./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfa6dd2-caf9-4847-9b31-99c1b641c7b0/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfa6dd2-caf9-4847-9b31-99c1b641c7b0/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfa6dd2-caf9-4847-9b31-99c1b641c7b0/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfa6dd2-caf9-4847-9b31-99c1b641c7b0/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfa6dd2-caf9-4847-9b31-99c1b641c7b0/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfa6dd2-caf9-4847-9b31-99c1b641c7b0/bin/uautomizer-verify-qhAvR1uOyd --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 534bdd637f5e5b671357d3ac8ec1b617321ae1d1d7a44132336275a64f61ed0f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:57:06,339 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:57:06,463 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfa6dd2-caf9-4847-9b31-99c1b641c7b0/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 13:57:06,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:57:06,472 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:57:06,521 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:57:06,524 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:57:06,525 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:57:06,525 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:57:06,526 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:57:06,527 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:57:06,527 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:57:06,527 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:57:06,527 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:57:06,529 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:57:06,530 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:57:06,530 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:57:06,530 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:57:06,530 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:57:06,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:57:06,530 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:57:06,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:57:06,531 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 13:57:06,531 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:57:06,531 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:57:06,531 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:57:06,531 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:57:06,531 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:57:06,531 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:57:06,531 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:57:06,532 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:57:06,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:57:06,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:57:06,532 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:57:06,532 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:57:06,532 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:57:06,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:57:06,532 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:57:06,532 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:57:06,533 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:57:06,533 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:57:06,534 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_ccfa6dd2-caf9-4847-9b31-99c1b641c7b0/bin/uautomizer-verify-qhAvR1uOyd 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 -> 534bdd637f5e5b671357d3ac8ec1b617321ae1d1d7a44132336275a64f61ed0f [2024-11-13 13:57:06,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:57:06,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:57:06,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:57:06,976 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:57:06,977 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:57:06,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfa6dd2-caf9-4847-9b31-99c1b641c7b0/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-2.i Unable to find full path for "g++" [2024-11-13 13:57:09,433 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:57:10,002 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:57:10,004 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfa6dd2-caf9-4847-9b31-99c1b641c7b0/sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-2.i [2024-11-13 13:57:10,034 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfa6dd2-caf9-4847-9b31-99c1b641c7b0/bin/uautomizer-verify-qhAvR1uOyd/data/b7f952264/3804dd55e5934cb88a1783b23c02249d/FLAG775df0bfd [2024-11-13 13:57:10,059 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfa6dd2-caf9-4847-9b31-99c1b641c7b0/bin/uautomizer-verify-qhAvR1uOyd/data/b7f952264/3804dd55e5934cb88a1783b23c02249d [2024-11-13 13:57:10,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:57:10,066 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:57:10,068 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:57:10,070 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:57:10,076 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:57:10,079 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:57:10" (1/1) ... [2024-11-13 13:57:10,080 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8428f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:10, skipping insertion in model container [2024-11-13 13:57:10,081 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:57:10" (1/1) ... [2024-11-13 13:57:10,144 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:57:11,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:57:11,126 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:57:11,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:57:11,334 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:57:11,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:11 WrapperNode [2024-11-13 13:57:11,335 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:57:11,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:57:11,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:57:11,338 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:57:11,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:11" (1/1) ... [2024-11-13 13:57:11,382 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:11" (1/1) ... [2024-11-13 13:57:11,435 INFO L138 Inliner]: procedures = 270, calls = 47, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 271 [2024-11-13 13:57:11,435 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:57:11,436 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:57:11,436 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:57:11,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:57:11,447 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:11" (1/1) ... [2024-11-13 13:57:11,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:11" (1/1) ... [2024-11-13 13:57:11,455 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:11" (1/1) ... [2024-11-13 13:57:11,455 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:11" (1/1) ... [2024-11-13 13:57:11,496 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:11" (1/1) ... [2024-11-13 13:57:11,506 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:11" (1/1) ... [2024-11-13 13:57:11,512 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:11" (1/1) ... [2024-11-13 13:57:11,519 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:11" (1/1) ... [2024-11-13 13:57:11,528 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:57:11,529 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:57:11,529 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:57:11,529 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:57:11,530 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:11" (1/1) ... [2024-11-13 13:57:11,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:57:11,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfa6dd2-caf9-4847-9b31-99c1b641c7b0/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:57:11,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfa6dd2-caf9-4847-9b31-99c1b641c7b0/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:57:11,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfa6dd2-caf9-4847-9b31-99c1b641c7b0/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:57:11,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 13:57:11,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 13:57:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 13:57:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 13:57:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 13:57:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 13:57:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 13:57:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:57:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure cleaner [2024-11-13 13:57:11,623 INFO L138 BoogieDeclarations]: Found implementation of procedure cleaner [2024-11-13 13:57:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 13:57:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-11-13 13:57:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-11-13 13:57:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:57:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:57:11,626 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 13:57:11,874 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:57:11,876 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:57:12,752 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 13:57:12,752 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:57:12,809 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:57:12,810 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-13 13:57:12,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:57:12 BoogieIcfgContainer [2024-11-13 13:57:12,810 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:57:12,813 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:57:12,813 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:57:12,819 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:57:12,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:57:10" (1/3) ... [2024-11-13 13:57:12,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74671edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:57:12, skipping insertion in model container [2024-11-13 13:57:12,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:57:11" (2/3) ... [2024-11-13 13:57:12,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74671edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:57:12, skipping insertion in model container [2024-11-13 13:57:12,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:57:12" (3/3) ... [2024-11-13 13:57:12,823 INFO L112 eAbstractionObserver]: Analyzing ICFG per-thread-array-join-counter-race-2.i [2024-11-13 13:57:12,844 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:57:12,846 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG per-thread-array-join-counter-race-2.i that has 3 procedures, 393 locations, 1 initial locations, 5 loop locations, and 34 error locations. [2024-11-13 13:57:12,846 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 13:57:13,004 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 13:57:13,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 468 places, 477 transitions, 968 flow [2024-11-13 13:57:13,608 INFO L124 PetriNetUnfolderBase]: 21/596 cut-off events. [2024-11-13 13:57:13,612 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 13:57:13,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 607 conditions, 596 events. 21/596 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 937 event pairs, 0 based on Foata normal form. 0/511 useless extension candidates. Maximal degree in co-relation 378. Up to 6 conditions per place. [2024-11-13 13:57:13,634 INFO L82 GeneralOperation]: Start removeDead. Operand has 468 places, 477 transitions, 968 flow [2024-11-13 13:57:13,657 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 398 places, 403 transitions, 816 flow [2024-11-13 13:57:13,671 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:57:13,695 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;@3b92e58f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:57:13,695 INFO L334 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2024-11-13 13:57:13,747 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:57:13,750 INFO L124 PetriNetUnfolderBase]: 0/153 cut-off events. [2024-11-13 13:57:13,750 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:57:13,751 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:57:13,752 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:57:13,752 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 13:57:13,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:57:13,765 INFO L85 PathProgramCache]: Analyzing trace with hash -139085421, now seen corresponding path program 1 times [2024-11-13 13:57:13,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:57:13,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611482086] [2024-11-13 13:57:13,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:13,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:57:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:14,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:57:14,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:57:14,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611482086] [2024-11-13 13:57:14,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611482086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:57:14,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:57:14,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:57:14,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641779809] [2024-11-13 13:57:14,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:57:14,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:57:14,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:57:14,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:57:14,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:57:14,602 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 430 out of 477 [2024-11-13 13:57:14,609 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 403 transitions, 816 flow. Second operand has 3 states, 3 states have (on average 431.3333333333333) internal successors, (1294), 3 states have internal predecessors, (1294), 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) [2024-11-13 13:57:14,609 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:57:14,609 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 430 of 477 [2024-11-13 13:57:14,612 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:57:16,466 INFO L124 PetriNetUnfolderBase]: 617/3929 cut-off events. [2024-11-13 13:57:16,468 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-13 13:57:16,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4944 conditions, 3929 events. 617/3929 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 29635 event pairs, 482 based on Foata normal form. 127/3458 useless extension candidates. Maximal degree in co-relation 4706. Up to 985 conditions per place. [2024-11-13 13:57:16,528 INFO L140 encePairwiseOnDemand]: 467/477 looper letters, 28 selfloop transitions, 2 changer transitions 1/393 dead transitions. [2024-11-13 13:57:16,528 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 393 transitions, 856 flow [2024-11-13 13:57:16,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:57:16,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:57:16,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1328 transitions. [2024-11-13 13:57:16,560 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9280223619846262 [2024-11-13 13:57:16,566 INFO L175 Difference]: Start difference. First operand has 398 places, 403 transitions, 816 flow. Second operand 3 states and 1328 transitions. [2024-11-13 13:57:16,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 393 transitions, 856 flow [2024-11-13 13:57:16,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 393 transitions, 855 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:57:16,586 INFO L231 Difference]: Finished difference. Result has 395 places, 392 transitions, 797 flow [2024-11-13 13:57:16,590 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=795, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=797, PETRI_PLACES=395, PETRI_TRANSITIONS=392} [2024-11-13 13:57:16,595 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -3 predicate places. [2024-11-13 13:57:16,596 INFO L471 AbstractCegarLoop]: Abstraction has has 395 places, 392 transitions, 797 flow [2024-11-13 13:57:16,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 431.3333333333333) internal successors, (1294), 3 states have internal predecessors, (1294), 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) [2024-11-13 13:57:16,599 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:57:16,599 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:57:16,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:57:16,599 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 13:57:16,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:57:16,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1300744774, now seen corresponding path program 1 times [2024-11-13 13:57:16,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:57:16,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549945103] [2024-11-13 13:57:16,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:16,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:57:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:17,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:57:17,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:57:17,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549945103] [2024-11-13 13:57:17,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549945103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:57:17,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:57:17,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:57:17,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232029087] [2024-11-13 13:57:17,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:57:17,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:57:17,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:57:17,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:57:17,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:57:17,107 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 477 [2024-11-13 13:57:17,111 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 392 transitions, 797 flow. Second operand has 3 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 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) [2024-11-13 13:57:17,111 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:57:17,111 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 477 [2024-11-13 13:57:17,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:57:18,471 INFO L124 PetriNetUnfolderBase]: 760/4482 cut-off events. [2024-11-13 13:57:18,472 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-11-13 13:57:18,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5696 conditions, 4482 events. 760/4482 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 34998 event pairs, 564 based on Foata normal form. 0/3830 useless extension candidates. Maximal degree in co-relation 5533. Up to 1180 conditions per place. [2024-11-13 13:57:18,522 INFO L140 encePairwiseOnDemand]: 469/477 looper letters, 31 selfloop transitions, 1 changer transitions 0/385 dead transitions. [2024-11-13 13:57:18,522 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 385 transitions, 847 flow [2024-11-13 13:57:18,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:57:18,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:57:18,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1299 transitions. [2024-11-13 13:57:18,530 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9077568134171907 [2024-11-13 13:57:18,531 INFO L175 Difference]: Start difference. First operand has 395 places, 392 transitions, 797 flow. Second operand 3 states and 1299 transitions. [2024-11-13 13:57:18,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 385 transitions, 847 flow [2024-11-13 13:57:18,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 385 transitions, 843 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:57:18,543 INFO L231 Difference]: Finished difference. Result has 387 places, 385 transitions, 781 flow [2024-11-13 13:57:18,544 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=779, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=781, PETRI_PLACES=387, PETRI_TRANSITIONS=385} [2024-11-13 13:57:18,545 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -11 predicate places. [2024-11-13 13:57:18,546 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 385 transitions, 781 flow [2024-11-13 13:57:18,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 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) [2024-11-13 13:57:18,548 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:57:18,548 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:57:18,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:57:18,549 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 13:57:18,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:57:18,550 INFO L85 PathProgramCache]: Analyzing trace with hash 322898846, now seen corresponding path program 1 times [2024-11-13 13:57:18,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:57:18,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165106502] [2024-11-13 13:57:18,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:18,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:57:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:18,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:57:18,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:57:18,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165106502] [2024-11-13 13:57:18,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165106502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:57:18,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:57:18,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:57:18,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810524953] [2024-11-13 13:57:18,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:57:18,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:57:18,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:57:18,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:57:18,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:57:18,885 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 434 out of 477 [2024-11-13 13:57:18,888 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 385 transitions, 781 flow. Second operand has 3 states, 3 states have (on average 435.3333333333333) internal successors, (1306), 3 states have internal predecessors, (1306), 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) [2024-11-13 13:57:18,889 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:57:18,889 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 434 of 477 [2024-11-13 13:57:18,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:57:20,368 INFO L124 PetriNetUnfolderBase]: 685/4221 cut-off events. [2024-11-13 13:57:20,369 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2024-11-13 13:57:20,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5343 conditions, 4221 events. 685/4221 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 33348 event pairs, 541 based on Foata normal form. 0/3599 useless extension candidates. Maximal degree in co-relation 5180. Up to 1090 conditions per place. [2024-11-13 13:57:20,434 INFO L140 encePairwiseOnDemand]: 474/477 looper letters, 24 selfloop transitions, 2 changer transitions 0/384 dead transitions. [2024-11-13 13:57:20,434 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 384 transitions, 831 flow [2024-11-13 13:57:20,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:57:20,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:57:20,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1329 transitions. [2024-11-13 13:57:20,439 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9287211740041929 [2024-11-13 13:57:20,440 INFO L175 Difference]: Start difference. First operand has 387 places, 385 transitions, 781 flow. Second operand 3 states and 1329 transitions. [2024-11-13 13:57:20,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 384 transitions, 831 flow [2024-11-13 13:57:20,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 384 transitions, 830 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:57:20,449 INFO L231 Difference]: Finished difference. Result has 387 places, 384 transitions, 782 flow [2024-11-13 13:57:20,450 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=782, PETRI_PLACES=387, PETRI_TRANSITIONS=384} [2024-11-13 13:57:20,452 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -11 predicate places. [2024-11-13 13:57:20,453 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 384 transitions, 782 flow [2024-11-13 13:57:20,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 435.3333333333333) internal successors, (1306), 3 states have internal predecessors, (1306), 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) [2024-11-13 13:57:20,455 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:57:20,455 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:57:20,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:57:20,456 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 13:57:20,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:57:20,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1056416456, now seen corresponding path program 1 times [2024-11-13 13:57:20,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:57:20,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490192038] [2024-11-13 13:57:20,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:20,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:57:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:20,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:57:20,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:57:20,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490192038] [2024-11-13 13:57:20,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490192038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:57:20,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:57:20,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:57:20,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006821627] [2024-11-13 13:57:20,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:57:20,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:57:20,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:57:20,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:57:20,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:57:20,787 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 433 out of 477 [2024-11-13 13:57:20,790 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 384 transitions, 782 flow. Second operand has 3 states, 3 states have (on average 434.3333333333333) internal successors, (1303), 3 states have internal predecessors, (1303), 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) [2024-11-13 13:57:20,790 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:57:20,790 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 433 of 477 [2024-11-13 13:57:20,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:57:22,058 INFO L124 PetriNetUnfolderBase]: 835/4404 cut-off events. [2024-11-13 13:57:22,058 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-13 13:57:22,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5702 conditions, 4404 events. 835/4404 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 33880 event pairs, 605 based on Foata normal form. 0/3765 useless extension candidates. Maximal degree in co-relation 5539. Up to 1258 conditions per place. [2024-11-13 13:57:22,114 INFO L140 encePairwiseOnDemand]: 474/477 looper letters, 24 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2024-11-13 13:57:22,114 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 383 transitions, 832 flow [2024-11-13 13:57:22,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:57:22,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:57:22,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1326 transitions. [2024-11-13 13:57:22,120 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9266247379454927 [2024-11-13 13:57:22,121 INFO L175 Difference]: Start difference. First operand has 387 places, 384 transitions, 782 flow. Second operand 3 states and 1326 transitions. [2024-11-13 13:57:22,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 383 transitions, 832 flow [2024-11-13 13:57:22,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 383 transitions, 828 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:57:22,130 INFO L231 Difference]: Finished difference. Result has 386 places, 383 transitions, 780 flow [2024-11-13 13:57:22,131 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=776, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=780, PETRI_PLACES=386, PETRI_TRANSITIONS=383} [2024-11-13 13:57:22,132 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -12 predicate places. [2024-11-13 13:57:22,133 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 383 transitions, 780 flow [2024-11-13 13:57:22,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 434.3333333333333) internal successors, (1303), 3 states have internal predecessors, (1303), 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) [2024-11-13 13:57:22,136 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:57:22,136 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:57:22,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:57:22,137 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 13:57:22,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:57:22,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1539474780, now seen corresponding path program 1 times [2024-11-13 13:57:22,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:57:22,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149281364] [2024-11-13 13:57:22,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:22,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:57:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:22,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:57:22,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:57:22,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149281364] [2024-11-13 13:57:22,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149281364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:57:22,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:57:22,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:57:22,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44980604] [2024-11-13 13:57:22,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:57:22,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:57:22,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:57:22,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:57:22,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:57:22,437 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 431 out of 477 [2024-11-13 13:57:22,440 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 383 transitions, 780 flow. Second operand has 3 states, 3 states have (on average 432.3333333333333) internal successors, (1297), 3 states have internal predecessors, (1297), 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) [2024-11-13 13:57:22,440 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:57:22,440 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 431 of 477 [2024-11-13 13:57:22,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:57:23,604 INFO L124 PetriNetUnfolderBase]: 991/4637 cut-off events. [2024-11-13 13:57:23,604 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-11-13 13:57:23,637 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6154 conditions, 4637 events. 991/4637 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 36342 event pairs, 713 based on Foata normal form. 0/3972 useless extension candidates. Maximal degree in co-relation 5991. Up to 1475 conditions per place. [2024-11-13 13:57:23,664 INFO L140 encePairwiseOnDemand]: 474/477 looper letters, 26 selfloop transitions, 2 changer transitions 0/382 dead transitions. [2024-11-13 13:57:23,665 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 382 transitions, 834 flow [2024-11-13 13:57:23,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:57:23,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:57:23,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1322 transitions. [2024-11-13 13:57:23,669 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9238294898672257 [2024-11-13 13:57:23,670 INFO L175 Difference]: Start difference. First operand has 386 places, 383 transitions, 780 flow. Second operand 3 states and 1322 transitions. [2024-11-13 13:57:23,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 382 transitions, 834 flow [2024-11-13 13:57:23,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 382 transitions, 830 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:57:23,678 INFO L231 Difference]: Finished difference. Result has 385 places, 382 transitions, 778 flow [2024-11-13 13:57:23,679 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=778, PETRI_PLACES=385, PETRI_TRANSITIONS=382} [2024-11-13 13:57:23,682 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -13 predicate places. [2024-11-13 13:57:23,683 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 382 transitions, 778 flow [2024-11-13 13:57:23,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 432.3333333333333) internal successors, (1297), 3 states have internal predecessors, (1297), 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) [2024-11-13 13:57:23,684 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:57:23,684 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:57:23,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:57:23,684 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 13:57:23,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:57:23,687 INFO L85 PathProgramCache]: Analyzing trace with hash 2086226640, now seen corresponding path program 1 times [2024-11-13 13:57:23,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:57:23,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864580273] [2024-11-13 13:57:23,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:23,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:57:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:23,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:57:23,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:57:23,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864580273] [2024-11-13 13:57:23,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864580273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:57:23,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:57:23,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:57:23,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97974678] [2024-11-13 13:57:23,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:57:23,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:57:23,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:57:23,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:57:23,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:57:23,994 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 423 out of 477 [2024-11-13 13:57:23,997 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 382 transitions, 778 flow. Second operand has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 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) [2024-11-13 13:57:23,997 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:57:23,997 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 423 of 477 [2024-11-13 13:57:23,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:57:25,402 INFO L124 PetriNetUnfolderBase]: 1451/5152 cut-off events. [2024-11-13 13:57:25,402 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2024-11-13 13:57:25,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7346 conditions, 5152 events. 1451/5152 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 39212 event pairs, 507 based on Foata normal form. 0/4567 useless extension candidates. Maximal degree in co-relation 7184. Up to 2100 conditions per place. [2024-11-13 13:57:25,449 INFO L140 encePairwiseOnDemand]: 469/477 looper letters, 38 selfloop transitions, 3 changer transitions 0/390 dead transitions. [2024-11-13 13:57:25,450 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 390 transitions, 881 flow [2024-11-13 13:57:25,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:57:25,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:57:25,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1315 transitions. [2024-11-13 13:57:25,455 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9189378057302585 [2024-11-13 13:57:25,455 INFO L175 Difference]: Start difference. First operand has 385 places, 382 transitions, 778 flow. Second operand 3 states and 1315 transitions. [2024-11-13 13:57:25,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 390 transitions, 881 flow [2024-11-13 13:57:25,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 390 transitions, 877 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:57:25,469 INFO L231 Difference]: Finished difference. Result has 381 places, 380 transitions, 785 flow [2024-11-13 13:57:25,473 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=764, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=785, PETRI_PLACES=381, PETRI_TRANSITIONS=380} [2024-11-13 13:57:25,474 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -17 predicate places. [2024-11-13 13:57:25,474 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 380 transitions, 785 flow [2024-11-13 13:57:25,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 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) [2024-11-13 13:57:25,475 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:57:25,476 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:57:25,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 13:57:25,476 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 13:57:25,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:57:25,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1142467579, now seen corresponding path program 1 times [2024-11-13 13:57:25,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:57:25,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778683414] [2024-11-13 13:57:25,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:25,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:57:25,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:25,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:57:25,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:57:25,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778683414] [2024-11-13 13:57:25,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778683414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:57:25,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:57:25,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:57:25,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965213128] [2024-11-13 13:57:25,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:57:25,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:57:25,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:57:25,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:57:25,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:57:25,723 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 432 out of 477 [2024-11-13 13:57:25,726 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 380 transitions, 785 flow. Second operand has 3 states, 3 states have (on average 433.3333333333333) internal successors, (1300), 3 states have internal predecessors, (1300), 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) [2024-11-13 13:57:25,726 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:57:25,726 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 432 of 477 [2024-11-13 13:57:25,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:57:27,479 INFO L124 PetriNetUnfolderBase]: 1016/5693 cut-off events. [2024-11-13 13:57:27,479 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2024-11-13 13:57:27,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7432 conditions, 5693 events. 1016/5693 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 48632 event pairs, 681 based on Foata normal form. 0/5053 useless extension candidates. Maximal degree in co-relation 7270. Up to 1521 conditions per place. [2024-11-13 13:57:27,545 INFO L140 encePairwiseOnDemand]: 471/477 looper letters, 30 selfloop transitions, 3 changer transitions 0/386 dead transitions. [2024-11-13 13:57:27,546 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 386 transitions, 863 flow [2024-11-13 13:57:27,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:57:27,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:57:27,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1332 transitions. [2024-11-13 13:57:27,553 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9308176100628931 [2024-11-13 13:57:27,554 INFO L175 Difference]: Start difference. First operand has 381 places, 380 transitions, 785 flow. Second operand 3 states and 1332 transitions. [2024-11-13 13:57:27,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 386 transitions, 863 flow [2024-11-13 13:57:27,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 386 transitions, 863 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:57:27,566 INFO L231 Difference]: Finished difference. Result has 381 places, 380 transitions, 800 flow [2024-11-13 13:57:27,567 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=779, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=800, PETRI_PLACES=381, PETRI_TRANSITIONS=380} [2024-11-13 13:57:27,568 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -17 predicate places. [2024-11-13 13:57:27,568 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 380 transitions, 800 flow [2024-11-13 13:57:27,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 433.3333333333333) internal successors, (1300), 3 states have internal predecessors, (1300), 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) [2024-11-13 13:57:27,570 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:57:27,570 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:57:27,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 13:57:27,570 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 13:57:27,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:57:27,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1085462370, now seen corresponding path program 1 times [2024-11-13 13:57:27,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:57:27,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778429667] [2024-11-13 13:57:27,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:27,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:57:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:27,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:57:27,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:57:27,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778429667] [2024-11-13 13:57:27,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778429667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:57:27,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:57:27,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:57:27,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914578267] [2024-11-13 13:57:27,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:57:27,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:57:27,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:57:27,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:57:27,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:57:27,858 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 430 out of 477 [2024-11-13 13:57:27,861 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 380 transitions, 800 flow. Second operand has 3 states, 3 states have (on average 431.3333333333333) internal successors, (1294), 3 states have internal predecessors, (1294), 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) [2024-11-13 13:57:27,861 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:57:27,861 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 430 of 477 [2024-11-13 13:57:27,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:57:30,393 INFO L124 PetriNetUnfolderBase]: 1742/8121 cut-off events. [2024-11-13 13:57:30,394 INFO L125 PetriNetUnfolderBase]: For 80/80 co-relation queries the response was YES. [2024-11-13 13:57:30,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11191 conditions, 8121 events. 1742/8121 cut-off events. For 80/80 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 71661 event pairs, 642 based on Foata normal form. 0/7080 useless extension candidates. Maximal degree in co-relation 11028. Up to 1443 conditions per place. [2024-11-13 13:57:30,482 INFO L140 encePairwiseOnDemand]: 466/477 looper letters, 44 selfloop transitions, 8 changer transitions 0/404 dead transitions. [2024-11-13 13:57:30,482 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 404 transitions, 958 flow [2024-11-13 13:57:30,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:57:30,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:57:30,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1345 transitions. [2024-11-13 13:57:30,487 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9399021663172606 [2024-11-13 13:57:30,487 INFO L175 Difference]: Start difference. First operand has 381 places, 380 transitions, 800 flow. Second operand 3 states and 1345 transitions. [2024-11-13 13:57:30,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 404 transitions, 958 flow [2024-11-13 13:57:30,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 404 transitions, 958 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:57:30,497 INFO L231 Difference]: Finished difference. Result has 385 places, 388 transitions, 870 flow [2024-11-13 13:57:30,498 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=870, PETRI_PLACES=385, PETRI_TRANSITIONS=388} [2024-11-13 13:57:30,499 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -13 predicate places. [2024-11-13 13:57:30,499 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 388 transitions, 870 flow [2024-11-13 13:57:30,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 431.3333333333333) internal successors, (1294), 3 states have internal predecessors, (1294), 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) [2024-11-13 13:57:30,500 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:57:30,501 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:57:30,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 13:57:30,501 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting cleanerErr2ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 13:57:30,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:57:30,502 INFO L85 PathProgramCache]: Analyzing trace with hash 223409682, now seen corresponding path program 1 times [2024-11-13 13:57:30,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:57:30,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494254352] [2024-11-13 13:57:30,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:30,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:57:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:30,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:57:30,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:57:30,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494254352] [2024-11-13 13:57:30,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494254352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:57:30,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:57:30,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:57:30,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748914227] [2024-11-13 13:57:30,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:57:30,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:57:30,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:57:30,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:57:30,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:57:30,738 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 477 [2024-11-13 13:57:30,741 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 388 transitions, 870 flow. Second operand has 3 states, 3 states have (on average 430.6666666666667) internal successors, (1292), 3 states have internal predecessors, (1292), 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) [2024-11-13 13:57:30,741 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:57:30,741 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 477 [2024-11-13 13:57:30,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:57:34,603 INFO L124 PetriNetUnfolderBase]: 2111/10735 cut-off events. [2024-11-13 13:57:34,603 INFO L125 PetriNetUnfolderBase]: For 155/163 co-relation queries the response was YES. [2024-11-13 13:57:34,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14552 conditions, 10735 events. 2111/10735 cut-off events. For 155/163 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 102361 event pairs, 1244 based on Foata normal form. 0/9633 useless extension candidates. Maximal degree in co-relation 14387. Up to 2835 conditions per place. [2024-11-13 13:57:34,690 INFO L140 encePairwiseOnDemand]: 472/477 looper letters, 35 selfloop transitions, 2 changer transitions 0/398 dead transitions. [2024-11-13 13:57:34,690 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 398 transitions, 967 flow [2024-11-13 13:57:34,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:57:34,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:57:34,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1327 transitions. [2024-11-13 13:57:34,696 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9273235499650594 [2024-11-13 13:57:34,696 INFO L175 Difference]: Start difference. First operand has 385 places, 388 transitions, 870 flow. Second operand 3 states and 1327 transitions. [2024-11-13 13:57:34,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 398 transitions, 967 flow [2024-11-13 13:57:34,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 398 transitions, 951 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:57:34,716 INFO L231 Difference]: Finished difference. Result has 383 places, 387 transitions, 862 flow [2024-11-13 13:57:34,717 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=848, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=862, PETRI_PLACES=383, PETRI_TRANSITIONS=387} [2024-11-13 13:57:34,720 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -15 predicate places. [2024-11-13 13:57:34,721 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 387 transitions, 862 flow [2024-11-13 13:57:34,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 430.6666666666667) internal successors, (1292), 3 states have internal predecessors, (1292), 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) [2024-11-13 13:57:34,722 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:57:34,723 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:57:34,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 13:57:34,723 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting cleanerErr3ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 13:57:34,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:57:34,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1600516045, now seen corresponding path program 1 times [2024-11-13 13:57:34,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:57:34,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409203278] [2024-11-13 13:57:34,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:34,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:57:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:35,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:57:35,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:57:35,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409203278] [2024-11-13 13:57:35,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409203278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:57:35,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:57:35,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:57:35,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281904589] [2024-11-13 13:57:35,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:57:35,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:57:35,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:57:35,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:57:35,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:57:35,523 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 430 out of 477 [2024-11-13 13:57:35,526 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 387 transitions, 862 flow. Second operand has 3 states, 3 states have (on average 432.3333333333333) internal successors, (1297), 3 states have internal predecessors, (1297), 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) [2024-11-13 13:57:35,526 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:57:35,527 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 430 of 477 [2024-11-13 13:57:35,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:57:41,558 INFO L124 PetriNetUnfolderBase]: 4584/20536 cut-off events. [2024-11-13 13:57:41,559 INFO L125 PetriNetUnfolderBase]: For 151/151 co-relation queries the response was YES. [2024-11-13 13:57:41,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29262 conditions, 20536 events. 4584/20536 cut-off events. For 151/151 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 220837 event pairs, 2480 based on Foata normal form. 0/18594 useless extension candidates. Maximal degree in co-relation 29096. Up to 5342 conditions per place. [2024-11-13 13:57:41,737 INFO L140 encePairwiseOnDemand]: 467/477 looper letters, 45 selfloop transitions, 9 changer transitions 0/410 dead transitions. [2024-11-13 13:57:41,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 410 transitions, 1022 flow [2024-11-13 13:57:41,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:57:41,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:57:41,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1345 transitions. [2024-11-13 13:57:41,743 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9399021663172606 [2024-11-13 13:57:41,744 INFO L175 Difference]: Start difference. First operand has 383 places, 387 transitions, 862 flow. Second operand 3 states and 1345 transitions. [2024-11-13 13:57:41,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 410 transitions, 1022 flow [2024-11-13 13:57:41,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 410 transitions, 1022 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:57:41,759 INFO L231 Difference]: Finished difference. Result has 387 places, 395 transitions, 932 flow [2024-11-13 13:57:41,760 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=862, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=932, PETRI_PLACES=387, PETRI_TRANSITIONS=395} [2024-11-13 13:57:41,761 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -11 predicate places. [2024-11-13 13:57:41,762 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 395 transitions, 932 flow [2024-11-13 13:57:41,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 432.3333333333333) internal successors, (1297), 3 states have internal predecessors, (1297), 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) [2024-11-13 13:57:41,763 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:57:41,764 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:57:41,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 13:57:41,764 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 13:57:41,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:57:41,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1061121708, now seen corresponding path program 1 times [2024-11-13 13:57:41,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:57:41,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054878981] [2024-11-13 13:57:41,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:41,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:57:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:42,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:57:42,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:57:42,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054878981] [2024-11-13 13:57:42,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054878981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:57:42,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:57:42,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:57:42,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267833669] [2024-11-13 13:57:42,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:57:42,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:57:42,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:57:42,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:57:42,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:57:42,380 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 433 out of 477 [2024-11-13 13:57:42,385 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 395 transitions, 932 flow. Second operand has 5 states, 5 states have (on average 434.8) internal successors, (2174), 5 states have internal predecessors, (2174), 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) [2024-11-13 13:57:42,385 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:57:42,385 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 433 of 477 [2024-11-13 13:57:42,385 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:57:46,689 INFO L124 PetriNetUnfolderBase]: 2538/15434 cut-off events. [2024-11-13 13:57:46,690 INFO L125 PetriNetUnfolderBase]: For 497/561 co-relation queries the response was YES. [2024-11-13 13:57:46,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21758 conditions, 15434 events. 2538/15434 cut-off events. For 497/561 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 167305 event pairs, 1887 based on Foata normal form. 4/14006 useless extension candidates. Maximal degree in co-relation 21588. Up to 3397 conditions per place. [2024-11-13 13:57:46,794 INFO L140 encePairwiseOnDemand]: 468/477 looper letters, 36 selfloop transitions, 8 changer transitions 0/409 dead transitions. [2024-11-13 13:57:46,795 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 409 transitions, 1047 flow [2024-11-13 13:57:46,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:57:46,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:57:46,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2643 transitions. [2024-11-13 13:57:46,802 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9234800838574424 [2024-11-13 13:57:46,802 INFO L175 Difference]: Start difference. First operand has 387 places, 395 transitions, 932 flow. Second operand 6 states and 2643 transitions. [2024-11-13 13:57:46,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 392 places, 409 transitions, 1047 flow [2024-11-13 13:57:46,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 409 transitions, 1029 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:57:46,822 INFO L231 Difference]: Finished difference. Result has 394 places, 399 transitions, 959 flow [2024-11-13 13:57:46,823 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=909, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=959, PETRI_PLACES=394, PETRI_TRANSITIONS=399} [2024-11-13 13:57:46,824 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -4 predicate places. [2024-11-13 13:57:46,824 INFO L471 AbstractCegarLoop]: Abstraction has has 394 places, 399 transitions, 959 flow [2024-11-13 13:57:46,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 434.8) internal successors, (2174), 5 states have internal predecessors, (2174), 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) [2024-11-13 13:57:46,827 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:57:46,827 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:57:46,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 13:57:46,827 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 13:57:46,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:57:46,828 INFO L85 PathProgramCache]: Analyzing trace with hash -342383149, now seen corresponding path program 1 times [2024-11-13 13:57:46,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:57:46,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073513066] [2024-11-13 13:57:46,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:46,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:57:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:47,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:57:47,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:57:47,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073513066] [2024-11-13 13:57:47,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073513066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:57:47,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:57:47,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:57:47,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240583048] [2024-11-13 13:57:47,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:57:47,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:57:47,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:57:47,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:57:47,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:57:47,247 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 440 out of 477 [2024-11-13 13:57:47,250 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 399 transitions, 959 flow. Second operand has 3 states, 3 states have (on average 441.6666666666667) internal successors, (1325), 3 states have internal predecessors, (1325), 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) [2024-11-13 13:57:47,250 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:57:47,250 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 440 of 477 [2024-11-13 13:57:47,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:57:52,060 INFO L124 PetriNetUnfolderBase]: 3173/17013 cut-off events. [2024-11-13 13:57:52,060 INFO L125 PetriNetUnfolderBase]: For 203/218 co-relation queries the response was YES. [2024-11-13 13:57:52,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24187 conditions, 17013 events. 3173/17013 cut-off events. For 203/218 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 185378 event pairs, 1565 based on Foata normal form. 8/15220 useless extension candidates. Maximal degree in co-relation 24012. Up to 3710 conditions per place. [2024-11-13 13:57:52,192 INFO L140 encePairwiseOnDemand]: 473/477 looper letters, 33 selfloop transitions, 3 changer transitions 0/413 dead transitions. [2024-11-13 13:57:52,193 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 413 transitions, 1062 flow [2024-11-13 13:57:52,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:57:52,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:57:52,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1357 transitions. [2024-11-13 13:57:52,197 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9482879105520615 [2024-11-13 13:57:52,197 INFO L175 Difference]: Start difference. First operand has 394 places, 399 transitions, 959 flow. Second operand 3 states and 1357 transitions. [2024-11-13 13:57:52,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 413 transitions, 1062 flow [2024-11-13 13:57:52,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 413 transitions, 1058 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:57:52,212 INFO L231 Difference]: Finished difference. Result has 396 places, 400 transitions, 969 flow [2024-11-13 13:57:52,213 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=950, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=969, PETRI_PLACES=396, PETRI_TRANSITIONS=400} [2024-11-13 13:57:52,214 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -2 predicate places. [2024-11-13 13:57:52,214 INFO L471 AbstractCegarLoop]: Abstraction has has 396 places, 400 transitions, 969 flow [2024-11-13 13:57:52,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 441.6666666666667) internal successors, (1325), 3 states have internal predecessors, (1325), 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) [2024-11-13 13:57:52,215 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:57:52,216 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:57:52,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 13:57:52,216 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting cleanerErr5ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 13:57:52,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:57:52,217 INFO L85 PathProgramCache]: Analyzing trace with hash 389166303, now seen corresponding path program 1 times [2024-11-13 13:57:52,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:57:52,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202434753] [2024-11-13 13:57:52,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:52,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:57:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:52,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:57:52,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:57:52,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202434753] [2024-11-13 13:57:52,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202434753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:57:52,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:57:52,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:57:52,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606958404] [2024-11-13 13:57:52,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:57:52,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:57:52,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:57:52,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:57:52,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:57:52,754 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 433 out of 477 [2024-11-13 13:57:52,758 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 400 transitions, 969 flow. Second operand has 5 states, 5 states have (on average 435.0) internal successors, (2175), 5 states have internal predecessors, (2175), 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) [2024-11-13 13:57:52,758 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:57:52,758 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 433 of 477 [2024-11-13 13:57:52,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:57:57,812 INFO L124 PetriNetUnfolderBase]: 3643/18615 cut-off events. [2024-11-13 13:57:57,812 INFO L125 PetriNetUnfolderBase]: For 572/601 co-relation queries the response was YES. [2024-11-13 13:57:57,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26886 conditions, 18615 events. 3643/18615 cut-off events. For 572/601 co-relation queries the response was YES. Maximal size of possible extension queue 262. Compared 203349 event pairs, 2412 based on Foata normal form. 4/16916 useless extension candidates. Maximal degree in co-relation 26708. Up to 4877 conditions per place. [2024-11-13 13:57:58,006 INFO L140 encePairwiseOnDemand]: 468/477 looper letters, 27 selfloop transitions, 4 changer transitions 13/408 dead transitions. [2024-11-13 13:57:58,006 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 408 transitions, 1068 flow [2024-11-13 13:57:58,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:57:58,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:57:58,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2640 transitions. [2024-11-13 13:57:58,014 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9224318658280922 [2024-11-13 13:57:58,014 INFO L175 Difference]: Start difference. First operand has 396 places, 400 transitions, 969 flow. Second operand 6 states and 2640 transitions. [2024-11-13 13:57:58,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 408 transitions, 1068 flow [2024-11-13 13:57:58,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 408 transitions, 1065 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:57:58,033 INFO L231 Difference]: Finished difference. Result has 402 places, 395 transitions, 953 flow [2024-11-13 13:57:58,034 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=961, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=953, PETRI_PLACES=402, PETRI_TRANSITIONS=395} [2024-11-13 13:57:58,035 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, 4 predicate places. [2024-11-13 13:57:58,036 INFO L471 AbstractCegarLoop]: Abstraction has has 402 places, 395 transitions, 953 flow [2024-11-13 13:57:58,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 435.0) internal successors, (2175), 5 states have internal predecessors, (2175), 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) [2024-11-13 13:57:58,038 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:57:58,038 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:57:58,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 13:57:58,039 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 13:57:58,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:57:58,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1657159512, now seen corresponding path program 1 times [2024-11-13 13:57:58,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:57:58,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844526919] [2024-11-13 13:57:58,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:58,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:57:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:59,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 13:57:59,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:57:59,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844526919] [2024-11-13 13:57:59,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844526919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:57:59,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:57:59,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:57:59,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653140879] [2024-11-13 13:57:59,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:57:59,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:57:59,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:57:59,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:57:59,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:58:00,036 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 417 out of 477 [2024-11-13 13:58:00,040 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 395 transitions, 953 flow. Second operand has 6 states, 6 states have (on average 418.8333333333333) internal successors, (2513), 6 states have internal predecessors, (2513), 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) [2024-11-13 13:58:00,040 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:58:00,040 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 417 of 477 [2024-11-13 13:58:00,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:58:09,846 INFO L124 PetriNetUnfolderBase]: 9843/33758 cut-off events. [2024-11-13 13:58:09,846 INFO L125 PetriNetUnfolderBase]: For 2731/2856 co-relation queries the response was YES. [2024-11-13 13:58:10,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56805 conditions, 33758 events. 9843/33758 cut-off events. For 2731/2856 co-relation queries the response was YES. Maximal size of possible extension queue 546. Compared 374501 event pairs, 3778 based on Foata normal form. 1/30818 useless extension candidates. Maximal degree in co-relation 56623. Up to 11645 conditions per place. [2024-11-13 13:58:10,483 INFO L140 encePairwiseOnDemand]: 463/477 looper letters, 95 selfloop transitions, 46 changer transitions 0/491 dead transitions. [2024-11-13 13:58:10,483 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 491 transitions, 1509 flow [2024-11-13 13:58:10,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:58:10,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:58:10,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2627 transitions. [2024-11-13 13:58:10,487 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9178895877009084 [2024-11-13 13:58:10,487 INFO L175 Difference]: Start difference. First operand has 402 places, 395 transitions, 953 flow. Second operand 6 states and 2627 transitions. [2024-11-13 13:58:10,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 491 transitions, 1509 flow [2024-11-13 13:58:10,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 491 transitions, 1481 flow, removed 7 selfloop flow, removed 9 redundant places. [2024-11-13 13:58:10,547 INFO L231 Difference]: Finished difference. Result has 398 places, 440 transitions, 1260 flow [2024-11-13 13:58:10,548 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=925, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1260, PETRI_PLACES=398, PETRI_TRANSITIONS=440} [2024-11-13 13:58:10,550 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, 0 predicate places. [2024-11-13 13:58:10,551 INFO L471 AbstractCegarLoop]: Abstraction has has 398 places, 440 transitions, 1260 flow [2024-11-13 13:58:10,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 418.8333333333333) internal successors, (2513), 6 states have internal predecessors, (2513), 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) [2024-11-13 13:58:10,553 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:58:10,553 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:58:10,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 13:58:10,554 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting cleanerErr5ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 13:58:10,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:58:10,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1973996251, now seen corresponding path program 1 times [2024-11-13 13:58:10,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:58:10,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671694521] [2024-11-13 13:58:10,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:58:10,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:58:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:11,317 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 13:58:11,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:58:11,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671694521] [2024-11-13 13:58:11,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671694521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:58:11,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:58:11,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:58:11,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969075343] [2024-11-13 13:58:11,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:58:11,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:58:11,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:58:11,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:58:11,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:58:12,103 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 477 [2024-11-13 13:58:12,110 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 440 transitions, 1260 flow. Second operand has 7 states, 7 states have (on average 428.0) internal successors, (2996), 7 states have internal predecessors, (2996), 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) [2024-11-13 13:58:12,111 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:58:12,111 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 477 [2024-11-13 13:58:12,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:58:24,184 INFO L124 PetriNetUnfolderBase]: 9452/39633 cut-off events. [2024-11-13 13:58:24,184 INFO L125 PetriNetUnfolderBase]: For 3935/6045 co-relation queries the response was YES. [2024-11-13 13:58:24,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66140 conditions, 39633 events. 9452/39633 cut-off events. For 3935/6045 co-relation queries the response was YES. Maximal size of possible extension queue 545. Compared 484619 event pairs, 4498 based on Foata normal form. 228/36041 useless extension candidates. Maximal degree in co-relation 65964. Up to 10508 conditions per place. [2024-11-13 13:58:24,592 INFO L140 encePairwiseOnDemand]: 465/477 looper letters, 64 selfloop transitions, 14 changer transitions 5/485 dead transitions. [2024-11-13 13:58:24,592 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 485 transitions, 1523 flow [2024-11-13 13:58:24,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 13:58:24,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-13 13:58:24,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 4344 transitions. [2024-11-13 13:58:24,602 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9106918238993711 [2024-11-13 13:58:24,602 INFO L175 Difference]: Start difference. First operand has 398 places, 440 transitions, 1260 flow. Second operand 10 states and 4344 transitions. [2024-11-13 13:58:24,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 485 transitions, 1523 flow [2024-11-13 13:58:24,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 485 transitions, 1523 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:58:24,633 INFO L231 Difference]: Finished difference. Result has 411 places, 448 transitions, 1332 flow [2024-11-13 13:58:24,634 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=477, PETRI_DIFFERENCE_MINUEND_FLOW=1255, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=428, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1332, PETRI_PLACES=411, PETRI_TRANSITIONS=448} [2024-11-13 13:58:24,635 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, 13 predicate places. [2024-11-13 13:58:24,635 INFO L471 AbstractCegarLoop]: Abstraction has has 411 places, 448 transitions, 1332 flow [2024-11-13 13:58:24,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 428.0) internal successors, (2996), 7 states have internal predecessors, (2996), 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) [2024-11-13 13:58:24,638 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:58:24,638 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:58:24,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 13:58:24,639 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting cleanerErr3ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 13:58:24,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:58:24,639 INFO L85 PathProgramCache]: Analyzing trace with hash 419707206, now seen corresponding path program 1 times [2024-11-13 13:58:24,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:58:24,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864260701] [2024-11-13 13:58:24,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:58:24,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:58:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:25,751 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 13:58:25,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:58:25,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864260701] [2024-11-13 13:58:25,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864260701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:58:25,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:58:25,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:58:25,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954762081] [2024-11-13 13:58:25,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:58:25,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:58:25,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:58:25,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:58:25,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:58:26,790 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 477 [2024-11-13 13:58:26,798 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 448 transitions, 1332 flow. Second operand has 8 states, 8 states have (on average 422.875) internal successors, (3383), 8 states have internal predecessors, (3383), 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) [2024-11-13 13:58:26,798 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:58:26,798 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 477 [2024-11-13 13:58:26,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand