./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/stack_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf1a69b-3939-4e0f-8fd2-798952c584bb/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf1a69b-3939-4e0f-8fd2-798952c584bb/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_9bf1a69b-3939-4e0f-8fd2-798952c584bb/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf1a69b-3939-4e0f-8fd2-798952c584bb/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf1a69b-3939-4e0f-8fd2-798952c584bb/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_9bf1a69b-3939-4e0f-8fd2-798952c584bb/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 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:19:25,351 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:19:25,413 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf1a69b-3939-4e0f-8fd2-798952c584bb/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 14:19:25,418 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:19:25,419 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:19:25,440 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:19:25,441 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:19:25,441 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:19:25,441 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:19:25,442 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:19:25,442 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:19:25,442 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:19:25,442 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:19:25,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:19:25,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:19:25,443 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:19:25,443 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:19:25,443 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:19:25,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:19:25,443 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:19:25,444 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:19:25,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:19:25,444 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 14:19:25,444 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:19:25,444 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:19:25,444 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:19:25,444 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:19:25,445 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:19:25,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:19:25,445 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:19:25,445 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:19:25,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:19:25,445 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:19:25,445 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:19:25,445 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:19:25,445 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:19:25,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:19:25,446 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:19:25,446 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:19:25,446 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:19:25,446 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:19:25,446 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_9bf1a69b-3939-4e0f-8fd2-798952c584bb/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 -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2024-11-13 14:19:25,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:19:25,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:19:25,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:19:25,746 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:19:25,747 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:19:25,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf1a69b-3939-4e0f-8fd2-798952c584bb/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/pthread/stack_longest-2.i Unable to find full path for "g++" [2024-11-13 14:19:27,760 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:19:28,123 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:19:28,124 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf1a69b-3939-4e0f-8fd2-798952c584bb/sv-benchmarks/c/pthread/stack_longest-2.i [2024-11-13 14:19:28,141 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf1a69b-3939-4e0f-8fd2-798952c584bb/bin/uautomizer-verify-qhAvR1uOyd/data/f36f4781f/56ccc28521624417aa96de6a670d4ac4/FLAG97976c0d6 [2024-11-13 14:19:28,156 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf1a69b-3939-4e0f-8fd2-798952c584bb/bin/uautomizer-verify-qhAvR1uOyd/data/f36f4781f/56ccc28521624417aa96de6a670d4ac4 [2024-11-13 14:19:28,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:19:28,161 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:19:28,162 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:19:28,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:19:28,167 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:19:28,168 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:19:28" (1/1) ... [2024-11-13 14:19:28,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@734d9e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:28, skipping insertion in model container [2024-11-13 14:19:28,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:19:28" (1/1) ... [2024-11-13 14:19:28,211 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:19:28,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:19:28,725 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:19:28,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:19:28,983 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:19:28,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:28 WrapperNode [2024-11-13 14:19:28,984 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:19:28,985 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:19:28,985 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:19:28,986 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:19:28,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:28" (1/1) ... [2024-11-13 14:19:29,022 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:28" (1/1) ... [2024-11-13 14:19:29,088 INFO L138 Inliner]: procedures = 280, calls = 834, calls flagged for inlining = 12, calls inlined = 13, statements flattened = 984 [2024-11-13 14:19:29,089 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:19:29,089 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:19:29,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:19:29,090 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:19:29,101 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:28" (1/1) ... [2024-11-13 14:19:29,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:28" (1/1) ... [2024-11-13 14:19:29,122 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:28" (1/1) ... [2024-11-13 14:19:29,125 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:28" (1/1) ... [2024-11-13 14:19:29,164 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:28" (1/1) ... [2024-11-13 14:19:29,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:28" (1/1) ... [2024-11-13 14:19:29,173 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:28" (1/1) ... [2024-11-13 14:19:29,176 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:28" (1/1) ... [2024-11-13 14:19:29,184 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:19:29,185 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:19:29,185 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:19:29,185 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:19:29,186 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:28" (1/1) ... [2024-11-13 14:19:29,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:19:29,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf1a69b-3939-4e0f-8fd2-798952c584bb/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:29,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf1a69b-3939-4e0f-8fd2-798952c584bb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:29,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf1a69b-3939-4e0f-8fd2-798952c584bb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:19:29,276 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-11-13 14:19:29,276 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-11-13 14:19:29,276 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-11-13 14:19:29,276 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-11-13 14:19:29,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 14:19:29,276 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 14:19:29,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 14:19:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 14:19:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 14:19:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:19:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 14:19:29,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:19:29,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:19:29,281 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 14:19:29,502 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:19:29,504 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:19:31,393 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 14:19:31,393 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:19:31,447 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:19:31,451 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 14:19:31,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:19:31 BoogieIcfgContainer [2024-11-13 14:19:31,452 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:19:31,454 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:19:31,454 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:19:31,491 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:19:31,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:19:28" (1/3) ... [2024-11-13 14:19:31,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b0c37c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:19:31, skipping insertion in model container [2024-11-13 14:19:31,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:28" (2/3) ... [2024-11-13 14:19:31,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b0c37c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:19:31, skipping insertion in model container [2024-11-13 14:19:31,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:19:31" (3/3) ... [2024-11-13 14:19:31,497 INFO L112 eAbstractionObserver]: Analyzing ICFG stack_longest-2.i [2024-11-13 14:19:31,520 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:19:31,523 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG stack_longest-2.i that has 3 procedures, 997 locations, 1 initial locations, 2 loop locations, and 11 error locations. [2024-11-13 14:19:31,523 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 14:19:31,717 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 14:19:31,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1003 places, 1008 transitions, 2030 flow [2024-11-13 14:19:32,432 INFO L124 PetriNetUnfolderBase]: 12/1006 cut-off events. [2024-11-13 14:19:32,435 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 14:19:32,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1015 conditions, 1006 events. 12/1006 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 488 event pairs, 0 based on Foata normal form. 0/983 useless extension candidates. Maximal degree in co-relation 922. Up to 3 conditions per place. [2024-11-13 14:19:32,448 INFO L82 GeneralOperation]: Start removeDead. Operand has 1003 places, 1008 transitions, 2030 flow [2024-11-13 14:19:32,465 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 996 places, 1001 transitions, 2011 flow [2024-11-13 14:19:32,480 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:19:32,500 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;@8c6ce09, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:19:32,503 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-13 14:19:32,871 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 14:19:32,872 INFO L124 PetriNetUnfolderBase]: 3/868 cut-off events. [2024-11-13 14:19:32,872 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 14:19:32,872 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:19:32,875 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:19:32,876 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] === [2024-11-13 14:19:32,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:32,882 INFO L85 PathProgramCache]: Analyzing trace with hash 564039791, now seen corresponding path program 1 times [2024-11-13 14:19:32,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:32,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52183673] [2024-11-13 14:19:32,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:32,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:34,342 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 14:19:34,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:34,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52183673] [2024-11-13 14:19:34,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52183673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:34,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:34,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:19:34,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031495418] [2024-11-13 14:19:34,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:34,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:34,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:34,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:34,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:34,483 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 968 out of 1008 [2024-11-13 14:19:34,492 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 996 places, 1001 transitions, 2011 flow. Second operand has 3 states, 3 states have (on average 969.6666666666666) internal successors, (2909), 3 states have internal predecessors, (2909), 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 14:19:34,492 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:19:34,493 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 968 of 1008 [2024-11-13 14:19:34,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:19:35,934 INFO L124 PetriNetUnfolderBase]: 274/3171 cut-off events. [2024-11-13 14:19:35,936 INFO L125 PetriNetUnfolderBase]: For 148/148 co-relation queries the response was YES. [2024-11-13 14:19:35,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3785 conditions, 3171 events. 274/3171 cut-off events. For 148/148 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 16981 event pairs, 76 based on Foata normal form. 211/3138 useless extension candidates. Maximal degree in co-relation 2779. Up to 405 conditions per place. [2024-11-13 14:19:35,963 INFO L140 encePairwiseOnDemand]: 978/1008 looper letters, 36 selfloop transitions, 16 changer transitions 0/1010 dead transitions. [2024-11-13 14:19:35,964 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 992 places, 1010 transitions, 2139 flow [2024-11-13 14:19:35,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:35,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:19:35,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2977 transitions. [2024-11-13 14:19:35,996 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.984457671957672 [2024-11-13 14:19:35,998 INFO L175 Difference]: Start difference. First operand has 996 places, 1001 transitions, 2011 flow. Second operand 3 states and 2977 transitions. [2024-11-13 14:19:36,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 992 places, 1010 transitions, 2139 flow [2024-11-13 14:19:36,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 989 places, 1010 transitions, 2131 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-13 14:19:36,047 INFO L231 Difference]: Finished difference. Result has 991 places, 1004 transitions, 2122 flow [2024-11-13 14:19:36,051 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1008, PETRI_DIFFERENCE_MINUEND_FLOW=1980, PETRI_DIFFERENCE_MINUEND_PLACES=987, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=988, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=972, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2122, PETRI_PLACES=991, PETRI_TRANSITIONS=1004} [2024-11-13 14:19:36,055 INFO L277 CegarLoopForPetriNet]: 996 programPoint places, -5 predicate places. [2024-11-13 14:19:36,056 INFO L471 AbstractCegarLoop]: Abstraction has has 991 places, 1004 transitions, 2122 flow [2024-11-13 14:19:36,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 969.6666666666666) internal successors, (2909), 3 states have internal predecessors, (2909), 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 14:19:36,059 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:19:36,061 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:19:36,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:19:36,062 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] === [2024-11-13 14:19:36,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:36,066 INFO L85 PathProgramCache]: Analyzing trace with hash -499428735, now seen corresponding path program 1 times [2024-11-13 14:19:36,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:36,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699040278] [2024-11-13 14:19:36,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:36,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:37,805 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 14:19:37,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:37,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699040278] [2024-11-13 14:19:37,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699040278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:37,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:37,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:19:37,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510657597] [2024-11-13 14:19:37,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:37,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:37,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:37,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:37,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:37,855 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 984 out of 1008 [2024-11-13 14:19:37,862 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 991 places, 1004 transitions, 2122 flow. Second operand has 3 states, 3 states have (on average 986.3333333333334) internal successors, (2959), 3 states have internal predecessors, (2959), 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 14:19:37,862 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:19:37,862 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 984 of 1008 [2024-11-13 14:19:37,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:19:39,353 INFO L124 PetriNetUnfolderBase]: 277/3822 cut-off events. [2024-11-13 14:19:39,353 INFO L125 PetriNetUnfolderBase]: For 125/125 co-relation queries the response was YES. [2024-11-13 14:19:39,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4676 conditions, 3822 events. 277/3822 cut-off events. For 125/125 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 22753 event pairs, 91 based on Foata normal form. 22/3592 useless extension candidates. Maximal degree in co-relation 3628. Up to 350 conditions per place. [2024-11-13 14:19:39,387 INFO L140 encePairwiseOnDemand]: 1003/1008 looper letters, 18 selfloop transitions, 3 changer transitions 0/1011 dead transitions. [2024-11-13 14:19:39,387 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 993 places, 1011 transitions, 2181 flow [2024-11-13 14:19:39,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:39,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:19:39,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2975 transitions. [2024-11-13 14:19:39,399 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9837962962962963 [2024-11-13 14:19:39,399 INFO L175 Difference]: Start difference. First operand has 991 places, 1004 transitions, 2122 flow. Second operand 3 states and 2975 transitions. [2024-11-13 14:19:39,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 993 places, 1011 transitions, 2181 flow [2024-11-13 14:19:39,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 991 places, 1011 transitions, 2149 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:19:39,430 INFO L231 Difference]: Finished difference. Result has 992 places, 1005 transitions, 2107 flow [2024-11-13 14:19:39,432 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1008, PETRI_DIFFERENCE_MINUEND_FLOW=2090, PETRI_DIFFERENCE_MINUEND_PLACES=989, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1004, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1001, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2107, PETRI_PLACES=992, PETRI_TRANSITIONS=1005} [2024-11-13 14:19:39,433 INFO L277 CegarLoopForPetriNet]: 996 programPoint places, -4 predicate places. [2024-11-13 14:19:39,434 INFO L471 AbstractCegarLoop]: Abstraction has has 992 places, 1005 transitions, 2107 flow [2024-11-13 14:19:39,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 986.3333333333334) internal successors, (2959), 3 states have internal predecessors, (2959), 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 14:19:39,437 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:19:39,438 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:19:39,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:19:39,438 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] === [2024-11-13 14:19:39,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:39,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1751214839, now seen corresponding path program 1 times [2024-11-13 14:19:39,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:39,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404186204] [2024-11-13 14:19:39,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:39,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:44,420 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 14:19:44,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:44,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404186204] [2024-11-13 14:19:44,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404186204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:44,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:44,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:19:44,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089644935] [2024-11-13 14:19:44,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:44,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:19:44,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:44,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:19:44,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:19:44,565 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 974 out of 1008 [2024-11-13 14:19:44,574 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 992 places, 1005 transitions, 2107 flow. Second operand has 6 states, 6 states have (on average 975.8333333333334) internal successors, (5855), 6 states have internal predecessors, (5855), 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 14:19:44,575 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:19:44,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 974 of 1008 [2024-11-13 14:19:44,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:19:46,404 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([2188] L1008-3-->L1013-2: Formula: (and (= |v_t2Thread1of1ForFork0_#t~ret48#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork0_#t~ret48#1=|v_t2Thread1of1ForFork0_#t~ret48#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork0_#t~ret48#1][869], [1015#true, Black: 1006#true, 1011#true, 633#L1013-2true, Black: 1013#(= ~top~0 0), 14#L1022-4true, 1004#true, 296#L959-1true]) [2024-11-13 14:19:46,405 INFO L294 olderBase$Statistics]: this new event has 1031 ancestors and is cut-off event [2024-11-13 14:19:46,405 INFO L297 olderBase$Statistics]: existing Event has 962 ancestors and is cut-off event [2024-11-13 14:19:46,405 INFO L297 olderBase$Statistics]: existing Event has 923 ancestors and is cut-off event [2024-11-13 14:19:46,405 INFO L297 olderBase$Statistics]: existing Event has 934 ancestors and is cut-off event [2024-11-13 14:19:46,406 INFO L124 PetriNetUnfolderBase]: 556/4948 cut-off events. [2024-11-13 14:19:46,406 INFO L125 PetriNetUnfolderBase]: For 62/62 co-relation queries the response was YES. [2024-11-13 14:19:46,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6523 conditions, 4948 events. 556/4948 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 33506 event pairs, 211 based on Foata normal form. 0/4609 useless extension candidates. Maximal degree in co-relation 5356. Up to 771 conditions per place. [2024-11-13 14:19:46,433 INFO L140 encePairwiseOnDemand]: 997/1008 looper letters, 35 selfloop transitions, 22 changer transitions 0/1038 dead transitions. [2024-11-13 14:19:46,433 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 997 places, 1038 transitions, 2295 flow [2024-11-13 14:19:46,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:19:46,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 14:19:46,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5902 transitions. [2024-11-13 14:19:46,446 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9758597883597884 [2024-11-13 14:19:46,447 INFO L175 Difference]: Start difference. First operand has 992 places, 1005 transitions, 2107 flow. Second operand 6 states and 5902 transitions. [2024-11-13 14:19:46,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 997 places, 1038 transitions, 2295 flow [2024-11-13 14:19:46,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 996 places, 1038 transitions, 2292 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 14:19:46,465 INFO L231 Difference]: Finished difference. Result has 1001 places, 1026 transitions, 2254 flow [2024-11-13 14:19:46,467 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1008, PETRI_DIFFERENCE_MINUEND_FLOW=2104, PETRI_DIFFERENCE_MINUEND_PLACES=991, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1005, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=995, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2254, PETRI_PLACES=1001, PETRI_TRANSITIONS=1026} [2024-11-13 14:19:46,467 INFO L277 CegarLoopForPetriNet]: 996 programPoint places, 5 predicate places. [2024-11-13 14:19:46,468 INFO L471 AbstractCegarLoop]: Abstraction has has 1001 places, 1026 transitions, 2254 flow [2024-11-13 14:19:46,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 975.8333333333334) internal successors, (5855), 6 states have internal predecessors, (5855), 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 14:19:46,471 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:19:46,472 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:19:46,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:19:46,472 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] === [2024-11-13 14:19:46,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:46,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1648044253, now seen corresponding path program 1 times [2024-11-13 14:19:46,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:46,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286589025] [2024-11-13 14:19:46,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:46,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:46,893 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 14:19:46,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:46,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286589025] [2024-11-13 14:19:46,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286589025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:46,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:46,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:19:46,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336753188] [2024-11-13 14:19:46,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:46,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:46,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:46,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:46,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:46,953 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 976 out of 1008 [2024-11-13 14:19:46,957 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1001 places, 1026 transitions, 2254 flow. Second operand has 3 states, 3 states have (on average 979.0) internal successors, (2937), 3 states have internal predecessors, (2937), 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 14:19:46,957 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:19:46,957 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 976 of 1008 [2024-11-13 14:19:46,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:19:48,830 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([2188] L1008-3-->L1013-2: Formula: (and (= |v_t2Thread1of1ForFork0_#t~ret48#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork0_#t~ret48#1=|v_t2Thread1of1ForFork0_#t~ret48#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork0_#t~ret48#1][869], [Black: 1017#(= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4))) |t1Thread1of1ForFork1_push_#t~nondet37#1|), 1015#true, Black: 1019#(and (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 2)) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4))) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 1)) |t1Thread1of1ForFork1_push_#t~nondet37#1|)), Black: 1006#true, 633#L1013-2true, 670#L998-2true, Black: 1013#(= ~top~0 0), 14#L1022-4true, 1004#true, 1026#true, Black: 1018#(and (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4))) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 1)) |t1Thread1of1ForFork1_push_#t~nondet37#1|)), Black: 1020#(and (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 2)) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 3)) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4))) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 1)) |t1Thread1of1ForFork1_push_#t~nondet37#1|))]) [2024-11-13 14:19:48,830 INFO L294 olderBase$Statistics]: this new event has 1011 ancestors and is cut-off event [2024-11-13 14:19:48,831 INFO L297 olderBase$Statistics]: existing Event has 903 ancestors and is cut-off event [2024-11-13 14:19:48,831 INFO L297 olderBase$Statistics]: existing Event has 903 ancestors and is cut-off event [2024-11-13 14:19:48,831 INFO L297 olderBase$Statistics]: existing Event has 937 ancestors and is cut-off event [2024-11-13 14:19:48,891 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([2188] L1008-3-->L1013-2: Formula: (and (= |v_t2Thread1of1ForFork0_#t~ret48#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork0_#t~ret48#1=|v_t2Thread1of1ForFork0_#t~ret48#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork0_#t~ret48#1][869], [Black: 1017#(= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4))) |t1Thread1of1ForFork1_push_#t~nondet37#1|), 1015#true, Black: 1019#(and (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 2)) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4))) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 1)) |t1Thread1of1ForFork1_push_#t~nondet37#1|)), Black: 1006#true, 633#L1013-2true, Black: 1013#(= ~top~0 0), 404#L993-3true, 14#L1022-4true, 1004#true, 1026#true, Black: 1018#(and (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4))) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 1)) |t1Thread1of1ForFork1_push_#t~nondet37#1|)), Black: 1020#(and (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 2)) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 3)) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4))) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 1)) |t1Thread1of1ForFork1_push_#t~nondet37#1|))]) [2024-11-13 14:19:48,891 INFO L294 olderBase$Statistics]: this new event has 1017 ancestors and is cut-off event [2024-11-13 14:19:48,891 INFO L297 olderBase$Statistics]: existing Event has 943 ancestors and is cut-off event [2024-11-13 14:19:48,891 INFO L297 olderBase$Statistics]: existing Event has 909 ancestors and is cut-off event [2024-11-13 14:19:48,892 INFO L297 olderBase$Statistics]: existing Event has 909 ancestors and is cut-off event [2024-11-13 14:19:48,928 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([2188] L1008-3-->L1013-2: Formula: (and (= |v_t2Thread1of1ForFork0_#t~ret48#1_1| 0) (= |v_#pthreadsMutex_31| (store |v_#pthreadsMutex_32| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_32| |v_~#m~0.base_25|) |v_~#m~0.offset_25| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_32|, ~#m~0.base=|v_~#m~0.base_25|, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_31|, ~#m~0.base=|v_~#m~0.base_25|, t2Thread1of1ForFork0_#t~ret48#1=|v_t2Thread1of1ForFork0_#t~ret48#1_1|, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork0_#t~ret48#1][869], [Black: 1017#(= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4))) |t1Thread1of1ForFork1_push_#t~nondet37#1|), 1015#true, Black: 1019#(and (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 2)) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4))) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 1)) |t1Thread1of1ForFork1_push_#t~nondet37#1|)), Black: 1006#true, 633#L1013-2true, Black: 1013#(= ~top~0 0), 1004#true, 1026#true, 126#L1023-1true, Black: 1018#(and (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4))) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 1)) |t1Thread1of1ForFork1_push_#t~nondet37#1|)), Black: 1020#(and (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 2)) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 3)) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4))) |t1Thread1of1ForFork1_push_#t~nondet37#1|) (= (select (select |#race| |t1Thread1of1ForFork1_push_~stack#1.base|) (+ |t1Thread1of1ForFork1_push_~stack#1.offset| (* |t1Thread1of1ForFork1_push_#t~ret36#1| 4) 1)) |t1Thread1of1ForFork1_push_#t~nondet37#1|))]) [2024-11-13 14:19:48,929 INFO L294 olderBase$Statistics]: this new event has 1021 ancestors and is cut-off event [2024-11-13 14:19:48,929 INFO L297 olderBase$Statistics]: existing Event has 913 ancestors and is cut-off event [2024-11-13 14:19:48,929 INFO L297 olderBase$Statistics]: existing Event has 913 ancestors and is cut-off event [2024-11-13 14:19:48,929 INFO L297 olderBase$Statistics]: existing Event has 947 ancestors and is cut-off event [2024-11-13 14:19:48,955 INFO L124 PetriNetUnfolderBase]: 521/5007 cut-off events. [2024-11-13 14:19:48,956 INFO L125 PetriNetUnfolderBase]: For 383/434 co-relation queries the response was YES. [2024-11-13 14:19:48,973 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6950 conditions, 5007 events. 521/5007 cut-off events. For 383/434 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 33232 event pairs, 173 based on Foata normal form. 15/4703 useless extension candidates. Maximal degree in co-relation 5823. Up to 786 conditions per place. [2024-11-13 14:19:48,988 INFO L140 encePairwiseOnDemand]: 999/1008 looper letters, 32 selfloop transitions, 13 changer transitions 0/1040 dead transitions. [2024-11-13 14:19:48,988 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1003 places, 1040 transitions, 2392 flow [2024-11-13 14:19:48,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:48,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:19:48,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2961 transitions. [2024-11-13 14:19:48,997 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9791666666666666 [2024-11-13 14:19:48,997 INFO L175 Difference]: Start difference. First operand has 1001 places, 1026 transitions, 2254 flow. Second operand 3 states and 2961 transitions. [2024-11-13 14:19:48,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1003 places, 1040 transitions, 2392 flow [2024-11-13 14:19:49,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1003 places, 1040 transitions, 2392 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 14:19:49,024 INFO L231 Difference]: Finished difference. Result has 1005 places, 1037 transitions, 2370 flow [2024-11-13 14:19:49,025 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1008, PETRI_DIFFERENCE_MINUEND_FLOW=2254, PETRI_DIFFERENCE_MINUEND_PLACES=1001, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1026, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1013, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2370, PETRI_PLACES=1005, PETRI_TRANSITIONS=1037} [2024-11-13 14:19:49,027 INFO L277 CegarLoopForPetriNet]: 996 programPoint places, 9 predicate places. [2024-11-13 14:19:49,027 INFO L471 AbstractCegarLoop]: Abstraction has has 1005 places, 1037 transitions, 2370 flow [2024-11-13 14:19:49,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 979.0) internal successors, (2937), 3 states have internal predecessors, (2937), 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 14:19:49,029 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:19:49,030 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:19:49,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:19:49,031 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] === [2024-11-13 14:19:49,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:49,031 INFO L85 PathProgramCache]: Analyzing trace with hash -902904570, now seen corresponding path program 1 times [2024-11-13 14:19:49,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:49,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797936629] [2024-11-13 14:19:49,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:49,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:50,252 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 14:19:50,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:50,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797936629] [2024-11-13 14:19:50,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797936629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:50,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:50,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:19:50,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927870070] [2024-11-13 14:19:50,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:50,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:50,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:50,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:50,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:50,287 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 989 out of 1008 [2024-11-13 14:19:50,293 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1005 places, 1037 transitions, 2370 flow. Second operand has 3 states, 3 states have (on average 991.0) internal successors, (2973), 3 states have internal predecessors, (2973), 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 14:19:50,293 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:19:50,293 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 989 of 1008 [2024-11-13 14:19:50,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:19:50,800 INFO L124 PetriNetUnfolderBase]: 33/1501 cut-off events. [2024-11-13 14:19:50,800 INFO L125 PetriNetUnfolderBase]: For 47/47 co-relation queries the response was YES. [2024-11-13 14:19:50,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1770 conditions, 1501 events. 33/1501 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3029 event pairs, 5 based on Foata normal form. 11/1478 useless extension candidates. Maximal degree in co-relation 1094. Up to 65 conditions per place. [2024-11-13 14:19:50,806 INFO L140 encePairwiseOnDemand]: 1004/1008 looper letters, 7 selfloop transitions, 4 changer transitions 0/984 dead transitions. [2024-11-13 14:19:50,806 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 998 places, 984 transitions, 2097 flow [2024-11-13 14:19:50,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:50,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:19:50,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2980 transitions. [2024-11-13 14:19:50,817 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9854497354497355 [2024-11-13 14:19:50,818 INFO L175 Difference]: Start difference. First operand has 1005 places, 1037 transitions, 2370 flow. Second operand 3 states and 2980 transitions. [2024-11-13 14:19:50,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 998 places, 984 transitions, 2097 flow [2024-11-13 14:19:50,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 984 places, 984 transitions, 2023 flow, removed 23 selfloop flow, removed 14 redundant places. [2024-11-13 14:19:50,837 INFO L231 Difference]: Finished difference. Result has 984 places, 982 transitions, 2002 flow [2024-11-13 14:19:50,839 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1008, PETRI_DIFFERENCE_MINUEND_FLOW=1994, PETRI_DIFFERENCE_MINUEND_PLACES=982, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=982, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=978, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2002, PETRI_PLACES=984, PETRI_TRANSITIONS=982} [2024-11-13 14:19:50,840 INFO L277 CegarLoopForPetriNet]: 996 programPoint places, -12 predicate places. [2024-11-13 14:19:50,840 INFO L471 AbstractCegarLoop]: Abstraction has has 984 places, 982 transitions, 2002 flow [2024-11-13 14:19:50,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 991.0) internal successors, (2973), 3 states have internal predecessors, (2973), 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 14:19:50,842 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:19:50,843 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:19:50,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 14:19:50,843 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] === [2024-11-13 14:19:50,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:50,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1030742478, now seen corresponding path program 1 times [2024-11-13 14:19:50,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:50,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135054954] [2024-11-13 14:19:50,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:50,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:51,193 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 14:19:51,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:51,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135054954] [2024-11-13 14:19:51,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135054954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:51,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:51,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:19:51,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754412445] [2024-11-13 14:19:51,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:51,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:51,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:51,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:51,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:51,266 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 976 out of 1008 [2024-11-13 14:19:51,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 984 places, 982 transitions, 2002 flow. Second operand has 3 states, 3 states have (on average 981.3333333333334) internal successors, (2944), 3 states have internal predecessors, (2944), 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 14:19:51,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:19:51,270 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 976 of 1008 [2024-11-13 14:19:51,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:19:51,669 INFO L124 PetriNetUnfolderBase]: 52/1515 cut-off events. [2024-11-13 14:19:51,670 INFO L125 PetriNetUnfolderBase]: For 76/76 co-relation queries the response was YES. [2024-11-13 14:19:51,673 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1745 conditions, 1515 events. 52/1515 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3367 event pairs, 28 based on Foata normal form. 0/1482 useless extension candidates. Maximal degree in co-relation 1053. Up to 119 conditions per place. [2024-11-13 14:19:51,680 INFO L140 encePairwiseOnDemand]: 1005/1008 looper letters, 22 selfloop transitions, 2 changer transitions 0/982 dead transitions. [2024-11-13 14:19:51,680 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 985 places, 982 transitions, 2051 flow [2024-11-13 14:19:51,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:51,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:19:51,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2951 transitions. [2024-11-13 14:19:51,687 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9758597883597884 [2024-11-13 14:19:51,687 INFO L175 Difference]: Start difference. First operand has 984 places, 982 transitions, 2002 flow. Second operand 3 states and 2951 transitions. [2024-11-13 14:19:51,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 985 places, 982 transitions, 2051 flow [2024-11-13 14:19:51,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 984 places, 982 transitions, 2047 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 14:19:51,705 INFO L231 Difference]: Finished difference. Result has 984 places, 981 transitions, 2000 flow [2024-11-13 14:19:51,707 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1008, PETRI_DIFFERENCE_MINUEND_FLOW=1996, PETRI_DIFFERENCE_MINUEND_PLACES=982, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=981, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=979, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2000, PETRI_PLACES=984, PETRI_TRANSITIONS=981} [2024-11-13 14:19:51,709 INFO L277 CegarLoopForPetriNet]: 996 programPoint places, -12 predicate places. [2024-11-13 14:19:51,710 INFO L471 AbstractCegarLoop]: Abstraction has has 984 places, 981 transitions, 2000 flow [2024-11-13 14:19:51,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 981.3333333333334) internal successors, (2944), 3 states have internal predecessors, (2944), 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 14:19:51,712 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:19:51,713 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:19:51,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 14:19:51,713 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 22 more)] === [2024-11-13 14:19:51,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:51,714 INFO L85 PathProgramCache]: Analyzing trace with hash 770524305, now seen corresponding path program 1 times [2024-11-13 14:19:51,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:51,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086776043] [2024-11-13 14:19:51,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:51,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:54,456 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 14:19:54,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:54,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086776043] [2024-11-13 14:19:54,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086776043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:54,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:54,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:19:54,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514534163] [2024-11-13 14:19:54,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:54,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:19:54,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:54,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:19:54,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:19:54,527 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 976 out of 1008 [2024-11-13 14:19:54,534 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 984 places, 981 transitions, 2000 flow. Second operand has 6 states, 6 states have (on average 978.8333333333334) internal successors, (5873), 6 states have internal predecessors, (5873), 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 14:19:54,534 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:19:54,534 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 976 of 1008 [2024-11-13 14:19:54,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:19:54,941 INFO L124 PetriNetUnfolderBase]: 51/1511 cut-off events. [2024-11-13 14:19:54,941 INFO L125 PetriNetUnfolderBase]: For 42/42 co-relation queries the response was YES. [2024-11-13 14:19:54,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1718 conditions, 1511 events. 51/1511 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3325 event pairs, 26 based on Foata normal form. 0/1480 useless extension candidates. Maximal degree in co-relation 1612. Up to 105 conditions per place. [2024-11-13 14:19:54,946 INFO L140 encePairwiseOnDemand]: 1002/1008 looper letters, 0 selfloop transitions, 0 changer transitions 984/984 dead transitions. [2024-11-13 14:19:54,946 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 988 places, 984 transitions, 2060 flow [2024-11-13 14:19:54,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:19:54,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 14:19:54,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5882 transitions. [2024-11-13 14:19:54,956 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.97255291005291 [2024-11-13 14:19:54,957 INFO L175 Difference]: Start difference. First operand has 984 places, 981 transitions, 2000 flow. Second operand 6 states and 5882 transitions. [2024-11-13 14:19:54,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 988 places, 984 transitions, 2060 flow [2024-11-13 14:19:54,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 986 places, 984 transitions, 2056 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:19:54,969 INFO L231 Difference]: Finished difference. Result has 986 places, 0 transitions, 0 flow [2024-11-13 14:19:54,971 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1008, PETRI_DIFFERENCE_MINUEND_FLOW=1994, PETRI_DIFFERENCE_MINUEND_PLACES=981, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=980, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=980, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=986, PETRI_TRANSITIONS=0} [2024-11-13 14:19:54,971 INFO L277 CegarLoopForPetriNet]: 996 programPoint places, -10 predicate places. [2024-11-13 14:19:54,971 INFO L471 AbstractCegarLoop]: Abstraction has has 986 places, 0 transitions, 0 flow [2024-11-13 14:19:54,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 978.8333333333334) internal successors, (5873), 6 states have internal predecessors, (5873), 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 14:19:54,978 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 24 remaining) [2024-11-13 14:19:54,979 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 24 remaining) [2024-11-13 14:19:54,979 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (21 of 24 remaining) [2024-11-13 14:19:54,979 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (20 of 24 remaining) [2024-11-13 14:19:54,979 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (19 of 24 remaining) [2024-11-13 14:19:54,979 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (18 of 24 remaining) [2024-11-13 14:19:54,979 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (17 of 24 remaining) [2024-11-13 14:19:54,980 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (16 of 24 remaining) [2024-11-13 14:19:54,980 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (15 of 24 remaining) [2024-11-13 14:19:54,980 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (14 of 24 remaining) [2024-11-13 14:19:54,980 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (13 of 24 remaining) [2024-11-13 14:19:54,980 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (12 of 24 remaining) [2024-11-13 14:19:54,980 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (11 of 24 remaining) [2024-11-13 14:19:54,980 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (10 of 24 remaining) [2024-11-13 14:19:54,980 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (9 of 24 remaining) [2024-11-13 14:19:54,980 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (8 of 24 remaining) [2024-11-13 14:19:54,980 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (7 of 24 remaining) [2024-11-13 14:19:54,980 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (6 of 24 remaining) [2024-11-13 14:19:54,980 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (5 of 24 remaining) [2024-11-13 14:19:54,980 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (4 of 24 remaining) [2024-11-13 14:19:54,980 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (3 of 24 remaining) [2024-11-13 14:19:54,981 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (2 of 24 remaining) [2024-11-13 14:19:54,981 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (1 of 24 remaining) [2024-11-13 14:19:54,981 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (0 of 24 remaining) [2024-11-13 14:19:54,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 14:19:54,981 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:54,988 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 14:19:54,990 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:19:54,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:19:54 BasicIcfg [2024-11-13 14:19:54,998 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:19:54,998 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:19:54,999 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:19:54,999 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:19:55,000 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:19:31" (3/4) ... [2024-11-13 14:19:55,001 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 14:19:55,006 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t1 [2024-11-13 14:19:55,006 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2 [2024-11-13 14:19:55,029 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-13 14:19:55,030 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 14:19:55,032 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 14:19:55,033 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 14:19:55,195 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf1a69b-3939-4e0f-8fd2-798952c584bb/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:19:55,196 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf1a69b-3939-4e0f-8fd2-798952c584bb/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 14:19:55,196 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:19:55,197 INFO L158 Benchmark]: Toolchain (without parser) took 27036.23ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 115.2MB in the beginning and 413.6MB in the end (delta: -298.5MB). Peak memory consumption was 738.9MB. Max. memory is 16.1GB. [2024-11-13 14:19:55,197 INFO L158 Benchmark]: CDTParser took 1.06ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:19:55,197 INFO L158 Benchmark]: CACSL2BoogieTranslator took 822.74ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 76.8MB in the end (delta: 38.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 14:19:55,198 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.69ms. Allocated memory is still 142.6MB. Free memory was 76.8MB in the beginning and 68.0MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:19:55,198 INFO L158 Benchmark]: Boogie Preprocessor took 95.05ms. Allocated memory is still 142.6MB. Free memory was 67.8MB in the beginning and 61.8MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:19:55,198 INFO L158 Benchmark]: RCFGBuilder took 2266.78ms. Allocated memory is still 142.6MB. Free memory was 61.8MB in the beginning and 51.6MB in the end (delta: 10.2MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2024-11-13 14:19:55,199 INFO L158 Benchmark]: TraceAbstraction took 23543.57ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 51.0MB in the beginning and 426.2MB in the end (delta: -375.2MB). Peak memory consumption was 668.9MB. Max. memory is 16.1GB. [2024-11-13 14:19:55,199 INFO L158 Benchmark]: Witness Printer took 197.36ms. Allocated memory is still 1.2GB. Free memory was 426.2MB in the beginning and 413.6MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:19:55,201 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.06ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 822.74ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 76.8MB in the end (delta: 38.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.69ms. Allocated memory is still 142.6MB. Free memory was 76.8MB in the beginning and 68.0MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.05ms. Allocated memory is still 142.6MB. Free memory was 67.8MB in the beginning and 61.8MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2266.78ms. Allocated memory is still 142.6MB. Free memory was 61.8MB in the beginning and 51.6MB in the end (delta: 10.2MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * TraceAbstraction took 23543.57ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 51.0MB in the beginning and 426.2MB in the end (delta: -375.2MB). Peak memory consumption was 668.9MB. Max. memory is 16.1GB. * Witness Printer took 197.36ms. Allocated memory is still 1.2GB. Free memory was 426.2MB in the beginning and 413.6MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 961]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 953]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 968]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 945]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 945]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1008]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 975]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 949]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 949]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 953]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 983]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 1152 locations, 24 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.4s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 23.2s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 310 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 131 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 474 IncrementalHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 81 mSDtfsCounter, 474 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2370occurred in iteration=4, InterpolantAutomatonStates: 27, 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: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 11.5s InterpolantComputationTime, 6182 NumberOfCodeBlocks, 6182 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 6175 ConstructedInterpolants, 0 QuantifiedInterpolants, 8103 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 14:19:55,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf1a69b-3939-4e0f-8fd2-798952c584bb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE