [2024-11-24 00:59:08,400 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=5178, PETRI_DIFFERENCE_MINUEND_PLACES=484, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=830, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=683, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=12524, PETRI_PLACES=494, PETRI_TRANSITIONS=1311} [2024-11-24 00:59:08,401 INFO L279 CegarLoopForPetriNet]: 472 programPoint places, 22 predicate places. [2024-11-24 00:59:08,401 INFO L471 AbstractCegarLoop]: Abstraction has has 494 places, 1311 transitions, 12524 flow [2024-11-24 00:59:08,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 447.8333333333333) internal successors, (2687), 6 states have internal predecessors, (2687), 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) [2024-11-24 00:59:08,402 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:59:08,402 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:59:08,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-24 00:59:08,402 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 65 more)] === [2024-11-24 00:59:08,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:59:08,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1958288497, now seen corresponding path program 1 times [2024-11-24 00:59:08,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:59:08,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211322019] [2024-11-24 00:59:08,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:59:08,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:59:08,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:59:09,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:59:09,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:59:09,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211322019] [2024-11-24 00:59:09,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211322019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:59:09,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:59:09,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:59:09,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442144466] [2024-11-24 00:59:09,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:59:09,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:59:09,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:59:09,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:59:09,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:59:09,850 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 510 [2024-11-24 00:59:09,852 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 494 places, 1311 transitions, 12524 flow. Second operand has 6 states, 6 states have (on average 419.1666666666667) internal successors, (2515), 6 states have internal predecessors, (2515), 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) [2024-11-24 00:59:09,852 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:59:09,852 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 510 [2024-11-24 00:59:09,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand