./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1cd82b96c01a730247618eab1464d47c03eec9013c1d245312913e94981f2bce --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 09:30:43,244 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 09:30:43,291 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 09:30:43,295 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 09:30:43,296 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 09:30:43,328 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 09:30:43,329 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 09:30:43,329 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 09:30:43,330 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 09:30:43,330 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 09:30:43,330 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 09:30:43,331 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 09:30:43,332 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 09:30:43,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 09:30:43,336 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 09:30:43,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 09:30:43,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 09:30:43,336 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 09:30:43,336 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 09:30:43,337 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 09:30:43,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 09:30:43,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 09:30:43,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 09:30:43,338 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 09:30:43,338 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 09:30:43,338 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 09:30:43,338 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 09:30:43,339 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 09:30:43,339 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 09:30:43,339 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 09:30:43,339 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 09:30:43,339 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 09:30:43,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:30:43,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 09:30:43,340 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 09:30:43,340 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 09:30:43,340 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 09:30:43,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 09:30:43,341 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 09:30:43,341 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 09:30:43,341 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 09:30:43,341 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 09:30:43,341 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cd82b96c01a730247618eab1464d47c03eec9013c1d245312913e94981f2bce [2024-11-20 09:30:43,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 09:30:43,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 09:30:43,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 09:30:43,612 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 09:30:43,613 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 09:30:43,614 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2024-11-20 09:30:45,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 09:30:45,393 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 09:30:45,394 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2024-11-20 09:30:45,418 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf7ac2beb/2a319bd7562141f5a3053d404bc56c53/FLAG9286dc1a1 [2024-11-20 09:30:45,687 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf7ac2beb/2a319bd7562141f5a3053d404bc56c53 [2024-11-20 09:30:45,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 09:30:45,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 09:30:45,696 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 09:30:45,696 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 09:30:45,702 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 09:30:45,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:30:45" (1/1) ... [2024-11-20 09:30:45,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@637805fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:45, skipping insertion in model container [2024-11-20 09:30:45,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:30:45" (1/1) ... [2024-11-20 09:30:45,758 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 09:30:46,018 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i[1103,1116] [2024-11-20 09:30:46,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:30:46,246 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 09:30:46,258 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i[1103,1116] [2024-11-20 09:30:46,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:30:46,401 INFO L204 MainTranslator]: Completed translation [2024-11-20 09:30:46,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:46 WrapperNode [2024-11-20 09:30:46,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 09:30:46,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 09:30:46,404 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 09:30:46,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 09:30:46,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:46" (1/1) ... [2024-11-20 09:30:46,441 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:46" (1/1) ... [2024-11-20 09:30:46,477 INFO L138 Inliner]: procedures = 354, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 158 [2024-11-20 09:30:46,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 09:30:46,479 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 09:30:46,479 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 09:30:46,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 09:30:46,490 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:46" (1/1) ... [2024-11-20 09:30:46,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:46" (1/1) ... [2024-11-20 09:30:46,494 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:46" (1/1) ... [2024-11-20 09:30:46,517 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5]. The 0 writes are split as follows [0, 0]. [2024-11-20 09:30:46,521 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:46" (1/1) ... [2024-11-20 09:30:46,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:46" (1/1) ... [2024-11-20 09:30:46,537 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:46" (1/1) ... [2024-11-20 09:30:46,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:46" (1/1) ... [2024-11-20 09:30:46,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:46" (1/1) ... [2024-11-20 09:30:46,551 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:46" (1/1) ... [2024-11-20 09:30:46,558 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 09:30:46,559 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 09:30:46,562 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 09:30:46,562 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 09:30:46,563 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:46" (1/1) ... [2024-11-20 09:30:46,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:30:46,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 09:30:46,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 09:30:46,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 09:30:46,649 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-11-20 09:30:46,649 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-11-20 09:30:46,649 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-11-20 09:30:46,649 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-11-20 09:30:46,650 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-20 09:30:46,650 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-20 09:30:46,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 09:30:46,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 09:30:46,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 09:30:46,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 09:30:46,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 09:30:46,653 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 09:30:46,937 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 09:30:46,939 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 09:30:47,174 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 09:30:47,175 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 09:30:47,855 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 09:30:47,855 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 09:30:47,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:30:47 BoogieIcfgContainer [2024-11-20 09:30:47,856 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 09:30:47,858 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 09:30:47,859 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 09:30:47,862 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 09:30:47,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:30:45" (1/3) ... [2024-11-20 09:30:47,863 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ae147b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:30:47, skipping insertion in model container [2024-11-20 09:30:47,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:46" (2/3) ... [2024-11-20 09:30:47,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ae147b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:30:47, skipping insertion in model container [2024-11-20 09:30:47,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:30:47" (3/3) ... [2024-11-20 09:30:47,866 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2024-11-20 09:30:47,883 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 09:30:47,884 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 09:30:47,884 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 09:30:47,935 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-20 09:30:47,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 34 places, 28 transitions, 70 flow [2024-11-20 09:30:48,027 INFO L124 PetriNetUnfolderBase]: 1/26 cut-off events. [2024-11-20 09:30:48,027 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-20 09:30:48,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 26 events. 1/26 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 29 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 23. Up to 2 conditions per place. [2024-11-20 09:30:48,030 INFO L82 GeneralOperation]: Start removeDead. Operand has 34 places, 28 transitions, 70 flow [2024-11-20 09:30:48,032 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 26 places, 19 transitions, 47 flow [2024-11-20 09:30:48,042 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 09:30:48,049 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;@15f44901, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 09:30:48,050 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-20 09:30:48,081 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 09:30:48,082 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-20 09:30:48,082 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 09:30:48,082 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 09:30:48,083 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 09:30:48,084 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-20 09:30:48,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:30:48,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1129188560, now seen corresponding path program 1 times [2024-11-20 09:30:48,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:30:48,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728875946] [2024-11-20 09:30:48,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:30:48,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:30:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:30:48,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 09:30:48,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:30:48,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728875946] [2024-11-20 09:30:48,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728875946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:30:48,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:30:48,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 09:30:48,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701921259] [2024-11-20 09:30:48,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:30:48,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 09:30:48,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:30:48,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 09:30:48,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 09:30:48,910 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 28 [2024-11-20 09:30:48,913 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 19 transitions, 47 flow. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-11-20 09:30:48,913 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 09:30:48,913 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 28 [2024-11-20 09:30:48,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 09:30:49,060 INFO L124 PetriNetUnfolderBase]: 88/191 cut-off events. [2024-11-20 09:30:49,060 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-20 09:30:49,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 400 conditions, 191 events. 88/191 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 717 event pairs, 40 based on Foata normal form. 17/206 useless extension candidates. Maximal degree in co-relation 369. Up to 86 conditions per place. [2024-11-20 09:30:49,067 INFO L140 encePairwiseOnDemand]: 23/28 looper letters, 18 selfloop transitions, 3 changer transitions 11/35 dead transitions. [2024-11-20 09:30:49,067 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 35 transitions, 149 flow [2024-11-20 09:30:49,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 09:30:49,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-20 09:30:49,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 59 transitions. [2024-11-20 09:30:49,079 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.42142857142857143 [2024-11-20 09:30:49,081 INFO L175 Difference]: Start difference. First operand has 26 places, 19 transitions, 47 flow. Second operand 5 states and 59 transitions. [2024-11-20 09:30:49,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 35 transitions, 149 flow [2024-11-20 09:30:49,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 35 transitions, 141 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-20 09:30:49,087 INFO L231 Difference]: Finished difference. Result has 30 places, 19 transitions, 57 flow [2024-11-20 09:30:49,090 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=57, PETRI_PLACES=30, PETRI_TRANSITIONS=19} [2024-11-20 09:30:49,094 INFO L277 CegarLoopForPetriNet]: 26 programPoint places, 4 predicate places. [2024-11-20 09:30:49,096 INFO L471 AbstractCegarLoop]: Abstraction has has 30 places, 19 transitions, 57 flow [2024-11-20 09:30:49,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-11-20 09:30:49,097 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 09:30:49,097 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 09:30:49,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 09:30:49,097 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-20 09:30:49,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:30:49,098 INFO L85 PathProgramCache]: Analyzing trace with hash -394457200, now seen corresponding path program 1 times [2024-11-20 09:30:49,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:30:49,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590939159] [2024-11-20 09:30:49,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:30:49,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:30:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:30:49,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 09:30:49,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:30:49,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590939159] [2024-11-20 09:30:49,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590939159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:30:49,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:30:49,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 09:30:49,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887405326] [2024-11-20 09:30:49,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:30:49,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 09:30:49,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:30:49,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 09:30:49,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 09:30:49,477 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 28 [2024-11-20 09:30:49,478 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 19 transitions, 57 flow. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2024-11-20 09:30:49,478 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 09:30:49,478 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 28 [2024-11-20 09:30:49,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 09:30:49,581 INFO L124 PetriNetUnfolderBase]: 30/82 cut-off events. [2024-11-20 09:30:49,582 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-20 09:30:49,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 82 events. 30/82 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 218 event pairs, 6 based on Foata normal form. 16/96 useless extension candidates. Maximal degree in co-relation 183. Up to 27 conditions per place. [2024-11-20 09:30:49,583 INFO L140 encePairwiseOnDemand]: 20/28 looper letters, 15 selfloop transitions, 5 changer transitions 8/31 dead transitions. [2024-11-20 09:30:49,583 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 31 transitions, 144 flow [2024-11-20 09:30:49,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 09:30:49,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-20 09:30:49,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 57 transitions. [2024-11-20 09:30:49,585 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.40714285714285714 [2024-11-20 09:30:49,585 INFO L175 Difference]: Start difference. First operand has 30 places, 19 transitions, 57 flow. Second operand 5 states and 57 transitions. [2024-11-20 09:30:49,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 31 transitions, 144 flow [2024-11-20 09:30:49,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 31 transitions, 134 flow, removed 2 selfloop flow, removed 4 redundant places. [2024-11-20 09:30:49,602 INFO L231 Difference]: Finished difference. Result has 28 places, 14 transitions, 45 flow [2024-11-20 09:30:49,602 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=47, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=45, PETRI_PLACES=28, PETRI_TRANSITIONS=14} [2024-11-20 09:30:49,603 INFO L277 CegarLoopForPetriNet]: 26 programPoint places, 2 predicate places. [2024-11-20 09:30:49,605 INFO L471 AbstractCegarLoop]: Abstraction has has 28 places, 14 transitions, 45 flow [2024-11-20 09:30:49,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2024-11-20 09:30:49,605 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 09:30:49,605 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 09:30:49,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 09:30:49,605 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-20 09:30:49,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:30:49,606 INFO L85 PathProgramCache]: Analyzing trace with hash -912932818, now seen corresponding path program 1 times [2024-11-20 09:30:49,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:30:49,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067645454] [2024-11-20 09:30:49,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:30:49,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:30:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 09:30:49,750 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 09:30:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 09:30:49,813 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 09:30:49,813 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 09:30:49,814 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-11-20 09:30:49,816 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-11-20 09:30:49,816 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-20 09:30:49,817 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2024-11-20 09:30:49,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 09:30:49,817 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-20 09:30:49,852 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 09:30:49,852 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 09:30:49,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:30:49 BasicIcfg [2024-11-20 09:30:49,858 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 09:30:49,859 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 09:30:49,859 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 09:30:49,859 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 09:30:49,859 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:30:47" (3/4) ... [2024-11-20 09:30:49,860 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-20 09:30:49,916 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 09:30:49,916 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 09:30:49,918 INFO L158 Benchmark]: Toolchain (without parser) took 4225.81ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 84.2MB in the beginning and 52.7MB in the end (delta: 31.5MB). Peak memory consumption was 86.9MB. Max. memory is 16.1GB. [2024-11-20 09:30:49,918 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory was 70.1MB in the beginning and 70.0MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 09:30:49,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 707.47ms. Allocated memory is still 155.2MB. Free memory was 84.0MB in the beginning and 97.8MB in the end (delta: -13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-20 09:30:49,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.97ms. Allocated memory is still 155.2MB. Free memory was 97.8MB in the beginning and 94.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 09:30:49,919 INFO L158 Benchmark]: Boogie Preprocessor took 79.24ms. Allocated memory is still 155.2MB. Free memory was 94.2MB in the beginning and 90.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 09:30:49,920 INFO L158 Benchmark]: RCFGBuilder took 1297.29ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 90.6MB in the beginning and 166.1MB in the end (delta: -75.5MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. [2024-11-20 09:30:49,920 INFO L158 Benchmark]: TraceAbstraction took 2000.00ms. Allocated memory is still 209.7MB. Free memory was 165.0MB in the beginning and 56.9MB in the end (delta: 108.1MB). Peak memory consumption was 108.1MB. Max. memory is 16.1GB. [2024-11-20 09:30:49,921 INFO L158 Benchmark]: Witness Printer took 58.35ms. Allocated memory is still 209.7MB. Free memory was 56.9MB in the beginning and 52.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 09:30:49,923 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory was 70.1MB in the beginning and 70.0MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 707.47ms. Allocated memory is still 155.2MB. Free memory was 84.0MB in the beginning and 97.8MB in the end (delta: -13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.97ms. Allocated memory is still 155.2MB. Free memory was 97.8MB in the beginning and 94.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.24ms. Allocated memory is still 155.2MB. Free memory was 94.2MB in the beginning and 90.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1297.29ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 90.6MB in the beginning and 166.1MB in the end (delta: -75.5MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2000.00ms. Allocated memory is still 209.7MB. Free memory was 165.0MB in the beginning and 56.9MB in the end (delta: 108.1MB). Peak memory consumption was 108.1MB. Max. memory is 16.1GB. * Witness Printer took 58.35ms. Allocated memory is still 209.7MB. Free memory was 56.9MB in the beginning and 52.7MB 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: - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1351] 0 int g; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1353] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; [L1373] 0 pthread_t t1; [L1374] 0 pthread_t t2; [L1375] FCALL, FORK 0 pthread_create(&t1,((void *)0),f1,((void *)0)) VAL [\old(argc)=1162, \old(argv)={1183:1186}, \old(ptr)={0:0}, argc=1162, g=0, mut={3:0}, t1=-2] [L1377] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [\old(argc)=1162, \old(argv)={1183:1186}, \old(ptr)={0:0}, argc=1162, g=0, mut={3:0}, t1=-2, t2=-1] [L1356] 1 g = 1 VAL [\old(ptr)={0:0}, g=1, mut={3:0}, ptr={0:0}] [L1365] CALL 2 __VERIFIER_assert(g == 0) [L19] COND TRUE 2 !(cond) VAL [\old(cond)=0, \old(ptr)={0:0}, cond=0, g=1, mut={3:0}, ptr={0:0}] [L19] 2 reach_error() VAL [\old(cond)=0, \old(ptr)={0:0}, cond=0, g=1, mut={3:0}, ptr={0:0}] - UnprovableResult [Line: 1375]: 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: 1377]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 49 locations, 4 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: 1.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 114 IncrementalHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 5 mSDtfsCounter, 114 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=1, InterpolantAutomatonStates: 10, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 63 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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! [2024-11-20 09:30:49,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE