./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/parallel-ticket-4.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cb09d658 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-4.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/parallel-ticket-4.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 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-cb09d65-m [2024-01-27 23:09:17,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 23:09:17,314 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 23:09:17,318 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 23:09:17,319 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 23:09:17,342 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 23:09:17,342 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 23:09:17,343 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 23:09:17,343 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 23:09:17,344 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 23:09:17,344 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 23:09:17,345 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 23:09:17,345 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 23:09:17,347 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 23:09:17,347 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 23:09:17,347 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 23:09:17,348 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 23:09:17,350 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 23:09:17,350 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 23:09:17,351 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 23:09:17,351 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 23:09:17,351 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 23:09:17,351 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 23:09:17,351 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 23:09:17,352 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 23:09:17,352 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 23:09:17,352 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 23:09:17,353 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 23:09:17,353 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 23:09:17,353 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 23:09:17,354 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 23:09:17,354 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 23:09:17,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 23:09:17,354 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 23:09:17,355 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 23:09:17,355 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 23:09:17,355 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 23:09:17,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 23:09:17,355 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 23:09:17,355 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 23:09:17,356 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 23:09:17,356 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 23:09:17,356 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 23:09:17,356 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 23:09:17,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 23:09:17,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 23:09:17,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 23:09:17,600 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 23:09:17,600 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 23:09:17,601 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/parallel-ticket-4.wvr.yml/witness.yml [2024-01-27 23:09:17,754 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 23:09:17,754 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 23:09:17,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c [2024-01-27 23:09:18,688 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 23:09:18,852 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 23:09:18,852 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c [2024-01-27 23:09:18,859 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/535e2cb1b/8a175a77214a442ea23cb31d7a1df213/FLAG376c06d22 [2024-01-27 23:09:18,877 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/535e2cb1b/8a175a77214a442ea23cb31d7a1df213 [2024-01-27 23:09:18,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 23:09:18,879 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 23:09:18,881 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 23:09:18,882 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 23:09:18,885 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 23:09:18,886 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:09:17" (1/2) ... [2024-01-27 23:09:18,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49d976a8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:09:18, skipping insertion in model container [2024-01-27 23:09:18,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:09:17" (1/2) ... [2024-01-27 23:09:18,889 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4335e0b5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:09:18, skipping insertion in model container [2024-01-27 23:09:18,890 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:09:18" (2/2) ... [2024-01-27 23:09:18,890 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49d976a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:09:18, skipping insertion in model container [2024-01-27 23:09:18,890 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:09:18" (2/2) ... [2024-01-27 23:09:18,891 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 23:09:18,930 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 23:09:18,931 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,932 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,932 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,932 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] b == (_Bool)0 [2024-01-27 23:09:18,932 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,933 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,933 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] b == (_Bool)0 [2024-01-27 23:09:18,933 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] x == 0 [2024-01-27 23:09:18,933 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] m4 == 0 [2024-01-27 23:09:18,933 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] s == 0 [2024-01-27 23:09:18,933 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] t == 0 [2024-01-27 23:09:18,933 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,933 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] m4 == 0 [2024-01-27 23:09:18,934 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] m3 == 0 [2024-01-27 23:09:18,934 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] x == 0 [2024-01-27 23:09:18,934 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] b == (_Bool)0 [2024-01-27 23:09:18,934 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] s == 0 [2024-01-27 23:09:18,934 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] t == 0 [2024-01-27 23:09:18,934 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,934 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] -2147483647 <= s [2024-01-27 23:09:18,935 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,935 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,935 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,935 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,935 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,936 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,936 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,936 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,936 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] b == (_Bool)0 [2024-01-27 23:09:18,936 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,936 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,936 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,936 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] -2147483647 <= t [2024-01-27 23:09:18,937 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,937 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,937 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,937 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,937 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,938 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] m2 == 0 [2024-01-27 23:09:18,938 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] m4 == 0 [2024-01-27 23:09:18,939 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] s == 0 [2024-01-27 23:09:18,939 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] x == 0 [2024-01-27 23:09:18,939 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] t == 0 [2024-01-27 23:09:18,939 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] m3 == 0 [2024-01-27 23:09:18,939 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] b == (_Bool)0 [2024-01-27 23:09:18,939 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,939 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,940 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,940 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] -2147483647 <= s [2024-01-27 23:09:18,940 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,940 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,940 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,940 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,941 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] x == 0 [2024-01-27 23:09:18,941 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,941 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,942 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,942 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,942 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,942 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,942 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,943 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] -2147483647 <= t [2024-01-27 23:09:18,943 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,943 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,943 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,943 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] x == 0 [2024-01-27 23:09:18,943 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] b == (_Bool)0 [2024-01-27 23:09:18,943 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] -2147483647 <= t [2024-01-27 23:09:18,943 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,944 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,944 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,944 INFO L98 nessWitnessExtractor]: Location invariant before [L105-L105] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,944 INFO L98 nessWitnessExtractor]: Location invariant before [L105-L105] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,944 INFO L98 nessWitnessExtractor]: Location invariant before [L105-L105] -2147483647 <= t [2024-01-27 23:09:18,944 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,944 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,944 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,945 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,945 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] b == (_Bool)0 [2024-01-27 23:09:18,945 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] x == 0 [2024-01-27 23:09:18,945 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,945 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] b == (_Bool)0 [2024-01-27 23:09:18,946 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,946 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] -2147483647 <= s [2024-01-27 23:09:18,946 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,946 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,946 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,946 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,946 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,946 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,947 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,947 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,947 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,947 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,947 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,947 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,947 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,947 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,948 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,948 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,948 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] -2147483647 <= s [2024-01-27 23:09:18,948 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,948 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,948 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,949 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] x == 1 [2024-01-27 23:09:18,949 INFO L98 nessWitnessExtractor]: Location invariant before [L102-L102] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,949 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,950 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,950 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,950 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] b == (_Bool)0 [2024-01-27 23:09:18,950 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] val == (_Bool)0 || val == (_Bool)1 [2024-01-27 23:09:18,950 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,951 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] b == (_Bool)0 [2024-01-27 23:09:18,951 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,951 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,951 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,951 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,951 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,952 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] x == 0 [2024-01-27 23:09:18,952 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] m1 == 0 [2024-01-27 23:09:18,952 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] t == 0 [2024-01-27 23:09:18,952 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] b == (_Bool)0 [2024-01-27 23:09:18,952 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] m2 == 0 [2024-01-27 23:09:18,952 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] s == 0 [2024-01-27 23:09:18,953 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] m3 == 0 [2024-01-27 23:09:18,953 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] m4 == 0 [2024-01-27 23:09:18,953 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,953 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,953 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,953 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,953 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] t == 0 [2024-01-27 23:09:18,984 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] b == (_Bool)0 [2024-01-27 23:09:18,984 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] x == 0 [2024-01-27 23:09:18,985 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,985 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,985 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (unsigned long )_argptr == 0UL [2024-01-27 23:09:18,985 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:18,985 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] s == 0 [2024-01-27 23:09:18,985 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] x == 0 [2024-01-27 23:09:18,985 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] t == 0 [2024-01-27 23:09:18,985 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] b == (_Bool)0 [2024-01-27 23:09:18,985 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] (unsigned long )_argptr == 0UL [2024-01-27 23:09:19,010 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:19,010 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] (unsigned long )_argptr == 0UL [2024-01-27 23:09:19,010 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:19,010 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-01-27 23:09:19,010 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:19,010 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] b == (_Bool)0 || b == (_Bool)1 [2024-01-27 23:09:19,010 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] (unsigned long )_argptr == 0UL [2024-01-27 23:09:19,041 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 23:09:19,198 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c[3578,3591] [2024-01-27 23:09:19,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 23:09:19,213 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 23:09:19,222 WARN L424 MainDispatcher]: Unable to annotate __assert_fail(const char *__assertion, const char *__file, unsigned int __line, const char *__function) with a witness entry [2024-01-27 23:09:19,225 WARN L424 MainDispatcher]: Unable to annotate extern int pthread_create (pthread_t *__restrict __newthread, const pthread_attr_t *__restrict __attr, void *(*__start_routine) (void *), void *__restrict __arg) __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1, 3))); with a witness entry 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 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 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 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 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 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 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 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 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 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 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 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 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 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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-27 23:09:19,321 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c[3578,3591] [2024-01-27 23:09:19,322 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 23:09:19,333 INFO L206 MainTranslator]: Completed translation [2024-01-27 23:09:19,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:09:19 WrapperNode [2024-01-27 23:09:19,339 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 23:09:19,341 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 23:09:19,341 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 23:09:19,341 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 23:09:19,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:09:19" (1/1) ... [2024-01-27 23:09:19,366 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:09:19" (1/1) ... [2024-01-27 23:09:19,404 INFO L138 Inliner]: procedures = 23, calls = 70, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 354 [2024-01-27 23:09:19,407 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 23:09:19,409 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 23:09:19,409 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 23:09:19,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 23:09:19,418 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:09:19" (1/1) ... [2024-01-27 23:09:19,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:09:19" (1/1) ... [2024-01-27 23:09:19,433 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:09:19" (1/1) ... [2024-01-27 23:09:19,452 INFO L175 MemorySlicer]: Split 10 memory accesses to 5 slices as follows [2, 2, 2, 2, 2]. 20 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1]. [2024-01-27 23:09:19,457 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:09:19" (1/1) ... [2024-01-27 23:09:19,457 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:09:19" (1/1) ... [2024-01-27 23:09:19,469 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:09:19" (1/1) ... [2024-01-27 23:09:19,477 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:09:19" (1/1) ... [2024-01-27 23:09:19,493 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:09:19" (1/1) ... [2024-01-27 23:09:19,495 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:09:19" (1/1) ... [2024-01-27 23:09:19,498 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 23:09:19,498 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 23:09:19,498 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 23:09:19,499 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 23:09:19,499 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:09:19" (1/1) ... [2024-01-27 23:09:19,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 23:09:19,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 23:09:19,525 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) [2024-01-27 23:09:19,540 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 [2024-01-27 23:09:19,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 23:09:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-27 23:09:19,559 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-27 23:09:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-27 23:09:19,559 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-27 23:09:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-27 23:09:19,559 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-27 23:09:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-27 23:09:19,559 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-27 23:09:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 23:09:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 23:09:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 23:09:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-27 23:09:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-27 23:09:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 23:09:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 23:09:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 23:09:19,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 23:09:19,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-27 23:09:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-27 23:09:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-27 23:09:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-27 23:09:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 23:09:19,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 23:09:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 23:09:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 23:09:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 23:09:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-27 23:09:19,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-27 23:09:19,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 23:09:19,564 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-27 23:09:19,675 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 23:09:19,677 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 23:09:20,190 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 23:09:20,190 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 23:09:20,463 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 23:09:20,463 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-27 23:09:20,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:09:20 BoogieIcfgContainer [2024-01-27 23:09:20,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 23:09:20,465 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 23:09:20,465 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 23:09:20,468 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 23:09:20,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:09:17" (1/4) ... [2024-01-27 23:09:20,468 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29bf5b95 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 11:09:20, skipping insertion in model container [2024-01-27 23:09:20,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 11:09:18" (2/4) ... [2024-01-27 23:09:20,468 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29bf5b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 11:09:20, skipping insertion in model container [2024-01-27 23:09:20,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:09:19" (3/4) ... [2024-01-27 23:09:20,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29bf5b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 11:09:20, skipping insertion in model container [2024-01-27 23:09:20,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:09:20" (4/4) ... [2024-01-27 23:09:20,470 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-4.wvr.c [2024-01-27 23:09:20,483 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 23:09:20,483 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 146 error locations. [2024-01-27 23:09:20,484 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 23:09:20,557 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-27 23:09:20,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 261 places, 248 transitions, 524 flow [2024-01-27 23:09:20,634 INFO L124 PetriNetUnfolderBase]: 0/244 cut-off events. [2024-01-27 23:09:20,634 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-27 23:09:20,636 INFO L83 FinitePrefix]: Finished finitePrefix Result has 261 conditions, 244 events. 0/244 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 934 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-01-27 23:09:20,636 INFO L82 GeneralOperation]: Start removeDead. Operand has 261 places, 248 transitions, 524 flow [2024-01-27 23:09:20,645 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 256 places, 243 transitions, 510 flow [2024-01-27 23:09:20,657 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 23:09:20,663 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;@67a2df75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 23:09:20,664 INFO L358 AbstractCegarLoop]: Starting to check reachability of 257 error locations. [2024-01-27 23:09:20,666 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 23:09:20,666 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 23:09:20,666 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 23:09:20,667 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:09:20,667 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 23:09:20,667 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 254 more)] === [2024-01-27 23:09:20,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:09:20,673 INFO L85 PathProgramCache]: Analyzing trace with hash 38215, now seen corresponding path program 1 times [2024-01-27 23:09:20,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:09:20,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729616719] [2024-01-27 23:09:20,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:09:20,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:09:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:09:20,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:09:20,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:09:20,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729616719] [2024-01-27 23:09:20,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729616719] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:09:20,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:09:20,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:09:20,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020584759] [2024-01-27 23:09:20,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:09:20,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:09:20,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:09:20,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:09:20,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:09:20,895 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 248 [2024-01-27 23:09:20,899 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 243 transitions, 510 flow. Second operand has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 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) [2024-01-27 23:09:20,900 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:09:20,900 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 248 [2024-01-27 23:09:20,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand