./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c --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_93e4448c-1198-4aab-af69-eb276ab08a22/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e4448c-1198-4aab-af69-eb276ab08a22/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_93e4448c-1198-4aab-af69-eb276ab08a22/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e4448c-1198-4aab-af69-eb276ab08a22/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e4448c-1198-4aab-af69-eb276ab08a22/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_93e4448c-1198-4aab-af69-eb276ab08a22/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 69f7b2e4777088b02df05d348ae0a210dcd9618a97428b10acd3ef63d9199610 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:19:45,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:19:45,500 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e4448c-1198-4aab-af69-eb276ab08a22/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 13:19:45,510 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:19:45,513 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:19:45,564 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:19:45,565 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:19:45,566 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:19:45,566 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:19:45,567 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:19:45,568 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:19:45,569 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:19:45,570 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:19:45,570 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:19:45,570 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:19:45,570 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:19:45,570 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:19:45,570 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:19:45,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:19:45,570 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:19:45,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:19:45,571 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:19:45,571 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 13:19:45,571 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:19:45,571 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:19:45,571 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:19:45,571 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:19:45,571 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:19:45,571 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:19:45,571 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:19:45,571 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:19:45,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:19:45,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:19:45,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:19:45,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:19:45,572 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:19:45,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:19:45,572 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:19:45,572 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:19:45,572 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:19:45,572 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:19:45,573 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_93e4448c-1198-4aab-af69-eb276ab08a22/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 -> 69f7b2e4777088b02df05d348ae0a210dcd9618a97428b10acd3ef63d9199610 [2024-11-13 13:19:45,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:19:45,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:19:45,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:19:45,955 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:19:45,956 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:19:45,957 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e4448c-1198-4aab-af69-eb276ab08a22/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c Unable to find full path for "g++" [2024-11-13 13:19:48,285 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:19:48,574 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:19:48,575 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e4448c-1198-4aab-af69-eb276ab08a22/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c [2024-11-13 13:19:48,588 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e4448c-1198-4aab-af69-eb276ab08a22/bin/uautomizer-verify-qhAvR1uOyd/data/8ac289b88/73c9ba2b7f4347a4802c0fe91883bd0a/FLAGd1db66640 [2024-11-13 13:19:48,609 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e4448c-1198-4aab-af69-eb276ab08a22/bin/uautomizer-verify-qhAvR1uOyd/data/8ac289b88/73c9ba2b7f4347a4802c0fe91883bd0a [2024-11-13 13:19:48,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:19:48,614 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:19:48,616 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:19:48,616 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:19:48,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:19:48,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:19:48" (1/1) ... [2024-11-13 13:19:48,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dfd43bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:48, skipping insertion in model container [2024-11-13 13:19:48,628 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:19:48" (1/1) ... [2024-11-13 13:19:48,659 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:19:49,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:19:49,029 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:19:49,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:19:49,096 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:19:49,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:49 WrapperNode [2024-11-13 13:19:49,097 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:19:49,099 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:19:49,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:19:49,099 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:19:49,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:49" (1/1) ... [2024-11-13 13:19:49,130 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:49" (1/1) ... [2024-11-13 13:19:49,186 INFO L138 Inliner]: procedures = 23, calls = 36, calls flagged for inlining = 12, calls inlined = 14, statements flattened = 403 [2024-11-13 13:19:49,187 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:19:49,188 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:19:49,188 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:19:49,188 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:19:49,198 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:49" (1/1) ... [2024-11-13 13:19:49,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:49" (1/1) ... [2024-11-13 13:19:49,207 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:49" (1/1) ... [2024-11-13 13:19:49,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:49" (1/1) ... [2024-11-13 13:19:49,246 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:49" (1/1) ... [2024-11-13 13:19:49,255 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:49" (1/1) ... [2024-11-13 13:19:49,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:49" (1/1) ... [2024-11-13 13:19:49,260 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:49" (1/1) ... [2024-11-13 13:19:49,264 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:19:49,266 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:19:49,266 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:19:49,266 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:19:49,267 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:49" (1/1) ... [2024-11-13 13:19:49,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:19:49,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e4448c-1198-4aab-af69-eb276ab08a22/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:19:49,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e4448c-1198-4aab-af69-eb276ab08a22/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:19:49,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e4448c-1198-4aab-af69-eb276ab08a22/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:19:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:19:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 13:19:49,358 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 13:19:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 13:19:49,358 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 13:19:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 13:19:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 13:19:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 13:19:49,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 13:19:49,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 13:19:49,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:19:49,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:19:49,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 13:19:49,362 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 13:19:49,525 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:19:49,528 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:19:50,528 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 13:19:50,529 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:19:51,061 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:19:51,064 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 13:19:51,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:19:51 BoogieIcfgContainer [2024-11-13 13:19:51,065 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:19:51,071 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:19:51,071 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:19:51,079 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:19:51,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:19:48" (1/3) ... [2024-11-13 13:19:51,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bef82d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:19:51, skipping insertion in model container [2024-11-13 13:19:51,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:49" (2/3) ... [2024-11-13 13:19:51,082 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bef82d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:19:51, skipping insertion in model container [2024-11-13 13:19:51,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:19:51" (3/3) ... [2024-11-13 13:19:51,085 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-inc-subseq.wvr.c [2024-11-13 13:19:51,111 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:19:51,113 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-inc-subseq.wvr.c that has 3 procedures, 358 locations, 1 initial locations, 4 loop locations, and 67 error locations. [2024-11-13 13:19:51,114 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 13:19:51,356 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 13:19:51,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 364 places, 373 transitions, 760 flow [2024-11-13 13:19:51,686 INFO L124 PetriNetUnfolderBase]: 16/371 cut-off events. [2024-11-13 13:19:51,689 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 13:19:51,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 380 conditions, 371 events. 16/371 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 617 event pairs, 0 based on Foata normal form. 0/288 useless extension candidates. Maximal degree in co-relation 292. Up to 2 conditions per place. [2024-11-13 13:19:51,702 INFO L82 GeneralOperation]: Start removeDead. Operand has 364 places, 373 transitions, 760 flow [2024-11-13 13:19:51,713 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 346 places, 354 transitions, 720 flow [2024-11-13 13:19:51,727 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:19:51,753 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;@62641965, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:19:51,753 INFO L334 AbstractCegarLoop]: Starting to check reachability of 117 error locations. [2024-11-13 13:19:51,763 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:19:51,765 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2024-11-13 13:19:51,765 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:19:51,765 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:19:51,767 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] [2024-11-13 13:19:51,769 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-13 13:19:51,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:51,777 INFO L85 PathProgramCache]: Analyzing trace with hash -705325264, now seen corresponding path program 1 times [2024-11-13 13:19:51,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:51,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441399586] [2024-11-13 13:19:51,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:51,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:52,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:19:52,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:19:52,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441399586] [2024-11-13 13:19:52,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441399586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:19:52,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:19:52,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:19:52,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426029457] [2024-11-13 13:19:52,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:19:52,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:19:52,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:52,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:19:52,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:19:52,160 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 373 [2024-11-13 13:19:52,167 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 354 transitions, 720 flow. Second operand has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:52,167 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:19:52,167 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 373 [2024-11-13 13:19:52,170 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:19:52,412 INFO L124 PetriNetUnfolderBase]: 40/483 cut-off events. [2024-11-13 13:19:52,413 INFO L125 PetriNetUnfolderBase]: For 37/38 co-relation queries the response was YES. [2024-11-13 13:19:52,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 566 conditions, 483 events. 40/483 cut-off events. For 37/38 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1356 event pairs, 13 based on Foata normal form. 22/407 useless extension candidates. Maximal degree in co-relation 278. Up to 61 conditions per place. [2024-11-13 13:19:52,420 INFO L140 encePairwiseOnDemand]: 329/373 looper letters, 15 selfloop transitions, 2 changer transitions 5/312 dead transitions. [2024-11-13 13:19:52,421 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 312 transitions, 670 flow [2024-11-13 13:19:52,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:19:52,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:19:52,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 992 transitions. [2024-11-13 13:19:52,444 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8865058087578195 [2024-11-13 13:19:52,447 INFO L175 Difference]: Start difference. First operand has 346 places, 354 transitions, 720 flow. Second operand 3 states and 992 transitions. [2024-11-13 13:19:52,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 312 transitions, 670 flow [2024-11-13 13:19:52,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 312 transitions, 662 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-13 13:19:52,465 INFO L231 Difference]: Finished difference. Result has 311 places, 307 transitions, 622 flow [2024-11-13 13:19:52,468 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=622, PETRI_PLACES=311, PETRI_TRANSITIONS=307} [2024-11-13 13:19:52,477 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -35 predicate places. [2024-11-13 13:19:52,477 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 307 transitions, 622 flow [2024-11-13 13:19:52,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:52,478 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:19:52,478 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] [2024-11-13 13:19:52,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:19:52,480 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-13 13:19:52,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:52,481 INFO L85 PathProgramCache]: Analyzing trace with hash -339563061, now seen corresponding path program 1 times [2024-11-13 13:19:52,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:52,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015611358] [2024-11-13 13:19:52,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:52,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:52,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:19:52,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:19:52,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015611358] [2024-11-13 13:19:52,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015611358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:19:52,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:19:52,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:19:52,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083909469] [2024-11-13 13:19:52,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:19:52,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:19:52,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:52,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:19:52,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:19:52,659 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 373 [2024-11-13 13:19:52,661 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 307 transitions, 622 flow. Second operand has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:52,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:19:52,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 373 [2024-11-13 13:19:52,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:19:52,848 INFO L124 PetriNetUnfolderBase]: 26/481 cut-off events. [2024-11-13 13:19:52,849 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-13 13:19:52,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 535 conditions, 481 events. 26/481 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1271 event pairs, 10 based on Foata normal form. 0/404 useless extension candidates. Maximal degree in co-relation 503. Up to 44 conditions per place. [2024-11-13 13:19:52,857 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 15 selfloop transitions, 2 changer transitions 0/306 dead transitions. [2024-11-13 13:19:52,857 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 306 transitions, 654 flow [2024-11-13 13:19:52,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:19:52,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:19:52,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 951 transitions. [2024-11-13 13:19:52,866 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8498659517426274 [2024-11-13 13:19:52,867 INFO L175 Difference]: Start difference. First operand has 311 places, 307 transitions, 622 flow. Second operand 3 states and 951 transitions. [2024-11-13 13:19:52,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 306 transitions, 654 flow [2024-11-13 13:19:52,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 306 transitions, 650 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:19:52,880 INFO L231 Difference]: Finished difference. Result has 305 places, 306 transitions, 620 flow [2024-11-13 13:19:52,881 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=305, PETRI_TRANSITIONS=306} [2024-11-13 13:19:52,882 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -41 predicate places. [2024-11-13 13:19:52,882 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 306 transitions, 620 flow [2024-11-13 13:19:52,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:52,885 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:19:52,885 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] [2024-11-13 13:19:52,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:19:52,886 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-13 13:19:52,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:52,887 INFO L85 PathProgramCache]: Analyzing trace with hash -543829544, now seen corresponding path program 1 times [2024-11-13 13:19:52,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:52,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948963400] [2024-11-13 13:19:52,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:52,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:52,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:19:52,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:19:52,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948963400] [2024-11-13 13:19:52,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948963400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:19:52,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:19:52,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:19:52,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821943927] [2024-11-13 13:19:52,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:19:52,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:19:52,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:52,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:19:52,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:19:53,027 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 373 [2024-11-13 13:19:53,028 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 306 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:53,029 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:19:53,029 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 373 [2024-11-13 13:19:53,029 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:19:53,190 INFO L124 PetriNetUnfolderBase]: 28/464 cut-off events. [2024-11-13 13:19:53,190 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-11-13 13:19:53,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 514 conditions, 464 events. 28/464 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1169 event pairs, 7 based on Foata normal form. 0/382 useless extension candidates. Maximal degree in co-relation 474. Up to 41 conditions per place. [2024-11-13 13:19:53,194 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 13 selfloop transitions, 2 changer transitions 0/305 dead transitions. [2024-11-13 13:19:53,195 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 305 transitions, 648 flow [2024-11-13 13:19:53,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:19:53,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:19:53,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 955 transitions. [2024-11-13 13:19:53,199 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8534405719392315 [2024-11-13 13:19:53,199 INFO L175 Difference]: Start difference. First operand has 305 places, 306 transitions, 620 flow. Second operand 3 states and 955 transitions. [2024-11-13 13:19:53,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 305 transitions, 648 flow [2024-11-13 13:19:53,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 305 transitions, 644 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:19:53,211 INFO L231 Difference]: Finished difference. Result has 304 places, 305 transitions, 618 flow [2024-11-13 13:19:53,212 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=618, PETRI_PLACES=304, PETRI_TRANSITIONS=305} [2024-11-13 13:19:53,214 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -42 predicate places. [2024-11-13 13:19:53,215 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 305 transitions, 618 flow [2024-11-13 13:19:53,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:53,216 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:19:53,216 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:19:53,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:19:53,217 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-13 13:19:53,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:53,218 INFO L85 PathProgramCache]: Analyzing trace with hash 720171886, now seen corresponding path program 1 times [2024-11-13 13:19:53,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:53,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329943583] [2024-11-13 13:19:53,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:53,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:53,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:19:53,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:19:53,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329943583] [2024-11-13 13:19:53,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329943583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:19:53,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:19:53,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:19:53,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896007803] [2024-11-13 13:19:53,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:19:53,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:19:53,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:53,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:19:53,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:19:53,321 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 373 [2024-11-13 13:19:53,324 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 305 transitions, 618 flow. Second operand has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:53,324 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:19:53,324 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 373 [2024-11-13 13:19:53,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:19:53,518 INFO L124 PetriNetUnfolderBase]: 28/463 cut-off events. [2024-11-13 13:19:53,518 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-11-13 13:19:53,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 513 conditions, 463 events. 28/463 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1170 event pairs, 7 based on Foata normal form. 0/382 useless extension candidates. Maximal degree in co-relation 465. Up to 41 conditions per place. [2024-11-13 13:19:53,523 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 13 selfloop transitions, 2 changer transitions 0/304 dead transitions. [2024-11-13 13:19:53,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 304 transitions, 646 flow [2024-11-13 13:19:53,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:19:53,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:19:53,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 955 transitions. [2024-11-13 13:19:53,558 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8534405719392315 [2024-11-13 13:19:53,558 INFO L175 Difference]: Start difference. First operand has 304 places, 305 transitions, 618 flow. Second operand 3 states and 955 transitions. [2024-11-13 13:19:53,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 304 transitions, 646 flow [2024-11-13 13:19:53,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 304 transitions, 642 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:19:53,565 INFO L231 Difference]: Finished difference. Result has 303 places, 304 transitions, 616 flow [2024-11-13 13:19:53,567 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=303, PETRI_TRANSITIONS=304} [2024-11-13 13:19:53,568 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -43 predicate places. [2024-11-13 13:19:53,569 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 304 transitions, 616 flow [2024-11-13 13:19:53,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:53,570 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:19:53,571 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] [2024-11-13 13:19:53,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:19:53,571 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-13 13:19:53,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:53,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1029653358, now seen corresponding path program 1 times [2024-11-13 13:19:53,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:53,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602718944] [2024-11-13 13:19:53,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:53,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:53,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:19:53,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:19:53,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602718944] [2024-11-13 13:19:53,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602718944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:19:53,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:19:53,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:19:53,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254401867] [2024-11-13 13:19:53,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:19:53,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:19:53,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:53,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:19:53,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:19:53,703 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 373 [2024-11-13 13:19:53,705 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 304 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:53,705 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:19:53,705 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 373 [2024-11-13 13:19:53,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:19:53,891 INFO L124 PetriNetUnfolderBase]: 34/491 cut-off events. [2024-11-13 13:19:53,891 INFO L125 PetriNetUnfolderBase]: For 11/12 co-relation queries the response was YES. [2024-11-13 13:19:53,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 549 conditions, 491 events. 34/491 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1434 event pairs, 4 based on Foata normal form. 0/412 useless extension candidates. Maximal degree in co-relation 493. Up to 27 conditions per place. [2024-11-13 13:19:53,895 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 15 selfloop transitions, 2 changer transitions 0/308 dead transitions. [2024-11-13 13:19:53,896 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 308 transitions, 660 flow [2024-11-13 13:19:53,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:19:53,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:19:53,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 969 transitions. [2024-11-13 13:19:53,900 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8659517426273459 [2024-11-13 13:19:53,900 INFO L175 Difference]: Start difference. First operand has 303 places, 304 transitions, 616 flow. Second operand 3 states and 969 transitions. [2024-11-13 13:19:53,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 308 transitions, 660 flow [2024-11-13 13:19:53,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 308 transitions, 656 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:19:53,908 INFO L231 Difference]: Finished difference. Result has 303 places, 304 transitions, 620 flow [2024-11-13 13:19:53,909 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=303, PETRI_TRANSITIONS=304} [2024-11-13 13:19:53,911 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -43 predicate places. [2024-11-13 13:19:53,911 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 304 transitions, 620 flow [2024-11-13 13:19:53,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:53,912 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:19:53,912 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] [2024-11-13 13:19:53,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:19:53,912 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-13 13:19:53,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:53,913 INFO L85 PathProgramCache]: Analyzing trace with hash 776665321, now seen corresponding path program 1 times [2024-11-13 13:19:53,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:53,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601847498] [2024-11-13 13:19:53,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:53,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:53,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:54,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:19:54,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:19:54,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601847498] [2024-11-13 13:19:54,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601847498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:19:54,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:19:54,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:19:54,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448701886] [2024-11-13 13:19:54,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:19:54,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:19:54,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:54,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:19:54,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:19:54,046 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 373 [2024-11-13 13:19:54,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 304 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:54,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:19:54,051 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 373 [2024-11-13 13:19:54,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:19:54,213 INFO L124 PetriNetUnfolderBase]: 34/490 cut-off events. [2024-11-13 13:19:54,214 INFO L125 PetriNetUnfolderBase]: For 19/20 co-relation queries the response was YES. [2024-11-13 13:19:54,215 INFO L83 FinitePrefix]: Finished finitePrefix Result has 562 conditions, 490 events. 34/490 cut-off events. For 19/20 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1428 event pairs, 10 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 309. Up to 51 conditions per place. [2024-11-13 13:19:54,217 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 13 selfloop transitions, 2 changer transitions 0/303 dead transitions. [2024-11-13 13:19:54,217 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 303 transitions, 648 flow [2024-11-13 13:19:54,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:19:54,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:19:54,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2024-11-13 13:19:54,222 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8552278820375335 [2024-11-13 13:19:54,222 INFO L175 Difference]: Start difference. First operand has 303 places, 304 transitions, 620 flow. Second operand 3 states and 957 transitions. [2024-11-13 13:19:54,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 303 transitions, 648 flow [2024-11-13 13:19:54,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 303 transitions, 646 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:19:54,230 INFO L231 Difference]: Finished difference. Result has 303 places, 303 transitions, 620 flow [2024-11-13 13:19:54,231 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=303, PETRI_TRANSITIONS=303} [2024-11-13 13:19:54,232 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -43 predicate places. [2024-11-13 13:19:54,233 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 303 transitions, 620 flow [2024-11-13 13:19:54,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:54,235 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:19:54,235 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] [2024-11-13 13:19:54,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 13:19:54,235 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-13 13:19:54,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:54,236 INFO L85 PathProgramCache]: Analyzing trace with hash 648861462, now seen corresponding path program 1 times [2024-11-13 13:19:54,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:54,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108212675] [2024-11-13 13:19:54,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:54,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:54,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:19:54,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:19:54,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108212675] [2024-11-13 13:19:54,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108212675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:19:54,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:19:54,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:19:54,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300236627] [2024-11-13 13:19:54,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:19:54,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:19:54,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:54,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:19:54,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:19:54,375 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 373 [2024-11-13 13:19:54,377 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 303 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:54,378 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:19:54,378 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 373 [2024-11-13 13:19:54,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:19:54,557 INFO L124 PetriNetUnfolderBase]: 34/489 cut-off events. [2024-11-13 13:19:54,558 INFO L125 PetriNetUnfolderBase]: For 18/19 co-relation queries the response was YES. [2024-11-13 13:19:54,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 489 events. 34/489 cut-off events. For 18/19 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1426 event pairs, 10 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 492. Up to 49 conditions per place. [2024-11-13 13:19:54,563 INFO L140 encePairwiseOnDemand]: 371/373 looper letters, 12 selfloop transitions, 1 changer transitions 0/302 dead transitions. [2024-11-13 13:19:54,563 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 302 transitions, 644 flow [2024-11-13 13:19:54,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:19:54,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:19:54,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-11-13 13:19:54,568 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8614834673815907 [2024-11-13 13:19:54,568 INFO L175 Difference]: Start difference. First operand has 303 places, 303 transitions, 620 flow. Second operand 3 states and 964 transitions. [2024-11-13 13:19:54,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 302 transitions, 644 flow [2024-11-13 13:19:54,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 302 transitions, 640 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:19:54,584 INFO L231 Difference]: Finished difference. Result has 302 places, 302 transitions, 616 flow [2024-11-13 13:19:54,584 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=302, PETRI_TRANSITIONS=302} [2024-11-13 13:19:54,585 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -44 predicate places. [2024-11-13 13:19:54,586 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 302 transitions, 616 flow [2024-11-13 13:19:54,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:54,587 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:19:54,587 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] [2024-11-13 13:19:54,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 13:19:54,590 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-13 13:19:54,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:54,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1626742750, now seen corresponding path program 1 times [2024-11-13 13:19:54,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:54,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365832057] [2024-11-13 13:19:54,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:54,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:55,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:19:55,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:19:55,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365832057] [2024-11-13 13:19:55,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365832057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:19:55,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:19:55,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:19:55,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737861470] [2024-11-13 13:19:55,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:19:55,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:19:55,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:55,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:19:55,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:19:56,078 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 373 [2024-11-13 13:19:56,081 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 302 transitions, 616 flow. Second operand has 6 states, 6 states have (on average 282.5) internal successors, (1695), 6 states have internal predecessors, (1695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:56,082 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:19:56,082 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 373 [2024-11-13 13:19:56,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:19:56,298 INFO L124 PetriNetUnfolderBase]: 73/656 cut-off events. [2024-11-13 13:19:56,298 INFO L125 PetriNetUnfolderBase]: For 34/35 co-relation queries the response was YES. [2024-11-13 13:19:56,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 850 conditions, 656 events. 73/656 cut-off events. For 34/35 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2651 event pairs, 42 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 786. Up to 144 conditions per place. [2024-11-13 13:19:56,308 INFO L140 encePairwiseOnDemand]: 361/373 looper letters, 38 selfloop transitions, 10 changer transitions 0/300 dead transitions. [2024-11-13 13:19:56,308 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 300 transitions, 708 flow [2024-11-13 13:19:56,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:19:56,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:19:56,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1735 transitions. [2024-11-13 13:19:56,316 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7752457551385166 [2024-11-13 13:19:56,316 INFO L175 Difference]: Start difference. First operand has 302 places, 302 transitions, 616 flow. Second operand 6 states and 1735 transitions. [2024-11-13 13:19:56,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 300 transitions, 708 flow [2024-11-13 13:19:56,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 300 transitions, 707 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:19:56,326 INFO L231 Difference]: Finished difference. Result has 304 places, 300 transitions, 631 flow [2024-11-13 13:19:56,327 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=611, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=631, PETRI_PLACES=304, PETRI_TRANSITIONS=300} [2024-11-13 13:19:56,329 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -42 predicate places. [2024-11-13 13:19:56,331 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 300 transitions, 631 flow [2024-11-13 13:19:56,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 282.5) internal successors, (1695), 6 states have internal predecessors, (1695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:56,333 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:19:56,333 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] [2024-11-13 13:19:56,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 13:19:56,334 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-13 13:19:56,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:56,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1793671915, now seen corresponding path program 1 times [2024-11-13 13:19:56,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:56,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917839841] [2024-11-13 13:19:56,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:56,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:56,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:19:56,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:19:56,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917839841] [2024-11-13 13:19:56,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917839841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:19:56,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:19:56,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:19:56,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434588702] [2024-11-13 13:19:56,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:19:56,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:19:56,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:56,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:19:56,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:19:56,449 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 373 [2024-11-13 13:19:56,451 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 300 transitions, 631 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:56,451 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:19:56,451 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 373 [2024-11-13 13:19:56,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:19:56,598 INFO L124 PetriNetUnfolderBase]: 34/486 cut-off events. [2024-11-13 13:19:56,598 INFO L125 PetriNetUnfolderBase]: For 18/19 co-relation queries the response was YES. [2024-11-13 13:19:56,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 565 conditions, 486 events. 34/486 cut-off events. For 18/19 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1440 event pairs, 10 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 531. Up to 51 conditions per place. [2024-11-13 13:19:56,602 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 13 selfloop transitions, 2 changer transitions 0/299 dead transitions. [2024-11-13 13:19:56,602 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 299 transitions, 659 flow [2024-11-13 13:19:56,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:19:56,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:19:56,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2024-11-13 13:19:56,607 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8552278820375335 [2024-11-13 13:19:56,608 INFO L175 Difference]: Start difference. First operand has 304 places, 300 transitions, 631 flow. Second operand 3 states and 957 transitions. [2024-11-13 13:19:56,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 299 transitions, 659 flow [2024-11-13 13:19:56,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 299 transitions, 639 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 13:19:56,615 INFO L231 Difference]: Finished difference. Result has 300 places, 299 transitions, 613 flow [2024-11-13 13:19:56,616 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=613, PETRI_PLACES=300, PETRI_TRANSITIONS=299} [2024-11-13 13:19:56,617 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -46 predicate places. [2024-11-13 13:19:56,617 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 299 transitions, 613 flow [2024-11-13 13:19:56,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:56,618 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:19:56,618 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] [2024-11-13 13:19:56,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 13:19:56,618 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-13 13:19:56,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:56,619 INFO L85 PathProgramCache]: Analyzing trace with hash 2134856259, now seen corresponding path program 1 times [2024-11-13 13:19:56,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:56,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222712850] [2024-11-13 13:19:56,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:56,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:56,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:19:56,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:19:56,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222712850] [2024-11-13 13:19:56,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222712850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:19:56,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:19:56,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:19:56,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733072146] [2024-11-13 13:19:56,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:19:56,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:19:56,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:56,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:19:56,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:19:56,726 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 373 [2024-11-13 13:19:56,727 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 299 transitions, 613 flow. Second operand has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:56,728 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:19:56,728 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 373 [2024-11-13 13:19:56,728 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:19:56,872 INFO L124 PetriNetUnfolderBase]: 37/537 cut-off events. [2024-11-13 13:19:56,873 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-13 13:19:56,874 INFO L83 FinitePrefix]: Finished finitePrefix Result has 626 conditions, 537 events. 37/537 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1665 event pairs, 18 based on Foata normal form. 0/461 useless extension candidates. Maximal degree in co-relation 561. Up to 63 conditions per place. [2024-11-13 13:19:56,877 INFO L140 encePairwiseOnDemand]: 369/373 looper letters, 16 selfloop transitions, 1 changer transitions 0/296 dead transitions. [2024-11-13 13:19:56,877 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 296 transitions, 641 flow [2024-11-13 13:19:56,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:19:56,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:19:56,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 952 transitions. [2024-11-13 13:19:56,881 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8507596067917784 [2024-11-13 13:19:56,881 INFO L175 Difference]: Start difference. First operand has 300 places, 299 transitions, 613 flow. Second operand 3 states and 952 transitions. [2024-11-13 13:19:56,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 296 transitions, 641 flow [2024-11-13 13:19:56,884 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 296 transitions, 637 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:19:56,888 INFO L231 Difference]: Finished difference. Result has 297 places, 296 transitions, 605 flow [2024-11-13 13:19:56,889 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=603, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=605, PETRI_PLACES=297, PETRI_TRANSITIONS=296} [2024-11-13 13:19:56,890 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -49 predicate places. [2024-11-13 13:19:56,890 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 296 transitions, 605 flow [2024-11-13 13:19:56,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:56,891 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:19:56,892 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] [2024-11-13 13:19:56,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 13:19:56,892 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-13 13:19:56,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:56,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1495396215, now seen corresponding path program 1 times [2024-11-13 13:19:56,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:56,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623730714] [2024-11-13 13:19:56,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:56,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:56,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:56,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:19:56,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:19:56,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623730714] [2024-11-13 13:19:56,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623730714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:19:56,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:19:56,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:19:56,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103302196] [2024-11-13 13:19:56,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:19:56,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:19:56,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:56,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:19:56,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:19:57,025 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 373 [2024-11-13 13:19:57,026 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 296 transitions, 605 flow. Second operand has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:57,027 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:19:57,027 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 373 [2024-11-13 13:19:57,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:19:57,169 INFO L124 PetriNetUnfolderBase]: 45/595 cut-off events. [2024-11-13 13:19:57,169 INFO L125 PetriNetUnfolderBase]: For 22/23 co-relation queries the response was YES. [2024-11-13 13:19:57,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 692 conditions, 595 events. 45/595 cut-off events. For 22/23 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2192 event pairs, 18 based on Foata normal form. 0/501 useless extension candidates. Maximal degree in co-relation 627. Up to 72 conditions per place. [2024-11-13 13:19:57,172 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 16 selfloop transitions, 2 changer transitions 0/295 dead transitions. [2024-11-13 13:19:57,172 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 295 transitions, 639 flow [2024-11-13 13:19:57,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:19:57,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:19:57,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 951 transitions. [2024-11-13 13:19:57,175 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8498659517426274 [2024-11-13 13:19:57,176 INFO L175 Difference]: Start difference. First operand has 297 places, 296 transitions, 605 flow. Second operand 3 states and 951 transitions. [2024-11-13 13:19:57,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 295 transitions, 639 flow [2024-11-13 13:19:57,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 295 transitions, 638 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:19:57,181 INFO L231 Difference]: Finished difference. Result has 297 places, 295 transitions, 606 flow [2024-11-13 13:19:57,183 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=606, PETRI_PLACES=297, PETRI_TRANSITIONS=295} [2024-11-13 13:19:57,183 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -49 predicate places. [2024-11-13 13:19:57,183 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 295 transitions, 606 flow [2024-11-13 13:19:57,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:57,184 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:19:57,185 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] [2024-11-13 13:19:57,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 13:19:57,186 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-13 13:19:57,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:57,187 INFO L85 PathProgramCache]: Analyzing trace with hash -37711090, now seen corresponding path program 1 times [2024-11-13 13:19:57,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:57,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715161743] [2024-11-13 13:19:57,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:57,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:57,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:19:57,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:19:57,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715161743] [2024-11-13 13:19:57,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715161743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:19:57,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:19:57,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:19:57,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791152549] [2024-11-13 13:19:57,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:19:57,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:19:57,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:57,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:19:57,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:19:57,304 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 373 [2024-11-13 13:19:57,305 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 295 transitions, 606 flow. Second operand has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:57,305 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:19:57,306 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 373 [2024-11-13 13:19:57,306 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:19:57,456 INFO L124 PetriNetUnfolderBase]: 53/616 cut-off events. [2024-11-13 13:19:57,456 INFO L125 PetriNetUnfolderBase]: For 27/28 co-relation queries the response was YES. [2024-11-13 13:19:57,458 INFO L83 FinitePrefix]: Finished finitePrefix Result has 734 conditions, 616 events. 53/616 cut-off events. For 27/28 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2344 event pairs, 26 based on Foata normal form. 0/529 useless extension candidates. Maximal degree in co-relation 670. Up to 85 conditions per place. [2024-11-13 13:19:57,460 INFO L140 encePairwiseOnDemand]: 369/373 looper letters, 16 selfloop transitions, 1 changer transitions 0/292 dead transitions. [2024-11-13 13:19:57,460 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 292 transitions, 634 flow [2024-11-13 13:19:57,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:19:57,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:19:57,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 952 transitions. [2024-11-13 13:19:57,464 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8507596067917784 [2024-11-13 13:19:57,464 INFO L175 Difference]: Start difference. First operand has 297 places, 295 transitions, 606 flow. Second operand 3 states and 952 transitions. [2024-11-13 13:19:57,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 292 transitions, 634 flow [2024-11-13 13:19:57,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 292 transitions, 630 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:19:57,470 INFO L231 Difference]: Finished difference. Result has 294 places, 292 transitions, 598 flow [2024-11-13 13:19:57,471 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=598, PETRI_PLACES=294, PETRI_TRANSITIONS=292} [2024-11-13 13:19:57,472 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -52 predicate places. [2024-11-13 13:19:57,472 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 292 transitions, 598 flow [2024-11-13 13:19:57,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:57,473 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:19:57,473 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] [2024-11-13 13:19:57,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 13:19:57,474 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-13 13:19:57,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:57,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1937165297, now seen corresponding path program 1 times [2024-11-13 13:19:57,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:57,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844871738] [2024-11-13 13:19:57,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:57,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:58,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:19:58,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:19:58,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844871738] [2024-11-13 13:19:58,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844871738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:19:58,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:19:58,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:19:58,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314496085] [2024-11-13 13:19:58,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:19:58,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:19:58,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:58,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:19:58,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:19:58,757 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 373 [2024-11-13 13:19:58,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 292 transitions, 598 flow. Second operand has 6 states, 6 states have (on average 306.1666666666667) internal successors, (1837), 6 states have internal predecessors, (1837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:58,763 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:19:58,763 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 373 [2024-11-13 13:19:58,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:19:58,957 INFO L124 PetriNetUnfolderBase]: 34/476 cut-off events. [2024-11-13 13:19:58,957 INFO L125 PetriNetUnfolderBase]: For 18/19 co-relation queries the response was YES. [2024-11-13 13:19:58,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 476 events. 34/476 cut-off events. For 18/19 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1387 event pairs, 10 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 492. Up to 49 conditions per place. [2024-11-13 13:19:58,961 INFO L140 encePairwiseOnDemand]: 368/373 looper letters, 21 selfloop transitions, 4 changer transitions 0/291 dead transitions. [2024-11-13 13:19:58,961 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 291 transitions, 646 flow [2024-11-13 13:19:58,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:19:58,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:19:58,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1855 transitions. [2024-11-13 13:19:58,967 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8288650580875782 [2024-11-13 13:19:58,968 INFO L175 Difference]: Start difference. First operand has 294 places, 292 transitions, 598 flow. Second operand 6 states and 1855 transitions. [2024-11-13 13:19:58,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 291 transitions, 646 flow [2024-11-13 13:19:58,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 291 transitions, 645 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:19:58,974 INFO L231 Difference]: Finished difference. Result has 297 places, 291 transitions, 603 flow [2024-11-13 13:19:58,975 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=595, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=603, PETRI_PLACES=297, PETRI_TRANSITIONS=291} [2024-11-13 13:19:58,977 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -49 predicate places. [2024-11-13 13:19:58,977 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 291 transitions, 603 flow [2024-11-13 13:19:58,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 306.1666666666667) internal successors, (1837), 6 states have internal predecessors, (1837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:58,979 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:19:58,979 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] [2024-11-13 13:19:58,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 13:19:58,980 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-13 13:19:58,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:58,981 INFO L85 PathProgramCache]: Analyzing trace with hash -5249203, now seen corresponding path program 1 times [2024-11-13 13:19:58,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:58,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709005091] [2024-11-13 13:19:58,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:58,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:59,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:19:59,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:19:59,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709005091] [2024-11-13 13:19:59,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709005091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:19:59,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:19:59,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:19:59,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134691680] [2024-11-13 13:19:59,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:19:59,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:19:59,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:59,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:19:59,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:19:59,120 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 373 [2024-11-13 13:19:59,122 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 291 transitions, 603 flow. Second operand has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:59,123 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:19:59,123 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 373 [2024-11-13 13:19:59,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:19:59,254 INFO L124 PetriNetUnfolderBase]: 46/487 cut-off events. [2024-11-13 13:19:59,254 INFO L125 PetriNetUnfolderBase]: For 22/23 co-relation queries the response was YES. [2024-11-13 13:19:59,256 INFO L83 FinitePrefix]: Finished finitePrefix Result has 583 conditions, 487 events. 46/487 cut-off events. For 22/23 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1595 event pairs, 16 based on Foata normal form. 0/415 useless extension candidates. Maximal degree in co-relation 518. Up to 72 conditions per place. [2024-11-13 13:19:59,258 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 16 selfloop transitions, 2 changer transitions 0/290 dead transitions. [2024-11-13 13:19:59,258 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 290 transitions, 637 flow [2024-11-13 13:19:59,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:19:59,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:19:59,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 951 transitions. [2024-11-13 13:19:59,261 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8498659517426274 [2024-11-13 13:19:59,262 INFO L175 Difference]: Start difference. First operand has 297 places, 291 transitions, 603 flow. Second operand 3 states and 951 transitions. [2024-11-13 13:19:59,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 290 transitions, 637 flow [2024-11-13 13:19:59,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 290 transitions, 630 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-13 13:19:59,296 INFO L231 Difference]: Finished difference. Result has 294 places, 290 transitions, 598 flow [2024-11-13 13:19:59,297 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=598, PETRI_PLACES=294, PETRI_TRANSITIONS=290} [2024-11-13 13:19:59,299 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -52 predicate places. [2024-11-13 13:19:59,299 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 290 transitions, 598 flow [2024-11-13 13:19:59,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.3333333333333) internal successors, (937), 3 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:59,300 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:19:59,300 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] [2024-11-13 13:19:59,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 13:19:59,301 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-13 13:19:59,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:59,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1305894154, now seen corresponding path program 1 times [2024-11-13 13:19:59,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:59,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506816901] [2024-11-13 13:19:59,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:59,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:59,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:19:59,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:19:59,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506816901] [2024-11-13 13:19:59,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506816901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:19:59,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:19:59,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:19:59,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503291823] [2024-11-13 13:19:59,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:19:59,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:19:59,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:59,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:19:59,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:19:59,425 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 373 [2024-11-13 13:19:59,427 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 290 transitions, 598 flow. Second operand has 3 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:59,427 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:19:59,427 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 373 [2024-11-13 13:19:59,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:19:59,603 INFO L124 PetriNetUnfolderBase]: 62/574 cut-off events. [2024-11-13 13:19:59,604 INFO L125 PetriNetUnfolderBase]: For 27/28 co-relation queries the response was YES. [2024-11-13 13:19:59,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 690 conditions, 574 events. 62/574 cut-off events. For 27/28 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2089 event pairs, 13 based on Foata normal form. 0/487 useless extension candidates. Maximal degree in co-relation 626. Up to 58 conditions per place. [2024-11-13 13:19:59,608 INFO L140 encePairwiseOnDemand]: 368/373 looper letters, 19 selfloop transitions, 3 changer transitions 0/294 dead transitions. [2024-11-13 13:19:59,609 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 294 transitions, 652 flow [2024-11-13 13:19:59,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:19:59,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:19:59,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 963 transitions. [2024-11-13 13:19:59,612 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8605898123324397 [2024-11-13 13:19:59,613 INFO L175 Difference]: Start difference. First operand has 294 places, 290 transitions, 598 flow. Second operand 3 states and 963 transitions. [2024-11-13 13:19:59,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 294 transitions, 652 flow [2024-11-13 13:19:59,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 294 transitions, 648 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:19:59,619 INFO L231 Difference]: Finished difference. Result has 294 places, 290 transitions, 610 flow [2024-11-13 13:19:59,621 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=610, PETRI_PLACES=294, PETRI_TRANSITIONS=290} [2024-11-13 13:19:59,621 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -52 predicate places. [2024-11-13 13:19:59,622 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 290 transitions, 610 flow [2024-11-13 13:19:59,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:59,623 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:19:59,623 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] [2024-11-13 13:19:59,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 13:19:59,623 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-13 13:19:59,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:59,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1808598350, now seen corresponding path program 1 times [2024-11-13 13:19:59,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:59,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855726357] [2024-11-13 13:19:59,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:59,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:59,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:19:59,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:19:59,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855726357] [2024-11-13 13:19:59,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855726357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:19:59,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:19:59,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:19:59,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879432514] [2024-11-13 13:19:59,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:19:59,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:19:59,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:59,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:19:59,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:19:59,750 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 373 [2024-11-13 13:19:59,752 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 290 transitions, 610 flow. Second operand has 3 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:59,752 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:19:59,752 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 373 [2024-11-13 13:19:59,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:19:59,919 INFO L124 PetriNetUnfolderBase]: 55/681 cut-off events. [2024-11-13 13:19:59,919 INFO L125 PetriNetUnfolderBase]: For 37/38 co-relation queries the response was YES. [2024-11-13 13:19:59,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 821 conditions, 681 events. 55/681 cut-off events. For 37/38 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2666 event pairs, 23 based on Foata normal form. 0/583 useless extension candidates. Maximal degree in co-relation 755. Up to 74 conditions per place. [2024-11-13 13:19:59,945 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 15 selfloop transitions, 2 changer transitions 0/289 dead transitions. [2024-11-13 13:19:59,945 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 289 transitions, 642 flow [2024-11-13 13:19:59,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:19:59,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:19:59,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 953 transitions. [2024-11-13 13:19:59,948 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8516532618409294 [2024-11-13 13:19:59,948 INFO L175 Difference]: Start difference. First operand has 294 places, 290 transitions, 610 flow. Second operand 3 states and 953 transitions. [2024-11-13 13:19:59,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 289 transitions, 642 flow [2024-11-13 13:19:59,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 289 transitions, 636 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:19:59,956 INFO L231 Difference]: Finished difference. Result has 293 places, 289 transitions, 606 flow [2024-11-13 13:19:59,956 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=606, PETRI_PLACES=293, PETRI_TRANSITIONS=289} [2024-11-13 13:19:59,957 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -53 predicate places. [2024-11-13 13:19:59,957 INFO L471 AbstractCegarLoop]: Abstraction has has 293 places, 289 transitions, 606 flow [2024-11-13 13:19:59,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:19:59,960 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:19:59,960 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] [2024-11-13 13:19:59,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 13:19:59,960 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-13 13:19:59,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:59,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1056727333, now seen corresponding path program 1 times [2024-11-13 13:19:59,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:59,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942490389] [2024-11-13 13:19:59,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:59,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:20:00,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:20:00,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:20:00,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942490389] [2024-11-13 13:20:00,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942490389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:20:00,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:20:00,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:20:00,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488363445] [2024-11-13 13:20:00,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:20:00,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:20:00,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:20:00,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:20:00,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:20:00,077 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 373 [2024-11-13 13:20:00,079 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 289 transitions, 606 flow. Second operand has 3 states, 3 states have (on average 313.0) internal successors, (939), 3 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:20:00,079 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:20:00,079 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 373 [2024-11-13 13:20:00,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:20:00,298 INFO L124 PetriNetUnfolderBase]: 78/848 cut-off events. [2024-11-13 13:20:00,298 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2024-11-13 13:20:00,301 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1032 conditions, 848 events. 78/848 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3974 event pairs, 28 based on Foata normal form. 0/733 useless extension candidates. Maximal degree in co-relation 967. Up to 106 conditions per place. [2024-11-13 13:20:00,305 INFO L140 encePairwiseOnDemand]: 366/373 looper letters, 18 selfloop transitions, 4 changer transitions 0/292 dead transitions. [2024-11-13 13:20:00,305 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 292 transitions, 661 flow [2024-11-13 13:20:00,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:20:00,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:20:00,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 959 transitions. [2024-11-13 13:20:00,308 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8570151921358355 [2024-11-13 13:20:00,308 INFO L175 Difference]: Start difference. First operand has 293 places, 289 transitions, 606 flow. Second operand 3 states and 959 transitions. [2024-11-13 13:20:00,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 292 transitions, 661 flow [2024-11-13 13:20:00,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 292 transitions, 657 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:20:00,318 INFO L231 Difference]: Finished difference. Result has 291 places, 289 transitions, 620 flow [2024-11-13 13:20:00,318 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=291, PETRI_TRANSITIONS=289} [2024-11-13 13:20:00,319 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -55 predicate places. [2024-11-13 13:20:00,319 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 289 transitions, 620 flow [2024-11-13 13:20:00,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.0) internal successors, (939), 3 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:20:00,320 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:20:00,320 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] [2024-11-13 13:20:00,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 13:20:00,320 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-13 13:20:00,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:20:00,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1229948393, now seen corresponding path program 1 times [2024-11-13 13:20:00,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:20:00,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148337166] [2024-11-13 13:20:00,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:20:00,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:20:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:20:00,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:20:00,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:20:00,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148337166] [2024-11-13 13:20:00,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148337166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:20:00,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:20:00,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:20:00,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679184609] [2024-11-13 13:20:00,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:20:00,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:20:00,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:20:00,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:20:00,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:20:00,503 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 373 [2024-11-13 13:20:00,505 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 289 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:20:00,505 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:20:00,505 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 373 [2024-11-13 13:20:00,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:20:00,689 INFO L124 PetriNetUnfolderBase]: 63/652 cut-off events. [2024-11-13 13:20:00,689 INFO L125 PetriNetUnfolderBase]: For 74/82 co-relation queries the response was YES. [2024-11-13 13:20:00,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 851 conditions, 652 events. 63/652 cut-off events. For 74/82 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2850 event pairs, 17 based on Foata normal form. 2/576 useless extension candidates. Maximal degree in co-relation 785. Up to 69 conditions per place. [2024-11-13 13:20:00,694 INFO L140 encePairwiseOnDemand]: 368/373 looper letters, 16 selfloop transitions, 2 changer transitions 2/290 dead transitions. [2024-11-13 13:20:00,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 290 transitions, 666 flow [2024-11-13 13:20:00,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:20:00,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:20:00,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 958 transitions. [2024-11-13 13:20:00,697 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8561215370866846 [2024-11-13 13:20:00,697 INFO L175 Difference]: Start difference. First operand has 291 places, 289 transitions, 620 flow. Second operand 3 states and 958 transitions. [2024-11-13 13:20:00,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 290 transitions, 666 flow [2024-11-13 13:20:00,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 290 transitions, 661 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:20:00,703 INFO L231 Difference]: Finished difference. Result has 290 places, 285 transitions, 611 flow [2024-11-13 13:20:00,704 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=611, PETRI_PLACES=290, PETRI_TRANSITIONS=285} [2024-11-13 13:20:00,705 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -56 predicate places. [2024-11-13 13:20:00,705 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 285 transitions, 611 flow [2024-11-13 13:20:00,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:20:00,706 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:20:00,706 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] [2024-11-13 13:20:00,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 13:20:00,706 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-13 13:20:00,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:20:00,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1782874959, now seen corresponding path program 1 times [2024-11-13 13:20:00,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:20:00,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063623398] [2024-11-13 13:20:00,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:20:00,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:20:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:20:01,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:20:01,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:20:01,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063623398] [2024-11-13 13:20:01,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063623398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:20:01,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:20:01,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:20:01,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254286505] [2024-11-13 13:20:01,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:20:01,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:20:01,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:20:01,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:20:01,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:20:01,492 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2024-11-13 13:20:01,495 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 285 transitions, 611 flow. Second operand has 7 states, 7 states have (on average 301.0) internal successors, (2107), 7 states have internal predecessors, (2107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:20:01,495 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:20:01,495 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2024-11-13 13:20:01,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:20:02,056 INFO L124 PetriNetUnfolderBase]: 91/1159 cut-off events. [2024-11-13 13:20:02,056 INFO L125 PetriNetUnfolderBase]: For 77/77 co-relation queries the response was YES. [2024-11-13 13:20:02,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1466 conditions, 1159 events. 91/1159 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 5687 event pairs, 19 based on Foata normal form. 0/1034 useless extension candidates. Maximal degree in co-relation 1397. Up to 65 conditions per place. [2024-11-13 13:20:02,066 INFO L140 encePairwiseOnDemand]: 359/373 looper letters, 43 selfloop transitions, 15 changer transitions 0/309 dead transitions. [2024-11-13 13:20:02,066 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 309 transitions, 801 flow [2024-11-13 13:20:02,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 13:20:02,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-13 13:20:02,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3032 transitions. [2024-11-13 13:20:02,075 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8128686327077748 [2024-11-13 13:20:02,075 INFO L175 Difference]: Start difference. First operand has 290 places, 285 transitions, 611 flow. Second operand 10 states and 3032 transitions. [2024-11-13 13:20:02,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 309 transitions, 801 flow [2024-11-13 13:20:02,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 309 transitions, 797 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:20:02,083 INFO L231 Difference]: Finished difference. Result has 299 places, 292 transitions, 681 flow [2024-11-13 13:20:02,084 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=607, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=681, PETRI_PLACES=299, PETRI_TRANSITIONS=292} [2024-11-13 13:20:02,084 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -47 predicate places. [2024-11-13 13:20:02,084 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 292 transitions, 681 flow [2024-11-13 13:20:02,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 301.0) internal successors, (2107), 7 states have internal predecessors, (2107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:20:02,086 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:20:02,086 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] [2024-11-13 13:20:02,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 13:20:02,087 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-13 13:20:02,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:20:02,087 INFO L85 PathProgramCache]: Analyzing trace with hash 274544064, now seen corresponding path program 1 times [2024-11-13 13:20:02,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:20:02,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787862637] [2024-11-13 13:20:02,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:20:02,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:20:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:20:02,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:20:02,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:20:02,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787862637] [2024-11-13 13:20:02,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787862637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:20:02,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:20:02,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:20:02,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505058231] [2024-11-13 13:20:02,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:20:02,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:20:02,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:20:02,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:20:02,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:20:02,234 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 373 [2024-11-13 13:20:02,235 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 292 transitions, 681 flow. Second operand has 3 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:20:02,236 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:20:02,236 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 373 [2024-11-13 13:20:02,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:20:02,542 INFO L124 PetriNetUnfolderBase]: 136/1073 cut-off events. [2024-11-13 13:20:02,542 INFO L125 PetriNetUnfolderBase]: For 176/202 co-relation queries the response was YES. [2024-11-13 13:20:02,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1562 conditions, 1073 events. 136/1073 cut-off events. For 176/202 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 5779 event pairs, 57 based on Foata normal form. 0/954 useless extension candidates. Maximal degree in co-relation 1486. Up to 188 conditions per place. [2024-11-13 13:20:02,550 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 20 selfloop transitions, 2 changer transitions 0/295 dead transitions. [2024-11-13 13:20:02,550 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 295 transitions, 741 flow [2024-11-13 13:20:02,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:20:02,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:20:02,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2024-11-13 13:20:02,554 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8552278820375335 [2024-11-13 13:20:02,554 INFO L175 Difference]: Start difference. First operand has 299 places, 292 transitions, 681 flow. Second operand 3 states and 957 transitions. [2024-11-13 13:20:02,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 295 transitions, 741 flow [2024-11-13 13:20:02,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 295 transitions, 734 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:20:02,561 INFO L231 Difference]: Finished difference. Result has 298 places, 291 transitions, 677 flow [2024-11-13 13:20:02,562 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=673, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=677, PETRI_PLACES=298, PETRI_TRANSITIONS=291} [2024-11-13 13:20:02,562 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -48 predicate places. [2024-11-13 13:20:02,562 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 291 transitions, 677 flow [2024-11-13 13:20:02,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:20:02,563 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:20:02,563 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] [2024-11-13 13:20:02,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 13:20:02,564 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-13 13:20:02,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:20:02,564 INFO L85 PathProgramCache]: Analyzing trace with hash 273589758, now seen corresponding path program 1 times [2024-11-13 13:20:02,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:20:02,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614135673] [2024-11-13 13:20:02,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:20:02,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:20:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:20:02,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:20:02,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:20:02,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614135673] [2024-11-13 13:20:02,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614135673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:20:02,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:20:02,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:20:02,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236832008] [2024-11-13 13:20:02,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:20:02,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:20:02,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:20:02,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:20:02,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:20:02,680 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 373 [2024-11-13 13:20:02,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 291 transitions, 677 flow. Second operand has 3 states, 3 states have (on average 317.0) internal successors, (951), 3 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:20:02,682 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:20:02,682 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 373 [2024-11-13 13:20:02,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:20:02,988 INFO L124 PetriNetUnfolderBase]: 110/1090 cut-off events. [2024-11-13 13:20:02,988 INFO L125 PetriNetUnfolderBase]: For 140/160 co-relation queries the response was YES. [2024-11-13 13:20:02,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1548 conditions, 1090 events. 110/1090 cut-off events. For 140/160 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 5715 event pairs, 18 based on Foata normal form. 0/1011 useless extension candidates. Maximal degree in co-relation 1474. Up to 130 conditions per place. [2024-11-13 13:20:02,997 INFO L140 encePairwiseOnDemand]: 368/373 looper letters, 18 selfloop transitions, 3 changer transitions 0/294 dead transitions. [2024-11-13 13:20:02,997 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 294 transitions, 734 flow [2024-11-13 13:20:02,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:20:02,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:20:03,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-11-13 13:20:03,001 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8614834673815907 [2024-11-13 13:20:03,001 INFO L175 Difference]: Start difference. First operand has 298 places, 291 transitions, 677 flow. Second operand 3 states and 964 transitions. [2024-11-13 13:20:03,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 294 transitions, 734 flow [2024-11-13 13:20:03,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 294 transitions, 730 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:20:03,009 INFO L231 Difference]: Finished difference. Result has 297 places, 290 transitions, 682 flow [2024-11-13 13:20:03,009 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=669, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=682, PETRI_PLACES=297, PETRI_TRANSITIONS=290} [2024-11-13 13:20:03,010 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -49 predicate places. [2024-11-13 13:20:03,010 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 290 transitions, 682 flow [2024-11-13 13:20:03,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.0) internal successors, (951), 3 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:20:03,011 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:20:03,011 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] [2024-11-13 13:20:03,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 13:20:03,011 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-13 13:20:03,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:20:03,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1266454790, now seen corresponding path program 1 times [2024-11-13 13:20:03,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:20:03,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312394960] [2024-11-13 13:20:03,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:20:03,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:20:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:20:03,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:20:03,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:20:03,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312394960] [2024-11-13 13:20:03,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312394960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:20:03,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:20:03,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:20:03,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144735349] [2024-11-13 13:20:03,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:20:03,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:20:03,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:20:03,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:20:03,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:20:03,158 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 373 [2024-11-13 13:20:03,160 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 290 transitions, 682 flow. Second operand has 3 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:20:03,160 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:20:03,160 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 373 [2024-11-13 13:20:03,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:20:03,450 INFO L124 PetriNetUnfolderBase]: 112/1078 cut-off events. [2024-11-13 13:20:03,450 INFO L125 PetriNetUnfolderBase]: For 210/229 co-relation queries the response was YES. [2024-11-13 13:20:03,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1575 conditions, 1078 events. 112/1078 cut-off events. For 210/229 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 5610 event pairs, 45 based on Foata normal form. 0/1010 useless extension candidates. Maximal degree in co-relation 1501. Up to 168 conditions per place. [2024-11-13 13:20:03,462 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 21 selfloop transitions, 3 changer transitions 5/293 dead transitions. [2024-11-13 13:20:03,463 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 293 transitions, 747 flow [2024-11-13 13:20:03,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:20:03,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:20:03,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 958 transitions. [2024-11-13 13:20:03,466 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8561215370866846 [2024-11-13 13:20:03,466 INFO L175 Difference]: Start difference. First operand has 297 places, 290 transitions, 682 flow. Second operand 3 states and 958 transitions. [2024-11-13 13:20:03,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 293 transitions, 747 flow [2024-11-13 13:20:03,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 293 transitions, 740 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-13 13:20:03,474 INFO L231 Difference]: Finished difference. Result has 296 places, 285 transitions, 660 flow [2024-11-13 13:20:03,475 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=673, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=660, PETRI_PLACES=296, PETRI_TRANSITIONS=285} [2024-11-13 13:20:03,475 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -50 predicate places. [2024-11-13 13:20:03,475 INFO L471 AbstractCegarLoop]: Abstraction has has 296 places, 285 transitions, 660 flow [2024-11-13 13:20:03,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:20:03,476 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:20:03,476 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:20:03,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 13:20:03,477 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-13 13:20:03,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:20:03,477 INFO L85 PathProgramCache]: Analyzing trace with hash 2012486204, now seen corresponding path program 1 times [2024-11-13 13:20:03,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:20:03,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117176519] [2024-11-13 13:20:03,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:20:03,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:20:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:20:04,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:20:04,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:20:04,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117176519] [2024-11-13 13:20:04,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117176519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:20:04,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:20:04,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:20:04,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117167890] [2024-11-13 13:20:04,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:20:04,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:20:04,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:20:04,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:20:04,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:20:04,847 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2024-11-13 13:20:04,850 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 285 transitions, 660 flow. Second operand has 6 states, 6 states have (on average 300.1666666666667) internal successors, (1801), 6 states have internal predecessors, (1801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:20:04,850 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:20:04,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2024-11-13 13:20:04,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:20:05,324 INFO L124 PetriNetUnfolderBase]: 168/1128 cut-off events. [2024-11-13 13:20:05,325 INFO L125 PetriNetUnfolderBase]: For 176/178 co-relation queries the response was YES. [2024-11-13 13:20:05,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1689 conditions, 1128 events. 168/1128 cut-off events. For 176/178 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 6292 event pairs, 14 based on Foata normal form. 0/1060 useless extension candidates. Maximal degree in co-relation 1613. Up to 176 conditions per place. [2024-11-13 13:20:05,336 INFO L140 encePairwiseOnDemand]: 366/373 looper letters, 47 selfloop transitions, 6 changer transitions 0/303 dead transitions. [2024-11-13 13:20:05,336 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 303 transitions, 834 flow [2024-11-13 13:20:05,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:20:05,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:20:05,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1835 transitions. [2024-11-13 13:20:05,342 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.819928507596068 [2024-11-13 13:20:05,343 INFO L175 Difference]: Start difference. First operand has 296 places, 285 transitions, 660 flow. Second operand 6 states and 1835 transitions. [2024-11-13 13:20:05,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 303 transitions, 834 flow [2024-11-13 13:20:05,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 303 transitions, 813 flow, removed 2 selfloop flow, removed 6 redundant places. [2024-11-13 13:20:05,351 INFO L231 Difference]: Finished difference. Result has 290 places, 283 transitions, 647 flow [2024-11-13 13:20:05,352 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=647, PETRI_PLACES=290, PETRI_TRANSITIONS=283} [2024-11-13 13:20:05,353 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -56 predicate places. [2024-11-13 13:20:05,354 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 283 transitions, 647 flow [2024-11-13 13:20:05,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 300.1666666666667) internal successors, (1801), 6 states have internal predecessors, (1801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:20:05,355 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:20:05,355 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] [2024-11-13 13:20:05,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-13 13:20:05,356 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-13 13:20:05,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:20:05,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1264001470, now seen corresponding path program 1 times [2024-11-13 13:20:05,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:20:05,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034873656] [2024-11-13 13:20:05,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:20:05,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:20:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:20:05,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:20:05,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:20:05,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034873656] [2024-11-13 13:20:05,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034873656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:20:05,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:20:05,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:20:05,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387283937] [2024-11-13 13:20:05,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:20:05,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:20:05,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:20:05,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:20:05,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:20:05,477 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 373 [2024-11-13 13:20:05,478 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 283 transitions, 647 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:20:05,479 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:20:05,479 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 373 [2024-11-13 13:20:05,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:20:05,777 INFO L124 PetriNetUnfolderBase]: 113/1179 cut-off events. [2024-11-13 13:20:05,778 INFO L125 PetriNetUnfolderBase]: For 208/211 co-relation queries the response was YES. [2024-11-13 13:20:05,783 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1628 conditions, 1179 events. 113/1179 cut-off events. For 208/211 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 6246 event pairs, 21 based on Foata normal form. 0/1125 useless extension candidates. Maximal degree in co-relation 1557. Up to 103 conditions per place. [2024-11-13 13:20:05,791 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 25 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2024-11-13 13:20:05,791 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 293 transitions, 746 flow [2024-11-13 13:20:05,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:20:05,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:20:05,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 968 transitions. [2024-11-13 13:20:05,795 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8650580875781948 [2024-11-13 13:20:05,795 INFO L175 Difference]: Start difference. First operand has 290 places, 283 transitions, 647 flow. Second operand 3 states and 968 transitions. [2024-11-13 13:20:05,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 293 transitions, 746 flow [2024-11-13 13:20:05,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 293 transitions, 730 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 13:20:05,802 INFO L231 Difference]: Finished difference. Result has 287 places, 283 transitions, 643 flow [2024-11-13 13:20:05,803 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=633, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=643, PETRI_PLACES=287, PETRI_TRANSITIONS=283} [2024-11-13 13:20:05,804 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -59 predicate places. [2024-11-13 13:20:05,804 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 283 transitions, 643 flow [2024-11-13 13:20:05,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:20:05,804 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:20:05,804 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] [2024-11-13 13:20:05,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 13:20:05,805 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2024-11-13 13:20:05,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:20:05,805 INFO L85 PathProgramCache]: Analyzing trace with hash 545785041, now seen corresponding path program 1 times [2024-11-13 13:20:05,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:20:05,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154412138] [2024-11-13 13:20:05,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:20:05,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:20:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:20:05,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:20:05,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:20:05,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154412138] [2024-11-13 13:20:05,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154412138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:20:05,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:20:05,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:20:05,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856023163] [2024-11-13 13:20:05,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:20:05,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:20:05,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:20:05,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:20:05,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:20:06,003 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 373 [2024-11-13 13:20:06,005 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 283 transitions, 643 flow. Second operand has 3 states, 3 states have (on average 316.3333333333333) internal successors, (949), 3 states have internal predecessors, (949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:20:06,005 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:20:06,005 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 373 [2024-11-13 13:20:06,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:20:06,370 INFO L124 PetriNetUnfolderBase]: 153/1359 cut-off events. [2024-11-13 13:20:06,371 INFO L125 PetriNetUnfolderBase]: For 188/201 co-relation queries the response was YES. [2024-11-13 13:20:06,375 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1899 conditions, 1359 events. 153/1359 cut-off events. For 188/201 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 7872 event pairs, 60 based on Foata normal form. 1/1288 useless extension candidates. Maximal degree in co-relation 1828. Up to 175 conditions per place. [2024-11-13 13:20:06,377 INFO L140 encePairwiseOnDemand]: 370/373 looper letters, 0 selfloop transitions, 0 changer transitions 287/287 dead transitions. [2024-11-13 13:20:06,377 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 287 transitions, 707 flow [2024-11-13 13:20:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:20:06,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:20:06,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 961 transitions. [2024-11-13 13:20:06,381 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8588025022341377 [2024-11-13 13:20:06,381 INFO L175 Difference]: Start difference. First operand has 287 places, 283 transitions, 643 flow. Second operand 3 states and 961 transitions. [2024-11-13 13:20:06,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 287 transitions, 707 flow [2024-11-13 13:20:06,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 287 transitions, 705 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:20:06,386 INFO L231 Difference]: Finished difference. Result has 287 places, 0 transitions, 0 flow [2024-11-13 13:20:06,386 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=639, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=287, PETRI_TRANSITIONS=0} [2024-11-13 13:20:06,387 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -59 predicate places. [2024-11-13 13:20:06,387 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 0 transitions, 0 flow [2024-11-13 13:20:06,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 316.3333333333333) internal successors, (949), 3 states have internal predecessors, (949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:20:06,392 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (116 of 117 remaining) [2024-11-13 13:20:06,392 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (115 of 117 remaining) [2024-11-13 13:20:06,393 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (114 of 117 remaining) [2024-11-13 13:20:06,393 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (113 of 117 remaining) [2024-11-13 13:20:06,393 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (112 of 117 remaining) [2024-11-13 13:20:06,393 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (111 of 117 remaining) [2024-11-13 13:20:06,393 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (110 of 117 remaining) [2024-11-13 13:20:06,393 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (109 of 117 remaining) [2024-11-13 13:20:06,393 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (108 of 117 remaining) [2024-11-13 13:20:06,394 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (107 of 117 remaining) [2024-11-13 13:20:06,394 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (106 of 117 remaining) [2024-11-13 13:20:06,394 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (105 of 117 remaining) [2024-11-13 13:20:06,394 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (104 of 117 remaining) [2024-11-13 13:20:06,394 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (103 of 117 remaining) [2024-11-13 13:20:06,394 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (102 of 117 remaining) [2024-11-13 13:20:06,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (101 of 117 remaining) [2024-11-13 13:20:06,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (100 of 117 remaining) [2024-11-13 13:20:06,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (99 of 117 remaining) [2024-11-13 13:20:06,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (98 of 117 remaining) [2024-11-13 13:20:06,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (97 of 117 remaining) [2024-11-13 13:20:06,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (96 of 117 remaining) [2024-11-13 13:20:06,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (95 of 117 remaining) [2024-11-13 13:20:06,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (94 of 117 remaining) [2024-11-13 13:20:06,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (93 of 117 remaining) [2024-11-13 13:20:06,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (92 of 117 remaining) [2024-11-13 13:20:06,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (91 of 117 remaining) [2024-11-13 13:20:06,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (90 of 117 remaining) [2024-11-13 13:20:06,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (89 of 117 remaining) [2024-11-13 13:20:06,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (88 of 117 remaining) [2024-11-13 13:20:06,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (87 of 117 remaining) [2024-11-13 13:20:06,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (86 of 117 remaining) [2024-11-13 13:20:06,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (85 of 117 remaining) [2024-11-13 13:20:06,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (84 of 117 remaining) [2024-11-13 13:20:06,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (83 of 117 remaining) [2024-11-13 13:20:06,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (82 of 117 remaining) [2024-11-13 13:20:06,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (81 of 117 remaining) [2024-11-13 13:20:06,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (80 of 117 remaining) [2024-11-13 13:20:06,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (79 of 117 remaining) [2024-11-13 13:20:06,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (78 of 117 remaining) [2024-11-13 13:20:06,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (77 of 117 remaining) [2024-11-13 13:20:06,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (76 of 117 remaining) [2024-11-13 13:20:06,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (75 of 117 remaining) [2024-11-13 13:20:06,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (74 of 117 remaining) [2024-11-13 13:20:06,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (73 of 117 remaining) [2024-11-13 13:20:06,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (72 of 117 remaining) [2024-11-13 13:20:06,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (71 of 117 remaining) [2024-11-13 13:20:06,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (70 of 117 remaining) [2024-11-13 13:20:06,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (69 of 117 remaining) [2024-11-13 13:20:06,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (68 of 117 remaining) [2024-11-13 13:20:06,399 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (67 of 117 remaining) [2024-11-13 13:20:06,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (66 of 117 remaining) [2024-11-13 13:20:06,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (65 of 117 remaining) [2024-11-13 13:20:06,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (64 of 117 remaining) [2024-11-13 13:20:06,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (63 of 117 remaining) [2024-11-13 13:20:06,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (62 of 117 remaining) [2024-11-13 13:20:06,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (61 of 117 remaining) [2024-11-13 13:20:06,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (60 of 117 remaining) [2024-11-13 13:20:06,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (59 of 117 remaining) [2024-11-13 13:20:06,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (58 of 117 remaining) [2024-11-13 13:20:06,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (57 of 117 remaining) [2024-11-13 13:20:06,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (56 of 117 remaining) [2024-11-13 13:20:06,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (55 of 117 remaining) [2024-11-13 13:20:06,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (54 of 117 remaining) [2024-11-13 13:20:06,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (53 of 117 remaining) [2024-11-13 13:20:06,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (52 of 117 remaining) [2024-11-13 13:20:06,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (51 of 117 remaining) [2024-11-13 13:20:06,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (50 of 117 remaining) [2024-11-13 13:20:06,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 117 remaining) [2024-11-13 13:20:06,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 117 remaining) [2024-11-13 13:20:06,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 117 remaining) [2024-11-13 13:20:06,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (46 of 117 remaining) [2024-11-13 13:20:06,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (45 of 117 remaining) [2024-11-13 13:20:06,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 117 remaining) [2024-11-13 13:20:06,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (43 of 117 remaining) [2024-11-13 13:20:06,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (42 of 117 remaining) [2024-11-13 13:20:06,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (41 of 117 remaining) [2024-11-13 13:20:06,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (40 of 117 remaining) [2024-11-13 13:20:06,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (39 of 117 remaining) [2024-11-13 13:20:06,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (38 of 117 remaining) [2024-11-13 13:20:06,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (37 of 117 remaining) [2024-11-13 13:20:06,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (36 of 117 remaining) [2024-11-13 13:20:06,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (35 of 117 remaining) [2024-11-13 13:20:06,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (34 of 117 remaining) [2024-11-13 13:20:06,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (33 of 117 remaining) [2024-11-13 13:20:06,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (32 of 117 remaining) [2024-11-13 13:20:06,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (31 of 117 remaining) [2024-11-13 13:20:06,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (30 of 117 remaining) [2024-11-13 13:20:06,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (29 of 117 remaining) [2024-11-13 13:20:06,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (28 of 117 remaining) [2024-11-13 13:20:06,404 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (27 of 117 remaining) [2024-11-13 13:20:06,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (26 of 117 remaining) [2024-11-13 13:20:06,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (25 of 117 remaining) [2024-11-13 13:20:06,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 117 remaining) [2024-11-13 13:20:06,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 117 remaining) [2024-11-13 13:20:06,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 117 remaining) [2024-11-13 13:20:06,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 117 remaining) [2024-11-13 13:20:06,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 117 remaining) [2024-11-13 13:20:06,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (19 of 117 remaining) [2024-11-13 13:20:06,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (18 of 117 remaining) [2024-11-13 13:20:06,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (17 of 117 remaining) [2024-11-13 13:20:06,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (16 of 117 remaining) [2024-11-13 13:20:06,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (15 of 117 remaining) [2024-11-13 13:20:06,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (14 of 117 remaining) [2024-11-13 13:20:06,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (13 of 117 remaining) [2024-11-13 13:20:06,407 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (12 of 117 remaining) [2024-11-13 13:20:06,407 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (11 of 117 remaining) [2024-11-13 13:20:06,407 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (10 of 117 remaining) [2024-11-13 13:20:06,410 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (9 of 117 remaining) [2024-11-13 13:20:06,410 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (8 of 117 remaining) [2024-11-13 13:20:06,410 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (7 of 117 remaining) [2024-11-13 13:20:06,410 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (6 of 117 remaining) [2024-11-13 13:20:06,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (5 of 117 remaining) [2024-11-13 13:20:06,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (4 of 117 remaining) [2024-11-13 13:20:06,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (3 of 117 remaining) [2024-11-13 13:20:06,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (2 of 117 remaining) [2024-11-13 13:20:06,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (1 of 117 remaining) [2024-11-13 13:20:06,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (0 of 117 remaining) [2024-11-13 13:20:06,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-13 13:20:06,412 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:20:06,425 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 13:20:06,425 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:20:06,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:20:06 BasicIcfg [2024-11-13 13:20:06,438 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:20:06,439 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:20:06,439 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:20:06,439 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:20:06,441 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:19:51" (3/4) ... [2024-11-13 13:20:06,446 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 13:20:06,452 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-13 13:20:06,452 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-13 13:20:06,467 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-11-13 13:20:06,467 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 13:20:06,468 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 13:20:06,469 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 13:20:06,596 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e4448c-1198-4aab-af69-eb276ab08a22/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 13:20:06,596 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e4448c-1198-4aab-af69-eb276ab08a22/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 13:20:06,596 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:20:06,600 INFO L158 Benchmark]: Toolchain (without parser) took 17983.73ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 92.8MB in the beginning and 222.9MB in the end (delta: -130.1MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2024-11-13 13:20:06,600 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:20:06,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.09ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 79.3MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:20:06,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.13ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 76.4MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:20:06,601 INFO L158 Benchmark]: Boogie Preprocessor took 77.08ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 74.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:20:06,603 INFO L158 Benchmark]: RCFGBuilder took 1799.94ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 41.1MB in the end (delta: 33.0MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-11-13 13:20:06,603 INFO L158 Benchmark]: TraceAbstraction took 15367.49ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 40.7MB in the beginning and 228.1MB in the end (delta: -187.5MB). Peak memory consumption was 144.9MB. Max. memory is 16.1GB. [2024-11-13 13:20:06,603 INFO L158 Benchmark]: Witness Printer took 157.73ms. Allocated memory is still 293.6MB. Free memory was 228.1MB in the beginning and 222.9MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:20:06,608 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.09ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 79.3MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.13ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 76.4MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 77.08ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 74.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1799.94ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 41.1MB in the end (delta: 33.0MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * TraceAbstraction took 15367.49ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 40.7MB in the beginning and 228.1MB in the end (delta: -187.5MB). Peak memory consumption was 144.9MB. Max. memory is 16.1GB. * Witness Printer took 157.73ms. Allocated memory is still 293.6MB. Free memory was 228.1MB in the beginning and 222.9MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 480 locations, 117 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 15.0s, OverallIterations: 25, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1087 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 594 mSDsluCounter, 297 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 186 mSDsCounter, 177 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1700 IncrementalHoareTripleChecker+Invalid, 1877 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 177 mSolverCounterUnsat, 111 mSDtfsCounter, 1700 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=720occurred in iteration=0, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 3058 NumberOfCodeBlocks, 3058 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 3033 ConstructedInterpolants, 0 QuantifiedInterpolants, 3979 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 67 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 13:20:06,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93e4448c-1198-4aab-af69-eb276ab08a22/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE