./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_43-thread_create_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c342669-2de3-47ec-98a7-8f8fd021283e/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c342669-2de3-47ec-98a7-8f8fd021283e/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c342669-2de3-47ec-98a7-8f8fd021283e/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c342669-2de3-47ec-98a7-8f8fd021283e/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_43-thread_create_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c342669-2de3-47ec-98a7-8f8fd021283e/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c342669-2de3-47ec-98a7-8f8fd021283e/bin/uautomizer-verify-jihMAELWvX --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 4f10ff474b4a5b0ac51f5a2282c4b94cd510edf14cc1176b49d640deffa746e5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:31:09,606 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:31:09,664 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c342669-2de3-47ec-98a7-8f8fd021283e/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-08 18:31:09,668 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:31:09,669 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:31:09,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:31:09,691 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:31:09,691 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:31:09,692 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:31:09,692 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:31:09,693 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:31:09,693 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:31:09,693 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:31:09,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:31:09,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:31:09,694 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:31:09,695 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:31:09,695 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:31:09,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:31:09,696 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:31:09,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:31:09,700 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:31:09,700 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 18:31:09,700 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:31:09,701 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:31:09,701 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:31:09,701 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:31:09,701 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:31:09,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:31:09,702 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:31:09,702 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:31:09,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:31:09,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:31:09,708 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:31:09,708 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:31:09,708 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:31:09,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:31:09,709 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:31:09,709 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:31:09,722 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:31:09,723 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:31:09,723 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c342669-2de3-47ec-98a7-8f8fd021283e/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c342669-2de3-47ec-98a7-8f8fd021283e/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f10ff474b4a5b0ac51f5a2282c4b94cd510edf14cc1176b49d640deffa746e5 [2024-11-08 18:31:09,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:31:10,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:31:10,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:31:10,026 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:31:10,026 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:31:10,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c342669-2de3-47ec-98a7-8f8fd021283e/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/goblint-regression/04-mutex_43-thread_create_nr.i Unable to find full path for "g++" [2024-11-08 18:31:11,980 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:31:12,338 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:31:12,343 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c342669-2de3-47ec-98a7-8f8fd021283e/sv-benchmarks/c/goblint-regression/04-mutex_43-thread_create_nr.i [2024-11-08 18:31:12,369 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c342669-2de3-47ec-98a7-8f8fd021283e/bin/uautomizer-verify-jihMAELWvX/data/6848de7e3/4b5ff5b135ee4e64a11aea4090bbdc16/FLAG34fe2ba44 [2024-11-08 18:31:12,581 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c342669-2de3-47ec-98a7-8f8fd021283e/bin/uautomizer-verify-jihMAELWvX/data/6848de7e3/4b5ff5b135ee4e64a11aea4090bbdc16 [2024-11-08 18:31:12,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:31:12,590 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:31:12,593 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:31:12,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:31:12,610 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:31:12,617 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:31:12" (1/1) ... [2024-11-08 18:31:12,618 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4118ea25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:12, skipping insertion in model container [2024-11-08 18:31:12,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:31:12" (1/1) ... [2024-11-08 18:31:12,708 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:31:13,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:31:13,345 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:31:13,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:31:13,523 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:31:13,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:13 WrapperNode [2024-11-08 18:31:13,525 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:31:13,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:31:13,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:31:13,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:31:13,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:13" (1/1) ... [2024-11-08 18:31:13,563 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:13" (1/1) ... [2024-11-08 18:31:13,606 INFO L138 Inliner]: procedures = 262, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 98 [2024-11-08 18:31:13,610 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:31:13,610 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:31:13,611 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:31:13,611 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:31:13,623 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:13" (1/1) ... [2024-11-08 18:31:13,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:13" (1/1) ... [2024-11-08 18:31:13,628 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:13" (1/1) ... [2024-11-08 18:31:13,629 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:13" (1/1) ... [2024-11-08 18:31:13,639 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:13" (1/1) ... [2024-11-08 18:31:13,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:13" (1/1) ... [2024-11-08 18:31:13,649 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:13" (1/1) ... [2024-11-08 18:31:13,651 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:13" (1/1) ... [2024-11-08 18:31:13,657 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:31:13,661 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:31:13,662 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:31:13,662 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:31:13,663 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:13" (1/1) ... [2024-11-08 18:31:13,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:31:13,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c342669-2de3-47ec-98a7-8f8fd021283e/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:31:13,715 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c342669-2de3-47ec-98a7-8f8fd021283e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:31:13,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c342669-2de3-47ec-98a7-8f8fd021283e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:31:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-08 18:31:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-08 18:31:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:31:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-08 18:31:13,767 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-08 18:31:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 18:31:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:31:13,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:31:13,770 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 18:31:13,996 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:31:13,999 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:31:14,248 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 18:31:14,249 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:31:14,278 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:31:14,279 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:31:14,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:31:14 BoogieIcfgContainer [2024-11-08 18:31:14,280 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:31:14,283 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:31:14,283 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:31:14,288 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:31:14,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:31:12" (1/3) ... [2024-11-08 18:31:14,289 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3321825f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:31:14, skipping insertion in model container [2024-11-08 18:31:14,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:31:13" (2/3) ... [2024-11-08 18:31:14,290 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3321825f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:31:14, skipping insertion in model container [2024-11-08 18:31:14,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:31:14" (3/3) ... [2024-11-08 18:31:14,292 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_43-thread_create_nr.i [2024-11-08 18:31:14,316 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:31:14,317 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-11-08 18:31:14,317 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 18:31:14,407 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 18:31:14,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 128 places, 124 transitions, 252 flow [2024-11-08 18:31:14,548 INFO L124 PetriNetUnfolderBase]: 0/123 cut-off events. [2024-11-08 18:31:14,548 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:31:14,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 123 events. 0/123 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 44 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-08 18:31:14,553 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 124 transitions, 252 flow [2024-11-08 18:31:14,559 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 127 places, 123 transitions, 249 flow [2024-11-08 18:31:14,571 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:31:14,580 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;@4e6bcd53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:31:14,581 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-08 18:31:14,609 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 18:31:14,610 INFO L124 PetriNetUnfolderBase]: 0/74 cut-off events. [2024-11-08 18:31:14,610 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:31:14,610 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:31:14,611 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:31:14,612 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-08 18:31:14,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:14,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1060240128, now seen corresponding path program 1 times [2024-11-08 18:31:14,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:31:14,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743993946] [2024-11-08 18:31:14,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:14,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:31:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:15,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:31:15,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:31:15,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743993946] [2024-11-08 18:31:15,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743993946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:31:15,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:31:15,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:31:15,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936251827] [2024-11-08 18:31:15,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:31:15,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:31:15,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:31:15,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:31:15,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:31:15,112 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 124 [2024-11-08 18:31:15,116 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 123 transitions, 249 flow. Second operand has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 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) [2024-11-08 18:31:15,116 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:31:15,116 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 124 [2024-11-08 18:31:15,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:31:15,197 INFO L124 PetriNetUnfolderBase]: 6/173 cut-off events. [2024-11-08 18:31:15,197 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 18:31:15,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 173 events. 6/173 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 234 event pairs, 6 based on Foata normal form. 0/159 useless extension candidates. Maximal degree in co-relation 101. Up to 22 conditions per place. [2024-11-08 18:31:15,201 INFO L140 encePairwiseOnDemand]: 121/124 looper letters, 9 selfloop transitions, 2 changer transitions 0/122 dead transitions. [2024-11-08 18:31:15,202 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 122 transitions, 269 flow [2024-11-08 18:31:15,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:31:15,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:31:15,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 348 transitions. [2024-11-08 18:31:15,220 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9354838709677419 [2024-11-08 18:31:15,222 INFO L175 Difference]: Start difference. First operand has 127 places, 123 transitions, 249 flow. Second operand 3 states and 348 transitions. [2024-11-08 18:31:15,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 122 transitions, 269 flow [2024-11-08 18:31:15,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 122 transitions, 268 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 18:31:15,234 INFO L231 Difference]: Finished difference. Result has 127 places, 122 transitions, 250 flow [2024-11-08 18:31:15,239 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=250, PETRI_PLACES=127, PETRI_TRANSITIONS=122} [2024-11-08 18:31:15,244 INFO L277 CegarLoopForPetriNet]: 127 programPoint places, 0 predicate places. [2024-11-08 18:31:15,244 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 122 transitions, 250 flow [2024-11-08 18:31:15,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 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) [2024-11-08 18:31:15,249 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:31:15,249 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] [2024-11-08 18:31:15,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:31:15,250 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-08 18:31:15,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:15,251 INFO L85 PathProgramCache]: Analyzing trace with hash -423887029, now seen corresponding path program 1 times [2024-11-08 18:31:15,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:31:15,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386786380] [2024-11-08 18:31:15,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:15,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:31:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:15,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:31:15,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:31:15,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386786380] [2024-11-08 18:31:15,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386786380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:31:15,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:31:15,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:31:15,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366608275] [2024-11-08 18:31:15,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:31:15,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:31:15,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:31:15,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:31:15,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:31:15,521 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 124 [2024-11-08 18:31:15,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 122 transitions, 250 flow. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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) [2024-11-08 18:31:15,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:31:15,523 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 124 [2024-11-08 18:31:15,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:31:15,566 INFO L124 PetriNetUnfolderBase]: 0/120 cut-off events. [2024-11-08 18:31:15,567 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:31:15,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 120 events. 0/120 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 40 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2024-11-08 18:31:15,568 INFO L140 encePairwiseOnDemand]: 118/124 looper letters, 5 selfloop transitions, 4 changer transitions 0/120 dead transitions. [2024-11-08 18:31:15,568 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 120 transitions, 264 flow [2024-11-08 18:31:15,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:31:15,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:31:15,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 350 transitions. [2024-11-08 18:31:15,574 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9408602150537635 [2024-11-08 18:31:15,574 INFO L175 Difference]: Start difference. First operand has 127 places, 122 transitions, 250 flow. Second operand 3 states and 350 transitions. [2024-11-08 18:31:15,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 120 transitions, 264 flow [2024-11-08 18:31:15,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 120 transitions, 260 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:31:15,582 INFO L231 Difference]: Finished difference. Result has 125 places, 120 transitions, 250 flow [2024-11-08 18:31:15,583 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=250, PETRI_PLACES=125, PETRI_TRANSITIONS=120} [2024-11-08 18:31:15,584 INFO L277 CegarLoopForPetriNet]: 127 programPoint places, -2 predicate places. [2024-11-08 18:31:15,584 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 120 transitions, 250 flow [2024-11-08 18:31:15,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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) [2024-11-08 18:31:15,588 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:31:15,589 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:31:15,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:31:15,589 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-08 18:31:15,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:15,590 INFO L85 PathProgramCache]: Analyzing trace with hash 524466032, now seen corresponding path program 1 times [2024-11-08 18:31:15,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:31:15,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225598094] [2024-11-08 18:31:15,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:15,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:31:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:15,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:31:15,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:31:15,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225598094] [2024-11-08 18:31:15,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225598094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:31:15,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:31:15,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:31:15,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110567731] [2024-11-08 18:31:15,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:31:15,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:31:15,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:31:15,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:31:15,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:31:15,859 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 124 [2024-11-08 18:31:15,861 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 120 transitions, 250 flow. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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) [2024-11-08 18:31:15,861 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:31:15,861 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 124 [2024-11-08 18:31:15,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:31:15,945 INFO L124 PetriNetUnfolderBase]: 4/137 cut-off events. [2024-11-08 18:31:15,945 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-08 18:31:15,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 168 conditions, 137 events. 4/137 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 85 event pairs, 4 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 67. Up to 19 conditions per place. [2024-11-08 18:31:15,947 INFO L140 encePairwiseOnDemand]: 121/124 looper letters, 10 selfloop transitions, 2 changer transitions 0/119 dead transitions. [2024-11-08 18:31:15,949 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 119 transitions, 272 flow [2024-11-08 18:31:15,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:31:15,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:31:15,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 346 transitions. [2024-11-08 18:31:15,952 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9301075268817204 [2024-11-08 18:31:15,952 INFO L175 Difference]: Start difference. First operand has 125 places, 120 transitions, 250 flow. Second operand 3 states and 346 transitions. [2024-11-08 18:31:15,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 119 transitions, 272 flow [2024-11-08 18:31:15,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 119 transitions, 264 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:31:15,956 INFO L231 Difference]: Finished difference. Result has 124 places, 119 transitions, 244 flow [2024-11-08 18:31:15,957 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=244, PETRI_PLACES=124, PETRI_TRANSITIONS=119} [2024-11-08 18:31:15,959 INFO L277 CegarLoopForPetriNet]: 127 programPoint places, -3 predicate places. [2024-11-08 18:31:15,959 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 119 transitions, 244 flow [2024-11-08 18:31:15,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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) [2024-11-08 18:31:15,960 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:31:15,961 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] [2024-11-08 18:31:15,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:31:15,961 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-08 18:31:15,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:15,963 INFO L85 PathProgramCache]: Analyzing trace with hash -362410013, now seen corresponding path program 1 times [2024-11-08 18:31:15,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:31:15,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285598140] [2024-11-08 18:31:15,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:15,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:31:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:16,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:31:16,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:31:16,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285598140] [2024-11-08 18:31:16,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285598140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:31:16,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:31:16,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:31:16,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631028677] [2024-11-08 18:31:16,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:31:16,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:31:16,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:31:16,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:31:16,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:31:16,079 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 124 [2024-11-08 18:31:16,080 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 119 transitions, 244 flow. Second operand has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 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) [2024-11-08 18:31:16,080 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:31:16,080 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 124 [2024-11-08 18:31:16,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:31:16,123 INFO L124 PetriNetUnfolderBase]: 6/148 cut-off events. [2024-11-08 18:31:16,123 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:31:16,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 174 conditions, 148 events. 6/148 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 140 event pairs, 2 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 85. Up to 10 conditions per place. [2024-11-08 18:31:16,125 INFO L140 encePairwiseOnDemand]: 121/124 looper letters, 7 selfloop transitions, 2 changer transitions 0/120 dead transitions. [2024-11-08 18:31:16,125 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 120 transitions, 264 flow [2024-11-08 18:31:16,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:31:16,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:31:16,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 358 transitions. [2024-11-08 18:31:16,127 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9623655913978495 [2024-11-08 18:31:16,128 INFO L175 Difference]: Start difference. First operand has 124 places, 119 transitions, 244 flow. Second operand 3 states and 358 transitions. [2024-11-08 18:31:16,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 120 transitions, 264 flow [2024-11-08 18:31:16,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 120 transitions, 260 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:31:16,131 INFO L231 Difference]: Finished difference. Result has 123 places, 118 transitions, 242 flow [2024-11-08 18:31:16,132 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=242, PETRI_PLACES=123, PETRI_TRANSITIONS=118} [2024-11-08 18:31:16,133 INFO L277 CegarLoopForPetriNet]: 127 programPoint places, -4 predicate places. [2024-11-08 18:31:16,133 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 118 transitions, 242 flow [2024-11-08 18:31:16,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 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) [2024-11-08 18:31:16,134 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:31:16,134 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] [2024-11-08 18:31:16,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 18:31:16,134 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-08 18:31:16,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:16,135 INFO L85 PathProgramCache]: Analyzing trace with hash -820289549, now seen corresponding path program 1 times [2024-11-08 18:31:16,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:31:16,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919510323] [2024-11-08 18:31:16,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:16,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:31:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:16,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:31:16,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:31:16,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919510323] [2024-11-08 18:31:16,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919510323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:31:16,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:31:16,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:31:16,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746174257] [2024-11-08 18:31:16,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:31:16,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:31:16,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:31:16,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:31:16,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:31:16,283 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 124 [2024-11-08 18:31:16,284 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 118 transitions, 242 flow. Second operand has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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) [2024-11-08 18:31:16,284 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:31:16,284 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 124 [2024-11-08 18:31:16,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:31:16,364 INFO L124 PetriNetUnfolderBase]: 12/173 cut-off events. [2024-11-08 18:31:16,364 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-08 18:31:16,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 219 conditions, 173 events. 12/173 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 286 event pairs, 8 based on Foata normal form. 0/166 useless extension candidates. Maximal degree in co-relation 124. Up to 26 conditions per place. [2024-11-08 18:31:16,366 INFO L140 encePairwiseOnDemand]: 121/124 looper letters, 9 selfloop transitions, 2 changer transitions 5/119 dead transitions. [2024-11-08 18:31:16,366 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 119 transitions, 270 flow [2024-11-08 18:31:16,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:31:16,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:31:16,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 350 transitions. [2024-11-08 18:31:16,369 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9408602150537635 [2024-11-08 18:31:16,369 INFO L175 Difference]: Start difference. First operand has 123 places, 118 transitions, 242 flow. Second operand 3 states and 350 transitions. [2024-11-08 18:31:16,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 119 transitions, 270 flow [2024-11-08 18:31:16,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 119 transitions, 266 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:31:16,377 INFO L231 Difference]: Finished difference. Result has 122 places, 113 transitions, 232 flow [2024-11-08 18:31:16,380 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=232, PETRI_PLACES=122, PETRI_TRANSITIONS=113} [2024-11-08 18:31:16,381 INFO L277 CegarLoopForPetriNet]: 127 programPoint places, -5 predicate places. [2024-11-08 18:31:16,381 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 113 transitions, 232 flow [2024-11-08 18:31:16,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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) [2024-11-08 18:31:16,382 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:31:16,382 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] [2024-11-08 18:31:16,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 18:31:16,382 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-08 18:31:16,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:31:16,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1193191267, now seen corresponding path program 1 times [2024-11-08 18:31:16,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:31:16,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164387756] [2024-11-08 18:31:16,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:31:16,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:31:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:31:16,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:31:16,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:31:16,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164387756] [2024-11-08 18:31:16,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164387756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:31:16,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:31:16,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:31:16,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980922386] [2024-11-08 18:31:16,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:31:16,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:31:16,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:31:16,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:31:16,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:31:16,549 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 124 [2024-11-08 18:31:16,550 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 113 transitions, 232 flow. Second operand has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 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) [2024-11-08 18:31:16,550 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:31:16,550 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 124 [2024-11-08 18:31:16,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:31:16,569 INFO L124 PetriNetUnfolderBase]: 0/112 cut-off events. [2024-11-08 18:31:16,569 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:31:16,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 112 events. 0/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 20 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2024-11-08 18:31:16,569 INFO L140 encePairwiseOnDemand]: 121/124 looper letters, 0 selfloop transitions, 0 changer transitions 112/112 dead transitions. [2024-11-08 18:31:16,570 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 112 transitions, 248 flow [2024-11-08 18:31:16,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:31:16,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:31:16,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 349 transitions. [2024-11-08 18:31:16,571 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9381720430107527 [2024-11-08 18:31:16,572 INFO L175 Difference]: Start difference. First operand has 122 places, 113 transitions, 232 flow. Second operand 3 states and 349 transitions. [2024-11-08 18:31:16,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 112 transitions, 248 flow [2024-11-08 18:31:16,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 112 transitions, 244 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:31:16,574 INFO L231 Difference]: Finished difference. Result has 117 places, 0 transitions, 0 flow [2024-11-08 18:31:16,574 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=117, PETRI_TRANSITIONS=0} [2024-11-08 18:31:16,575 INFO L277 CegarLoopForPetriNet]: 127 programPoint places, -10 predicate places. [2024-11-08 18:31:16,575 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 0 transitions, 0 flow [2024-11-08 18:31:16,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 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) [2024-11-08 18:31:16,579 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2024-11-08 18:31:16,580 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2024-11-08 18:31:16,580 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-11-08 18:31:16,580 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2024-11-08 18:31:16,581 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2024-11-08 18:31:16,581 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2024-11-08 18:31:16,581 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-11-08 18:31:16,581 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-11-08 18:31:16,582 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-11-08 18:31:16,582 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-11-08 18:31:16,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 18:31:16,583 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-08 18:31:16,590 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 18:31:16,590 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:31:16,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:31:16 BasicIcfg [2024-11-08 18:31:16,600 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:31:16,600 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:31:16,601 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:31:16,601 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:31:16,602 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:31:14" (3/4) ... [2024-11-08 18:31:16,604 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 18:31:16,608 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-08 18:31:16,617 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-08 18:31:16,618 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 18:31:16,619 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 18:31:16,747 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c342669-2de3-47ec-98a7-8f8fd021283e/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 18:31:16,748 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c342669-2de3-47ec-98a7-8f8fd021283e/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 18:31:16,748 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:31:16,749 INFO L158 Benchmark]: Toolchain (without parser) took 4158.56ms. Allocated memory was 144.7MB in the beginning and 190.8MB in the end (delta: 46.1MB). Free memory was 110.9MB in the beginning and 70.2MB in the end (delta: 40.7MB). Peak memory consumption was 87.0MB. Max. memory is 16.1GB. [2024-11-08 18:31:16,749 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 144.7MB. Free memory was 114.4MB in the beginning and 114.2MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:31:16,750 INFO L158 Benchmark]: CACSL2BoogieTranslator took 931.60ms. Allocated memory is still 144.7MB. Free memory was 110.9MB in the beginning and 80.2MB in the end (delta: 30.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-08 18:31:16,750 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.11ms. Allocated memory is still 144.7MB. Free memory was 80.2MB in the beginning and 77.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:31:16,750 INFO L158 Benchmark]: Boogie Preprocessor took 50.16ms. Allocated memory is still 144.7MB. Free memory was 77.0MB in the beginning and 75.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:31:16,751 INFO L158 Benchmark]: RCFGBuilder took 618.70ms. Allocated memory is still 144.7MB. Free memory was 75.5MB in the beginning and 59.9MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 18:31:16,751 INFO L158 Benchmark]: TraceAbstraction took 2317.03ms. Allocated memory was 144.7MB in the beginning and 190.8MB in the end (delta: 46.1MB). Free memory was 59.2MB in the beginning and 75.4MB in the end (delta: -16.2MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2024-11-08 18:31:16,752 INFO L158 Benchmark]: Witness Printer took 147.51ms. Allocated memory is still 190.8MB. Free memory was 75.4MB in the beginning and 70.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 18:31:16,758 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 144.7MB. Free memory was 114.4MB in the beginning and 114.2MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 931.60ms. Allocated memory is still 144.7MB. Free memory was 110.9MB in the beginning and 80.2MB in the end (delta: 30.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.11ms. Allocated memory is still 144.7MB. Free memory was 80.2MB in the beginning and 77.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.16ms. Allocated memory is still 144.7MB. Free memory was 77.0MB in the beginning and 75.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 618.70ms. Allocated memory is still 144.7MB. Free memory was 75.5MB in the beginning and 59.9MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2317.03ms. Allocated memory was 144.7MB in the beginning and 190.8MB in the end (delta: 46.1MB). Free memory was 59.2MB in the beginning and 75.4MB in the end (delta: -16.2MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * Witness Printer took 147.51ms. Allocated memory is still 190.8MB. Free memory was 75.4MB in the beginning and 70.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 929]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 930]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 930]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: 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 3 procedures, 143 locations, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 124 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 153 IncrementalHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 39 mSDtfsCounter, 153 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=250occurred in iteration=1, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 518 NumberOfCodeBlocks, 518 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 512 ConstructedInterpolants, 0 QuantifiedInterpolants, 524 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-08 18:31:16,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c342669-2de3-47ec-98a7-8f8fd021283e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE