./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/02-base_25-malloc_race_cp.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_f7c571aa-fb5b-4d8f-a037-66f451708d87/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c571aa-fb5b-4d8f-a037-66f451708d87/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_f7c571aa-fb5b-4d8f-a037-66f451708d87/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c571aa-fb5b-4d8f-a037-66f451708d87/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/02-base_25-malloc_race_cp.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c571aa-fb5b-4d8f-a037-66f451708d87/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_f7c571aa-fb5b-4d8f-a037-66f451708d87/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 1bf1a57452cb04c4e0acc7059a368e9894233cf719b7dca68f11bd8477a0c6ed --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:22:20,026 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:22:20,109 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c571aa-fb5b-4d8f-a037-66f451708d87/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 13:22:20,118 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:22:20,123 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:22:20,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:22:20,144 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:22:20,145 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:22:20,145 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:22:20,145 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:22:20,145 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:22:20,145 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:22:20,146 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:22:20,146 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:22:20,146 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:22:20,146 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:22:20,146 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:22:20,146 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:22:20,146 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:22:20,146 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:22:20,146 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:22:20,147 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:22:20,147 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 13:22:20,147 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:22:20,147 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:22:20,147 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:22:20,147 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:22:20,147 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:22:20,147 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:22:20,147 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:22:20,147 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:22:20,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:22:20,148 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:22:20,148 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:22:20,148 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:22:20,148 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:22:20,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:22:20,148 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:22:20,148 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:22:20,148 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:22:20,148 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:22:20,148 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_f7c571aa-fb5b-4d8f-a037-66f451708d87/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 -> 1bf1a57452cb04c4e0acc7059a368e9894233cf719b7dca68f11bd8477a0c6ed [2024-11-13 13:22:20,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:22:20,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:22:20,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:22:20,473 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:22:20,473 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:22:20,476 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c571aa-fb5b-4d8f-a037-66f451708d87/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/goblint-regression/02-base_25-malloc_race_cp.i Unable to find full path for "g++" [2024-11-13 13:22:22,346 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:22:22,656 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:22:22,660 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c571aa-fb5b-4d8f-a037-66f451708d87/sv-benchmarks/c/goblint-regression/02-base_25-malloc_race_cp.i [2024-11-13 13:22:22,678 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c571aa-fb5b-4d8f-a037-66f451708d87/bin/uautomizer-verify-qhAvR1uOyd/data/9f6e50b8b/7f110d7ac0484039a9d449972dc6cc8f/FLAG86373a0b2 [2024-11-13 13:22:22,694 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c571aa-fb5b-4d8f-a037-66f451708d87/bin/uautomizer-verify-qhAvR1uOyd/data/9f6e50b8b/7f110d7ac0484039a9d449972dc6cc8f [2024-11-13 13:22:22,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:22:22,698 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:22:22,699 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:22:22,700 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:22:22,706 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:22:22,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:22:22" (1/1) ... [2024-11-13 13:22:22,709 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68183267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:22, skipping insertion in model container [2024-11-13 13:22:22,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:22:22" (1/1) ... [2024-11-13 13:22:22,771 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:22:23,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:22:23,549 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:22:23,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:22:23,690 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:22:23,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:23 WrapperNode [2024-11-13 13:22:23,690 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:22:23,692 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:22:23,692 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:22:23,692 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:22:23,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:23" (1/1) ... [2024-11-13 13:22:23,715 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:23" (1/1) ... [2024-11-13 13:22:23,741 INFO L138 Inliner]: procedures = 368, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 69 [2024-11-13 13:22:23,741 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:22:23,742 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:22:23,742 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:22:23,742 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:22:23,748 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:23" (1/1) ... [2024-11-13 13:22:23,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:23" (1/1) ... [2024-11-13 13:22:23,752 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:23" (1/1) ... [2024-11-13 13:22:23,752 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:23" (1/1) ... [2024-11-13 13:22:23,763 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:23" (1/1) ... [2024-11-13 13:22:23,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:23" (1/1) ... [2024-11-13 13:22:23,766 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:23" (1/1) ... [2024-11-13 13:22:23,767 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:23" (1/1) ... [2024-11-13 13:22:23,769 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:22:23,770 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:22:23,770 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:22:23,770 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:22:23,771 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:23" (1/1) ... [2024-11-13 13:22:23,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:22:23,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c571aa-fb5b-4d8f-a037-66f451708d87/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:22:23,811 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c571aa-fb5b-4d8f-a037-66f451708d87/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:22:23,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c571aa-fb5b-4d8f-a037-66f451708d87/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:22:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 13:22:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 13:22:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 13:22:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 13:22:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 13:22:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 13:22:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:22:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-13 13:22:23,867 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-13 13:22:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 13:22:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:22:23,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:22:23,869 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 13:22:24,059 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:22:24,061 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:22:24,398 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 13:22:24,398 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:22:24,444 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:22:24,444 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 13:22:24,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:22:24 BoogieIcfgContainer [2024-11-13 13:22:24,445 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:22:24,448 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:22:24,448 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:22:24,454 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:22:24,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:22:22" (1/3) ... [2024-11-13 13:22:24,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b475372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:22:24, skipping insertion in model container [2024-11-13 13:22:24,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:22:23" (2/3) ... [2024-11-13 13:22:24,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b475372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:22:24, skipping insertion in model container [2024-11-13 13:22:24,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:22:24" (3/3) ... [2024-11-13 13:22:24,457 INFO L112 eAbstractionObserver]: Analyzing ICFG 02-base_25-malloc_race_cp.i [2024-11-13 13:22:24,476 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:22:24,480 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 02-base_25-malloc_race_cp.i that has 2 procedures, 108 locations, 1 initial locations, 0 loop locations, and 10 error locations. [2024-11-13 13:22:24,480 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 13:22:24,595 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 13:22:24,659 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 111 places, 107 transitions, 218 flow [2024-11-13 13:22:24,746 INFO L124 PetriNetUnfolderBase]: 0/106 cut-off events. [2024-11-13 13:22:24,751 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:22:24,759 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 106 events. 0/106 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 77 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-13 13:22:24,759 INFO L82 GeneralOperation]: Start removeDead. Operand has 111 places, 107 transitions, 218 flow [2024-11-13 13:22:24,763 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 110 places, 106 transitions, 215 flow [2024-11-13 13:22:24,774 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:22:24,791 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;@3b31ec0b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:22:24,791 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-13 13:22:24,809 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:22:24,809 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-13 13:22:24,809 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:22:24,809 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:22:24,810 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 13:22:24,810 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-13 13:22:24,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:22:24,816 INFO L85 PathProgramCache]: Analyzing trace with hash -169805683, now seen corresponding path program 1 times [2024-11-13 13:22:24,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:22:24,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831253048] [2024-11-13 13:22:24,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:22:24,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:22:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:22:25,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:22:25,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:22:25,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831253048] [2024-11-13 13:22:25,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831253048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:22:25,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:22:25,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:22:25,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114587160] [2024-11-13 13:22:25,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:22:25,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:22:25,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:22:25,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:22:25,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:22:25,121 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 107 [2024-11-13 13:22:25,124 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 106 transitions, 215 flow. Second operand has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:22:25,124 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:22:25,124 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 107 [2024-11-13 13:22:25,125 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:22:25,261 INFO L124 PetriNetUnfolderBase]: 12/237 cut-off events. [2024-11-13 13:22:25,262 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 13:22:25,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 237 events. 12/237 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 653 event pairs, 12 based on Foata normal form. 0/206 useless extension candidates. Maximal degree in co-relation 227. Up to 36 conditions per place. [2024-11-13 13:22:25,268 INFO L140 encePairwiseOnDemand]: 104/107 looper letters, 11 selfloop transitions, 2 changer transitions 0/105 dead transitions. [2024-11-13 13:22:25,269 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 105 transitions, 239 flow [2024-11-13 13:22:25,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:22:25,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:22:25,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 293 transitions. [2024-11-13 13:22:25,288 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9127725856697819 [2024-11-13 13:22:25,290 INFO L175 Difference]: Start difference. First operand has 110 places, 106 transitions, 215 flow. Second operand 3 states and 293 transitions. [2024-11-13 13:22:25,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 105 transitions, 239 flow [2024-11-13 13:22:25,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 105 transitions, 238 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:22:25,303 INFO L231 Difference]: Finished difference. Result has 110 places, 105 transitions, 216 flow [2024-11-13 13:22:25,307 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=110, PETRI_TRANSITIONS=105} [2024-11-13 13:22:25,311 INFO L277 CegarLoopForPetriNet]: 110 programPoint places, 0 predicate places. [2024-11-13 13:22:25,311 INFO L471 AbstractCegarLoop]: Abstraction has has 110 places, 105 transitions, 216 flow [2024-11-13 13:22:25,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:22:25,313 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:22:25,314 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 13:22:25,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:22:25,315 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-13 13:22:25,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:22:25,318 INFO L85 PathProgramCache]: Analyzing trace with hash 756485715, now seen corresponding path program 1 times [2024-11-13 13:22:25,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:22:25,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572154469] [2024-11-13 13:22:25,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:22:25,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:22:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:22:25,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:22:25,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:22:25,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572154469] [2024-11-13 13:22:25,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572154469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:22:25,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:22:25,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:22:25,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098705267] [2024-11-13 13:22:25,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:22:25,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:22:25,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:22:25,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:22:25,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:22:25,481 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 107 [2024-11-13 13:22:25,482 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 105 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:22:25,482 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:22:25,482 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 107 [2024-11-13 13:22:25,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:22:25,554 INFO L124 PetriNetUnfolderBase]: 9/203 cut-off events. [2024-11-13 13:22:25,554 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:22:25,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 241 conditions, 203 events. 9/203 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 516 event pairs, 9 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 210. Up to 30 conditions per place. [2024-11-13 13:22:25,556 INFO L140 encePairwiseOnDemand]: 104/107 looper letters, 11 selfloop transitions, 2 changer transitions 0/104 dead transitions. [2024-11-13 13:22:25,557 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 104 transitions, 240 flow [2024-11-13 13:22:25,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:22:25,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:22:25,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 293 transitions. [2024-11-13 13:22:25,559 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9127725856697819 [2024-11-13 13:22:25,559 INFO L175 Difference]: Start difference. First operand has 110 places, 105 transitions, 216 flow. Second operand 3 states and 293 transitions. [2024-11-13 13:22:25,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 104 transitions, 240 flow [2024-11-13 13:22:25,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 104 transitions, 236 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:22:25,563 INFO L231 Difference]: Finished difference. Result has 109 places, 104 transitions, 214 flow [2024-11-13 13:22:25,563 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=109, PETRI_TRANSITIONS=104} [2024-11-13 13:22:25,564 INFO L277 CegarLoopForPetriNet]: 110 programPoint places, -1 predicate places. [2024-11-13 13:22:25,564 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 104 transitions, 214 flow [2024-11-13 13:22:25,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:22:25,565 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:22:25,565 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] [2024-11-13 13:22:25,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:22:25,565 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-13 13:22:25,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:22:25,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1813766728, now seen corresponding path program 1 times [2024-11-13 13:22:25,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:22:25,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775935944] [2024-11-13 13:22:25,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:22:25,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:22:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:22:25,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:22:25,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:22:25,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775935944] [2024-11-13 13:22:25,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775935944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:22:25,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:22:25,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:22:25,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586998607] [2024-11-13 13:22:25,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:22:25,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:22:25,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:22:25,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:22:25,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:22:25,681 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 107 [2024-11-13 13:22:25,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 104 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:22:25,682 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:22:25,682 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 107 [2024-11-13 13:22:25,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:22:25,731 INFO L124 PetriNetUnfolderBase]: 8/168 cut-off events. [2024-11-13 13:22:25,732 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 13:22:25,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 168 events. 8/168 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 399 event pairs, 8 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 163. Up to 25 conditions per place. [2024-11-13 13:22:25,734 INFO L140 encePairwiseOnDemand]: 104/107 looper letters, 9 selfloop transitions, 1 changer transitions 0/102 dead transitions. [2024-11-13 13:22:25,734 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 102 transitions, 230 flow [2024-11-13 13:22:25,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:22:25,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:22:25,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 297 transitions. [2024-11-13 13:22:25,737 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9252336448598131 [2024-11-13 13:22:25,737 INFO L175 Difference]: Start difference. First operand has 109 places, 104 transitions, 214 flow. Second operand 3 states and 297 transitions. [2024-11-13 13:22:25,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 102 transitions, 230 flow [2024-11-13 13:22:25,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 102 transitions, 226 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:22:25,743 INFO L231 Difference]: Finished difference. Result has 107 places, 102 transitions, 208 flow [2024-11-13 13:22:25,743 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=208, PETRI_PLACES=107, PETRI_TRANSITIONS=102} [2024-11-13 13:22:25,744 INFO L277 CegarLoopForPetriNet]: 110 programPoint places, -3 predicate places. [2024-11-13 13:22:25,744 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 102 transitions, 208 flow [2024-11-13 13:22:25,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:22:25,744 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:22:25,745 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 13:22:25,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:22:25,745 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-13 13:22:25,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:22:25,746 INFO L85 PathProgramCache]: Analyzing trace with hash -790241678, now seen corresponding path program 1 times [2024-11-13 13:22:25,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:22:25,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466935602] [2024-11-13 13:22:25,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:22:25,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:22:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:22:25,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:22:25,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:22:25,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466935602] [2024-11-13 13:22:25,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466935602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:22:25,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:22:25,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:22:25,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480510245] [2024-11-13 13:22:25,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:22:25,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:22:25,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:22:25,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:22:25,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:22:25,874 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 107 [2024-11-13 13:22:25,874 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 102 transitions, 208 flow. Second operand has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:22:25,875 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:22:25,875 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 107 [2024-11-13 13:22:25,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:22:25,962 INFO L124 PetriNetUnfolderBase]: 16/252 cut-off events. [2024-11-13 13:22:25,962 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:22:25,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 252 events. 16/252 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 826 event pairs, 7 based on Foata normal form. 0/233 useless extension candidates. Maximal degree in co-relation 262. Up to 36 conditions per place. [2024-11-13 13:22:25,964 INFO L140 encePairwiseOnDemand]: 103/107 looper letters, 12 selfloop transitions, 2 changer transitions 0/104 dead transitions. [2024-11-13 13:22:25,965 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 104 transitions, 240 flow [2024-11-13 13:22:25,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:22:25,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:22:25,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 301 transitions. [2024-11-13 13:22:25,969 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9376947040498442 [2024-11-13 13:22:25,969 INFO L175 Difference]: Start difference. First operand has 107 places, 102 transitions, 208 flow. Second operand 3 states and 301 transitions. [2024-11-13 13:22:25,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 104 transitions, 240 flow [2024-11-13 13:22:25,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 104 transitions, 239 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:22:25,974 INFO L231 Difference]: Finished difference. Result has 107 places, 102 transitions, 217 flow [2024-11-13 13:22:25,975 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=203, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=217, PETRI_PLACES=107, PETRI_TRANSITIONS=102} [2024-11-13 13:22:25,975 INFO L277 CegarLoopForPetriNet]: 110 programPoint places, -3 predicate places. [2024-11-13 13:22:25,975 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 102 transitions, 217 flow [2024-11-13 13:22:25,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:22:25,976 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:22:25,976 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] [2024-11-13 13:22:25,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:22:25,979 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-13 13:22:25,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:22:25,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1463757060, now seen corresponding path program 1 times [2024-11-13 13:22:25,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:22:25,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100213397] [2024-11-13 13:22:25,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:22:25,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:22:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:22:26,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:22:26,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:22:26,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100213397] [2024-11-13 13:22:26,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100213397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:22:26,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:22:26,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:22:26,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905278968] [2024-11-13 13:22:26,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:22:26,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:22:26,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:22:26,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:22:26,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:22:26,908 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 107 [2024-11-13 13:22:26,909 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 102 transitions, 217 flow. Second operand has 6 states, 6 states have (on average 80.66666666666667) internal successors, (484), 6 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:22:26,910 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:22:26,910 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 107 [2024-11-13 13:22:26,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:22:27,297 INFO L124 PetriNetUnfolderBase]: 231/842 cut-off events. [2024-11-13 13:22:27,297 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:22:27,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1360 conditions, 842 events. 231/842 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4768 event pairs, 96 based on Foata normal form. 0/788 useless extension candidates. Maximal degree in co-relation 1321. Up to 348 conditions per place. [2024-11-13 13:22:27,304 INFO L140 encePairwiseOnDemand]: 91/107 looper letters, 51 selfloop transitions, 41 changer transitions 0/166 dead transitions. [2024-11-13 13:22:27,304 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 166 transitions, 529 flow [2024-11-13 13:22:27,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:22:27,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:22:27,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 567 transitions. [2024-11-13 13:22:27,307 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.883177570093458 [2024-11-13 13:22:27,307 INFO L175 Difference]: Start difference. First operand has 107 places, 102 transitions, 217 flow. Second operand 6 states and 567 transitions. [2024-11-13 13:22:27,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 166 transitions, 529 flow [2024-11-13 13:22:27,309 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 166 transitions, 529 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:22:27,313 INFO L231 Difference]: Finished difference. Result has 116 places, 144 transitions, 475 flow [2024-11-13 13:22:27,313 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=217, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=475, PETRI_PLACES=116, PETRI_TRANSITIONS=144} [2024-11-13 13:22:27,314 INFO L277 CegarLoopForPetriNet]: 110 programPoint places, 6 predicate places. [2024-11-13 13:22:27,314 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 144 transitions, 475 flow [2024-11-13 13:22:27,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 80.66666666666667) internal successors, (484), 6 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:22:27,315 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:22:27,315 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:22:27,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:22:27,315 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-13 13:22:27,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:22:27,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1601810932, now seen corresponding path program 1 times [2024-11-13 13:22:27,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:22:27,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76275242] [2024-11-13 13:22:27,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:22:27,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:22:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:22:27,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:22:27,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:22:27,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76275242] [2024-11-13 13:22:27,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76275242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:22:27,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:22:27,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:22:27,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957832886] [2024-11-13 13:22:27,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:22:27,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:22:27,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:22:27,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:22:27,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:22:27,959 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 107 [2024-11-13 13:22:27,959 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 144 transitions, 475 flow. Second operand has 6 states, 6 states have (on average 86.5) internal successors, (519), 6 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:22:27,960 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:22:27,960 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 107 [2024-11-13 13:22:27,960 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:22:28,353 INFO L124 PetriNetUnfolderBase]: 285/1137 cut-off events. [2024-11-13 13:22:28,353 INFO L125 PetriNetUnfolderBase]: For 322/371 co-relation queries the response was YES. [2024-11-13 13:22:28,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2405 conditions, 1137 events. 285/1137 cut-off events. For 322/371 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 7597 event pairs, 29 based on Foata normal form. 31/1133 useless extension candidates. Maximal degree in co-relation 2361. Up to 272 conditions per place. [2024-11-13 13:22:28,361 INFO L140 encePairwiseOnDemand]: 92/107 looper letters, 71 selfloop transitions, 48 changer transitions 0/219 dead transitions. [2024-11-13 13:22:28,362 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 219 transitions, 977 flow [2024-11-13 13:22:28,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:22:28,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:22:28,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 597 transitions. [2024-11-13 13:22:28,364 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9299065420560748 [2024-11-13 13:22:28,365 INFO L175 Difference]: Start difference. First operand has 116 places, 144 transitions, 475 flow. Second operand 6 states and 597 transitions. [2024-11-13 13:22:28,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 219 transitions, 977 flow [2024-11-13 13:22:28,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 219 transitions, 977 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:22:28,376 INFO L231 Difference]: Finished difference. Result has 126 places, 190 transitions, 881 flow [2024-11-13 13:22:28,377 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=475, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=881, PETRI_PLACES=126, PETRI_TRANSITIONS=190} [2024-11-13 13:22:28,379 INFO L277 CegarLoopForPetriNet]: 110 programPoint places, 16 predicate places. [2024-11-13 13:22:28,379 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 190 transitions, 881 flow [2024-11-13 13:22:28,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 86.5) internal successors, (519), 6 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:22:28,380 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:22:28,380 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] [2024-11-13 13:22:28,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 13:22:28,380 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-13 13:22:28,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:22:28,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1535216090, now seen corresponding path program 1 times [2024-11-13 13:22:28,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:22:28,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407912768] [2024-11-13 13:22:28,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:22:28,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:22:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:22:28,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:22:28,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:22:28,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407912768] [2024-11-13 13:22:28,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407912768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:22:28,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:22:28,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:22:28,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472643813] [2024-11-13 13:22:28,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:22:28,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:22:28,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:22:28,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:22:28,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:22:28,532 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 107 [2024-11-13 13:22:28,532 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 190 transitions, 881 flow. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:22:28,533 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:22:28,533 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 107 [2024-11-13 13:22:28,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:22:28,621 INFO L124 PetriNetUnfolderBase]: 39/289 cut-off events. [2024-11-13 13:22:28,621 INFO L125 PetriNetUnfolderBase]: For 69/69 co-relation queries the response was YES. [2024-11-13 13:22:28,623 INFO L83 FinitePrefix]: Finished finitePrefix Result has 547 conditions, 289 events. 39/289 cut-off events. For 69/69 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 960 event pairs, 4 based on Foata normal form. 2/278 useless extension candidates. Maximal degree in co-relation 499. Up to 64 conditions per place. [2024-11-13 13:22:28,624 INFO L140 encePairwiseOnDemand]: 103/107 looper letters, 2 selfloop transitions, 4 changer transitions 0/123 dead transitions. [2024-11-13 13:22:28,624 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 123 transitions, 419 flow [2024-11-13 13:22:28,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:22:28,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:22:28,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 311 transitions. [2024-11-13 13:22:28,626 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9688473520249221 [2024-11-13 13:22:28,626 INFO L175 Difference]: Start difference. First operand has 126 places, 190 transitions, 881 flow. Second operand 3 states and 311 transitions. [2024-11-13 13:22:28,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 123 transitions, 419 flow [2024-11-13 13:22:28,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 123 transitions, 369 flow, removed 17 selfloop flow, removed 8 redundant places. [2024-11-13 13:22:28,633 INFO L231 Difference]: Finished difference. Result has 119 places, 123 transitions, 365 flow [2024-11-13 13:22:28,633 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=357, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=365, PETRI_PLACES=119, PETRI_TRANSITIONS=123} [2024-11-13 13:22:28,634 INFO L277 CegarLoopForPetriNet]: 110 programPoint places, 9 predicate places. [2024-11-13 13:22:28,634 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 123 transitions, 365 flow [2024-11-13 13:22:28,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:22:28,637 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:22:28,637 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] [2024-11-13 13:22:28,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 13:22:28,638 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-13 13:22:28,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:22:28,638 INFO L85 PathProgramCache]: Analyzing trace with hash -132427838, now seen corresponding path program 1 times [2024-11-13 13:22:28,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:22:28,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916827818] [2024-11-13 13:22:28,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:22:28,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:22:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:22:29,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:22:29,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:22:29,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916827818] [2024-11-13 13:22:29,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916827818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:22:29,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:22:29,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:22:29,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810135115] [2024-11-13 13:22:29,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:22:29,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:22:29,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:22:29,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:22:29,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:22:29,296 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 107 [2024-11-13 13:22:29,297 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 123 transitions, 365 flow. Second operand has 6 states, 6 states have (on average 82.33333333333333) internal successors, (494), 6 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:22:29,298 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:22:29,298 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 107 [2024-11-13 13:22:29,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:22:29,505 INFO L124 PetriNetUnfolderBase]: 93/485 cut-off events. [2024-11-13 13:22:29,505 INFO L125 PetriNetUnfolderBase]: For 90/103 co-relation queries the response was YES. [2024-11-13 13:22:29,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 964 conditions, 485 events. 93/485 cut-off events. For 90/103 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2153 event pairs, 20 based on Foata normal form. 0/459 useless extension candidates. Maximal degree in co-relation 918. Up to 197 conditions per place. [2024-11-13 13:22:29,510 INFO L140 encePairwiseOnDemand]: 96/107 looper letters, 46 selfloop transitions, 22 changer transitions 0/144 dead transitions. [2024-11-13 13:22:29,510 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 144 transitions, 575 flow [2024-11-13 13:22:29,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:22:29,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:22:29,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 529 transitions. [2024-11-13 13:22:29,513 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.82398753894081 [2024-11-13 13:22:29,513 INFO L175 Difference]: Start difference. First operand has 119 places, 123 transitions, 365 flow. Second operand 6 states and 529 transitions. [2024-11-13 13:22:29,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 144 transitions, 575 flow [2024-11-13 13:22:29,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 144 transitions, 571 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:22:29,521 INFO L231 Difference]: Finished difference. Result has 128 places, 144 transitions, 543 flow [2024-11-13 13:22:29,522 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=543, PETRI_PLACES=128, PETRI_TRANSITIONS=144} [2024-11-13 13:22:29,524 INFO L277 CegarLoopForPetriNet]: 110 programPoint places, 18 predicate places. [2024-11-13 13:22:29,524 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 144 transitions, 543 flow [2024-11-13 13:22:29,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 82.33333333333333) internal successors, (494), 6 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:22:29,525 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:22:29,525 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] [2024-11-13 13:22:29,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 13:22:29,525 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-13 13:22:29,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:22:29,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1451431628, now seen corresponding path program 1 times [2024-11-13 13:22:29,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:22:29,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487308140] [2024-11-13 13:22:29,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:22:29,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:22:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:22:29,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:22:29,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:22:29,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487308140] [2024-11-13 13:22:29,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487308140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:22:29,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:22:29,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:22:29,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118912896] [2024-11-13 13:22:29,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:22:29,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:22:29,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:22:29,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:22:29,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:22:30,118 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 107 [2024-11-13 13:22:30,119 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 144 transitions, 543 flow. Second operand has 6 states, 6 states have (on average 85.83333333333333) internal successors, (515), 6 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:22:30,119 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:22:30,119 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 107 [2024-11-13 13:22:30,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:22:30,380 INFO L124 PetriNetUnfolderBase]: 195/738 cut-off events. [2024-11-13 13:22:30,380 INFO L125 PetriNetUnfolderBase]: For 309/316 co-relation queries the response was YES. [2024-11-13 13:22:30,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1833 conditions, 738 events. 195/738 cut-off events. For 309/316 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 3973 event pairs, 12 based on Foata normal form. 0/716 useless extension candidates. Maximal degree in co-relation 1782. Up to 295 conditions per place. [2024-11-13 13:22:30,386 INFO L140 encePairwiseOnDemand]: 92/107 looper letters, 56 selfloop transitions, 52 changer transitions 13/201 dead transitions. [2024-11-13 13:22:30,386 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 201 transitions, 1050 flow [2024-11-13 13:22:30,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:22:30,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:22:30,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 573 transitions. [2024-11-13 13:22:30,388 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8925233644859814 [2024-11-13 13:22:30,388 INFO L175 Difference]: Start difference. First operand has 128 places, 144 transitions, 543 flow. Second operand 6 states and 573 transitions. [2024-11-13 13:22:30,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 201 transitions, 1050 flow [2024-11-13 13:22:30,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 201 transitions, 1012 flow, removed 19 selfloop flow, removed 0 redundant places. [2024-11-13 13:22:30,398 INFO L231 Difference]: Finished difference. Result has 138 places, 184 transitions, 958 flow [2024-11-13 13:22:30,400 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=511, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=958, PETRI_PLACES=138, PETRI_TRANSITIONS=184} [2024-11-13 13:22:30,401 INFO L277 CegarLoopForPetriNet]: 110 programPoint places, 28 predicate places. [2024-11-13 13:22:30,401 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 184 transitions, 958 flow [2024-11-13 13:22:30,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 85.83333333333333) internal successors, (515), 6 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:22:30,402 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:22:30,402 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 13:22:30,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 13:22:30,402 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-13 13:22:30,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:22:30,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1527179908, now seen corresponding path program 1 times [2024-11-13 13:22:30,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:22:30,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231339411] [2024-11-13 13:22:30,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:22:30,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:22:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:22:31,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:22:31,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:22:31,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231339411] [2024-11-13 13:22:31,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231339411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:22:31,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:22:31,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 13:22:31,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830167088] [2024-11-13 13:22:31,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:22:31,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:22:31,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:22:31,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:22:31,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:22:31,706 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 107 [2024-11-13 13:22:31,708 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 184 transitions, 958 flow. Second operand has 12 states, 12 states have (on average 71.25) internal successors, (855), 12 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:22:31,708 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:22:31,709 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 107 [2024-11-13 13:22:31,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:22:32,348 INFO L124 PetriNetUnfolderBase]: 189/700 cut-off events. [2024-11-13 13:22:32,348 INFO L125 PetriNetUnfolderBase]: For 723/764 co-relation queries the response was YES. [2024-11-13 13:22:32,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2209 conditions, 700 events. 189/700 cut-off events. For 723/764 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3747 event pairs, 18 based on Foata normal form. 21/714 useless extension candidates. Maximal degree in co-relation 2145. Up to 193 conditions per place. [2024-11-13 13:22:32,354 INFO L140 encePairwiseOnDemand]: 92/107 looper letters, 115 selfloop transitions, 39 changer transitions 20/238 dead transitions. [2024-11-13 13:22:32,354 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 238 transitions, 1690 flow [2024-11-13 13:22:32,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:22:32,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-13 13:22:32,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1040 transitions. [2024-11-13 13:22:32,358 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6942590120160214 [2024-11-13 13:22:32,358 INFO L175 Difference]: Start difference. First operand has 138 places, 184 transitions, 958 flow. Second operand 14 states and 1040 transitions. [2024-11-13 13:22:32,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 238 transitions, 1690 flow [2024-11-13 13:22:32,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 238 transitions, 1639 flow, removed 18 selfloop flow, removed 3 redundant places. [2024-11-13 13:22:32,373 INFO L231 Difference]: Finished difference. Result has 154 places, 192 transitions, 1102 flow [2024-11-13 13:22:32,374 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=909, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1102, PETRI_PLACES=154, PETRI_TRANSITIONS=192} [2024-11-13 13:22:32,374 INFO L277 CegarLoopForPetriNet]: 110 programPoint places, 44 predicate places. [2024-11-13 13:22:32,375 INFO L471 AbstractCegarLoop]: Abstraction has has 154 places, 192 transitions, 1102 flow [2024-11-13 13:22:32,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 71.25) internal successors, (855), 12 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:22:32,375 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:22:32,375 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 13:22:32,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 13:22:32,376 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-13 13:22:32,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:22:32,376 INFO L85 PathProgramCache]: Analyzing trace with hash -72938918, now seen corresponding path program 1 times [2024-11-13 13:22:32,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:22:32,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927392066] [2024-11-13 13:22:32,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:22:32,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:22:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:22:32,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:22:32,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:22:32,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927392066] [2024-11-13 13:22:32,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927392066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:22:32,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:22:32,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 13:22:32,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245522694] [2024-11-13 13:22:32,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:22:32,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:22:32,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:22:32,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:22:32,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:22:33,959 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 107 [2024-11-13 13:22:33,961 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 192 transitions, 1102 flow. Second operand has 12 states, 12 states have (on average 77.75) internal successors, (933), 12 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:22:33,961 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:22:33,961 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 107 [2024-11-13 13:22:33,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:22:34,604 INFO L124 PetriNetUnfolderBase]: 175/642 cut-off events. [2024-11-13 13:22:34,604 INFO L125 PetriNetUnfolderBase]: For 1053/1090 co-relation queries the response was YES. [2024-11-13 13:22:34,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2252 conditions, 642 events. 175/642 cut-off events. For 1053/1090 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3313 event pairs, 4 based on Foata normal form. 23/663 useless extension candidates. Maximal degree in co-relation 2223. Up to 126 conditions per place. [2024-11-13 13:22:34,610 INFO L140 encePairwiseOnDemand]: 89/107 looper letters, 87 selfloop transitions, 68 changer transitions 11/238 dead transitions. [2024-11-13 13:22:34,610 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 238 transitions, 1807 flow [2024-11-13 13:22:34,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:22:34,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-13 13:22:34,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1074 transitions. [2024-11-13 13:22:34,613 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7721063982746226 [2024-11-13 13:22:34,614 INFO L175 Difference]: Start difference. First operand has 154 places, 192 transitions, 1102 flow. Second operand 13 states and 1074 transitions. [2024-11-13 13:22:34,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 238 transitions, 1807 flow [2024-11-13 13:22:34,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 238 transitions, 1765 flow, removed 3 selfloop flow, removed 9 redundant places. [2024-11-13 13:22:34,632 INFO L231 Difference]: Finished difference. Result has 161 places, 200 transitions, 1394 flow [2024-11-13 13:22:34,633 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=1068, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1394, PETRI_PLACES=161, PETRI_TRANSITIONS=200} [2024-11-13 13:22:34,637 INFO L277 CegarLoopForPetriNet]: 110 programPoint places, 51 predicate places. [2024-11-13 13:22:34,637 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 200 transitions, 1394 flow [2024-11-13 13:22:34,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 77.75) internal successors, (933), 12 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:22:34,638 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:22:34,638 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] [2024-11-13 13:22:34,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 13:22:34,639 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-13 13:22:34,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:22:34,639 INFO L85 PathProgramCache]: Analyzing trace with hash -24260784, now seen corresponding path program 1 times [2024-11-13 13:22:34,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:22:34,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056185342] [2024-11-13 13:22:34,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:22:34,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:22:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:22:35,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:22:35,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:22:35,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056185342] [2024-11-13 13:22:35,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056185342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:22:35,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:22:35,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 13:22:35,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664388004] [2024-11-13 13:22:35,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:22:35,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:22:35,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:22:35,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:22:35,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:22:35,792 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 107 [2024-11-13 13:22:35,793 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 200 transitions, 1394 flow. Second operand has 12 states, 12 states have (on average 71.58333333333333) internal successors, (859), 12 states have internal predecessors, (859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:22:35,793 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:22:35,793 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 107 [2024-11-13 13:22:35,793 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:22:36,346 INFO L124 PetriNetUnfolderBase]: 171/661 cut-off events. [2024-11-13 13:22:36,346 INFO L125 PetriNetUnfolderBase]: For 1932/2024 co-relation queries the response was YES. [2024-11-13 13:22:36,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2597 conditions, 661 events. 171/661 cut-off events. For 1932/2024 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3506 event pairs, 15 based on Foata normal form. 43/698 useless extension candidates. Maximal degree in co-relation 2518. Up to 192 conditions per place. [2024-11-13 13:22:36,352 INFO L140 encePairwiseOnDemand]: 93/107 looper letters, 118 selfloop transitions, 34 changer transitions 14/231 dead transitions. [2024-11-13 13:22:36,352 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 231 transitions, 2072 flow [2024-11-13 13:22:36,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 13:22:36,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-13 13:22:36,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1239 transitions. [2024-11-13 13:22:36,356 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6811434854315558 [2024-11-13 13:22:36,356 INFO L175 Difference]: Start difference. First operand has 161 places, 200 transitions, 1394 flow. Second operand 17 states and 1239 transitions. [2024-11-13 13:22:36,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 231 transitions, 2072 flow [2024-11-13 13:22:36,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 231 transitions, 2034 flow, removed 0 selfloop flow, removed 9 redundant places. [2024-11-13 13:22:36,376 INFO L231 Difference]: Finished difference. Result has 167 places, 191 transitions, 1345 flow [2024-11-13 13:22:36,377 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=1352, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1345, PETRI_PLACES=167, PETRI_TRANSITIONS=191} [2024-11-13 13:22:36,377 INFO L277 CegarLoopForPetriNet]: 110 programPoint places, 57 predicate places. [2024-11-13 13:22:36,377 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 191 transitions, 1345 flow [2024-11-13 13:22:36,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 71.58333333333333) internal successors, (859), 12 states have internal predecessors, (859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:22:36,378 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:22:36,378 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] [2024-11-13 13:22:36,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 13:22:36,379 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-13 13:22:36,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:22:36,379 INFO L85 PathProgramCache]: Analyzing trace with hash -13688828, now seen corresponding path program 1 times [2024-11-13 13:22:36,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:22:36,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975722709] [2024-11-13 13:22:36,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:22:36,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:22:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:22:36,417 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:22:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:22:36,464 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:22:36,464 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:22:36,465 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 15 remaining) [2024-11-13 13:22:36,467 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining) [2024-11-13 13:22:36,467 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining) [2024-11-13 13:22:36,467 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining) [2024-11-13 13:22:36,467 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining) [2024-11-13 13:22:36,467 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining) [2024-11-13 13:22:36,468 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-13 13:22:36,468 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining) [2024-11-13 13:22:36,468 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining) [2024-11-13 13:22:36,468 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining) [2024-11-13 13:22:36,468 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 15 remaining) [2024-11-13 13:22:36,468 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining) [2024-11-13 13:22:36,468 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining) [2024-11-13 13:22:36,468 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining) [2024-11-13 13:22:36,468 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining) [2024-11-13 13:22:36,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 13:22:36,469 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:22:36,545 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 13:22:36,545 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:22:36,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:22:36 BasicIcfg [2024-11-13 13:22:36,556 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:22:36,556 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:22:36,556 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:22:36,557 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:22:36,557 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:22:24" (3/4) ... [2024-11-13 13:22:36,558 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 13:22:36,636 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c571aa-fb5b-4d8f-a037-66f451708d87/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 13:22:36,637 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:22:36,637 INFO L158 Benchmark]: Toolchain (without parser) took 13939.62ms. Allocated memory was 109.1MB in the beginning and 268.4MB in the end (delta: 159.4MB). Free memory was 81.5MB in the beginning and 191.4MB in the end (delta: -109.9MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2024-11-13 13:22:36,638 INFO L158 Benchmark]: CDTParser took 1.43ms. Allocated memory is still 83.9MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:22:36,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 991.49ms. Allocated memory is still 109.1MB. Free memory was 81.5MB in the beginning and 43.7MB in the end (delta: 37.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 13:22:36,638 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.66ms. Allocated memory is still 109.1MB. Free memory was 43.7MB in the beginning and 41.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:22:36,638 INFO L158 Benchmark]: Boogie Preprocessor took 27.87ms. Allocated memory is still 109.1MB. Free memory was 41.2MB in the beginning and 40.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:22:36,639 INFO L158 Benchmark]: RCFGBuilder took 674.90ms. Allocated memory is still 109.1MB. Free memory was 39.6MB in the beginning and 68.2MB in the end (delta: -28.6MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-11-13 13:22:36,639 INFO L158 Benchmark]: TraceAbstraction took 12108.21ms. Allocated memory was 109.1MB in the beginning and 268.4MB in the end (delta: 159.4MB). Free memory was 68.2MB in the beginning and 199.8MB in the end (delta: -131.6MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2024-11-13 13:22:36,639 INFO L158 Benchmark]: Witness Printer took 80.30ms. Allocated memory is still 268.4MB. Free memory was 199.8MB in the beginning and 191.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:22:36,641 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43ms. Allocated memory is still 83.9MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 991.49ms. Allocated memory is still 109.1MB. Free memory was 81.5MB in the beginning and 43.7MB in the end (delta: 37.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.66ms. Allocated memory is still 109.1MB. Free memory was 43.7MB in the beginning and 41.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.87ms. Allocated memory is still 109.1MB. Free memory was 41.2MB in the beginning and 40.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 674.90ms. Allocated memory is still 109.1MB. Free memory was 39.6MB in the beginning and 68.2MB in the end (delta: -28.6MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * TraceAbstraction took 12108.21ms. Allocated memory was 109.1MB in the beginning and 268.4MB in the end (delta: 159.4MB). Free memory was 68.2MB in the beginning and 199.8MB in the end (delta: -131.6MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * Witness Printer took 80.30ms. Allocated memory is still 268.4MB. Free memory was 199.8MB in the beginning and 191.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 1243]: Data race detected Data race detected The following path leads to a data race: [L1223] 0 int *x; VAL [x={0:0}] [L1224] 0 int *y; VAL [x={0:0}, y={0:0}] [L1225] 0 pthread_mutex_t m = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [m={1:0}, x={0:0}, y={0:0}] [L1234] 0 pthread_t id; VAL [m={1:0}, x={0:0}, y={0:0}] [L1235] 0 int *z; VAL [m={1:0}, x={0:0}, y={0:0}] [L1236] 0 x = malloc(sizeof(int)) VAL [m={1:0}, x={-2:0}, y={0:0}] [L1237] 0 y = malloc(sizeof(int)) VAL [m={1:0}, x={-2:0}, y={-3:0}] [L1238] 0 z = y VAL [m={1:0}, x={-2:0}, y={-3:0}, z={-3:0}] [L1239] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, id=-1, m={1:0}, x={-2:0}, y={-3:0}, z={-3:0}] [L1241] EXPR 0 *x VAL [\old(arg)={0:0}, id=-1, m={1:0}, x={-2:0}, y={-3:0}, z={-3:0}] [L1241] EXPR 0 \read(*x) VAL [\old(arg)={0:0}, id=-1, m={1:0}, x={-2:0}, y={-3:0}, z={-3:0}] [L1241] 0 printf("%d\n",*x) VAL [\old(arg)={0:0}, id=-1, m={1:0}, x={-2:0}, y={-3:0}, z={-3:0}] [L1228] EXPR 1 *x VAL [\old(arg)={0:0}, arg={0:0}, m={1:0}, x={-2:0}, y={-3:0}] [L1228] 1 *x = 3 VAL [\old(arg)={0:0}, arg={0:0}, m={1:0}, x={-2:0}, y={-3:0}] [L1243] EXPR 0 \read(*z) VAL [\old(arg)={0:0}, arg={0:0}, id=-1, m={1:0}, x={-2:0}, y={-3:0}, z={-3:0}] [L1229] EXPR 1 *y VAL [\old(arg)={0:0}, arg={0:0}, m={1:0}, x={-2:0}, y={-3:0}] [L1229] 1 *y = 8 VAL [\old(arg)={0:0}, arg={0:0}, m={1:0}, x={-2:0}, y={-3:0}] [L1243] 0 printf("%d\n",*z) VAL [\old(arg)={0:0}, arg={0:0}, id=-1, m={1:0}, x={-2:0}, y={-3:0}, z={-3:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: y = malloc(sizeof(int)) [1237] * C: *x = 3 [1228] * C: x = malloc(sizeof(int)) [1236] * C: *x = 3 [1228] * C: *y = 8 [1229] * C: *x = 3 [1228] * C: *x = 3 [1228] and C: printf("%d\n",*z) [1243] - UnprovableResult [Line: 1236]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1237]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1241]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1241]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1239]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 141 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 11.8s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1181 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 924 mSDsluCounter, 1002 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 944 mSDsCounter, 207 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4177 IncrementalHoareTripleChecker+Invalid, 4384 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 207 mSolverCounterUnsat, 58 mSDtfsCounter, 4177 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1394occurred in iteration=11, InterpolantAutomatonStates: 83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 721 NumberOfCodeBlocks, 721 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 628 ConstructedInterpolants, 0 QuantifiedInterpolants, 1981 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-13 13:22:36,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c571aa-fb5b-4d8f-a037-66f451708d87/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE