./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-misc-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-misc-2.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ab2e0ac4 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/parallel-misc-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-ab2e0ac-m [2024-01-29 14:18:37,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 14:18:37,562 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 14:18:37,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 14:18:37,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 14:18:37,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 14:18:37,593 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 14:18:37,593 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 14:18:37,594 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 14:18:37,597 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 14:18:37,597 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 14:18:37,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 14:18:37,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 14:18:37,599 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 14:18:37,599 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 14:18:37,600 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 14:18:37,600 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 14:18:37,600 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 14:18:37,600 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 14:18:37,601 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 14:18:37,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 14:18:37,602 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 14:18:37,602 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 14:18:37,602 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 14:18:37,603 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 14:18:37,603 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 14:18:37,603 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 14:18:37,603 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 14:18:37,604 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 14:18:37,604 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 14:18:37,605 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 14:18:37,605 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 14:18:37,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:18:37,605 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 14:18:37,605 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 14:18:37,606 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 14:18:37,606 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 14:18:37,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 14:18:37,606 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 14:18:37,606 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 14:18:37,606 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 14:18:37,607 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 14:18:37,607 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 14:18:37,607 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 14:18:37,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 14:18:37,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 14:18:37,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 14:18:37,851 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 14:18:37,852 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 14:18:37,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c [2024-01-29 14:18:38,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 14:18:39,086 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 14:18:39,087 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c [2024-01-29 14:18:39,093 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd6186c36/a2f9ac8317e848279cd95ed98e6896ff/FLAG207d8498f [2024-01-29 14:18:39,107 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd6186c36/a2f9ac8317e848279cd95ed98e6896ff [2024-01-29 14:18:39,109 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 14:18:39,110 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 14:18:39,112 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/parallel-misc-2.wvr.yml/witness.yml [2024-01-29 14:18:39,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 14:18:39,233 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 14:18:39,234 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 14:18:39,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 14:18:39,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 14:18:39,238 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:18:39" (1/2) ... [2024-01-29 14:18:39,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a29d278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:18:39, skipping insertion in model container [2024-01-29 14:18:39,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:18:39" (1/2) ... [2024-01-29 14:18:39,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@22154c3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:18:39, skipping insertion in model container [2024-01-29 14:18:39,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:18:39" (2/2) ... [2024-01-29 14:18:39,242 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a29d278 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:18:39, skipping insertion in model container [2024-01-29 14:18:39,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:18:39" (2/2) ... [2024-01-29 14:18:39,242 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 14:18:39,267 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 14:18:39,269 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-01-29 14:18:39,269 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] d1 == (_Bool)0 [2024-01-29 14:18:39,269 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] N == 0U [2024-01-29 14:18:39,269 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] d2 == (_Bool)0 [2024-01-29 14:18:39,269 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-01-29 14:18:39,270 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] (unsigned long )_argptr == 0UL [2024-01-29 14:18:39,270 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] i2 == 0U [2024-01-29 14:18:39,270 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] d2 == (_Bool)0 [2024-01-29 14:18:39,270 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] N == 0U [2024-01-29 14:18:39,270 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] d1 == (_Bool)0 [2024-01-29 14:18:39,271 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-29 14:18:39,271 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] d1 == (_Bool)0 || d1 == (_Bool)1 [2024-01-29 14:18:39,271 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] d2 == (_Bool)0 [2024-01-29 14:18:39,271 INFO L98 nessWitnessExtractor]: Location invariant before [L46-L46] (unsigned long )_argptr == 0UL [2024-01-29 14:18:39,271 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] d1 == (_Bool)0 [2024-01-29 14:18:39,271 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] d2 == (_Bool)0 [2024-01-29 14:18:39,271 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (unsigned long )_argptr == 0UL [2024-01-29 14:18:39,271 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-01-29 14:18:39,272 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] d2 == (_Bool)0 || d2 == (_Bool)1 [2024-01-29 14:18:39,272 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] d1 == (_Bool)0 || d1 == (_Bool)1 [2024-01-29 14:18:39,272 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] d2 == (_Bool)0 [2024-01-29 14:18:39,272 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] N == 0U [2024-01-29 14:18:39,273 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] i2 == 0U [2024-01-29 14:18:39,273 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] i1 == 0U [2024-01-29 14:18:39,273 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] d1 == (_Bool)0 [2024-01-29 14:18:39,273 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] d2 == (_Bool)0 [2024-01-29 14:18:39,273 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] d1 == (_Bool)0 [2024-01-29 14:18:39,273 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] i2 == 0U [2024-01-29 14:18:39,273 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] pos == 0U [2024-01-29 14:18:39,273 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] N == 0U [2024-01-29 14:18:39,274 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] i1 == 0U [2024-01-29 14:18:39,274 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] (unsigned long )_argptr == 0UL [2024-01-29 14:18:39,274 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (unsigned long )_argptr == 0UL [2024-01-29 14:18:39,274 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L52] d1 == (_Bool)0 [2024-01-29 14:18:39,274 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L52] (unsigned long )_argptr == 0UL [2024-01-29 14:18:39,274 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L52] d2 == (_Bool)0 [2024-01-29 14:18:39,274 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L52] N == 0U [2024-01-29 14:18:39,275 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L71] (unsigned long )_argptr == 0UL [2024-01-29 14:18:39,276 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-01-29 14:18:39,276 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-29 14:18:39,276 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] d1 == (_Bool)0 || d1 == (_Bool)1 [2024-01-29 14:18:39,276 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] d2 == (_Bool)0 || d2 == (_Bool)1 [2024-01-29 14:18:39,276 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] (unsigned long )_argptr == 0UL [2024-01-29 14:18:39,276 INFO L98 nessWitnessExtractor]: Loop invariant at [L42-L55] (unsigned long )_argptr == 0UL [2024-01-29 14:18:39,276 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (unsigned long )_argptr == 0UL [2024-01-29 14:18:39,277 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-29 14:18:39,277 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (unsigned long )_argptr == 0UL [2024-01-29 14:18:39,277 INFO L98 nessWitnessExtractor]: Loop invariant at [L61-L74] (unsigned long )_argptr == 0UL [2024-01-29 14:18:39,277 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-29 14:18:39,277 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] (unsigned long )_argptr == 0UL [2024-01-29 14:18:39,277 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-29 14:18:39,278 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] d1 == (_Bool)0 || d1 == (_Bool)1 [2024-01-29 14:18:39,278 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] val == (_Bool)0 || val == (_Bool)1 [2024-01-29 14:18:39,278 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] d2 == (_Bool)0 [2024-01-29 14:18:39,296 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 14:18:39,480 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-misc-2.wvr.c[2580,2593] [2024-01-29 14:18:39,485 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:18:39,508 INFO L202 MainTranslator]: Completed pre-run [2024-01-29 14:18:39,518 WARN L424 MainDispatcher]: Unable to annotate __assert_fail(const char *__assertion, const char *__file, unsigned int __line, const char *__function) 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 [2024-01-29 14:18:39,648 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-misc-2.wvr.c[2580,2593] [2024-01-29 14:18:39,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:18:39,664 INFO L206 MainTranslator]: Completed translation [2024-01-29 14:18:39,696 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:18:39 WrapperNode [2024-01-29 14:18:39,696 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 14:18:39,697 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 14:18:39,698 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 14:18:39,698 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 14:18:39,703 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 29.01 02:18:39" (1/1) ... [2024-01-29 14:18:39,735 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 29.01 02:18:39" (1/1) ... [2024-01-29 14:18:39,774 INFO L138 Inliner]: procedures = 21, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-01-29 14:18:39,775 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 14:18:39,776 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 14:18:39,776 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 14:18:39,776 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 14:18:39,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:18:39" (1/1) ... [2024-01-29 14:18:39,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:18:39" (1/1) ... [2024-01-29 14:18:39,810 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:18:39" (1/1) ... [2024-01-29 14:18:39,834 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]. [2024-01-29 14:18:39,835 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:18:39" (1/1) ... [2024-01-29 14:18:39,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:18:39" (1/1) ... [2024-01-29 14:18:39,867 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:18:39" (1/1) ... [2024-01-29 14:18:39,870 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:18:39" (1/1) ... [2024-01-29 14:18:39,874 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:18:39" (1/1) ... [2024-01-29 14:18:39,876 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:18:39" (1/1) ... [2024-01-29 14:18:39,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 14:18:39,880 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 14:18:39,880 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 14:18:39,880 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 14:18:39,881 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:18:39" (1/1) ... [2024-01-29 14:18:39,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:18:39,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 14:18:39,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-29 14:18:39,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-29 14:18:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 14:18:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-29 14:18:39,961 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-29 14:18:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-29 14:18:39,961 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-29 14:18:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 14:18:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 14:18:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 14:18:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 14:18:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 14:18:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 14:18:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 14:18:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-29 14:18:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-29 14:18:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 14:18:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 14:18:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 14:18:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 14:18:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 14:18:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 14:18:39,965 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-29 14:18:40,058 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 14:18:40,060 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 14:18:40,339 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 14:18:40,340 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 14:18:40,446 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 14:18:40,446 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-01-29 14:18:40,447 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:18:40 BoogieIcfgContainer [2024-01-29 14:18:40,448 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 14:18:40,451 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 14:18:40,451 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 14:18:40,453 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 14:18:40,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 02:18:39" (1/4) ... [2024-01-29 14:18:40,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bdcb395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:18:40, skipping insertion in model container [2024-01-29 14:18:40,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:18:39" (2/4) ... [2024-01-29 14:18:40,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bdcb395 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:18:40, skipping insertion in model container [2024-01-29 14:18:40,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:18:39" (3/4) ... [2024-01-29 14:18:40,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bdcb395 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:18:40, skipping insertion in model container [2024-01-29 14:18:40,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:18:40" (4/4) ... [2024-01-29 14:18:40,457 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2.wvr.c [2024-01-29 14:18:40,471 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 14:18:40,472 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 54 error locations. [2024-01-29 14:18:40,472 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 14:18:40,533 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-29 14:18:40,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 128 places, 125 transitions, 264 flow [2024-01-29 14:18:40,628 INFO L124 PetriNetUnfolderBase]: 4/123 cut-off events. [2024-01-29 14:18:40,628 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-29 14:18:40,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 123 events. 4/123 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 278 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2024-01-29 14:18:40,632 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 125 transitions, 264 flow [2024-01-29 14:18:40,636 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 122 transitions, 256 flow [2024-01-29 14:18:40,648 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 14:18:40,655 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;@1de44ed6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 14:18:40,655 INFO L358 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2024-01-29 14:18:40,685 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 14:18:40,685 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 14:18:40,685 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:18:40,686 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:18:40,686 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 14:18:40,687 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (and 80 more)] === [2024-01-29 14:18:40,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:18:40,693 INFO L85 PathProgramCache]: Analyzing trace with hash 13584, now seen corresponding path program 1 times [2024-01-29 14:18:40,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:18:40,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174368099] [2024-01-29 14:18:40,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:18:40,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:18:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:18:40,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:18:40,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:18:40,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174368099] [2024-01-29 14:18:40,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174368099] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:18:40,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:18:40,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:18:40,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041263847] [2024-01-29 14:18:40,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:18:40,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:18:40,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:18:41,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:18:41,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:18:41,025 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 125 [2024-01-29 14:18:41,030 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 122 transitions, 256 flow. Second operand has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:18:41,030 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:18:41,031 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 125 [2024-01-29 14:18:41,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:18:41,268 INFO L124 PetriNetUnfolderBase]: 381/1131 cut-off events. [2024-01-29 14:18:41,269 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-01-29 14:18:41,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1708 conditions, 1131 events. 381/1131 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 7538 event pairs, 189 based on Foata normal form. 2/701 useless extension candidates. Maximal degree in co-relation 1518. Up to 545 conditions per place. [2024-01-29 14:18:41,282 INFO L140 encePairwiseOnDemand]: 117/125 looper letters, 31 selfloop transitions, 2 changer transitions 0/116 dead transitions. [2024-01-29 14:18:41,282 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 116 transitions, 310 flow [2024-01-29 14:18:41,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:18:41,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:18:41,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 294 transitions. [2024-01-29 14:18:41,300 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.784 [2024-01-29 14:18:41,302 INFO L175 Difference]: Start difference. First operand has 125 places, 122 transitions, 256 flow. Second operand 3 states and 294 transitions. [2024-01-29 14:18:41,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 116 transitions, 310 flow [2024-01-29 14:18:41,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 116 transitions, 302 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-29 14:18:41,309 INFO L231 Difference]: Finished difference. Result has 117 places, 116 transitions, 240 flow [2024-01-29 14:18:41,311 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=240, PETRI_PLACES=117, PETRI_TRANSITIONS=116} [2024-01-29 14:18:41,313 INFO L281 CegarLoopForPetriNet]: 125 programPoint places, -8 predicate places. [2024-01-29 14:18:41,314 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 116 transitions, 240 flow [2024-01-29 14:18:41,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:18:41,314 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:18:41,314 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-29 14:18:41,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 14:18:41,315 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (and 80 more)] === [2024-01-29 14:18:41,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:18:41,315 INFO L85 PathProgramCache]: Analyzing trace with hash 421520, now seen corresponding path program 1 times [2024-01-29 14:18:41,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:18:41,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162370447] [2024-01-29 14:18:41,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:18:41,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:18:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:18:41,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:18:41,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:18:41,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162370447] [2024-01-29 14:18:41,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162370447] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:18:41,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:18:41,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:18:41,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273572188] [2024-01-29 14:18:41,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:18:41,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:18:41,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:18:41,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:18:41,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:18:41,371 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 125 [2024-01-29 14:18:41,372 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 116 transitions, 240 flow. Second operand has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:18:41,372 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:18:41,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 125 [2024-01-29 14:18:41,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:18:41,482 INFO L124 PetriNetUnfolderBase]: 386/859 cut-off events. [2024-01-29 14:18:41,483 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-29 14:18:41,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1483 conditions, 859 events. 386/859 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 5202 event pairs, 267 based on Foata normal form. 4/555 useless extension candidates. Maximal degree in co-relation 1456. Up to 605 conditions per place. [2024-01-29 14:18:41,487 INFO L140 encePairwiseOnDemand]: 119/125 looper letters, 34 selfloop transitions, 2 changer transitions 0/112 dead transitions. [2024-01-29 14:18:41,487 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 112 transitions, 304 flow [2024-01-29 14:18:41,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:18:41,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:18:41,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 280 transitions. [2024-01-29 14:18:41,489 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7466666666666667 [2024-01-29 14:18:41,489 INFO L175 Difference]: Start difference. First operand has 117 places, 116 transitions, 240 flow. Second operand 3 states and 280 transitions. [2024-01-29 14:18:41,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 112 transitions, 304 flow [2024-01-29 14:18:41,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 112 transitions, 300 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:18:41,491 INFO L231 Difference]: Finished difference. Result has 113 places, 112 transitions, 232 flow [2024-01-29 14:18:41,491 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=232, PETRI_PLACES=113, PETRI_TRANSITIONS=112} [2024-01-29 14:18:41,492 INFO L281 CegarLoopForPetriNet]: 125 programPoint places, -12 predicate places. [2024-01-29 14:18:41,492 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 112 transitions, 232 flow [2024-01-29 14:18:41,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:18:41,492 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:18:41,492 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-29 14:18:41,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 14:18:41,493 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (and 80 more)] === [2024-01-29 14:18:41,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:18:41,493 INFO L85 PathProgramCache]: Analyzing trace with hash 13067568, now seen corresponding path program 1 times [2024-01-29 14:18:41,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:18:41,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623175147] [2024-01-29 14:18:41,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:18:41,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:18:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:18:41,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:18:41,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:18:41,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623175147] [2024-01-29 14:18:41,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623175147] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:18:41,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:18:41,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:18:41,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674249627] [2024-01-29 14:18:41,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:18:41,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:18:41,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:18:41,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:18:41,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:18:41,551 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 125 [2024-01-29 14:18:41,552 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 112 transitions, 232 flow. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:18:41,552 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:18:41,552 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 125 [2024-01-29 14:18:41,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:18:41,655 INFO L124 PetriNetUnfolderBase]: 381/1126 cut-off events. [2024-01-29 14:18:41,655 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-29 14:18:41,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1686 conditions, 1126 events. 381/1126 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 7568 event pairs, 189 based on Foata normal form. 1/700 useless extension candidates. Maximal degree in co-relation 1646. Up to 546 conditions per place. [2024-01-29 14:18:41,661 INFO L140 encePairwiseOnDemand]: 122/125 looper letters, 31 selfloop transitions, 2 changer transitions 0/111 dead transitions. [2024-01-29 14:18:41,662 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 111 transitions, 296 flow [2024-01-29 14:18:41,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:18:41,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:18:41,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 292 transitions. [2024-01-29 14:18:41,663 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7786666666666666 [2024-01-29 14:18:41,663 INFO L175 Difference]: Start difference. First operand has 113 places, 112 transitions, 232 flow. Second operand 3 states and 292 transitions. [2024-01-29 14:18:41,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 111 transitions, 296 flow [2024-01-29 14:18:41,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 111 transitions, 292 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:18:41,665 INFO L231 Difference]: Finished difference. Result has 112 places, 111 transitions, 230 flow [2024-01-29 14:18:41,666 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=230, PETRI_PLACES=112, PETRI_TRANSITIONS=111} [2024-01-29 14:18:41,666 INFO L281 CegarLoopForPetriNet]: 125 programPoint places, -13 predicate places. [2024-01-29 14:18:41,667 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 111 transitions, 230 flow [2024-01-29 14:18:41,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:18:41,667 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:18:41,667 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-29 14:18:41,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-29 14:18:41,667 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (and 80 more)] === [2024-01-29 14:18:41,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:18:41,668 INFO L85 PathProgramCache]: Analyzing trace with hash 405095102, now seen corresponding path program 1 times [2024-01-29 14:18:41,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:18:41,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606770175] [2024-01-29 14:18:41,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:18:41,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:18:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:18:41,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:18:41,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:18:41,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606770175] [2024-01-29 14:18:41,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606770175] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:18:41,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:18:41,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:18:41,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220898867] [2024-01-29 14:18:41,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:18:41,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:18:41,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:18:41,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:18:41,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:18:41,712 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 125 [2024-01-29 14:18:41,713 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 111 transitions, 230 flow. Second operand has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:18:41,713 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:18:41,713 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 125 [2024-01-29 14:18:41,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:18:41,824 INFO L124 PetriNetUnfolderBase]: 381/1123 cut-off events. [2024-01-29 14:18:41,825 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-29 14:18:41,827 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1683 conditions, 1123 events. 381/1123 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 7574 event pairs, 189 based on Foata normal form. 2/700 useless extension candidates. Maximal degree in co-relation 1667. Up to 544 conditions per place. [2024-01-29 14:18:41,831 INFO L140 encePairwiseOnDemand]: 120/125 looper letters, 31 selfloop transitions, 2 changer transitions 0/108 dead transitions. [2024-01-29 14:18:41,831 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 108 transitions, 290 flow [2024-01-29 14:18:41,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:18:41,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:18:41,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 288 transitions. [2024-01-29 14:18:41,833 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.768 [2024-01-29 14:18:41,833 INFO L175 Difference]: Start difference. First operand has 112 places, 111 transitions, 230 flow. Second operand 3 states and 288 transitions. [2024-01-29 14:18:41,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 108 transitions, 290 flow [2024-01-29 14:18:41,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 108 transitions, 286 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:18:41,835 INFO L231 Difference]: Finished difference. Result has 109 places, 108 transitions, 224 flow [2024-01-29 14:18:41,835 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=224, PETRI_PLACES=109, PETRI_TRANSITIONS=108} [2024-01-29 14:18:41,836 INFO L281 CegarLoopForPetriNet]: 125 programPoint places, -16 predicate places. [2024-01-29 14:18:41,836 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 108 transitions, 224 flow [2024-01-29 14:18:41,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:18:41,836 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:18:41,837 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-29 14:18:41,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-29 14:18:41,837 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (and 80 more)] === [2024-01-29 14:18:41,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:18:41,837 INFO L85 PathProgramCache]: Analyzing trace with hash -326953228, now seen corresponding path program 1 times [2024-01-29 14:18:41,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:18:41,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526136538] [2024-01-29 14:18:41,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:18:41,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:18:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:18:41,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:18:41,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:18:41,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526136538] [2024-01-29 14:18:41,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526136538] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:18:41,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:18:41,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:18:41,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214207227] [2024-01-29 14:18:41,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:18:41,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:18:41,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:18:41,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:18:41,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:18:41,889 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 125 [2024-01-29 14:18:41,889 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 108 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:18:41,889 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:18:41,890 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 125 [2024-01-29 14:18:41,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:18:42,015 INFO L124 PetriNetUnfolderBase]: 445/1204 cut-off events. [2024-01-29 14:18:42,016 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-29 14:18:42,017 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1867 conditions, 1204 events. 445/1204 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 8229 event pairs, 237 based on Foata normal form. 3/810 useless extension candidates. Maximal degree in co-relation 1839. Up to 643 conditions per place. [2024-01-29 14:18:42,021 INFO L140 encePairwiseOnDemand]: 118/125 looper letters, 36 selfloop transitions, 2 changer transitions 0/103 dead transitions. [2024-01-29 14:18:42,021 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 103 transitions, 290 flow [2024-01-29 14:18:42,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:18:42,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:18:42,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 274 transitions. [2024-01-29 14:18:42,022 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7306666666666667 [2024-01-29 14:18:42,023 INFO L175 Difference]: Start difference. First operand has 109 places, 108 transitions, 224 flow. Second operand 3 states and 274 transitions. [2024-01-29 14:18:42,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 103 transitions, 290 flow [2024-01-29 14:18:42,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 103 transitions, 286 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:18:42,025 INFO L231 Difference]: Finished difference. Result has 104 places, 103 transitions, 214 flow [2024-01-29 14:18:42,025 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=104, PETRI_TRANSITIONS=103} [2024-01-29 14:18:42,027 INFO L281 CegarLoopForPetriNet]: 125 programPoint places, -21 predicate places. [2024-01-29 14:18:42,027 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 103 transitions, 214 flow [2024-01-29 14:18:42,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:18:42,028 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:18:42,028 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:18:42,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-29 14:18:42,028 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (and 80 more)] === [2024-01-29 14:18:42,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:18:42,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1545615032, now seen corresponding path program 1 times [2024-01-29 14:18:42,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:18:42,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842510078] [2024-01-29 14:18:42,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:18:42,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:18:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:18:42,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:18:42,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:18:42,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842510078] [2024-01-29 14:18:42,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842510078] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:18:42,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:18:42,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:18:42,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282320860] [2024-01-29 14:18:42,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:18:42,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:18:42,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:18:42,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:18:42,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:18:42,106 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 125 [2024-01-29 14:18:42,106 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 103 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:18:42,107 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:18:42,107 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 125 [2024-01-29 14:18:42,107 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:18:42,211 INFO L124 PetriNetUnfolderBase]: 457/1228 cut-off events. [2024-01-29 14:18:42,211 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-29 14:18:42,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1904 conditions, 1228 events. 457/1228 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 8334 event pairs, 240 based on Foata normal form. 4/821 useless extension candidates. Maximal degree in co-relation 1872. Up to 656 conditions per place. [2024-01-29 14:18:42,218 INFO L140 encePairwiseOnDemand]: 117/125 looper letters, 35 selfloop transitions, 2 changer transitions 0/97 dead transitions. [2024-01-29 14:18:42,218 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 97 transitions, 276 flow [2024-01-29 14:18:42,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:18:42,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:18:42,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 274 transitions. [2024-01-29 14:18:42,220 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7306666666666667 [2024-01-29 14:18:42,220 INFO L175 Difference]: Start difference. First operand has 104 places, 103 transitions, 214 flow. Second operand 3 states and 274 transitions. [2024-01-29 14:18:42,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 97 transitions, 276 flow [2024-01-29 14:18:42,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 97 transitions, 272 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:18:42,221 INFO L231 Difference]: Finished difference. Result has 98 places, 97 transitions, 202 flow [2024-01-29 14:18:42,222 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=202, PETRI_PLACES=98, PETRI_TRANSITIONS=97} [2024-01-29 14:18:42,224 INFO L281 CegarLoopForPetriNet]: 125 programPoint places, -27 predicate places. [2024-01-29 14:18:42,224 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 97 transitions, 202 flow [2024-01-29 14:18:42,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:18:42,225 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:18:42,225 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:18:42,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-29 14:18:42,225 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (and 80 more)] === [2024-01-29 14:18:42,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:18:42,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1970886388, now seen corresponding path program 1 times [2024-01-29 14:18:42,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:18:42,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464866817] [2024-01-29 14:18:42,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:18:42,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:18:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 14:18:42,245 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-29 14:18:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 14:18:42,274 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-29 14:18:42,275 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-29 14:18:42,276 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 83 remaining) [2024-01-29 14:18:42,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 83 remaining) [2024-01-29 14:18:42,279 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 83 remaining) [2024-01-29 14:18:42,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 83 remaining) [2024-01-29 14:18:42,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 83 remaining) [2024-01-29 14:18:42,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 83 remaining) [2024-01-29 14:18:42,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 83 remaining) [2024-01-29 14:18:42,282 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 83 remaining) [2024-01-29 14:18:42,282 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 83 remaining) [2024-01-29 14:18:42,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 83 remaining) [2024-01-29 14:18:42,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 83 remaining) [2024-01-29 14:18:42,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 83 remaining) [2024-01-29 14:18:42,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 83 remaining) [2024-01-29 14:18:42,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 83 remaining) [2024-01-29 14:18:42,283 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 83 remaining) [2024-01-29 14:18:42,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 83 remaining) [2024-01-29 14:18:42,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 83 remaining) [2024-01-29 14:18:42,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 83 remaining) [2024-01-29 14:18:42,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 83 remaining) [2024-01-29 14:18:42,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 83 remaining) [2024-01-29 14:18:42,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 83 remaining) [2024-01-29 14:18:42,284 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 83 remaining) [2024-01-29 14:18:42,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 83 remaining) [2024-01-29 14:18:42,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 83 remaining) [2024-01-29 14:18:42,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 83 remaining) [2024-01-29 14:18:42,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 83 remaining) [2024-01-29 14:18:42,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 83 remaining) [2024-01-29 14:18:42,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 83 remaining) [2024-01-29 14:18:42,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 83 remaining) [2024-01-29 14:18:42,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 83 remaining) [2024-01-29 14:18:42,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 83 remaining) [2024-01-29 14:18:42,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 83 remaining) [2024-01-29 14:18:42,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 83 remaining) [2024-01-29 14:18:42,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 83 remaining) [2024-01-29 14:18:42,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 83 remaining) [2024-01-29 14:18:42,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 83 remaining) [2024-01-29 14:18:42,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 83 remaining) [2024-01-29 14:18:42,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 83 remaining) [2024-01-29 14:18:42,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 83 remaining) [2024-01-29 14:18:42,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 83 remaining) [2024-01-29 14:18:42,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 83 remaining) [2024-01-29 14:18:42,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 83 remaining) [2024-01-29 14:18:42,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 83 remaining) [2024-01-29 14:18:42,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 83 remaining) [2024-01-29 14:18:42,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 83 remaining) [2024-01-29 14:18:42,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 83 remaining) [2024-01-29 14:18:42,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 83 remaining) [2024-01-29 14:18:42,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 83 remaining) [2024-01-29 14:18:42,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 83 remaining) [2024-01-29 14:18:42,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 83 remaining) [2024-01-29 14:18:42,292 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 83 remaining) [2024-01-29 14:18:42,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 83 remaining) [2024-01-29 14:18:42,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 83 remaining) [2024-01-29 14:18:42,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION (29 of 83 remaining) [2024-01-29 14:18:42,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 83 remaining) [2024-01-29 14:18:42,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 83 remaining) [2024-01-29 14:18:42,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 83 remaining) [2024-01-29 14:18:42,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 83 remaining) [2024-01-29 14:18:42,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 83 remaining) [2024-01-29 14:18:42,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 83 remaining) [2024-01-29 14:18:42,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 83 remaining) [2024-01-29 14:18:42,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 83 remaining) [2024-01-29 14:18:42,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 83 remaining) [2024-01-29 14:18:42,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 83 remaining) [2024-01-29 14:18:42,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 83 remaining) [2024-01-29 14:18:42,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 83 remaining) [2024-01-29 14:18:42,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 83 remaining) [2024-01-29 14:18:42,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 83 remaining) [2024-01-29 14:18:42,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 83 remaining) [2024-01-29 14:18:42,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 83 remaining) [2024-01-29 14:18:42,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 83 remaining) [2024-01-29 14:18:42,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 83 remaining) [2024-01-29 14:18:42,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 83 remaining) [2024-01-29 14:18:42,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 83 remaining) [2024-01-29 14:18:42,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 83 remaining) [2024-01-29 14:18:42,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 83 remaining) [2024-01-29 14:18:42,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 83 remaining) [2024-01-29 14:18:42,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 83 remaining) [2024-01-29 14:18:42,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 83 remaining) [2024-01-29 14:18:42,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 83 remaining) [2024-01-29 14:18:42,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 83 remaining) [2024-01-29 14:18:42,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 83 remaining) [2024-01-29 14:18:42,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 83 remaining) [2024-01-29 14:18:42,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-29 14:18:42,300 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:18:42,307 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-29 14:18:42,307 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-29 14:18:42,340 INFO L503 ceAbstractionStarter]: Automizer considered 53 witness invariants [2024-01-29 14:18:42,341 INFO L504 ceAbstractionStarter]: WitnessConsidered=53 [2024-01-29 14:18:42,342 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 02:18:42 BasicIcfg [2024-01-29 14:18:42,342 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-29 14:18:42,343 INFO L158 Benchmark]: Toolchain (without parser) took 3109.49ms. Allocated memory was 140.5MB in the beginning and 216.0MB in the end (delta: 75.5MB). Free memory was 69.0MB in the beginning and 104.1MB in the end (delta: -35.1MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2024-01-29 14:18:42,343 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 140.5MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:18:42,343 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 140.5MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:18:42,344 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.65ms. Allocated memory is still 140.5MB. Free memory was 68.8MB in the beginning and 110.5MB in the end (delta: -41.7MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-01-29 14:18:42,345 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.63ms. Allocated memory is still 140.5MB. Free memory was 110.5MB in the beginning and 108.4MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-29 14:18:42,345 INFO L158 Benchmark]: Boogie Preprocessor took 103.48ms. Allocated memory is still 140.5MB. Free memory was 108.4MB in the beginning and 106.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 14:18:42,345 INFO L158 Benchmark]: RCFGBuilder took 567.94ms. Allocated memory is still 140.5MB. Free memory was 106.3MB in the beginning and 68.1MB in the end (delta: 38.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-01-29 14:18:42,345 INFO L158 Benchmark]: TraceAbstraction took 1891.37ms. Allocated memory was 140.5MB in the beginning and 216.0MB in the end (delta: 75.5MB). Free memory was 67.5MB in the beginning and 104.1MB in the end (delta: -36.6MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2024-01-29 14:18:42,346 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 140.5MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 140.5MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 462.65ms. Allocated memory is still 140.5MB. Free memory was 68.8MB in the beginning and 110.5MB in the end (delta: -41.7MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.63ms. Allocated memory is still 140.5MB. Free memory was 110.5MB in the beginning and 108.4MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.48ms. Allocated memory is still 140.5MB. Free memory was 108.4MB in the beginning and 106.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 567.94ms. Allocated memory is still 140.5MB. Free memory was 106.3MB in the beginning and 68.1MB in the end (delta: 38.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1891.37ms. Allocated memory was 140.5MB in the beginning and 216.0MB in the end (delta: 75.5MB). Free memory was 67.5MB in the beginning and 104.1MB in the end (delta: -36.6MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 88]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] unsigned int pos, i1, i2, N; [L39] _Bool d1, d2; [L80] pthread_t t1, t2; VAL [N=0, d1=0, d2=0, i1=0, i2=0, pos=0, t1={3:0}, t2={5:0}] [L83] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[i1],IntegerLiteral[0U]]]] VAL [N=0, d1=0, d2=0, i1=0, i2=0, pos=0, t1={3:0}, t2={5:0}] [L83] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0U]]]] VAL [N=0, d1=0, d2=0, i1=0, i2=0, pos=0, t1={3:0}, t2={5:0}] [L83] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[pos],IntegerLiteral[0U]]]] VAL [N=0, d1=0, d2=0, i1=0, i2=0, pos=0, t1={3:0}, t2={5:0}] [L83] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[i2],IntegerLiteral[0U]]]] VAL [N=0, d1=0, d2=0, i1=0, i2=0, pos=0, t1={3:0}, t2={5:0}] [L83] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[d1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]] VAL [N=0, d1=0, d2=0, i1=0, i2=0, pos=0, t1={3:0}, t2={5:0}] [L83] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[d2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]] [L83] pos = __VERIFIER_nondet_uint() [L84] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[d1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]] VAL [N=0, d1=0, d2=0, i1=0, i2=0, t1={3:0}, t2={5:0}] [L84] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[i1],IntegerLiteral[0U]]]] VAL [N=0, d1=0, d2=0, i1=0, i2=0, t1={3:0}, t2={5:0}] [L84] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[i2],IntegerLiteral[0U]]]] VAL [N=0, d1=0, d2=0, i1=0, i2=0, t1={3:0}, t2={5:0}] [L84] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0U]]]] VAL [N=0, d1=0, d2=0, i1=0, i2=0, t1={3:0}, t2={5:0}] [L84] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[d2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]] [L84] i1 = __VERIFIER_nondet_uint() [L85] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[d1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]] VAL [N=0, d1=0, d2=0, i2=0, t1={3:0}, t2={5:0}] [L85] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0U]]]] VAL [N=0, d1=0, d2=0, i2=0, t1={3:0}, t2={5:0}] [L85] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[d2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]] VAL [N=0, d1=0, d2=0, i2=0, t1={3:0}, t2={5:0}] [L85] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[i2],IntegerLiteral[0U]]]] [L85] i2 = __VERIFIER_nondet_uint() [L86] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[d2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]] VAL [N=0, d1=0, d2=0, t1={3:0}, t2={5:0}] [L86] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0U]]]] VAL [N=0, d1=0, d2=0, t1={3:0}, t2={5:0}] [L86] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[d1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]] [L86] N = __VERIFIER_nondet_uint() [L87] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[d2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]] VAL [d1=0, d2=0, t1={3:0}, t2={5:0}] [L87] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[d1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]] [L87] d1 = __VERIFIER_nondet_bool() [L88] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[d2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]] VAL [d2=0, t1={3:0}, t2={5:0}] [L88] CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[d1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[d1],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [d1=2, d2=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: 57]: 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: 43]: 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: 49]: 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: 46]: 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: 53]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - 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: 61]: 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: 76]: 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: 68]: 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: 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: 73]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 61]: 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: 83]: 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: 83]: 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: 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: 84]: 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: 84]: 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: 85]: 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: 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: 86]: 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: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 88]: 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: 91]: 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: 93]: 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 a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 93]: 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: 94]: 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, 182 locations, 83 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: 1.7s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 154 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 67 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 453 IncrementalHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 31 mSDtfsCounter, 453 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=256occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 87 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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! [2024-01-29 14:18:42,380 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