./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-ticket-8.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-8.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 76401ed0 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-8.wvr.c ./goblint.2024-05-21_14-57-05.files/mutex-meet/parallel-ticket-8.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-76401ed-m [2024-06-20 18:13:17,250 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-20 18:13:17,323 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-20 18:13:17,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-20 18:13:17,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-20 18:13:17,357 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-20 18:13:17,358 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-20 18:13:17,359 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-20 18:13:17,359 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-20 18:13:17,363 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-20 18:13:17,364 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-20 18:13:17,364 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-20 18:13:17,364 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-20 18:13:17,366 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-20 18:13:17,366 INFO L153 SettingsManager]: * Use SBE=true [2024-06-20 18:13:17,367 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-20 18:13:17,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-20 18:13:17,367 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-20 18:13:17,367 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-20 18:13:17,368 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-20 18:13:17,368 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-20 18:13:17,368 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-20 18:13:17,369 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-20 18:13:17,369 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-20 18:13:17,369 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-20 18:13:17,370 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-20 18:13:17,370 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-20 18:13:17,370 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-20 18:13:17,371 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-20 18:13:17,371 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-20 18:13:17,372 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-20 18:13:17,372 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-20 18:13:17,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-20 18:13:17,373 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-20 18:13:17,373 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-20 18:13:17,373 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-20 18:13:17,373 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-20 18:13:17,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-20 18:13:17,374 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-20 18:13:17,374 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-20 18:13:17,374 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-20 18:13:17,374 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-20 18:13:17,375 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-20 18:13:17,375 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-20 18:13:17,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-20 18:13:17,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-20 18:13:17,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-20 18:13:17,619 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-20 18:13:17,620 INFO L274 PluginConnector]: CDTParser initialized [2024-06-20 18:13:17,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2024-06-20 18:13:18,757 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-20 18:13:18,998 INFO L384 CDTParser]: Found 1 translation units. [2024-06-20 18:13:19,000 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2024-06-20 18:13:19,012 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf2c2d222/4eec6ee9874443f69b91edee796ef10a/FLAG21db03ce7 [2024-06-20 18:13:19,031 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf2c2d222/4eec6ee9874443f69b91edee796ef10a [2024-06-20 18:13:19,034 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-20 18:13:19,035 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-20 18:13:19,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/mutex-meet/parallel-ticket-8.wvr.yml/witness.yml [2024-06-20 18:13:19,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-20 18:13:19,208 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-20 18:13:19,209 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-20 18:13:19,210 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-20 18:13:19,214 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-20 18:13:19,215 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.06 06:13:19" (1/2) ... [2024-06-20 18:13:19,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77f06350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:13:19, skipping insertion in model container [2024-06-20 18:13:19,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.06 06:13:19" (1/2) ... [2024-06-20 18:13:19,217 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@76056b96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:13:19, skipping insertion in model container [2024-06-20 18:13:19,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 06:13:19" (2/2) ... [2024-06-20 18:13:19,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77f06350 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:19, skipping insertion in model container [2024-06-20 18:13:19,218 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 06:13:19" (2/2) ... [2024-06-20 18:13:19,219 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-20 18:13:19,243 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-20 18:13:19,244 INFO L97 edCorrectnessWitness]: Location invariant before [L223-L223] ! 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) [2024-06-20 18:13:19,244 INFO L97 edCorrectnessWitness]: Location invariant before [L222-L222] ! 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) [2024-06-20 18:13:19,244 INFO L97 edCorrectnessWitness]: Location invariant before [L219-L219] ! 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) [2024-06-20 18:13:19,245 INFO L97 edCorrectnessWitness]: Location invariant before [L218-L218] ! 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) [2024-06-20 18:13:19,245 INFO L97 edCorrectnessWitness]: Location invariant before [L220-L220] ! 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) [2024-06-20 18:13:19,245 INFO L97 edCorrectnessWitness]: Location invariant before [L217-L217] ! 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) [2024-06-20 18:13:19,245 INFO L97 edCorrectnessWitness]: Location invariant before [L221-L221] ! 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) [2024-06-20 18:13:19,245 INFO L97 edCorrectnessWitness]: Location invariant before [L224-L224] ! 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) [2024-06-20 18:13:19,245 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-20 18:13:19,246 INFO L106 edCorrectnessWitness]: ghost_update [L216-L216] multithreaded = 1; [2024-06-20 18:13:19,273 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-20 18:13:19,464 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-20 18:13:19,482 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 Start Parsing Local Start Parsing Local [2024-06-20 18:13:19,621 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-20 18:13:19,637 INFO L206 MainTranslator]: Completed translation [2024-06-20 18:13:19,637 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:19 WrapperNode [2024-06-20 18:13:19,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-20 18:13:19,638 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-20 18:13:19,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-20 18:13:19,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-20 18:13:19,651 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 20.06 06:13:19" (1/1) ... [2024-06-20 18:13:19,662 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 20.06 06:13:19" (1/1) ... [2024-06-20 18:13:19,724 INFO L138 Inliner]: procedures = 26, calls = 91, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 343 [2024-06-20 18:13:19,730 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-20 18:13:19,730 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-20 18:13:19,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-20 18:13:19,730 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-20 18:13:19,741 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:19" (1/1) ... [2024-06-20 18:13:19,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:19" (1/1) ... [2024-06-20 18:13:19,746 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:19" (1/1) ... [2024-06-20 18:13:19,766 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]. [2024-06-20 18:13:19,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:19" (1/1) ... [2024-06-20 18:13:19,767 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:19" (1/1) ... [2024-06-20 18:13:19,776 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:19" (1/1) ... [2024-06-20 18:13:19,779 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:19" (1/1) ... [2024-06-20 18:13:19,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:19" (1/1) ... [2024-06-20 18:13:19,783 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:19" (1/1) ... [2024-06-20 18:13:19,787 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-20 18:13:19,788 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-20 18:13:19,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-20 18:13:19,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-20 18:13:19,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:19" (1/1) ... [2024-06-20 18:13:19,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-20 18:13:19,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-20 18:13:19,838 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) [2024-06-20 18:13:19,846 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 [2024-06-20 18:13:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-20 18:13:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-06-20 18:13:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-06-20 18:13:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-06-20 18:13:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-06-20 18:13:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-06-20 18:13:19,879 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-06-20 18:13:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-06-20 18:13:19,879 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-06-20 18:13:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-20 18:13:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-06-20 18:13:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-06-20 18:13:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-06-20 18:13:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-06-20 18:13:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2024-06-20 18:13:19,883 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2024-06-20 18:13:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2024-06-20 18:13:19,883 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2024-06-20 18:13:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-20 18:13:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-20 18:13:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-20 18:13:19,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-20 18:13:19,885 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-20 18:13:20,045 INFO L244 CfgBuilder]: Building ICFG [2024-06-20 18:13:20,049 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-20 18:13:20,511 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-20 18:13:20,511 INFO L293 CfgBuilder]: Performing block encoding [2024-06-20 18:13:20,802 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-20 18:13:20,802 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-20 18:13:20,803 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.06 06:13:20 BoogieIcfgContainer [2024-06-20 18:13:20,803 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-20 18:13:20,806 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-20 18:13:20,806 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-20 18:13:20,809 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-20 18:13:20,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.06 06:13:19" (1/4) ... [2024-06-20 18:13:20,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2cc7ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.06 06:13:20, skipping insertion in model container [2024-06-20 18:13:20,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 06:13:19" (2/4) ... [2024-06-20 18:13:20,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2cc7ce and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 20.06 06:13:20, skipping insertion in model container [2024-06-20 18:13:20,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:19" (3/4) ... [2024-06-20 18:13:20,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2cc7ce and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 20.06 06:13:20, skipping insertion in model container [2024-06-20 18:13:20,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.06 06:13:20" (4/4) ... [2024-06-20 18:13:20,814 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-8.wvr.c [2024-06-20 18:13:20,833 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-20 18:13:20,833 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-06-20 18:13:20,833 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-20 18:13:20,922 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-06-20 18:13:20,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 125 places, 100 transitions, 256 flow [2024-06-20 18:13:21,021 INFO L124 PetriNetUnfolderBase]: 0/92 cut-off events. [2024-06-20 18:13:21,022 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-06-20 18:13:21,024 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 92 events. 0/92 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 178 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-06-20 18:13:21,024 INFO L82 GeneralOperation]: Start removeDead. Operand has 125 places, 100 transitions, 256 flow [2024-06-20 18:13:21,029 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 107 places, 82 transitions, 188 flow [2024-06-20 18:13:21,037 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-20 18:13:21,043 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;@63ec3903, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-20 18:13:21,043 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-06-20 18:13:21,048 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-20 18:13:21,049 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-20 18:13:21,049 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-20 18:13:21,049 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 18:13:21,050 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-20 18:13:21,053 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 13 more)] === [2024-06-20 18:13:21,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 18:13:21,058 INFO L85 PathProgramCache]: Analyzing trace with hash 627689951, now seen corresponding path program 1 times [2024-06-20 18:13:21,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 18:13:21,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337918962] [2024-06-20 18:13:21,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 18:13:21,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 18:13:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 18:13:21,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 18:13:21,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 18:13:21,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337918962] [2024-06-20 18:13:21,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337918962] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 18:13:21,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 18:13:21,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-20 18:13:21,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948190672] [2024-06-20 18:13:21,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 18:13:21,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-20 18:13:21,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 18:13:21,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-20 18:13:21,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-20 18:13:21,651 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 100 [2024-06-20 18:13:21,655 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 82 transitions, 188 flow. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2024-06-20 18:13:21,655 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 18:13:21,655 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 100 [2024-06-20 18:13:21,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand