./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.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_9cde11a3-ea50-4131-a071-f8aff82b205c/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cde11a3-ea50-4131-a071-f8aff82b205c/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_9cde11a3-ea50-4131-a071-f8aff82b205c/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cde11a3-ea50-4131-a071-f8aff82b205c/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cde11a3-ea50-4131-a071-f8aff82b205c/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_9cde11a3-ea50-4131-a071-f8aff82b205c/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 9df11a052e2c7230e1edfb210274e89333c68b57c4137552a35d25fe623d9561 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:10:24,150 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:10:24,269 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cde11a3-ea50-4131-a071-f8aff82b205c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-08 18:10:24,279 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:10:24,281 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:10:24,332 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:10:24,332 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:10:24,333 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:10:24,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:10:24,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:10:24,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:10:24,337 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:10:24,337 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:10:24,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:10:24,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:10:24,342 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:10:24,342 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:10:24,343 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:10:24,343 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:10:24,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:10:24,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:10:24,348 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:10:24,348 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 18:10:24,349 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:10:24,349 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:10:24,349 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:10:24,350 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:10:24,370 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:10:24,370 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:10:24,371 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:10:24,371 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:10:24,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:10:24,372 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:10:24,373 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:10:24,374 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:10:24,375 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:10:24,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:10:24,375 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:10:24,376 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:10:24,376 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:10:24,376 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:10:24,377 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_9cde11a3-ea50-4131-a071-f8aff82b205c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cde11a3-ea50-4131-a071-f8aff82b205c/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9df11a052e2c7230e1edfb210274e89333c68b57c4137552a35d25fe623d9561 [2024-11-08 18:10:24,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:10:24,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:10:24,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:10:24,826 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:10:24,827 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:10:24,829 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cde11a3-ea50-4131-a071-f8aff82b205c/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i Unable to find full path for "g++" [2024-11-08 18:10:27,280 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:10:27,614 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:10:27,615 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cde11a3-ea50-4131-a071-f8aff82b205c/sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i [2024-11-08 18:10:27,639 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cde11a3-ea50-4131-a071-f8aff82b205c/bin/uautomizer-verify-jihMAELWvX/data/802f824db/4a36a9c6bdf24385b7e4fbdf4c710d8e/FLAG00e2d64c1 [2024-11-08 18:10:27,663 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cde11a3-ea50-4131-a071-f8aff82b205c/bin/uautomizer-verify-jihMAELWvX/data/802f824db/4a36a9c6bdf24385b7e4fbdf4c710d8e [2024-11-08 18:10:27,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:10:27,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:10:27,670 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:10:27,670 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:10:27,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:10:27,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:10:27" (1/1) ... [2024-11-08 18:10:27,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71ad9076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:10:27, skipping insertion in model container [2024-11-08 18:10:27,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:10:27" (1/1) ... [2024-11-08 18:10:27,756 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:10:28,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:10:28,408 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:10:28,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:10:28,555 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:10:28,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:10:28 WrapperNode [2024-11-08 18:10:28,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:10:28,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:10:28,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:10:28,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:10:28,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:10:28" (1/1) ... [2024-11-08 18:10:28,594 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:10:28" (1/1) ... [2024-11-08 18:10:28,632 INFO L138 Inliner]: procedures = 160, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2024-11-08 18:10:28,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:10:28,635 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:10:28,636 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:10:28,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:10:28,649 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:10:28" (1/1) ... [2024-11-08 18:10:28,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:10:28" (1/1) ... [2024-11-08 18:10:28,658 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:10:28" (1/1) ... [2024-11-08 18:10:28,658 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:10:28" (1/1) ... [2024-11-08 18:10:28,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:10:28" (1/1) ... [2024-11-08 18:10:28,679 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:10:28" (1/1) ... [2024-11-08 18:10:28,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:10:28" (1/1) ... [2024-11-08 18:10:28,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:10:28" (1/1) ... [2024-11-08 18:10:28,693 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:10:28,694 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:10:28,696 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:10:28,698 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:10:28,700 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:10:28" (1/1) ... [2024-11-08 18:10:28,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:10:28,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cde11a3-ea50-4131-a071-f8aff82b205c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:10:28,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cde11a3-ea50-4131-a071-f8aff82b205c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:10:28,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cde11a3-ea50-4131-a071-f8aff82b205c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:10:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 18:10:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 18:10:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:10:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-08 18:10:28,795 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-08 18:10:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 18:10:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:10:28,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:10:28,799 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 18:10:29,032 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:10:29,035 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:10:29,355 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 18:10:29,355 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:10:29,382 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:10:29,383 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:10:29,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:10:29 BoogieIcfgContainer [2024-11-08 18:10:29,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:10:29,388 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:10:29,390 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:10:29,395 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:10:29,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:10:27" (1/3) ... [2024-11-08 18:10:29,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@970f786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:10:29, skipping insertion in model container [2024-11-08 18:10:29,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:10:28" (2/3) ... [2024-11-08 18:10:29,398 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@970f786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:10:29, skipping insertion in model container [2024-11-08 18:10:29,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:10:29" (3/3) ... [2024-11-08 18:10:29,403 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_08-glob_fld_2_rc.i [2024-11-08 18:10:29,432 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:10:29,433 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-08 18:10:29,433 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 18:10:29,582 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 18:10:29,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 98 places, 91 transitions, 190 flow [2024-11-08 18:10:29,720 INFO L124 PetriNetUnfolderBase]: 0/89 cut-off events. [2024-11-08 18:10:29,724 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:10:29,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 89 events. 0/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 135 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-08 18:10:29,731 INFO L82 GeneralOperation]: Start removeDead. Operand has 98 places, 91 transitions, 190 flow [2024-11-08 18:10:29,738 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 96 places, 89 transitions, 184 flow [2024-11-08 18:10:29,751 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:10:29,760 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;@4dcc9af9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:10:29,760 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-08 18:10:29,782 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 18:10:29,783 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2024-11-08 18:10:29,783 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:10:29,783 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:10:29,788 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:10:29,789 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-11-08 18:10:29,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:10:29,799 INFO L85 PathProgramCache]: Analyzing trace with hash 161770557, now seen corresponding path program 1 times [2024-11-08 18:10:29,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:10:29,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429293900] [2024-11-08 18:10:29,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:10:29,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:10:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:10:31,039 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 18:10:31,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:10:31,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429293900] [2024-11-08 18:10:31,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429293900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:10:31,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:10:31,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:10:31,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118987711] [2024-11-08 18:10:31,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:10:31,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:10:31,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:10:31,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:10:31,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:10:31,670 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 91 [2024-11-08 18:10:31,678 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 89 transitions, 184 flow. Second operand has 6 states, 6 states have (on average 67.16666666666667) internal successors, (403), 6 states have internal predecessors, (403), 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 18:10:31,680 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:10:31,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 91 [2024-11-08 18:10:31,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:10:32,281 INFO L124 PetriNetUnfolderBase]: 208/742 cut-off events. [2024-11-08 18:10:32,283 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-08 18:10:32,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1231 conditions, 742 events. 208/742 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 4683 event pairs, 46 based on Foata normal form. 0/712 useless extension candidates. Maximal degree in co-relation 1209. Up to 194 conditions per place. [2024-11-08 18:10:32,309 INFO L140 encePairwiseOnDemand]: 69/91 looper letters, 73 selfloop transitions, 42 changer transitions 0/179 dead transitions. [2024-11-08 18:10:32,310 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 179 transitions, 606 flow [2024-11-08 18:10:32,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:10:32,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 18:10:32,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 513 transitions. [2024-11-08 18:10:32,332 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9395604395604396 [2024-11-08 18:10:32,337 INFO L175 Difference]: Start difference. First operand has 96 places, 89 transitions, 184 flow. Second operand 6 states and 513 transitions. [2024-11-08 18:10:32,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 179 transitions, 606 flow [2024-11-08 18:10:32,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 179 transitions, 600 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:10:32,356 INFO L231 Difference]: Finished difference. Result has 104 places, 135 transitions, 498 flow [2024-11-08 18:10:32,360 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=498, PETRI_PLACES=104, PETRI_TRANSITIONS=135} [2024-11-08 18:10:32,367 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, 8 predicate places. [2024-11-08 18:10:32,370 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 135 transitions, 498 flow [2024-11-08 18:10:32,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 67.16666666666667) internal successors, (403), 6 states have internal predecessors, (403), 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 18:10:32,371 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:10:32,371 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] [2024-11-08 18:10:32,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:10:32,372 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-11-08 18:10:32,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:10:32,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1314003259, now seen corresponding path program 1 times [2024-11-08 18:10:32,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:10:32,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396776123] [2024-11-08 18:10:32,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:10:32,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:10:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:10:32,814 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 18:10:32,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:10:32,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396776123] [2024-11-08 18:10:32,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396776123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:10:32,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:10:32,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:10:32,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354520254] [2024-11-08 18:10:32,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:10:32,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:10:32,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:10:32,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:10:32,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:10:33,297 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 91 [2024-11-08 18:10:33,298 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 135 transitions, 498 flow. Second operand has 6 states, 6 states have (on average 78.33333333333333) internal successors, (470), 6 states have internal predecessors, (470), 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 18:10:33,298 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:10:33,299 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 91 [2024-11-08 18:10:33,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:10:33,485 INFO L124 PetriNetUnfolderBase]: 111/566 cut-off events. [2024-11-08 18:10:33,486 INFO L125 PetriNetUnfolderBase]: For 97/117 co-relation queries the response was YES. [2024-11-08 18:10:33,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1071 conditions, 566 events. 111/566 cut-off events. For 97/117 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3677 event pairs, 30 based on Foata normal form. 3/557 useless extension candidates. Maximal degree in co-relation 1046. Up to 117 conditions per place. [2024-11-08 18:10:33,500 INFO L140 encePairwiseOnDemand]: 85/91 looper letters, 8 selfloop transitions, 5 changer transitions 0/134 dead transitions. [2024-11-08 18:10:33,501 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 134 transitions, 522 flow [2024-11-08 18:10:33,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:10:33,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 18:10:33,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 476 transitions. [2024-11-08 18:10:33,509 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8717948717948718 [2024-11-08 18:10:33,509 INFO L175 Difference]: Start difference. First operand has 104 places, 135 transitions, 498 flow. Second operand 6 states and 476 transitions. [2024-11-08 18:10:33,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 134 transitions, 522 flow [2024-11-08 18:10:33,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 134 transitions, 522 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 18:10:33,524 INFO L231 Difference]: Finished difference. Result has 108 places, 134 transitions, 506 flow [2024-11-08 18:10:33,526 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=506, PETRI_PLACES=108, PETRI_TRANSITIONS=134} [2024-11-08 18:10:33,528 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, 12 predicate places. [2024-11-08 18:10:33,528 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 134 transitions, 506 flow [2024-11-08 18:10:33,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 78.33333333333333) internal successors, (470), 6 states have internal predecessors, (470), 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 18:10:33,529 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:10:33,530 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] [2024-11-08 18:10:33,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:10:33,530 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-11-08 18:10:33,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:10:33,533 INFO L85 PathProgramCache]: Analyzing trace with hash -209020606, now seen corresponding path program 1 times [2024-11-08 18:10:33,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:10:33,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200129284] [2024-11-08 18:10:33,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:10:33,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:10:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:10:33,978 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 18:10:33,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:10:33,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200129284] [2024-11-08 18:10:33,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200129284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:10:33,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:10:33,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:10:33,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88343534] [2024-11-08 18:10:33,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:10:33,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:10:33,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:10:33,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:10:33,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:10:34,342 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 91 [2024-11-08 18:10:34,343 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 134 transitions, 506 flow. Second operand has 6 states, 6 states have (on average 67.16666666666667) internal successors, (403), 6 states have internal predecessors, (403), 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 18:10:34,344 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:10:34,344 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 91 [2024-11-08 18:10:34,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:10:34,841 INFO L124 PetriNetUnfolderBase]: 354/1090 cut-off events. [2024-11-08 18:10:34,841 INFO L125 PetriNetUnfolderBase]: For 531/564 co-relation queries the response was YES. [2024-11-08 18:10:34,853 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2829 conditions, 1090 events. 354/1090 cut-off events. For 531/564 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 7259 event pairs, 71 based on Foata normal form. 21/1097 useless extension candidates. Maximal degree in co-relation 2803. Up to 491 conditions per place. [2024-11-08 18:10:34,869 INFO L140 encePairwiseOnDemand]: 74/91 looper letters, 98 selfloop transitions, 53 changer transitions 0/213 dead transitions. [2024-11-08 18:10:34,870 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 213 transitions, 1160 flow [2024-11-08 18:10:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:10:34,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 18:10:34,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 481 transitions. [2024-11-08 18:10:34,872 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8809523809523809 [2024-11-08 18:10:34,873 INFO L175 Difference]: Start difference. First operand has 108 places, 134 transitions, 506 flow. Second operand 6 states and 481 transitions. [2024-11-08 18:10:34,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 213 transitions, 1160 flow [2024-11-08 18:10:34,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 213 transitions, 1150 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 18:10:34,889 INFO L231 Difference]: Finished difference. Result has 113 places, 187 transitions, 1012 flow [2024-11-08 18:10:34,892 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1012, PETRI_PLACES=113, PETRI_TRANSITIONS=187} [2024-11-08 18:10:34,893 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, 17 predicate places. [2024-11-08 18:10:34,893 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 187 transitions, 1012 flow [2024-11-08 18:10:34,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 67.16666666666667) internal successors, (403), 6 states have internal predecessors, (403), 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 18:10:34,894 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:10:34,894 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] [2024-11-08 18:10:34,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:10:34,895 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-11-08 18:10:34,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:10:34,897 INFO L85 PathProgramCache]: Analyzing trace with hash 26010384, now seen corresponding path program 1 times [2024-11-08 18:10:34,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:10:34,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121097045] [2024-11-08 18:10:34,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:10:34,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:10:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:10:35,330 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 18:10:35,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:10:35,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121097045] [2024-11-08 18:10:35,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121097045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:10:35,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:10:35,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:10:35,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758566084] [2024-11-08 18:10:35,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:10:35,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:10:35,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:10:35,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:10:35,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:10:35,688 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 91 [2024-11-08 18:10:35,689 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 187 transitions, 1012 flow. Second operand has 6 states, 6 states have (on average 67.33333333333333) internal successors, (404), 6 states have internal predecessors, (404), 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 18:10:35,690 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:10:35,690 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 91 [2024-11-08 18:10:35,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:10:36,241 INFO L124 PetriNetUnfolderBase]: 478/1384 cut-off events. [2024-11-08 18:10:36,242 INFO L125 PetriNetUnfolderBase]: For 2066/2110 co-relation queries the response was YES. [2024-11-08 18:10:36,258 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4584 conditions, 1384 events. 478/1384 cut-off events. For 2066/2110 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 9570 event pairs, 83 based on Foata normal form. 23/1384 useless extension candidates. Maximal degree in co-relation 4554. Up to 661 conditions per place. [2024-11-08 18:10:36,278 INFO L140 encePairwiseOnDemand]: 74/91 looper letters, 139 selfloop transitions, 68 changer transitions 0/273 dead transitions. [2024-11-08 18:10:36,279 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 273 transitions, 1946 flow [2024-11-08 18:10:36,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:10:36,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 18:10:36,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 477 transitions. [2024-11-08 18:10:36,281 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8736263736263736 [2024-11-08 18:10:36,282 INFO L175 Difference]: Start difference. First operand has 113 places, 187 transitions, 1012 flow. Second operand 6 states and 477 transitions. [2024-11-08 18:10:36,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 273 transitions, 1946 flow [2024-11-08 18:10:36,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 273 transitions, 1938 flow, removed 4 selfloop flow, removed 0 redundant places. [2024-11-08 18:10:36,302 INFO L231 Difference]: Finished difference. Result has 123 places, 248 transitions, 1724 flow [2024-11-08 18:10:36,303 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=1004, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1724, PETRI_PLACES=123, PETRI_TRANSITIONS=248} [2024-11-08 18:10:36,305 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, 27 predicate places. [2024-11-08 18:10:36,305 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 248 transitions, 1724 flow [2024-11-08 18:10:36,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 67.33333333333333) internal successors, (404), 6 states have internal predecessors, (404), 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 18:10:36,306 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:10:36,306 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] [2024-11-08 18:10:36,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 18:10:36,307 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-11-08 18:10:36,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:10:36,310 INFO L85 PathProgramCache]: Analyzing trace with hash 29406136, now seen corresponding path program 1 times [2024-11-08 18:10:36,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:10:36,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646648846] [2024-11-08 18:10:36,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:10:36,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:10:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:10:36,699 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 18:10:36,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:10:36,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646648846] [2024-11-08 18:10:36,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646648846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:10:36,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:10:36,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:10:36,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340712305] [2024-11-08 18:10:36,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:10:36,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:10:36,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:10:36,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:10:36,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:10:37,245 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 91 [2024-11-08 18:10:37,246 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 248 transitions, 1724 flow. Second operand has 6 states, 6 states have (on average 75.5) internal successors, (453), 6 states have internal predecessors, (453), 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 18:10:37,247 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:10:37,247 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 91 [2024-11-08 18:10:37,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:10:37,615 INFO L124 PetriNetUnfolderBase]: 343/1172 cut-off events. [2024-11-08 18:10:37,615 INFO L125 PetriNetUnfolderBase]: For 2448/2500 co-relation queries the response was YES. [2024-11-08 18:10:37,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3856 conditions, 1172 events. 343/1172 cut-off events. For 2448/2500 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 8421 event pairs, 29 based on Foata normal form. 15/1174 useless extension candidates. Maximal degree in co-relation 3820. Up to 284 conditions per place. [2024-11-08 18:10:37,641 INFO L140 encePairwiseOnDemand]: 85/91 looper letters, 12 selfloop transitions, 5 changer transitions 36/247 dead transitions. [2024-11-08 18:10:37,642 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 247 transitions, 1756 flow [2024-11-08 18:10:37,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:10:37,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 18:10:37,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 456 transitions. [2024-11-08 18:10:37,644 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8351648351648352 [2024-11-08 18:10:37,644 INFO L175 Difference]: Start difference. First operand has 123 places, 248 transitions, 1724 flow. Second operand 6 states and 456 transitions. [2024-11-08 18:10:37,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 247 transitions, 1756 flow [2024-11-08 18:10:37,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 247 transitions, 1740 flow, removed 8 selfloop flow, removed 0 redundant places. [2024-11-08 18:10:37,675 INFO L231 Difference]: Finished difference. Result has 127 places, 211 transitions, 1420 flow [2024-11-08 18:10:37,676 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=1706, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1420, PETRI_PLACES=127, PETRI_TRANSITIONS=211} [2024-11-08 18:10:37,677 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, 31 predicate places. [2024-11-08 18:10:37,677 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 211 transitions, 1420 flow [2024-11-08 18:10:37,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 75.5) internal successors, (453), 6 states have internal predecessors, (453), 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 18:10:37,678 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:10:37,678 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:10:37,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 18:10:37,678 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-11-08 18:10:37,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:10:37,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1441956085, now seen corresponding path program 1 times [2024-11-08 18:10:37,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:10:37,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173290016] [2024-11-08 18:10:37,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:10:37,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:10:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:10:37,712 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:10:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:10:37,755 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:10:37,755 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:10:37,757 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2024-11-08 18:10:37,759 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2024-11-08 18:10:37,760 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-11-08 18:10:37,761 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 10 remaining) [2024-11-08 18:10:37,761 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2024-11-08 18:10:37,761 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2024-11-08 18:10:37,762 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-11-08 18:10:37,762 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-11-08 18:10:37,762 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-11-08 18:10:37,763 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-11-08 18:10:37,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 18:10:37,763 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-08 18:10:37,818 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 18:10:37,819 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:10:37,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:10:37 BasicIcfg [2024-11-08 18:10:37,831 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:10:37,832 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:10:37,832 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:10:37,832 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:10:37,833 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:10:29" (3/4) ... [2024-11-08 18:10:37,835 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 18:10:37,932 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cde11a3-ea50-4131-a071-f8aff82b205c/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 18:10:37,932 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:10:37,933 INFO L158 Benchmark]: Toolchain (without parser) took 10264.91ms. Allocated memory was 165.7MB in the beginning and 220.2MB in the end (delta: 54.5MB). Free memory was 125.2MB in the beginning and 117.6MB in the end (delta: 7.5MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2024-11-08 18:10:37,934 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 165.7MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:10:37,934 INFO L158 Benchmark]: CACSL2BoogieTranslator took 886.59ms. Allocated memory is still 165.7MB. Free memory was 125.2MB in the beginning and 103.8MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 18:10:37,935 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.11ms. Allocated memory is still 165.7MB. Free memory was 103.8MB in the beginning and 102.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:10:37,936 INFO L158 Benchmark]: Boogie Preprocessor took 58.08ms. Allocated memory is still 165.7MB. Free memory was 102.1MB in the beginning and 100.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:10:37,936 INFO L158 Benchmark]: RCFGBuilder took 689.73ms. Allocated memory is still 165.7MB. Free memory was 100.1MB in the beginning and 85.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 18:10:37,937 INFO L158 Benchmark]: TraceAbstraction took 8442.77ms. Allocated memory was 165.7MB in the beginning and 220.2MB in the end (delta: 54.5MB). Free memory was 85.4MB in the beginning and 121.8MB in the end (delta: -36.4MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-11-08 18:10:37,942 INFO L158 Benchmark]: Witness Printer took 100.49ms. Allocated memory is still 220.2MB. Free memory was 121.8MB in the beginning and 117.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:10:37,949 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 165.7MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 886.59ms. Allocated memory is still 165.7MB. Free memory was 125.2MB in the beginning and 103.8MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.11ms. Allocated memory is still 165.7MB. Free memory was 103.8MB in the beginning and 102.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.08ms. Allocated memory is still 165.7MB. Free memory was 102.1MB in the beginning and 100.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 689.73ms. Allocated memory is still 165.7MB. Free memory was 100.1MB in the beginning and 85.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8442.77ms. Allocated memory was 165.7MB in the beginning and 220.2MB in the end (delta: 54.5MB). Free memory was 85.4MB in the beginning and 121.8MB in the end (delta: -36.4MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Witness Printer took 100.49ms. Allocated memory is still 220.2MB. Free memory was 121.8MB in the beginning and 117.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 684]: Data race detected Data race detected The following path leads to a data race: [L679-L682] 0 struct { int x; int y; } data; VAL [data={1:0}] [L688] 0 pthread_t id, id2; VAL [data={1:0}] [L689] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, data={1:0}, id=-1] [L684] EXPR 1 data.x VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] [L684] 1 data.x++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] [L690] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, id2=0, id=-1] [L684] EXPR 2 data.x VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] [L684] 2 data.x++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] Now there is a data race (on the heap) between C: data.x++ [684] and C: data.x++ [684] - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 684]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 117 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: 8.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 664 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 358 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 359 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1489 IncrementalHoareTripleChecker+Invalid, 1848 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 359 mSolverCounterUnsat, 9 mSDtfsCounter, 1489 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1724occurred in iteration=4, InterpolantAutomatonStates: 30, 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, 0.1s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 187 NumberOfCodeBlocks, 187 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 565 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-08 18:10:37,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cde11a3-ea50-4131-a071-f8aff82b205c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE