./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 ab2e0ac4 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-ab2e0ac-m [2024-01-29 14:18:59,805 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 14:18:59,850 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 14:18:59,855 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 14:18:59,856 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 14:18:59,883 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 14:18:59,886 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 14:18:59,886 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 14:18:59,887 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 14:18:59,890 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 14:18:59,890 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 14:18:59,890 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 14:18:59,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 14:18:59,892 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 14:18:59,892 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 14:18:59,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 14:18:59,893 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 14:18:59,893 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 14:18:59,893 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 14:18:59,893 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 14:18:59,893 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 14:18:59,894 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 14:18:59,894 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 14:18:59,894 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 14:18:59,894 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 14:18:59,895 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 14:18:59,895 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 14:18:59,895 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 14:18:59,895 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 14:18:59,896 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 14:18:59,896 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 14:18:59,897 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 14:18:59,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:18:59,897 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 14:18:59,897 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 14:18:59,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 14:18:59,897 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 14:18:59,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 14:18:59,898 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 14:18:59,898 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 14:18:59,898 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 14:18:59,898 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 14:18:59,899 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 14:18:59,899 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 14:19:00,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 14:19:00,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 14:19:00,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 14:19:00,175 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 14:19:00,176 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 14:19:00,177 INFO L431 ainManager$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 [2024-01-29 14:19:00,323 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 14:19:00,324 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 14:19:00,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c [2024-01-29 14:19:01,283 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 14:19:01,456 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 14:19:01,457 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c [2024-01-29 14:19:01,463 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/235b9997b/7fb0f47c7f004839b063b8c0a024fd45/FLAGf6faddefb [2024-01-29 14:19:01,472 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/235b9997b/7fb0f47c7f004839b063b8c0a024fd45 [2024-01-29 14:19:01,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 14:19:01,474 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 14:19:01,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 14:19:01,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 14:19:01,478 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 14:19:01,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:19:00" (1/2) ... [2024-01-29 14:19:01,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ce4cb91 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:19:01, skipping insertion in model container [2024-01-29 14:19:01,480 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:19:00" (1/2) ... [2024-01-29 14:19:01,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@75b9fdc4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:19:01, skipping insertion in model container [2024-01-29 14:19:01,481 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:19:01" (2/2) ... [2024-01-29 14:19:01,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ce4cb91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:01, skipping insertion in model container [2024-01-29 14:19:01,482 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:19:01" (2/2) ... [2024-01-29 14:19:01,482 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 14:19:01,520 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 14:19:01,521 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] t == 0 [2024-01-29 14:19:01,521 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] b == (_Bool)0 [2024-01-29 14:19:01,522 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] x == 0 [2024-01-29 14:19:01,522 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,522 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,522 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,522 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] b == (_Bool)0 [2024-01-29 14:19:01,522 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] x == 0 [2024-01-29 14:19:01,522 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] -2147483647 <= s [2024-01-29 14:19:01,522 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,523 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,523 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] x == 0 [2024-01-29 14:19:01,523 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,523 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,523 INFO L98 nessWitnessExtractor]: Location invariant before [L105-L105] -2147483647 <= t [2024-01-29 14:19:01,523 INFO L98 nessWitnessExtractor]: Location invariant before [L105-L105] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,523 INFO L98 nessWitnessExtractor]: Location invariant before [L105-L105] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,523 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,524 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,524 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,524 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,524 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] b == (_Bool)0 [2024-01-29 14:19:01,525 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] -2147483647 <= t [2024-01-29 14:19:01,525 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,525 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,525 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,525 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,525 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,525 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,526 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] -2147483647 <= t [2024-01-29 14:19:01,526 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,526 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,526 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,526 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,526 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,527 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,527 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,527 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,529 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,529 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,529 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] m4 == 0 [2024-01-29 14:19:01,529 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] m3 == 0 [2024-01-29 14:19:01,529 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] s == 0 [2024-01-29 14:19:01,529 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] m2 == 0 [2024-01-29 14:19:01,529 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] m1 == 0 [2024-01-29 14:19:01,529 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] b == (_Bool)0 [2024-01-29 14:19:01,530 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] t == 0 [2024-01-29 14:19:01,530 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] x == 0 [2024-01-29 14:19:01,530 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,530 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,530 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,531 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,531 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,531 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,531 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,531 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,531 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] m4 == 0 [2024-01-29 14:19:01,531 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] b == (_Bool)0 [2024-01-29 14:19:01,532 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] t == 0 [2024-01-29 14:19:01,532 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] x == 0 [2024-01-29 14:19:01,532 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] s == 0 [2024-01-29 14:19:01,532 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,532 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,532 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] -2147483647 <= s [2024-01-29 14:19:01,532 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,532 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,533 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] s == 0 [2024-01-29 14:19:01,533 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] t == 0 [2024-01-29 14:19:01,533 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] b == (_Bool)0 [2024-01-29 14:19:01,533 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] x == 0 [2024-01-29 14:19:01,533 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,533 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,533 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,533 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,534 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,534 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,534 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,534 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,534 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] -2147483647 <= t [2024-01-29 14:19:01,534 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,534 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,534 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,535 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,535 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,535 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,535 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,535 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,535 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,535 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,536 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] b == (_Bool)0 [2024-01-29 14:19:01,536 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,536 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,536 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,536 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,536 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,536 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] -2147483647 <= s [2024-01-29 14:19:01,536 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,537 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,537 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,537 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,537 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] b == (_Bool)0 [2024-01-29 14:19:01,537 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,537 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,537 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] s == 0 [2024-01-29 14:19:01,537 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] t == 0 [2024-01-29 14:19:01,538 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] b == (_Bool)0 [2024-01-29 14:19:01,538 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] x == 0 [2024-01-29 14:19:01,538 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] m3 == 0 [2024-01-29 14:19:01,538 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] m4 == 0 [2024-01-29 14:19:01,538 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,538 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,538 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,538 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,539 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,539 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,539 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,539 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,539 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,539 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,539 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,539 INFO L98 nessWitnessExtractor]: Location invariant before [L102-L102] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,540 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,540 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,540 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,540 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] x == 1 [2024-01-29 14:19:01,540 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,540 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,540 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,540 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,541 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,541 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] b == (_Bool)0 [2024-01-29 14:19:01,541 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,541 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,541 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] -2147483647 <= s [2024-01-29 14:19:01,541 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] t == 0 [2024-01-29 14:19:01,541 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] x == 0 [2024-01-29 14:19:01,541 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] b == (_Bool)0 [2024-01-29 14:19:01,541 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] m4 == 0 [2024-01-29 14:19:01,542 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] s == 0 [2024-01-29 14:19:01,542 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] m3 == 0 [2024-01-29 14:19:01,542 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] m2 == 0 [2024-01-29 14:19:01,542 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,542 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,542 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] val == (_Bool)0 || val == (_Bool)1 [2024-01-29 14:19:01,543 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] b == (_Bool)0 [2024-01-29 14:19:01,543 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] b == (_Bool)0 || b == (_Bool)1 [2024-01-29 14:19:01,543 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-01-29 14:19:01,544 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] x == 0 [2024-01-29 14:19:01,544 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] b == (_Bool)0 [2024-01-29 14:19:01,567 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 14:19:01,690 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] [2024-01-29 14:19:01,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:19:01,702 INFO L202 MainTranslator]: Completed pre-run [2024-01-29 14:19:01,709 WARN L424 MainDispatcher]: Unable to annotate __assert_fail(const char *__assertion, const char *__file, unsigned int __line, const char *__function) with a witness entry [2024-01-29 14:19:01,712 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 [2024-01-29 14:19:01,787 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] [2024-01-29 14:19:01,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:19:01,800 INFO L206 MainTranslator]: Completed translation [2024-01-29 14:19:01,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:01 WrapperNode [2024-01-29 14:19:01,800 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 14:19:01,801 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 14:19:01,801 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 14:19:01,801 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 14:19:01,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:01" (1/1) ... [2024-01-29 14:19:01,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:01" (1/1) ... [2024-01-29 14:19:01,847 INFO L138 Inliner]: procedures = 23, calls = 70, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 354 [2024-01-29 14:19:01,848 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 14:19:01,848 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 14:19:01,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 14:19:01,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 14:19:01,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:01" (1/1) ... [2024-01-29 14:19:01,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:01" (1/1) ... [2024-01-29 14:19:01,860 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:01" (1/1) ... [2024-01-29 14:19:01,874 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]. [2024-01-29 14:19:01,874 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:01" (1/1) ... [2024-01-29 14:19:01,875 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:01" (1/1) ... [2024-01-29 14:19:01,882 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:01" (1/1) ... [2024-01-29 14:19:01,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:01" (1/1) ... [2024-01-29 14:19:01,895 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:01" (1/1) ... [2024-01-29 14:19:01,896 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:01" (1/1) ... [2024-01-29 14:19:01,899 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 14:19:01,899 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 14:19:01,899 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 14:19:01,900 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 14:19:01,900 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:01" (1/1) ... [2024-01-29 14:19:01,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:19:01,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 14:19:01,957 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) [2024-01-29 14:19:01,966 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 [2024-01-29 14:19:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 14:19:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-29 14:19:01,992 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-29 14:19:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-29 14:19:01,992 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-29 14:19:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-29 14:19:01,993 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-29 14:19:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-29 14:19:01,993 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-29 14:19:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 14:19:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 14:19:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 14:19:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-29 14:19:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-29 14:19:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 14:19:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 14:19:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 14:19:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 14:19:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-29 14:19:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-29 14:19:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-29 14:19:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-29 14:19:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 14:19:01,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 14:19:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 14:19:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 14:19:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 14:19:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-29 14:19:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-29 14:19:01,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 14:19:01,998 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-29 14:19:02,123 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 14:19:02,125 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 14:19:02,601 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 14:19:02,601 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 14:19:02,949 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 14:19:02,949 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-29 14:19:02,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:19:02 BoogieIcfgContainer [2024-01-29 14:19:02,950 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 14:19:02,953 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 14:19:02,953 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 14:19:02,956 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 14:19:02,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:19:00" (1/4) ... [2024-01-29 14:19:02,957 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@761fbeac and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:19:02, skipping insertion in model container [2024-01-29 14:19:02,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 02:19:01" (2/4) ... [2024-01-29 14:19:02,957 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@761fbeac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:19:02, skipping insertion in model container [2024-01-29 14:19:02,958 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:01" (3/4) ... [2024-01-29 14:19:02,959 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@761fbeac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:19:02, skipping insertion in model container [2024-01-29 14:19:02,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:19:02" (4/4) ... [2024-01-29 14:19:02,960 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-4.wvr.c [2024-01-29 14:19:02,975 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 14:19:02,975 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 146 error locations. [2024-01-29 14:19:02,976 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 14:19:03,073 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-29 14:19:03,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 261 places, 248 transitions, 524 flow [2024-01-29 14:19:03,195 INFO L124 PetriNetUnfolderBase]: 0/244 cut-off events. [2024-01-29 14:19:03,196 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-29 14:19:03,198 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. [2024-01-29 14:19:03,198 INFO L82 GeneralOperation]: Start removeDead. Operand has 261 places, 248 transitions, 524 flow [2024-01-29 14:19:03,209 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 256 places, 243 transitions, 510 flow [2024-01-29 14:19:03,221 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 14:19:03,227 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;@2772803b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 14:19:03,227 INFO L358 AbstractCegarLoop]: Starting to check reachability of 257 error locations. [2024-01-29 14:19:03,229 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 14:19:03,229 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 14:19:03,229 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:19:03,230 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:19:03,230 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 14:19:03,230 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 254 more)] === [2024-01-29 14:19:03,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:19:03,265 INFO L85 PathProgramCache]: Analyzing trace with hash 38215, now seen corresponding path program 1 times [2024-01-29 14:19:03,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:19:03,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028656491] [2024-01-29 14:19:03,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:19:03,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:19:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:19:03,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:19:03,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:19:03,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028656491] [2024-01-29 14:19:03,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028656491] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:19:03,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:19:03,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:19:03,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128514571] [2024-01-29 14:19:03,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:19:03,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:19:03,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:19:03,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:19:03,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:19:03,501 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 248 [2024-01-29 14:19:03,505 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 243 transitions, 510 flow. Second operand has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 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) [2024-01-29 14:19:03,506 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:19:03,506 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 248 [2024-01-29 14:19:03,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand