./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-3.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_44681e61-3841-4724-9177-8ee54ca0c867/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44681e61-3841-4724-9177-8ee54ca0c867/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_44681e61-3841-4724-9177-8ee54ca0c867/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44681e61-3841-4724-9177-8ee54ca0c867/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44681e61-3841-4724-9177-8ee54ca0c867/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_44681e61-3841-4724-9177-8ee54ca0c867/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 21bb8f266262880d0d6873fb2e4e8bc5cd60f79baa0774ffc8a8aedd31b66692 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:34:55,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:34:55,620 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44681e61-3841-4724-9177-8ee54ca0c867/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 15:34:55,626 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:34:55,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:34:55,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:34:55,654 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:34:55,654 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:34:55,655 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:34:55,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:34:55,659 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:34:55,659 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:34:55,659 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:34:55,659 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:34:55,659 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:34:55,660 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:34:55,660 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:34:55,661 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:34:55,661 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:34:55,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:34:55,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:34:55,661 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:34:55,661 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 15:34:55,661 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:34:55,662 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:34:55,662 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:34:55,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:34:55,662 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:34:55,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:34:55,662 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:34:55,663 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:34:55,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:34:55,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:34:55,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:34:55,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:34:55,663 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:34:55,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:34:55,664 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:34:55,665 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:34:55,665 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:34:55,665 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:34:55,665 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_44681e61-3841-4724-9177-8ee54ca0c867/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 -> 21bb8f266262880d0d6873fb2e4e8bc5cd60f79baa0774ffc8a8aedd31b66692 [2024-11-13 15:34:56,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:34:56,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:34:56,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:34:56,017 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:34:56,018 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:34:56,019 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44681e61-3841-4724-9177-8ee54ca0c867/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-3.i Unable to find full path for "g++" [2024-11-13 15:34:58,126 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:34:58,606 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:34:58,608 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44681e61-3841-4724-9177-8ee54ca0c867/sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-3.i [2024-11-13 15:34:58,639 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44681e61-3841-4724-9177-8ee54ca0c867/bin/uautomizer-verify-qhAvR1uOyd/data/1f3b8d015/11aca5b3bc5f4cb7aee4e3ec2a0670a3/FLAGb175707ca [2024-11-13 15:34:58,694 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44681e61-3841-4724-9177-8ee54ca0c867/bin/uautomizer-verify-qhAvR1uOyd/data/1f3b8d015/11aca5b3bc5f4cb7aee4e3ec2a0670a3 [2024-11-13 15:34:58,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:34:58,698 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:34:58,700 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:34:58,700 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:34:58,706 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:34:58,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:34:58" (1/1) ... [2024-11-13 15:34:58,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37866fad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:58, skipping insertion in model container [2024-11-13 15:34:58,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:34:58" (1/1) ... [2024-11-13 15:34:58,753 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:34:59,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:34:59,358 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:34:59,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:34:59,509 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:34:59,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:59 WrapperNode [2024-11-13 15:34:59,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:34:59,511 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:34:59,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:34:59,512 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:34:59,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:59" (1/1) ... [2024-11-13 15:34:59,552 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:59" (1/1) ... [2024-11-13 15:34:59,606 INFO L138 Inliner]: procedures = 270, calls = 47, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 271 [2024-11-13 15:34:59,610 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:34:59,611 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:34:59,611 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:34:59,611 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:34:59,622 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:59" (1/1) ... [2024-11-13 15:34:59,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:59" (1/1) ... [2024-11-13 15:34:59,641 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:59" (1/1) ... [2024-11-13 15:34:59,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:59" (1/1) ... [2024-11-13 15:34:59,673 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:59" (1/1) ... [2024-11-13 15:34:59,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:59" (1/1) ... [2024-11-13 15:34:59,681 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:59" (1/1) ... [2024-11-13 15:34:59,683 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:59" (1/1) ... [2024-11-13 15:34:59,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:34:59,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:34:59,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:34:59,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:34:59,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:59" (1/1) ... [2024-11-13 15:34:59,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:34:59,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44681e61-3841-4724-9177-8ee54ca0c867/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:34:59,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44681e61-3841-4724-9177-8ee54ca0c867/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:34:59,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44681e61-3841-4724-9177-8ee54ca0c867/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:34:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:34:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 15:34:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 15:34:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 15:34:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 15:34:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 15:34:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 15:34:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:34:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure cleaner [2024-11-13 15:34:59,751 INFO L138 BoogieDeclarations]: Found implementation of procedure cleaner [2024-11-13 15:34:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 15:34:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-11-13 15:34:59,752 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-11-13 15:34:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:34:59,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:34:59,754 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 15:34:59,950 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:34:59,952 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:35:00,741 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 15:35:00,742 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:35:00,836 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:35:00,836 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-13 15:35:00,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:35:00 BoogieIcfgContainer [2024-11-13 15:35:00,837 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:35:00,844 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:35:00,844 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:35:00,849 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:35:00,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:34:58" (1/3) ... [2024-11-13 15:35:00,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@135dc552 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:35:00, skipping insertion in model container [2024-11-13 15:35:00,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:34:59" (2/3) ... [2024-11-13 15:35:00,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@135dc552 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:35:00, skipping insertion in model container [2024-11-13 15:35:00,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:35:00" (3/3) ... [2024-11-13 15:35:00,854 INFO L112 eAbstractionObserver]: Analyzing ICFG per-thread-array-join-counter-race-3.i [2024-11-13 15:35:00,873 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:35:00,875 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG per-thread-array-join-counter-race-3.i that has 3 procedures, 391 locations, 1 initial locations, 5 loop locations, and 34 error locations. [2024-11-13 15:35:00,875 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 15:35:01,010 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 15:35:01,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 464 places, 473 transitions, 960 flow [2024-11-13 15:35:01,530 INFO L124 PetriNetUnfolderBase]: 21/594 cut-off events. [2024-11-13 15:35:01,534 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 15:35:01,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 605 conditions, 594 events. 21/594 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 927 event pairs, 0 based on Foata normal form. 0/509 useless extension candidates. Maximal degree in co-relation 376. Up to 6 conditions per place. [2024-11-13 15:35:01,554 INFO L82 GeneralOperation]: Start removeDead. Operand has 464 places, 473 transitions, 960 flow [2024-11-13 15:35:01,569 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 396 places, 401 transitions, 812 flow [2024-11-13 15:35:01,582 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:35:01,605 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;@2a250fdf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:35:01,606 INFO L334 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2024-11-13 15:35:01,646 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 15:35:01,649 INFO L124 PetriNetUnfolderBase]: 0/153 cut-off events. [2024-11-13 15:35:01,649 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:35:01,649 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:35:01,650 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 15:35:01,651 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 15:35:01,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:01,659 INFO L85 PathProgramCache]: Analyzing trace with hash 807921331, now seen corresponding path program 1 times [2024-11-13 15:35:01,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:35:01,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054498722] [2024-11-13 15:35:01,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:01,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:35:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:02,300 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 15:35:02,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:35:02,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054498722] [2024-11-13 15:35:02,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054498722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:35:02,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:35:02,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:35:02,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529080607] [2024-11-13 15:35:02,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:35:02,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:35:02,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:35:02,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:35:02,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:35:02,454 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 473 [2024-11-13 15:35:02,464 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 401 transitions, 812 flow. Second operand has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 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 15:35:02,464 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:35:02,464 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 473 [2024-11-13 15:35:02,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:35:04,028 INFO L124 PetriNetUnfolderBase]: 617/3913 cut-off events. [2024-11-13 15:35:04,030 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-13 15:35:04,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4928 conditions, 3913 events. 617/3913 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 29417 event pairs, 482 based on Foata normal form. 127/3442 useless extension candidates. Maximal degree in co-relation 4690. Up to 985 conditions per place. [2024-11-13 15:35:04,097 INFO L140 encePairwiseOnDemand]: 463/473 looper letters, 28 selfloop transitions, 2 changer transitions 1/391 dead transitions. [2024-11-13 15:35:04,097 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 391 transitions, 852 flow [2024-11-13 15:35:04,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:35:04,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:35:04,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1316 transitions. [2024-11-13 15:35:04,142 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9274136715997181 [2024-11-13 15:35:04,144 INFO L175 Difference]: Start difference. First operand has 396 places, 401 transitions, 812 flow. Second operand 3 states and 1316 transitions. [2024-11-13 15:35:04,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 391 transitions, 852 flow [2024-11-13 15:35:04,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 391 transitions, 851 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:35:04,202 INFO L231 Difference]: Finished difference. Result has 393 places, 390 transitions, 793 flow [2024-11-13 15:35:04,208 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=791, PETRI_DIFFERENCE_MINUEND_PLACES=391, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=793, PETRI_PLACES=393, PETRI_TRANSITIONS=390} [2024-11-13 15:35:04,214 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -3 predicate places. [2024-11-13 15:35:04,215 INFO L471 AbstractCegarLoop]: Abstraction has has 393 places, 390 transitions, 793 flow [2024-11-13 15:35:04,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 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 15:35:04,217 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:35:04,217 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 15:35:04,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:35:04,218 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 15:35:04,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:04,220 INFO L85 PathProgramCache]: Analyzing trace with hash 2027750023, now seen corresponding path program 1 times [2024-11-13 15:35:04,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:35:04,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227430693] [2024-11-13 15:35:04,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:04,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:35:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:04,539 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 15:35:04,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:35:04,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227430693] [2024-11-13 15:35:04,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227430693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:35:04,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:35:04,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:35:04,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670539317] [2024-11-13 15:35:04,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:35:04,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:35:04,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:35:04,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:35:04,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:35:04,604 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 473 [2024-11-13 15:35:04,606 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 390 transitions, 793 flow. Second operand has 3 states, 3 states have (on average 417.0) internal successors, (1251), 3 states have internal predecessors, (1251), 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 15:35:04,606 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:35:04,607 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 473 [2024-11-13 15:35:04,607 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:35:06,100 INFO L124 PetriNetUnfolderBase]: 760/4466 cut-off events. [2024-11-13 15:35:06,101 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-11-13 15:35:06,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5680 conditions, 4466 events. 760/4466 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 34686 event pairs, 564 based on Foata normal form. 0/3814 useless extension candidates. Maximal degree in co-relation 5517. Up to 1180 conditions per place. [2024-11-13 15:35:06,141 INFO L140 encePairwiseOnDemand]: 465/473 looper letters, 31 selfloop transitions, 1 changer transitions 0/383 dead transitions. [2024-11-13 15:35:06,141 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 383 transitions, 843 flow [2024-11-13 15:35:06,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:35:06,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:35:06,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1287 transitions. [2024-11-13 15:35:06,146 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9069767441860465 [2024-11-13 15:35:06,146 INFO L175 Difference]: Start difference. First operand has 393 places, 390 transitions, 793 flow. Second operand 3 states and 1287 transitions. [2024-11-13 15:35:06,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 383 transitions, 843 flow [2024-11-13 15:35:06,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 383 transitions, 839 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:35:06,158 INFO L231 Difference]: Finished difference. Result has 385 places, 383 transitions, 777 flow [2024-11-13 15:35:06,158 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=775, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=777, PETRI_PLACES=385, PETRI_TRANSITIONS=383} [2024-11-13 15:35:06,159 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -11 predicate places. [2024-11-13 15:35:06,159 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 383 transitions, 777 flow [2024-11-13 15:35:06,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.0) internal successors, (1251), 3 states have internal predecessors, (1251), 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 15:35:06,162 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:35:06,162 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 15:35:06,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:35:06,163 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 15:35:06,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:06,164 INFO L85 PathProgramCache]: Analyzing trace with hash 247230810, now seen corresponding path program 1 times [2024-11-13 15:35:06,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:35:06,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864580273] [2024-11-13 15:35:06,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:06,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:35:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:06,424 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 15:35:06,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:35:06,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864580273] [2024-11-13 15:35:06,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864580273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:35:06,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:35:06,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:35:06,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134160231] [2024-11-13 15:35:06,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:35:06,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:35:06,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:35:06,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:35:06,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:35:06,474 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 430 out of 473 [2024-11-13 15:35:06,478 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 383 transitions, 777 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 15:35:06,479 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:35:06,479 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 430 of 473 [2024-11-13 15:35:06,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:35:07,679 INFO L124 PetriNetUnfolderBase]: 685/4203 cut-off events. [2024-11-13 15:35:07,679 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2024-11-13 15:35:07,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5325 conditions, 4203 events. 685/4203 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 33182 event pairs, 541 based on Foata normal form. 0/3582 useless extension candidates. Maximal degree in co-relation 5162. Up to 1090 conditions per place. [2024-11-13 15:35:07,721 INFO L140 encePairwiseOnDemand]: 470/473 looper letters, 24 selfloop transitions, 2 changer transitions 0/382 dead transitions. [2024-11-13 15:35:07,721 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 382 transitions, 827 flow [2024-11-13 15:35:07,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:35:07,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:35:07,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1317 transitions. [2024-11-13 15:35:07,725 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9281183932346723 [2024-11-13 15:35:07,726 INFO L175 Difference]: Start difference. First operand has 385 places, 383 transitions, 777 flow. Second operand 3 states and 1317 transitions. [2024-11-13 15:35:07,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 382 transitions, 827 flow [2024-11-13 15:35:07,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 382 transitions, 826 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:35:07,791 INFO L231 Difference]: Finished difference. Result has 385 places, 382 transitions, 778 flow [2024-11-13 15:35:07,791 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, 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 15:35:07,792 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -11 predicate places. [2024-11-13 15:35:07,792 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 382 transitions, 778 flow [2024-11-13 15:35:07,793 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 15:35:07,793 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:35:07,793 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 15:35:07,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:35:07,793 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 15:35:07,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:07,795 INFO L85 PathProgramCache]: Analyzing trace with hash 327301347, now seen corresponding path program 1 times [2024-11-13 15:35:07,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:35:07,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914578267] [2024-11-13 15:35:07,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:07,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:35:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:08,061 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 15:35:08,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:35:08,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914578267] [2024-11-13 15:35:08,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914578267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:35:08,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:35:08,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:35:08,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919107801] [2024-11-13 15:35:08,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:35:08,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:35:08,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:35:08,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:35:08,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:35:08,116 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 473 [2024-11-13 15:35:08,118 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 382 transitions, 778 flow. Second operand has 3 states, 3 states have (on average 430.3333333333333) internal successors, (1291), 3 states have internal predecessors, (1291), 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 15:35:08,118 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:35:08,118 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 473 [2024-11-13 15:35:08,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:35:09,417 INFO L124 PetriNetUnfolderBase]: 835/4388 cut-off events. [2024-11-13 15:35:09,417 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-13 15:35:09,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5686 conditions, 4388 events. 835/4388 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 33625 event pairs, 605 based on Foata normal form. 0/3749 useless extension candidates. Maximal degree in co-relation 5523. Up to 1258 conditions per place. [2024-11-13 15:35:09,611 INFO L140 encePairwiseOnDemand]: 470/473 looper letters, 24 selfloop transitions, 2 changer transitions 0/381 dead transitions. [2024-11-13 15:35:09,611 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 381 transitions, 828 flow [2024-11-13 15:35:09,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:35:09,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:35:09,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1314 transitions. [2024-11-13 15:35:09,615 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9260042283298098 [2024-11-13 15:35:09,615 INFO L175 Difference]: Start difference. First operand has 385 places, 382 transitions, 778 flow. Second operand 3 states and 1314 transitions. [2024-11-13 15:35:09,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 381 transitions, 828 flow [2024-11-13 15:35:09,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 381 transitions, 824 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:35:09,622 INFO L231 Difference]: Finished difference. Result has 384 places, 381 transitions, 776 flow [2024-11-13 15:35:09,623 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=772, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=776, PETRI_PLACES=384, PETRI_TRANSITIONS=381} [2024-11-13 15:35:09,623 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -12 predicate places. [2024-11-13 15:35:09,624 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 381 transitions, 776 flow [2024-11-13 15:35:09,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 430.3333333333333) internal successors, (1291), 3 states have internal predecessors, (1291), 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 15:35:09,625 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:35:09,626 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 15:35:09,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:35:09,626 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 15:35:09,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:09,627 INFO L85 PathProgramCache]: Analyzing trace with hash -725960008, now seen corresponding path program 1 times [2024-11-13 15:35:09,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:35:09,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144198409] [2024-11-13 15:35:09,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:09,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:35:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:09,791 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 15:35:09,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:35:09,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144198409] [2024-11-13 15:35:09,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144198409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:35:09,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:35:09,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:35:09,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420184102] [2024-11-13 15:35:09,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:35:09,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:35:09,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:35:09,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:35:09,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:35:09,854 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 427 out of 473 [2024-11-13 15:35:09,856 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 381 transitions, 776 flow. Second operand has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 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 15:35:09,856 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:35:09,856 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 427 of 473 [2024-11-13 15:35:09,856 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:35:10,943 INFO L124 PetriNetUnfolderBase]: 991/4621 cut-off events. [2024-11-13 15:35:10,943 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-11-13 15:35:10,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6138 conditions, 4621 events. 991/4621 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 36096 event pairs, 713 based on Foata normal form. 0/3956 useless extension candidates. Maximal degree in co-relation 5975. Up to 1475 conditions per place. [2024-11-13 15:35:10,983 INFO L140 encePairwiseOnDemand]: 470/473 looper letters, 26 selfloop transitions, 2 changer transitions 0/380 dead transitions. [2024-11-13 15:35:10,983 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 380 transitions, 830 flow [2024-11-13 15:35:10,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:35:10,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:35:10,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1310 transitions. [2024-11-13 15:35:10,987 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.923185341789993 [2024-11-13 15:35:10,988 INFO L175 Difference]: Start difference. First operand has 384 places, 381 transitions, 776 flow. Second operand 3 states and 1310 transitions. [2024-11-13 15:35:10,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 380 transitions, 830 flow [2024-11-13 15:35:10,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 380 transitions, 826 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:35:10,995 INFO L231 Difference]: Finished difference. Result has 383 places, 380 transitions, 774 flow [2024-11-13 15:35:10,995 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=774, PETRI_PLACES=383, PETRI_TRANSITIONS=380} [2024-11-13 15:35:10,996 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -13 predicate places. [2024-11-13 15:35:10,996 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 380 transitions, 774 flow [2024-11-13 15:35:10,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 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 15:35:10,997 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:35:10,998 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 15:35:10,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 15:35:10,998 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 15:35:10,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:10,999 INFO L85 PathProgramCache]: Analyzing trace with hash 357727915, now seen corresponding path program 1 times [2024-11-13 15:35:10,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:35:10,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362992683] [2024-11-13 15:35:10,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:10,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:35:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:11,160 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 15:35:11,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:35:11,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362992683] [2024-11-13 15:35:11,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362992683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:35:11,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:35:11,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:35:11,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720825492] [2024-11-13 15:35:11,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:35:11,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:35:11,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:35:11,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:35:11,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:35:11,207 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 473 [2024-11-13 15:35:11,209 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 380 transitions, 774 flow. Second operand has 3 states, 3 states have (on average 420.0) internal successors, (1260), 3 states have internal predecessors, (1260), 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 15:35:11,209 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:35:11,209 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 473 [2024-11-13 15:35:11,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:35:12,218 INFO L124 PetriNetUnfolderBase]: 1451/5138 cut-off events. [2024-11-13 15:35:12,218 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2024-11-13 15:35:12,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7332 conditions, 5138 events. 1451/5138 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 39174 event pairs, 507 based on Foata normal form. 0/4553 useless extension candidates. Maximal degree in co-relation 7170. Up to 2100 conditions per place. [2024-11-13 15:35:12,264 INFO L140 encePairwiseOnDemand]: 465/473 looper letters, 38 selfloop transitions, 3 changer transitions 0/388 dead transitions. [2024-11-13 15:35:12,264 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 388 transitions, 877 flow [2024-11-13 15:35:12,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:35:12,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:35:12,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1303 transitions. [2024-11-13 15:35:12,268 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9182522903453136 [2024-11-13 15:35:12,269 INFO L175 Difference]: Start difference. First operand has 383 places, 380 transitions, 774 flow. Second operand 3 states and 1303 transitions. [2024-11-13 15:35:12,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 388 transitions, 877 flow [2024-11-13 15:35:12,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 388 transitions, 873 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:35:12,276 INFO L231 Difference]: Finished difference. Result has 379 places, 378 transitions, 781 flow [2024-11-13 15:35:12,277 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=760, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=781, PETRI_PLACES=379, PETRI_TRANSITIONS=378} [2024-11-13 15:35:12,278 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -17 predicate places. [2024-11-13 15:35:12,278 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 378 transitions, 781 flow [2024-11-13 15:35:12,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 420.0) internal successors, (1260), 3 states have internal predecessors, (1260), 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 15:35:12,280 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:35:12,280 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 15:35:12,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 15:35:12,280 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 15:35:12,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:12,281 INFO L85 PathProgramCache]: Analyzing trace with hash 78504788, now seen corresponding path program 1 times [2024-11-13 15:35:12,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:35:12,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569213121] [2024-11-13 15:35:12,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:12,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:35:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:12,407 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 15:35:12,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:35:12,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569213121] [2024-11-13 15:35:12,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569213121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:35:12,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:35:12,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:35:12,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574243576] [2024-11-13 15:35:12,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:35:12,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:35:12,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:35:12,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:35:12,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:35:12,436 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 473 [2024-11-13 15:35:12,437 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 378 transitions, 781 flow. Second operand has 3 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 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 15:35:12,438 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:35:12,438 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 473 [2024-11-13 15:35:12,438 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:35:13,756 INFO L124 PetriNetUnfolderBase]: 958/5591 cut-off events. [2024-11-13 15:35:13,756 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2024-11-13 15:35:13,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7272 conditions, 5591 events. 958/5591 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 48093 event pairs, 625 based on Foata normal form. 0/4965 useless extension candidates. Maximal degree in co-relation 7110. Up to 1485 conditions per place. [2024-11-13 15:35:13,793 INFO L140 encePairwiseOnDemand]: 467/473 looper letters, 30 selfloop transitions, 3 changer transitions 0/384 dead transitions. [2024-11-13 15:35:13,793 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 384 transitions, 859 flow [2024-11-13 15:35:13,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:35:13,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:35:13,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1320 transitions. [2024-11-13 15:35:13,798 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9302325581395349 [2024-11-13 15:35:13,798 INFO L175 Difference]: Start difference. First operand has 379 places, 378 transitions, 781 flow. Second operand 3 states and 1320 transitions. [2024-11-13 15:35:13,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 384 transitions, 859 flow [2024-11-13 15:35:13,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 384 transitions, 859 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:35:13,806 INFO L231 Difference]: Finished difference. Result has 379 places, 378 transitions, 796 flow [2024-11-13 15:35:13,807 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=775, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=796, PETRI_PLACES=379, PETRI_TRANSITIONS=378} [2024-11-13 15:35:13,809 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -17 predicate places. [2024-11-13 15:35:13,809 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 378 transitions, 796 flow [2024-11-13 15:35:13,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 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 15:35:13,811 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:35:13,811 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 15:35:13,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 15:35:13,811 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 15:35:13,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:13,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1832643803, now seen corresponding path program 1 times [2024-11-13 15:35:13,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:35:13,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076099939] [2024-11-13 15:35:13,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:13,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:35:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:13,960 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 15:35:13,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:35:13,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076099939] [2024-11-13 15:35:13,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076099939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:35:13,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:35:13,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:35:13,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034964734] [2024-11-13 15:35:13,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:35:13,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:35:13,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:35:13,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:35:13,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:35:14,017 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 473 [2024-11-13 15:35:14,019 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 378 transitions, 796 flow. Second operand has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 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 15:35:14,020 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:35:14,020 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 473 [2024-11-13 15:35:14,020 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:35:15,789 INFO L124 PetriNetUnfolderBase]: 1809/8552 cut-off events. [2024-11-13 15:35:15,789 INFO L125 PetriNetUnfolderBase]: For 81/81 co-relation queries the response was YES. [2024-11-13 15:35:15,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11631 conditions, 8552 events. 1809/8552 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 75963 event pairs, 655 based on Foata normal form. 0/7385 useless extension candidates. Maximal degree in co-relation 11468. Up to 1443 conditions per place. [2024-11-13 15:35:15,836 INFO L140 encePairwiseOnDemand]: 462/473 looper letters, 44 selfloop transitions, 8 changer transitions 0/402 dead transitions. [2024-11-13 15:35:15,836 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 402 transitions, 954 flow [2024-11-13 15:35:15,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:35:15,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:35:15,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1333 transitions. [2024-11-13 15:35:15,840 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9393939393939394 [2024-11-13 15:35:15,840 INFO L175 Difference]: Start difference. First operand has 379 places, 378 transitions, 796 flow. Second operand 3 states and 1333 transitions. [2024-11-13 15:35:15,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 402 transitions, 954 flow [2024-11-13 15:35:15,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 402 transitions, 954 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:35:15,848 INFO L231 Difference]: Finished difference. Result has 383 places, 386 transitions, 866 flow [2024-11-13 15:35:15,849 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=796, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=866, PETRI_PLACES=383, PETRI_TRANSITIONS=386} [2024-11-13 15:35:15,849 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -13 predicate places. [2024-11-13 15:35:15,849 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 386 transitions, 866 flow [2024-11-13 15:35:15,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 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 15:35:15,851 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:35:15,851 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 15:35:15,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 15:35:15,851 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 15:35:15,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:15,852 INFO L85 PathProgramCache]: Analyzing trace with hash 2014109868, now seen corresponding path program 1 times [2024-11-13 15:35:15,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:35:15,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41799841] [2024-11-13 15:35:15,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:15,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:35:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:15,993 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 15:35:15,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:35:15,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41799841] [2024-11-13 15:35:15,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41799841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:35:15,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:35:15,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:35:15,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281904589] [2024-11-13 15:35:15,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:35:15,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:35:15,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:35:15,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:35:15,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:35:16,029 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 425 out of 473 [2024-11-13 15:35:16,031 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 386 transitions, 866 flow. Second operand has 3 states, 3 states have (on average 426.6666666666667) internal successors, (1280), 3 states have internal predecessors, (1280), 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 15:35:16,031 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:35:16,031 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 425 of 473 [2024-11-13 15:35:16,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:35:18,365 INFO L124 PetriNetUnfolderBase]: 2111/10698 cut-off events. [2024-11-13 15:35:18,366 INFO L125 PetriNetUnfolderBase]: For 157/165 co-relation queries the response was YES. [2024-11-13 15:35:18,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14515 conditions, 10698 events. 2111/10698 cut-off events. For 157/165 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 101992 event pairs, 1244 based on Foata normal form. 0/9595 useless extension candidates. Maximal degree in co-relation 14350. Up to 2835 conditions per place. [2024-11-13 15:35:18,427 INFO L140 encePairwiseOnDemand]: 468/473 looper letters, 35 selfloop transitions, 2 changer transitions 0/396 dead transitions. [2024-11-13 15:35:18,427 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 396 transitions, 963 flow [2024-11-13 15:35:18,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:35:18,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:35:18,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1315 transitions. [2024-11-13 15:35:18,432 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9267089499647639 [2024-11-13 15:35:18,432 INFO L175 Difference]: Start difference. First operand has 383 places, 386 transitions, 866 flow. Second operand 3 states and 1315 transitions. [2024-11-13 15:35:18,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 396 transitions, 963 flow [2024-11-13 15:35:18,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 396 transitions, 947 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:35:18,444 INFO L231 Difference]: Finished difference. Result has 381 places, 385 transitions, 858 flow [2024-11-13 15:35:18,445 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=844, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=858, PETRI_PLACES=381, PETRI_TRANSITIONS=385} [2024-11-13 15:35:18,446 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -15 predicate places. [2024-11-13 15:35:18,447 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 385 transitions, 858 flow [2024-11-13 15:35:18,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 426.6666666666667) internal successors, (1280), 3 states have internal predecessors, (1280), 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 15:35:18,448 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:35:18,448 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 15:35:18,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 15:35:18,448 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 15:35:18,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:18,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1654904789, now seen corresponding path program 1 times [2024-11-13 15:35:18,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:35:18,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054878981] [2024-11-13 15:35:18,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:18,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:35:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:18,900 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 15:35:18,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:35:18,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054878981] [2024-11-13 15:35:18,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054878981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:35:18,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:35:18,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:35:18,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884143249] [2024-11-13 15:35:18,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:35:18,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:35:18,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:35:18,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:35:18,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:35:19,032 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 473 [2024-11-13 15:35:19,034 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 385 transitions, 858 flow. Second operand has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 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 15:35:19,034 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:35:19,034 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 473 [2024-11-13 15:35:19,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:35:23,118 INFO L124 PetriNetUnfolderBase]: 4584/20450 cut-off events. [2024-11-13 15:35:23,118 INFO L125 PetriNetUnfolderBase]: For 151/151 co-relation queries the response was YES. [2024-11-13 15:35:23,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29176 conditions, 20450 events. 4584/20450 cut-off events. For 151/151 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 219819 event pairs, 2480 based on Foata normal form. 0/18504 useless extension candidates. Maximal degree in co-relation 29010. Up to 5342 conditions per place. [2024-11-13 15:35:23,250 INFO L140 encePairwiseOnDemand]: 463/473 looper letters, 45 selfloop transitions, 9 changer transitions 0/408 dead transitions. [2024-11-13 15:35:23,250 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 408 transitions, 1018 flow [2024-11-13 15:35:23,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:35:23,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:35:23,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1333 transitions. [2024-11-13 15:35:23,256 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9393939393939394 [2024-11-13 15:35:23,256 INFO L175 Difference]: Start difference. First operand has 381 places, 385 transitions, 858 flow. Second operand 3 states and 1333 transitions. [2024-11-13 15:35:23,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 408 transitions, 1018 flow [2024-11-13 15:35:23,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 408 transitions, 1018 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:35:23,268 INFO L231 Difference]: Finished difference. Result has 385 places, 393 transitions, 928 flow [2024-11-13 15:35:23,269 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=928, PETRI_PLACES=385, PETRI_TRANSITIONS=393} [2024-11-13 15:35:23,270 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -11 predicate places. [2024-11-13 15:35:23,270 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 393 transitions, 928 flow [2024-11-13 15:35:23,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 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 15:35:23,271 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:35:23,272 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 15:35:23,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 15:35:23,272 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 15:35:23,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:23,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1108562701, now seen corresponding path program 1 times [2024-11-13 15:35:23,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:35:23,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842056351] [2024-11-13 15:35:23,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:23,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:35:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:23,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:35:23,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:35:23,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842056351] [2024-11-13 15:35:23,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842056351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:35:23,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:35:23,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:35:23,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548772025] [2024-11-13 15:35:23,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:35:23,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:35:23,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:35:23,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:35:23,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:35:23,753 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 473 [2024-11-13 15:35:23,756 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 393 transitions, 928 flow. Second operand has 5 states, 5 states have (on average 430.8) internal successors, (2154), 5 states have internal predecessors, (2154), 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 15:35:23,757 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:35:23,757 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 473 [2024-11-13 15:35:23,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:35:26,951 INFO L124 PetriNetUnfolderBase]: 2538/15334 cut-off events. [2024-11-13 15:35:26,951 INFO L125 PetriNetUnfolderBase]: For 521/585 co-relation queries the response was YES. [2024-11-13 15:35:27,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21658 conditions, 15334 events. 2538/15334 cut-off events. For 521/585 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 166070 event pairs, 1887 based on Foata normal form. 4/13905 useless extension candidates. Maximal degree in co-relation 21488. Up to 3397 conditions per place. [2024-11-13 15:35:27,038 INFO L140 encePairwiseOnDemand]: 464/473 looper letters, 36 selfloop transitions, 8 changer transitions 0/407 dead transitions. [2024-11-13 15:35:27,038 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 407 transitions, 1043 flow [2024-11-13 15:35:27,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:35:27,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 15:35:27,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2619 transitions. [2024-11-13 15:35:27,043 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9228329809725159 [2024-11-13 15:35:27,043 INFO L175 Difference]: Start difference. First operand has 385 places, 393 transitions, 928 flow. Second operand 6 states and 2619 transitions. [2024-11-13 15:35:27,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 407 transitions, 1043 flow [2024-11-13 15:35:27,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 407 transitions, 1025 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:35:27,059 INFO L231 Difference]: Finished difference. Result has 392 places, 397 transitions, 955 flow [2024-11-13 15:35:27,060 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=905, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=392, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=955, PETRI_PLACES=392, PETRI_TRANSITIONS=397} [2024-11-13 15:35:27,060 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -4 predicate places. [2024-11-13 15:35:27,060 INFO L471 AbstractCegarLoop]: Abstraction has has 392 places, 397 transitions, 955 flow [2024-11-13 15:35:27,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 430.8) internal successors, (2154), 5 states have internal predecessors, (2154), 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 15:35:27,062 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:35:27,062 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 15:35:27,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 15:35:27,063 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 15:35:27,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:27,063 INFO L85 PathProgramCache]: Analyzing trace with hash 219830296, now seen corresponding path program 1 times [2024-11-13 15:35:27,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:35:27,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212911974] [2024-11-13 15:35:27,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:27,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:35:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:27,188 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 15:35:27,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:35:27,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212911974] [2024-11-13 15:35:27,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212911974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:35:27,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:35:27,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:35:27,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612714099] [2024-11-13 15:35:27,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:35:27,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:35:27,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:35:27,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:35:27,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:35:27,203 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 437 out of 473 [2024-11-13 15:35:27,205 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 397 transitions, 955 flow. Second operand has 3 states, 3 states have (on average 438.6666666666667) internal successors, (1316), 3 states have internal predecessors, (1316), 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 15:35:27,205 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:35:27,206 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 437 of 473 [2024-11-13 15:35:27,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:35:31,496 INFO L124 PetriNetUnfolderBase]: 3409/17522 cut-off events. [2024-11-13 15:35:31,496 INFO L125 PetriNetUnfolderBase]: For 225/256 co-relation queries the response was YES. [2024-11-13 15:35:31,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25084 conditions, 17522 events. 3409/17522 cut-off events. For 225/256 co-relation queries the response was YES. Maximal size of possible extension queue 273. Compared 191591 event pairs, 1915 based on Foata normal form. 2/15577 useless extension candidates. Maximal degree in co-relation 24910. Up to 3412 conditions per place. [2024-11-13 15:35:31,607 INFO L140 encePairwiseOnDemand]: 469/473 looper letters, 29 selfloop transitions, 3 changer transitions 0/408 dead transitions. [2024-11-13 15:35:31,607 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 408 transitions, 1044 flow [2024-11-13 15:35:31,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:35:31,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:35:31,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1344 transitions. [2024-11-13 15:35:31,610 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9471458773784355 [2024-11-13 15:35:31,610 INFO L175 Difference]: Start difference. First operand has 392 places, 397 transitions, 955 flow. Second operand 3 states and 1344 transitions. [2024-11-13 15:35:31,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 408 transitions, 1044 flow [2024-11-13 15:35:31,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 408 transitions, 1040 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:35:31,620 INFO L231 Difference]: Finished difference. Result has 395 places, 399 transitions, 973 flow [2024-11-13 15:35:31,621 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=951, PETRI_DIFFERENCE_MINUEND_PLACES=391, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=973, PETRI_PLACES=395, PETRI_TRANSITIONS=399} [2024-11-13 15:35:31,622 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, -1 predicate places. [2024-11-13 15:35:31,622 INFO L471 AbstractCegarLoop]: Abstraction has has 395 places, 399 transitions, 973 flow [2024-11-13 15:35:31,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 438.6666666666667) internal successors, (1316), 3 states have internal predecessors, (1316), 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 15:35:31,623 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:35:31,623 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 15:35:31,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 15:35:31,624 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 15:35:31,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:31,624 INFO L85 PathProgramCache]: Analyzing trace with hash 88446849, now seen corresponding path program 1 times [2024-11-13 15:35:31,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:35:31,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230223011] [2024-11-13 15:35:31,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:31,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:35:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:31,885 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 15:35:31,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:35:31,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230223011] [2024-11-13 15:35:31,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230223011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:35:31,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:35:31,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:35:31,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679591350] [2024-11-13 15:35:31,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:35:31,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:35:31,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:35:31,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:35:31,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:35:32,019 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 473 [2024-11-13 15:35:32,022 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 399 transitions, 973 flow. Second operand has 5 states, 5 states have (on average 431.0) internal successors, (2155), 5 states have internal predecessors, (2155), 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 15:35:32,023 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:35:32,023 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 473 [2024-11-13 15:35:32,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:35:36,103 INFO L124 PetriNetUnfolderBase]: 3863/20062 cut-off events. [2024-11-13 15:35:36,103 INFO L125 PetriNetUnfolderBase]: For 761/793 co-relation queries the response was YES. [2024-11-13 15:35:36,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29461 conditions, 20062 events. 3863/20062 cut-off events. For 761/793 co-relation queries the response was YES. Maximal size of possible extension queue 265. Compared 223551 event pairs, 2588 based on Foata normal form. 6/18274 useless extension candidates. Maximal degree in co-relation 29284. Up to 5213 conditions per place. [2024-11-13 15:35:36,220 INFO L140 encePairwiseOnDemand]: 464/473 looper letters, 27 selfloop transitions, 4 changer transitions 17/411 dead transitions. [2024-11-13 15:35:36,220 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 411 transitions, 1088 flow [2024-11-13 15:35:36,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:35:36,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 15:35:36,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2620 transitions. [2024-11-13 15:35:36,224 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.923185341789993 [2024-11-13 15:35:36,224 INFO L175 Difference]: Start difference. First operand has 395 places, 399 transitions, 973 flow. Second operand 6 states and 2620 transitions. [2024-11-13 15:35:36,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 411 transitions, 1088 flow [2024-11-13 15:35:36,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 411 transitions, 1082 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:35:36,241 INFO L231 Difference]: Finished difference. Result has 400 places, 394 transitions, 954 flow [2024-11-13 15:35:36,242 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=962, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=954, PETRI_PLACES=400, PETRI_TRANSITIONS=394} [2024-11-13 15:35:36,242 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, 4 predicate places. [2024-11-13 15:35:36,243 INFO L471 AbstractCegarLoop]: Abstraction has has 400 places, 394 transitions, 954 flow [2024-11-13 15:35:36,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 431.0) internal successors, (2155), 5 states have internal predecessors, (2155), 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 15:35:36,244 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:35:36,245 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 15:35:36,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 15:35:36,245 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 15:35:36,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:36,245 INFO L85 PathProgramCache]: Analyzing trace with hash 103723809, now seen corresponding path program 1 times [2024-11-13 15:35:36,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:35:36,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040981137] [2024-11-13 15:35:36,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:36,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:35:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:37,502 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 15:35:37,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:35:37,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040981137] [2024-11-13 15:35:37,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040981137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:35:37,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:35:37,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:35:37,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938193615] [2024-11-13 15:35:37,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:35:37,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:35:37,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:35:37,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:35:37,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:35:37,935 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 473 [2024-11-13 15:35:37,939 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 394 transitions, 954 flow. Second operand has 6 states, 6 states have (on average 414.8333333333333) internal successors, (2489), 6 states have internal predecessors, (2489), 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 15:35:37,939 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:35:37,939 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 473 [2024-11-13 15:35:37,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:35:44,802 INFO L124 PetriNetUnfolderBase]: 9082/31776 cut-off events. [2024-11-13 15:35:44,802 INFO L125 PetriNetUnfolderBase]: For 2421/2539 co-relation queries the response was YES. [2024-11-13 15:35:44,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53108 conditions, 31776 events. 9082/31776 cut-off events. For 2421/2539 co-relation queries the response was YES. Maximal size of possible extension queue 597. Compared 355390 event pairs, 3937 based on Foata normal form. 1/28849 useless extension candidates. Maximal degree in co-relation 52927. Up to 11134 conditions per place. [2024-11-13 15:35:45,051 INFO L140 encePairwiseOnDemand]: 459/473 looper letters, 95 selfloop transitions, 46 changer transitions 0/490 dead transitions. [2024-11-13 15:35:45,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 490 transitions, 1510 flow [2024-11-13 15:35:45,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:35:45,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 15:35:45,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2603 transitions. [2024-11-13 15:35:45,058 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9171952078928823 [2024-11-13 15:35:45,059 INFO L175 Difference]: Start difference. First operand has 400 places, 394 transitions, 954 flow. Second operand 6 states and 2603 transitions. [2024-11-13 15:35:45,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 490 transitions, 1510 flow [2024-11-13 15:35:45,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 392 places, 490 transitions, 1482 flow, removed 7 selfloop flow, removed 9 redundant places. [2024-11-13 15:35:45,096 INFO L231 Difference]: Finished difference. Result has 396 places, 439 transitions, 1261 flow [2024-11-13 15:35:45,097 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=926, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1261, PETRI_PLACES=396, PETRI_TRANSITIONS=439} [2024-11-13 15:35:45,097 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, 0 predicate places. [2024-11-13 15:35:45,097 INFO L471 AbstractCegarLoop]: Abstraction has has 396 places, 439 transitions, 1261 flow [2024-11-13 15:35:45,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 414.8333333333333) internal successors, (2489), 6 states have internal predecessors, (2489), 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 15:35:45,099 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:35:45,100 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 15:35:45,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 15:35:45,100 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 15:35:45,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:45,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1118198891, now seen corresponding path program 1 times [2024-11-13 15:35:45,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:35:45,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860647510] [2024-11-13 15:35:45,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:45,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:35:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:45,691 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 15:35:45,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:35:45,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860647510] [2024-11-13 15:35:45,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860647510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:35:45,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:35:45,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:35:45,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712763503] [2024-11-13 15:35:45,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:35:45,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:35:45,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:35:45,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:35:45,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:35:46,455 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 473 [2024-11-13 15:35:46,458 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 439 transitions, 1261 flow. Second operand has 7 states, 7 states have (on average 424.0) internal successors, (2968), 7 states have internal predecessors, (2968), 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 15:35:46,458 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:35:46,459 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 473 [2024-11-13 15:35:46,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:35:54,975 INFO L124 PetriNetUnfolderBase]: 9764/40623 cut-off events. [2024-11-13 15:35:54,975 INFO L125 PetriNetUnfolderBase]: For 3920/6021 co-relation queries the response was YES. [2024-11-13 15:35:55,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67643 conditions, 40623 events. 9764/40623 cut-off events. For 3920/6021 co-relation queries the response was YES. Maximal size of possible extension queue 628. Compared 499100 event pairs, 4575 based on Foata normal form. 257/36714 useless extension candidates. Maximal degree in co-relation 67468. Up to 10939 conditions per place. [2024-11-13 15:35:55,463 INFO L140 encePairwiseOnDemand]: 461/473 looper letters, 64 selfloop transitions, 14 changer transitions 10/488 dead transitions. [2024-11-13 15:35:55,463 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 488 transitions, 1540 flow [2024-11-13 15:35:55,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 15:35:55,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-13 15:35:55,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 4308 transitions. [2024-11-13 15:35:55,469 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9107822410147992 [2024-11-13 15:35:55,469 INFO L175 Difference]: Start difference. First operand has 396 places, 439 transitions, 1261 flow. Second operand 10 states and 4308 transitions. [2024-11-13 15:35:55,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 488 transitions, 1540 flow [2024-11-13 15:35:55,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 488 transitions, 1540 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:35:55,494 INFO L231 Difference]: Finished difference. Result has 409 places, 446 transitions, 1328 flow [2024-11-13 15:35:55,495 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=1256, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1328, PETRI_PLACES=409, PETRI_TRANSITIONS=446} [2024-11-13 15:35:55,496 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, 13 predicate places. [2024-11-13 15:35:55,496 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 446 transitions, 1328 flow [2024-11-13 15:35:55,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 424.0) internal successors, (2968), 7 states have internal predecessors, (2968), 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 15:35:55,497 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:35:55,498 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 15:35:55,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 15:35:55,498 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 15:35:55,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:35:55,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1731634471, now seen corresponding path program 1 times [2024-11-13 15:35:55,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:35:55,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617671069] [2024-11-13 15:35:55,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:35:55,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:35:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:35:56,043 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 15:35:56,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:35:56,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617671069] [2024-11-13 15:35:56,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617671069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:35:56,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:35:56,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:35:56,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131371371] [2024-11-13 15:35:56,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:35:56,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:35:56,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:35:56,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:35:56,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:35:56,727 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 417 out of 473 [2024-11-13 15:35:56,730 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 446 transitions, 1328 flow. Second operand has 8 states, 8 states have (on average 418.875) internal successors, (3351), 8 states have internal predecessors, (3351), 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 15:35:56,730 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:35:56,730 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 417 of 473 [2024-11-13 15:35:56,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:36:06,807 INFO L124 PetriNetUnfolderBase]: 11533/46282 cut-off events. [2024-11-13 15:36:06,807 INFO L125 PetriNetUnfolderBase]: For 15901/17768 co-relation queries the response was YES. [2024-11-13 15:36:07,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86510 conditions, 46282 events. 11533/46282 cut-off events. For 15901/17768 co-relation queries the response was YES. Maximal size of possible extension queue 637. Compared 568490 event pairs, 4007 based on Foata normal form. 118/42588 useless extension candidates. Maximal degree in co-relation 86329. Up to 8375 conditions per place. [2024-11-13 15:36:07,177 INFO L140 encePairwiseOnDemand]: 460/473 looper letters, 101 selfloop transitions, 44 changer transitions 0/516 dead transitions. [2024-11-13 15:36:07,177 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 516 transitions, 1910 flow [2024-11-13 15:36:07,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 15:36:07,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-13 15:36:07,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4683 transitions. [2024-11-13 15:36:07,187 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9000576590428598 [2024-11-13 15:36:07,187 INFO L175 Difference]: Start difference. First operand has 409 places, 446 transitions, 1328 flow. Second operand 11 states and 4683 transitions. [2024-11-13 15:36:07,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 516 transitions, 1910 flow [2024-11-13 15:36:07,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 415 places, 516 transitions, 1902 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-13 15:36:07,237 INFO L231 Difference]: Finished difference. Result has 419 places, 467 transitions, 1645 flow [2024-11-13 15:36:07,238 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=1320, PETRI_DIFFERENCE_MINUEND_PLACES=405, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1645, PETRI_PLACES=419, PETRI_TRANSITIONS=467} [2024-11-13 15:36:07,238 INFO L277 CegarLoopForPetriNet]: 396 programPoint places, 23 predicate places. [2024-11-13 15:36:07,239 INFO L471 AbstractCegarLoop]: Abstraction has has 419 places, 467 transitions, 1645 flow [2024-11-13 15:36:07,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 418.875) internal successors, (3351), 8 states have internal predecessors, (3351), 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 15:36:07,240 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:36:07,240 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 15:36:07,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 15:36:07,240 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-13 15:36:07,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:36:07,241 INFO L85 PathProgramCache]: Analyzing trace with hash -805580035, now seen corresponding path program 1 times [2024-11-13 15:36:07,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:36:07,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179627088] [2024-11-13 15:36:07,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:36:07,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:36:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:36:07,386 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 15:36:07,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:36:07,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179627088] [2024-11-13 15:36:07,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179627088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:36:07,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:36:07,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:36:07,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425964726] [2024-11-13 15:36:07,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:36:07,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:36:07,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:36:07,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:36:07,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:36:07,403 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 473 [2024-11-13 15:36:07,404 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 467 transitions, 1645 flow. Second operand has 3 states, 3 states have (on average 437.0) internal successors, (1311), 3 states have internal predecessors, (1311), 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 15:36:07,405 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:36:07,405 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 473 [2024-11-13 15:36:07,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand