./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-bakery-2.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-bakery-2.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 59af5db6 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-bakery-2.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/parallel-bakery-2.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-59af5db-m [2024-02-02 09:20:02,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-02 09:20:02,500 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-02 09:20:02,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-02 09:20:02,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-02 09:20:02,528 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-02 09:20:02,529 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-02 09:20:02,529 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-02 09:20:02,530 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-02 09:20:02,533 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-02 09:20:02,533 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-02 09:20:02,533 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-02 09:20:02,534 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-02 09:20:02,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-02 09:20:02,535 INFO L153 SettingsManager]: * Use SBE=true [2024-02-02 09:20:02,536 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-02 09:20:02,536 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-02 09:20:02,536 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-02 09:20:02,536 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-02 09:20:02,537 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-02 09:20:02,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-02 09:20:02,538 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-02 09:20:02,538 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-02 09:20:02,538 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-02 09:20:02,539 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-02 09:20:02,539 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-02 09:20:02,539 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-02 09:20:02,539 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-02 09:20:02,540 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-02 09:20:02,540 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-02 09:20:02,541 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-02 09:20:02,541 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-02 09:20:02,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:20:02,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-02 09:20:02,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-02 09:20:02,542 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-02 09:20:02,542 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-02 09:20:02,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-02 09:20:02,542 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-02 09:20:02,543 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-02 09:20:02,543 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-02 09:20:02,543 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-02 09:20:02,543 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-02 09:20:02,543 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-02 09:20:02,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-02 09:20:02,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-02 09:20:02,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-02 09:20:02,788 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-02 09:20:02,789 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-02 09:20:02,790 INFO L431 ainManager$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-bakery-2.wvr.yml/witness.yml [2024-02-02 09:20:02,947 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-02 09:20:02,947 INFO L274 PluginConnector]: CDTParser initialized [2024-02-02 09:20:02,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c [2024-02-02 09:20:03,949 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-02 09:20:04,108 INFO L384 CDTParser]: Found 1 translation units. [2024-02-02 09:20:04,109 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c [2024-02-02 09:20:04,116 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/674fa4b3d/c69f5557d4c5427e820c7b6f6936d05e/FLAGe73d8ff48 [2024-02-02 09:20:04,134 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/674fa4b3d/c69f5557d4c5427e820c7b6f6936d05e [2024-02-02 09:20:04,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-02 09:20:04,136 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-02 09:20:04,138 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-02 09:20:04,138 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-02 09:20:04,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-02 09:20:04,142 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:20:02" (1/2) ... [2024-02-02 09:20:04,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25d940b0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:20:04, skipping insertion in model container [2024-02-02 09:20:04,143 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:20:02" (1/2) ... [2024-02-02 09:20:04,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@15144421 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:20:04, skipping insertion in model container [2024-02-02 09:20:04,145 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:20:04" (2/2) ... [2024-02-02 09:20:04,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25d940b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:20:04, skipping insertion in model container [2024-02-02 09:20:04,145 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:20:04" (2/2) ... [2024-02-02 09:20:04,146 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-02 09:20:04,186 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-02 09:20:04,187 INFO L101 nessWitnessExtractor]: Location invariant before [L66-L66] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,188 INFO L101 nessWitnessExtractor]: Location invariant before [L44-L44] ((e1 == (_Bool)1) && ((unsigned long )_argptr == 0UL)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,188 INFO L101 nessWitnessExtractor]: Location invariant before [L114-L114] ((((((e2 == (_Bool)0) && (n1 == 0)) && (n2 == 0)) && (i == 0)) && (i1 == 0)) && (i2 == 0)) && (e1 == (_Bool)0 || e1 == (_Bool)1) [2024-02-02 09:20:04,188 INFO L101 nessWitnessExtractor]: Location invariant before [L81-L81] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,188 INFO L101 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-02-02 09:20:04,188 INFO L101 nessWitnessExtractor]: Location invariant before [L86-L86] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,188 INFO L101 nessWitnessExtractor]: Location invariant before [L100-L100] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,188 INFO L101 nessWitnessExtractor]: Location invariant before [L63-L63] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,188 INFO L101 nessWitnessExtractor]: Location invariant before [L68-L68] (unsigned long )_argptr == 0UL [2024-02-02 09:20:04,189 INFO L101 nessWitnessExtractor]: Location invariant before [L69-L69] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,189 INFO L101 nessWitnessExtractor]: Location invariant before [L106-L106] (unsigned long )_argptr == 0UL [2024-02-02 09:20:04,189 INFO L101 nessWitnessExtractor]: Location invariant before [L99-L99] (unsigned long )_argptr == 0UL [2024-02-02 09:20:04,189 INFO L101 nessWitnessExtractor]: Location invariant before [L118-L118] (((i1 == 0) && (i2 == 0)) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,189 INFO L101 nessWitnessExtractor]: Location invariant before [L98-L98] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,189 INFO L101 nessWitnessExtractor]: Location invariant after [L18-L19] (((((((e2 == (_Bool)0) && (n1 == 0)) && (n2 == 0)) && (i == 0)) && (i1 == 0)) && (i2 == 0)) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (val == (_Bool)0 || val == (_Bool)1) [2024-02-02 09:20:04,189 INFO L101 nessWitnessExtractor]: Location invariant before [L43-L43] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,190 INFO L101 nessWitnessExtractor]: Location invariant before [L124-L124] (e1 == (_Bool)0 || e1 == (_Bool)1) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,190 INFO L101 nessWitnessExtractor]: Location invariant before [L78-L78] ((e2 == (_Bool)1) && ((unsigned long )_argptr == 0UL)) && (e1 == (_Bool)0 || e1 == (_Bool)1) [2024-02-02 09:20:04,190 INFO L101 nessWitnessExtractor]: Location invariant before [L50-L50] (((-2147483647 <= n1) && ((unsigned long )_argptr == 0UL)) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,190 INFO L101 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-02-02 09:20:04,190 INFO L101 nessWitnessExtractor]: Location invariant before [L51-L51] (unsigned long )_argptr == 0UL [2024-02-02 09:20:04,190 INFO L101 nessWitnessExtractor]: Location invariant before [L67-L67] (((-2147483647 <= i) && ((unsigned long )_argptr == 0UL)) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,191 INFO L101 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-02-02 09:20:04,191 INFO L101 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-02-02 09:20:04,191 INFO L101 nessWitnessExtractor]: Location invariant before [L87-L87] ((e2 == (_Bool)0) && ((unsigned long )_argptr == 0UL)) && (e1 == (_Bool)0 || e1 == (_Bool)1) [2024-02-02 09:20:04,191 INFO L101 nessWitnessExtractor]: Location invariant before [L77-L77] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,191 INFO L101 nessWitnessExtractor]: Location invariant before [L60-L60] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,191 INFO L101 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-02-02 09:20:04,192 INFO L101 nessWitnessExtractor]: Location invariant before [L64-L64] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,192 INFO L101 nessWitnessExtractor]: Location invariant before [L22-L25] ((i2 == 0) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,192 INFO L101 nessWitnessExtractor]: Location invariant before [L116-L116] (((((n2 == 0) && (i == 0)) && (i1 == 0)) && (i2 == 0)) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,192 INFO L101 nessWitnessExtractor]: Location invariant before [L53-L53] ((e1 == (_Bool)0) && ((unsigned long )_argptr == 0UL)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,192 INFO L101 nessWitnessExtractor]: Location invariant before [L104-L104] (((n2 == 0) && ((unsigned long )_argptr == 0UL)) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,192 INFO L101 nessWitnessExtractor]: Location invariant before [L82-L82] (unsigned long )_argptr == 0UL [2024-02-02 09:20:04,192 INFO L101 nessWitnessExtractor]: Location invariant before [L47-L47] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,193 INFO L101 nessWitnessExtractor]: Location invariant before [L56-L56] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,193 INFO L101 nessWitnessExtractor]: Location invariant before [L85-L85] (unsigned long )_argptr == 0UL [2024-02-02 09:20:04,193 INFO L101 nessWitnessExtractor]: Location invariant before [L91-L91] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,194 INFO L101 nessWitnessExtractor]: Location invariant before [L119-L119] ((i2 == 0) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,194 INFO L101 nessWitnessExtractor]: Location invariant before [L93-L93] ((((unsigned long )_argptr == 0UL) && (n1 != 0)) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,195 INFO L101 nessWitnessExtractor]: Location invariant before [L103-L103] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,195 INFO L101 nessWitnessExtractor]: Location invariant before [L115-L115] ((((((n1 == 0) && (n2 == 0)) && (i == 0)) && (i1 == 0)) && (i2 == 0)) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,195 INFO L101 nessWitnessExtractor]: Location invariant before [L101-L101] (((-2147483647 <= i) && ((unsigned long )_argptr == 0UL)) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,195 INFO L101 nessWitnessExtractor]: Location invariant before [L97-L97] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,195 INFO L101 nessWitnessExtractor]: Location invariant before [L84-L84] (((-2147483647 <= n2) && ((unsigned long )_argptr == 0UL)) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,195 INFO L101 nessWitnessExtractor]: Location invariant before [L96-L96] (unsigned long )_argptr == 0UL [2024-02-02 09:20:04,196 INFO L101 nessWitnessExtractor]: Location invariant before [L113-L113] ((((((e1 == (_Bool)0) && (e2 == (_Bool)0)) && (n1 == 0)) && (n2 == 0)) && (i == 0)) && (i1 == 0)) && (i2 == 0) [2024-02-02 09:20:04,196 INFO L101 nessWitnessExtractor]: Location invariant before [L65-L65] (unsigned long )_argptr == 0UL [2024-02-02 09:20:04,196 INFO L101 nessWitnessExtractor]: Location invariant before [L59-L59] ((((unsigned long )_argptr == 0UL) && (n2 != 0)) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,196 INFO L101 nessWitnessExtractor]: Location invariant before [L89-L89] (unsigned long )_argptr == 0UL [2024-02-02 09:20:04,196 INFO L101 nessWitnessExtractor]: Location invariant before [L94-L94] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,196 INFO L101 nessWitnessExtractor]: Location invariant before [L55-L55] (unsigned long )_argptr == 0UL [2024-02-02 09:20:04,197 INFO L101 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-02-02 09:20:04,197 INFO L101 nessWitnessExtractor]: Location invariant before [L49-L49] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,197 INFO L101 nessWitnessExtractor]: Location invariant before [L102-L102] (unsigned long )_argptr == 0UL [2024-02-02 09:20:04,197 INFO L101 nessWitnessExtractor]: Location invariant before [L83-L83] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,198 INFO L101 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-02-02 09:20:04,198 INFO L101 nessWitnessExtractor]: Location invariant before [L70-L70] (((n1 == 0) && ((unsigned long )_argptr == 0UL)) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,198 INFO L101 nessWitnessExtractor]: Location invariant before [L92-L92] (unsigned long )_argptr == 0UL [2024-02-02 09:20:04,198 INFO L101 nessWitnessExtractor]: Location invariant before [L117-L117] ((((i == 0) && (i1 == 0)) && (i2 == 0)) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,199 INFO L101 nessWitnessExtractor]: Location invariant before [L52-L52] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,199 INFO L101 nessWitnessExtractor]: Location invariant before [L57-L57] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,199 INFO L101 nessWitnessExtractor]: Location invariant before [L90-L90] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-02-02 09:20:04,199 INFO L101 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-02-02 09:20:04,199 INFO L101 nessWitnessExtractor]: Location invariant before [L122-L122] (i == 0) && ((e1 == (_Bool)0 && (e2 == (_Bool)0 || (e2 == (_Bool)0 || e2 == (_Bool)1))) || ((e1 == (_Bool)0 || e1 == (_Bool)1) && (e2 == (_Bool)0 || e2 == (_Bool)1))) [2024-02-02 09:20:04,220 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-02 09:20:04,424 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-bakery-2.wvr.c[3538,3551] [2024-02-02 09:20:04,431 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:20:04,438 INFO L202 MainTranslator]: Completed pre-run [2024-02-02 09:20:04,446 WARN L424 MainDispatcher]: Unable to annotate __assert_fail(const char *__assertion, const char *__file, unsigned int __line, const char *__function) with a witness entry [2024-02-02 09:20:04,448 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 [2024-02-02 09:20:04,556 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-bakery-2.wvr.c[3538,3551] [2024-02-02 09:20:04,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:20:04,574 INFO L206 MainTranslator]: Completed translation [2024-02-02 09:20:04,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:20:04 WrapperNode [2024-02-02 09:20:04,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-02 09:20:04,576 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-02 09:20:04,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-02 09:20:04,576 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-02 09:20:04,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:20:04" (1/1) ... [2024-02-02 09:20:04,590 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:20:04" (1/1) ... [2024-02-02 09:20:04,630 INFO L138 Inliner]: procedures = 21, calls = 60, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 219 [2024-02-02 09:20:04,631 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-02 09:20:04,631 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-02 09:20:04,631 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-02 09:20:04,631 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-02 09:20:04,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:20:04" (1/1) ... [2024-02-02 09:20:04,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:20:04" (1/1) ... [2024-02-02 09:20:04,650 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:20:04" (1/1) ... [2024-02-02 09:20:04,676 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-02-02 09:20:04,676 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:20:04" (1/1) ... [2024-02-02 09:20:04,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:20:04" (1/1) ... [2024-02-02 09:20:04,688 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:20:04" (1/1) ... [2024-02-02 09:20:04,695 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:20:04" (1/1) ... [2024-02-02 09:20:04,696 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:20:04" (1/1) ... [2024-02-02 09:20:04,701 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:20:04" (1/1) ... [2024-02-02 09:20:04,704 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-02 09:20:04,706 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-02 09:20:04,706 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-02 09:20:04,707 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-02 09:20:04,707 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:20:04" (1/1) ... [2024-02-02 09:20:04,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:20:04,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-02 09:20:04,731 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) [2024-02-02 09:20:04,751 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 [2024-02-02 09:20:04,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-02 09:20:04,768 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-02 09:20:04,768 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-02 09:20:04,768 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-02 09:20:04,768 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-02 09:20:04,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-02 09:20:04,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-02 09:20:04,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-02 09:20:04,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-02 09:20:04,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-02 09:20:04,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-02 09:20:04,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-02 09:20:04,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-02 09:20:04,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-02 09:20:04,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-02 09:20:04,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-02 09:20:04,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-02 09:20:04,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-02 09:20:04,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-02 09:20:04,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-02 09:20:04,772 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-02 09:20:04,866 INFO L244 CfgBuilder]: Building ICFG [2024-02-02 09:20:04,868 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-02 09:20:05,331 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-02 09:20:05,331 INFO L293 CfgBuilder]: Performing block encoding [2024-02-02 09:20:05,536 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-02 09:20:05,537 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-02 09:20:05,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:20:05 BoogieIcfgContainer [2024-02-02 09:20:05,538 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-02 09:20:05,540 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-02 09:20:05,540 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-02 09:20:05,542 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-02 09:20:05,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:20:02" (1/4) ... [2024-02-02 09:20:05,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c5d3263 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:20:05, skipping insertion in model container [2024-02-02 09:20:05,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:20:04" (2/4) ... [2024-02-02 09:20:05,544 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c5d3263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:20:05, skipping insertion in model container [2024-02-02 09:20:05,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:20:04" (3/4) ... [2024-02-02 09:20:05,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c5d3263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:20:05, skipping insertion in model container [2024-02-02 09:20:05,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:20:05" (4/4) ... [2024-02-02 09:20:05,546 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bakery-2.wvr.c [2024-02-02 09:20:05,561 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-02 09:20:05,561 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2024-02-02 09:20:05,561 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-02 09:20:05,679 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-02 09:20:05,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 132 places, 125 transitions, 264 flow [2024-02-02 09:20:05,757 INFO L124 PetriNetUnfolderBase]: 0/123 cut-off events. [2024-02-02 09:20:05,758 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-02 09:20:05,759 INFO L83 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 123 events. 0/123 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 289 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-02-02 09:20:05,760 INFO L82 GeneralOperation]: Start removeDead. Operand has 132 places, 125 transitions, 264 flow [2024-02-02 09:20:05,765 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 129 places, 122 transitions, 256 flow [2024-02-02 09:20:05,776 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-02 09:20:05,783 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;@29a8fd1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-02 09:20:05,783 INFO L358 AbstractCegarLoop]: Starting to check reachability of 120 error locations. [2024-02-02 09:20:05,785 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-02 09:20:05,785 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-02 09:20:05,785 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:20:05,786 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:20:05,786 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-02 09:20:05,786 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 117 more)] === [2024-02-02 09:20:05,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:20:05,790 INFO L85 PathProgramCache]: Analyzing trace with hash 18821, now seen corresponding path program 1 times [2024-02-02 09:20:05,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:20:05,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604732197] [2024-02-02 09:20:05,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:20:05,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:20:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:20:06,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:20:06,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:20:06,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604732197] [2024-02-02 09:20:06,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604732197] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:20:06,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:20:06,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-02 09:20:06,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239571639] [2024-02-02 09:20:06,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:20:06,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:20:06,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:20:06,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:20:06,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:20:06,210 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 125 [2024-02-02 09:20:06,213 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 122 transitions, 256 flow. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 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) [2024-02-02 09:20:06,217 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:20:06,217 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 125 [2024-02-02 09:20:06,218 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:20:06,815 INFO L124 PetriNetUnfolderBase]: 1449/2966 cut-off events. [2024-02-02 09:20:06,815 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-02-02 09:20:06,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5564 conditions, 2966 events. 1449/2966 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 22970 event pairs, 1449 based on Foata normal form. 0/1547 useless extension candidates. Maximal degree in co-relation 5320. Up to 2525 conditions per place. [2024-02-02 09:20:06,837 INFO L140 encePairwiseOnDemand]: 110/125 looper letters, 66 selfloop transitions, 2 changer transitions 0/109 dead transitions. [2024-02-02 09:20:06,838 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 109 transitions, 366 flow [2024-02-02 09:20:06,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:20:06,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:20:06,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 210 transitions. [2024-02-02 09:20:06,849 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.56 [2024-02-02 09:20:06,851 INFO L175 Difference]: Start difference. First operand has 129 places, 122 transitions, 256 flow. Second operand 3 states and 210 transitions. [2024-02-02 09:20:06,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 109 transitions, 366 flow [2024-02-02 09:20:06,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 109 transitions, 358 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-02 09:20:06,860 INFO L231 Difference]: Finished difference. Result has 114 places, 109 transitions, 226 flow [2024-02-02 09:20:06,861 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=226, PETRI_PLACES=114, PETRI_TRANSITIONS=109} [2024-02-02 09:20:06,864 INFO L281 CegarLoopForPetriNet]: 129 programPoint places, -15 predicate places. [2024-02-02 09:20:06,864 INFO L495 AbstractCegarLoop]: Abstraction has has 114 places, 109 transitions, 226 flow [2024-02-02 09:20:06,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 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) [2024-02-02 09:20:06,865 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:20:06,865 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-02-02 09:20:06,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-02 09:20:06,865 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 117 more)] === [2024-02-02 09:20:06,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:20:06,866 INFO L85 PathProgramCache]: Analyzing trace with hash 584060, now seen corresponding path program 1 times [2024-02-02 09:20:06,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:20:06,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729877923] [2024-02-02 09:20:06,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:20:06,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:20:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-02 09:20:06,886 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-02 09:20:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-02 09:20:06,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-02 09:20:06,923 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-02 09:20:06,925 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 120 remaining) [2024-02-02 09:20:06,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 120 remaining) [2024-02-02 09:20:06,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 120 remaining) [2024-02-02 09:20:06,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 120 remaining) [2024-02-02 09:20:06,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 120 remaining) [2024-02-02 09:20:06,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 120 remaining) [2024-02-02 09:20:06,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 120 remaining) [2024-02-02 09:20:06,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 120 remaining) [2024-02-02 09:20:06,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 120 remaining) [2024-02-02 09:20:06,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 120 remaining) [2024-02-02 09:20:06,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 120 remaining) [2024-02-02 09:20:06,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 120 remaining) [2024-02-02 09:20:06,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 120 remaining) [2024-02-02 09:20:06,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 120 remaining) [2024-02-02 09:20:06,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 120 remaining) [2024-02-02 09:20:06,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 120 remaining) [2024-02-02 09:20:06,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 120 remaining) [2024-02-02 09:20:06,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 120 remaining) [2024-02-02 09:20:06,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 120 remaining) [2024-02-02 09:20:06,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 120 remaining) [2024-02-02 09:20:06,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 120 remaining) [2024-02-02 09:20:06,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 120 remaining) [2024-02-02 09:20:06,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 120 remaining) [2024-02-02 09:20:06,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 120 remaining) [2024-02-02 09:20:06,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 120 remaining) [2024-02-02 09:20:06,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 120 remaining) [2024-02-02 09:20:06,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 120 remaining) [2024-02-02 09:20:06,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 120 remaining) [2024-02-02 09:20:06,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 120 remaining) [2024-02-02 09:20:06,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 120 remaining) [2024-02-02 09:20:06,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 120 remaining) [2024-02-02 09:20:06,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 120 remaining) [2024-02-02 09:20:06,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 120 remaining) [2024-02-02 09:20:06,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 120 remaining) [2024-02-02 09:20:06,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 120 remaining) [2024-02-02 09:20:06,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 120 remaining) [2024-02-02 09:20:06,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 120 remaining) [2024-02-02 09:20:06,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 120 remaining) [2024-02-02 09:20:06,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 120 remaining) [2024-02-02 09:20:06,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 120 remaining) [2024-02-02 09:20:06,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 120 remaining) [2024-02-02 09:20:06,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 120 remaining) [2024-02-02 09:20:06,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 120 remaining) [2024-02-02 09:20:06,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 120 remaining) [2024-02-02 09:20:06,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 120 remaining) [2024-02-02 09:20:06,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 120 remaining) [2024-02-02 09:20:06,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 120 remaining) [2024-02-02 09:20:06,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err19ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 120 remaining) [2024-02-02 09:20:06,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err20ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 120 remaining) [2024-02-02 09:20:06,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err21ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 120 remaining) [2024-02-02 09:20:06,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err22ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 120 remaining) [2024-02-02 09:20:06,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err23ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 120 remaining) [2024-02-02 09:20:06,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err24ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 120 remaining) [2024-02-02 09:20:06,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err25ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 120 remaining) [2024-02-02 09:20:06,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err26ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 120 remaining) [2024-02-02 09:20:06,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 120 remaining) [2024-02-02 09:20:06,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 120 remaining) [2024-02-02 09:20:06,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 120 remaining) [2024-02-02 09:20:06,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 120 remaining) [2024-02-02 09:20:06,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 120 remaining) [2024-02-02 09:20:06,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 120 remaining) [2024-02-02 09:20:06,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 120 remaining) [2024-02-02 09:20:06,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 120 remaining) [2024-02-02 09:20:06,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (56 of 120 remaining) [2024-02-02 09:20:06,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (55 of 120 remaining) [2024-02-02 09:20:06,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (54 of 120 remaining) [2024-02-02 09:20:06,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 120 remaining) [2024-02-02 09:20:06,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 120 remaining) [2024-02-02 09:20:06,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 120 remaining) [2024-02-02 09:20:06,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 120 remaining) [2024-02-02 09:20:06,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 120 remaining) [2024-02-02 09:20:06,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 120 remaining) [2024-02-02 09:20:06,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 120 remaining) [2024-02-02 09:20:06,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 120 remaining) [2024-02-02 09:20:06,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 120 remaining) [2024-02-02 09:20:06,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 120 remaining) [2024-02-02 09:20:06,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 120 remaining) [2024-02-02 09:20:06,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 120 remaining) [2024-02-02 09:20:06,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 120 remaining) [2024-02-02 09:20:06,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 120 remaining) [2024-02-02 09:20:06,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 120 remaining) [2024-02-02 09:20:06,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 120 remaining) [2024-02-02 09:20:06,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 120 remaining) [2024-02-02 09:20:06,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 120 remaining) [2024-02-02 09:20:06,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 120 remaining) [2024-02-02 09:20:06,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 120 remaining) [2024-02-02 09:20:06,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 120 remaining) [2024-02-02 09:20:06,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 120 remaining) [2024-02-02 09:20:06,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 120 remaining) [2024-02-02 09:20:06,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 120 remaining) [2024-02-02 09:20:06,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 120 remaining) [2024-02-02 09:20:06,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 120 remaining) [2024-02-02 09:20:06,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 120 remaining) [2024-02-02 09:20:06,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 120 remaining) [2024-02-02 09:20:06,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 120 remaining) [2024-02-02 09:20:06,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 120 remaining) [2024-02-02 09:20:06,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 120 remaining) [2024-02-02 09:20:06,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 120 remaining) [2024-02-02 09:20:06,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 120 remaining) [2024-02-02 09:20:06,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 120 remaining) [2024-02-02 09:20:06,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 120 remaining) [2024-02-02 09:20:06,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 120 remaining) [2024-02-02 09:20:06,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 120 remaining) [2024-02-02 09:20:06,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 120 remaining) [2024-02-02 09:20:06,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 120 remaining) [2024-02-02 09:20:06,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 120 remaining) [2024-02-02 09:20:06,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 120 remaining) [2024-02-02 09:20:06,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 120 remaining) [2024-02-02 09:20:06,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 120 remaining) [2024-02-02 09:20:06,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 120 remaining) [2024-02-02 09:20:06,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 120 remaining) [2024-02-02 09:20:06,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 120 remaining) [2024-02-02 09:20:06,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err19ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 120 remaining) [2024-02-02 09:20:06,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err20ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 120 remaining) [2024-02-02 09:20:06,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err21ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 120 remaining) [2024-02-02 09:20:06,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err22ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 120 remaining) [2024-02-02 09:20:06,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err23ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 120 remaining) [2024-02-02 09:20:06,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err24ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 120 remaining) [2024-02-02 09:20:06,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err25ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 120 remaining) [2024-02-02 09:20:06,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err26ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 120 remaining) [2024-02-02 09:20:06,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-02 09:20:06,960 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-02 09:20:06,967 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-02 09:20:06,967 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-02 09:20:06,980 INFO L503 ceAbstractionStarter]: Automizer considered 63 witness invariants [2024-02-02 09:20:06,981 INFO L504 ceAbstractionStarter]: WitnessConsidered=63 [2024-02-02 09:20:06,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.02 09:20:06 BasicIcfg [2024-02-02 09:20:06,981 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-02 09:20:06,982 INFO L158 Benchmark]: Toolchain (without parser) took 2846.29ms. Allocated memory was 155.2MB in the beginning and 362.8MB in the end (delta: 207.6MB). Free memory was 73.6MB in the beginning and 289.4MB in the end (delta: -215.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:20:06,984 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 155.2MB. Free memory was 107.2MB in the beginning and 107.1MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:20:06,984 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 155.2MB. Free memory is still 119.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:20:06,985 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.98ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 73.4MB in the beginning and 182.0MB in the end (delta: -108.6MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2024-02-02 09:20:06,985 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.19ms. Allocated memory is still 224.4MB. Free memory was 182.0MB in the beginning and 178.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-02 09:20:06,985 INFO L158 Benchmark]: Boogie Preprocessor took 74.15ms. Allocated memory is still 224.4MB. Free memory was 178.9MB in the beginning and 175.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-02 09:20:06,986 INFO L158 Benchmark]: RCFGBuilder took 832.27ms. Allocated memory is still 224.4MB. Free memory was 175.7MB in the beginning and 82.4MB in the end (delta: 93.3MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. [2024-02-02 09:20:06,987 INFO L158 Benchmark]: TraceAbstraction took 1441.59ms. Allocated memory was 224.4MB in the beginning and 362.8MB in the end (delta: 138.4MB). Free memory was 82.4MB in the beginning and 289.4MB in the end (delta: -207.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:20:06,988 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 155.2MB. Free memory was 107.2MB in the beginning and 107.1MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 155.2MB. Free memory is still 119.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.98ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 73.4MB in the beginning and 182.0MB in the end (delta: -108.6MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.19ms. Allocated memory is still 224.4MB. Free memory was 182.0MB in the beginning and 178.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.15ms. Allocated memory is still 224.4MB. Free memory was 178.9MB in the beginning and 175.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 832.27ms. Allocated memory is still 224.4MB. Free memory was 175.7MB in the beginning and 82.4MB in the end (delta: 93.3MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1441.59ms. Allocated memory was 224.4MB in the beginning and 362.8MB in the end (delta: 138.4MB). Free memory was 82.4MB in the beginning and 289.4MB in the end (delta: -207.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 114]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] _Bool e1, e2; [L39] int n1, n2, i, i1, i2; [L110] pthread_t t1, t2; VAL [e1=0, e2=0, i=0, i=0, i=0, n1=0, n2=0, t1={3:0}, t2={5:0}] [L113] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[e1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[e2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[n1],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[n2],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[i1],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[i2],IntegerLiteral[0]]]]] [L113] e1 = __VERIFIER_nondet_bool() [L114] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[e2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[n1],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[n2],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[i1],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[i2],IntegerLiteral[0]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[e1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[e1],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]]] VAL [e1=2, e2=0, i=0, i=0, i=0, n1=0, n2=0, t1={3:0}, t2={5:0}] - UnprovableResult [Line: 42]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 58]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 78]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 79]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 82]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 96]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 97]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 98]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 100]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 101]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 102]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 103]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 106]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 115]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 117]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 118]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 119]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 122]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 124]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 130]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 125]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 124]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 224 locations, 120 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 127 IncrementalHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 8 mSDtfsCounter, 127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=256occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-02-02 09:20:07,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE