./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-sum-array-hom.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_f4b3502d-e8eb-4276-8c8d-f6595097b61b/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b3502d-e8eb-4276-8c8d-f6595097b61b/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_f4b3502d-e8eb-4276-8c8d-f6595097b61b/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b3502d-e8eb-4276-8c8d-f6595097b61b/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b3502d-e8eb-4276-8c8d-f6595097b61b/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_f4b3502d-e8eb-4276-8c8d-f6595097b61b/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 37731ec014f4053387ac8b56c0764486866d63670c206743514c9636df9b594a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:25:53,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:25:54,022 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b3502d-e8eb-4276-8c8d-f6595097b61b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-24 00:25:54,032 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:25:54,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:25:54,089 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:25:54,090 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:25:54,090 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:25:54,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:25:54,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:25:54,091 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:25:54,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:25:54,093 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:25:54,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:25:54,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:25:54,093 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:25:54,094 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:25:54,094 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:25:54,094 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:25:54,094 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:25:54,094 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:25:54,094 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:25:54,094 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-24 00:25:54,094 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:25:54,095 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:25:54,095 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:25:54,095 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:25:54,095 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:25:54,095 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:25:54,095 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:25:54,095 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:25:54,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:25:54,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:25:54,096 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:25:54,096 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:25:54,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:25:54,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:25:54,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:25:54,096 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:25:54,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:25:54,099 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:25:54,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:25:54,099 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:25:54,099 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:25:54,100 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:25:54,100 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:25:54,100 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_f4b3502d-e8eb-4276-8c8d-f6595097b61b/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 -> 37731ec014f4053387ac8b56c0764486866d63670c206743514c9636df9b594a [2024-11-24 00:25:54,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:25:54,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:25:54,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:25:54,445 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:25:54,446 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:25:54,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b3502d-e8eb-4276-8c8d-f6595097b61b/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c [2024-11-24 00:25:57,847 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b3502d-e8eb-4276-8c8d-f6595097b61b/bin/uautomizer-verify-LYvppIcaGC/data/15e38af5d/7548996842494be88a1a1251c0165b67/FLAG3b13565ea [2024-11-24 00:25:58,295 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:25:58,297 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b3502d-e8eb-4276-8c8d-f6595097b61b/sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c [2024-11-24 00:25:58,316 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b3502d-e8eb-4276-8c8d-f6595097b61b/bin/uautomizer-verify-LYvppIcaGC/data/15e38af5d/7548996842494be88a1a1251c0165b67/FLAG3b13565ea [2024-11-24 00:25:58,343 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b3502d-e8eb-4276-8c8d-f6595097b61b/bin/uautomizer-verify-LYvppIcaGC/data/15e38af5d/7548996842494be88a1a1251c0165b67 [2024-11-24 00:25:58,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:25:58,351 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:25:58,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:25:58,354 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:25:58,361 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:25:58,362 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:25:58" (1/1) ... [2024-11-24 00:25:58,363 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7854599a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:58, skipping insertion in model container [2024-11-24 00:25:58,363 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:25:58" (1/1) ... [2024-11-24 00:25:58,388 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:25:58,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:25:58,692 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:25:58,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:25:58,758 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:25:58,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:58 WrapperNode [2024-11-24 00:25:58,759 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:25:58,761 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:25:58,761 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:25:58,761 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:25:58,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:58" (1/1) ... [2024-11-24 00:25:58,779 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:58" (1/1) ... [2024-11-24 00:25:58,816 INFO L138 Inliner]: procedures = 24, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2024-11-24 00:25:58,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:25:58,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:25:58,820 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:25:58,820 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:25:58,829 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:58" (1/1) ... [2024-11-24 00:25:58,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:58" (1/1) ... [2024-11-24 00:25:58,837 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:58" (1/1) ... [2024-11-24 00:25:58,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:58" (1/1) ... [2024-11-24 00:25:58,856 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:58" (1/1) ... [2024-11-24 00:25:58,860 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:58" (1/1) ... [2024-11-24 00:25:58,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:58" (1/1) ... [2024-11-24 00:25:58,870 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:58" (1/1) ... [2024-11-24 00:25:58,876 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:58" (1/1) ... [2024-11-24 00:25:58,879 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:25:58,880 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:25:58,880 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:25:58,880 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:25:58,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:58" (1/1) ... [2024-11-24 00:25:58,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:25:58,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b3502d-e8eb-4276-8c8d-f6595097b61b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:25:58,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b3502d-e8eb-4276-8c8d-f6595097b61b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:25:58,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b3502d-e8eb-4276-8c8d-f6595097b61b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:25:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:25:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-24 00:25:58,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-24 00:25:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-24 00:25:58,972 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-24 00:25:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-24 00:25:58,972 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-24 00:25:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 00:25:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-24 00:25:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 00:25:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:25:58,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:25:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-24 00:25:58,975 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 00:25:59,151 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:25:59,154 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:25:59,764 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-24 00:25:59,764 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:25:59,783 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:25:59,784 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-24 00:25:59,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:25:59 BoogieIcfgContainer [2024-11-24 00:25:59,784 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:25:59,788 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:25:59,788 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:25:59,793 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:25:59,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:25:58" (1/3) ... [2024-11-24 00:25:59,794 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d7a39b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:25:59, skipping insertion in model container [2024-11-24 00:25:59,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:25:58" (2/3) ... [2024-11-24 00:25:59,795 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d7a39b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:25:59, skipping insertion in model container [2024-11-24 00:25:59,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:25:59" (3/3) ... [2024-11-24 00:25:59,797 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-sum-array-hom.wvr.c [2024-11-24 00:25:59,817 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:25:59,819 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-sum-array-hom.wvr.c that has 4 procedures, 256 locations, 1 initial locations, 4 loop locations, and 27 error locations. [2024-11-24 00:25:59,819 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-24 00:26:00,006 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-24 00:26:00,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 265 places, 268 transitions, 557 flow [2024-11-24 00:26:00,275 INFO L124 PetriNetUnfolderBase]: 13/265 cut-off events. [2024-11-24 00:26:00,278 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-24 00:26:00,292 INFO L83 FinitePrefix]: Finished finitePrefix Result has 278 conditions, 265 events. 13/265 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 423 event pairs, 0 based on Foata normal form. 0/225 useless extension candidates. Maximal degree in co-relation 201. Up to 2 conditions per place. [2024-11-24 00:26:00,293 INFO L82 GeneralOperation]: Start removeDead. Operand has 265 places, 268 transitions, 557 flow [2024-11-24 00:26:00,307 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 246 places, 248 transitions, 514 flow [2024-11-24 00:26:00,323 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:26:00,347 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;@6cdfd83c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:26:00,349 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2024-11-24 00:26:00,360 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-24 00:26:00,361 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-24 00:26:00,361 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-24 00:26:00,362 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:26:00,362 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 00:26:00,364 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-24 00:26:00,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:00,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1006013612, now seen corresponding path program 1 times [2024-11-24 00:26:00,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:00,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597304434] [2024-11-24 00:26:00,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:00,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:00,682 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 00:26:00,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:00,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597304434] [2024-11-24 00:26:00,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597304434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:00,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:00,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:26:00,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077006295] [2024-11-24 00:26:00,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:00,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:26:00,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:00,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:26:00,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:26:00,822 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 268 [2024-11-24 00:26:00,827 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 248 transitions, 514 flow. Second operand has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 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 00:26:00,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:26:00,828 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 268 [2024-11-24 00:26:00,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:26:01,064 INFO L124 PetriNetUnfolderBase]: 19/449 cut-off events. [2024-11-24 00:26:01,065 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-11-24 00:26:01,069 INFO L83 FinitePrefix]: Finished finitePrefix Result has 501 conditions, 449 events. 19/449 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1610 event pairs, 7 based on Foata normal form. 16/389 useless extension candidates. Maximal degree in co-relation 311. Up to 31 conditions per place. [2024-11-24 00:26:01,077 INFO L140 encePairwiseOnDemand]: 258/268 looper letters, 13 selfloop transitions, 2 changer transitions 3/240 dead transitions. [2024-11-24 00:26:01,077 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 240 transitions, 528 flow [2024-11-24 00:26:01,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:26:01,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:26:01,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 749 transitions. [2024-11-24 00:26:01,105 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.931592039800995 [2024-11-24 00:26:01,109 INFO L175 Difference]: Start difference. First operand has 246 places, 248 transitions, 514 flow. Second operand 3 states and 749 transitions. [2024-11-24 00:26:01,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 240 transitions, 528 flow [2024-11-24 00:26:01,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 240 transitions, 516 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-24 00:26:01,131 INFO L231 Difference]: Finished difference. Result has 241 places, 237 transitions, 484 flow [2024-11-24 00:26:01,135 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=484, PETRI_PLACES=241, PETRI_TRANSITIONS=237} [2024-11-24 00:26:01,143 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -5 predicate places. [2024-11-24 00:26:01,143 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 237 transitions, 484 flow [2024-11-24 00:26:01,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 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 00:26:01,144 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:26:01,144 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:26:01,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 00:26:01,147 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-24 00:26:01,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:01,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1238761491, now seen corresponding path program 1 times [2024-11-24 00:26:01,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:01,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982659639] [2024-11-24 00:26:01,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:01,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:01,241 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 00:26:01,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:01,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982659639] [2024-11-24 00:26:01,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982659639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:01,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:01,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:26:01,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510541810] [2024-11-24 00:26:01,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:01,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:26:01,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:01,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:26:01,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:26:01,317 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 268 [2024-11-24 00:26:01,319 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 237 transitions, 484 flow. Second operand has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 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 00:26:01,319 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:26:01,319 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 268 [2024-11-24 00:26:01,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:26:01,442 INFO L124 PetriNetUnfolderBase]: 13/339 cut-off events. [2024-11-24 00:26:01,442 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-24 00:26:01,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 377 conditions, 339 events. 13/339 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1034 event pairs, 5 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 346. Up to 27 conditions per place. [2024-11-24 00:26:01,448 INFO L140 encePairwiseOnDemand]: 265/268 looper letters, 13 selfloop transitions, 2 changer transitions 0/236 dead transitions. [2024-11-24 00:26:01,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 236 transitions, 512 flow [2024-11-24 00:26:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:26:01,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:26:01,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 742 transitions. [2024-11-24 00:26:01,451 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9228855721393034 [2024-11-24 00:26:01,452 INFO L175 Difference]: Start difference. First operand has 241 places, 237 transitions, 484 flow. Second operand 3 states and 742 transitions. [2024-11-24 00:26:01,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 236 transitions, 512 flow [2024-11-24 00:26:01,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 236 transitions, 508 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:26:01,464 INFO L231 Difference]: Finished difference. Result has 237 places, 236 transitions, 482 flow [2024-11-24 00:26:01,465 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=482, PETRI_PLACES=237, PETRI_TRANSITIONS=236} [2024-11-24 00:26:01,467 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -9 predicate places. [2024-11-24 00:26:01,468 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 236 transitions, 482 flow [2024-11-24 00:26:01,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 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 00:26:01,469 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:26:01,469 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 00:26:01,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:26:01,469 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-24 00:26:01,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:01,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1891894807, now seen corresponding path program 1 times [2024-11-24 00:26:01,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:01,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670482970] [2024-11-24 00:26:01,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:01,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:01,623 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 00:26:01,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:01,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670482970] [2024-11-24 00:26:01,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670482970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:01,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:01,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:26:01,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082930632] [2024-11-24 00:26:01,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:01,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:26:01,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:01,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:26:01,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:26:01,668 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 268 [2024-11-24 00:26:01,669 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 236 transitions, 482 flow. Second operand has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 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 00:26:01,670 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:26:01,670 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 268 [2024-11-24 00:26:01,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:26:01,832 INFO L124 PetriNetUnfolderBase]: 25/432 cut-off events. [2024-11-24 00:26:01,833 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-24 00:26:01,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 491 conditions, 432 events. 25/432 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1672 event pairs, 12 based on Foata normal form. 0/368 useless extension candidates. Maximal degree in co-relation 452. Up to 46 conditions per place. [2024-11-24 00:26:01,841 INFO L140 encePairwiseOnDemand]: 263/268 looper letters, 14 selfloop transitions, 1 changer transitions 0/232 dead transitions. [2024-11-24 00:26:01,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 232 transitions, 504 flow [2024-11-24 00:26:01,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:26:01,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:26:01,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 739 transitions. [2024-11-24 00:26:01,845 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9191542288557214 [2024-11-24 00:26:01,845 INFO L175 Difference]: Start difference. First operand has 237 places, 236 transitions, 482 flow. Second operand 3 states and 739 transitions. [2024-11-24 00:26:01,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 232 transitions, 504 flow [2024-11-24 00:26:01,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 232 transitions, 500 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:26:01,859 INFO L231 Difference]: Finished difference. Result has 233 places, 232 transitions, 472 flow [2024-11-24 00:26:01,863 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=472, PETRI_PLACES=233, PETRI_TRANSITIONS=232} [2024-11-24 00:26:01,864 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -13 predicate places. [2024-11-24 00:26:01,864 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 232 transitions, 472 flow [2024-11-24 00:26:01,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 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 00:26:01,865 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:26:01,865 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 00:26:01,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:26:01,865 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-24 00:26:01,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:01,866 INFO L85 PathProgramCache]: Analyzing trace with hash 989097495, now seen corresponding path program 1 times [2024-11-24 00:26:01,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:01,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515621765] [2024-11-24 00:26:01,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:01,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:01,992 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 00:26:01,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:01,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515621765] [2024-11-24 00:26:01,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515621765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:01,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:01,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:26:01,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032255187] [2024-11-24 00:26:01,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:01,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:26:01,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:01,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:26:01,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:26:02,039 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 268 [2024-11-24 00:26:02,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 232 transitions, 472 flow. Second operand has 3 states, 3 states have (on average 244.33333333333334) internal successors, (733), 3 states have internal predecessors, (733), 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 00:26:02,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:26:02,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 268 [2024-11-24 00:26:02,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:26:02,164 INFO L124 PetriNetUnfolderBase]: 24/403 cut-off events. [2024-11-24 00:26:02,164 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-24 00:26:02,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 455 conditions, 403 events. 24/403 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1541 event pairs, 15 based on Foata normal form. 0/352 useless extension candidates. Maximal degree in co-relation 416. Up to 40 conditions per place. [2024-11-24 00:26:02,170 INFO L140 encePairwiseOnDemand]: 265/268 looper letters, 12 selfloop transitions, 2 changer transitions 0/231 dead transitions. [2024-11-24 00:26:02,170 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 231 transitions, 498 flow [2024-11-24 00:26:02,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:26:02,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:26:02,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 744 transitions. [2024-11-24 00:26:02,175 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9253731343283582 [2024-11-24 00:26:02,175 INFO L175 Difference]: Start difference. First operand has 233 places, 232 transitions, 472 flow. Second operand 3 states and 744 transitions. [2024-11-24 00:26:02,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 231 transitions, 498 flow [2024-11-24 00:26:02,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 231 transitions, 497 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-24 00:26:02,181 INFO L231 Difference]: Finished difference. Result has 233 places, 231 transitions, 473 flow [2024-11-24 00:26:02,182 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=469, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=473, PETRI_PLACES=233, PETRI_TRANSITIONS=231} [2024-11-24 00:26:02,183 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -13 predicate places. [2024-11-24 00:26:02,184 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 231 transitions, 473 flow [2024-11-24 00:26:02,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 244.33333333333334) internal successors, (733), 3 states have internal predecessors, (733), 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 00:26:02,186 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:26:02,186 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 00:26:02,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:26:02,187 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-24 00:26:02,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:02,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1794010381, now seen corresponding path program 1 times [2024-11-24 00:26:02,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:02,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924933058] [2024-11-24 00:26:02,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:02,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:03,435 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 00:26:03,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:03,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924933058] [2024-11-24 00:26:03,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924933058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:03,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:03,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:26:03,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374770142] [2024-11-24 00:26:03,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:03,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:26:03,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:03,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:26:03,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:26:03,696 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 268 [2024-11-24 00:26:03,699 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 231 transitions, 473 flow. Second operand has 6 states, 6 states have (on average 228.5) internal successors, (1371), 6 states have internal predecessors, (1371), 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 00:26:03,699 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:26:03,699 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 268 [2024-11-24 00:26:03,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:26:04,392 INFO L124 PetriNetUnfolderBase]: 394/2179 cut-off events. [2024-11-24 00:26:04,392 INFO L125 PetriNetUnfolderBase]: For 59/59 co-relation queries the response was YES. [2024-11-24 00:26:04,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2800 conditions, 2179 events. 394/2179 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 17698 event pairs, 264 based on Foata normal form. 0/1774 useless extension candidates. Maximal degree in co-relation 2762. Up to 580 conditions per place. [2024-11-24 00:26:04,430 INFO L140 encePairwiseOnDemand]: 262/268 looper letters, 26 selfloop transitions, 5 changer transitions 0/230 dead transitions. [2024-11-24 00:26:04,431 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 230 transitions, 533 flow [2024-11-24 00:26:04,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:26:04,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-24 00:26:04,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1394 transitions. [2024-11-24 00:26:04,436 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8669154228855721 [2024-11-24 00:26:04,436 INFO L175 Difference]: Start difference. First operand has 233 places, 231 transitions, 473 flow. Second operand 6 states and 1394 transitions. [2024-11-24 00:26:04,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 230 transitions, 533 flow [2024-11-24 00:26:04,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 230 transitions, 529 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:26:04,444 INFO L231 Difference]: Finished difference. Result has 235 places, 230 transitions, 477 flow [2024-11-24 00:26:04,445 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=477, PETRI_PLACES=235, PETRI_TRANSITIONS=230} [2024-11-24 00:26:04,447 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -11 predicate places. [2024-11-24 00:26:04,447 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 230 transitions, 477 flow [2024-11-24 00:26:04,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 228.5) internal successors, (1371), 6 states have internal predecessors, (1371), 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 00:26:04,449 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:26:04,449 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] [2024-11-24 00:26:04,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 00:26:04,449 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-24 00:26:04,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:04,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1323226986, now seen corresponding path program 1 times [2024-11-24 00:26:04,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:04,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971678576] [2024-11-24 00:26:04,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:04,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:04,537 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 00:26:04,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:04,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971678576] [2024-11-24 00:26:04,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971678576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:04,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:04,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:26:04,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284845321] [2024-11-24 00:26:04,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:04,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:26:04,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:04,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:26:04,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:26:04,576 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 268 [2024-11-24 00:26:04,578 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 230 transitions, 477 flow. Second operand has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 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 00:26:04,579 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:26:04,579 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 268 [2024-11-24 00:26:04,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:26:04,711 INFO L124 PetriNetUnfolderBase]: 37/538 cut-off events. [2024-11-24 00:26:04,711 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-24 00:26:04,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 609 conditions, 538 events. 37/538 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2446 event pairs, 20 based on Foata normal form. 0/466 useless extension candidates. Maximal degree in co-relation 591. Up to 56 conditions per place. [2024-11-24 00:26:04,717 INFO L140 encePairwiseOnDemand]: 263/268 looper letters, 14 selfloop transitions, 1 changer transitions 0/226 dead transitions. [2024-11-24 00:26:04,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 226 transitions, 499 flow [2024-11-24 00:26:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:26:04,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:26:04,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 739 transitions. [2024-11-24 00:26:04,720 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9191542288557214 [2024-11-24 00:26:04,721 INFO L175 Difference]: Start difference. First operand has 235 places, 230 transitions, 477 flow. Second operand 3 states and 739 transitions. [2024-11-24 00:26:04,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 226 transitions, 499 flow [2024-11-24 00:26:04,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 226 transitions, 489 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-24 00:26:04,725 INFO L231 Difference]: Finished difference. Result has 228 places, 226 transitions, 461 flow [2024-11-24 00:26:04,726 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=459, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=461, PETRI_PLACES=228, PETRI_TRANSITIONS=226} [2024-11-24 00:26:04,727 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -18 predicate places. [2024-11-24 00:26:04,727 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 226 transitions, 461 flow [2024-11-24 00:26:04,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 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 00:26:04,728 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:26:04,728 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:26:04,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 00:26:04,729 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-24 00:26:04,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:04,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1420315515, now seen corresponding path program 1 times [2024-11-24 00:26:04,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:04,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539121792] [2024-11-24 00:26:04,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:04,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:04,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:26:04,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:04,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539121792] [2024-11-24 00:26:04,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539121792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:04,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:04,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:26:04,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813209439] [2024-11-24 00:26:04,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:04,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:26:04,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:04,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:26:04,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:26:04,811 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 268 [2024-11-24 00:26:04,812 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 226 transitions, 461 flow. Second operand has 3 states, 3 states have (on average 247.0) internal successors, (741), 3 states have internal predecessors, (741), 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 00:26:04,812 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:26:04,813 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 268 [2024-11-24 00:26:04,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:26:04,885 INFO L124 PetriNetUnfolderBase]: 14/291 cut-off events. [2024-11-24 00:26:04,885 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-24 00:26:04,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 291 events. 14/291 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 763 event pairs, 2 based on Foata normal form. 0/266 useless extension candidates. Maximal degree in co-relation 293. Up to 14 conditions per place. [2024-11-24 00:26:04,888 INFO L140 encePairwiseOnDemand]: 263/268 looper letters, 10 selfloop transitions, 3 changer transitions 0/226 dead transitions. [2024-11-24 00:26:04,888 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 226 transitions, 489 flow [2024-11-24 00:26:04,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:26:04,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:26:04,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 753 transitions. [2024-11-24 00:26:04,891 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9365671641791045 [2024-11-24 00:26:04,891 INFO L175 Difference]: Start difference. First operand has 228 places, 226 transitions, 461 flow. Second operand 3 states and 753 transitions. [2024-11-24 00:26:04,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 226 transitions, 489 flow [2024-11-24 00:26:04,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 226 transitions, 488 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-24 00:26:04,897 INFO L231 Difference]: Finished difference. Result has 227 places, 224 transitions, 462 flow [2024-11-24 00:26:04,897 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=462, PETRI_PLACES=227, PETRI_TRANSITIONS=224} [2024-11-24 00:26:04,899 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -19 predicate places. [2024-11-24 00:26:04,899 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 224 transitions, 462 flow [2024-11-24 00:26:04,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 247.0) internal successors, (741), 3 states have internal predecessors, (741), 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 00:26:04,900 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:26:04,900 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] [2024-11-24 00:26:04,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 00:26:04,900 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-24 00:26:04,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:04,902 INFO L85 PathProgramCache]: Analyzing trace with hash 876410503, now seen corresponding path program 1 times [2024-11-24 00:26:04,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:04,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892106437] [2024-11-24 00:26:04,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:04,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:04,989 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 00:26:04,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:04,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892106437] [2024-11-24 00:26:04,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892106437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:04,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:04,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:26:04,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486436681] [2024-11-24 00:26:04,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:04,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:26:04,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:04,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:26:04,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:26:05,023 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 268 [2024-11-24 00:26:05,024 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 224 transitions, 462 flow. Second operand has 3 states, 3 states have (on average 244.33333333333334) internal successors, (733), 3 states have internal predecessors, (733), 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 00:26:05,024 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:26:05,024 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 268 [2024-11-24 00:26:05,024 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:26:05,248 INFO L124 PetriNetUnfolderBase]: 114/1110 cut-off events. [2024-11-24 00:26:05,249 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-24 00:26:05,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1309 conditions, 1110 events. 114/1110 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 7386 event pairs, 22 based on Foata normal form. 0/965 useless extension candidates. Maximal degree in co-relation 1271. Up to 161 conditions per place. [2024-11-24 00:26:05,261 INFO L140 encePairwiseOnDemand]: 262/268 looper letters, 18 selfloop transitions, 3 changer transitions 0/229 dead transitions. [2024-11-24 00:26:05,261 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 229 transitions, 519 flow [2024-11-24 00:26:05,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:26:05,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:26:05,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 753 transitions. [2024-11-24 00:26:05,264 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9365671641791045 [2024-11-24 00:26:05,264 INFO L175 Difference]: Start difference. First operand has 227 places, 224 transitions, 462 flow. Second operand 3 states and 753 transitions. [2024-11-24 00:26:05,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 229 transitions, 519 flow [2024-11-24 00:26:05,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 229 transitions, 513 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:26:05,270 INFO L231 Difference]: Finished difference. Result has 225 places, 224 transitions, 471 flow [2024-11-24 00:26:05,270 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=471, PETRI_PLACES=225, PETRI_TRANSITIONS=224} [2024-11-24 00:26:05,271 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -21 predicate places. [2024-11-24 00:26:05,271 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 224 transitions, 471 flow [2024-11-24 00:26:05,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 244.33333333333334) internal successors, (733), 3 states have internal predecessors, (733), 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 00:26:05,272 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:26:05,272 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] [2024-11-24 00:26:05,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 00:26:05,273 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-24 00:26:05,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:05,273 INFO L85 PathProgramCache]: Analyzing trace with hash 666367412, now seen corresponding path program 1 times [2024-11-24 00:26:05,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:05,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115667909] [2024-11-24 00:26:05,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:05,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:05,359 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 00:26:05,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:05,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115667909] [2024-11-24 00:26:05,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115667909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:05,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:05,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:26:05,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731388875] [2024-11-24 00:26:05,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:05,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:26:05,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:05,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:26:05,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:26:05,380 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 268 [2024-11-24 00:26:05,381 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 224 transitions, 471 flow. Second operand has 3 states, 3 states have (on average 247.33333333333334) internal successors, (742), 3 states have internal predecessors, (742), 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 00:26:05,381 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:26:05,381 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 268 [2024-11-24 00:26:05,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:26:05,502 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([703] thread3EXIT-->L87: Formula: (and (= |v_ULTIMATE.start_main_~t3~0#1_6| v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][210], [288#(= |#race~M~0| 0), 44#L87true, Black: 292#true, 294#(= |#race~A~0| 0), 276#(= |#race~N~0| 0), 296#true]) [2024-11-24 00:26:05,502 INFO L294 olderBase$Statistics]: this new event has 147 ancestors and is not cut-off event [2024-11-24 00:26:05,502 INFO L297 olderBase$Statistics]: existing Event has 169 ancestors and is not cut-off event [2024-11-24 00:26:05,503 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is not cut-off event [2024-11-24 00:26:05,503 INFO L297 olderBase$Statistics]: existing Event has 169 ancestors and is not cut-off event [2024-11-24 00:26:05,504 INFO L124 PetriNetUnfolderBase]: 57/541 cut-off events. [2024-11-24 00:26:05,504 INFO L125 PetriNetUnfolderBase]: For 21/32 co-relation queries the response was YES. [2024-11-24 00:26:05,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 672 conditions, 541 events. 57/541 cut-off events. For 21/32 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2417 event pairs, 5 based on Foata normal form. 1/492 useless extension candidates. Maximal degree in co-relation 634. Up to 45 conditions per place. [2024-11-24 00:26:05,511 INFO L140 encePairwiseOnDemand]: 263/268 looper letters, 10 selfloop transitions, 3 changer transitions 0/224 dead transitions. [2024-11-24 00:26:05,511 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 224 transitions, 499 flow [2024-11-24 00:26:05,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:26:05,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:26:05,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 753 transitions. [2024-11-24 00:26:05,514 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9365671641791045 [2024-11-24 00:26:05,514 INFO L175 Difference]: Start difference. First operand has 225 places, 224 transitions, 471 flow. Second operand 3 states and 753 transitions. [2024-11-24 00:26:05,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 224 transitions, 499 flow [2024-11-24 00:26:05,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 224 transitions, 499 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-24 00:26:05,521 INFO L231 Difference]: Finished difference. Result has 225 places, 222 transitions, 473 flow [2024-11-24 00:26:05,521 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=473, PETRI_PLACES=225, PETRI_TRANSITIONS=222} [2024-11-24 00:26:05,522 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -21 predicate places. [2024-11-24 00:26:05,522 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 222 transitions, 473 flow [2024-11-24 00:26:05,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 247.33333333333334) internal successors, (742), 3 states have internal predecessors, (742), 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 00:26:05,524 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:26:05,524 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] [2024-11-24 00:26:05,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 00:26:05,525 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-24 00:26:05,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:05,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1663076309, now seen corresponding path program 1 times [2024-11-24 00:26:05,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:05,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638634825] [2024-11-24 00:26:05,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:05,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:05,815 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 00:26:05,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:05,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638634825] [2024-11-24 00:26:05,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638634825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:05,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:05,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 00:26:05,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197522080] [2024-11-24 00:26:05,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:05,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:26:05,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:05,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:26:05,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:26:06,154 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 268 [2024-11-24 00:26:06,156 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 222 transitions, 473 flow. Second operand has 7 states, 7 states have (on average 239.85714285714286) internal successors, (1679), 7 states have internal predecessors, (1679), 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 00:26:06,156 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:26:06,156 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 268 [2024-11-24 00:26:06,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:26:06,466 INFO L124 PetriNetUnfolderBase]: 56/741 cut-off events. [2024-11-24 00:26:06,467 INFO L125 PetriNetUnfolderBase]: For 10/33 co-relation queries the response was YES. [2024-11-24 00:26:06,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 929 conditions, 741 events. 56/741 cut-off events. For 10/33 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3684 event pairs, 18 based on Foata normal form. 5/691 useless extension candidates. Maximal degree in co-relation 888. Up to 66 conditions per place. [2024-11-24 00:26:06,475 INFO L140 encePairwiseOnDemand]: 255/268 looper letters, 22 selfloop transitions, 14 changer transitions 0/237 dead transitions. [2024-11-24 00:26:06,476 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 237 transitions, 583 flow [2024-11-24 00:26:06,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 00:26:06,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-24 00:26:06,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2417 transitions. [2024-11-24 00:26:06,482 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9018656716417911 [2024-11-24 00:26:06,483 INFO L175 Difference]: Start difference. First operand has 225 places, 222 transitions, 473 flow. Second operand 10 states and 2417 transitions. [2024-11-24 00:26:06,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 237 transitions, 583 flow [2024-11-24 00:26:06,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 237 transitions, 577 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:26:06,489 INFO L231 Difference]: Finished difference. Result has 236 places, 229 transitions, 533 flow [2024-11-24 00:26:06,489 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=533, PETRI_PLACES=236, PETRI_TRANSITIONS=229} [2024-11-24 00:26:06,490 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -10 predicate places. [2024-11-24 00:26:06,490 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 229 transitions, 533 flow [2024-11-24 00:26:06,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 239.85714285714286) internal successors, (1679), 7 states have internal predecessors, (1679), 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 00:26:06,492 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:26:06,492 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] [2024-11-24 00:26:06,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 00:26:06,492 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-24 00:26:06,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:06,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1249399636, now seen corresponding path program 1 times [2024-11-24 00:26:06,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:06,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395196400] [2024-11-24 00:26:06,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:06,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:06,555 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 00:26:06,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:06,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395196400] [2024-11-24 00:26:06,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395196400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:06,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:06,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:26:06,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040885880] [2024-11-24 00:26:06,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:06,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:26:06,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:06,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:26:06,557 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:26:06,572 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 268 [2024-11-24 00:26:06,573 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 229 transitions, 533 flow. Second operand has 3 states, 3 states have (on average 247.66666666666666) internal successors, (743), 3 states have internal predecessors, (743), 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 00:26:06,573 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:26:06,573 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 268 [2024-11-24 00:26:06,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:26:06,734 INFO L124 PetriNetUnfolderBase]: 91/737 cut-off events. [2024-11-24 00:26:06,735 INFO L125 PetriNetUnfolderBase]: For 54/65 co-relation queries the response was YES. [2024-11-24 00:26:06,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 965 conditions, 737 events. 91/737 cut-off events. For 54/65 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3758 event pairs, 7 based on Foata normal form. 4/689 useless extension candidates. Maximal degree in co-relation 919. Up to 78 conditions per place. [2024-11-24 00:26:06,747 INFO L140 encePairwiseOnDemand]: 263/268 looper letters, 8 selfloop transitions, 2 changer transitions 6/229 dead transitions. [2024-11-24 00:26:06,747 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 229 transitions, 559 flow [2024-11-24 00:26:06,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:26:06,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:26:06,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 752 transitions. [2024-11-24 00:26:06,750 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9353233830845771 [2024-11-24 00:26:06,750 INFO L175 Difference]: Start difference. First operand has 236 places, 229 transitions, 533 flow. Second operand 3 states and 752 transitions. [2024-11-24 00:26:06,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 229 transitions, 559 flow [2024-11-24 00:26:06,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 229 transitions, 555 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-24 00:26:06,758 INFO L231 Difference]: Finished difference. Result has 235 places, 221 transitions, 516 flow [2024-11-24 00:26:06,759 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=525, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=516, PETRI_PLACES=235, PETRI_TRANSITIONS=221} [2024-11-24 00:26:06,759 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -11 predicate places. [2024-11-24 00:26:06,760 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 221 transitions, 516 flow [2024-11-24 00:26:06,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 247.66666666666666) internal successors, (743), 3 states have internal predecessors, (743), 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 00:26:06,760 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:26:06,761 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] [2024-11-24 00:26:06,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 00:26:06,761 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-24 00:26:06,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:06,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1617873754, now seen corresponding path program 1 times [2024-11-24 00:26:06,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:06,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958424038] [2024-11-24 00:26:06,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:06,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:06,968 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 00:26:06,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:06,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958424038] [2024-11-24 00:26:06,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958424038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:06,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:06,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:26:06,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136991104] [2024-11-24 00:26:06,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:06,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:26:06,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:06,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:26:06,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:26:07,046 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 268 [2024-11-24 00:26:07,048 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 221 transitions, 516 flow. Second operand has 5 states, 5 states have (on average 242.0) internal successors, (1210), 5 states have internal predecessors, (1210), 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 00:26:07,048 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:26:07,048 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 268 [2024-11-24 00:26:07,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:26:07,322 INFO L124 PetriNetUnfolderBase]: 94/1147 cut-off events. [2024-11-24 00:26:07,322 INFO L125 PetriNetUnfolderBase]: For 56/65 co-relation queries the response was YES. [2024-11-24 00:26:07,333 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1477 conditions, 1147 events. 94/1147 cut-off events. For 56/65 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 7188 event pairs, 35 based on Foata normal form. 8/1071 useless extension candidates. Maximal degree in co-relation 1429. Up to 103 conditions per place. [2024-11-24 00:26:07,339 INFO L140 encePairwiseOnDemand]: 262/268 looper letters, 22 selfloop transitions, 5 changer transitions 0/231 dead transitions. [2024-11-24 00:26:07,340 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 231 transitions, 597 flow [2024-11-24 00:26:07,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:26:07,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-24 00:26:07,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1228 transitions. [2024-11-24 00:26:07,344 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9164179104477612 [2024-11-24 00:26:07,344 INFO L175 Difference]: Start difference. First operand has 235 places, 221 transitions, 516 flow. Second operand 5 states and 1228 transitions. [2024-11-24 00:26:07,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 231 transitions, 597 flow [2024-11-24 00:26:07,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 231 transitions, 593 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:26:07,353 INFO L231 Difference]: Finished difference. Result has 233 places, 223 transitions, 537 flow [2024-11-24 00:26:07,353 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=537, PETRI_PLACES=233, PETRI_TRANSITIONS=223} [2024-11-24 00:26:07,354 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -13 predicate places. [2024-11-24 00:26:07,354 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 223 transitions, 537 flow [2024-11-24 00:26:07,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 242.0) internal successors, (1210), 5 states have internal predecessors, (1210), 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 00:26:07,355 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:26:07,355 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] [2024-11-24 00:26:07,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 00:26:07,356 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-24 00:26:07,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:07,356 INFO L85 PathProgramCache]: Analyzing trace with hash 2081258558, now seen corresponding path program 1 times [2024-11-24 00:26:07,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:07,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241549369] [2024-11-24 00:26:07,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:07,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:08,009 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 00:26:08,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:08,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241549369] [2024-11-24 00:26:08,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241549369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:08,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:08,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:26:08,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061290397] [2024-11-24 00:26:08,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:08,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:26:08,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:08,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:26:08,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:26:08,316 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 268 [2024-11-24 00:26:08,318 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 223 transitions, 537 flow. Second operand has 6 states, 6 states have (on average 239.66666666666666) internal successors, (1438), 6 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 00:26:08,318 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:26:08,319 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 268 [2024-11-24 00:26:08,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:26:08,628 INFO L124 PetriNetUnfolderBase]: 111/1171 cut-off events. [2024-11-24 00:26:08,629 INFO L125 PetriNetUnfolderBase]: For 138/147 co-relation queries the response was YES. [2024-11-24 00:26:08,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1597 conditions, 1171 events. 111/1171 cut-off events. For 138/147 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 7380 event pairs, 32 based on Foata normal form. 0/1090 useless extension candidates. Maximal degree in co-relation 1549. Up to 124 conditions per place. [2024-11-24 00:26:08,645 INFO L140 encePairwiseOnDemand]: 262/268 looper letters, 24 selfloop transitions, 5 changer transitions 0/230 dead transitions. [2024-11-24 00:26:08,645 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 230 transitions, 617 flow [2024-11-24 00:26:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:26:08,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-24 00:26:08,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1456 transitions. [2024-11-24 00:26:08,652 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9054726368159204 [2024-11-24 00:26:08,652 INFO L175 Difference]: Start difference. First operand has 233 places, 223 transitions, 537 flow. Second operand 6 states and 1456 transitions. [2024-11-24 00:26:08,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 230 transitions, 617 flow [2024-11-24 00:26:08,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 230 transitions, 612 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:26:08,660 INFO L231 Difference]: Finished difference. Result has 235 places, 222 transitions, 540 flow [2024-11-24 00:26:08,661 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=540, PETRI_PLACES=235, PETRI_TRANSITIONS=222} [2024-11-24 00:26:08,661 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -11 predicate places. [2024-11-24 00:26:08,662 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 222 transitions, 540 flow [2024-11-24 00:26:08,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 239.66666666666666) internal successors, (1438), 6 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 00:26:08,664 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:26:08,664 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] [2024-11-24 00:26:08,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 00:26:08,664 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-24 00:26:08,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:08,666 INFO L85 PathProgramCache]: Analyzing trace with hash -494654254, now seen corresponding path program 1 times [2024-11-24 00:26:08,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:08,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921670508] [2024-11-24 00:26:08,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:08,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:09,218 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 00:26:09,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:09,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921670508] [2024-11-24 00:26:09,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921670508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:09,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:09,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:26:09,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478578161] [2024-11-24 00:26:09,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:09,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:26:09,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:09,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:26:09,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:26:09,487 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 268 [2024-11-24 00:26:09,490 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 222 transitions, 540 flow. Second operand has 6 states, 6 states have (on average 239.83333333333334) internal successors, (1439), 6 states have internal predecessors, (1439), 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 00:26:09,490 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:26:09,490 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 268 [2024-11-24 00:26:09,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:26:09,766 INFO L124 PetriNetUnfolderBase]: 181/1135 cut-off events. [2024-11-24 00:26:09,767 INFO L125 PetriNetUnfolderBase]: For 138/203 co-relation queries the response was YES. [2024-11-24 00:26:09,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1619 conditions, 1135 events. 181/1135 cut-off events. For 138/203 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 7217 event pairs, 44 based on Foata normal form. 8/1072 useless extension candidates. Maximal degree in co-relation 1571. Up to 173 conditions per place. [2024-11-24 00:26:09,782 INFO L140 encePairwiseOnDemand]: 262/268 looper letters, 22 selfloop transitions, 5 changer transitions 0/229 dead transitions. [2024-11-24 00:26:09,782 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 229 transitions, 616 flow [2024-11-24 00:26:09,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:26:09,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-24 00:26:09,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1456 transitions. [2024-11-24 00:26:09,787 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9054726368159204 [2024-11-24 00:26:09,787 INFO L175 Difference]: Start difference. First operand has 235 places, 222 transitions, 540 flow. Second operand 6 states and 1456 transitions. [2024-11-24 00:26:09,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 229 transitions, 616 flow [2024-11-24 00:26:09,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 229 transitions, 606 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-24 00:26:09,793 INFO L231 Difference]: Finished difference. Result has 234 places, 221 transitions, 538 flow [2024-11-24 00:26:09,793 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=528, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=538, PETRI_PLACES=234, PETRI_TRANSITIONS=221} [2024-11-24 00:26:09,795 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -12 predicate places. [2024-11-24 00:26:09,795 INFO L471 AbstractCegarLoop]: Abstraction has has 234 places, 221 transitions, 538 flow [2024-11-24 00:26:09,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 239.83333333333334) internal successors, (1439), 6 states have internal predecessors, (1439), 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 00:26:09,797 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:26:09,797 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] [2024-11-24 00:26:09,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-24 00:26:09,798 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-24 00:26:09,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:09,799 INFO L85 PathProgramCache]: Analyzing trace with hash -2053657919, now seen corresponding path program 1 times [2024-11-24 00:26:09,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:09,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136763838] [2024-11-24 00:26:09,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:09,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:09,873 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 00:26:09,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:09,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136763838] [2024-11-24 00:26:09,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136763838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:09,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:09,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:26:09,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452270048] [2024-11-24 00:26:09,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:09,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:26:09,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:09,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:26:09,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:26:09,895 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 268 [2024-11-24 00:26:09,896 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 221 transitions, 538 flow. Second operand has 3 states, 3 states have (on average 248.0) internal successors, (744), 3 states have internal predecessors, (744), 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 00:26:09,896 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:26:09,896 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 268 [2024-11-24 00:26:09,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:26:10,137 INFO L124 PetriNetUnfolderBase]: 83/1048 cut-off events. [2024-11-24 00:26:10,137 INFO L125 PetriNetUnfolderBase]: For 46/51 co-relation queries the response was YES. [2024-11-24 00:26:10,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1385 conditions, 1048 events. 83/1048 cut-off events. For 46/51 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 6171 event pairs, 19 based on Foata normal form. 0/994 useless extension candidates. Maximal degree in co-relation 1338. Up to 86 conditions per place. [2024-11-24 00:26:10,156 INFO L140 encePairwiseOnDemand]: 265/268 looper letters, 10 selfloop transitions, 2 changer transitions 0/222 dead transitions. [2024-11-24 00:26:10,156 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 222 transitions, 566 flow [2024-11-24 00:26:10,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:26:10,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:26:10,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 751 transitions. [2024-11-24 00:26:10,160 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9340796019900498 [2024-11-24 00:26:10,160 INFO L175 Difference]: Start difference. First operand has 234 places, 221 transitions, 538 flow. Second operand 3 states and 751 transitions. [2024-11-24 00:26:10,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 222 transitions, 566 flow [2024-11-24 00:26:10,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 222 transitions, 556 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-24 00:26:10,167 INFO L231 Difference]: Finished difference. Result has 230 places, 220 transitions, 530 flow [2024-11-24 00:26:10,168 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=530, PETRI_PLACES=230, PETRI_TRANSITIONS=220} [2024-11-24 00:26:10,168 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -16 predicate places. [2024-11-24 00:26:10,168 INFO L471 AbstractCegarLoop]: Abstraction has has 230 places, 220 transitions, 530 flow [2024-11-24 00:26:10,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.0) internal successors, (744), 3 states have internal predecessors, (744), 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 00:26:10,169 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:26:10,169 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] [2024-11-24 00:26:10,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-24 00:26:10,170 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-24 00:26:10,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:10,171 INFO L85 PathProgramCache]: Analyzing trace with hash 765214210, now seen corresponding path program 1 times [2024-11-24 00:26:10,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:10,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711367727] [2024-11-24 00:26:10,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:10,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:10,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 00:26:10,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:10,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711367727] [2024-11-24 00:26:10,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711367727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:10,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:10,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:26:10,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195166690] [2024-11-24 00:26:10,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:10,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:26:10,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:10,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:26:10,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:26:11,102 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 268 [2024-11-24 00:26:11,104 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 220 transitions, 530 flow. Second operand has 6 states, 6 states have (on average 240.16666666666666) internal successors, (1441), 6 states have internal predecessors, (1441), 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 00:26:11,104 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:26:11,105 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 268 [2024-11-24 00:26:11,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:26:11,387 INFO L124 PetriNetUnfolderBase]: 90/1043 cut-off events. [2024-11-24 00:26:11,388 INFO L125 PetriNetUnfolderBase]: For 76/98 co-relation queries the response was YES. [2024-11-24 00:26:11,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1487 conditions, 1043 events. 90/1043 cut-off events. For 76/98 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6284 event pairs, 27 based on Foata normal form. 4/1004 useless extension candidates. Maximal degree in co-relation 1439. Up to 118 conditions per place. [2024-11-24 00:26:11,401 INFO L140 encePairwiseOnDemand]: 262/268 looper letters, 24 selfloop transitions, 5 changer transitions 0/227 dead transitions. [2024-11-24 00:26:11,401 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 227 transitions, 610 flow [2024-11-24 00:26:11,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:26:11,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-24 00:26:11,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1456 transitions. [2024-11-24 00:26:11,406 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9054726368159204 [2024-11-24 00:26:11,406 INFO L175 Difference]: Start difference. First operand has 230 places, 220 transitions, 530 flow. Second operand 6 states and 1456 transitions. [2024-11-24 00:26:11,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 227 transitions, 610 flow [2024-11-24 00:26:11,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 227 transitions, 606 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:26:11,411 INFO L231 Difference]: Finished difference. Result has 232 places, 219 transitions, 534 flow [2024-11-24 00:26:11,412 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=524, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=534, PETRI_PLACES=232, PETRI_TRANSITIONS=219} [2024-11-24 00:26:11,412 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -14 predicate places. [2024-11-24 00:26:11,412 INFO L471 AbstractCegarLoop]: Abstraction has has 232 places, 219 transitions, 534 flow [2024-11-24 00:26:11,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 240.16666666666666) internal successors, (1441), 6 states have internal predecessors, (1441), 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 00:26:11,413 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:26:11,449 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:26:11,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-24 00:26:11,450 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-24 00:26:11,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:11,451 INFO L85 PathProgramCache]: Analyzing trace with hash 2037207701, now seen corresponding path program 1 times [2024-11-24 00:26:11,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:11,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357441750] [2024-11-24 00:26:11,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:11,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:11,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 00:26:11,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:11,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357441750] [2024-11-24 00:26:11,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357441750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:11,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:11,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:26:11,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349308852] [2024-11-24 00:26:11,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:11,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:26:11,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:11,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:26:11,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:26:11,538 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 268 [2024-11-24 00:26:11,539 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 219 transitions, 534 flow. Second operand has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 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 00:26:11,539 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:26:11,539 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 268 [2024-11-24 00:26:11,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:26:11,773 INFO L124 PetriNetUnfolderBase]: 141/1096 cut-off events. [2024-11-24 00:26:11,773 INFO L125 PetriNetUnfolderBase]: For 99/120 co-relation queries the response was YES. [2024-11-24 00:26:11,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1503 conditions, 1096 events. 141/1096 cut-off events. For 99/120 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 6772 event pairs, 40 based on Foata normal form. 0/1044 useless extension candidates. Maximal degree in co-relation 1456. Up to 169 conditions per place. [2024-11-24 00:26:11,786 INFO L140 encePairwiseOnDemand]: 265/268 looper letters, 10 selfloop transitions, 2 changer transitions 6/220 dead transitions. [2024-11-24 00:26:11,786 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 220 transitions, 562 flow [2024-11-24 00:26:11,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:26:11,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:26:11,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 751 transitions. [2024-11-24 00:26:11,790 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9340796019900498 [2024-11-24 00:26:11,790 INFO L175 Difference]: Start difference. First operand has 232 places, 219 transitions, 534 flow. Second operand 3 states and 751 transitions. [2024-11-24 00:26:11,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 220 transitions, 562 flow [2024-11-24 00:26:11,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 220 transitions, 552 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-24 00:26:11,795 INFO L231 Difference]: Finished difference. Result has 228 places, 212 transitions, 494 flow [2024-11-24 00:26:11,796 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=522, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=494, PETRI_PLACES=228, PETRI_TRANSITIONS=212} [2024-11-24 00:26:11,797 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -18 predicate places. [2024-11-24 00:26:11,797 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 212 transitions, 494 flow [2024-11-24 00:26:11,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 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 00:26:11,798 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:26:11,799 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] [2024-11-24 00:26:11,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-24 00:26:11,799 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-24 00:26:11,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:26:11,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1788342789, now seen corresponding path program 1 times [2024-11-24 00:26:11,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:26:11,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579430866] [2024-11-24 00:26:11,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:26:11,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:26:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:26:11,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 00:26:11,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:26:11,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579430866] [2024-11-24 00:26:11,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579430866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:26:11,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:26:11,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:26:11,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266379309] [2024-11-24 00:26:11,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:26:11,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:26:11,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:26:11,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:26:11,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:26:11,896 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 268 [2024-11-24 00:26:11,897 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 212 transitions, 494 flow. Second operand has 3 states, 3 states have (on average 247.66666666666666) internal successors, (743), 3 states have internal predecessors, (743), 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 00:26:11,897 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:26:11,897 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 268 [2024-11-24 00:26:11,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:26:12,036 INFO L124 PetriNetUnfolderBase]: 56/685 cut-off events. [2024-11-24 00:26:12,036 INFO L125 PetriNetUnfolderBase]: For 10/26 co-relation queries the response was YES. [2024-11-24 00:26:12,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 912 conditions, 685 events. 56/685 cut-off events. For 10/26 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3402 event pairs, 17 based on Foata normal form. 2/672 useless extension candidates. Maximal degree in co-relation 865. Up to 58 conditions per place. [2024-11-24 00:26:12,042 INFO L140 encePairwiseOnDemand]: 265/268 looper letters, 0 selfloop transitions, 0 changer transitions 213/213 dead transitions. [2024-11-24 00:26:12,042 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 213 transitions, 522 flow [2024-11-24 00:26:12,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:26:12,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:26:12,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 751 transitions. [2024-11-24 00:26:12,045 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9340796019900498 [2024-11-24 00:26:12,045 INFO L175 Difference]: Start difference. First operand has 228 places, 212 transitions, 494 flow. Second operand 3 states and 751 transitions. [2024-11-24 00:26:12,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 213 transitions, 522 flow [2024-11-24 00:26:12,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 213 transitions, 498 flow, removed 4 selfloop flow, removed 8 redundant places. [2024-11-24 00:26:12,051 INFO L231 Difference]: Finished difference. Result has 217 places, 0 transitions, 0 flow [2024-11-24 00:26:12,051 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=468, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=217, PETRI_TRANSITIONS=0} [2024-11-24 00:26:12,052 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -29 predicate places. [2024-11-24 00:26:12,052 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 0 transitions, 0 flow [2024-11-24 00:26:12,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 247.66666666666666) internal successors, (743), 3 states have internal predecessors, (743), 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 00:26:12,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (45 of 46 remaining) [2024-11-24 00:26:12,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (44 of 46 remaining) [2024-11-24 00:26:12,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2024-11-24 00:26:12,056 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2024-11-24 00:26:12,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2024-11-24 00:26:12,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2024-11-24 00:26:12,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2024-11-24 00:26:12,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2024-11-24 00:26:12,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2024-11-24 00:26:12,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining) [2024-11-24 00:26:12,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining) [2024-11-24 00:26:12,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining) [2024-11-24 00:26:12,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining) [2024-11-24 00:26:12,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2024-11-24 00:26:12,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (31 of 46 remaining) [2024-11-24 00:26:12,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (30 of 46 remaining) [2024-11-24 00:26:12,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (29 of 46 remaining) [2024-11-24 00:26:12,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (28 of 46 remaining) [2024-11-24 00:26:12,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2024-11-24 00:26:12,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2024-11-24 00:26:12,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2024-11-24 00:26:12,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2024-11-24 00:26:12,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2024-11-24 00:26:12,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2024-11-24 00:26:12,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2024-11-24 00:26:12,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining) [2024-11-24 00:26:12,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (19 of 46 remaining) [2024-11-24 00:26:12,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 46 remaining) [2024-11-24 00:26:12,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 46 remaining) [2024-11-24 00:26:12,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 46 remaining) [2024-11-24 00:26:12,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2024-11-24 00:26:12,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2024-11-24 00:26:12,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2024-11-24 00:26:12,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2024-11-24 00:26:12,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2024-11-24 00:26:12,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2024-11-24 00:26:12,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 46 remaining) [2024-11-24 00:26:12,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 46 remaining) [2024-11-24 00:26:12,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2024-11-24 00:26:12,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2024-11-24 00:26:12,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2024-11-24 00:26:12,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2024-11-24 00:26:12,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2024-11-24 00:26:12,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2024-11-24 00:26:12,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2024-11-24 00:26:12,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2024-11-24 00:26:12,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-24 00:26:12,063 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:26:12,074 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-24 00:26:12,074 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:26:12,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:26:12 BasicIcfg [2024-11-24 00:26:12,084 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:26:12,085 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:26:12,085 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:26:12,086 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:26:12,087 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:25:59" (3/4) ... [2024-11-24 00:26:12,089 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 00:26:12,093 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-24 00:26:12,094 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-24 00:26:12,094 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-24 00:26:12,103 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-24 00:26:12,103 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-24 00:26:12,104 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 00:26:12,104 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 00:26:12,228 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b3502d-e8eb-4276-8c8d-f6595097b61b/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 00:26:12,229 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b3502d-e8eb-4276-8c8d-f6595097b61b/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 00:26:12,229 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:26:12,230 INFO L158 Benchmark]: Toolchain (without parser) took 13880.33ms. Allocated memory was 142.6MB in the beginning and 453.0MB in the end (delta: 310.4MB). Free memory was 103.4MB in the beginning and 287.5MB in the end (delta: -184.2MB). Peak memory consumption was 121.6MB. Max. memory is 16.1GB. [2024-11-24 00:26:12,230 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:26:12,232 INFO L158 Benchmark]: CACSL2BoogieTranslator took 406.17ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 90.6MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:26:12,232 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.15ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 89.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:26:12,232 INFO L158 Benchmark]: Boogie Preprocessor took 61.75ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 87.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:26:12,233 INFO L158 Benchmark]: RCFGBuilder took 904.60ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 65.3MB in the end (delta: 22.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:26:12,234 INFO L158 Benchmark]: TraceAbstraction took 12296.55ms. Allocated memory was 142.6MB in the beginning and 453.0MB in the end (delta: 310.4MB). Free memory was 64.8MB in the beginning and 295.9MB in the end (delta: -231.1MB). Peak memory consumption was 71.2MB. Max. memory is 16.1GB. [2024-11-24 00:26:12,234 INFO L158 Benchmark]: Witness Printer took 143.93ms. Allocated memory is still 453.0MB. Free memory was 295.9MB in the beginning and 287.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:26:12,237 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 406.17ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 90.6MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.15ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 89.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.75ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 87.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 904.60ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 65.3MB in the end (delta: 22.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12296.55ms. Allocated memory was 142.6MB in the beginning and 453.0MB in the end (delta: 310.4MB). Free memory was 64.8MB in the beginning and 295.9MB in the end (delta: -231.1MB). Peak memory consumption was 71.2MB. Max. memory is 16.1GB. * Witness Printer took 143.93ms. Allocated memory is still 453.0MB. Free memory was 295.9MB in the beginning and 287.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 361 locations, 46 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 12.0s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 988 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 530 mSDsluCounter, 448 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 328 mSDsCounter, 170 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1508 IncrementalHoareTripleChecker+Invalid, 1678 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 170 mSolverCounterUnsat, 120 mSDtfsCounter, 1508 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=540occurred in iteration=13, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 1540 NumberOfCodeBlocks, 1540 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1522 ConstructedInterpolants, 0 QuantifiedInterpolants, 2228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 27 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-24 00:26:12,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4b3502d-e8eb-4276-8c8d-f6595097b61b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE