./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-05-21_14-57-05.files/mutex-meet/parallel-ticket-6.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version bcb38a6f 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/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c ./goblint.2024-05-21_14-57-05.files/mutex-meet/parallel-ticket-6.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-bcb38a6-m [2024-06-03 21:00:53,296 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-03 21:00:53,349 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-03 21:00:53,352 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-03 21:00:53,352 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-03 21:00:53,372 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-03 21:00:53,373 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-03 21:00:53,373 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-03 21:00:53,373 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-03 21:00:53,374 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-03 21:00:53,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-03 21:00:53,374 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-03 21:00:53,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-03 21:00:53,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-03 21:00:53,381 INFO L153 SettingsManager]: * Use SBE=true [2024-06-03 21:00:53,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-03 21:00:53,382 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-03 21:00:53,382 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-03 21:00:53,382 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-03 21:00:53,382 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-03 21:00:53,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-03 21:00:53,383 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-03 21:00:53,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-03 21:00:53,383 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-03 21:00:53,384 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-03 21:00:53,384 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-03 21:00:53,384 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-03 21:00:53,384 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-03 21:00:53,385 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-03 21:00:53,385 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-03 21:00:53,385 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-03 21:00:53,385 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-03 21:00:53,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-03 21:00:53,386 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-03 21:00:53,386 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-03 21:00:53,386 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-03 21:00:53,387 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-03 21:00:53,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-03 21:00:53,387 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-03 21:00:53,387 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-03 21:00:53,387 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-03 21:00:53,400 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-03 21:00:53,400 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-03 21:00:53,401 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-03 21:00:53,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-03 21:00:53,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-03 21:00:53,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-03 21:00:53,588 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-03 21:00:53,589 INFO L274 PluginConnector]: CDTParser initialized [2024-06-03 21:00:53,590 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c [2024-06-03 21:00:54,720 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-03 21:00:54,885 INFO L384 CDTParser]: Found 1 translation units. [2024-06-03 21:00:54,885 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c [2024-06-03 21:00:54,891 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/610fee728/f8fd3cca29524ceb818d44308faffc5f/FLAGaa109cf65 [2024-06-03 21:00:54,902 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/610fee728/f8fd3cca29524ceb818d44308faffc5f [2024-06-03 21:00:54,904 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-03 21:00:54,906 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-03 21:00:54,906 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/mutex-meet/parallel-ticket-6.wvr.yml/witness.yml [2024-06-03 21:00:54,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-03 21:00:54,984 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-03 21:00:54,986 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-03 21:00:54,986 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-03 21:00:54,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-03 21:00:54,990 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.06 09:00:54" (1/2) ... [2024-06-03 21:00:54,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a84228a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 09:00:54, skipping insertion in model container [2024-06-03 21:00:54,992 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.06 09:00:54" (1/2) ... [2024-06-03 21:00:54,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@530050b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 09:00:54, skipping insertion in model container [2024-06-03 21:00:54,993 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 09:00:54" (2/2) ... [2024-06-03 21:00:54,994 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a84228a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:00:54, skipping insertion in model container [2024-06-03 21:00:54,994 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 09:00:54" (2/2) ... [2024-06-03 21:00:54,994 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-03 21:00:55,012 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-03 21:00:55,013 INFO L97 edCorrectnessWitness]: Location invariant before [L178-L178] ! multithreaded || ((((((((2147483648LL + (long long )b) + (long long )s >= 0LL && (2147483648LL + (long long )b) + (long long )x >= 0LL) && (4294967296LL + (long long )s) + (long long )x >= 0LL) && (2147483649LL - (long long )b) + (long long )s >= 0LL) && (2147483649LL - (long long )b) + (long long )x >= 0LL) && (2147483647LL + (long long )b) - (long long )x >= 0LL) && (4294967295LL + (long long )s) - (long long )x >= 0LL) && (2147483648LL - (long long )b) - (long long )x >= 0LL) [2024-06-03 21:00:55,013 INFO L97 edCorrectnessWitness]: Location invariant before [L182-L182] ! multithreaded || ((((((((2147483648LL + (long long )b) + (long long )s >= 0LL && (2147483648LL + (long long )b) + (long long )x >= 0LL) && (4294967296LL + (long long )s) + (long long )x >= 0LL) && (2147483649LL - (long long )b) + (long long )s >= 0LL) && (2147483649LL - (long long )b) + (long long )x >= 0LL) && (2147483647LL + (long long )b) - (long long )x >= 0LL) && (4294967295LL + (long long )s) - (long long )x >= 0LL) && (2147483648LL - (long long )b) - (long long )x >= 0LL) [2024-06-03 21:00:55,013 INFO L97 edCorrectnessWitness]: Location invariant before [L180-L180] ! multithreaded || ((((((((2147483648LL + (long long )b) + (long long )s >= 0LL && (2147483648LL + (long long )b) + (long long )x >= 0LL) && (4294967296LL + (long long )s) + (long long )x >= 0LL) && (2147483649LL - (long long )b) + (long long )s >= 0LL) && (2147483649LL - (long long )b) + (long long )x >= 0LL) && (2147483647LL + (long long )b) - (long long )x >= 0LL) && (4294967295LL + (long long )s) - (long long )x >= 0LL) && (2147483648LL - (long long )b) - (long long )x >= 0LL) [2024-06-03 21:00:55,013 INFO L97 edCorrectnessWitness]: Location invariant before [L181-L181] ! multithreaded || ((((((((2147483648LL + (long long )b) + (long long )s >= 0LL && (2147483648LL + (long long )b) + (long long )x >= 0LL) && (4294967296LL + (long long )s) + (long long )x >= 0LL) && (2147483649LL - (long long )b) + (long long )s >= 0LL) && (2147483649LL - (long long )b) + (long long )x >= 0LL) && (2147483647LL + (long long )b) - (long long )x >= 0LL) && (4294967295LL + (long long )s) - (long long )x >= 0LL) && (2147483648LL - (long long )b) - (long long )x >= 0LL) [2024-06-03 21:00:55,013 INFO L97 edCorrectnessWitness]: Location invariant before [L179-L179] ! multithreaded || ((((((((2147483648LL + (long long )b) + (long long )s >= 0LL && (2147483648LL + (long long )b) + (long long )x >= 0LL) && (4294967296LL + (long long )s) + (long long )x >= 0LL) && (2147483649LL - (long long )b) + (long long )s >= 0LL) && (2147483649LL - (long long )b) + (long long )x >= 0LL) && (2147483647LL + (long long )b) - (long long )x >= 0LL) && (4294967295LL + (long long )s) - (long long )x >= 0LL) && (2147483648LL - (long long )b) - (long long )x >= 0LL) [2024-06-03 21:00:55,014 INFO L97 edCorrectnessWitness]: Location invariant before [L177-L177] ! multithreaded || ((((((((2147483648LL + (long long )b) + (long long )s >= 0LL && (2147483648LL + (long long )b) + (long long )x >= 0LL) && (4294967296LL + (long long )s) + (long long )x >= 0LL) && (2147483649LL - (long long )b) + (long long )s >= 0LL) && (2147483649LL - (long long )b) + (long long )x >= 0LL) && (2147483647LL + (long long )b) - (long long )x >= 0LL) && (4294967295LL + (long long )s) - (long long )x >= 0LL) && (2147483648LL - (long long )b) - (long long )x >= 0LL) [2024-06-03 21:00:55,014 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-03 21:00:55,014 INFO L106 edCorrectnessWitness]: ghost_update [L176-L176] multithreaded = 1; [2024-06-03 21:00:55,034 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-03 21:00:55,165 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-03 21:00:55,172 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-03 21:00:55,274 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-03 21:00:55,292 INFO L206 MainTranslator]: Completed translation [2024-06-03 21:00:55,292 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:00:55 WrapperNode [2024-06-03 21:00:55,293 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-03 21:00:55,293 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-03 21:00:55,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-03 21:00:55,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-03 21:00:55,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:00:55" (1/1) ... [2024-06-03 21:00:55,307 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:00:55" (1/1) ... [2024-06-03 21:00:55,340 INFO L138 Inliner]: procedures = 24, calls = 71, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 263 [2024-06-03 21:00:55,341 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-03 21:00:55,341 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-03 21:00:55,342 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-03 21:00:55,342 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-03 21:00:55,357 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:00:55" (1/1) ... [2024-06-03 21:00:55,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:00:55" (1/1) ... [2024-06-03 21:00:55,361 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:00:55" (1/1) ... [2024-06-03 21:00:55,386 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-06-03 21:00:55,386 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:00:55" (1/1) ... [2024-06-03 21:00:55,386 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:00:55" (1/1) ... [2024-06-03 21:00:55,394 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:00:55" (1/1) ... [2024-06-03 21:00:55,401 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:00:55" (1/1) ... [2024-06-03 21:00:55,403 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:00:55" (1/1) ... [2024-06-03 21:00:55,404 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:00:55" (1/1) ... [2024-06-03 21:00:55,408 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-03 21:00:55,409 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-03 21:00:55,409 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-03 21:00:55,409 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-03 21:00:55,410 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:00:55" (1/1) ... [2024-06-03 21:00:55,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-03 21:00:55,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-03 21:00:55,439 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) [2024-06-03 21:00:55,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-03 21:00:55,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-06-03 21:00:55,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-06-03 21:00:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-06-03 21:00:55,470 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-06-03 21:00:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-06-03 21:00:55,470 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-06-03 21:00:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-06-03 21:00:55,470 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-06-03 21:00:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-03 21:00:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-06-03 21:00:55,471 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-06-03 21:00:55,472 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-06-03 21:00:55,456 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 [2024-06-03 21:00:55,472 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-06-03 21:00:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-03 21:00:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-03 21:00:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-03 21:00:55,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-03 21:00:55,477 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-03 21:00:55,607 INFO L244 CfgBuilder]: Building ICFG [2024-06-03 21:00:55,609 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-03 21:00:55,928 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-03 21:00:55,929 INFO L293 CfgBuilder]: Performing block encoding [2024-06-03 21:00:56,105 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-03 21:00:56,105 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-03 21:00:56,106 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.06 09:00:56 BoogieIcfgContainer [2024-06-03 21:00:56,106 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-03 21:00:56,107 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-03 21:00:56,107 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-03 21:00:56,110 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-03 21:00:56,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.06 09:00:54" (1/4) ... [2024-06-03 21:00:56,110 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fc9e4f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.06 09:00:56, skipping insertion in model container [2024-06-03 21:00:56,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 09:00:54" (2/4) ... [2024-06-03 21:00:56,111 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fc9e4f6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 03.06 09:00:56, skipping insertion in model container [2024-06-03 21:00:56,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 09:00:55" (3/4) ... [2024-06-03 21:00:56,111 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fc9e4f6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 03.06 09:00:56, skipping insertion in model container [2024-06-03 21:00:56,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.06 09:00:56" (4/4) ... [2024-06-03 21:00:56,112 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-6.wvr.c [2024-06-03 21:00:56,124 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-03 21:00:56,125 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-06-03 21:00:56,125 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-03 21:00:56,180 INFO L144 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2024-06-03 21:00:56,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 90 places, 71 transitions, 184 flow [2024-06-03 21:00:56,284 INFO L124 PetriNetUnfolderBase]: 0/65 cut-off events. [2024-06-03 21:00:56,285 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-06-03 21:00:56,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 65 events. 0/65 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 109 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-06-03 21:00:56,286 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 71 transitions, 184 flow [2024-06-03 21:00:56,289 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 76 places, 57 transitions, 132 flow [2024-06-03 21:00:56,295 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-03 21:00:56,300 INFO L357 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, mHoare=false, 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;@3fcade27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-03 21:00:56,301 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-06-03 21:00:56,303 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-03 21:00:56,303 INFO L124 PetriNetUnfolderBase]: 0/7 cut-off events. [2024-06-03 21:00:56,304 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-03 21:00:56,304 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 21:00:56,304 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-03 21:00:56,305 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 9 more)] === [2024-06-03 21:00:56,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 21:00:56,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1255745507, now seen corresponding path program 1 times [2024-06-03 21:00:56,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 21:00:56,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938734980] [2024-06-03 21:00:56,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 21:00:56,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 21:00:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 21:00:56,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 21:00:56,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 21:00:56,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938734980] [2024-06-03 21:00:56,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938734980] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 21:00:56,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 21:00:56,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-03 21:00:56,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006132489] [2024-06-03 21:00:56,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 21:00:56,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-03 21:00:56,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 21:00:56,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-03 21:00:56,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-03 21:00:56,690 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 71 [2024-06-03 21:00:56,693 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 57 transitions, 132 flow. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2024-06-03 21:00:56,694 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 21:00:56,694 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 71 [2024-06-03 21:00:56,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 21:01:15,945 INFO L124 PetriNetUnfolderBase]: 268752/345235 cut-off events. [2024-06-03 21:01:15,946 INFO L125 PetriNetUnfolderBase]: For 3261/3261 co-relation queries the response was YES. [2024-06-03 21:01:16,597 INFO L83 FinitePrefix]: Finished finitePrefix Result has 686648 conditions, 345235 events. 268752/345235 cut-off events. For 3261/3261 co-relation queries the response was YES. Maximal size of possible extension queue 8927. Compared 2249807 event pairs, 111720 based on Foata normal form. 9375/351724 useless extension candidates. Maximal degree in co-relation 686630. Up to 202342 conditions per place. [2024-06-03 21:01:18,069 INFO L140 encePairwiseOnDemand]: 63/71 looper letters, 85 selfloop transitions, 2 changer transitions 0/93 dead transitions. [2024-06-03 21:01:18,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 93 transitions, 393 flow [2024-06-03 21:01:18,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-03 21:01:18,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-03 21:01:18,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 132 transitions. [2024-06-03 21:01:18,079 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6197183098591549 [2024-06-03 21:01:18,080 INFO L175 Difference]: Start difference. First operand has 76 places, 57 transitions, 132 flow. Second operand 3 states and 132 transitions. [2024-06-03 21:01:18,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 93 transitions, 393 flow [2024-06-03 21:01:18,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 93 transitions, 382 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-06-03 21:01:18,998 INFO L231 Difference]: Finished difference. Result has 73 places, 57 transitions, 144 flow [2024-06-03 21:01:19,000 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=144, PETRI_PLACES=73, PETRI_TRANSITIONS=57} [2024-06-03 21:01:19,002 INFO L281 CegarLoopForPetriNet]: 76 programPoint places, -3 predicate places. [2024-06-03 21:01:19,002 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 57 transitions, 144 flow [2024-06-03 21:01:19,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2024-06-03 21:01:19,003 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 21:01:19,003 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 21:01:19,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-03 21:01:19,003 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 9 more)] === [2024-06-03 21:01:19,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 21:01:19,004 INFO L85 PathProgramCache]: Analyzing trace with hash -693718471, now seen corresponding path program 1 times [2024-06-03 21:01:19,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 21:01:19,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22750885] [2024-06-03 21:01:19,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 21:01:19,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 21:01:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 21:01:19,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 21:01:19,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 21:01:19,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22750885] [2024-06-03 21:01:19,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22750885] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 21:01:19,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 21:01:19,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-03 21:01:19,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573968615] [2024-06-03 21:01:19,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 21:01:19,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-06-03 21:01:19,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 21:01:19,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-06-03 21:01:19,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-06-03 21:01:19,131 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 71 [2024-06-03 21:01:19,132 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 57 transitions, 144 flow. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-06-03 21:01:19,132 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 21:01:19,132 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 71 [2024-06-03 21:01:19,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand