./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a4901e-0ecd-49c7-876c-867411be0f04/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a4901e-0ecd-49c7-876c-867411be0f04/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a4901e-0ecd-49c7-876c-867411be0f04/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a4901e-0ecd-49c7-876c-867411be0f04/bin/uautomizer-verify-aQ6SnzHsRB/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_02a4901e-0ecd-49c7-876c-867411be0f04/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a4901e-0ecd-49c7-876c-867411be0f04/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 37731ec014f4053387ac8b56c0764486866d63670c206743514c9636df9b594a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:35:18,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:35:19,046 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a4901e-0ecd-49c7-876c-867411be0f04/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 04:35:19,054 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:35:19,056 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:35:19,104 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:35:19,104 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:35:19,105 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:35:19,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:35:19,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:35:19,108 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:35:19,108 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:35:19,109 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:35:19,109 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:35:19,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:35:19,110 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:35:19,110 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:35:19,110 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:35:19,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:35:19,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:35:19,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:35:19,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:35:19,111 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 04:35:19,111 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:35:19,111 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:35:19,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:35:19,112 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:35:19,112 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:35:19,112 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:35:19,112 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:35:19,112 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:35:19,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:35:19,113 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:35:19,113 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:35:19,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:35:19,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:35:19,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:35:19,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:35:19,114 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:35:19,114 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:35:19,114 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:35:19,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:35:19,114 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:35:19,115 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:35:19,115 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:35:19,115 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:35:19,115 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_02a4901e-0ecd-49c7-876c-867411be0f04/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37731ec014f4053387ac8b56c0764486866d63670c206743514c9636df9b594a [2024-11-28 04:35:19,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:35:19,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:35:19,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:35:19,539 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:35:19,541 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:35:19,543 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a4901e-0ecd-49c7-876c-867411be0f04/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c [2024-11-28 04:35:23,383 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a4901e-0ecd-49c7-876c-867411be0f04/bin/uautomizer-verify-aQ6SnzHsRB/data/1c9fa2530/609a4d67f15546c2ac8df992d2b1cda4/FLAG600708276 [2024-11-28 04:35:23,703 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:35:23,705 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a4901e-0ecd-49c7-876c-867411be0f04/sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c [2024-11-28 04:35:23,714 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a4901e-0ecd-49c7-876c-867411be0f04/bin/uautomizer-verify-aQ6SnzHsRB/data/1c9fa2530/609a4d67f15546c2ac8df992d2b1cda4/FLAG600708276 [2024-11-28 04:35:23,743 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a4901e-0ecd-49c7-876c-867411be0f04/bin/uautomizer-verify-aQ6SnzHsRB/data/1c9fa2530/609a4d67f15546c2ac8df992d2b1cda4 [2024-11-28 04:35:23,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:35:23,749 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:35:23,753 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:35:23,755 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:35:23,761 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:35:23,762 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:35:23" (1/1) ... [2024-11-28 04:35:23,763 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54eb1e59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:23, skipping insertion in model container [2024-11-28 04:35:23,764 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:35:23" (1/1) ... [2024-11-28 04:35:23,790 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:35:24,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:35:24,048 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:35:24,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:35:24,117 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:35:24,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:24 WrapperNode [2024-11-28 04:35:24,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:35:24,119 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:35:24,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:35:24,119 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:35:24,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:24" (1/1) ... [2024-11-28 04:35:24,138 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:24" (1/1) ... [2024-11-28 04:35:24,170 INFO L138 Inliner]: procedures = 24, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2024-11-28 04:35:24,170 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:35:24,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:35:24,171 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:35:24,171 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:35:24,184 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:24" (1/1) ... [2024-11-28 04:35:24,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:24" (1/1) ... [2024-11-28 04:35:24,191 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:24" (1/1) ... [2024-11-28 04:35:24,192 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:24" (1/1) ... [2024-11-28 04:35:24,220 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:24" (1/1) ... [2024-11-28 04:35:24,222 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:24" (1/1) ... [2024-11-28 04:35:24,233 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:24" (1/1) ... [2024-11-28 04:35:24,235 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:24" (1/1) ... [2024-11-28 04:35:24,237 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:24" (1/1) ... [2024-11-28 04:35:24,246 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:35:24,250 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:35:24,250 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:35:24,250 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:35:24,251 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:24" (1/1) ... [2024-11-28 04:35:24,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:35:24,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a4901e-0ecd-49c7-876c-867411be0f04/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:35:24,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a4901e-0ecd-49c7-876c-867411be0f04/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:35:24,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a4901e-0ecd-49c7-876c-867411be0f04/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:35:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:35:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 04:35:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 04:35:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 04:35:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 04:35:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-28 04:35:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-28 04:35:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 04:35:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 04:35:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:35:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:35:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:35:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 04:35:24,353 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 04:35:24,493 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:35:24,496 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:35:25,159 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:35:25,159 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:35:25,196 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:35:25,196 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 04:35:25,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:35:25 BoogieIcfgContainer [2024-11-28 04:35:25,197 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:35:25,203 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:35:25,203 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:35:25,212 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:35:25,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:35:23" (1/3) ... [2024-11-28 04:35:25,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23aa720f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:35:25, skipping insertion in model container [2024-11-28 04:35:25,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:24" (2/3) ... [2024-11-28 04:35:25,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23aa720f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:35:25, skipping insertion in model container [2024-11-28 04:35:25,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:35:25" (3/3) ... [2024-11-28 04:35:25,216 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-sum-array-hom.wvr.c [2024-11-28 04:35:25,238 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:35:25,242 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. [2024-11-28 04:35:25,242 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 04:35:25,389 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-28 04:35:25,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 265 places, 268 transitions, 557 flow [2024-11-28 04:35:25,628 INFO L124 PetriNetUnfolderBase]: 13/265 cut-off events. [2024-11-28 04:35:25,634 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 04:35:25,648 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. [2024-11-28 04:35:25,648 INFO L82 GeneralOperation]: Start removeDead. Operand has 265 places, 268 transitions, 557 flow [2024-11-28 04:35:25,664 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 246 places, 248 transitions, 514 flow [2024-11-28 04:35:25,690 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:35:25,720 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;@496f2f0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:35:25,721 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2024-11-28 04:35:25,736 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:35:25,736 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-28 04:35:25,736 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:35:25,737 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:35:25,738 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] [2024-11-28 04:35:25,739 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)] === [2024-11-28 04:35:25,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:25,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1006013612, now seen corresponding path program 1 times [2024-11-28 04:35:25,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:25,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334807390] [2024-11-28 04:35:25,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:25,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:26,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:35:26,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:26,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334807390] [2024-11-28 04:35:26,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334807390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:26,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:26,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:35:26,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512798356] [2024-11-28 04:35:26,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:26,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:35:26,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:26,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:35:26,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:35:26,161 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 268 [2024-11-28 04:35:26,170 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) [2024-11-28 04:35:26,170 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:35:26,170 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 268 [2024-11-28 04:35:26,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:35:26,352 INFO L124 PetriNetUnfolderBase]: 19/449 cut-off events. [2024-11-28 04:35:26,353 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-11-28 04:35:26,357 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. [2024-11-28 04:35:26,362 INFO L140 encePairwiseOnDemand]: 258/268 looper letters, 13 selfloop transitions, 2 changer transitions 3/240 dead transitions. [2024-11-28 04:35:26,362 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 240 transitions, 528 flow [2024-11-28 04:35:26,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:35:26,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:35:26,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 749 transitions. [2024-11-28 04:35:26,391 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.931592039800995 [2024-11-28 04:35:26,395 INFO L175 Difference]: Start difference. First operand has 246 places, 248 transitions, 514 flow. Second operand 3 states and 749 transitions. [2024-11-28 04:35:26,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 240 transitions, 528 flow [2024-11-28 04:35:26,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 240 transitions, 516 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-28 04:35:26,416 INFO L231 Difference]: Finished difference. Result has 241 places, 237 transitions, 484 flow [2024-11-28 04:35:26,420 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} [2024-11-28 04:35:26,427 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -5 predicate places. [2024-11-28 04:35:26,427 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 237 transitions, 484 flow [2024-11-28 04:35:26,428 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) [2024-11-28 04:35:26,428 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:35:26,428 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] [2024-11-28 04:35:26,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:35:26,428 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)] === [2024-11-28 04:35:26,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:26,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1238761491, now seen corresponding path program 1 times [2024-11-28 04:35:26,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:26,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461032810] [2024-11-28 04:35:26,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:26,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:26,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:35:26,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:26,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461032810] [2024-11-28 04:35:26,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461032810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:26,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:26,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:35:26,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617266445] [2024-11-28 04:35:26,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:26,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:35:26,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:26,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:35:26,523 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:35:26,583 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 268 [2024-11-28 04:35:26,584 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) [2024-11-28 04:35:26,584 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:35:26,585 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 268 [2024-11-28 04:35:26,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:35:26,760 INFO L124 PetriNetUnfolderBase]: 13/339 cut-off events. [2024-11-28 04:35:26,762 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 04:35:26,766 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. [2024-11-28 04:35:26,770 INFO L140 encePairwiseOnDemand]: 265/268 looper letters, 13 selfloop transitions, 2 changer transitions 0/236 dead transitions. [2024-11-28 04:35:26,770 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 236 transitions, 512 flow [2024-11-28 04:35:26,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:35:26,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:35:26,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 742 transitions. [2024-11-28 04:35:26,775 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9228855721393034 [2024-11-28 04:35:26,775 INFO L175 Difference]: Start difference. First operand has 241 places, 237 transitions, 484 flow. Second operand 3 states and 742 transitions. [2024-11-28 04:35:26,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 236 transitions, 512 flow [2024-11-28 04:35:26,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 236 transitions, 508 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:35:26,789 INFO L231 Difference]: Finished difference. Result has 237 places, 236 transitions, 482 flow [2024-11-28 04:35:26,789 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} [2024-11-28 04:35:26,793 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -9 predicate places. [2024-11-28 04:35:26,794 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 236 transitions, 482 flow [2024-11-28 04:35:26,794 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) [2024-11-28 04:35:26,794 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:35:26,794 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] [2024-11-28 04:35:26,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:35:26,795 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)] === [2024-11-28 04:35:26,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:26,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1891894807, now seen corresponding path program 1 times [2024-11-28 04:35:26,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:26,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342350225] [2024-11-28 04:35:26,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:26,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:26,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:35:26,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:26,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342350225] [2024-11-28 04:35:26,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342350225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:26,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:26,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:35:26,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54170715] [2024-11-28 04:35:26,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:26,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:35:26,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:26,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:35:26,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:35:26,936 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 268 [2024-11-28 04:35:26,938 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) [2024-11-28 04:35:26,938 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:35:26,938 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 268 [2024-11-28 04:35:26,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:35:27,075 INFO L124 PetriNetUnfolderBase]: 25/432 cut-off events. [2024-11-28 04:35:27,075 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-28 04:35:27,079 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. [2024-11-28 04:35:27,082 INFO L140 encePairwiseOnDemand]: 263/268 looper letters, 14 selfloop transitions, 1 changer transitions 0/232 dead transitions. [2024-11-28 04:35:27,082 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 232 transitions, 504 flow [2024-11-28 04:35:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:35:27,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:35:27,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 739 transitions. [2024-11-28 04:35:27,086 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9191542288557214 [2024-11-28 04:35:27,086 INFO L175 Difference]: Start difference. First operand has 237 places, 236 transitions, 482 flow. Second operand 3 states and 739 transitions. [2024-11-28 04:35:27,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 232 transitions, 504 flow [2024-11-28 04:35:27,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 232 transitions, 500 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:35:27,098 INFO L231 Difference]: Finished difference. Result has 233 places, 232 transitions, 472 flow [2024-11-28 04:35:27,098 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} [2024-11-28 04:35:27,100 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -13 predicate places. [2024-11-28 04:35:27,100 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 232 transitions, 472 flow [2024-11-28 04:35:27,101 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) [2024-11-28 04:35:27,101 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:35:27,101 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] [2024-11-28 04:35:27,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:35:27,102 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)] === [2024-11-28 04:35:27,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:27,104 INFO L85 PathProgramCache]: Analyzing trace with hash 989097495, now seen corresponding path program 1 times [2024-11-28 04:35:27,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:27,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353574047] [2024-11-28 04:35:27,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:27,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:27,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:35:27,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:27,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353574047] [2024-11-28 04:35:27,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353574047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:27,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:27,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:35:27,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738305258] [2024-11-28 04:35:27,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:27,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:35:27,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:27,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:35:27,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:35:27,318 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 268 [2024-11-28 04:35:27,319 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) [2024-11-28 04:35:27,319 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:35:27,320 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 268 [2024-11-28 04:35:27,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:35:27,459 INFO L124 PetriNetUnfolderBase]: 24/403 cut-off events. [2024-11-28 04:35:27,459 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-28 04:35:27,462 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. [2024-11-28 04:35:27,465 INFO L140 encePairwiseOnDemand]: 265/268 looper letters, 12 selfloop transitions, 2 changer transitions 0/231 dead transitions. [2024-11-28 04:35:27,465 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 231 transitions, 498 flow [2024-11-28 04:35:27,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:35:27,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:35:27,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 744 transitions. [2024-11-28 04:35:27,472 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9253731343283582 [2024-11-28 04:35:27,473 INFO L175 Difference]: Start difference. First operand has 233 places, 232 transitions, 472 flow. Second operand 3 states and 744 transitions. [2024-11-28 04:35:27,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 231 transitions, 498 flow [2024-11-28 04:35:27,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 231 transitions, 497 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:35:27,479 INFO L231 Difference]: Finished difference. Result has 233 places, 231 transitions, 473 flow [2024-11-28 04:35:27,480 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} [2024-11-28 04:35:27,482 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -13 predicate places. [2024-11-28 04:35:27,482 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 231 transitions, 473 flow [2024-11-28 04:35:27,483 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) [2024-11-28 04:35:27,483 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:35:27,484 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] [2024-11-28 04:35:27,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:35:27,484 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)] === [2024-11-28 04:35:27,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:27,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1794010381, now seen corresponding path program 1 times [2024-11-28 04:35:27,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:27,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21114262] [2024-11-28 04:35:27,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:27,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:28,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:35:28,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:28,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21114262] [2024-11-28 04:35:28,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21114262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:28,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:28,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:35:28,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955055896] [2024-11-28 04:35:28,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:28,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:35:28,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:28,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:35:28,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:35:28,723 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 268 [2024-11-28 04:35:28,726 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) [2024-11-28 04:35:28,726 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:35:28,727 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 268 [2024-11-28 04:35:28,727 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:35:29,349 INFO L124 PetriNetUnfolderBase]: 394/2179 cut-off events. [2024-11-28 04:35:29,350 INFO L125 PetriNetUnfolderBase]: For 59/59 co-relation queries the response was YES. [2024-11-28 04:35:29,364 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. [2024-11-28 04:35:29,382 INFO L140 encePairwiseOnDemand]: 262/268 looper letters, 26 selfloop transitions, 5 changer transitions 0/230 dead transitions. [2024-11-28 04:35:29,382 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 230 transitions, 533 flow [2024-11-28 04:35:29,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:35:29,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:35:29,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1394 transitions. [2024-11-28 04:35:29,387 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8669154228855721 [2024-11-28 04:35:29,387 INFO L175 Difference]: Start difference. First operand has 233 places, 231 transitions, 473 flow. Second operand 6 states and 1394 transitions. [2024-11-28 04:35:29,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 230 transitions, 533 flow [2024-11-28 04:35:29,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 230 transitions, 529 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:35:29,394 INFO L231 Difference]: Finished difference. Result has 235 places, 230 transitions, 477 flow [2024-11-28 04:35:29,395 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} [2024-11-28 04:35:29,398 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -11 predicate places. [2024-11-28 04:35:29,399 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 230 transitions, 477 flow [2024-11-28 04:35:29,400 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) [2024-11-28 04:35:29,400 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:35:29,401 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] [2024-11-28 04:35:29,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:35:29,402 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)] === [2024-11-28 04:35:29,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:29,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1323226986, now seen corresponding path program 1 times [2024-11-28 04:35:29,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:29,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369963074] [2024-11-28 04:35:29,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:29,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:29,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:35:29,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:29,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369963074] [2024-11-28 04:35:29,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369963074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:29,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:29,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:35:29,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773129427] [2024-11-28 04:35:29,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:29,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:35:29,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:29,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:35:29,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:35:29,529 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 268 [2024-11-28 04:35:29,530 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) [2024-11-28 04:35:29,531 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:35:29,531 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 268 [2024-11-28 04:35:29,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:35:29,663 INFO L124 PetriNetUnfolderBase]: 37/538 cut-off events. [2024-11-28 04:35:29,664 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-28 04:35:29,666 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. [2024-11-28 04:35:29,669 INFO L140 encePairwiseOnDemand]: 263/268 looper letters, 14 selfloop transitions, 1 changer transitions 0/226 dead transitions. [2024-11-28 04:35:29,669 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 226 transitions, 499 flow [2024-11-28 04:35:29,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:35:29,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:35:29,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 739 transitions. [2024-11-28 04:35:29,672 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9191542288557214 [2024-11-28 04:35:29,672 INFO L175 Difference]: Start difference. First operand has 235 places, 230 transitions, 477 flow. Second operand 3 states and 739 transitions. [2024-11-28 04:35:29,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 226 transitions, 499 flow [2024-11-28 04:35:29,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 226 transitions, 489 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:35:29,677 INFO L231 Difference]: Finished difference. Result has 228 places, 226 transitions, 461 flow [2024-11-28 04:35:29,678 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} [2024-11-28 04:35:29,681 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -18 predicate places. [2024-11-28 04:35:29,681 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 226 transitions, 461 flow [2024-11-28 04:35:29,682 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) [2024-11-28 04:35:29,682 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:35:29,682 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] [2024-11-28 04:35:29,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:35:29,682 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-28 04:35:29,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:29,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1420315515, now seen corresponding path program 1 times [2024-11-28 04:35:29,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:29,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502538992] [2024-11-28 04:35:29,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:29,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:29,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:29,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:35:29,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:29,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502538992] [2024-11-28 04:35:29,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502538992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:29,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:29,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:35:29,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849416145] [2024-11-28 04:35:29,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:29,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:35:29,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:29,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:35:29,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:35:29,807 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 268 [2024-11-28 04:35:29,808 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) [2024-11-28 04:35:29,809 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:35:29,809 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 268 [2024-11-28 04:35:29,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:35:29,886 INFO L124 PetriNetUnfolderBase]: 14/291 cut-off events. [2024-11-28 04:35:29,886 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 04:35:29,888 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. [2024-11-28 04:35:29,890 INFO L140 encePairwiseOnDemand]: 263/268 looper letters, 10 selfloop transitions, 3 changer transitions 0/226 dead transitions. [2024-11-28 04:35:29,890 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 226 transitions, 489 flow [2024-11-28 04:35:29,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:35:29,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:35:29,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 753 transitions. [2024-11-28 04:35:29,894 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9365671641791045 [2024-11-28 04:35:29,894 INFO L175 Difference]: Start difference. First operand has 228 places, 226 transitions, 461 flow. Second operand 3 states and 753 transitions. [2024-11-28 04:35:29,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 226 transitions, 489 flow [2024-11-28 04:35:29,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 226 transitions, 488 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:35:29,899 INFO L231 Difference]: Finished difference. Result has 227 places, 224 transitions, 462 flow [2024-11-28 04:35:29,900 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} [2024-11-28 04:35:29,901 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -19 predicate places. [2024-11-28 04:35:29,901 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 224 transitions, 462 flow [2024-11-28 04:35:29,902 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) [2024-11-28 04:35:29,902 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:35:29,902 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] [2024-11-28 04:35:29,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:35:29,902 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-28 04:35:29,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:29,903 INFO L85 PathProgramCache]: Analyzing trace with hash 876410503, now seen corresponding path program 1 times [2024-11-28 04:35:29,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:29,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671721090] [2024-11-28 04:35:29,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:29,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:29,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:35:29,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:29,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671721090] [2024-11-28 04:35:29,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671721090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:29,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:29,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:35:29,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086468078] [2024-11-28 04:35:29,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:29,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:35:29,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:29,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:35:29,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:35:30,033 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 268 [2024-11-28 04:35:30,034 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) [2024-11-28 04:35:30,034 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:35:30,034 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 268 [2024-11-28 04:35:30,035 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:35:30,283 INFO L124 PetriNetUnfolderBase]: 114/1110 cut-off events. [2024-11-28 04:35:30,284 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-28 04:35:30,289 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. [2024-11-28 04:35:30,295 INFO L140 encePairwiseOnDemand]: 262/268 looper letters, 18 selfloop transitions, 3 changer transitions 0/229 dead transitions. [2024-11-28 04:35:30,295 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 229 transitions, 519 flow [2024-11-28 04:35:30,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:35:30,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:35:30,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 753 transitions. [2024-11-28 04:35:30,298 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9365671641791045 [2024-11-28 04:35:30,298 INFO L175 Difference]: Start difference. First operand has 227 places, 224 transitions, 462 flow. Second operand 3 states and 753 transitions. [2024-11-28 04:35:30,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 229 transitions, 519 flow [2024-11-28 04:35:30,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 229 transitions, 513 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:35:30,304 INFO L231 Difference]: Finished difference. Result has 225 places, 224 transitions, 471 flow [2024-11-28 04:35:30,305 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} [2024-11-28 04:35:30,306 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -21 predicate places. [2024-11-28 04:35:30,306 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 224 transitions, 471 flow [2024-11-28 04:35:30,307 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) [2024-11-28 04:35:30,307 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:35:30,307 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] [2024-11-28 04:35:30,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:35:30,307 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-28 04:35:30,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:30,308 INFO L85 PathProgramCache]: Analyzing trace with hash 666367412, now seen corresponding path program 1 times [2024-11-28 04:35:30,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:30,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478336475] [2024-11-28 04:35:30,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:30,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:30,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:35:30,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:30,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478336475] [2024-11-28 04:35:30,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478336475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:30,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:30,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:35:30,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495141552] [2024-11-28 04:35:30,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:30,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:35:30,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:30,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:35:30,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:35:30,429 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 268 [2024-11-28 04:35:30,430 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) [2024-11-28 04:35:30,430 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:35:30,430 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 268 [2024-11-28 04:35:30,431 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:35:30,563 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([703] thread3EXIT-->L87: Formula: (and (= |v_ULTIMATE.start_main_~t3~0#1_6| v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][210], [288#(= |#race~M~0| 0), 44#L87true, Black: 292#true, 294#(= |#race~A~0| 0), 276#(= |#race~N~0| 0), 296#true]) [2024-11-28 04:35:30,563 INFO L294 olderBase$Statistics]: this new event has 147 ancestors and is not cut-off event [2024-11-28 04:35:30,563 INFO L297 olderBase$Statistics]: existing Event has 169 ancestors and is not cut-off event [2024-11-28 04:35:30,564 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is not cut-off event [2024-11-28 04:35:30,564 INFO L297 olderBase$Statistics]: existing Event has 169 ancestors and is not cut-off event [2024-11-28 04:35:30,565 INFO L124 PetriNetUnfolderBase]: 57/541 cut-off events. [2024-11-28 04:35:30,565 INFO L125 PetriNetUnfolderBase]: For 21/32 co-relation queries the response was YES. [2024-11-28 04:35:30,571 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. [2024-11-28 04:35:30,574 INFO L140 encePairwiseOnDemand]: 263/268 looper letters, 10 selfloop transitions, 3 changer transitions 0/224 dead transitions. [2024-11-28 04:35:30,574 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 224 transitions, 499 flow [2024-11-28 04:35:30,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:35:30,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:35:30,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 753 transitions. [2024-11-28 04:35:30,578 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9365671641791045 [2024-11-28 04:35:30,578 INFO L175 Difference]: Start difference. First operand has 225 places, 224 transitions, 471 flow. Second operand 3 states and 753 transitions. [2024-11-28 04:35:30,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 224 transitions, 499 flow [2024-11-28 04:35:30,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 224 transitions, 499 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:35:30,586 INFO L231 Difference]: Finished difference. Result has 225 places, 222 transitions, 473 flow [2024-11-28 04:35:30,587 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} [2024-11-28 04:35:30,588 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -21 predicate places. [2024-11-28 04:35:30,588 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 222 transitions, 473 flow [2024-11-28 04:35:30,589 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) [2024-11-28 04:35:30,589 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:35:30,590 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] [2024-11-28 04:35:30,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:35:30,590 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-28 04:35:30,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:30,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1663076309, now seen corresponding path program 1 times [2024-11-28 04:35:30,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:30,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155184178] [2024-11-28 04:35:30,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:30,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:30,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:35:30,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:30,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155184178] [2024-11-28 04:35:30,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155184178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:30,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:30,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:35:30,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056479540] [2024-11-28 04:35:30,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:30,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:35:30,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:30,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:35:30,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:35:31,251 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 268 [2024-11-28 04:35:31,254 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) [2024-11-28 04:35:31,254 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:35:31,254 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 268 [2024-11-28 04:35:31,255 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:35:31,611 INFO L124 PetriNetUnfolderBase]: 56/741 cut-off events. [2024-11-28 04:35:31,611 INFO L125 PetriNetUnfolderBase]: For 10/33 co-relation queries the response was YES. [2024-11-28 04:35:31,617 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. [2024-11-28 04:35:31,621 INFO L140 encePairwiseOnDemand]: 255/268 looper letters, 22 selfloop transitions, 14 changer transitions 0/237 dead transitions. [2024-11-28 04:35:31,622 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 237 transitions, 583 flow [2024-11-28 04:35:31,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:35:31,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-28 04:35:31,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2417 transitions. [2024-11-28 04:35:31,629 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9018656716417911 [2024-11-28 04:35:31,629 INFO L175 Difference]: Start difference. First operand has 225 places, 222 transitions, 473 flow. Second operand 10 states and 2417 transitions. [2024-11-28 04:35:31,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 237 transitions, 583 flow [2024-11-28 04:35:31,632 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 237 transitions, 577 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:35:31,639 INFO L231 Difference]: Finished difference. Result has 236 places, 229 transitions, 533 flow [2024-11-28 04:35:31,640 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} [2024-11-28 04:35:31,641 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -10 predicate places. [2024-11-28 04:35:31,641 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 229 transitions, 533 flow [2024-11-28 04:35:31,642 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) [2024-11-28 04:35:31,643 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:35:31,643 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] [2024-11-28 04:35:31,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:35:31,643 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-28 04:35:31,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:31,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1249399636, now seen corresponding path program 1 times [2024-11-28 04:35:31,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:31,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162900781] [2024-11-28 04:35:31,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:31,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:31,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:35:31,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:31,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162900781] [2024-11-28 04:35:31,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162900781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:31,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:31,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:35:31,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799562633] [2024-11-28 04:35:31,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:31,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:35:31,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:31,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:35:31,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:35:31,737 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 268 [2024-11-28 04:35:31,738 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) [2024-11-28 04:35:31,738 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:35:31,738 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 268 [2024-11-28 04:35:31,738 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:35:31,949 INFO L124 PetriNetUnfolderBase]: 91/737 cut-off events. [2024-11-28 04:35:31,949 INFO L125 PetriNetUnfolderBase]: For 54/65 co-relation queries the response was YES. [2024-11-28 04:35:31,955 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. [2024-11-28 04:35:31,960 INFO L140 encePairwiseOnDemand]: 263/268 looper letters, 8 selfloop transitions, 2 changer transitions 6/229 dead transitions. [2024-11-28 04:35:31,960 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 229 transitions, 559 flow [2024-11-28 04:35:31,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:35:31,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:35:31,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 752 transitions. [2024-11-28 04:35:31,964 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9353233830845771 [2024-11-28 04:35:31,964 INFO L175 Difference]: Start difference. First operand has 236 places, 229 transitions, 533 flow. Second operand 3 states and 752 transitions. [2024-11-28 04:35:31,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 229 transitions, 559 flow [2024-11-28 04:35:31,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 229 transitions, 555 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:35:31,973 INFO L231 Difference]: Finished difference. Result has 235 places, 221 transitions, 516 flow [2024-11-28 04:35:31,973 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} [2024-11-28 04:35:31,975 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -11 predicate places. [2024-11-28 04:35:31,976 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 221 transitions, 516 flow [2024-11-28 04:35:31,976 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) [2024-11-28 04:35:31,977 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:35:31,977 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] [2024-11-28 04:35:31,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:35:31,977 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-28 04:35:31,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:31,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1617873754, now seen corresponding path program 1 times [2024-11-28 04:35:31,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:31,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116952646] [2024-11-28 04:35:31,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:31,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:32,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:35:32,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:32,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116952646] [2024-11-28 04:35:32,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116952646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:32,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:32,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:35:32,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814741494] [2024-11-28 04:35:32,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:32,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:35:32,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:32,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:35:32,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:35:32,287 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 268 [2024-11-28 04:35:32,289 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) [2024-11-28 04:35:32,289 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:35:32,289 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 268 [2024-11-28 04:35:32,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:35:32,570 INFO L124 PetriNetUnfolderBase]: 94/1147 cut-off events. [2024-11-28 04:35:32,571 INFO L125 PetriNetUnfolderBase]: For 56/65 co-relation queries the response was YES. [2024-11-28 04:35:32,582 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. [2024-11-28 04:35:32,587 INFO L140 encePairwiseOnDemand]: 262/268 looper letters, 22 selfloop transitions, 5 changer transitions 0/231 dead transitions. [2024-11-28 04:35:32,588 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 231 transitions, 597 flow [2024-11-28 04:35:32,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:35:32,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 04:35:32,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1228 transitions. [2024-11-28 04:35:32,592 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9164179104477612 [2024-11-28 04:35:32,592 INFO L175 Difference]: Start difference. First operand has 235 places, 221 transitions, 516 flow. Second operand 5 states and 1228 transitions. [2024-11-28 04:35:32,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 231 transitions, 597 flow [2024-11-28 04:35:32,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 231 transitions, 593 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:35:32,602 INFO L231 Difference]: Finished difference. Result has 233 places, 223 transitions, 537 flow [2024-11-28 04:35:32,602 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} [2024-11-28 04:35:32,604 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -13 predicate places. [2024-11-28 04:35:32,606 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 223 transitions, 537 flow [2024-11-28 04:35:32,607 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) [2024-11-28 04:35:32,607 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:35:32,607 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] [2024-11-28 04:35:32,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:35:32,608 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-28 04:35:32,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:32,608 INFO L85 PathProgramCache]: Analyzing trace with hash 2081258558, now seen corresponding path program 1 times [2024-11-28 04:35:32,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:32,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727101183] [2024-11-28 04:35:32,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:32,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:32,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:33,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:35:33,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:33,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727101183] [2024-11-28 04:35:33,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727101183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:33,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:33,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:35:33,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679550755] [2024-11-28 04:35:33,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:33,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:35:33,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:33,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:35:33,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:35:33,538 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 268 [2024-11-28 04:35:33,541 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) [2024-11-28 04:35:33,541 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:35:33,541 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 268 [2024-11-28 04:35:33,541 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:35:33,884 INFO L124 PetriNetUnfolderBase]: 111/1171 cut-off events. [2024-11-28 04:35:33,884 INFO L125 PetriNetUnfolderBase]: For 138/147 co-relation queries the response was YES. [2024-11-28 04:35:33,897 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. [2024-11-28 04:35:33,904 INFO L140 encePairwiseOnDemand]: 262/268 looper letters, 24 selfloop transitions, 5 changer transitions 0/230 dead transitions. [2024-11-28 04:35:33,904 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 230 transitions, 617 flow [2024-11-28 04:35:33,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:35:33,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:35:33,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1456 transitions. [2024-11-28 04:35:33,909 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9054726368159204 [2024-11-28 04:35:33,910 INFO L175 Difference]: Start difference. First operand has 233 places, 223 transitions, 537 flow. Second operand 6 states and 1456 transitions. [2024-11-28 04:35:33,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 230 transitions, 617 flow [2024-11-28 04:35:33,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 230 transitions, 612 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:35:33,916 INFO L231 Difference]: Finished difference. Result has 235 places, 222 transitions, 540 flow [2024-11-28 04:35:33,917 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} [2024-11-28 04:35:33,917 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -11 predicate places. [2024-11-28 04:35:33,918 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 222 transitions, 540 flow [2024-11-28 04:35:33,919 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) [2024-11-28 04:35:33,920 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:35:33,920 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] [2024-11-28 04:35:33,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 04:35:33,920 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-28 04:35:33,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:33,921 INFO L85 PathProgramCache]: Analyzing trace with hash -494654254, now seen corresponding path program 1 times [2024-11-28 04:35:33,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:33,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645080006] [2024-11-28 04:35:33,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:33,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:34,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:35:34,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:34,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645080006] [2024-11-28 04:35:34,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645080006] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:34,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:34,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:35:34,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451819737] [2024-11-28 04:35:34,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:34,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:35:34,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:34,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:35:34,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:35:34,988 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 268 [2024-11-28 04:35:34,991 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) [2024-11-28 04:35:34,991 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:35:34,991 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 268 [2024-11-28 04:35:34,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:35:35,299 INFO L124 PetriNetUnfolderBase]: 181/1135 cut-off events. [2024-11-28 04:35:35,299 INFO L125 PetriNetUnfolderBase]: For 138/203 co-relation queries the response was YES. [2024-11-28 04:35:35,308 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. [2024-11-28 04:35:35,313 INFO L140 encePairwiseOnDemand]: 262/268 looper letters, 22 selfloop transitions, 5 changer transitions 0/229 dead transitions. [2024-11-28 04:35:35,313 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 229 transitions, 616 flow [2024-11-28 04:35:35,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:35:35,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:35:35,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1456 transitions. [2024-11-28 04:35:35,316 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9054726368159204 [2024-11-28 04:35:35,317 INFO L175 Difference]: Start difference. First operand has 235 places, 222 transitions, 540 flow. Second operand 6 states and 1456 transitions. [2024-11-28 04:35:35,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 229 transitions, 616 flow [2024-11-28 04:35:35,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 229 transitions, 606 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:35:35,321 INFO L231 Difference]: Finished difference. Result has 234 places, 221 transitions, 538 flow [2024-11-28 04:35:35,322 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} [2024-11-28 04:35:35,322 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -12 predicate places. [2024-11-28 04:35:35,323 INFO L471 AbstractCegarLoop]: Abstraction has has 234 places, 221 transitions, 538 flow [2024-11-28 04:35:35,323 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) [2024-11-28 04:35:35,323 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:35:35,324 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] [2024-11-28 04:35:35,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 04:35:35,324 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-28 04:35:35,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:35,325 INFO L85 PathProgramCache]: Analyzing trace with hash -2053657919, now seen corresponding path program 1 times [2024-11-28 04:35:35,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:35,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570783315] [2024-11-28 04:35:35,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:35,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:35,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:35:35,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:35,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570783315] [2024-11-28 04:35:35,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570783315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:35,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:35,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:35:35,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270696423] [2024-11-28 04:35:35,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:35,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:35:35,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:35,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:35:35,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:35:35,406 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 268 [2024-11-28 04:35:35,408 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) [2024-11-28 04:35:35,408 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:35:35,408 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 268 [2024-11-28 04:35:35,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:35:35,638 INFO L124 PetriNetUnfolderBase]: 83/1048 cut-off events. [2024-11-28 04:35:35,639 INFO L125 PetriNetUnfolderBase]: For 46/51 co-relation queries the response was YES. [2024-11-28 04:35:35,649 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. [2024-11-28 04:35:35,655 INFO L140 encePairwiseOnDemand]: 265/268 looper letters, 10 selfloop transitions, 2 changer transitions 0/222 dead transitions. [2024-11-28 04:35:35,655 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 222 transitions, 566 flow [2024-11-28 04:35:35,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:35:35,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:35:35,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 751 transitions. [2024-11-28 04:35:35,658 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9340796019900498 [2024-11-28 04:35:35,658 INFO L175 Difference]: Start difference. First operand has 234 places, 221 transitions, 538 flow. Second operand 3 states and 751 transitions. [2024-11-28 04:35:35,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 222 transitions, 566 flow [2024-11-28 04:35:35,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 222 transitions, 556 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:35:35,664 INFO L231 Difference]: Finished difference. Result has 230 places, 220 transitions, 530 flow [2024-11-28 04:35:35,665 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} [2024-11-28 04:35:35,665 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -16 predicate places. [2024-11-28 04:35:35,665 INFO L471 AbstractCegarLoop]: Abstraction has has 230 places, 220 transitions, 530 flow [2024-11-28 04:35:35,666 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) [2024-11-28 04:35:35,666 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:35:35,666 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] [2024-11-28 04:35:35,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 04:35:35,667 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-28 04:35:35,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:35,668 INFO L85 PathProgramCache]: Analyzing trace with hash 765214210, now seen corresponding path program 1 times [2024-11-28 04:35:35,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:35,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350368729] [2024-11-28 04:35:35,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:35,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:36,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 04:35:36,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:36,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350368729] [2024-11-28 04:35:36,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350368729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:36,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:36,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:35:36,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810998423] [2024-11-28 04:35:36,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:36,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:35:36,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:36,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:35:36,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:35:36,654 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 268 [2024-11-28 04:35:36,656 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) [2024-11-28 04:35:36,657 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:35:36,657 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 268 [2024-11-28 04:35:36,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:35:36,950 INFO L124 PetriNetUnfolderBase]: 90/1043 cut-off events. [2024-11-28 04:35:36,950 INFO L125 PetriNetUnfolderBase]: For 76/98 co-relation queries the response was YES. [2024-11-28 04:35:36,959 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. [2024-11-28 04:35:36,969 INFO L140 encePairwiseOnDemand]: 262/268 looper letters, 24 selfloop transitions, 5 changer transitions 0/227 dead transitions. [2024-11-28 04:35:36,971 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 227 transitions, 610 flow [2024-11-28 04:35:36,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:35:36,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:35:36,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1456 transitions. [2024-11-28 04:35:36,976 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9054726368159204 [2024-11-28 04:35:36,976 INFO L175 Difference]: Start difference. First operand has 230 places, 220 transitions, 530 flow. Second operand 6 states and 1456 transitions. [2024-11-28 04:35:36,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 227 transitions, 610 flow [2024-11-28 04:35:36,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 227 transitions, 606 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:35:36,984 INFO L231 Difference]: Finished difference. Result has 232 places, 219 transitions, 534 flow [2024-11-28 04:35:36,984 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} [2024-11-28 04:35:36,985 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -14 predicate places. [2024-11-28 04:35:36,985 INFO L471 AbstractCegarLoop]: Abstraction has has 232 places, 219 transitions, 534 flow [2024-11-28 04:35:36,986 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) [2024-11-28 04:35:36,986 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:35:36,986 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] [2024-11-28 04:35:36,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 04:35:36,987 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-28 04:35:36,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:36,988 INFO L85 PathProgramCache]: Analyzing trace with hash 2037207701, now seen corresponding path program 1 times [2024-11-28 04:35:36,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:36,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312616487] [2024-11-28 04:35:36,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:36,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:37,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:37,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 04:35:37,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:37,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312616487] [2024-11-28 04:35:37,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312616487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:37,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:37,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:35:37,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174876678] [2024-11-28 04:35:37,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:37,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:35:37,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:37,053 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:35:37,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:35:37,075 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 268 [2024-11-28 04:35:37,076 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) [2024-11-28 04:35:37,076 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:35:37,077 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 268 [2024-11-28 04:35:37,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:35:37,337 INFO L124 PetriNetUnfolderBase]: 141/1096 cut-off events. [2024-11-28 04:35:37,337 INFO L125 PetriNetUnfolderBase]: For 99/120 co-relation queries the response was YES. [2024-11-28 04:35:37,345 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. [2024-11-28 04:35:37,348 INFO L140 encePairwiseOnDemand]: 265/268 looper letters, 10 selfloop transitions, 2 changer transitions 6/220 dead transitions. [2024-11-28 04:35:37,348 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 220 transitions, 562 flow [2024-11-28 04:35:37,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:35:37,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:35:37,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 751 transitions. [2024-11-28 04:35:37,351 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9340796019900498 [2024-11-28 04:35:37,352 INFO L175 Difference]: Start difference. First operand has 232 places, 219 transitions, 534 flow. Second operand 3 states and 751 transitions. [2024-11-28 04:35:37,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 220 transitions, 562 flow [2024-11-28 04:35:37,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 220 transitions, 552 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:35:37,357 INFO L231 Difference]: Finished difference. Result has 228 places, 212 transitions, 494 flow [2024-11-28 04:35:37,358 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} [2024-11-28 04:35:37,358 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -18 predicate places. [2024-11-28 04:35:37,358 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 212 transitions, 494 flow [2024-11-28 04:35:37,359 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) [2024-11-28 04:35:37,359 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:35:37,359 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] [2024-11-28 04:35:37,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 04:35:37,360 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-28 04:35:37,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:37,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1788342789, now seen corresponding path program 1 times [2024-11-28 04:35:37,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:37,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018477883] [2024-11-28 04:35:37,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:37,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:37,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 04:35:37,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:37,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018477883] [2024-11-28 04:35:37,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018477883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:37,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:37,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:35:37,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739612323] [2024-11-28 04:35:37,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:37,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:35:37,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:37,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:35:37,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:35:37,467 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 268 [2024-11-28 04:35:37,468 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) [2024-11-28 04:35:37,468 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:35:37,468 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 268 [2024-11-28 04:35:37,469 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:35:37,619 INFO L124 PetriNetUnfolderBase]: 56/685 cut-off events. [2024-11-28 04:35:37,619 INFO L125 PetriNetUnfolderBase]: For 10/26 co-relation queries the response was YES. [2024-11-28 04:35:37,625 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. [2024-11-28 04:35:37,626 INFO L140 encePairwiseOnDemand]: 265/268 looper letters, 0 selfloop transitions, 0 changer transitions 213/213 dead transitions. [2024-11-28 04:35:37,626 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 213 transitions, 522 flow [2024-11-28 04:35:37,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:35:37,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:35:37,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 751 transitions. [2024-11-28 04:35:37,629 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9340796019900498 [2024-11-28 04:35:37,629 INFO L175 Difference]: Start difference. First operand has 228 places, 212 transitions, 494 flow. Second operand 3 states and 751 transitions. [2024-11-28 04:35:37,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 213 transitions, 522 flow [2024-11-28 04:35:37,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 213 transitions, 498 flow, removed 4 selfloop flow, removed 8 redundant places. [2024-11-28 04:35:37,636 INFO L231 Difference]: Finished difference. Result has 217 places, 0 transitions, 0 flow [2024-11-28 04:35:37,636 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} [2024-11-28 04:35:37,637 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -29 predicate places. [2024-11-28 04:35:37,638 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 0 transitions, 0 flow [2024-11-28 04:35:37,638 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) [2024-11-28 04:35:37,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (45 of 46 remaining) [2024-11-28 04:35:37,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (44 of 46 remaining) [2024-11-28 04:35:37,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2024-11-28 04:35:37,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2024-11-28 04:35:37,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2024-11-28 04:35:37,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2024-11-28 04:35:37,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2024-11-28 04:35:37,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2024-11-28 04:35:37,644 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2024-11-28 04:35:37,644 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining) [2024-11-28 04:35:37,644 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining) [2024-11-28 04:35:37,644 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining) [2024-11-28 04:35:37,644 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining) [2024-11-28 04:35:37,644 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2024-11-28 04:35:37,644 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (31 of 46 remaining) [2024-11-28 04:35:37,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (30 of 46 remaining) [2024-11-28 04:35:37,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (29 of 46 remaining) [2024-11-28 04:35:37,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (28 of 46 remaining) [2024-11-28 04:35:37,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2024-11-28 04:35:37,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2024-11-28 04:35:37,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2024-11-28 04:35:37,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2024-11-28 04:35:37,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2024-11-28 04:35:37,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2024-11-28 04:35:37,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2024-11-28 04:35:37,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining) [2024-11-28 04:35:37,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (19 of 46 remaining) [2024-11-28 04:35:37,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 46 remaining) [2024-11-28 04:35:37,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 46 remaining) [2024-11-28 04:35:37,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 46 remaining) [2024-11-28 04:35:37,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2024-11-28 04:35:37,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2024-11-28 04:35:37,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2024-11-28 04:35:37,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2024-11-28 04:35:37,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2024-11-28 04:35:37,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2024-11-28 04:35:37,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 46 remaining) [2024-11-28 04:35:37,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 46 remaining) [2024-11-28 04:35:37,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2024-11-28 04:35:37,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2024-11-28 04:35:37,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2024-11-28 04:35:37,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2024-11-28 04:35:37,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2024-11-28 04:35:37,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2024-11-28 04:35:37,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2024-11-28 04:35:37,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2024-11-28 04:35:37,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 04:35:37,651 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:35:37,660 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 04:35:37,661 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:35:37,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:35:37 BasicIcfg [2024-11-28 04:35:37,671 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:35:37,671 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:35:37,671 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:35:37,672 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:35:37,673 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:35:25" (3/4) ... [2024-11-28 04:35:37,675 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:35:37,680 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 04:35:37,680 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 04:35:37,680 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-28 04:35:37,686 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-28 04:35:37,687 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 04:35:37,687 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 04:35:37,688 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:35:37,817 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a4901e-0ecd-49c7-876c-867411be0f04/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:35:37,818 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a4901e-0ecd-49c7-876c-867411be0f04/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:35:37,818 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:35:37,820 INFO L158 Benchmark]: Toolchain (without parser) took 14070.16ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 91.9MB in the beginning and 110.8MB in the end (delta: -18.8MB). Peak memory consumption was 81.9MB. Max. memory is 16.1GB. [2024-11-28 04:35:37,821 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:35:37,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.18ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 79.5MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:35:37,822 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.32ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 77.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:35:37,823 INFO L158 Benchmark]: Boogie Preprocessor took 77.66ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 76.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:35:37,823 INFO L158 Benchmark]: RCFGBuilder took 947.17ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 54.7MB in the end (delta: 21.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:35:37,824 INFO L158 Benchmark]: TraceAbstraction took 12467.47ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 53.9MB in the beginning and 116.8MB in the end (delta: -62.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-28 04:35:37,824 INFO L158 Benchmark]: Witness Printer took 146.65ms. Allocated memory is still 218.1MB. Free memory was 116.8MB in the beginning and 110.8MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:35:37,829 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.18ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 79.5MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.32ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 77.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 77.66ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 76.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 947.17ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 54.7MB in the end (delta: 21.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12467.47ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 53.9MB in the beginning and 116.8MB in the end (delta: -62.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 146.65ms. Allocated memory is still 218.1MB. Free memory was 116.8MB in the beginning and 110.8MB in the end (delta: 6.1MB). 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: 12.2s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 988 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 530 mSDsluCounter, 448 SdHoareTripleChecker+Invalid, 2.1s 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, 0.5s 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, 4.1s 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! [2024-11-28 04:35:37,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02a4901e-0ecd-49c7-876c-867411be0f04/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE