./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.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/parallel-ticket-4.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d8006e4b 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.2024-01-24_13-31-21.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-d8006e4-m [2024-02-05 10:34:06,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-05 10:34:06,794 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-05 10:34:06,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-05 10:34:06,798 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-05 10:34:06,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-05 10:34:06,816 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-05 10:34:06,816 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-05 10:34:06,817 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-05 10:34:06,817 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-05 10:34:06,817 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-05 10:34:06,818 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-05 10:34:06,818 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-05 10:34:06,819 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-05 10:34:06,819 INFO L153 SettingsManager]: * Use SBE=true [2024-02-05 10:34:06,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-05 10:34:06,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-05 10:34:06,820 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-05 10:34:06,821 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-05 10:34:06,821 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-05 10:34:06,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-05 10:34:06,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-05 10:34:06,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-05 10:34:06,823 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-05 10:34:06,823 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-05 10:34:06,823 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-05 10:34:06,824 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-05 10:34:06,824 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-05 10:34:06,825 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-05 10:34:06,825 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-05 10:34:06,825 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-05 10:34:06,825 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-05 10:34:06,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:34:06,826 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-05 10:34:06,826 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-05 10:34:06,827 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-05 10:34:06,827 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-05 10:34:06,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-05 10:34:06,828 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-05 10:34:06,828 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-05 10:34:06,828 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-05 10:34:06,829 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-05 10:34:06,829 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-05 10:34:06,829 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-05 10:34:07,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-05 10:34:07,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-05 10:34:07,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-05 10:34:07,072 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-05 10:34:07,072 INFO L274 PluginConnector]: CDTParser initialized [2024-02-05 10:34:07,073 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c [2024-02-05 10:34:08,228 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-05 10:34:08,517 INFO L384 CDTParser]: Found 1 translation units. [2024-02-05 10:34:08,518 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-4.wvr.c [2024-02-05 10:34:08,553 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a52d2bffa/a1cf96cf0ea24a84bb88d362ddf0a6db/FLAGe44f68ca5 [2024-02-05 10:34:08,571 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a52d2bffa/a1cf96cf0ea24a84bb88d362ddf0a6db [2024-02-05 10:34:08,575 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-05 10:34:08,576 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-05 10:34:08,577 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/parallel-ticket-4.wvr.yml/witness.yml [2024-02-05 10:34:08,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-05 10:34:08,741 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-05 10:34:08,743 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-05 10:34:08,743 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-05 10:34:08,747 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-05 10:34:08,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:34:08" (1/2) ... [2024-02-05 10:34:08,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4450cede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:34:08, skipping insertion in model container [2024-02-05 10:34:08,749 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:34:08" (1/2) ... [2024-02-05 10:34:08,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@62b02085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:34:08, skipping insertion in model container [2024-02-05 10:34:08,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:34:08" (2/2) ... [2024-02-05 10:34:08,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4450cede and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:34:08, skipping insertion in model container [2024-02-05 10:34:08,752 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:34:08" (2/2) ... [2024-02-05 10:34:08,752 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-05 10:34:08,806 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-05 10:34:08,808 INFO L101 nessWitnessExtractor]: Location invariant before [L48-L48] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,808 INFO L101 nessWitnessExtractor]: Location invariant before [L64-L64] (unsigned long )_argptr == 0UL [2024-02-05 10:34:08,808 INFO L101 nessWitnessExtractor]: Location invariant before [L130-L130] (x == 0) && (b == (_Bool)0) [2024-02-05 10:34:08,808 INFO L101 nessWitnessExtractor]: Location invariant before [L76-L76] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,808 INFO L101 nessWitnessExtractor]: Location invariant before [L98-L98] (unsigned long )_argptr == 0UL [2024-02-05 10:34:08,808 INFO L101 nessWitnessExtractor]: Location invariant before [L85-L85] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,809 INFO L101 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-02-05 10:34:08,809 INFO L101 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-02-05 10:34:08,809 INFO L101 nessWitnessExtractor]: Location invariant before [L126-L126] (((((m3 == 0) && (m4 == 0)) && (s == 0)) && (t == 0)) && (x == 0)) && (b == (_Bool)0) [2024-02-05 10:34:08,809 INFO L101 nessWitnessExtractor]: Location invariant before [L43-L43] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,809 INFO L101 nessWitnessExtractor]: Location invariant before [L45-L45] ((-2147483647 <= t) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,810 INFO L101 nessWitnessExtractor]: Location invariant before [L124-L124] (((((((m1 == 0) && (m2 == 0)) && (m3 == 0)) && (m4 == 0)) && (s == 0)) && (t == 0)) && (x == 0)) && (b == (_Bool)0) [2024-02-05 10:34:08,810 INFO L101 nessWitnessExtractor]: Location invariant before [L66-L66] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,810 INFO L101 nessWitnessExtractor]: Location invariant before [L96-L96] ((-2147483647 <= s) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,810 INFO L101 nessWitnessExtractor]: Location invariant before [L103-L103] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,810 INFO L101 nessWitnessExtractor]: Location invariant before [L107-L107] (unsigned long )_argptr == 0UL [2024-02-05 10:34:08,810 INFO L101 nessWitnessExtractor]: Location invariant before [L55-L55] ((x == 0) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,811 INFO L101 nessWitnessExtractor]: Location invariant before [L92-L92] (b == (_Bool)0) && ((unsigned long )_argptr == 0UL) [2024-02-05 10:34:08,811 INFO L101 nessWitnessExtractor]: Location invariant before [L93-L93] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,811 INFO L101 nessWitnessExtractor]: Location invariant before [L73-L73] (b == (_Bool)0) && ((unsigned long )_argptr == 0UL) [2024-02-05 10:34:08,811 INFO L101 nessWitnessExtractor]: Location invariant before [L94-L94] (unsigned long )_argptr == 0UL [2024-02-05 10:34:08,812 INFO L101 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-02-05 10:34:08,812 INFO L101 nessWitnessExtractor]: Location invariant before [L90-L90] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,812 INFO L101 nessWitnessExtractor]: Location invariant before [L83-L83] (unsigned long )_argptr == 0UL [2024-02-05 10:34:08,812 INFO L101 nessWitnessExtractor]: Location invariant before [L58-L58] ((-2147483647 <= s) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,812 INFO L101 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-02-05 10:34:08,812 INFO L101 nessWitnessExtractor]: Location invariant before [L84-L84] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,813 INFO L101 nessWitnessExtractor]: Location invariant before [L65-L65] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,813 INFO L101 nessWitnessExtractor]: Location invariant before [L95-L95] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,813 INFO L101 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-02-05 10:34:08,813 INFO L101 nessWitnessExtractor]: Location invariant before [L131-L131] b == (_Bool)0 [2024-02-05 10:34:08,813 INFO L101 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-02-05 10:34:08,813 INFO L101 nessWitnessExtractor]: Location invariant before [L86-L86] ((-2147483647 <= t) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,814 INFO L101 nessWitnessExtractor]: Location invariant before [L49-L49] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,814 INFO L101 nessWitnessExtractor]: Location invariant before [L127-L127] ((((m4 == 0) && (s == 0)) && (t == 0)) && (x == 0)) && (b == (_Bool)0) [2024-02-05 10:34:08,814 INFO L101 nessWitnessExtractor]: Location invariant before [L108-L108] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,815 INFO L101 nessWitnessExtractor]: Location invariant before [L88-L88] (unsigned long )_argptr == 0UL [2024-02-05 10:34:08,815 INFO L101 nessWitnessExtractor]: Location invariant before [L134-L134] b == (_Bool)0 || b == (_Bool)1 [2024-02-05 10:34:08,816 INFO L101 nessWitnessExtractor]: Location invariant before [L105-L105] ((-2147483647 <= t) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,816 INFO L101 nessWitnessExtractor]: Location invariant before [L115-L115] ((-2147483647 <= s) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,816 INFO L101 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-02-05 10:34:08,817 INFO L101 nessWitnessExtractor]: Location invariant before [L57-L57] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,817 INFO L101 nessWitnessExtractor]: Location invariant before [L129-L129] ((t == 0) && (x == 0)) && (b == (_Bool)0) [2024-02-05 10:34:08,817 INFO L101 nessWitnessExtractor]: Location invariant before [L114-L114] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,817 INFO L101 nessWitnessExtractor]: Location invariant before [L89-L89] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,817 INFO L101 nessWitnessExtractor]: Location invariant before [L70-L70] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,818 INFO L101 nessWitnessExtractor]: Location invariant before [L74-L74] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,818 INFO L101 nessWitnessExtractor]: Location invariant before [L77-L77] ((-2147483647 <= s) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,818 INFO L101 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-02-05 10:34:08,818 INFO L101 nessWitnessExtractor]: Location invariant before [L102-L102] (unsigned long )_argptr == 0UL [2024-02-05 10:34:08,818 INFO L101 nessWitnessExtractor]: Location invariant before [L112-L112] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,818 INFO L101 nessWitnessExtractor]: Location invariant before [L128-L128] (((s == 0) && (t == 0)) && (x == 0)) && (b == (_Bool)0) [2024-02-05 10:34:08,819 INFO L101 nessWitnessExtractor]: Location invariant before [L54-L54] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,819 INFO L101 nessWitnessExtractor]: Location invariant before [L51-L51] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,819 INFO L101 nessWitnessExtractor]: Location invariant before [L67-L67] ((-2147483647 <= t) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,820 INFO L101 nessWitnessExtractor]: Location invariant before [L125-L125] ((((((m2 == 0) && (m3 == 0)) && (m4 == 0)) && (s == 0)) && (t == 0)) && (x == 0)) && (b == (_Bool)0) [2024-02-05 10:34:08,820 INFO L101 nessWitnessExtractor]: Location invariant before [L104-L104] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,821 INFO L101 nessWitnessExtractor]: Location invariant before [L44-L44] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,821 INFO L101 nessWitnessExtractor]: Location invariant before [L71-L71] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,821 INFO L101 nessWitnessExtractor]: Location invariant before [L110-L110] (unsigned long )_argptr == 0UL [2024-02-05 10:34:08,821 INFO L101 nessWitnessExtractor]: Location invariant before [L52-L52] ((x == 1) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,821 INFO L101 nessWitnessExtractor]: Location invariant before [L117-L117] (unsigned long )_argptr == 0UL [2024-02-05 10:34:08,822 INFO L101 nessWitnessExtractor]: Location invariant before [L113-L113] (unsigned long )_argptr == 0UL [2024-02-05 10:34:08,822 INFO L101 nessWitnessExtractor]: Location invariant before [L111-L111] (b == (_Bool)0) && ((unsigned long )_argptr == 0UL) [2024-02-05 10:34:08,822 INFO L101 nessWitnessExtractor]: Location invariant before [L136-L136] b == (_Bool)0 || b == (_Bool)1 [2024-02-05 10:34:08,822 INFO L101 nessWitnessExtractor]: Location invariant before [L91-L91] (unsigned long )_argptr == 0UL [2024-02-05 10:34:08,822 INFO L101 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-02-05 10:34:08,822 INFO L101 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-02-05 10:34:08,822 INFO L101 nessWitnessExtractor]: Location invariant before [L109-L109] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-05 10:34:08,850 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-02-05 10:34:09,035 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] [2024-02-05 10:34:09,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:34:09,053 INFO L204 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-05 10:34:09,184 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] [2024-02-05 10:34:09,185 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:34:09,207 INFO L208 MainTranslator]: Completed translation [2024-02-05 10:34:09,208 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:34:09 WrapperNode [2024-02-05 10:34:09,208 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-05 10:34:09,209 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-05 10:34:09,210 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-05 10:34:09,210 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-05 10:34:09,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:34:09" (1/1) ... [2024-02-05 10:34:09,246 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:34:09" (1/1) ... [2024-02-05 10:34:09,291 INFO L138 Inliner]: procedures = 23, calls = 70, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 278 [2024-02-05 10:34:09,294 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-05 10:34:09,296 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-05 10:34:09,296 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-05 10:34:09,296 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-05 10:34:09,306 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:34:09" (1/1) ... [2024-02-05 10:34:09,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:34:09" (1/1) ... [2024-02-05 10:34:09,323 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:34:09" (1/1) ... [2024-02-05 10:34:09,350 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]. [2024-02-05 10:34:09,351 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:34:09" (1/1) ... [2024-02-05 10:34:09,351 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:34:09" (1/1) ... [2024-02-05 10:34:09,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:34:09" (1/1) ... [2024-02-05 10:34:09,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:34:09" (1/1) ... [2024-02-05 10:34:09,375 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:34:09" (1/1) ... [2024-02-05 10:34:09,377 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:34:09" (1/1) ... [2024-02-05 10:34:09,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-05 10:34:09,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-05 10:34:09,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-05 10:34:09,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-05 10:34:09,385 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:34:09" (1/1) ... [2024-02-05 10:34:09,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:34:09,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-05 10:34:09,416 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) [2024-02-05 10:34:09,419 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 [2024-02-05 10:34:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-05 10:34:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-05 10:34:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-05 10:34:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-05 10:34:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-05 10:34:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-02-05 10:34:09,448 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-02-05 10:34:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-02-05 10:34:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-02-05 10:34:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-05 10:34:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-05 10:34:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-05 10:34:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-05 10:34:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-05 10:34:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-05 10:34:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-05 10:34:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-05 10:34:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-05 10:34:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-05 10:34:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-05 10:34:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-05 10:34:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-05 10:34:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-05 10:34:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-05 10:34:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-05 10:34:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-05 10:34:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-05 10:34:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-05 10:34:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-02-05 10:34:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-05 10:34:09,454 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-05 10:34:09,572 INFO L244 CfgBuilder]: Building ICFG [2024-02-05 10:34:09,573 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-05 10:34:10,131 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-05 10:34:10,131 INFO L293 CfgBuilder]: Performing block encoding [2024-02-05 10:34:10,429 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-05 10:34:10,430 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-05 10:34:10,430 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.02 10:34:10 BoogieIcfgContainer [2024-02-05 10:34:10,430 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-05 10:34:10,432 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-05 10:34:10,432 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-05 10:34:10,434 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-05 10:34:10,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 10:34:08" (1/4) ... [2024-02-05 10:34:10,435 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e988a64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 10:34:10, skipping insertion in model container [2024-02-05 10:34:10,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:34:08" (2/4) ... [2024-02-05 10:34:10,435 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e988a64 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 05.02 10:34:10, skipping insertion in model container [2024-02-05 10:34:10,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:34:09" (3/4) ... [2024-02-05 10:34:10,435 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e988a64 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 05.02 10:34:10, skipping insertion in model container [2024-02-05 10:34:10,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.02 10:34:10" (4/4) ... [2024-02-05 10:34:10,436 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-4.wvr.c [2024-02-05 10:34:10,453 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-05 10:34:10,453 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 70 error locations. [2024-02-05 10:34:10,453 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-05 10:34:10,608 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-02-05 10:34:10,652 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 157 places, 144 transitions, 316 flow [2024-02-05 10:34:10,717 INFO L124 PetriNetUnfolderBase]: 0/140 cut-off events. [2024-02-05 10:34:10,718 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-02-05 10:34:10,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 140 events. 0/140 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 525 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-02-05 10:34:10,720 INFO L82 GeneralOperation]: Start removeDead. Operand has 157 places, 144 transitions, 316 flow [2024-02-05 10:34:10,728 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 152 places, 139 transitions, 302 flow [2024-02-05 10:34:10,741 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-05 10:34:10,749 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;@279f16e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-05 10:34:10,750 INFO L358 AbstractCegarLoop]: Starting to check reachability of 133 error locations. [2024-02-05 10:34:10,752 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-05 10:34:10,752 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-05 10:34:10,752 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-05 10:34:10,753 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:34:10,753 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-05 10:34:10,754 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 130 more)] === [2024-02-05 10:34:10,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:34:10,759 INFO L85 PathProgramCache]: Analyzing trace with hash 22468, now seen corresponding path program 1 times [2024-02-05 10:34:10,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:34:10,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063123496] [2024-02-05 10:34:10,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:34:10,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:34:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:34:11,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:34:11,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:34:11,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063123496] [2024-02-05 10:34:11,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063123496] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:34:11,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:34:11,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-05 10:34:11,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618111327] [2024-02-05 10:34:11,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:34:11,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-05 10:34:11,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:34:11,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-05 10:34:11,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-05 10:34:11,172 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 144 [2024-02-05 10:34:11,175 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 139 transitions, 302 flow. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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) [2024-02-05 10:34:11,175 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:34:11,175 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 144 [2024-02-05 10:34:11,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:34:34,697 INFO L124 PetriNetUnfolderBase]: 175629/249502 cut-off events. [2024-02-05 10:34:34,699 INFO L125 PetriNetUnfolderBase]: For 3148/3148 co-relation queries the response was YES. [2024-02-05 10:34:35,242 INFO L83 FinitePrefix]: Finished finitePrefix Result has 487990 conditions, 249502 events. 175629/249502 cut-off events. For 3148/3148 co-relation queries the response was YES. Maximal size of possible extension queue 9582. Compared 2194766 event pairs, 175629 based on Foata normal form. 0/125443 useless extension candidates. Maximal degree in co-relation 458406. Up to 232199 conditions per place. [2024-02-05 10:34:36,957 INFO L140 encePairwiseOnDemand]: 128/144 looper letters, 80 selfloop transitions, 2 changer transitions 0/125 dead transitions. [2024-02-05 10:34:36,957 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 125 transitions, 438 flow [2024-02-05 10:34:36,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:34:36,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:34:36,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 237 transitions. [2024-02-05 10:34:36,971 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5486111111111112 [2024-02-05 10:34:36,973 INFO L175 Difference]: Start difference. First operand has 152 places, 139 transitions, 302 flow. Second operand 3 states and 237 transitions. [2024-02-05 10:34:36,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 125 transitions, 438 flow [2024-02-05 10:34:38,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 125 transitions, 422 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-02-05 10:34:38,540 INFO L231 Difference]: Finished difference. Result has 132 places, 125 transitions, 262 flow [2024-02-05 10:34:38,542 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=258, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=262, PETRI_PLACES=132, PETRI_TRANSITIONS=125} [2024-02-05 10:34:38,548 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -20 predicate places. [2024-02-05 10:34:38,548 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 125 transitions, 262 flow [2024-02-05 10:34:38,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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) [2024-02-05 10:34:38,549 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:34:38,549 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-02-05 10:34:38,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-05 10:34:38,550 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 130 more)] === [2024-02-05 10:34:38,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:34:38,550 INFO L85 PathProgramCache]: Analyzing trace with hash 697273, now seen corresponding path program 1 times [2024-02-05 10:34:38,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:34:38,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814963201] [2024-02-05 10:34:38,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:34:38,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:34:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:34:38,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:34:38,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:34:38,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814963201] [2024-02-05 10:34:38,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814963201] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:34:38,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:34:38,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-05 10:34:38,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990070630] [2024-02-05 10:34:38,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:34:38,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-05 10:34:38,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:34:38,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-05 10:34:38,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-02-05 10:34:38,771 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 144 [2024-02-05 10:34:38,772 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 125 transitions, 262 flow. Second operand has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 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) [2024-02-05 10:34:38,772 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:34:38,773 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 144 [2024-02-05 10:34:38,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand