./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/thread-join-array-const.i --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_a5561e8e-14cc-4418-aaa2-81fdc862bd40/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5561e8e-14cc-4418-aaa2-81fdc862bd40/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_a5561e8e-14cc-4418-aaa2-81fdc862bd40/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5561e8e-14cc-4418-aaa2-81fdc862bd40/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/thread-join-array-const.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5561e8e-14cc-4418-aaa2-81fdc862bd40/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_a5561e8e-14cc-4418-aaa2-81fdc862bd40/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 3fabc1cc94c3126ff26eb9b915167fe6a6af37b0806df7c41554f022c4d5bcac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:07:55,925 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:07:56,007 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5561e8e-14cc-4418-aaa2-81fdc862bd40/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 04:07:56,012 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:07:56,016 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:07:56,038 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:07:56,040 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:07:56,040 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:07:56,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:07:56,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:07:56,042 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:07:56,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:07:56,043 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:07:56,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:07:56,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:07:56,044 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:07:56,044 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:07:56,044 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:07:56,044 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:07:56,044 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:07:56,045 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:07:56,045 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:07:56,045 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 04:07:56,045 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:07:56,045 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:07:56,046 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:07:56,046 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:07:56,046 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:07:56,046 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:07:56,046 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:07:56,046 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:07:56,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:07:56,047 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:07:56,047 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:07:56,047 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:07:56,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:07:56,048 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:07:56,048 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:07:56,048 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:07:56,048 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:07:56,048 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:07:56,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:07:56,049 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:07:56,049 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:07:56,049 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:07:56,049 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:07:56,049 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_a5561e8e-14cc-4418-aaa2-81fdc862bd40/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 -> 3fabc1cc94c3126ff26eb9b915167fe6a6af37b0806df7c41554f022c4d5bcac [2024-11-28 04:07:56,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:07:56,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:07:56,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:07:56,378 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:07:56,380 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:07:56,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5561e8e-14cc-4418-aaa2-81fdc862bd40/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-race-challenges/thread-join-array-const.i [2024-11-28 04:07:59,308 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5561e8e-14cc-4418-aaa2-81fdc862bd40/bin/uautomizer-verify-aQ6SnzHsRB/data/3d04a1f47/ada49cd9483c490994be45af222045dd/FLAGa8529ab36 [2024-11-28 04:07:59,657 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:07:59,661 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5561e8e-14cc-4418-aaa2-81fdc862bd40/sv-benchmarks/c/pthread-race-challenges/thread-join-array-const.i [2024-11-28 04:07:59,685 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5561e8e-14cc-4418-aaa2-81fdc862bd40/bin/uautomizer-verify-aQ6SnzHsRB/data/3d04a1f47/ada49cd9483c490994be45af222045dd/FLAGa8529ab36 [2024-11-28 04:07:59,705 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5561e8e-14cc-4418-aaa2-81fdc862bd40/bin/uautomizer-verify-aQ6SnzHsRB/data/3d04a1f47/ada49cd9483c490994be45af222045dd [2024-11-28 04:07:59,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:07:59,710 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:07:59,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:07:59,712 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:07:59,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:07:59,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:07:59" (1/1) ... [2024-11-28 04:07:59,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@606fb8a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:07:59, skipping insertion in model container [2024-11-28 04:07:59,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:07:59" (1/1) ... [2024-11-28 04:07:59,766 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:08:00,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:08:00,114 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:08:00,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:08:00,218 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:08:00,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:00 WrapperNode [2024-11-28 04:08:00,220 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:08:00,224 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:08:00,224 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:08:00,224 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:08:00,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:00" (1/1) ... [2024-11-28 04:08:00,248 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:00" (1/1) ... [2024-11-28 04:08:00,277 INFO L138 Inliner]: procedures = 158, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2024-11-28 04:08:00,277 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:08:00,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:08:00,279 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:08:00,279 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:08:00,287 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:00" (1/1) ... [2024-11-28 04:08:00,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:00" (1/1) ... [2024-11-28 04:08:00,291 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:00" (1/1) ... [2024-11-28 04:08:00,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:00" (1/1) ... [2024-11-28 04:08:00,307 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:00" (1/1) ... [2024-11-28 04:08:00,311 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:00" (1/1) ... [2024-11-28 04:08:00,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:00" (1/1) ... [2024-11-28 04:08:00,320 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:00" (1/1) ... [2024-11-28 04:08:00,321 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:00" (1/1) ... [2024-11-28 04:08:00,324 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:08:00,325 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:08:00,326 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:08:00,326 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:08:00,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:00" (1/1) ... [2024-11-28 04:08:00,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:08:00,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5561e8e-14cc-4418-aaa2-81fdc862bd40/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:08:00,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5561e8e-14cc-4418-aaa2-81fdc862bd40/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:08:00,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5561e8e-14cc-4418-aaa2-81fdc862bd40/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:08:00,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 04:08:00,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 04:08:00,401 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 04:08:00,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:08:00,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:08:00,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:08:00,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 04:08:00,402 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-11-28 04:08:00,402 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-11-28 04:08:00,402 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 04:08:00,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:08:00,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:08:00,404 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 04:08:00,535 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:08:00,537 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:08:00,745 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:08:00,745 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:08:00,773 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:08:00,773 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:08:00,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:08:00 BoogieIcfgContainer [2024-11-28 04:08:00,773 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:08:00,778 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:08:00,778 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:08:00,784 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:08:00,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:07:59" (1/3) ... [2024-11-28 04:08:00,786 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5b3d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:08:00, skipping insertion in model container [2024-11-28 04:08:00,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:08:00" (2/3) ... [2024-11-28 04:08:00,786 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5b3d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:08:00, skipping insertion in model container [2024-11-28 04:08:00,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:08:00" (3/3) ... [2024-11-28 04:08:00,788 INFO L128 eAbstractionObserver]: Analyzing ICFG thread-join-array-const.i [2024-11-28 04:08:00,806 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:08:00,808 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG thread-join-array-const.i that has 2 procedures, 76 locations, 1 initial locations, 2 loop locations, and 4 error locations. [2024-11-28 04:08:00,808 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 04:08:00,892 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-28 04:08:00,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 79 places, 79 transitions, 165 flow [2024-11-28 04:08:01,027 INFO L124 PetriNetUnfolderBase]: 5/114 cut-off events. [2024-11-28 04:08:01,030 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 04:08:01,038 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 114 events. 5/114 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 220 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 57. Up to 4 conditions per place. [2024-11-28 04:08:01,038 INFO L82 GeneralOperation]: Start removeDead. Operand has 79 places, 79 transitions, 165 flow [2024-11-28 04:08:01,043 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 79 transitions, 165 flow [2024-11-28 04:08:01,051 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:08:01,066 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;@dc9837f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:08:01,066 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-28 04:08:01,082 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:08:01,082 INFO L124 PetriNetUnfolderBase]: 2/32 cut-off events. [2024-11-28 04:08:01,083 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:08:01,083 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:01,083 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] [2024-11-28 04:08:01,084 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-28 04:08:01,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:01,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1723894168, now seen corresponding path program 1 times [2024-11-28 04:08:01,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:01,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489751479] [2024-11-28 04:08:01,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:01,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:01,436 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 04:08:01,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:01,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489751479] [2024-11-28 04:08:01,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489751479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:01,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:01,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:08:01,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629481585] [2024-11-28 04:08:01,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:01,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:08:01,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:01,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:08:01,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:08:01,553 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 79 [2024-11-28 04:08:01,559 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 79 transitions, 165 flow. Second operand has 4 states, 4 states have (on average 67.25) internal successors, (269), 4 states have internal predecessors, (269), 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 04:08:01,559 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:01,559 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 79 [2024-11-28 04:08:01,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:01,687 INFO L124 PetriNetUnfolderBase]: 8/187 cut-off events. [2024-11-28 04:08:01,689 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-28 04:08:01,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 187 events. 8/187 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 582 event pairs, 0 based on Foata normal form. 5/172 useless extension candidates. Maximal degree in co-relation 155. Up to 17 conditions per place. [2024-11-28 04:08:01,691 INFO L140 encePairwiseOnDemand]: 72/79 looper letters, 10 selfloop transitions, 4 changer transitions 1/81 dead transitions. [2024-11-28 04:08:01,692 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 81 transitions, 199 flow [2024-11-28 04:08:01,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:08:01,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 04:08:01,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 283 transitions. [2024-11-28 04:08:01,710 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8955696202531646 [2024-11-28 04:08:01,713 INFO L175 Difference]: Start difference. First operand has 79 places, 79 transitions, 165 flow. Second operand 4 states and 283 transitions. [2024-11-28 04:08:01,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 81 transitions, 199 flow [2024-11-28 04:08:01,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 81 transitions, 199 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:08:01,725 INFO L231 Difference]: Finished difference. Result has 83 places, 77 transitions, 173 flow [2024-11-28 04:08:01,729 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=173, PETRI_PLACES=83, PETRI_TRANSITIONS=77} [2024-11-28 04:08:01,734 INFO L279 CegarLoopForPetriNet]: 79 programPoint places, 4 predicate places. [2024-11-28 04:08:01,734 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 77 transitions, 173 flow [2024-11-28 04:08:01,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 67.25) internal successors, (269), 4 states have internal predecessors, (269), 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 04:08:01,735 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:01,735 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] [2024-11-28 04:08:01,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:08:01,739 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-28 04:08:01,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:01,740 INFO L85 PathProgramCache]: Analyzing trace with hash 482375562, now seen corresponding path program 1 times [2024-11-28 04:08:01,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:01,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141839870] [2024-11-28 04:08:01,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:01,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:02,372 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 04:08:02,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:02,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141839870] [2024-11-28 04:08:02,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141839870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:02,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:02,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:08:02,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110100557] [2024-11-28 04:08:02,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:02,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:08:02,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:02,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:08:02,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:08:02,574 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 79 [2024-11-28 04:08:02,574 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 77 transitions, 173 flow. Second operand has 6 states, 6 states have (on average 55.5) internal successors, (333), 6 states have internal predecessors, (333), 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 04:08:02,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:02,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 79 [2024-11-28 04:08:02,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:02,759 INFO L124 PetriNetUnfolderBase]: 30/231 cut-off events. [2024-11-28 04:08:02,760 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-28 04:08:02,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 348 conditions, 231 events. 30/231 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 936 event pairs, 11 based on Foata normal form. 0/214 useless extension candidates. Maximal degree in co-relation 268. Up to 62 conditions per place. [2024-11-28 04:08:02,762 INFO L140 encePairwiseOnDemand]: 73/79 looper letters, 25 selfloop transitions, 5 changer transitions 0/84 dead transitions. [2024-11-28 04:08:02,763 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 84 transitions, 247 flow [2024-11-28 04:08:02,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:08:02,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:08:02,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 355 transitions. [2024-11-28 04:08:02,768 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7489451476793249 [2024-11-28 04:08:02,768 INFO L175 Difference]: Start difference. First operand has 83 places, 77 transitions, 173 flow. Second operand 6 states and 355 transitions. [2024-11-28 04:08:02,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 84 transitions, 247 flow [2024-11-28 04:08:02,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 84 transitions, 239 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-28 04:08:02,772 INFO L231 Difference]: Finished difference. Result has 84 places, 76 transitions, 173 flow [2024-11-28 04:08:02,773 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=163, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=173, PETRI_PLACES=84, PETRI_TRANSITIONS=76} [2024-11-28 04:08:02,774 INFO L279 CegarLoopForPetriNet]: 79 programPoint places, 5 predicate places. [2024-11-28 04:08:02,774 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 76 transitions, 173 flow [2024-11-28 04:08:02,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 55.5) internal successors, (333), 6 states have internal predecessors, (333), 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 04:08:02,775 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:02,776 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 04:08:02,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:08:02,777 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-28 04:08:02,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:02,778 INFO L85 PathProgramCache]: Analyzing trace with hash 2108367966, now seen corresponding path program 1 times [2024-11-28 04:08:02,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:02,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756387413] [2024-11-28 04:08:02,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:02,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:02,861 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 04:08:02,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:02,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756387413] [2024-11-28 04:08:02,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756387413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:02,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:02,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:08:02,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499333002] [2024-11-28 04:08:02,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:02,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:08:02,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:02,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:08:02,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:08:02,881 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 79 [2024-11-28 04:08:02,882 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 76 transitions, 173 flow. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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 04:08:02,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:02,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 79 [2024-11-28 04:08:02,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:02,924 INFO L124 PetriNetUnfolderBase]: 6/143 cut-off events. [2024-11-28 04:08:02,925 INFO L125 PetriNetUnfolderBase]: For 4/10 co-relation queries the response was YES. [2024-11-28 04:08:02,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 187 conditions, 143 events. 6/143 cut-off events. For 4/10 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 379 event pairs, 4 based on Foata normal form. 1/132 useless extension candidates. Maximal degree in co-relation 136. Up to 21 conditions per place. [2024-11-28 04:08:02,927 INFO L140 encePairwiseOnDemand]: 74/79 looper letters, 9 selfloop transitions, 4 changer transitions 0/79 dead transitions. [2024-11-28 04:08:02,927 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 79 transitions, 205 flow [2024-11-28 04:08:02,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:08:02,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:08:02,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 215 transitions. [2024-11-28 04:08:02,931 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9071729957805907 [2024-11-28 04:08:02,932 INFO L175 Difference]: Start difference. First operand has 84 places, 76 transitions, 173 flow. Second operand 3 states and 215 transitions. [2024-11-28 04:08:02,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 79 transitions, 205 flow [2024-11-28 04:08:02,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 79 transitions, 195 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:08:02,934 INFO L231 Difference]: Finished difference. Result has 83 places, 79 transitions, 193 flow [2024-11-28 04:08:02,936 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=163, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=193, PETRI_PLACES=83, PETRI_TRANSITIONS=79} [2024-11-28 04:08:02,937 INFO L279 CegarLoopForPetriNet]: 79 programPoint places, 4 predicate places. [2024-11-28 04:08:02,937 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 79 transitions, 193 flow [2024-11-28 04:08:02,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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 04:08:02,938 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:02,938 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] [2024-11-28 04:08:02,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:08:02,938 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-28 04:08:02,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:02,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1760578690, now seen corresponding path program 1 times [2024-11-28 04:08:02,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:02,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713386140] [2024-11-28 04:08:02,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:02,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:03,078 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 04:08:03,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:03,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713386140] [2024-11-28 04:08:03,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713386140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:03,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:03,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:08:03,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833916126] [2024-11-28 04:08:03,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:03,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:08:03,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:03,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:08:03,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:08:03,139 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 79 [2024-11-28 04:08:03,139 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 79 transitions, 193 flow. Second operand has 4 states, 4 states have (on average 67.5) internal successors, (270), 4 states have internal predecessors, (270), 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 04:08:03,140 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:03,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 79 [2024-11-28 04:08:03,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:03,181 INFO L124 PetriNetUnfolderBase]: 2/108 cut-off events. [2024-11-28 04:08:03,181 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-28 04:08:03,181 INFO L83 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 108 events. 2/108 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 154 event pairs, 0 based on Foata normal form. 3/106 useless extension candidates. Maximal degree in co-relation 83. Up to 7 conditions per place. [2024-11-28 04:08:03,182 INFO L140 encePairwiseOnDemand]: 74/79 looper letters, 9 selfloop transitions, 3 changer transitions 7/77 dead transitions. [2024-11-28 04:08:03,182 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 77 transitions, 203 flow [2024-11-28 04:08:03,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:08:03,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 04:08:03,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 278 transitions. [2024-11-28 04:08:03,184 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.879746835443038 [2024-11-28 04:08:03,184 INFO L175 Difference]: Start difference. First operand has 83 places, 79 transitions, 193 flow. Second operand 4 states and 278 transitions. [2024-11-28 04:08:03,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 77 transitions, 203 flow [2024-11-28 04:08:03,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 77 transitions, 191 flow, removed 2 selfloop flow, removed 4 redundant places. [2024-11-28 04:08:03,188 INFO L231 Difference]: Finished difference. Result has 82 places, 68 transitions, 157 flow [2024-11-28 04:08:03,188 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=157, PETRI_PLACES=82, PETRI_TRANSITIONS=68} [2024-11-28 04:08:03,189 INFO L279 CegarLoopForPetriNet]: 79 programPoint places, 3 predicate places. [2024-11-28 04:08:03,190 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 68 transitions, 157 flow [2024-11-28 04:08:03,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 67.5) internal successors, (270), 4 states have internal predecessors, (270), 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 04:08:03,190 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:03,191 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:03,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:08:03,191 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-28 04:08:03,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:03,193 INFO L85 PathProgramCache]: Analyzing trace with hash -688522302, now seen corresponding path program 1 times [2024-11-28 04:08:03,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:03,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666981596] [2024-11-28 04:08:03,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:03,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:03,375 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 04:08:03,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:03,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666981596] [2024-11-28 04:08:03,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666981596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:03,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:03,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:08:03,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735700468] [2024-11-28 04:08:03,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:03,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:08:03,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:03,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:08:03,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:08:03,457 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 79 [2024-11-28 04:08:03,458 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 68 transitions, 157 flow. Second operand has 6 states, 6 states have (on average 65.5) internal successors, (393), 6 states have internal predecessors, (393), 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 04:08:03,458 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:03,458 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 79 [2024-11-28 04:08:03,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:03,550 INFO L124 PetriNetUnfolderBase]: 6/95 cut-off events. [2024-11-28 04:08:03,550 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 04:08:03,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 95 events. 6/95 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 141 event pairs, 0 based on Foata normal form. 3/97 useless extension candidates. Maximal degree in co-relation 122. Up to 5 conditions per place. [2024-11-28 04:08:03,551 INFO L140 encePairwiseOnDemand]: 73/79 looper letters, 10 selfloop transitions, 5 changer transitions 0/54 dead transitions. [2024-11-28 04:08:03,551 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 54 transitions, 146 flow [2024-11-28 04:08:03,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:08:03,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 04:08:03,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 464 transitions. [2024-11-28 04:08:03,553 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8390596745027125 [2024-11-28 04:08:03,553 INFO L175 Difference]: Start difference. First operand has 82 places, 68 transitions, 157 flow. Second operand 7 states and 464 transitions. [2024-11-28 04:08:03,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 54 transitions, 146 flow [2024-11-28 04:08:03,554 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 54 transitions, 143 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:08:03,555 INFO L231 Difference]: Finished difference. Result has 59 places, 48 transitions, 111 flow [2024-11-28 04:08:03,555 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=111, PETRI_PLACES=59, PETRI_TRANSITIONS=48} [2024-11-28 04:08:03,556 INFO L279 CegarLoopForPetriNet]: 79 programPoint places, -20 predicate places. [2024-11-28 04:08:03,556 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 48 transitions, 111 flow [2024-11-28 04:08:03,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 65.5) internal successors, (393), 6 states have internal predecessors, (393), 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 04:08:03,556 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:03,557 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 04:08:03,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:08:03,557 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-28 04:08:03,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:03,558 INFO L85 PathProgramCache]: Analyzing trace with hash -2001815417, now seen corresponding path program 1 times [2024-11-28 04:08:03,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:03,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249805747] [2024-11-28 04:08:03,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:03,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:08:03,581 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:08:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:08:03,619 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:08:03,619 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:08:03,620 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 6 remaining) [2024-11-28 04:08:03,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining) [2024-11-28 04:08:03,626 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2024-11-28 04:08:03,626 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2024-11-28 04:08:03,626 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2024-11-28 04:08:03,626 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2024-11-28 04:08:03,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:08:03,627 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-28 04:08:03,632 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-28 04:08:03,632 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-28 04:08:03,658 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 04:08:03,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 98 places, 97 transitions, 210 flow [2024-11-28 04:08:03,691 INFO L124 PetriNetUnfolderBase]: 10/203 cut-off events. [2024-11-28 04:08:03,692 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-28 04:08:03,693 INFO L83 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 203 events. 10/203 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 467 event pairs, 0 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 116. Up to 8 conditions per place. [2024-11-28 04:08:03,693 INFO L82 GeneralOperation]: Start removeDead. Operand has 98 places, 97 transitions, 210 flow [2024-11-28 04:08:03,695 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 98 places, 97 transitions, 210 flow [2024-11-28 04:08:03,697 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:08:03,697 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;@dc9837f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:08:03,698 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-28 04:08:03,703 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:08:03,703 INFO L124 PetriNetUnfolderBase]: 2/32 cut-off events. [2024-11-28 04:08:03,703 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:08:03,703 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:03,703 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] [2024-11-28 04:08:03,704 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-11-28 04:08:03,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:03,704 INFO L85 PathProgramCache]: Analyzing trace with hash -2125474056, now seen corresponding path program 1 times [2024-11-28 04:08:03,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:03,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234285685] [2024-11-28 04:08:03,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:03,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:03,782 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 04:08:03,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:03,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234285685] [2024-11-28 04:08:03,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234285685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:03,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:03,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:08:03,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209544147] [2024-11-28 04:08:03,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:03,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:08:03,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:03,784 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:08:03,784 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:08:03,836 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 97 [2024-11-28 04:08:03,837 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 97 transitions, 210 flow. Second operand has 4 states, 4 states have (on average 81.25) internal successors, (325), 4 states have internal predecessors, (325), 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 04:08:03,837 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:03,837 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 97 [2024-11-28 04:08:03,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:03,967 INFO L124 PetriNetUnfolderBase]: 72/621 cut-off events. [2024-11-28 04:08:03,967 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2024-11-28 04:08:03,970 INFO L83 FinitePrefix]: Finished finitePrefix Result has 787 conditions, 621 events. 72/621 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3726 event pairs, 20 based on Foata normal form. 16/581 useless extension candidates. Maximal degree in co-relation 215. Up to 106 conditions per place. [2024-11-28 04:08:03,972 INFO L140 encePairwiseOnDemand]: 90/97 looper letters, 18 selfloop transitions, 4 changer transitions 0/102 dead transitions. [2024-11-28 04:08:03,972 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 102 transitions, 264 flow [2024-11-28 04:08:03,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:08:03,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 04:08:03,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 346 transitions. [2024-11-28 04:08:03,974 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8917525773195877 [2024-11-28 04:08:03,974 INFO L175 Difference]: Start difference. First operand has 98 places, 97 transitions, 210 flow. Second operand 4 states and 346 transitions. [2024-11-28 04:08:03,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 102 transitions, 264 flow [2024-11-28 04:08:03,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 102 transitions, 264 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:08:03,977 INFO L231 Difference]: Finished difference. Result has 102 places, 96 transitions, 222 flow [2024-11-28 04:08:03,977 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=222, PETRI_PLACES=102, PETRI_TRANSITIONS=96} [2024-11-28 04:08:03,977 INFO L279 CegarLoopForPetriNet]: 98 programPoint places, 4 predicate places. [2024-11-28 04:08:03,978 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 96 transitions, 222 flow [2024-11-28 04:08:03,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 81.25) internal successors, (325), 4 states have internal predecessors, (325), 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 04:08:03,978 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:03,978 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:03,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:08:03,978 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-11-28 04:08:03,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:03,979 INFO L85 PathProgramCache]: Analyzing trace with hash -419486101, now seen corresponding path program 1 times [2024-11-28 04:08:03,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:03,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651128991] [2024-11-28 04:08:03,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:03,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:04,339 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 04:08:04,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:04,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651128991] [2024-11-28 04:08:04,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651128991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:04,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:04,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:08:04,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328809238] [2024-11-28 04:08:04,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:04,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:08:04,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:04,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:08:04,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:08:04,483 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 97 [2024-11-28 04:08:04,484 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 96 transitions, 222 flow. Second operand has 6 states, 6 states have (on average 69.5) internal successors, (417), 6 states have internal predecessors, (417), 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 04:08:04,484 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:04,484 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 97 [2024-11-28 04:08:04,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:04,758 INFO L124 PetriNetUnfolderBase]: 236/992 cut-off events. [2024-11-28 04:08:04,758 INFO L125 PetriNetUnfolderBase]: For 63/63 co-relation queries the response was YES. [2024-11-28 04:08:04,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1527 conditions, 992 events. 236/992 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 6904 event pairs, 34 based on Foata normal form. 0/918 useless extension candidates. Maximal degree in co-relation 1204. Up to 313 conditions per place. [2024-11-28 04:08:04,767 INFO L140 encePairwiseOnDemand]: 91/97 looper letters, 38 selfloop transitions, 5 changer transitions 0/111 dead transitions. [2024-11-28 04:08:04,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 111 transitions, 338 flow [2024-11-28 04:08:04,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:08:04,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:08:04,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 451 transitions. [2024-11-28 04:08:04,769 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7749140893470791 [2024-11-28 04:08:04,770 INFO L175 Difference]: Start difference. First operand has 102 places, 96 transitions, 222 flow. Second operand 6 states and 451 transitions. [2024-11-28 04:08:04,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 111 transitions, 338 flow [2024-11-28 04:08:04,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 111 transitions, 332 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:08:04,776 INFO L231 Difference]: Finished difference. Result has 104 places, 95 transitions, 224 flow [2024-11-28 04:08:04,776 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=224, PETRI_PLACES=104, PETRI_TRANSITIONS=95} [2024-11-28 04:08:04,777 INFO L279 CegarLoopForPetriNet]: 98 programPoint places, 6 predicate places. [2024-11-28 04:08:04,777 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 95 transitions, 224 flow [2024-11-28 04:08:04,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.5) internal successors, (417), 6 states have internal predecessors, (417), 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 04:08:04,778 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:04,778 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 04:08:04,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:08:04,778 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-11-28 04:08:04,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:04,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1977314447, now seen corresponding path program 1 times [2024-11-28 04:08:04,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:04,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526114060] [2024-11-28 04:08:04,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:04,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:04,829 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 04:08:04,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:04,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526114060] [2024-11-28 04:08:04,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526114060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:04,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:04,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:08:04,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461234113] [2024-11-28 04:08:04,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:04,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:08:04,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:04,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:08:04,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:08:04,851 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 97 [2024-11-28 04:08:04,851 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 95 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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 04:08:04,852 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:04,852 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 97 [2024-11-28 04:08:04,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:04,976 INFO L124 PetriNetUnfolderBase]: 113/682 cut-off events. [2024-11-28 04:08:04,977 INFO L125 PetriNetUnfolderBase]: For 95/136 co-relation queries the response was YES. [2024-11-28 04:08:04,979 INFO L83 FinitePrefix]: Finished finitePrefix Result has 969 conditions, 682 events. 113/682 cut-off events. For 95/136 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 4335 event pairs, 73 based on Foata normal form. 3/609 useless extension candidates. Maximal degree in co-relation 734. Up to 182 conditions per place. [2024-11-28 04:08:04,982 INFO L140 encePairwiseOnDemand]: 91/97 looper letters, 18 selfloop transitions, 5 changer transitions 0/103 dead transitions. [2024-11-28 04:08:04,982 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 103 transitions, 294 flow [2024-11-28 04:08:04,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:08:04,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:08:04,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 264 transitions. [2024-11-28 04:08:04,985 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9072164948453608 [2024-11-28 04:08:04,986 INFO L175 Difference]: Start difference. First operand has 104 places, 95 transitions, 224 flow. Second operand 3 states and 264 transitions. [2024-11-28 04:08:04,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 103 transitions, 294 flow [2024-11-28 04:08:04,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 103 transitions, 284 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:08:04,991 INFO L231 Difference]: Finished difference. Result has 103 places, 99 transitions, 252 flow [2024-11-28 04:08:04,992 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=252, PETRI_PLACES=103, PETRI_TRANSITIONS=99} [2024-11-28 04:08:04,992 INFO L279 CegarLoopForPetriNet]: 98 programPoint places, 5 predicate places. [2024-11-28 04:08:04,995 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 99 transitions, 252 flow [2024-11-28 04:08:04,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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 04:08:04,995 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:04,995 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] [2024-11-28 04:08:04,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:08:04,995 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-11-28 04:08:04,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:04,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1029921677, now seen corresponding path program 1 times [2024-11-28 04:08:04,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:04,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906930466] [2024-11-28 04:08:04,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:04,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:05,086 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 04:08:05,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:05,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906930466] [2024-11-28 04:08:05,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906930466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:05,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:05,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:08:05,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707324238] [2024-11-28 04:08:05,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:05,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:08:05,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:05,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:08:05,090 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:08:05,138 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 97 [2024-11-28 04:08:05,139 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 99 transitions, 252 flow. Second operand has 4 states, 4 states have (on average 81.5) internal successors, (326), 4 states have internal predecessors, (326), 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 04:08:05,139 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:05,139 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 97 [2024-11-28 04:08:05,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:05,284 INFO L124 PetriNetUnfolderBase]: 57/561 cut-off events. [2024-11-28 04:08:05,284 INFO L125 PetriNetUnfolderBase]: For 65/65 co-relation queries the response was YES. [2024-11-28 04:08:05,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 793 conditions, 561 events. 57/561 cut-off events. For 65/65 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3017 event pairs, 20 based on Foata normal form. 15/532 useless extension candidates. Maximal degree in co-relation 618. Up to 66 conditions per place. [2024-11-28 04:08:05,291 INFO L140 encePairwiseOnDemand]: 92/97 looper letters, 20 selfloop transitions, 4 changer transitions 2/110 dead transitions. [2024-11-28 04:08:05,291 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 110 transitions, 332 flow [2024-11-28 04:08:05,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:08:05,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 04:08:05,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 347 transitions. [2024-11-28 04:08:05,293 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8943298969072165 [2024-11-28 04:08:05,293 INFO L175 Difference]: Start difference. First operand has 103 places, 99 transitions, 252 flow. Second operand 4 states and 347 transitions. [2024-11-28 04:08:05,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 110 transitions, 332 flow [2024-11-28 04:08:05,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 110 transitions, 322 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:08:05,298 INFO L231 Difference]: Finished difference. Result has 105 places, 100 transitions, 258 flow [2024-11-28 04:08:05,298 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=258, PETRI_PLACES=105, PETRI_TRANSITIONS=100} [2024-11-28 04:08:05,300 INFO L279 CegarLoopForPetriNet]: 98 programPoint places, 7 predicate places. [2024-11-28 04:08:05,300 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 100 transitions, 258 flow [2024-11-28 04:08:05,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 81.5) internal successors, (326), 4 states have internal predecessors, (326), 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 04:08:05,301 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:05,301 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:05,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:08:05,301 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-11-28 04:08:05,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:05,302 INFO L85 PathProgramCache]: Analyzing trace with hash 902122098, now seen corresponding path program 1 times [2024-11-28 04:08:05,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:05,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849673224] [2024-11-28 04:08:05,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:05,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:05,480 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 04:08:05,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:05,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849673224] [2024-11-28 04:08:05,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849673224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:05,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:05,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:08:05,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931412083] [2024-11-28 04:08:05,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:05,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:08:05,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:05,481 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:08:05,481 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:08:05,578 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 97 [2024-11-28 04:08:05,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 100 transitions, 258 flow. Second operand has 6 states, 6 states have (on average 79.5) internal successors, (477), 6 states have internal predecessors, (477), 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 04:08:05,579 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:05,579 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 97 [2024-11-28 04:08:05,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:05,792 INFO L124 PetriNetUnfolderBase]: 117/892 cut-off events. [2024-11-28 04:08:05,792 INFO L125 PetriNetUnfolderBase]: For 86/86 co-relation queries the response was YES. [2024-11-28 04:08:05,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1256 conditions, 892 events. 117/892 cut-off events. For 86/86 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 5635 event pairs, 16 based on Foata normal form. 3/814 useless extension candidates. Maximal degree in co-relation 765. Up to 130 conditions per place. [2024-11-28 04:08:05,798 INFO L140 encePairwiseOnDemand]: 90/97 looper letters, 24 selfloop transitions, 7 changer transitions 3/116 dead transitions. [2024-11-28 04:08:05,798 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 116 transitions, 358 flow [2024-11-28 04:08:05,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:08:05,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 04:08:05,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 581 transitions. [2024-11-28 04:08:05,800 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8556701030927835 [2024-11-28 04:08:05,800 INFO L175 Difference]: Start difference. First operand has 105 places, 100 transitions, 258 flow. Second operand 7 states and 581 transitions. [2024-11-28 04:08:05,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 116 transitions, 358 flow [2024-11-28 04:08:05,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 116 transitions, 352 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:08:05,804 INFO L231 Difference]: Finished difference. Result has 112 places, 102 transitions, 282 flow [2024-11-28 04:08:05,804 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=282, PETRI_PLACES=112, PETRI_TRANSITIONS=102} [2024-11-28 04:08:05,804 INFO L279 CegarLoopForPetriNet]: 98 programPoint places, 14 predicate places. [2024-11-28 04:08:05,805 INFO L471 AbstractCegarLoop]: Abstraction has has 112 places, 102 transitions, 282 flow [2024-11-28 04:08:05,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.5) internal successors, (477), 6 states have internal predecessors, (477), 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 04:08:05,805 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:05,805 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:08:05,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:08:05,805 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-11-28 04:08:05,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:05,806 INFO L85 PathProgramCache]: Analyzing trace with hash -246347741, now seen corresponding path program 1 times [2024-11-28 04:08:05,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:05,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187453453] [2024-11-28 04:08:05,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:05,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:05,860 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 04:08:05,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:05,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187453453] [2024-11-28 04:08:05,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187453453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:05,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:05,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:08:05,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293198882] [2024-11-28 04:08:05,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:05,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:08:05,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:05,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:08:05,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:08:05,876 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 97 [2024-11-28 04:08:05,877 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 102 transitions, 282 flow. Second operand has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 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 04:08:05,877 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:05,877 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 97 [2024-11-28 04:08:05,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:05,990 INFO L124 PetriNetUnfolderBase]: 58/596 cut-off events. [2024-11-28 04:08:05,990 INFO L125 PetriNetUnfolderBase]: For 130/179 co-relation queries the response was YES. [2024-11-28 04:08:05,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 894 conditions, 596 events. 58/596 cut-off events. For 130/179 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 3432 event pairs, 32 based on Foata normal form. 3/552 useless extension candidates. Maximal degree in co-relation 784. Up to 111 conditions per place. [2024-11-28 04:08:05,993 INFO L140 encePairwiseOnDemand]: 91/97 looper letters, 18 selfloop transitions, 6 changer transitions 0/109 dead transitions. [2024-11-28 04:08:05,994 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 109 transitions, 351 flow [2024-11-28 04:08:05,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:08:05,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:08:05,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 263 transitions. [2024-11-28 04:08:05,995 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9037800687285223 [2024-11-28 04:08:05,995 INFO L175 Difference]: Start difference. First operand has 112 places, 102 transitions, 282 flow. Second operand 3 states and 263 transitions. [2024-11-28 04:08:05,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 109 transitions, 351 flow [2024-11-28 04:08:05,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 109 transitions, 341 flow, removed 1 selfloop flow, removed 3 redundant places. [2024-11-28 04:08:05,998 INFO L231 Difference]: Finished difference. Result has 113 places, 106 transitions, 318 flow [2024-11-28 04:08:05,998 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=318, PETRI_PLACES=113, PETRI_TRANSITIONS=106} [2024-11-28 04:08:05,999 INFO L279 CegarLoopForPetriNet]: 98 programPoint places, 15 predicate places. [2024-11-28 04:08:05,999 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 106 transitions, 318 flow [2024-11-28 04:08:05,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 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 04:08:05,999 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:05,999 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 04:08:05,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:08:05,999 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-11-28 04:08:06,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:06,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1278121362, now seen corresponding path program 1 times [2024-11-28 04:08:06,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:06,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743173898] [2024-11-28 04:08:06,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:06,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:06,200 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 04:08:06,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:06,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743173898] [2024-11-28 04:08:06,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743173898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:06,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:06,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:08:06,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992788026] [2024-11-28 04:08:06,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:06,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:08:06,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:06,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:08:06,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:08:06,298 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 97 [2024-11-28 04:08:06,299 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 106 transitions, 318 flow. Second operand has 8 states, 8 states have (on average 79.625) internal successors, (637), 8 states have internal predecessors, (637), 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 04:08:06,299 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:06,299 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 97 [2024-11-28 04:08:06,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:06,506 INFO L124 PetriNetUnfolderBase]: 71/430 cut-off events. [2024-11-28 04:08:06,506 INFO L125 PetriNetUnfolderBase]: For 98/102 co-relation queries the response was YES. [2024-11-28 04:08:06,509 INFO L83 FinitePrefix]: Finished finitePrefix Result has 713 conditions, 430 events. 71/430 cut-off events. For 98/102 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2215 event pairs, 1 based on Foata normal form. 14/433 useless extension candidates. Maximal degree in co-relation 701. Up to 32 conditions per place. [2024-11-28 04:08:06,510 INFO L140 encePairwiseOnDemand]: 91/97 looper letters, 25 selfloop transitions, 8 changer transitions 0/93 dead transitions. [2024-11-28 04:08:06,510 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 93 transitions, 328 flow [2024-11-28 04:08:06,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:08:06,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-28 04:08:06,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 814 transitions. [2024-11-28 04:08:06,513 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8391752577319588 [2024-11-28 04:08:06,513 INFO L175 Difference]: Start difference. First operand has 113 places, 106 transitions, 318 flow. Second operand 10 states and 814 transitions. [2024-11-28 04:08:06,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 93 transitions, 328 flow [2024-11-28 04:08:06,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 93 transitions, 314 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 04:08:06,515 INFO L231 Difference]: Finished difference. Result has 91 places, 75 transitions, 228 flow [2024-11-28 04:08:06,516 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=228, PETRI_PLACES=91, PETRI_TRANSITIONS=75} [2024-11-28 04:08:06,518 INFO L279 CegarLoopForPetriNet]: 98 programPoint places, -7 predicate places. [2024-11-28 04:08:06,518 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 75 transitions, 228 flow [2024-11-28 04:08:06,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 79.625) internal successors, (637), 8 states have internal predecessors, (637), 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 04:08:06,518 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:06,518 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:06,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 04:08:06,519 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-11-28 04:08:06,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:06,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1195450316, now seen corresponding path program 1 times [2024-11-28 04:08:06,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:06,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96156064] [2024-11-28 04:08:06,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:06,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:08:06,558 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:08:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:08:06,587 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:08:06,587 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:08:06,588 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-28 04:08:06,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-28 04:08:06,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2024-11-28 04:08:06,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-28 04:08:06,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-28 04:08:06,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-28 04:08:06,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-28 04:08:06,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 04:08:06,588 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:06,589 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-28 04:08:06,589 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-28 04:08:06,621 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-28 04:08:06,627 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 117 places, 115 transitions, 257 flow [2024-11-28 04:08:06,673 INFO L124 PetriNetUnfolderBase]: 20/345 cut-off events. [2024-11-28 04:08:06,673 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-11-28 04:08:06,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 370 conditions, 345 events. 20/345 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 973 event pairs, 1 based on Foata normal form. 0/298 useless extension candidates. Maximal degree in co-relation 211. Up to 16 conditions per place. [2024-11-28 04:08:06,674 INFO L82 GeneralOperation]: Start removeDead. Operand has 117 places, 115 transitions, 257 flow [2024-11-28 04:08:06,677 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 117 places, 115 transitions, 257 flow [2024-11-28 04:08:06,678 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:08:06,679 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;@dc9837f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:08:06,679 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-28 04:08:06,682 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:08:06,682 INFO L124 PetriNetUnfolderBase]: 2/32 cut-off events. [2024-11-28 04:08:06,682 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:08:06,682 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:06,682 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] [2024-11-28 04:08:06,682 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-28 04:08:06,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:06,683 INFO L85 PathProgramCache]: Analyzing trace with hash -933016296, now seen corresponding path program 1 times [2024-11-28 04:08:06,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:06,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374139804] [2024-11-28 04:08:06,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:06,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:06,730 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 04:08:06,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:06,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374139804] [2024-11-28 04:08:06,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374139804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:06,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:06,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:08:06,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583177764] [2024-11-28 04:08:06,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:06,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:08:06,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:06,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:08:06,732 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:08:06,776 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 115 [2024-11-28 04:08:06,776 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 115 transitions, 257 flow. Second operand has 4 states, 4 states have (on average 95.25) internal successors, (381), 4 states have internal predecessors, (381), 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 04:08:06,776 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:06,776 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 115 [2024-11-28 04:08:06,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:07,135 INFO L124 PetriNetUnfolderBase]: 413/2217 cut-off events. [2024-11-28 04:08:07,135 INFO L125 PetriNetUnfolderBase]: For 232/232 co-relation queries the response was YES. [2024-11-28 04:08:07,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2991 conditions, 2217 events. 413/2217 cut-off events. For 232/232 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 17772 event pairs, 232 based on Foata normal form. 64/2094 useless extension candidates. Maximal degree in co-relation 1335. Up to 496 conditions per place. [2024-11-28 04:08:07,150 INFO L140 encePairwiseOnDemand]: 108/115 looper letters, 24 selfloop transitions, 4 changer transitions 0/122 dead transitions. [2024-11-28 04:08:07,150 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 122 transitions, 327 flow [2024-11-28 04:08:07,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:08:07,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 04:08:07,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 408 transitions. [2024-11-28 04:08:07,154 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8869565217391304 [2024-11-28 04:08:07,154 INFO L175 Difference]: Start difference. First operand has 117 places, 115 transitions, 257 flow. Second operand 4 states and 408 transitions. [2024-11-28 04:08:07,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 122 transitions, 327 flow [2024-11-28 04:08:07,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 122 transitions, 327 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:08:07,157 INFO L231 Difference]: Finished difference. Result has 121 places, 114 transitions, 269 flow [2024-11-28 04:08:07,157 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=253, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=269, PETRI_PLACES=121, PETRI_TRANSITIONS=114} [2024-11-28 04:08:07,159 INFO L279 CegarLoopForPetriNet]: 117 programPoint places, 4 predicate places. [2024-11-28 04:08:07,159 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 114 transitions, 269 flow [2024-11-28 04:08:07,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 95.25) internal successors, (381), 4 states have internal predecessors, (381), 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 04:08:07,160 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:07,160 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] [2024-11-28 04:08:07,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 04:08:07,160 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-28 04:08:07,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:07,161 INFO L85 PathProgramCache]: Analyzing trace with hash 415251038, now seen corresponding path program 1 times [2024-11-28 04:08:07,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:07,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957020423] [2024-11-28 04:08:07,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:07,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:07,412 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 04:08:07,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:07,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957020423] [2024-11-28 04:08:07,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957020423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:07,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:07,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:08:07,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190216607] [2024-11-28 04:08:07,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:07,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:08:07,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:07,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:08:07,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:08:07,541 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 115 [2024-11-28 04:08:07,541 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 114 transitions, 269 flow. Second operand has 6 states, 6 states have (on average 83.5) internal successors, (501), 6 states have internal predecessors, (501), 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 04:08:07,541 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:07,541 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 115 [2024-11-28 04:08:07,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:08,283 INFO L124 PetriNetUnfolderBase]: 1295/3992 cut-off events. [2024-11-28 04:08:08,283 INFO L125 PetriNetUnfolderBase]: For 327/327 co-relation queries the response was YES. [2024-11-28 04:08:08,294 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6344 conditions, 3992 events. 1295/3992 cut-off events. For 327/327 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 35346 event pairs, 181 based on Foata normal form. 0/3711 useless extension candidates. Maximal degree in co-relation 5668. Up to 1483 conditions per place. [2024-11-28 04:08:08,316 INFO L140 encePairwiseOnDemand]: 109/115 looper letters, 50 selfloop transitions, 5 changer transitions 0/137 dead transitions. [2024-11-28 04:08:08,316 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 137 transitions, 425 flow [2024-11-28 04:08:08,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:08:08,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:08:08,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 547 transitions. [2024-11-28 04:08:08,318 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7927536231884058 [2024-11-28 04:08:08,319 INFO L175 Difference]: Start difference. First operand has 121 places, 114 transitions, 269 flow. Second operand 6 states and 547 transitions. [2024-11-28 04:08:08,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 137 transitions, 425 flow [2024-11-28 04:08:08,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 137 transitions, 419 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:08:08,325 INFO L231 Difference]: Finished difference. Result has 123 places, 113 transitions, 271 flow [2024-11-28 04:08:08,325 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=271, PETRI_PLACES=123, PETRI_TRANSITIONS=113} [2024-11-28 04:08:08,325 INFO L279 CegarLoopForPetriNet]: 117 programPoint places, 6 predicate places. [2024-11-28 04:08:08,325 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 113 transitions, 271 flow [2024-11-28 04:08:08,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 83.5) internal successors, (501), 6 states have internal predecessors, (501), 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 04:08:08,326 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:08,326 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 04:08:08,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 04:08:08,326 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-28 04:08:08,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:08,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1488140622, now seen corresponding path program 1 times [2024-11-28 04:08:08,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:08,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757000493] [2024-11-28 04:08:08,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:08,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:08,378 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 04:08:08,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:08,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757000493] [2024-11-28 04:08:08,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757000493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:08,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:08,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:08:08,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933304366] [2024-11-28 04:08:08,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:08,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:08:08,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:08,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:08:08,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:08:08,407 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 115 [2024-11-28 04:08:08,407 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 113 transitions, 271 flow. Second operand has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 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 04:08:08,408 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:08,408 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 115 [2024-11-28 04:08:08,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:09,059 INFO L124 PetriNetUnfolderBase]: 1006/3964 cut-off events. [2024-11-28 04:08:09,059 INFO L125 PetriNetUnfolderBase]: For 742/906 co-relation queries the response was YES. [2024-11-28 04:08:09,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5877 conditions, 3964 events. 1006/3964 cut-off events. For 742/906 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 37619 event pairs, 683 based on Foata normal form. 6/3512 useless extension candidates. Maximal degree in co-relation 4693. Up to 1312 conditions per place. [2024-11-28 04:08:09,095 INFO L140 encePairwiseOnDemand]: 108/115 looper letters, 27 selfloop transitions, 6 changer transitions 0/126 dead transitions. [2024-11-28 04:08:09,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 126 transitions, 381 flow [2024-11-28 04:08:09,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:08:09,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:08:09,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 313 transitions. [2024-11-28 04:08:09,099 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9072463768115943 [2024-11-28 04:08:09,099 INFO L175 Difference]: Start difference. First operand has 123 places, 113 transitions, 271 flow. Second operand 3 states and 313 transitions. [2024-11-28 04:08:09,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 126 transitions, 381 flow [2024-11-28 04:08:09,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 126 transitions, 371 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:08:09,102 INFO L231 Difference]: Finished difference. Result has 122 places, 118 transitions, 307 flow [2024-11-28 04:08:09,102 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=307, PETRI_PLACES=122, PETRI_TRANSITIONS=118} [2024-11-28 04:08:09,103 INFO L279 CegarLoopForPetriNet]: 117 programPoint places, 5 predicate places. [2024-11-28 04:08:09,103 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 118 transitions, 307 flow [2024-11-28 04:08:09,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 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 04:08:09,103 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:09,103 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] [2024-11-28 04:08:09,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 04:08:09,103 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-28 04:08:09,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:09,104 INFO L85 PathProgramCache]: Analyzing trace with hash -2084480586, now seen corresponding path program 1 times [2024-11-28 04:08:09,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:09,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321365017] [2024-11-28 04:08:09,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:09,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:09,171 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 04:08:09,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:09,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321365017] [2024-11-28 04:08:09,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321365017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:09,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:09,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:08:09,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913316404] [2024-11-28 04:08:09,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:09,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:08:09,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:09,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:08:09,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:08:09,224 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 115 [2024-11-28 04:08:09,225 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 118 transitions, 307 flow. Second operand has 4 states, 4 states have (on average 95.5) internal successors, (382), 4 states have internal predecessors, (382), 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 04:08:09,225 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:09,225 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 115 [2024-11-28 04:08:09,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:09,799 INFO L124 PetriNetUnfolderBase]: 616/3187 cut-off events. [2024-11-28 04:08:09,799 INFO L125 PetriNetUnfolderBase]: For 440/444 co-relation queries the response was YES. [2024-11-28 04:08:09,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4715 conditions, 3187 events. 616/3187 cut-off events. For 440/444 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 29096 event pairs, 252 based on Foata normal form. 63/2922 useless extension candidates. Maximal degree in co-relation 3838. Up to 511 conditions per place. [2024-11-28 04:08:09,821 INFO L140 encePairwiseOnDemand]: 110/115 looper letters, 31 selfloop transitions, 4 changer transitions 0/134 dead transitions. [2024-11-28 04:08:09,821 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 134 transitions, 418 flow [2024-11-28 04:08:09,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:08:09,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 04:08:09,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 412 transitions. [2024-11-28 04:08:09,823 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8956521739130435 [2024-11-28 04:08:09,823 INFO L175 Difference]: Start difference. First operand has 122 places, 118 transitions, 307 flow. Second operand 4 states and 412 transitions. [2024-11-28 04:08:09,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 134 transitions, 418 flow [2024-11-28 04:08:09,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 134 transitions, 406 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:08:09,828 INFO L231 Difference]: Finished difference. Result has 124 places, 119 transitions, 311 flow [2024-11-28 04:08:09,829 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=295, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=311, PETRI_PLACES=124, PETRI_TRANSITIONS=119} [2024-11-28 04:08:09,830 INFO L279 CegarLoopForPetriNet]: 117 programPoint places, 7 predicate places. [2024-11-28 04:08:09,831 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 119 transitions, 311 flow [2024-11-28 04:08:09,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 95.5) internal successors, (382), 4 states have internal predecessors, (382), 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 04:08:09,831 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:09,831 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:09,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 04:08:09,832 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-28 04:08:09,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:09,832 INFO L85 PathProgramCache]: Analyzing trace with hash -2071418782, now seen corresponding path program 1 times [2024-11-28 04:08:09,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:09,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465891539] [2024-11-28 04:08:09,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:09,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:09,937 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 04:08:09,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:09,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465891539] [2024-11-28 04:08:09,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465891539] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:09,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:09,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:08:09,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874789809] [2024-11-28 04:08:09,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:09,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:08:09,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:09,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:08:09,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:08:10,008 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 115 [2024-11-28 04:08:10,009 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 119 transitions, 311 flow. Second operand has 6 states, 6 states have (on average 93.5) internal successors, (561), 6 states have internal predecessors, (561), 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 04:08:10,009 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:10,009 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 115 [2024-11-28 04:08:10,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:10,908 INFO L124 PetriNetUnfolderBase]: 950/4903 cut-off events. [2024-11-28 04:08:10,908 INFO L125 PetriNetUnfolderBase]: For 649/649 co-relation queries the response was YES. [2024-11-28 04:08:10,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7128 conditions, 4903 events. 950/4903 cut-off events. For 649/649 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 49398 event pairs, 310 based on Foata normal form. 3/4329 useless extension candidates. Maximal degree in co-relation 3734. Up to 1100 conditions per place. [2024-11-28 04:08:10,954 INFO L140 encePairwiseOnDemand]: 108/115 looper letters, 35 selfloop transitions, 7 changer transitions 0/139 dead transitions. [2024-11-28 04:08:10,954 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 139 transitions, 437 flow [2024-11-28 04:08:10,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:08:10,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 04:08:10,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 687 transitions. [2024-11-28 04:08:10,957 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.853416149068323 [2024-11-28 04:08:10,957 INFO L175 Difference]: Start difference. First operand has 124 places, 119 transitions, 311 flow. Second operand 7 states and 687 transitions. [2024-11-28 04:08:10,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 139 transitions, 437 flow [2024-11-28 04:08:10,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 139 transitions, 431 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:08:10,969 INFO L231 Difference]: Finished difference. Result has 131 places, 122 transitions, 341 flow [2024-11-28 04:08:10,969 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=305, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=341, PETRI_PLACES=131, PETRI_TRANSITIONS=122} [2024-11-28 04:08:10,970 INFO L279 CegarLoopForPetriNet]: 117 programPoint places, 14 predicate places. [2024-11-28 04:08:10,970 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 122 transitions, 341 flow [2024-11-28 04:08:10,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 93.5) internal successors, (561), 6 states have internal predecessors, (561), 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 04:08:10,971 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:10,971 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:08:10,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 04:08:10,971 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-28 04:08:10,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:10,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1750737891, now seen corresponding path program 1 times [2024-11-28 04:08:10,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:10,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977857133] [2024-11-28 04:08:10,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:10,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:11,025 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 04:08:11,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:11,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977857133] [2024-11-28 04:08:11,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977857133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:11,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:11,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:08:11,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821231549] [2024-11-28 04:08:11,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:11,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:08:11,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:11,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:08:11,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:08:11,054 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 115 [2024-11-28 04:08:11,055 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 122 transitions, 341 flow. Second operand has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 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 04:08:11,055 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:11,055 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 115 [2024-11-28 04:08:11,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:11,687 INFO L124 PetriNetUnfolderBase]: 938/4141 cut-off events. [2024-11-28 04:08:11,687 INFO L125 PetriNetUnfolderBase]: For 1378/1574 co-relation queries the response was YES. [2024-11-28 04:08:11,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6917 conditions, 4141 events. 938/4141 cut-off events. For 1378/1574 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 41402 event pairs, 546 based on Foata normal form. 7/3751 useless extension candidates. Maximal degree in co-relation 6583. Up to 1216 conditions per place. [2024-11-28 04:08:11,723 INFO L140 encePairwiseOnDemand]: 108/115 looper letters, 28 selfloop transitions, 9 changer transitions 0/136 dead transitions. [2024-11-28 04:08:11,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 136 transitions, 466 flow [2024-11-28 04:08:11,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:08:11,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:08:11,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 312 transitions. [2024-11-28 04:08:11,724 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9043478260869565 [2024-11-28 04:08:11,724 INFO L175 Difference]: Start difference. First operand has 131 places, 122 transitions, 341 flow. Second operand 3 states and 312 transitions. [2024-11-28 04:08:11,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 136 transitions, 466 flow [2024-11-28 04:08:11,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 136 transitions, 456 flow, removed 1 selfloop flow, removed 3 redundant places. [2024-11-28 04:08:11,730 INFO L231 Difference]: Finished difference. Result has 132 places, 129 transitions, 407 flow [2024-11-28 04:08:11,730 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=331, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=407, PETRI_PLACES=132, PETRI_TRANSITIONS=129} [2024-11-28 04:08:11,730 INFO L279 CegarLoopForPetriNet]: 117 programPoint places, 15 predicate places. [2024-11-28 04:08:11,730 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 129 transitions, 407 flow [2024-11-28 04:08:11,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 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 04:08:11,731 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:11,731 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 04:08:11,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 04:08:11,731 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-28 04:08:11,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:11,732 INFO L85 PathProgramCache]: Analyzing trace with hash 662312961, now seen corresponding path program 1 times [2024-11-28 04:08:11,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:11,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59545162] [2024-11-28 04:08:11,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:11,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:11,886 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 04:08:11,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:11,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59545162] [2024-11-28 04:08:11,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59545162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:11,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:11,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:08:11,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358728449] [2024-11-28 04:08:11,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:11,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:08:11,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:11,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:08:11,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:08:12,020 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 115 [2024-11-28 04:08:12,022 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 129 transitions, 407 flow. Second operand has 8 states, 8 states have (on average 93.625) internal successors, (749), 8 states have internal predecessors, (749), 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 04:08:12,022 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:12,022 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 115 [2024-11-28 04:08:12,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:12,945 INFO L124 PetriNetUnfolderBase]: 1210/6294 cut-off events. [2024-11-28 04:08:12,945 INFO L125 PetriNetUnfolderBase]: For 1575/2583 co-relation queries the response was YES. [2024-11-28 04:08:12,977 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9952 conditions, 6294 events. 1210/6294 cut-off events. For 1575/2583 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 66748 event pairs, 186 based on Foata normal form. 16/5595 useless extension candidates. Maximal degree in co-relation 5342. Up to 927 conditions per place. [2024-11-28 04:08:13,001 INFO L140 encePairwiseOnDemand]: 108/115 looper letters, 47 selfloop transitions, 10 changer transitions 0/161 dead transitions. [2024-11-28 04:08:13,001 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 161 transitions, 589 flow [2024-11-28 04:08:13,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:08:13,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-28 04:08:13,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 978 transitions. [2024-11-28 04:08:13,004 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8504347826086956 [2024-11-28 04:08:13,004 INFO L175 Difference]: Start difference. First operand has 132 places, 129 transitions, 407 flow. Second operand 10 states and 978 transitions. [2024-11-28 04:08:13,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 161 transitions, 589 flow [2024-11-28 04:08:13,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 161 transitions, 571 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:08:13,012 INFO L231 Difference]: Finished difference. Result has 142 places, 131 transitions, 429 flow [2024-11-28 04:08:13,012 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=389, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=429, PETRI_PLACES=142, PETRI_TRANSITIONS=131} [2024-11-28 04:08:13,013 INFO L279 CegarLoopForPetriNet]: 117 programPoint places, 25 predicate places. [2024-11-28 04:08:13,013 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 131 transitions, 429 flow [2024-11-28 04:08:13,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 93.625) internal successors, (749), 8 states have internal predecessors, (749), 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 04:08:13,013 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:13,014 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:08:13,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-28 04:08:13,014 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-28 04:08:13,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:13,015 INFO L85 PathProgramCache]: Analyzing trace with hash 887303415, now seen corresponding path program 1 times [2024-11-28 04:08:13,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:13,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032173003] [2024-11-28 04:08:13,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:13,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:13,116 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 04:08:13,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:13,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032173003] [2024-11-28 04:08:13,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032173003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:13,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:13,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:08:13,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766460923] [2024-11-28 04:08:13,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:13,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:08:13,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:13,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:08:13,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:08:13,130 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 115 [2024-11-28 04:08:13,130 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 131 transitions, 429 flow. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 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 04:08:13,130 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:13,131 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 115 [2024-11-28 04:08:13,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:13,284 INFO L124 PetriNetUnfolderBase]: 98/1375 cut-off events. [2024-11-28 04:08:13,284 INFO L125 PetriNetUnfolderBase]: For 315/359 co-relation queries the response was YES. [2024-11-28 04:08:13,287 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2026 conditions, 1375 events. 98/1375 cut-off events. For 315/359 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 10223 event pairs, 26 based on Foata normal form. 20/1279 useless extension candidates. Maximal degree in co-relation 919. Up to 101 conditions per place. [2024-11-28 04:08:13,289 INFO L140 encePairwiseOnDemand]: 109/115 looper letters, 12 selfloop transitions, 6 changer transitions 0/130 dead transitions. [2024-11-28 04:08:13,290 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 130 transitions, 460 flow [2024-11-28 04:08:13,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:08:13,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:08:13,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 321 transitions. [2024-11-28 04:08:13,291 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9304347826086956 [2024-11-28 04:08:13,291 INFO L175 Difference]: Start difference. First operand has 142 places, 131 transitions, 429 flow. Second operand 3 states and 321 transitions. [2024-11-28 04:08:13,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 130 transitions, 460 flow [2024-11-28 04:08:13,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 130 transitions, 434 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-28 04:08:13,296 INFO L231 Difference]: Finished difference. Result has 138 places, 125 transitions, 379 flow [2024-11-28 04:08:13,296 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=367, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=379, PETRI_PLACES=138, PETRI_TRANSITIONS=125} [2024-11-28 04:08:13,296 INFO L279 CegarLoopForPetriNet]: 117 programPoint places, 21 predicate places. [2024-11-28 04:08:13,296 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 125 transitions, 379 flow [2024-11-28 04:08:13,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 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 04:08:13,297 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:13,297 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 04:08:13,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 04:08:13,297 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-28 04:08:13,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:13,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1022185937, now seen corresponding path program 1 times [2024-11-28 04:08:13,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:13,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670490905] [2024-11-28 04:08:13,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:13,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:13,353 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-28 04:08:13,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:13,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670490905] [2024-11-28 04:08:13,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670490905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:13,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:13,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:08:13,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760992946] [2024-11-28 04:08:13,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:13,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:08:13,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:13,356 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:08:13,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:08:13,377 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 115 [2024-11-28 04:08:13,377 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 125 transitions, 379 flow. Second operand has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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 04:08:13,377 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:13,377 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 115 [2024-11-28 04:08:13,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:13,578 INFO L124 PetriNetUnfolderBase]: 177/1427 cut-off events. [2024-11-28 04:08:13,578 INFO L125 PetriNetUnfolderBase]: For 733/781 co-relation queries the response was YES. [2024-11-28 04:08:13,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2446 conditions, 1427 events. 177/1427 cut-off events. For 733/781 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 11055 event pairs, 135 based on Foata normal form. 3/1315 useless extension candidates. Maximal degree in co-relation 2146. Up to 336 conditions per place. [2024-11-28 04:08:13,585 INFO L140 encePairwiseOnDemand]: 110/115 looper letters, 23 selfloop transitions, 4 changer transitions 0/130 dead transitions. [2024-11-28 04:08:13,585 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 130 transitions, 453 flow [2024-11-28 04:08:13,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:08:13,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:08:13,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 305 transitions. [2024-11-28 04:08:13,586 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8840579710144928 [2024-11-28 04:08:13,587 INFO L175 Difference]: Start difference. First operand has 138 places, 125 transitions, 379 flow. Second operand 3 states and 305 transitions. [2024-11-28 04:08:13,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 130 transitions, 453 flow [2024-11-28 04:08:13,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 130 transitions, 447 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:08:13,590 INFO L231 Difference]: Finished difference. Result has 141 places, 128 transitions, 407 flow [2024-11-28 04:08:13,591 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=373, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=407, PETRI_PLACES=141, PETRI_TRANSITIONS=128} [2024-11-28 04:08:13,591 INFO L279 CegarLoopForPetriNet]: 117 programPoint places, 24 predicate places. [2024-11-28 04:08:13,591 INFO L471 AbstractCegarLoop]: Abstraction has has 141 places, 128 transitions, 407 flow [2024-11-28 04:08:13,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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 04:08:13,591 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:13,592 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:13,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 04:08:13,592 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-28 04:08:13,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:13,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1291442243, now seen corresponding path program 1 times [2024-11-28 04:08:13,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:13,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037569747] [2024-11-28 04:08:13,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:13,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:13,810 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-28 04:08:13,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:13,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037569747] [2024-11-28 04:08:13,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037569747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:13,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:13,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 04:08:13,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735406568] [2024-11-28 04:08:13,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:13,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:08:13,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:13,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:08:13,812 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:08:13,918 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 115 [2024-11-28 04:08:13,919 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 128 transitions, 407 flow. Second operand has 10 states, 10 states have (on average 93.0) internal successors, (930), 10 states have internal predecessors, (930), 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 04:08:13,919 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:13,919 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 115 [2024-11-28 04:08:13,919 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:14,218 INFO L124 PetriNetUnfolderBase]: 151/816 cut-off events. [2024-11-28 04:08:14,218 INFO L125 PetriNetUnfolderBase]: For 401/401 co-relation queries the response was YES. [2024-11-28 04:08:14,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1499 conditions, 816 events. 151/816 cut-off events. For 401/401 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 4795 event pairs, 0 based on Foata normal form. 20/817 useless extension candidates. Maximal degree in co-relation 1481. Up to 88 conditions per place. [2024-11-28 04:08:14,222 INFO L140 encePairwiseOnDemand]: 109/115 looper letters, 50 selfloop transitions, 11 changer transitions 0/125 dead transitions. [2024-11-28 04:08:14,223 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 125 transitions, 498 flow [2024-11-28 04:08:14,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 04:08:14,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-28 04:08:14,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1245 transitions. [2024-11-28 04:08:14,252 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8327759197324415 [2024-11-28 04:08:14,252 INFO L175 Difference]: Start difference. First operand has 141 places, 128 transitions, 407 flow. Second operand 13 states and 1245 transitions. [2024-11-28 04:08:14,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 125 transitions, 498 flow [2024-11-28 04:08:14,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 125 transitions, 460 flow, removed 8 selfloop flow, removed 11 redundant places. [2024-11-28 04:08:14,257 INFO L231 Difference]: Finished difference. Result has 112 places, 86 transitions, 246 flow [2024-11-28 04:08:14,257 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=246, PETRI_PLACES=112, PETRI_TRANSITIONS=86} [2024-11-28 04:08:14,257 INFO L279 CegarLoopForPetriNet]: 117 programPoint places, -5 predicate places. [2024-11-28 04:08:14,258 INFO L471 AbstractCegarLoop]: Abstraction has has 112 places, 86 transitions, 246 flow [2024-11-28 04:08:14,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 93.0) internal successors, (930), 10 states have internal predecessors, (930), 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 04:08:14,258 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:14,258 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:14,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 04:08:14,259 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-11-28 04:08:14,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:14,259 INFO L85 PathProgramCache]: Analyzing trace with hash -752456422, now seen corresponding path program 1 times [2024-11-28 04:08:14,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:14,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426575669] [2024-11-28 04:08:14,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:14,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:08:14,290 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:08:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:08:14,315 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:08:14,315 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:08:14,316 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-11-28 04:08:14,316 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2024-11-28 04:08:14,316 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2024-11-28 04:08:14,316 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2024-11-28 04:08:14,316 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2024-11-28 04:08:14,316 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2024-11-28 04:08:14,316 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2024-11-28 04:08:14,317 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2024-11-28 04:08:14,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-28 04:08:14,317 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:14,317 WARN L246 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-28 04:08:14,317 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-11-28 04:08:14,350 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-28 04:08:14,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 136 places, 133 transitions, 306 flow [2024-11-28 04:08:14,442 INFO L124 PetriNetUnfolderBase]: 42/595 cut-off events. [2024-11-28 04:08:14,442 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-28 04:08:14,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 646 conditions, 595 events. 42/595 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2189 event pairs, 6 based on Foata normal form. 0/512 useless extension candidates. Maximal degree in co-relation 365. Up to 32 conditions per place. [2024-11-28 04:08:14,444 INFO L82 GeneralOperation]: Start removeDead. Operand has 136 places, 133 transitions, 306 flow [2024-11-28 04:08:14,448 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 136 places, 133 transitions, 306 flow [2024-11-28 04:08:14,450 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:08:14,453 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@dc9837f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:08:14,453 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-11-28 04:08:14,456 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:08:14,456 INFO L124 PetriNetUnfolderBase]: 2/32 cut-off events. [2024-11-28 04:08:14,456 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:08:14,456 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:14,457 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] [2024-11-28 04:08:14,457 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-28 04:08:14,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:14,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1006300152, now seen corresponding path program 1 times [2024-11-28 04:08:14,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:14,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577301623] [2024-11-28 04:08:14,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:14,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:14,503 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 04:08:14,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:14,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577301623] [2024-11-28 04:08:14,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577301623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:14,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:14,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:08:14,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501418332] [2024-11-28 04:08:14,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:14,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:08:14,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:14,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:08:14,505 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:08:14,546 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 133 [2024-11-28 04:08:14,547 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 133 transitions, 306 flow. Second operand has 4 states, 4 states have (on average 109.25) internal successors, (437), 4 states have internal predecessors, (437), 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 04:08:14,547 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:14,547 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 133 [2024-11-28 04:08:14,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:15,501 INFO L124 PetriNetUnfolderBase]: 2017/8327 cut-off events. [2024-11-28 04:08:15,501 INFO L125 PetriNetUnfolderBase]: For 1213/1213 co-relation queries the response was YES. [2024-11-28 04:08:15,529 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11728 conditions, 8327 events. 2017/8327 cut-off events. For 1213/1213 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 85496 event pairs, 1191 based on Foata normal form. 252/7867 useless extension candidates. Maximal degree in co-relation 5299. Up to 2119 conditions per place. [2024-11-28 04:08:15,559 INFO L140 encePairwiseOnDemand]: 126/133 looper letters, 30 selfloop transitions, 4 changer transitions 0/142 dead transitions. [2024-11-28 04:08:15,560 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 142 transitions, 392 flow [2024-11-28 04:08:15,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:08:15,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 04:08:15,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 470 transitions. [2024-11-28 04:08:15,561 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8834586466165414 [2024-11-28 04:08:15,561 INFO L175 Difference]: Start difference. First operand has 136 places, 133 transitions, 306 flow. Second operand 4 states and 470 transitions. [2024-11-28 04:08:15,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 142 transitions, 392 flow [2024-11-28 04:08:15,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 142 transitions, 392 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:08:15,565 INFO L231 Difference]: Finished difference. Result has 140 places, 132 transitions, 318 flow [2024-11-28 04:08:15,565 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=318, PETRI_PLACES=140, PETRI_TRANSITIONS=132} [2024-11-28 04:08:15,565 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, 4 predicate places. [2024-11-28 04:08:15,565 INFO L471 AbstractCegarLoop]: Abstraction has has 140 places, 132 transitions, 318 flow [2024-11-28 04:08:15,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 109.25) internal successors, (437), 4 states have internal predecessors, (437), 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 04:08:15,566 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:15,566 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] [2024-11-28 04:08:15,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-28 04:08:15,566 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-28 04:08:15,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:15,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1308380317, now seen corresponding path program 1 times [2024-11-28 04:08:15,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:15,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97473915] [2024-11-28 04:08:15,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:15,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:15,781 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 04:08:15,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:15,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97473915] [2024-11-28 04:08:15,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97473915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:15,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:15,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:08:15,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698957575] [2024-11-28 04:08:15,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:15,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:08:15,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:15,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:08:15,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:08:15,901 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 133 [2024-11-28 04:08:15,902 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 132 transitions, 318 flow. Second operand has 6 states, 6 states have (on average 97.5) internal successors, (585), 6 states have internal predecessors, (585), 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 04:08:15,902 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:15,902 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 133 [2024-11-28 04:08:15,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:18,048 INFO L124 PetriNetUnfolderBase]: 6248/15894 cut-off events. [2024-11-28 04:08:18,048 INFO L125 PetriNetUnfolderBase]: For 1589/1589 co-relation queries the response was YES. [2024-11-28 04:08:18,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25970 conditions, 15894 events. 6248/15894 cut-off events. For 1589/1589 co-relation queries the response was YES. Maximal size of possible extension queue 629. Compared 162501 event pairs, 808 based on Foata normal form. 0/14856 useless extension candidates. Maximal degree in co-relation 9040. Up to 6781 conditions per place. [2024-11-28 04:08:18,163 INFO L140 encePairwiseOnDemand]: 127/133 looper letters, 62 selfloop transitions, 5 changer transitions 0/163 dead transitions. [2024-11-28 04:08:18,163 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 163 transitions, 514 flow [2024-11-28 04:08:18,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:08:18,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:08:18,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 643 transitions. [2024-11-28 04:08:18,167 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8057644110275689 [2024-11-28 04:08:18,167 INFO L175 Difference]: Start difference. First operand has 140 places, 132 transitions, 318 flow. Second operand 6 states and 643 transitions. [2024-11-28 04:08:18,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 163 transitions, 514 flow [2024-11-28 04:08:18,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 163 transitions, 508 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:08:18,181 INFO L231 Difference]: Finished difference. Result has 142 places, 131 transitions, 320 flow [2024-11-28 04:08:18,181 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=320, PETRI_PLACES=142, PETRI_TRANSITIONS=131} [2024-11-28 04:08:18,182 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, 6 predicate places. [2024-11-28 04:08:18,182 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 131 transitions, 320 flow [2024-11-28 04:08:18,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 97.5) internal successors, (585), 6 states have internal predecessors, (585), 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 04:08:18,183 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:18,183 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 04:08:18,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-28 04:08:18,183 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-28 04:08:18,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:18,184 INFO L85 PathProgramCache]: Analyzing trace with hash 825973367, now seen corresponding path program 1 times [2024-11-28 04:08:18,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:18,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945496986] [2024-11-28 04:08:18,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:18,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:18,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:08:18,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:18,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945496986] [2024-11-28 04:08:18,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945496986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:18,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:18,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:08:18,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955513538] [2024-11-28 04:08:18,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:18,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:08:18,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:18,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:08:18,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:08:18,244 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 133 [2024-11-28 04:08:18,245 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 131 transitions, 320 flow. Second operand has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 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 04:08:18,245 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:18,245 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 133 [2024-11-28 04:08:18,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:21,148 INFO L124 PetriNetUnfolderBase]: 7178/23603 cut-off events. [2024-11-28 04:08:21,148 INFO L125 PetriNetUnfolderBase]: For 4995/6237 co-relation queries the response was YES. [2024-11-28 04:08:21,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35693 conditions, 23603 events. 7178/23603 cut-off events. For 4995/6237 co-relation queries the response was YES. Maximal size of possible extension queue 877. Compared 286271 event pairs, 4486 based on Foata normal form. 11/20852 useless extension candidates. Maximal degree in co-relation 12989. Up to 8464 conditions per place. [2024-11-28 04:08:21,312 INFO L140 encePairwiseOnDemand]: 125/133 looper letters, 36 selfloop transitions, 7 changer transitions 0/149 dead transitions. [2024-11-28 04:08:21,312 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 149 transitions, 472 flow [2024-11-28 04:08:21,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:08:21,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:08:21,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 362 transitions. [2024-11-28 04:08:21,318 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9072681704260651 [2024-11-28 04:08:21,318 INFO L175 Difference]: Start difference. First operand has 142 places, 131 transitions, 320 flow. Second operand 3 states and 362 transitions. [2024-11-28 04:08:21,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 149 transitions, 472 flow [2024-11-28 04:08:21,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 149 transitions, 462 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:08:21,322 INFO L231 Difference]: Finished difference. Result has 141 places, 137 transitions, 364 flow [2024-11-28 04:08:21,322 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=364, PETRI_PLACES=141, PETRI_TRANSITIONS=137} [2024-11-28 04:08:21,323 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, 5 predicate places. [2024-11-28 04:08:21,323 INFO L471 AbstractCegarLoop]: Abstraction has has 141 places, 137 transitions, 364 flow [2024-11-28 04:08:21,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 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 04:08:21,323 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:21,323 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] [2024-11-28 04:08:21,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-28 04:08:21,323 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-28 04:08:21,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:21,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1403098037, now seen corresponding path program 1 times [2024-11-28 04:08:21,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:21,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710744543] [2024-11-28 04:08:21,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:21,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:21,561 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 04:08:21,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:21,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710744543] [2024-11-28 04:08:21,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710744543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:21,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:21,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:08:21,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878230342] [2024-11-28 04:08:21,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:21,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:08:21,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:21,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:08:21,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:08:21,603 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 133 [2024-11-28 04:08:21,603 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 137 transitions, 364 flow. Second operand has 4 states, 4 states have (on average 109.5) internal successors, (438), 4 states have internal predecessors, (438), 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 04:08:21,603 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:21,604 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 133 [2024-11-28 04:08:21,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:24,270 INFO L124 PetriNetUnfolderBase]: 5437/19811 cut-off events. [2024-11-28 04:08:24,270 INFO L125 PetriNetUnfolderBase]: For 2734/2800 co-relation queries the response was YES. [2024-11-28 04:08:24,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30233 conditions, 19811 events. 5437/19811 cut-off events. For 2734/2800 co-relation queries the response was YES. Maximal size of possible extension queue 720. Compared 241450 event pairs, 2945 based on Foata normal form. 259/17673 useless extension candidates. Maximal degree in co-relation 24434. Up to 3835 conditions per place. [2024-11-28 04:08:24,371 INFO L140 encePairwiseOnDemand]: 128/133 looper letters, 40 selfloop transitions, 4 changer transitions 0/158 dead transitions. [2024-11-28 04:08:24,372 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 158 transitions, 506 flow [2024-11-28 04:08:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:08:24,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 04:08:24,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 477 transitions. [2024-11-28 04:08:24,373 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8966165413533834 [2024-11-28 04:08:24,373 INFO L175 Difference]: Start difference. First operand has 141 places, 137 transitions, 364 flow. Second operand 4 states and 477 transitions. [2024-11-28 04:08:24,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 158 transitions, 506 flow [2024-11-28 04:08:24,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 158 transitions, 492 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:08:24,388 INFO L231 Difference]: Finished difference. Result has 143 places, 138 transitions, 366 flow [2024-11-28 04:08:24,388 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=366, PETRI_PLACES=143, PETRI_TRANSITIONS=138} [2024-11-28 04:08:24,389 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, 7 predicate places. [2024-11-28 04:08:24,389 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 138 transitions, 366 flow [2024-11-28 04:08:24,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 109.5) internal successors, (438), 4 states have internal predecessors, (438), 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 04:08:24,389 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:24,390 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:24,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-28 04:08:24,390 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-28 04:08:24,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:24,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1019210350, now seen corresponding path program 1 times [2024-11-28 04:08:24,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:24,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041054898] [2024-11-28 04:08:24,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:24,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:24,474 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 04:08:24,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:24,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041054898] [2024-11-28 04:08:24,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041054898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:24,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:24,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:08:24,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855517787] [2024-11-28 04:08:24,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:24,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:08:24,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:24,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:08:24,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:08:24,549 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 133 [2024-11-28 04:08:24,550 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 138 transitions, 366 flow. Second operand has 6 states, 6 states have (on average 107.5) internal successors, (645), 6 states have internal predecessors, (645), 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 04:08:24,550 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:24,550 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 133 [2024-11-28 04:08:24,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:27,676 INFO L124 PetriNetUnfolderBase]: 6308/24158 cut-off events. [2024-11-28 04:08:27,676 INFO L125 PetriNetUnfolderBase]: For 3185/3185 co-relation queries the response was YES. [2024-11-28 04:08:27,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36542 conditions, 24158 events. 6308/24158 cut-off events. For 3185/3185 co-relation queries the response was YES. Maximal size of possible extension queue 887. Compared 309684 event pairs, 2802 based on Foata normal form. 3/20930 useless extension candidates. Maximal degree in co-relation 20572. Up to 5820 conditions per place. [2024-11-28 04:08:27,838 INFO L140 encePairwiseOnDemand]: 126/133 looper letters, 41 selfloop transitions, 7 changer transitions 0/160 dead transitions. [2024-11-28 04:08:27,839 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 160 transitions, 508 flow [2024-11-28 04:08:27,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:08:27,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 04:08:27,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 791 transitions. [2024-11-28 04:08:27,841 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.849624060150376 [2024-11-28 04:08:27,841 INFO L175 Difference]: Start difference. First operand has 143 places, 138 transitions, 366 flow. Second operand 7 states and 791 transitions. [2024-11-28 04:08:27,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 160 transitions, 508 flow [2024-11-28 04:08:27,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 160 transitions, 502 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:08:27,854 INFO L231 Difference]: Finished difference. Result has 150 places, 141 transitions, 396 flow [2024-11-28 04:08:27,854 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=396, PETRI_PLACES=150, PETRI_TRANSITIONS=141} [2024-11-28 04:08:27,855 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, 14 predicate places. [2024-11-28 04:08:27,855 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 141 transitions, 396 flow [2024-11-28 04:08:27,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 107.5) internal successors, (645), 6 states have internal predecessors, (645), 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 04:08:27,855 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:27,856 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:08:27,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-28 04:08:27,856 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-28 04:08:27,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:27,857 INFO L85 PathProgramCache]: Analyzing trace with hash -89284045, now seen corresponding path program 1 times [2024-11-28 04:08:27,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:27,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806821343] [2024-11-28 04:08:27,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:27,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:27,901 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 04:08:27,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:27,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806821343] [2024-11-28 04:08:27,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806821343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:27,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:27,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:08:27,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012206976] [2024-11-28 04:08:27,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:27,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:08:27,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:27,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:08:27,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:08:27,928 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 133 [2024-11-28 04:08:27,929 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 141 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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 04:08:27,929 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:27,929 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 133 [2024-11-28 04:08:27,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:31,849 INFO L124 PetriNetUnfolderBase]: 8620/31172 cut-off events. [2024-11-28 04:08:31,850 INFO L125 PetriNetUnfolderBase]: For 11288/13509 co-relation queries the response was YES. [2024-11-28 04:08:31,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52388 conditions, 31172 events. 8620/31172 cut-off events. For 11288/13509 co-relation queries the response was YES. Maximal size of possible extension queue 1070. Compared 411093 event pairs, 4986 based on Foata normal form. 43/27821 useless extension candidates. Maximal degree in co-relation 51105. Up to 9839 conditions per place. [2024-11-28 04:08:32,045 INFO L140 encePairwiseOnDemand]: 125/133 looper letters, 38 selfloop transitions, 11 changer transitions 0/161 dead transitions. [2024-11-28 04:08:32,045 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 161 transitions, 573 flow [2024-11-28 04:08:32,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:08:32,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:08:32,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 361 transitions. [2024-11-28 04:08:32,046 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9047619047619048 [2024-11-28 04:08:32,046 INFO L175 Difference]: Start difference. First operand has 150 places, 141 transitions, 396 flow. Second operand 3 states and 361 transitions. [2024-11-28 04:08:32,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 161 transitions, 573 flow [2024-11-28 04:08:32,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 161 transitions, 563 flow, removed 1 selfloop flow, removed 3 redundant places. [2024-11-28 04:08:32,098 INFO L231 Difference]: Finished difference. Result has 151 places, 150 transitions, 482 flow [2024-11-28 04:08:32,098 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=482, PETRI_PLACES=151, PETRI_TRANSITIONS=150} [2024-11-28 04:08:32,098 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, 15 predicate places. [2024-11-28 04:08:32,098 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 150 transitions, 482 flow [2024-11-28 04:08:32,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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 04:08:32,099 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:32,099 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 04:08:32,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-28 04:08:32,099 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-28 04:08:32,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:32,100 INFO L85 PathProgramCache]: Analyzing trace with hash 86314086, now seen corresponding path program 1 times [2024-11-28 04:08:32,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:32,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509037018] [2024-11-28 04:08:32,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:32,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:32,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:08:32,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:32,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509037018] [2024-11-28 04:08:32,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509037018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:32,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:32,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:08:32,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572593363] [2024-11-28 04:08:32,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:32,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:08:32,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:32,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:08:32,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:08:32,337 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 133 [2024-11-28 04:08:32,337 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 150 transitions, 482 flow. Second operand has 8 states, 8 states have (on average 107.625) internal successors, (861), 8 states have internal predecessors, (861), 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 04:08:32,338 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:32,338 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 133 [2024-11-28 04:08:32,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:37,035 INFO L124 PetriNetUnfolderBase]: 9234/37130 cut-off events. [2024-11-28 04:08:37,036 INFO L125 PetriNetUnfolderBase]: For 10531/21435 co-relation queries the response was YES. [2024-11-28 04:08:37,397 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60596 conditions, 37130 events. 9234/37130 cut-off events. For 10531/21435 co-relation queries the response was YES. Maximal size of possible extension queue 1142. Compared 514658 event pairs, 2450 based on Foata normal form. 33/32098 useless extension candidates. Maximal degree in co-relation 28374. Up to 8114 conditions per place. [2024-11-28 04:08:37,489 INFO L140 encePairwiseOnDemand]: 126/133 looper letters, 55 selfloop transitions, 10 changer transitions 0/186 dead transitions. [2024-11-28 04:08:37,489 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 186 transitions, 694 flow [2024-11-28 04:08:37,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:08:37,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-28 04:08:37,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1126 transitions. [2024-11-28 04:08:37,491 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8466165413533835 [2024-11-28 04:08:37,491 INFO L175 Difference]: Start difference. First operand has 151 places, 150 transitions, 482 flow. Second operand 10 states and 1126 transitions. [2024-11-28 04:08:37,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 186 transitions, 694 flow [2024-11-28 04:08:37,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 186 transitions, 672 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:08:37,546 INFO L231 Difference]: Finished difference. Result has 161 places, 153 transitions, 508 flow [2024-11-28 04:08:37,546 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=460, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=508, PETRI_PLACES=161, PETRI_TRANSITIONS=153} [2024-11-28 04:08:37,547 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, 25 predicate places. [2024-11-28 04:08:37,547 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 153 transitions, 508 flow [2024-11-28 04:08:37,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 107.625) internal successors, (861), 8 states have internal predecessors, (861), 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 04:08:37,548 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:37,550 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:08:37,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-28 04:08:37,550 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-28 04:08:37,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:37,550 INFO L85 PathProgramCache]: Analyzing trace with hash 980985255, now seen corresponding path program 1 times [2024-11-28 04:08:37,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:37,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387725304] [2024-11-28 04:08:37,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:37,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:37,617 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 04:08:37,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:37,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387725304] [2024-11-28 04:08:37,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387725304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:37,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:37,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:08:37,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262417965] [2024-11-28 04:08:37,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:37,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:08:37,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:37,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:08:37,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:08:37,630 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 133 [2024-11-28 04:08:37,630 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 153 transitions, 508 flow. Second operand has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 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 04:08:37,630 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:37,631 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 133 [2024-11-28 04:08:37,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:38,204 INFO L124 PetriNetUnfolderBase]: 531/5139 cut-off events. [2024-11-28 04:08:38,204 INFO L125 PetriNetUnfolderBase]: For 1397/1576 co-relation queries the response was YES. [2024-11-28 04:08:38,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7676 conditions, 5139 events. 531/5139 cut-off events. For 1397/1576 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 55970 event pairs, 193 based on Foata normal form. 140/4810 useless extension candidates. Maximal degree in co-relation 3626. Up to 422 conditions per place. [2024-11-28 04:08:38,227 INFO L140 encePairwiseOnDemand]: 125/133 looper letters, 16 selfloop transitions, 8 changer transitions 0/151 dead transitions. [2024-11-28 04:08:38,227 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 151 transitions, 549 flow [2024-11-28 04:08:38,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:08:38,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:08:38,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 370 transitions. [2024-11-28 04:08:38,228 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9273182957393483 [2024-11-28 04:08:38,228 INFO L175 Difference]: Start difference. First operand has 161 places, 153 transitions, 508 flow. Second operand 3 states and 370 transitions. [2024-11-28 04:08:38,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 151 transitions, 549 flow [2024-11-28 04:08:38,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 151 transitions, 523 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-28 04:08:38,233 INFO L231 Difference]: Finished difference. Result has 157 places, 144 transitions, 444 flow [2024-11-28 04:08:38,233 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=428, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=444, PETRI_PLACES=157, PETRI_TRANSITIONS=144} [2024-11-28 04:08:38,233 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, 21 predicate places. [2024-11-28 04:08:38,233 INFO L471 AbstractCegarLoop]: Abstraction has has 157 places, 144 transitions, 444 flow [2024-11-28 04:08:38,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 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 04:08:38,234 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:38,234 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 04:08:38,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-28 04:08:38,234 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-28 04:08:38,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:38,234 INFO L85 PathProgramCache]: Analyzing trace with hash -618880762, now seen corresponding path program 1 times [2024-11-28 04:08:38,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:38,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202029242] [2024-11-28 04:08:38,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:38,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:38,271 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 04:08:38,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:38,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202029242] [2024-11-28 04:08:38,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202029242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:38,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:38,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:08:38,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978197688] [2024-11-28 04:08:38,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:38,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:08:38,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:38,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:08:38,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:08:38,296 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 133 [2024-11-28 04:08:38,296 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 144 transitions, 444 flow. Second operand has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 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 04:08:38,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:38,297 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 133 [2024-11-28 04:08:38,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:39,087 INFO L124 PetriNetUnfolderBase]: 934/6027 cut-off events. [2024-11-28 04:08:39,087 INFO L125 PetriNetUnfolderBase]: For 3693/3795 co-relation queries the response was YES. [2024-11-28 04:08:39,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10594 conditions, 6027 events. 934/6027 cut-off events. For 3693/3795 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 68431 event pairs, 666 based on Foata normal form. 4/5496 useless extension candidates. Maximal degree in co-relation 3854. Up to 1548 conditions per place. [2024-11-28 04:08:39,112 INFO L140 encePairwiseOnDemand]: 128/133 looper letters, 30 selfloop transitions, 4 changer transitions 0/151 dead transitions. [2024-11-28 04:08:39,112 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 151 transitions, 548 flow [2024-11-28 04:08:39,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:08:39,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:08:39,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 351 transitions. [2024-11-28 04:08:39,113 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8796992481203008 [2024-11-28 04:08:39,113 INFO L175 Difference]: Start difference. First operand has 157 places, 144 transitions, 444 flow. Second operand 3 states and 351 transitions. [2024-11-28 04:08:39,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 151 transitions, 548 flow [2024-11-28 04:08:39,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 151 transitions, 540 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:08:39,116 INFO L231 Difference]: Finished difference. Result has 160 places, 147 transitions, 470 flow [2024-11-28 04:08:39,116 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=436, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=470, PETRI_PLACES=160, PETRI_TRANSITIONS=147} [2024-11-28 04:08:39,116 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, 24 predicate places. [2024-11-28 04:08:39,116 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 147 transitions, 470 flow [2024-11-28 04:08:39,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 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 04:08:39,117 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:39,117 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:39,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-28 04:08:39,117 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-28 04:08:39,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:39,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1870399981, now seen corresponding path program 1 times [2024-11-28 04:08:39,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:39,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783976670] [2024-11-28 04:08:39,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:39,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:39,284 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 04:08:39,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:39,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783976670] [2024-11-28 04:08:39,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783976670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:39,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:39,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 04:08:39,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535803134] [2024-11-28 04:08:39,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:39,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:08:39,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:39,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:08:39,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:08:39,423 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 133 [2024-11-28 04:08:39,424 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 147 transitions, 470 flow. Second operand has 10 states, 10 states have (on average 107.0) internal successors, (1070), 10 states have internal predecessors, (1070), 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 04:08:39,424 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:39,424 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 133 [2024-11-28 04:08:39,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:40,926 INFO L124 PetriNetUnfolderBase]: 1216/8418 cut-off events. [2024-11-28 04:08:40,926 INFO L125 PetriNetUnfolderBase]: For 3392/3658 co-relation queries the response was YES. [2024-11-28 04:08:40,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13831 conditions, 8418 events. 1216/8418 cut-off events. For 3392/3658 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 91293 event pairs, 207 based on Foata normal form. 20/7681 useless extension candidates. Maximal degree in co-relation 5591. Up to 893 conditions per place. [2024-11-28 04:08:40,955 INFO L140 encePairwiseOnDemand]: 125/133 looper letters, 76 selfloop transitions, 14 changer transitions 1/205 dead transitions. [2024-11-28 04:08:40,955 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 205 transitions, 828 flow [2024-11-28 04:08:40,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 04:08:40,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-28 04:08:40,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1457 transitions. [2024-11-28 04:08:40,958 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8426836321573163 [2024-11-28 04:08:40,958 INFO L175 Difference]: Start difference. First operand has 160 places, 147 transitions, 470 flow. Second operand 13 states and 1457 transitions. [2024-11-28 04:08:40,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 205 transitions, 828 flow [2024-11-28 04:08:40,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 205 transitions, 816 flow, removed 2 selfloop flow, removed 2 redundant places. [2024-11-28 04:08:40,969 INFO L231 Difference]: Finished difference. Result has 174 places, 150 transitions, 520 flow [2024-11-28 04:08:40,969 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=458, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=520, PETRI_PLACES=174, PETRI_TRANSITIONS=150} [2024-11-28 04:08:40,969 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, 38 predicate places. [2024-11-28 04:08:40,970 INFO L471 AbstractCegarLoop]: Abstraction has has 174 places, 150 transitions, 520 flow [2024-11-28 04:08:40,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 107.0) internal successors, (1070), 10 states have internal predecessors, (1070), 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 04:08:40,970 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:40,970 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:40,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-28 04:08:40,971 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-28 04:08:40,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:40,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1990299710, now seen corresponding path program 1 times [2024-11-28 04:08:40,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:40,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320143604] [2024-11-28 04:08:40,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:40,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:41,031 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 04:08:41,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:41,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320143604] [2024-11-28 04:08:41,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320143604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:41,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:41,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:08:41,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568215183] [2024-11-28 04:08:41,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:41,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:08:41,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:41,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:08:41,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:08:41,064 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 133 [2024-11-28 04:08:41,064 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 150 transitions, 520 flow. Second operand has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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 04:08:41,065 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:41,065 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 133 [2024-11-28 04:08:41,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:42,080 INFO L124 PetriNetUnfolderBase]: 883/5710 cut-off events. [2024-11-28 04:08:42,080 INFO L125 PetriNetUnfolderBase]: For 4093/4189 co-relation queries the response was YES. [2024-11-28 04:08:42,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10588 conditions, 5710 events. 883/5710 cut-off events. For 4093/4189 co-relation queries the response was YES. Maximal size of possible extension queue 265. Compared 62739 event pairs, 677 based on Foata normal form. 4/5205 useless extension candidates. Maximal degree in co-relation 9769. Up to 1476 conditions per place. [2024-11-28 04:08:42,113 INFO L140 encePairwiseOnDemand]: 128/133 looper letters, 30 selfloop transitions, 4 changer transitions 0/156 dead transitions. [2024-11-28 04:08:42,113 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 156 transitions, 615 flow [2024-11-28 04:08:42,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:08:42,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:08:42,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 350 transitions. [2024-11-28 04:08:42,114 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8771929824561403 [2024-11-28 04:08:42,114 INFO L175 Difference]: Start difference. First operand has 174 places, 150 transitions, 520 flow. Second operand 3 states and 350 transitions. [2024-11-28 04:08:42,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 156 transitions, 615 flow [2024-11-28 04:08:42,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 156 transitions, 585 flow, removed 7 selfloop flow, removed 8 redundant places. [2024-11-28 04:08:42,126 INFO L231 Difference]: Finished difference. Result has 170 places, 153 transitions, 526 flow [2024-11-28 04:08:42,126 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=526, PETRI_PLACES=170, PETRI_TRANSITIONS=153} [2024-11-28 04:08:42,127 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, 34 predicate places. [2024-11-28 04:08:42,127 INFO L471 AbstractCegarLoop]: Abstraction has has 170 places, 153 transitions, 526 flow [2024-11-28 04:08:42,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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 04:08:42,127 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:42,127 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 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 04:08:42,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-28 04:08:42,128 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-28 04:08:42,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:42,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1525930503, now seen corresponding path program 1 times [2024-11-28 04:08:42,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:42,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573522141] [2024-11-28 04:08:42,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:42,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:42,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:42,605 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 04:08:42,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:42,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573522141] [2024-11-28 04:08:42,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573522141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:42,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:42,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:08:42,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092303045] [2024-11-28 04:08:42,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:42,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:08:42,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:42,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:08:42,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:08:42,728 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 133 [2024-11-28 04:08:42,729 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 153 transitions, 526 flow. Second operand has 6 states, 6 states have (on average 100.66666666666667) internal successors, (604), 6 states have internal predecessors, (604), 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 04:08:42,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:42,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 133 [2024-11-28 04:08:42,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:44,253 INFO L124 PetriNetUnfolderBase]: 2726/11410 cut-off events. [2024-11-28 04:08:44,254 INFO L125 PetriNetUnfolderBase]: For 4357/4642 co-relation queries the response was YES. [2024-11-28 04:08:44,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21748 conditions, 11410 events. 2726/11410 cut-off events. For 4357/4642 co-relation queries the response was YES. Maximal size of possible extension queue 354. Compared 124665 event pairs, 1342 based on Foata normal form. 0/10706 useless extension candidates. Maximal degree in co-relation 19455. Up to 2509 conditions per place. [2024-11-28 04:08:44,336 INFO L140 encePairwiseOnDemand]: 127/133 looper letters, 59 selfloop transitions, 6 changer transitions 0/184 dead transitions. [2024-11-28 04:08:44,336 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 184 transitions, 750 flow [2024-11-28 04:08:44,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:08:44,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:08:44,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 653 transitions. [2024-11-28 04:08:44,338 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.818295739348371 [2024-11-28 04:08:44,338 INFO L175 Difference]: Start difference. First operand has 170 places, 153 transitions, 526 flow. Second operand 6 states and 653 transitions. [2024-11-28 04:08:44,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 184 transitions, 750 flow [2024-11-28 04:08:44,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 184 transitions, 736 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-11-28 04:08:44,370 INFO L231 Difference]: Finished difference. Result has 172 places, 152 transitions, 522 flow [2024-11-28 04:08:44,371 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=510, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=522, PETRI_PLACES=172, PETRI_TRANSITIONS=152} [2024-11-28 04:08:44,371 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, 36 predicate places. [2024-11-28 04:08:44,371 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 152 transitions, 522 flow [2024-11-28 04:08:44,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 100.66666666666667) internal successors, (604), 6 states have internal predecessors, (604), 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 04:08:44,371 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:44,372 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:44,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-28 04:08:44,372 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-28 04:08:44,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:44,373 INFO L85 PathProgramCache]: Analyzing trace with hash -2073254805, now seen corresponding path program 1 times [2024-11-28 04:08:44,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:44,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778629467] [2024-11-28 04:08:44,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:44,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:44,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:44,652 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 04:08:44,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:44,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778629467] [2024-11-28 04:08:44,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778629467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:44,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:44,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 04:08:44,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740549171] [2024-11-28 04:08:44,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:44,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 04:08:44,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:44,654 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:08:44,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:08:44,844 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 133 [2024-11-28 04:08:44,845 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 152 transitions, 522 flow. Second operand has 12 states, 12 states have (on average 107.0) internal successors, (1284), 12 states have internal predecessors, (1284), 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 04:08:44,845 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:44,846 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 133 [2024-11-28 04:08:44,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:46,502 INFO L124 PetriNetUnfolderBase]: 1190/7818 cut-off events. [2024-11-28 04:08:46,502 INFO L125 PetriNetUnfolderBase]: For 4028/4256 co-relation queries the response was YES. [2024-11-28 04:08:46,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14600 conditions, 7818 events. 1190/7818 cut-off events. For 4028/4256 co-relation queries the response was YES. Maximal size of possible extension queue 247. Compared 84080 event pairs, 165 based on Foata normal form. 48/7298 useless extension candidates. Maximal degree in co-relation 5054. Up to 557 conditions per place. [2024-11-28 04:08:46,545 INFO L140 encePairwiseOnDemand]: 125/133 looper letters, 90 selfloop transitions, 16 changer transitions 8/229 dead transitions. [2024-11-28 04:08:46,545 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 229 transitions, 978 flow [2024-11-28 04:08:46,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 04:08:46,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-28 04:08:46,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1795 transitions. [2024-11-28 04:08:46,548 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8435150375939849 [2024-11-28 04:08:46,548 INFO L175 Difference]: Start difference. First operand has 172 places, 152 transitions, 522 flow. Second operand 16 states and 1795 transitions. [2024-11-28 04:08:46,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 229 transitions, 978 flow [2024-11-28 04:08:46,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 229 transitions, 958 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-28 04:08:46,560 INFO L231 Difference]: Finished difference. Result has 178 places, 150 transitions, 522 flow [2024-11-28 04:08:46,560 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=522, PETRI_PLACES=178, PETRI_TRANSITIONS=150} [2024-11-28 04:08:46,561 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, 42 predicate places. [2024-11-28 04:08:46,561 INFO L471 AbstractCegarLoop]: Abstraction has has 178 places, 150 transitions, 522 flow [2024-11-28 04:08:46,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 107.0) internal successors, (1284), 12 states have internal predecessors, (1284), 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 04:08:46,561 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:46,562 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:08:46,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-28 04:08:46,562 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-28 04:08:46,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:46,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1515218150, now seen corresponding path program 1 times [2024-11-28 04:08:46,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:46,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726863176] [2024-11-28 04:08:46,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:46,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:46,630 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 04:08:46,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:46,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726863176] [2024-11-28 04:08:46,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726863176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:46,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:46,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:08:46,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999383984] [2024-11-28 04:08:46,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:46,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:08:46,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:46,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:08:46,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:08:46,653 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 133 [2024-11-28 04:08:46,653 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 150 transitions, 522 flow. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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 04:08:46,653 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:46,654 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 133 [2024-11-28 04:08:46,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:47,678 INFO L124 PetriNetUnfolderBase]: 1353/8934 cut-off events. [2024-11-28 04:08:47,678 INFO L125 PetriNetUnfolderBase]: For 5201/5285 co-relation queries the response was YES. [2024-11-28 04:08:47,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16800 conditions, 8934 events. 1353/8934 cut-off events. For 5201/5285 co-relation queries the response was YES. Maximal size of possible extension queue 354. Compared 106401 event pairs, 605 based on Foata normal form. 0/8374 useless extension candidates. Maximal degree in co-relation 16013. Up to 1591 conditions per place. [2024-11-28 04:08:47,721 INFO L140 encePairwiseOnDemand]: 126/133 looper letters, 30 selfloop transitions, 9 changer transitions 1/163 dead transitions. [2024-11-28 04:08:47,721 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 163 transitions, 656 flow [2024-11-28 04:08:47,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:08:47,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:08:47,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 361 transitions. [2024-11-28 04:08:47,722 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9047619047619048 [2024-11-28 04:08:47,722 INFO L175 Difference]: Start difference. First operand has 178 places, 150 transitions, 522 flow. Second operand 3 states and 361 transitions. [2024-11-28 04:08:47,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 163 transitions, 656 flow [2024-11-28 04:08:47,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 163 transitions, 588 flow, removed 6 selfloop flow, removed 21 redundant places. [2024-11-28 04:08:47,770 INFO L231 Difference]: Finished difference. Result has 161 places, 154 transitions, 530 flow [2024-11-28 04:08:47,770 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=530, PETRI_PLACES=161, PETRI_TRANSITIONS=154} [2024-11-28 04:08:47,771 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, 25 predicate places. [2024-11-28 04:08:47,771 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 154 transitions, 530 flow [2024-11-28 04:08:47,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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 04:08:47,771 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:47,771 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:08:47,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-28 04:08:47,771 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-28 04:08:47,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:47,772 INFO L85 PathProgramCache]: Analyzing trace with hash 866412403, now seen corresponding path program 1 times [2024-11-28 04:08:47,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:47,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947263914] [2024-11-28 04:08:47,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:47,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:47,914 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 04:08:47,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:47,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947263914] [2024-11-28 04:08:47,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947263914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:47,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:47,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:08:47,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615091351] [2024-11-28 04:08:47,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:47,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:08:47,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:47,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:08:47,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:08:47,985 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 133 [2024-11-28 04:08:47,986 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 154 transitions, 530 flow. Second operand has 6 states, 6 states have (on average 108.66666666666667) internal successors, (652), 6 states have internal predecessors, (652), 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 04:08:47,986 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:47,986 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 133 [2024-11-28 04:08:47,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:48,711 INFO L124 PetriNetUnfolderBase]: 1110/5875 cut-off events. [2024-11-28 04:08:48,711 INFO L125 PetriNetUnfolderBase]: For 3503/3699 co-relation queries the response was YES. [2024-11-28 04:08:48,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10999 conditions, 5875 events. 1110/5875 cut-off events. For 3503/3699 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 59267 event pairs, 310 based on Foata normal form. 80/5835 useless extension candidates. Maximal degree in co-relation 10335. Up to 748 conditions per place. [2024-11-28 04:08:48,733 INFO L140 encePairwiseOnDemand]: 126/133 looper letters, 63 selfloop transitions, 7 changer transitions 8/206 dead transitions. [2024-11-28 04:08:48,733 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 206 transitions, 852 flow [2024-11-28 04:08:48,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:08:48,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 04:08:48,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 821 transitions. [2024-11-28 04:08:48,734 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8818474758324383 [2024-11-28 04:08:48,734 INFO L175 Difference]: Start difference. First operand has 161 places, 154 transitions, 530 flow. Second operand 7 states and 821 transitions. [2024-11-28 04:08:48,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 206 transitions, 852 flow [2024-11-28 04:08:48,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 206 transitions, 834 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:08:48,742 INFO L231 Difference]: Finished difference. Result has 168 places, 157 transitions, 548 flow [2024-11-28 04:08:48,742 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=548, PETRI_PLACES=168, PETRI_TRANSITIONS=157} [2024-11-28 04:08:48,742 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, 32 predicate places. [2024-11-28 04:08:48,742 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 157 transitions, 548 flow [2024-11-28 04:08:48,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 108.66666666666667) internal successors, (652), 6 states have internal predecessors, (652), 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 04:08:48,743 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:48,743 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:08:48,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-28 04:08:48,743 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-28 04:08:48,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:48,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1291207740, now seen corresponding path program 1 times [2024-11-28 04:08:48,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:48,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061127217] [2024-11-28 04:08:48,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:48,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:49,002 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-28 04:08:49,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:49,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061127217] [2024-11-28 04:08:49,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061127217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:49,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:49,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:08:49,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946581497] [2024-11-28 04:08:49,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:49,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:08:49,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:49,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:08:49,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:08:49,111 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 133 [2024-11-28 04:08:49,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 157 transitions, 548 flow. Second operand has 8 states, 8 states have (on average 108.75) internal successors, (870), 8 states have internal predecessors, (870), 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 04:08:49,112 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:49,112 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 133 [2024-11-28 04:08:49,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:50,078 INFO L124 PetriNetUnfolderBase]: 834/3907 cut-off events. [2024-11-28 04:08:50,078 INFO L125 PetriNetUnfolderBase]: For 2146/2174 co-relation queries the response was YES. [2024-11-28 04:08:50,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7629 conditions, 3907 events. 834/3907 cut-off events. For 2146/2174 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 33515 event pairs, 83 based on Foata normal form. 48/3919 useless extension candidates. Maximal degree in co-relation 6961. Up to 410 conditions per place. [2024-11-28 04:08:50,098 INFO L140 encePairwiseOnDemand]: 126/133 looper letters, 85 selfloop transitions, 10 changer transitions 22/237 dead transitions. [2024-11-28 04:08:50,098 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 237 transitions, 1030 flow [2024-11-28 04:08:50,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:08:50,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-28 04:08:50,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1170 transitions. [2024-11-28 04:08:50,100 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8796992481203008 [2024-11-28 04:08:50,100 INFO L175 Difference]: Start difference. First operand has 168 places, 157 transitions, 548 flow. Second operand 10 states and 1170 transitions. [2024-11-28 04:08:50,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 237 transitions, 1030 flow [2024-11-28 04:08:50,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 237 transitions, 1020 flow, removed 1 selfloop flow, removed 3 redundant places. [2024-11-28 04:08:50,113 INFO L231 Difference]: Finished difference. Result has 177 places, 151 transitions, 546 flow [2024-11-28 04:08:50,113 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=538, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=546, PETRI_PLACES=177, PETRI_TRANSITIONS=151} [2024-11-28 04:08:50,114 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, 41 predicate places. [2024-11-28 04:08:50,114 INFO L471 AbstractCegarLoop]: Abstraction has has 177 places, 151 transitions, 546 flow [2024-11-28 04:08:50,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 108.75) internal successors, (870), 8 states have internal predecessors, (870), 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 04:08:50,114 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:08:50,115 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:50,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-28 04:08:50,115 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-28 04:08:50,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:08:50,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1077567942, now seen corresponding path program 1 times [2024-11-28 04:08:50,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:08:50,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562783267] [2024-11-28 04:08:50,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:08:50,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:08:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:08:50,459 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-28 04:08:50,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:08:50,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562783267] [2024-11-28 04:08:50,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562783267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:08:50,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:08:50,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 04:08:50,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942143044] [2024-11-28 04:08:50,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:08:50,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:08:50,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:08:50,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:08:50,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:08:50,564 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 133 [2024-11-28 04:08:50,566 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 151 transitions, 546 flow. Second operand has 10 states, 10 states have (on average 108.1) internal successors, (1081), 10 states have internal predecessors, (1081), 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 04:08:50,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:08:50,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 133 [2024-11-28 04:08:50,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:08:51,516 INFO L124 PetriNetUnfolderBase]: 1014/3788 cut-off events. [2024-11-28 04:08:51,516 INFO L125 PetriNetUnfolderBase]: For 2345/2345 co-relation queries the response was YES. [2024-11-28 04:08:51,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8064 conditions, 3788 events. 1014/3788 cut-off events. For 2345/2345 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 31943 event pairs, 71 based on Foata normal form. 12/3776 useless extension candidates. Maximal degree in co-relation 7393. Up to 496 conditions per place. [2024-11-28 04:08:51,530 INFO L140 encePairwiseOnDemand]: 127/133 looper letters, 0 selfloop transitions, 0 changer transitions 224/224 dead transitions. [2024-11-28 04:08:51,530 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 224 transitions, 981 flow [2024-11-28 04:08:51,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 04:08:51,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-28 04:08:51,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1491 transitions. [2024-11-28 04:08:51,533 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8623481781376519 [2024-11-28 04:08:51,533 INFO L175 Difference]: Start difference. First operand has 177 places, 151 transitions, 546 flow. Second operand 13 states and 1491 transitions. [2024-11-28 04:08:51,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 224 transitions, 981 flow [2024-11-28 04:08:51,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 224 transitions, 911 flow, removed 18 selfloop flow, removed 18 redundant places. [2024-11-28 04:08:51,542 INFO L231 Difference]: Finished difference. Result has 155 places, 0 transitions, 0 flow [2024-11-28 04:08:51,542 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=355, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=0, PETRI_PLACES=155, PETRI_TRANSITIONS=0} [2024-11-28 04:08:51,543 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, 19 predicate places. [2024-11-28 04:08:51,543 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 0 transitions, 0 flow [2024-11-28 04:08:51,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 108.1) internal successors, (1081), 10 states have internal predecessors, (1081), 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 04:08:51,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2024-11-28 04:08:51,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2024-11-28 04:08:51,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2024-11-28 04:08:51,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 9 remaining) [2024-11-28 04:08:51,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining) [2024-11-28 04:08:51,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2024-11-28 04:08:51,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2024-11-28 04:08:51,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2024-11-28 04:08:51,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2024-11-28 04:08:51,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-28 04:08:51,544 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:08:51,548 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 4 thread instances [2024-11-28 04:08:51,548 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:08:51,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:08:51 BasicIcfg [2024-11-28 04:08:51,557 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:08:51,557 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:08:51,557 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:08:51,558 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:08:51,558 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:08:00" (3/4) ... [2024-11-28 04:08:51,560 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:08:51,563 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread [2024-11-28 04:08:51,567 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-28 04:08:51,567 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 04:08:51,567 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 04:08:51,645 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5561e8e-14cc-4418-aaa2-81fdc862bd40/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:08:51,647 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5561e8e-14cc-4418-aaa2-81fdc862bd40/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:08:51,647 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:08:51,649 INFO L158 Benchmark]: Toolchain (without parser) took 51938.73ms. Allocated memory was 142.6MB in the beginning and 11.2GB in the end (delta: 11.0GB). Free memory was 116.5MB in the beginning and 7.1GB in the end (delta: -7.0GB). Peak memory consumption was 4.0GB. Max. memory is 16.1GB. [2024-11-28 04:08:51,651 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:08:51,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.20ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 97.1MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:08:51,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.47ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 95.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:08:51,651 INFO L158 Benchmark]: Boogie Preprocessor took 46.20ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 94.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:08:51,652 INFO L158 Benchmark]: RCFGBuilder took 448.04ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 79.6MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:08:51,652 INFO L158 Benchmark]: TraceAbstraction took 50778.85ms. Allocated memory was 142.6MB in the beginning and 11.2GB in the end (delta: 11.0GB). Free memory was 79.0MB in the beginning and 7.1GB in the end (delta: -7.1GB). Peak memory consumption was 4.0GB. Max. memory is 16.1GB. [2024-11-28 04:08:51,652 INFO L158 Benchmark]: Witness Printer took 90.01ms. Allocated memory is still 11.2GB. Free memory was 7.1GB in the beginning and 7.1GB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:08:51,656 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 509.20ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 97.1MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.47ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 95.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.20ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 94.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 448.04ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 79.6MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 50778.85ms. Allocated memory was 142.6MB in the beginning and 11.2GB in the end (delta: 11.0GB). Free memory was 79.0MB in the beginning and 7.1GB in the end (delta: -7.1GB). Peak memory consumption was 4.0GB. Max. memory is 16.1GB. * Witness Printer took 90.01ms. Allocated memory is still 11.2GB. Free memory was 7.1GB in the beginning and 7.1GB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 685]: 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 3 procedures, 94 locations, 6 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: 2.7s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 265 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 162 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 349 IncrementalHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 10 mSDtfsCounter, 349 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=193occurred in iteration=3, InterpolantAutomatonStates: 24, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 158 ConstructedInterpolants, 0 QuantifiedInterpolants, 443 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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 - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 4 procedures, 111 locations, 7 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: 2.9s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 453 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 308 mSDsluCounter, 99 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 61 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 673 IncrementalHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 38 mSDtfsCounter, 673 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=318occurred in iteration=6, InterpolantAutomatonStates: 37, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 334 NumberOfCodeBlocks, 334 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 267 ConstructedInterpolants, 0 QuantifiedInterpolants, 730 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 15/15 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 - StatisticsResult: Ultimate Automizer benchmark data with 3 thread instances CFG has 5 procedures, 128 locations, 8 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: 7.7s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 777 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 572 mSDsluCounter, 192 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 124 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1149 IncrementalHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 68 mSDtfsCounter, 1149 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=429occurred in iteration=7, InterpolantAutomatonStates: 56, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 556 NumberOfCodeBlocks, 556 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 469 ConstructedInterpolants, 0 QuantifiedInterpolants, 1292 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 39/39 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 - StatisticsResult: Ultimate Automizer benchmark data with 4 thread instances CFG has 6 procedures, 145 locations, 9 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: 37.2s, OverallIterations: 17, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 34.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1843 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1482 mSDsluCounter, 392 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 285 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3245 IncrementalHoareTripleChecker+Invalid, 3284 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 107 mSDtfsCounter, 3245 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=548occurred in iteration=15, InterpolantAutomatonStates: 114, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1325 NumberOfCodeBlocks, 1325 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1308 ConstructedInterpolants, 0 QuantifiedInterpolants, 3646 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 24/24 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 04:08:51,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5561e8e-14cc-4418-aaa2-81fdc862bd40/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