./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/twostage_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1f13958-0ca9-41f3-b5f6-fbe4f6d5e077/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1f13958-0ca9-41f3-b5f6-fbe4f6d5e077/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_b1f13958-0ca9-41f3-b5f6-fbe4f6d5e077/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1f13958-0ca9-41f3-b5f6-fbe4f6d5e077/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/twostage_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1f13958-0ca9-41f3-b5f6-fbe4f6d5e077/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_b1f13958-0ca9-41f3-b5f6-fbe4f6d5e077/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 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:04:35,821 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:04:35,893 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1f13958-0ca9-41f3-b5f6-fbe4f6d5e077/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 15:04:35,898 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:04:35,899 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:04:35,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:04:35,927 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:04:35,928 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:04:35,928 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:04:35,928 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:04:35,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:04:35,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:04:35,929 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:04:35,929 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:04:35,930 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:04:35,930 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:04:35,930 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:04:35,930 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:04:35,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:04:35,930 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:04:35,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:04:35,931 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:04:35,931 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 15:04:35,931 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:04:35,931 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:04:35,931 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:04:35,932 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:04:35,932 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:04:35,932 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:04:35,932 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:04:35,932 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:04:35,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:04:35,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:04:35,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:04:35,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:04:35,933 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:04:35,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:04:35,934 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:04:35,934 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:04:35,934 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:04:35,934 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:04:35,934 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_b1f13958-0ca9-41f3-b5f6-fbe4f6d5e077/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 -> 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 [2024-11-13 15:04:36,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:04:36,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:04:36,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:04:36,363 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:04:36,364 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:04:36,367 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1f13958-0ca9-41f3-b5f6-fbe4f6d5e077/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/pthread/twostage_3.i Unable to find full path for "g++" [2024-11-13 15:04:38,651 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:04:39,130 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:04:39,131 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1f13958-0ca9-41f3-b5f6-fbe4f6d5e077/sv-benchmarks/c/pthread/twostage_3.i [2024-11-13 15:04:39,159 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1f13958-0ca9-41f3-b5f6-fbe4f6d5e077/bin/uautomizer-verify-qhAvR1uOyd/data/d8b1b850f/d43a8f758a3645cb805cb1ac0749df98/FLAG5a6325a7b [2024-11-13 15:04:39,253 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1f13958-0ca9-41f3-b5f6-fbe4f6d5e077/bin/uautomizer-verify-qhAvR1uOyd/data/d8b1b850f/d43a8f758a3645cb805cb1ac0749df98 [2024-11-13 15:04:39,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:04:39,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:04:39,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:04:39,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:04:39,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:04:39,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:04:39" (1/1) ... [2024-11-13 15:04:39,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7586f074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:04:39, skipping insertion in model container [2024-11-13 15:04:39,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:04:39" (1/1) ... [2024-11-13 15:04:39,324 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:04:40,113 WARN L1684 CHandler]: Possible shadowing of function lock [2024-11-13 15:04:40,115 WARN L1684 CHandler]: Possible shadowing of function lock [2024-11-13 15:04:40,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:04:40,132 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:04:40,272 WARN L1684 CHandler]: Possible shadowing of function lock [2024-11-13 15:04:40,276 WARN L1684 CHandler]: Possible shadowing of function lock [2024-11-13 15:04:40,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:04:40,411 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:04:40,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:04:40 WrapperNode [2024-11-13 15:04:40,412 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:04:40,414 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:04:40,414 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:04:40,414 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:04:40,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:04:40" (1/1) ... [2024-11-13 15:04:40,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:04:40" (1/1) ... [2024-11-13 15:04:40,495 INFO L138 Inliner]: procedures = 373, calls = 34, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 272 [2024-11-13 15:04:40,496 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:04:40,496 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:04:40,497 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:04:40,497 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:04:40,506 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:04:40" (1/1) ... [2024-11-13 15:04:40,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:04:40" (1/1) ... [2024-11-13 15:04:40,512 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:04:40" (1/1) ... [2024-11-13 15:04:40,512 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:04:40" (1/1) ... [2024-11-13 15:04:40,536 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:04:40" (1/1) ... [2024-11-13 15:04:40,551 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:04:40" (1/1) ... [2024-11-13 15:04:40,554 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:04:40" (1/1) ... [2024-11-13 15:04:40,555 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:04:40" (1/1) ... [2024-11-13 15:04:40,559 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:04:40,560 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:04:40,561 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:04:40,561 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:04:40,562 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:04:40" (1/1) ... [2024-11-13 15:04:40,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:04:40,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1f13958-0ca9-41f3-b5f6-fbe4f6d5e077/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:04:40,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1f13958-0ca9-41f3-b5f6-fbe4f6d5e077/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:04:40,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1f13958-0ca9-41f3-b5f6-fbe4f6d5e077/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:04:40,637 INFO L130 BoogieDeclarations]: Found specification of procedure funcA [2024-11-13 15:04:40,637 INFO L138 BoogieDeclarations]: Found implementation of procedure funcA [2024-11-13 15:04:40,638 INFO L130 BoogieDeclarations]: Found specification of procedure funcB [2024-11-13 15:04:40,638 INFO L138 BoogieDeclarations]: Found implementation of procedure funcB [2024-11-13 15:04:40,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 15:04:40,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:04:40,638 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 15:04:40,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 15:04:40,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 15:04:40,639 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 15:04:40,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 15:04:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:04:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 15:04:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:04:40,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:04:40,642 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 15:04:40,866 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:04:40,868 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:04:41,568 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 15:04:41,569 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:04:41,645 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:04:41,645 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 15:04:41,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:04:41 BoogieIcfgContainer [2024-11-13 15:04:41,646 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:04:41,652 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:04:41,652 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:04:41,659 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:04:41,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:04:39" (1/3) ... [2024-11-13 15:04:41,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8d7d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:04:41, skipping insertion in model container [2024-11-13 15:04:41,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:04:40" (2/3) ... [2024-11-13 15:04:41,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8d7d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:04:41, skipping insertion in model container [2024-11-13 15:04:41,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:04:41" (3/3) ... [2024-11-13 15:04:41,664 INFO L112 eAbstractionObserver]: Analyzing ICFG twostage_3.i [2024-11-13 15:04:41,691 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:04:41,693 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG twostage_3.i that has 3 procedures, 347 locations, 1 initial locations, 4 loop locations, and 45 error locations. [2024-11-13 15:04:41,694 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 15:04:41,835 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-13 15:04:41,903 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 353 places, 369 transitions, 758 flow [2024-11-13 15:04:42,287 INFO L124 PetriNetUnfolderBase]: 43/682 cut-off events. [2024-11-13 15:04:42,295 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-13 15:04:42,316 INFO L83 FinitePrefix]: Finished finitePrefix Result has 699 conditions, 682 events. 43/682 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2959 event pairs, 0 based on Foata normal form. 0/554 useless extension candidates. Maximal degree in co-relation 354. Up to 8 conditions per place. [2024-11-13 15:04:42,317 INFO L82 GeneralOperation]: Start removeDead. Operand has 353 places, 369 transitions, 758 flow [2024-11-13 15:04:42,332 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 353 places, 369 transitions, 758 flow [2024-11-13 15:04:42,347 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:04:42,371 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;@4dccafd1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:04:42,372 INFO L334 AbstractCegarLoop]: Starting to check reachability of 65 error locations. [2024-11-13 15:04:42,382 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 15:04:42,382 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-13 15:04:42,382 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:04:42,383 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:04:42,384 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] [2024-11-13 15:04:42,385 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-13 15:04:42,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:04:42,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1250623025, now seen corresponding path program 1 times [2024-11-13 15:04:42,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:04:42,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358148096] [2024-11-13 15:04:42,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:04:42,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:04:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:42,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:04:42,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:04:42,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358148096] [2024-11-13 15:04:42,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358148096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:04:42,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:04:42,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:04:42,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80781640] [2024-11-13 15:04:42,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:04:42,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:04:42,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:04:42,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:04:42,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:04:42,794 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 369 [2024-11-13 15:04:42,803 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 369 transitions, 758 flow. Second operand has 3 states, 3 states have (on average 324.6666666666667) internal successors, (974), 3 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:04:42,803 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:04:42,803 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 369 [2024-11-13 15:04:42,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:04:43,723 INFO L124 PetriNetUnfolderBase]: 271/2560 cut-off events. [2024-11-13 15:04:43,723 INFO L125 PetriNetUnfolderBase]: For 102/102 co-relation queries the response was YES. [2024-11-13 15:04:43,738 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3072 conditions, 2560 events. 271/2560 cut-off events. For 102/102 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 20195 event pairs, 234 based on Foata normal form. 246/2367 useless extension candidates. Maximal degree in co-relation 2414. Up to 458 conditions per place. [2024-11-13 15:04:43,758 INFO L140 encePairwiseOnDemand]: 350/369 looper letters, 25 selfloop transitions, 1 changer transitions 8/349 dead transitions. [2024-11-13 15:04:43,759 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 349 transitions, 770 flow [2024-11-13 15:04:43,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:04:43,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:04:43,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1016 transitions. [2024-11-13 15:04:43,788 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9177958446251129 [2024-11-13 15:04:43,794 INFO L175 Difference]: Start difference. First operand has 353 places, 369 transitions, 758 flow. Second operand 3 states and 1016 transitions. [2024-11-13 15:04:43,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 349 transitions, 770 flow [2024-11-13 15:04:43,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 349 transitions, 770 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:04:43,823 INFO L231 Difference]: Finished difference. Result has 349 places, 341 transitions, 704 flow [2024-11-13 15:04:43,829 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=718, PETRI_DIFFERENCE_MINUEND_PLACES=347, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=704, PETRI_PLACES=349, PETRI_TRANSITIONS=341} [2024-11-13 15:04:43,835 INFO L277 CegarLoopForPetriNet]: 353 programPoint places, -4 predicate places. [2024-11-13 15:04:43,836 INFO L471 AbstractCegarLoop]: Abstraction has has 349 places, 341 transitions, 704 flow [2024-11-13 15:04:43,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 324.6666666666667) internal successors, (974), 3 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:04:43,838 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:04:43,838 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] [2024-11-13 15:04:43,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:04:43,839 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-13 15:04:43,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:04:43,841 INFO L85 PathProgramCache]: Analyzing trace with hash -114479350, now seen corresponding path program 1 times [2024-11-13 15:04:43,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:04:43,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920365950] [2024-11-13 15:04:43,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:04:43,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:04:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:44,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:04:44,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:04:44,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920365950] [2024-11-13 15:04:44,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920365950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:04:44,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:04:44,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:04:44,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51886591] [2024-11-13 15:04:44,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:04:44,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:04:44,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:04:44,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:04:44,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:04:44,078 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 334 out of 369 [2024-11-13 15:04:44,082 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 341 transitions, 704 flow. Second operand has 3 states, 3 states have (on average 334.6666666666667) internal successors, (1004), 3 states have internal predecessors, (1004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:04:44,082 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:04:44,082 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 369 [2024-11-13 15:04:44,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:04:45,061 INFO L124 PetriNetUnfolderBase]: 152/2660 cut-off events. [2024-11-13 15:04:45,061 INFO L125 PetriNetUnfolderBase]: For 210/266 co-relation queries the response was YES. [2024-11-13 15:04:45,073 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3059 conditions, 2660 events. 152/2660 cut-off events. For 210/266 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 20645 event pairs, 116 based on Foata normal form. 0/2231 useless extension candidates. Maximal degree in co-relation 1499. Up to 147 conditions per place. [2024-11-13 15:04:45,089 INFO L140 encePairwiseOnDemand]: 367/369 looper letters, 35 selfloop transitions, 1 changer transitions 0/357 dead transitions. [2024-11-13 15:04:45,090 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 357 transitions, 826 flow [2024-11-13 15:04:45,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:04:45,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:04:45,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1039 transitions. [2024-11-13 15:04:45,095 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.938572719060524 [2024-11-13 15:04:45,095 INFO L175 Difference]: Start difference. First operand has 349 places, 341 transitions, 704 flow. Second operand 3 states and 1039 transitions. [2024-11-13 15:04:45,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 357 transitions, 826 flow [2024-11-13 15:04:45,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 357 transitions, 825 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:04:45,110 INFO L231 Difference]: Finished difference. Result has 341 places, 340 transitions, 703 flow [2024-11-13 15:04:45,111 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=701, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=703, PETRI_PLACES=341, PETRI_TRANSITIONS=340} [2024-11-13 15:04:45,112 INFO L277 CegarLoopForPetriNet]: 353 programPoint places, -12 predicate places. [2024-11-13 15:04:45,113 INFO L471 AbstractCegarLoop]: Abstraction has has 341 places, 340 transitions, 703 flow [2024-11-13 15:04:45,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.6666666666667) internal successors, (1004), 3 states have internal predecessors, (1004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:04:45,114 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:04:45,114 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] [2024-11-13 15:04:45,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:04:45,114 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-13 15:04:45,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:04:45,118 INFO L85 PathProgramCache]: Analyzing trace with hash 746072202, now seen corresponding path program 1 times [2024-11-13 15:04:45,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:04:45,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11597094] [2024-11-13 15:04:45,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:04:45,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:04:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:45,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:04:45,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:04:45,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11597094] [2024-11-13 15:04:45,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11597094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:04:45,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:04:45,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:04:45,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630527627] [2024-11-13 15:04:45,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:04:45,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:04:45,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:04:45,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:04:45,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:04:45,300 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 369 [2024-11-13 15:04:45,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 340 transitions, 703 flow. Second operand has 3 states, 3 states have (on average 313.6666666666667) internal successors, (941), 3 states have internal predecessors, (941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:04:45,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:04:45,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 369 [2024-11-13 15:04:45,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:04:46,464 INFO L124 PetriNetUnfolderBase]: 728/3855 cut-off events. [2024-11-13 15:04:46,465 INFO L125 PetriNetUnfolderBase]: For 234/290 co-relation queries the response was YES. [2024-11-13 15:04:46,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5294 conditions, 3855 events. 728/3855 cut-off events. For 234/290 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 32368 event pairs, 156 based on Foata normal form. 5/3415 useless extension candidates. Maximal degree in co-relation 2644. Up to 1033 conditions per place. [2024-11-13 15:04:46,513 INFO L140 encePairwiseOnDemand]: 353/369 looper letters, 37 selfloop transitions, 5 changer transitions 11/349 dead transitions. [2024-11-13 15:04:46,513 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 349 transitions, 821 flow [2024-11-13 15:04:46,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:04:46,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:04:46,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 994 transitions. [2024-11-13 15:04:46,518 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8979223125564589 [2024-11-13 15:04:46,519 INFO L175 Difference]: Start difference. First operand has 341 places, 340 transitions, 703 flow. Second operand 3 states and 994 transitions. [2024-11-13 15:04:46,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 349 transitions, 821 flow [2024-11-13 15:04:46,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 349 transitions, 820 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:04:46,530 INFO L231 Difference]: Finished difference. Result has 335 places, 325 transitions, 691 flow [2024-11-13 15:04:46,531 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=686, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=691, PETRI_PLACES=335, PETRI_TRANSITIONS=325} [2024-11-13 15:04:46,532 INFO L277 CegarLoopForPetriNet]: 353 programPoint places, -18 predicate places. [2024-11-13 15:04:46,532 INFO L471 AbstractCegarLoop]: Abstraction has has 335 places, 325 transitions, 691 flow [2024-11-13 15:04:46,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.6666666666667) internal successors, (941), 3 states have internal predecessors, (941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:04:46,533 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:04:46,533 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 15:04:46,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:04:46,534 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-13 15:04:46,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:04:46,536 INFO L85 PathProgramCache]: Analyzing trace with hash 230185734, now seen corresponding path program 1 times [2024-11-13 15:04:46,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:04:46,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282316833] [2024-11-13 15:04:46,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:04:46,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:04:46,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:46,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:04:46,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:04:46,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282316833] [2024-11-13 15:04:46,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282316833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:04:46,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:04:46,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:04:46,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872827118] [2024-11-13 15:04:46,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:04:46,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:04:46,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:04:46,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:04:46,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:04:46,708 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 369 [2024-11-13 15:04:46,711 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 325 transitions, 691 flow. Second operand has 3 states, 3 states have (on average 324.6666666666667) internal successors, (974), 3 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:04:46,711 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:04:46,711 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 369 [2024-11-13 15:04:46,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:04:48,245 INFO L124 PetriNetUnfolderBase]: 892/6890 cut-off events. [2024-11-13 15:04:48,246 INFO L125 PetriNetUnfolderBase]: For 204/204 co-relation queries the response was YES. [2024-11-13 15:04:48,272 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8651 conditions, 6890 events. 892/6890 cut-off events. For 204/204 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 69756 event pairs, 772 based on Foata normal form. 0/5806 useless extension candidates. Maximal degree in co-relation 7876. Up to 1414 conditions per place. [2024-11-13 15:04:48,301 INFO L140 encePairwiseOnDemand]: 363/369 looper letters, 25 selfloop transitions, 2 changer transitions 0/322 dead transitions. [2024-11-13 15:04:48,301 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 322 transitions, 739 flow [2024-11-13 15:04:48,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:04:48,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:04:48,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1003 transitions. [2024-11-13 15:04:48,307 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9060523938572719 [2024-11-13 15:04:48,307 INFO L175 Difference]: Start difference. First operand has 335 places, 325 transitions, 691 flow. Second operand 3 states and 1003 transitions. [2024-11-13 15:04:48,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 322 transitions, 739 flow [2024-11-13 15:04:48,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 322 transitions, 739 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:04:48,320 INFO L231 Difference]: Finished difference. Result has 325 places, 322 transitions, 693 flow [2024-11-13 15:04:48,321 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=683, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=693, PETRI_PLACES=325, PETRI_TRANSITIONS=322} [2024-11-13 15:04:48,322 INFO L277 CegarLoopForPetriNet]: 353 programPoint places, -28 predicate places. [2024-11-13 15:04:48,323 INFO L471 AbstractCegarLoop]: Abstraction has has 325 places, 322 transitions, 693 flow [2024-11-13 15:04:48,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 324.6666666666667) internal successors, (974), 3 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:04:48,324 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:04:48,325 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] [2024-11-13 15:04:48,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:04:48,325 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-13 15:04:48,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:04:48,325 INFO L85 PathProgramCache]: Analyzing trace with hash 754219123, now seen corresponding path program 1 times [2024-11-13 15:04:48,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:04:48,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033061046] [2024-11-13 15:04:48,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:04:48,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:04:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:48,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:04:48,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:04:48,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033061046] [2024-11-13 15:04:48,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033061046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:04:48,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:04:48,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:04:48,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120878654] [2024-11-13 15:04:48,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:04:48,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:04:48,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:04:48,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:04:48,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:04:48,469 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 369 [2024-11-13 15:04:48,471 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 322 transitions, 693 flow. Second operand has 3 states, 3 states have (on average 327.3333333333333) internal successors, (982), 3 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:04:48,471 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:04:48,471 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 369 [2024-11-13 15:04:48,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:04:49,651 INFO L124 PetriNetUnfolderBase]: 544/4903 cut-off events. [2024-11-13 15:04:49,652 INFO L125 PetriNetUnfolderBase]: For 204/204 co-relation queries the response was YES. [2024-11-13 15:04:49,679 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6099 conditions, 4903 events. 544/4903 cut-off events. For 204/204 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 47151 event pairs, 456 based on Foata normal form. 0/4156 useless extension candidates. Maximal degree in co-relation 5547. Up to 902 conditions per place. [2024-11-13 15:04:49,702 INFO L140 encePairwiseOnDemand]: 366/369 looper letters, 25 selfloop transitions, 2 changer transitions 0/321 dead transitions. [2024-11-13 15:04:49,702 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 321 transitions, 745 flow [2024-11-13 15:04:49,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:04:49,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:04:49,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1006 transitions. [2024-11-13 15:04:49,706 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9087624209575429 [2024-11-13 15:04:49,706 INFO L175 Difference]: Start difference. First operand has 325 places, 322 transitions, 693 flow. Second operand 3 states and 1006 transitions. [2024-11-13 15:04:49,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 321 transitions, 745 flow [2024-11-13 15:04:49,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 321 transitions, 745 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:04:49,716 INFO L231 Difference]: Finished difference. Result has 326 places, 321 transitions, 695 flow [2024-11-13 15:04:49,717 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=691, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=695, PETRI_PLACES=326, PETRI_TRANSITIONS=321} [2024-11-13 15:04:49,719 INFO L277 CegarLoopForPetriNet]: 353 programPoint places, -27 predicate places. [2024-11-13 15:04:49,720 INFO L471 AbstractCegarLoop]: Abstraction has has 326 places, 321 transitions, 695 flow [2024-11-13 15:04:49,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 327.3333333333333) internal successors, (982), 3 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:04:49,721 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:04:49,721 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] [2024-11-13 15:04:49,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 15:04:49,722 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-13 15:04:49,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:04:49,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1638108358, now seen corresponding path program 1 times [2024-11-13 15:04:49,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:04:49,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826194223] [2024-11-13 15:04:49,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:04:49,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:04:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:49,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:04:49,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:04:49,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826194223] [2024-11-13 15:04:49,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826194223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:04:49,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:04:49,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:04:49,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753653260] [2024-11-13 15:04:49,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:04:49,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:04:49,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:04:49,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:04:49,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:04:49,834 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 369 [2024-11-13 15:04:49,836 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 321 transitions, 695 flow. Second operand has 3 states, 3 states have (on average 328.6666666666667) internal successors, (986), 3 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:04:49,838 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:04:49,839 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 369 [2024-11-13 15:04:49,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:04:50,832 INFO L124 PetriNetUnfolderBase]: 344/3671 cut-off events. [2024-11-13 15:04:50,832 INFO L125 PetriNetUnfolderBase]: For 210/266 co-relation queries the response was YES. [2024-11-13 15:04:50,853 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4506 conditions, 3671 events. 344/3671 cut-off events. For 210/266 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 33318 event pairs, 280 based on Foata normal form. 2/3100 useless extension candidates. Maximal degree in co-relation 4113. Up to 588 conditions per place. [2024-11-13 15:04:50,874 INFO L140 encePairwiseOnDemand]: 367/369 looper letters, 24 selfloop transitions, 0 changer transitions 1/320 dead transitions. [2024-11-13 15:04:50,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 320 transitions, 740 flow [2024-11-13 15:04:50,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:04:50,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:04:50,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1007 transitions. [2024-11-13 15:04:50,880 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9096657633242999 [2024-11-13 15:04:50,882 INFO L175 Difference]: Start difference. First operand has 326 places, 321 transitions, 695 flow. Second operand 3 states and 1007 transitions. [2024-11-13 15:04:50,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 320 transitions, 740 flow [2024-11-13 15:04:50,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 320 transitions, 732 flow, removed 1 selfloop flow, removed 4 redundant places. [2024-11-13 15:04:50,893 INFO L231 Difference]: Finished difference. Result has 325 places, 319 transitions, 682 flow [2024-11-13 15:04:50,893 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=682, PETRI_PLACES=325, PETRI_TRANSITIONS=319} [2024-11-13 15:04:50,895 INFO L277 CegarLoopForPetriNet]: 353 programPoint places, -28 predicate places. [2024-11-13 15:04:50,896 INFO L471 AbstractCegarLoop]: Abstraction has has 325 places, 319 transitions, 682 flow [2024-11-13 15:04:50,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.6666666666667) internal successors, (986), 3 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:04:50,897 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:04:50,897 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] [2024-11-13 15:04:50,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 15:04:50,898 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-13 15:04:50,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:04:50,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1452767347, now seen corresponding path program 1 times [2024-11-13 15:04:50,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:04:50,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882521373] [2024-11-13 15:04:50,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:04:50,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:04:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:51,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:04:51,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:04:51,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882521373] [2024-11-13 15:04:51,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882521373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:04:51,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:04:51,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:04:51,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555628210] [2024-11-13 15:04:51,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:04:51,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:04:51,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:04:51,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:04:51,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:04:51,053 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 334 out of 369 [2024-11-13 15:04:51,055 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 319 transitions, 682 flow. Second operand has 3 states, 3 states have (on average 334.6666666666667) internal successors, (1004), 3 states have internal predecessors, (1004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:04:51,056 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:04:51,056 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 369 [2024-11-13 15:04:51,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:04:51,758 INFO L124 PetriNetUnfolderBase]: 154/2608 cut-off events. [2024-11-13 15:04:51,758 INFO L125 PetriNetUnfolderBase]: For 210/266 co-relation queries the response was YES. [2024-11-13 15:04:51,767 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3110 conditions, 2608 events. 154/2608 cut-off events. For 210/266 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 20177 event pairs, 116 based on Foata normal form. 0/2260 useless extension candidates. Maximal degree in co-relation 3103. Up to 147 conditions per place. [2024-11-13 15:04:51,779 INFO L140 encePairwiseOnDemand]: 367/369 looper letters, 35 selfloop transitions, 1 changer transitions 0/335 dead transitions. [2024-11-13 15:04:51,779 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 335 transitions, 804 flow [2024-11-13 15:04:51,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:04:51,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:04:51,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1039 transitions. [2024-11-13 15:04:51,782 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.938572719060524 [2024-11-13 15:04:51,783 INFO L175 Difference]: Start difference. First operand has 325 places, 319 transitions, 682 flow. Second operand 3 states and 1039 transitions. [2024-11-13 15:04:51,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 335 transitions, 804 flow [2024-11-13 15:04:51,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 335 transitions, 802 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-13 15:04:51,790 INFO L231 Difference]: Finished difference. Result has 324 places, 318 transitions, 680 flow [2024-11-13 15:04:51,791 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=678, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=680, PETRI_PLACES=324, PETRI_TRANSITIONS=318} [2024-11-13 15:04:51,792 INFO L277 CegarLoopForPetriNet]: 353 programPoint places, -29 predicate places. [2024-11-13 15:04:51,792 INFO L471 AbstractCegarLoop]: Abstraction has has 324 places, 318 transitions, 680 flow [2024-11-13 15:04:51,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.6666666666667) internal successors, (1004), 3 states have internal predecessors, (1004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:04:51,793 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:04:51,793 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:04:51,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 15:04:51,793 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-13 15:04:51,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:04:51,794 INFO L85 PathProgramCache]: Analyzing trace with hash 546767648, now seen corresponding path program 1 times [2024-11-13 15:04:51,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:04:51,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749589585] [2024-11-13 15:04:51,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:04:51,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:04:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:51,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:04:51,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:04:51,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749589585] [2024-11-13 15:04:51,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749589585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:04:51,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:04:51,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:04:51,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184118093] [2024-11-13 15:04:51,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:04:51,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:04:51,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:04:51,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:04:51,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:04:51,934 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 369 [2024-11-13 15:04:51,935 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 318 transitions, 680 flow. Second operand has 3 states, 3 states have (on average 323.3333333333333) internal successors, (970), 3 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:04:51,936 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:04:51,936 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 369 [2024-11-13 15:04:51,936 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:04:52,919 INFO L124 PetriNetUnfolderBase]: 728/5154 cut-off events. [2024-11-13 15:04:52,919 INFO L125 PetriNetUnfolderBase]: For 302/452 co-relation queries the response was YES. [2024-11-13 15:04:52,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6720 conditions, 5154 events. 728/5154 cut-off events. For 302/452 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 51476 event pairs, 644 based on Foata normal form. 0/4296 useless extension candidates. Maximal degree in co-relation 6713. Up to 1238 conditions per place. [2024-11-13 15:04:52,961 INFO L140 encePairwiseOnDemand]: 366/369 looper letters, 29 selfloop transitions, 2 changer transitions 0/317 dead transitions. [2024-11-13 15:04:52,961 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 317 transitions, 740 flow [2024-11-13 15:04:52,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:04:52,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:04:52,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 998 transitions. [2024-11-13 15:04:52,965 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9015356820234869 [2024-11-13 15:04:52,965 INFO L175 Difference]: Start difference. First operand has 324 places, 318 transitions, 680 flow. Second operand 3 states and 998 transitions. [2024-11-13 15:04:52,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 317 transitions, 740 flow [2024-11-13 15:04:52,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 317 transitions, 739 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:04:52,973 INFO L231 Difference]: Finished difference. Result has 324 places, 317 transitions, 681 flow [2024-11-13 15:04:52,973 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=677, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=681, PETRI_PLACES=324, PETRI_TRANSITIONS=317} [2024-11-13 15:04:52,974 INFO L277 CegarLoopForPetriNet]: 353 programPoint places, -29 predicate places. [2024-11-13 15:04:52,974 INFO L471 AbstractCegarLoop]: Abstraction has has 324 places, 317 transitions, 681 flow [2024-11-13 15:04:52,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 323.3333333333333) internal successors, (970), 3 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:04:52,975 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:04:52,975 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] [2024-11-13 15:04:52,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 15:04:52,976 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-13 15:04:52,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:04:52,976 INFO L85 PathProgramCache]: Analyzing trace with hash -519363980, now seen corresponding path program 1 times [2024-11-13 15:04:52,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:04:52,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808157936] [2024-11-13 15:04:52,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:04:52,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:04:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:53,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:04:53,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:04:53,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808157936] [2024-11-13 15:04:53,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808157936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:04:53,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:04:53,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:04:53,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641208382] [2024-11-13 15:04:53,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:04:53,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:04:53,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:04:53,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:04:53,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:04:53,059 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 369 [2024-11-13 15:04:53,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 317 transitions, 681 flow. Second operand has 3 states, 3 states have (on average 327.3333333333333) internal successors, (982), 3 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:04:53,061 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:04:53,061 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 369 [2024-11-13 15:04:53,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:04:53,965 INFO L124 PetriNetUnfolderBase]: 710/5735 cut-off events. [2024-11-13 15:04:53,965 INFO L125 PetriNetUnfolderBase]: For 204/204 co-relation queries the response was YES. [2024-11-13 15:04:53,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7195 conditions, 5735 events. 710/5735 cut-off events. For 204/204 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 57088 event pairs, 608 based on Foata normal form. 0/4836 useless extension candidates. Maximal degree in co-relation 7188. Up to 1136 conditions per place. [2024-11-13 15:04:53,997 INFO L140 encePairwiseOnDemand]: 366/369 looper letters, 25 selfloop transitions, 2 changer transitions 0/316 dead transitions. [2024-11-13 15:04:53,997 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 316 transitions, 733 flow [2024-11-13 15:04:53,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:04:53,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:04:53,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1006 transitions. [2024-11-13 15:04:54,000 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9087624209575429 [2024-11-13 15:04:54,000 INFO L175 Difference]: Start difference. First operand has 324 places, 317 transitions, 681 flow. Second operand 3 states and 1006 transitions. [2024-11-13 15:04:54,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 316 transitions, 733 flow [2024-11-13 15:04:54,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 316 transitions, 729 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:04:54,008 INFO L231 Difference]: Finished difference. Result has 323 places, 316 transitions, 679 flow [2024-11-13 15:04:54,008 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=675, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=679, PETRI_PLACES=323, PETRI_TRANSITIONS=316} [2024-11-13 15:04:54,009 INFO L277 CegarLoopForPetriNet]: 353 programPoint places, -30 predicate places. [2024-11-13 15:04:54,009 INFO L471 AbstractCegarLoop]: Abstraction has has 323 places, 316 transitions, 679 flow [2024-11-13 15:04:54,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 327.3333333333333) internal successors, (982), 3 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:04:54,010 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:04:54,010 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 15:04:54,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 15:04:54,011 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-13 15:04:54,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:04:54,011 INFO L85 PathProgramCache]: Analyzing trace with hash 902807848, now seen corresponding path program 1 times [2024-11-13 15:04:54,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:04:54,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320753570] [2024-11-13 15:04:54,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:04:54,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:04:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:54,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:04:54,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:04:54,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320753570] [2024-11-13 15:04:54,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320753570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:04:54,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:04:54,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:04:54,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905490630] [2024-11-13 15:04:54,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:04:54,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:04:54,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:04:54,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:04:54,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:04:54,114 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 325 out of 369 [2024-11-13 15:04:54,116 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 316 transitions, 679 flow. Second operand has 3 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:04:54,116 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:04:54,116 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 325 of 369 [2024-11-13 15:04:54,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:04:54,812 INFO L124 PetriNetUnfolderBase]: 548/4443 cut-off events. [2024-11-13 15:04:54,812 INFO L125 PetriNetUnfolderBase]: For 262/328 co-relation queries the response was YES. [2024-11-13 15:04:54,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5669 conditions, 4443 events. 548/4443 cut-off events. For 262/328 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 42999 event pairs, 472 based on Foata normal form. 0/3780 useless extension candidates. Maximal degree in co-relation 5662. Up to 932 conditions per place. [2024-11-13 15:04:54,833 INFO L140 encePairwiseOnDemand]: 366/369 looper letters, 26 selfloop transitions, 2 changer transitions 0/315 dead transitions. [2024-11-13 15:04:54,834 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 315 transitions, 733 flow [2024-11-13 15:04:54,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:04:54,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:04:54,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1004 transitions. [2024-11-13 15:04:54,837 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9069557362240289 [2024-11-13 15:04:54,837 INFO L175 Difference]: Start difference. First operand has 323 places, 316 transitions, 679 flow. Second operand 3 states and 1004 transitions. [2024-11-13 15:04:54,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 315 transitions, 733 flow [2024-11-13 15:04:54,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 315 transitions, 729 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:04:54,844 INFO L231 Difference]: Finished difference. Result has 322 places, 315 transitions, 677 flow [2024-11-13 15:04:54,845 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=673, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=677, PETRI_PLACES=322, PETRI_TRANSITIONS=315} [2024-11-13 15:04:54,846 INFO L277 CegarLoopForPetriNet]: 353 programPoint places, -31 predicate places. [2024-11-13 15:04:54,846 INFO L471 AbstractCegarLoop]: Abstraction has has 322 places, 315 transitions, 677 flow [2024-11-13 15:04:54,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:04:54,847 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:04:54,847 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] [2024-11-13 15:04:54,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 15:04:54,847 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-13 15:04:54,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:04:54,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1497470812, now seen corresponding path program 1 times [2024-11-13 15:04:54,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:04:54,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869098841] [2024-11-13 15:04:54,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:04:54,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:04:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:54,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:04:54,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:04:54,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869098841] [2024-11-13 15:04:54,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869098841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:04:54,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:04:54,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:04:54,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364869851] [2024-11-13 15:04:54,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:04:54,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:04:54,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:04:54,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:04:54,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:04:55,001 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 369 [2024-11-13 15:04:55,003 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 315 transitions, 677 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 15:04:55,003 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:04:55,003 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 369 [2024-11-13 15:04:55,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:04:55,896 INFO L124 PetriNetUnfolderBase]: 570/5505 cut-off events. [2024-11-13 15:04:55,897 INFO L125 PetriNetUnfolderBase]: For 490/1428 co-relation queries the response was YES. [2024-11-13 15:04:55,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7038 conditions, 5505 events. 570/5505 cut-off events. For 490/1428 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 53677 event pairs, 436 based on Foata normal form. 0/4874 useless extension candidates. Maximal degree in co-relation 7031. Up to 1006 conditions per place. [2024-11-13 15:04:55,927 INFO L140 encePairwiseOnDemand]: 360/369 looper letters, 33 selfloop transitions, 1 changer transitions 0/307 dead transitions. [2024-11-13 15:04:55,927 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 307 transitions, 729 flow [2024-11-13 15:04:55,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:04:55,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:04:55,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 978 transitions. [2024-11-13 15:04:55,932 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8834688346883469 [2024-11-13 15:04:55,932 INFO L175 Difference]: Start difference. First operand has 322 places, 315 transitions, 677 flow. Second operand 3 states and 978 transitions. [2024-11-13 15:04:55,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 307 transitions, 729 flow [2024-11-13 15:04:55,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 307 transitions, 725 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:04:55,942 INFO L231 Difference]: Finished difference. Result has 314 places, 307 transitions, 659 flow [2024-11-13 15:04:55,943 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=657, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=659, PETRI_PLACES=314, PETRI_TRANSITIONS=307} [2024-11-13 15:04:55,943 INFO L277 CegarLoopForPetriNet]: 353 programPoint places, -39 predicate places. [2024-11-13 15:04:55,943 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 307 transitions, 659 flow [2024-11-13 15:04:55,944 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 15:04:55,944 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:04:55,945 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] [2024-11-13 15:04:55,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 15:04:55,945 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-13 15:04:55,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:04:55,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1091560532, now seen corresponding path program 1 times [2024-11-13 15:04:55,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:04:55,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636982938] [2024-11-13 15:04:55,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:04:55,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:04:55,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:56,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:04:56,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:04:56,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636982938] [2024-11-13 15:04:56,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636982938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:04:56,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:04:56,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:04:56,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595366437] [2024-11-13 15:04:56,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:04:56,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:04:56,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:04:56,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:04:56,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:04:56,050 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 369 [2024-11-13 15:04:56,053 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 307 transitions, 659 flow. Second operand has 3 states, 3 states have (on average 322.0) internal successors, (966), 3 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:04:56,053 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:04:56,053 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 369 [2024-11-13 15:04:56,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:04:56,743 INFO L124 PetriNetUnfolderBase]: 382/3569 cut-off events. [2024-11-13 15:04:56,743 INFO L125 PetriNetUnfolderBase]: For 446/522 co-relation queries the response was YES. [2024-11-13 15:04:56,757 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4652 conditions, 3569 events. 382/3569 cut-off events. For 446/522 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 30205 event pairs, 276 based on Foata normal form. 0/3238 useless extension candidates. Maximal degree in co-relation 4645. Up to 682 conditions per place. [2024-11-13 15:04:56,768 INFO L140 encePairwiseOnDemand]: 363/369 looper letters, 27 selfloop transitions, 1 changer transitions 0/302 dead transitions. [2024-11-13 15:04:56,769 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 302 transitions, 705 flow [2024-11-13 15:04:56,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:04:56,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:04:56,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 996 transitions. [2024-11-13 15:04:56,773 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8997289972899729 [2024-11-13 15:04:56,773 INFO L175 Difference]: Start difference. First operand has 314 places, 307 transitions, 659 flow. Second operand 3 states and 996 transitions. [2024-11-13 15:04:56,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 302 transitions, 705 flow [2024-11-13 15:04:56,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 302 transitions, 704 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:04:56,782 INFO L231 Difference]: Finished difference. Result has 310 places, 302 transitions, 650 flow [2024-11-13 15:04:56,782 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=308, 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=650, PETRI_PLACES=310, PETRI_TRANSITIONS=302} [2024-11-13 15:04:56,783 INFO L277 CegarLoopForPetriNet]: 353 programPoint places, -43 predicate places. [2024-11-13 15:04:56,783 INFO L471 AbstractCegarLoop]: Abstraction has has 310 places, 302 transitions, 650 flow [2024-11-13 15:04:56,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.0) internal successors, (966), 3 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:04:56,785 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:04:56,785 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] [2024-11-13 15:04:56,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 15:04:56,785 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-13 15:04:56,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:04:56,786 INFO L85 PathProgramCache]: Analyzing trace with hash -2066431872, now seen corresponding path program 1 times [2024-11-13 15:04:56,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:04:56,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676535045] [2024-11-13 15:04:56,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:04:56,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:04:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:57,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:04:57,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:04:57,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676535045] [2024-11-13 15:04:57,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676535045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:04:57,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:04:57,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:04:57,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799080328] [2024-11-13 15:04:57,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:04:57,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:04:57,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:04:57,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:04:57,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:04:58,110 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 369 [2024-11-13 15:04:58,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 302 transitions, 650 flow. Second operand has 6 states, 6 states have (on average 303.6666666666667) internal successors, (1822), 6 states have internal predecessors, (1822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:04:58,113 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:04:58,113 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 369 [2024-11-13 15:04:58,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:05:01,104 INFO L124 PetriNetUnfolderBase]: 3564/20549 cut-off events. [2024-11-13 15:05:01,104 INFO L125 PetriNetUnfolderBase]: For 196/196 co-relation queries the response was YES. [2024-11-13 15:05:01,161 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26964 conditions, 20549 events. 3564/20549 cut-off events. For 196/196 co-relation queries the response was YES. Maximal size of possible extension queue 409. Compared 259769 event pairs, 3146 based on Foata normal form. 0/18494 useless extension candidates. Maximal degree in co-relation 26957. Up to 5453 conditions per place. [2024-11-13 15:05:01,208 INFO L140 encePairwiseOnDemand]: 362/369 looper letters, 69 selfloop transitions, 6 changer transitions 0/325 dead transitions. [2024-11-13 15:05:01,208 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 325 transitions, 846 flow [2024-11-13 15:05:01,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:05:01,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 15:05:01,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1888 transitions. [2024-11-13 15:05:01,213 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8527551942186089 [2024-11-13 15:05:01,213 INFO L175 Difference]: Start difference. First operand has 310 places, 302 transitions, 650 flow. Second operand 6 states and 1888 transitions. [2024-11-13 15:05:01,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 325 transitions, 846 flow [2024-11-13 15:05:01,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 325 transitions, 845 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:05:01,228 INFO L231 Difference]: Finished difference. Result has 313 places, 301 transitions, 659 flow [2024-11-13 15:05:01,229 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=647, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=659, PETRI_PLACES=313, PETRI_TRANSITIONS=301} [2024-11-13 15:05:01,231 INFO L277 CegarLoopForPetriNet]: 353 programPoint places, -40 predicate places. [2024-11-13 15:05:01,231 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 301 transitions, 659 flow [2024-11-13 15:05:01,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 303.6666666666667) internal successors, (1822), 6 states have internal predecessors, (1822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:01,233 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:05:01,233 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] [2024-11-13 15:05:01,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 15:05:01,234 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-13 15:05:01,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:01,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1668989812, now seen corresponding path program 1 times [2024-11-13 15:05:01,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:01,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295955253] [2024-11-13 15:05:01,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:01,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:01,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:01,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:01,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295955253] [2024-11-13 15:05:01,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295955253] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:05:01,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:05:01,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:05:01,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347916763] [2024-11-13 15:05:01,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:05:01,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:05:01,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:01,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:05:01,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:05:01,616 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 369 [2024-11-13 15:05:01,618 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 301 transitions, 659 flow. Second operand has 4 states, 4 states have (on average 323.5) internal successors, (1294), 4 states have internal predecessors, (1294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:01,618 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:05:01,619 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 369 [2024-11-13 15:05:01,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:05:03,266 INFO L124 PetriNetUnfolderBase]: 842/6391 cut-off events. [2024-11-13 15:05:03,267 INFO L125 PetriNetUnfolderBase]: For 161/161 co-relation queries the response was YES. [2024-11-13 15:05:03,293 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8134 conditions, 6391 events. 842/6391 cut-off events. For 161/161 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 64367 event pairs, 643 based on Foata normal form. 50/5862 useless extension candidates. Maximal degree in co-relation 8127. Up to 913 conditions per place. [2024-11-13 15:05:03,307 INFO L140 encePairwiseOnDemand]: 356/369 looper letters, 64 selfloop transitions, 11 changer transitions 1/345 dead transitions. [2024-11-13 15:05:03,307 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 345 transitions, 923 flow [2024-11-13 15:05:03,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:05:03,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-13 15:05:03,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1366 transitions. [2024-11-13 15:05:03,312 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9254742547425474 [2024-11-13 15:05:03,312 INFO L175 Difference]: Start difference. First operand has 313 places, 301 transitions, 659 flow. Second operand 4 states and 1366 transitions. [2024-11-13 15:05:03,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 345 transitions, 923 flow [2024-11-13 15:05:03,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 345 transitions, 911 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 15:05:03,323 INFO L231 Difference]: Finished difference. Result has 313 places, 310 transitions, 729 flow [2024-11-13 15:05:03,324 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=647, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=729, PETRI_PLACES=313, PETRI_TRANSITIONS=310} [2024-11-13 15:05:03,326 INFO L277 CegarLoopForPetriNet]: 353 programPoint places, -40 predicate places. [2024-11-13 15:05:03,326 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 310 transitions, 729 flow [2024-11-13 15:05:03,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 323.5) internal successors, (1294), 4 states have internal predecessors, (1294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:03,327 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:05:03,327 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] [2024-11-13 15:05:03,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 15:05:03,328 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting funcAErr1ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-13 15:05:03,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:03,328 INFO L85 PathProgramCache]: Analyzing trace with hash -412139412, now seen corresponding path program 1 times [2024-11-13 15:05:03,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:03,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348495243] [2024-11-13 15:05:03,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:03,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:03,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:03,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:03,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348495243] [2024-11-13 15:05:03,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348495243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:05:03,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:05:03,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:05:03,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006805688] [2024-11-13 15:05:03,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:05:03,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:05:03,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:03,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:05:03,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:05:03,602 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 369 [2024-11-13 15:05:03,604 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 310 transitions, 729 flow. Second operand has 3 states, 3 states have (on average 330.6666666666667) internal successors, (992), 3 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:03,604 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:05:03,604 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 369 [2024-11-13 15:05:03,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:05:04,224 INFO L124 PetriNetUnfolderBase]: 306/3163 cut-off events. [2024-11-13 15:05:04,224 INFO L125 PetriNetUnfolderBase]: For 297/481 co-relation queries the response was YES. [2024-11-13 15:05:04,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4220 conditions, 3163 events. 306/3163 cut-off events. For 297/481 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 26592 event pairs, 204 based on Foata normal form. 2/2898 useless extension candidates. Maximal degree in co-relation 4211. Up to 523 conditions per place. [2024-11-13 15:05:04,246 INFO L140 encePairwiseOnDemand]: 363/369 looper letters, 32 selfloop transitions, 5 changer transitions 0/322 dead transitions. [2024-11-13 15:05:04,246 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 322 transitions, 836 flow [2024-11-13 15:05:04,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:05:04,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:05:04,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1025 transitions. [2024-11-13 15:05:04,249 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9259259259259259 [2024-11-13 15:05:04,249 INFO L175 Difference]: Start difference. First operand has 313 places, 310 transitions, 729 flow. Second operand 3 states and 1025 transitions. [2024-11-13 15:05:04,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 322 transitions, 836 flow [2024-11-13 15:05:04,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 322 transitions, 834 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:05:04,257 INFO L231 Difference]: Finished difference. Result has 316 places, 314 transitions, 765 flow [2024-11-13 15:05:04,257 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=727, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=765, PETRI_PLACES=316, PETRI_TRANSITIONS=314} [2024-11-13 15:05:04,258 INFO L277 CegarLoopForPetriNet]: 353 programPoint places, -37 predicate places. [2024-11-13 15:05:04,258 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 314 transitions, 765 flow [2024-11-13 15:05:04,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 330.6666666666667) internal successors, (992), 3 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:04,259 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:05:04,259 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:04,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 15:05:04,260 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-13 15:05:04,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:04,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1644894043, now seen corresponding path program 1 times [2024-11-13 15:05:04,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:04,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543625729] [2024-11-13 15:05:04,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:04,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:05:04,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:05:04,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:05:04,406 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:05:04,406 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:05:04,407 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (64 of 65 remaining) [2024-11-13 15:05:04,411 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr0ASSERT_VIOLATIONDATA_RACE (63 of 65 remaining) [2024-11-13 15:05:04,412 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr1ASSERT_VIOLATIONDATA_RACE (62 of 65 remaining) [2024-11-13 15:05:04,412 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr2ASSERT_VIOLATIONDATA_RACE (61 of 65 remaining) [2024-11-13 15:05:04,412 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr3ASSERT_VIOLATIONDATA_RACE (60 of 65 remaining) [2024-11-13 15:05:04,412 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr4ASSERT_VIOLATIONDATA_RACE (59 of 65 remaining) [2024-11-13 15:05:04,412 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr5ASSERT_VIOLATIONDATA_RACE (58 of 65 remaining) [2024-11-13 15:05:04,413 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr6ASSERT_VIOLATIONDATA_RACE (57 of 65 remaining) [2024-11-13 15:05:04,413 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr7ASSERT_VIOLATIONDATA_RACE (56 of 65 remaining) [2024-11-13 15:05:04,413 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr8ASSERT_VIOLATIONDATA_RACE (55 of 65 remaining) [2024-11-13 15:05:04,413 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (54 of 65 remaining) [2024-11-13 15:05:04,413 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (53 of 65 remaining) [2024-11-13 15:05:04,413 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (52 of 65 remaining) [2024-11-13 15:05:04,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (51 of 65 remaining) [2024-11-13 15:05:04,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (50 of 65 remaining) [2024-11-13 15:05:04,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (49 of 65 remaining) [2024-11-13 15:05:04,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (48 of 65 remaining) [2024-11-13 15:05:04,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (47 of 65 remaining) [2024-11-13 15:05:04,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (46 of 65 remaining) [2024-11-13 15:05:04,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (45 of 65 remaining) [2024-11-13 15:05:04,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (44 of 65 remaining) [2024-11-13 15:05:04,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (43 of 65 remaining) [2024-11-13 15:05:04,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (42 of 65 remaining) [2024-11-13 15:05:04,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (41 of 65 remaining) [2024-11-13 15:05:04,415 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (40 of 65 remaining) [2024-11-13 15:05:04,415 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (39 of 65 remaining) [2024-11-13 15:05:04,415 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (38 of 65 remaining) [2024-11-13 15:05:04,415 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (37 of 65 remaining) [2024-11-13 15:05:04,415 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (36 of 65 remaining) [2024-11-13 15:05:04,415 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (35 of 65 remaining) [2024-11-13 15:05:04,415 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (34 of 65 remaining) [2024-11-13 15:05:04,415 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (33 of 65 remaining) [2024-11-13 15:05:04,415 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (32 of 65 remaining) [2024-11-13 15:05:04,415 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (31 of 65 remaining) [2024-11-13 15:05:04,415 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (30 of 65 remaining) [2024-11-13 15:05:04,416 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (29 of 65 remaining) [2024-11-13 15:05:04,416 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (28 of 65 remaining) [2024-11-13 15:05:04,416 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 65 remaining) [2024-11-13 15:05:04,416 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr0ASSERT_VIOLATIONDATA_RACE (26 of 65 remaining) [2024-11-13 15:05:04,416 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr1ASSERT_VIOLATIONDATA_RACE (25 of 65 remaining) [2024-11-13 15:05:04,416 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr2ASSERT_VIOLATIONDATA_RACE (24 of 65 remaining) [2024-11-13 15:05:04,417 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr3ASSERT_VIOLATIONDATA_RACE (23 of 65 remaining) [2024-11-13 15:05:04,417 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr4ASSERT_VIOLATIONDATA_RACE (22 of 65 remaining) [2024-11-13 15:05:04,417 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr5ASSERT_VIOLATIONDATA_RACE (21 of 65 remaining) [2024-11-13 15:05:04,417 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr6ASSERT_VIOLATIONDATA_RACE (20 of 65 remaining) [2024-11-13 15:05:04,418 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr7ASSERT_VIOLATIONDATA_RACE (19 of 65 remaining) [2024-11-13 15:05:04,418 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr8ASSERT_VIOLATIONDATA_RACE (18 of 65 remaining) [2024-11-13 15:05:04,418 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr0ASSERT_VIOLATIONDATA_RACE (17 of 65 remaining) [2024-11-13 15:05:04,419 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr1ASSERT_VIOLATIONDATA_RACE (16 of 65 remaining) [2024-11-13 15:05:04,419 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr2ASSERT_VIOLATIONDATA_RACE (15 of 65 remaining) [2024-11-13 15:05:04,419 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr3ASSERT_VIOLATIONDATA_RACE (14 of 65 remaining) [2024-11-13 15:05:04,419 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr4ASSERT_VIOLATIONDATA_RACE (13 of 65 remaining) [2024-11-13 15:05:04,419 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr5ASSERT_VIOLATIONDATA_RACE (12 of 65 remaining) [2024-11-13 15:05:04,420 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr6ASSERT_VIOLATIONDATA_RACE (11 of 65 remaining) [2024-11-13 15:05:04,420 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr7ASSERT_VIOLATIONDATA_RACE (10 of 65 remaining) [2024-11-13 15:05:04,420 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr8ASSERT_VIOLATIONDATA_RACE (9 of 65 remaining) [2024-11-13 15:05:04,420 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr0ASSERT_VIOLATIONDATA_RACE (8 of 65 remaining) [2024-11-13 15:05:04,420 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr1ASSERT_VIOLATIONDATA_RACE (7 of 65 remaining) [2024-11-13 15:05:04,420 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr2ASSERT_VIOLATIONDATA_RACE (6 of 65 remaining) [2024-11-13 15:05:04,420 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr3ASSERT_VIOLATIONDATA_RACE (5 of 65 remaining) [2024-11-13 15:05:04,421 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr4ASSERT_VIOLATIONDATA_RACE (4 of 65 remaining) [2024-11-13 15:05:04,421 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr5ASSERT_VIOLATIONDATA_RACE (3 of 65 remaining) [2024-11-13 15:05:04,421 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr6ASSERT_VIOLATIONDATA_RACE (2 of 65 remaining) [2024-11-13 15:05:04,422 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr7ASSERT_VIOLATIONDATA_RACE (1 of 65 remaining) [2024-11-13 15:05:04,422 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr8ASSERT_VIOLATIONDATA_RACE (0 of 65 remaining) [2024-11-13 15:05:04,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 15:05:04,423 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:04,427 WARN L247 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 15:05:04,427 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-13 15:05:04,540 INFO L143 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-11-13 15:05:04,561 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 463 places, 482 transitions, 1008 flow [2024-11-13 15:05:05,011 INFO L124 PetriNetUnfolderBase]: 163/1982 cut-off events. [2024-11-13 15:05:05,011 INFO L125 PetriNetUnfolderBase]: For 72/74 co-relation queries the response was YES. [2024-11-13 15:05:05,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2071 conditions, 1982 events. 163/1982 cut-off events. For 72/74 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 12482 event pairs, 1 based on Foata normal form. 0/1619 useless extension candidates. Maximal degree in co-relation 1175. Up to 32 conditions per place. [2024-11-13 15:05:05,029 INFO L82 GeneralOperation]: Start removeDead. Operand has 463 places, 482 transitions, 1008 flow [2024-11-13 15:05:05,056 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 463 places, 482 transitions, 1008 flow [2024-11-13 15:05:05,057 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:05:05,058 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;@4dccafd1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:05:05,058 INFO L334 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2024-11-13 15:05:05,061 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 15:05:05,061 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-13 15:05:05,061 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:05:05,062 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:05:05,062 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:05:05,062 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-13 15:05:05,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:05,062 INFO L85 PathProgramCache]: Analyzing trace with hash 500214703, now seen corresponding path program 1 times [2024-11-13 15:05:05,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:05,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181816650] [2024-11-13 15:05:05,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:05,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:05,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:05,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:05,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181816650] [2024-11-13 15:05:05,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181816650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:05:05,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:05:05,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:05:05,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344339558] [2024-11-13 15:05:05,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:05:05,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:05:05,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:05,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:05:05,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:05:05,118 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 417 out of 482 [2024-11-13 15:05:05,120 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 463 places, 482 transitions, 1008 flow. Second operand has 3 states, 3 states have (on average 417.6666666666667) internal successors, (1253), 3 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:05,121 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:05:05,121 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 417 of 482 [2024-11-13 15:05:05,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:05:33,332 INFO L124 PetriNetUnfolderBase]: 33456/146489 cut-off events. [2024-11-13 15:05:33,332 INFO L125 PetriNetUnfolderBase]: For 12029/12029 co-relation queries the response was YES. [2024-11-13 15:05:34,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 194932 conditions, 146489 events. 33456/146489 cut-off events. For 12029/12029 co-relation queries the response was YES. Maximal size of possible extension queue 2630. Compared 2356823 event pairs, 30562 based on Foata normal form. 17228/140824 useless extension candidates. Maximal degree in co-relation 160782. Up to 43633 conditions per place. [2024-11-13 15:05:35,214 INFO L140 encePairwiseOnDemand]: 461/482 looper letters, 42 selfloop transitions, 1 changer transitions 8/458 dead transitions. [2024-11-13 15:05:35,214 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 458 transitions, 1046 flow [2024-11-13 15:05:35,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:05:35,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:05:35,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1314 transitions. [2024-11-13 15:05:35,216 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9087136929460581 [2024-11-13 15:05:35,217 INFO L175 Difference]: Start difference. First operand has 463 places, 482 transitions, 1008 flow. Second operand 3 states and 1314 transitions. [2024-11-13 15:05:35,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 458 transitions, 1046 flow [2024-11-13 15:05:35,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 457 places, 458 transitions, 1046 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:05:35,267 INFO L231 Difference]: Finished difference. Result has 457 places, 450 transitions, 946 flow [2024-11-13 15:05:35,267 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=482, PETRI_DIFFERENCE_MINUEND_FLOW=960, PETRI_DIFFERENCE_MINUEND_PLACES=455, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=458, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=946, PETRI_PLACES=457, PETRI_TRANSITIONS=450} [2024-11-13 15:05:35,268 INFO L277 CegarLoopForPetriNet]: 463 programPoint places, -6 predicate places. [2024-11-13 15:05:35,268 INFO L471 AbstractCegarLoop]: Abstraction has has 457 places, 450 transitions, 946 flow [2024-11-13 15:05:35,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.6666666666667) internal successors, (1253), 3 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:35,268 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:05:35,269 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] [2024-11-13 15:05:35,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 15:05:35,269 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-13 15:05:35,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:05:35,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1673084150, now seen corresponding path program 1 times [2024-11-13 15:05:35,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:05:35,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789793599] [2024-11-13 15:05:35,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:05:35,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:05:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:05:35,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:05:35,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:05:35,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789793599] [2024-11-13 15:05:35,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789793599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:05:35,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:05:35,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:05:35,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136257651] [2024-11-13 15:05:35,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:05:35,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:05:35,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:35,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:05:35,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:05:35,316 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 427 out of 482 [2024-11-13 15:05:35,318 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 450 transitions, 946 flow. Second operand has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:05:35,318 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:05:35,318 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 427 of 482 [2024-11-13 15:05:35,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand