./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 cde23df1 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-cde23df-m [2024-06-14 14:19:04,571 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-14 14:19:04,644 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-14 14:19:04,650 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-14 14:19:04,651 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-14 14:19:04,676 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-14 14:19:04,677 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-14 14:19:04,677 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-14 14:19:04,678 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-14 14:19:04,681 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-14 14:19:04,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-14 14:19:04,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-14 14:19:04,683 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-14 14:19:04,684 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-14 14:19:04,684 INFO L153 SettingsManager]: * Use SBE=true [2024-06-14 14:19:04,684 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-14 14:19:04,685 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-14 14:19:04,685 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-14 14:19:04,685 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-14 14:19:04,685 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-14 14:19:04,686 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-14 14:19:04,686 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-14 14:19:04,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-14 14:19:04,687 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-14 14:19:04,687 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-14 14:19:04,687 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-14 14:19:04,687 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-14 14:19:04,688 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-14 14:19:04,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-14 14:19:04,689 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-14 14:19:04,690 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-14 14:19:04,690 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-14 14:19:04,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 14:19:04,690 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-14 14:19:04,690 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-14 14:19:04,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-14 14:19:04,691 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-14 14:19:04,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-14 14:19:04,691 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-14 14:19:04,691 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-14 14:19:04,692 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-14 14:19:04,692 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-14 14:19:04,692 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-14 14:19:04,692 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-14 14:19:04,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-14 14:19:04,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-14 14:19:04,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-14 14:19:04,954 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-14 14:19:04,955 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-14 14:19:04,956 INFO L431 ainManager$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 [2024-06-14 14:19:05,036 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-14 14:19:05,037 INFO L274 PluginConnector]: CDTParser initialized [2024-06-14 14:19:05,038 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2024-06-14 14:19:06,271 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-14 14:19:06,463 INFO L384 CDTParser]: Found 1 translation units. [2024-06-14 14:19:06,464 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2024-06-14 14:19:06,473 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc338c56e/cdc6e00790f940f6ba4fa18f6dc9231b/FLAGc3086dcb7 [2024-06-14 14:19:06,484 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc338c56e/cdc6e00790f940f6ba4fa18f6dc9231b [2024-06-14 14:19:06,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-14 14:19:06,487 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-14 14:19:06,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-14 14:19:06,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-14 14:19:06,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-14 14:19:06,495 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 02:19:05" (1/2) ... [2024-06-14 14:19:06,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57dad592 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:19:06, skipping insertion in model container [2024-06-14 14:19:06,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 02:19:05" (1/2) ... [2024-06-14 14:19:06,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@78700329 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:19:06, skipping insertion in model container [2024-06-14 14:19:06,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 02:19:06" (2/2) ... [2024-06-14 14:19:06,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57dad592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:06, skipping insertion in model container [2024-06-14 14:19:06,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 02:19:06" (2/2) ... [2024-06-14 14:19:06,500 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-14 14:19:06,523 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-14 14:19:06,524 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) [2024-06-14 14:19:06,525 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) [2024-06-14 14:19:06,525 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) [2024-06-14 14:19:06,525 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) [2024-06-14 14:19:06,525 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) [2024-06-14 14:19:06,525 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) [2024-06-14 14:19:06,525 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) [2024-06-14 14:19:06,526 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) [2024-06-14 14:19:06,526 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-14 14:19:06,526 INFO L106 edCorrectnessWitness]: ghost_update [L216-L216] multithreaded = 1; [2024-06-14 14:19:06,553 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-14 14:19:06,784 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 14:19:06,796 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 [2024-06-14 14:19:06,904 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 14:19:06,927 INFO L206 MainTranslator]: Completed translation [2024-06-14 14:19:06,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:06 WrapperNode [2024-06-14 14:19:06,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-14 14:19:06,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-14 14:19:06,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-14 14:19:06,929 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-14 14:19:06,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:06" (1/1) ... [2024-06-14 14:19:06,962 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:06" (1/1) ... [2024-06-14 14:19:07,013 INFO L138 Inliner]: procedures = 26, calls = 91, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 343 [2024-06-14 14:19:07,018 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-14 14:19:07,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-14 14:19:07,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-14 14:19:07,020 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-14 14:19:07,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:06" (1/1) ... [2024-06-14 14:19:07,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:06" (1/1) ... [2024-06-14 14:19:07,044 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:06" (1/1) ... [2024-06-14 14:19:07,080 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]. [2024-06-14 14:19:07,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:06" (1/1) ... [2024-06-14 14:19:07,081 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:06" (1/1) ... [2024-06-14 14:19:07,092 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:06" (1/1) ... [2024-06-14 14:19:07,095 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:06" (1/1) ... [2024-06-14 14:19:07,098 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:06" (1/1) ... [2024-06-14 14:19:07,112 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:06" (1/1) ... [2024-06-14 14:19:07,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-14 14:19:07,117 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-14 14:19:07,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-14 14:19:07,117 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-14 14:19:07,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:06" (1/1) ... [2024-06-14 14:19:07,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 14:19:07,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-14 14:19:07,153 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) [2024-06-14 14:19:07,227 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 [2024-06-14 14:19:07,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-14 14:19:07,243 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-06-14 14:19:07,243 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-06-14 14:19:07,243 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-06-14 14:19:07,243 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-06-14 14:19:07,244 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-06-14 14:19:07,244 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-06-14 14:19:07,244 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-06-14 14:19:07,245 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-06-14 14:19:07,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-14 14:19:07,245 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-06-14 14:19:07,247 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-06-14 14:19:07,247 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-06-14 14:19:07,248 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-06-14 14:19:07,248 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2024-06-14 14:19:07,248 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2024-06-14 14:19:07,248 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2024-06-14 14:19:07,248 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2024-06-14 14:19:07,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-14 14:19:07,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-14 14:19:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-14 14:19:07,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-14 14:19:07,286 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-14 14:19:07,414 INFO L244 CfgBuilder]: Building ICFG [2024-06-14 14:19:07,415 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-14 14:19:07,853 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-14 14:19:07,854 INFO L293 CfgBuilder]: Performing block encoding [2024-06-14 14:19:08,093 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-14 14:19:08,094 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-14 14:19:08,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 02:19:08 BoogieIcfgContainer [2024-06-14 14:19:08,094 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-14 14:19:08,098 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-14 14:19:08,099 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-14 14:19:08,101 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-14 14:19:08,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 02:19:05" (1/4) ... [2024-06-14 14:19:08,102 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@da4bc4c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 02:19:08, skipping insertion in model container [2024-06-14 14:19:08,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 02:19:06" (2/4) ... [2024-06-14 14:19:08,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@da4bc4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 02:19:08, skipping insertion in model container [2024-06-14 14:19:08,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:19:06" (3/4) ... [2024-06-14 14:19:08,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@da4bc4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 02:19:08, skipping insertion in model container [2024-06-14 14:19:08,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 02:19:08" (4/4) ... [2024-06-14 14:19:08,106 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-8.wvr.c [2024-06-14 14:19:08,123 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-14 14:19:08,123 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-06-14 14:19:08,123 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-14 14:19:08,292 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-06-14 14:19:08,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 126 places, 101 transitions, 258 flow [2024-06-14 14:19:08,381 INFO L124 PetriNetUnfolderBase]: 0/93 cut-off events. [2024-06-14 14:19:08,381 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-06-14 14:19:08,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 93 events. 0/93 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. 0/85 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-06-14 14:19:08,383 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 101 transitions, 258 flow [2024-06-14 14:19:08,388 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 108 places, 83 transitions, 190 flow [2024-06-14 14:19:08,399 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-14 14:19:08,406 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;@709dba1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-14 14:19:08,407 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-06-14 14:19:08,410 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-14 14:19:08,411 INFO L124 PetriNetUnfolderBase]: 0/7 cut-off events. [2024-06-14 14:19:08,411 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 14:19:08,411 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 14:19:08,412 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-14 14:19:08,412 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)] === [2024-06-14 14:19:08,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 14:19:08,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1989562726, now seen corresponding path program 1 times [2024-06-14 14:19:08,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 14:19:08,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579324613] [2024-06-14 14:19:08,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 14:19:08,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 14:19:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 14:19:08,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 14:19:08,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 14:19:08,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579324613] [2024-06-14 14:19:08,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579324613] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 14:19:08,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 14:19:08,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-14 14:19:08,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815761413] [2024-06-14 14:19:08,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 14:19:08,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-14 14:19:08,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 14:19:08,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-14 14:19:08,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-14 14:19:08,967 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 101 [2024-06-14 14:19:08,970 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 83 transitions, 190 flow. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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) [2024-06-14 14:19:08,970 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 14:19:08,971 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 101 [2024-06-14 14:19:08,972 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand