./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.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/popl20-threaded-sum-3.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/popl20-threaded-sum-3.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-threaded-sum-3.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 14:20:21,407 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 14:20:21,504 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 14:20:21,514 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 14:20:21,514 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 14:20:21,547 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 14:20:21,548 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 14:20:21,548 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 14:20:21,549 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 14:20:21,553 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 14:20:21,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 14:20:21,554 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 14:20:21,555 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 14:20:21,557 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 14:20:21,557 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 14:20:21,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 14:20:21,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 14:20:21,558 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 14:20:21,558 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 14:20:21,558 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 14:20:21,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 14:20:21,559 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 14:20:21,559 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 14:20:21,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 14:20:21,560 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 14:20:21,560 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 14:20:21,560 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 14:20:21,560 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 14:20:21,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 14:20:21,561 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 14:20:21,562 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 14:20:21,563 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 14:20:21,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:20:21,563 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 14:20:21,563 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 14:20:21,563 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 14:20:21,564 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 14:20:21,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 14:20:21,564 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 14:20:21,564 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 14:20:21,565 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 14:20:21,565 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 14:20:21,565 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 14:20:21,565 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 14:20:21,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 14:20:21,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 14:20:21,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 14:20:21,854 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 14:20:21,854 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 14:20:21,855 INFO L431 ainManager$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/popl20-threaded-sum-3.wvr.yml/witness.yml [2024-01-29 14:20:21,973 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 14:20:21,973 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 14:20:21,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2024-01-29 14:20:23,129 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 14:20:23,374 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 14:20:23,375 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2024-01-29 14:20:23,383 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/434b55eab/b36fe4da8f314b7295ae52a619b4ffa9/FLAGcf83b8e30 [2024-01-29 14:20:23,401 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/434b55eab/b36fe4da8f314b7295ae52a619b4ffa9 [2024-01-29 14:20:23,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 14:20:23,403 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 14:20:23,408 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 14:20:23,408 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 14:20:23,412 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 14:20:23,413 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:20:21" (1/2) ... [2024-01-29 14:20:23,416 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78579199 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:20:23, skipping insertion in model container [2024-01-29 14:20:23,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:20:21" (1/2) ... [2024-01-29 14:20:23,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e1dee75 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:20:23, skipping insertion in model container [2024-01-29 14:20:23,417 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:20:23" (2/2) ... [2024-01-29 14:20:23,418 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78579199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:23, skipping insertion in model container [2024-01-29 14:20:23,418 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:20:23" (2/2) ... [2024-01-29 14:20:23,419 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 14:20:23,442 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 14:20:23,446 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,446 INFO L98 nessWitnessExtractor]: Loop invariant at [L63-L73] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,447 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,447 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] t == 0U [2024-01-29 14:20:23,447 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] S == 0U [2024-01-29 14:20:23,448 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] T == 0U [2024-01-29 14:20:23,448 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] U == 0U [2024-01-29 14:20:23,448 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] c == 0U [2024-01-29 14:20:23,448 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] s == 0U [2024-01-29 14:20:23,449 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] m == 0U [2024-01-29 14:20:23,449 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] u == 0U [2024-01-29 14:20:23,449 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,449 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] t <= 4294967294U [2024-01-29 14:20:23,449 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,449 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,450 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,450 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] s <= 4294967294U [2024-01-29 14:20:23,450 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] u == 0U [2024-01-29 14:20:23,450 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] m == 0U [2024-01-29 14:20:23,450 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] c == 0U [2024-01-29 14:20:23,451 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] t == 0U [2024-01-29 14:20:23,451 INFO L98 nessWitnessExtractor]: Location invariant before [L105-L105] m == 0U [2024-01-29 14:20:23,451 INFO L98 nessWitnessExtractor]: Location invariant before [L105-L105] u == 0U [2024-01-29 14:20:23,452 INFO L98 nessWitnessExtractor]: Location invariant before [L105-L105] c == 0U [2024-01-29 14:20:23,452 INFO L98 nessWitnessExtractor]: Loop invariant at [L82-L92] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,452 INFO L98 nessWitnessExtractor]: Loop invariant at [L44-L54] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,452 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,452 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] 1U <= S [2024-01-29 14:20:23,453 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] m == 0U [2024-01-29 14:20:23,453 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] S != 0U [2024-01-29 14:20:23,453 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] c == 0U [2024-01-29 14:20:23,453 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,453 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,453 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,454 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,454 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] s != 4294967295U [2024-01-29 14:20:23,454 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] s <= 4294967294U [2024-01-29 14:20:23,454 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,456 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,456 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,456 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] 1U <= t [2024-01-29 14:20:23,456 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] t != 0U [2024-01-29 14:20:23,456 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] t <= 4294967294U [2024-01-29 14:20:23,456 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] t != 4294967295U [2024-01-29 14:20:23,457 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,457 INFO L98 nessWitnessExtractor]: Location invariant before [L102-L102] U == 0U [2024-01-29 14:20:23,457 INFO L98 nessWitnessExtractor]: Location invariant before [L102-L102] s == 0U [2024-01-29 14:20:23,457 INFO L98 nessWitnessExtractor]: Location invariant before [L102-L102] m == 0U [2024-01-29 14:20:23,458 INFO L98 nessWitnessExtractor]: Location invariant before [L102-L102] c == 0U [2024-01-29 14:20:23,458 INFO L98 nessWitnessExtractor]: Location invariant before [L102-L102] u == 0U [2024-01-29 14:20:23,458 INFO L98 nessWitnessExtractor]: Location invariant before [L102-L102] t == 0U [2024-01-29 14:20:23,458 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] s == 0U [2024-01-29 14:20:23,459 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,459 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,459 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] t == 0U [2024-01-29 14:20:23,460 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,460 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L68] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,461 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,461 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] s != 0U [2024-01-29 14:20:23,461 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,461 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] 1U <= s [2024-01-29 14:20:23,462 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,462 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,462 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,462 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,462 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] u == 0U [2024-01-29 14:20:23,462 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] U == 0U [2024-01-29 14:20:23,463 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] m == 0U [2024-01-29 14:20:23,463 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] t == 0U [2024-01-29 14:20:23,463 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] s == 0U [2024-01-29 14:20:23,464 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] c == 0U [2024-01-29 14:20:23,464 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] T == 0U [2024-01-29 14:20:23,464 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,464 INFO L98 nessWitnessExtractor]: Location invariant before [L41-L41] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,464 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] c == 0U [2024-01-29 14:20:23,464 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] m == 0U [2024-01-29 14:20:23,465 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] c == 0U [2024-01-29 14:20:23,465 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] s == 0U [2024-01-29 14:20:23,465 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] u == 0U [2024-01-29 14:20:23,465 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] t == 0U [2024-01-29 14:20:23,465 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] m == 0U [2024-01-29 14:20:23,465 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,466 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] t == 0U [2024-01-29 14:20:23,466 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,466 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] s == 0U [2024-01-29 14:20:23,466 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,466 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,466 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,466 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,467 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,467 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,467 INFO L98 nessWitnessExtractor]: Location invariant before [L46-L49] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,467 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] u == 0U [2024-01-29 14:20:23,467 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] t == 0U [2024-01-29 14:20:23,467 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] m == 0U [2024-01-29 14:20:23,468 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] U == 0U [2024-01-29 14:20:23,468 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] c == 0U [2024-01-29 14:20:23,468 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (unsigned long )_argptr == 0UL [2024-01-29 14:20:23,468 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] s == 0U [2024-01-29 14:20:23,494 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 14:20:23,640 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/popl20-threaded-sum-3.wvr.c[2996,3009] [2024-01-29 14:20:23,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:20:23,651 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local 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 14:20:23,722 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/popl20-threaded-sum-3.wvr.c[2996,3009] [2024-01-29 14:20:23,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:20:23,737 INFO L206 MainTranslator]: Completed translation [2024-01-29 14:20:23,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:23 WrapperNode [2024-01-29 14:20:23,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 14:20:23,738 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 14:20:23,739 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 14:20:23,739 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 14:20:23,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:23" (1/1) ... [2024-01-29 14:20:23,755 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:23" (1/1) ... [2024-01-29 14:20:23,776 INFO L138 Inliner]: procedures = 22, calls = 46, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 122 [2024-01-29 14:20:23,777 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 14:20:23,777 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 14:20:23,777 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 14:20:23,777 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 14:20:23,788 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:23" (1/1) ... [2024-01-29 14:20:23,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:23" (1/1) ... [2024-01-29 14:20:23,804 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:23" (1/1) ... [2024-01-29 14:20:23,820 INFO L175 MemorySlicer]: Split 8 memory accesses to 4 slices as follows [2, 2, 2, 2]. 25 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-01-29 14:20:23,823 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:23" (1/1) ... [2024-01-29 14:20:23,823 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:23" (1/1) ... [2024-01-29 14:20:23,831 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:23" (1/1) ... [2024-01-29 14:20:23,834 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:23" (1/1) ... [2024-01-29 14:20:23,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:23" (1/1) ... [2024-01-29 14:20:23,837 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:23" (1/1) ... [2024-01-29 14:20:23,839 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 14:20:23,840 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 14:20:23,840 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 14:20:23,840 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 14:20:23,840 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:23" (1/1) ... [2024-01-29 14:20:23,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:20:23,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 14:20:23,871 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 14:20:23,894 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 14:20:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 14:20:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-29 14:20:23,911 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-29 14:20:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-29 14:20:23,911 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-29 14:20:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-29 14:20:23,912 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-29 14:20:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 14:20:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 14:20:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 14:20:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-29 14:20:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 14:20:23,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 14:20:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 14:20:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 14:20:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-29 14:20:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-29 14:20:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-29 14:20:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 14:20:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 14:20:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 14:20:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 14:20:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 14:20:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-29 14:20:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 14:20:23,951 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 14:20:24,072 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 14:20:24,074 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 14:20:24,484 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 14:20:24,484 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 14:20:24,674 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 14:20:24,674 INFO L320 CfgBuilder]: Removed 3 assume(true) statements. [2024-01-29 14:20:24,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:20:24 BoogieIcfgContainer [2024-01-29 14:20:24,675 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 14:20:24,676 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 14:20:24,676 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 14:20:24,679 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 14:20:24,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:20:21" (1/4) ... [2024-01-29 14:20:24,680 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45fa482e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:20:24, skipping insertion in model container [2024-01-29 14:20:24,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 02:20:23" (2/4) ... [2024-01-29 14:20:24,680 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45fa482e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:20:24, skipping insertion in model container [2024-01-29 14:20:24,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:23" (3/4) ... [2024-01-29 14:20:24,680 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45fa482e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:20:24, skipping insertion in model container [2024-01-29 14:20:24,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:20:24" (4/4) ... [2024-01-29 14:20:24,682 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-threaded-sum-3.wvr.c [2024-01-29 14:20:24,696 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 14:20:24,696 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 103 error locations. [2024-01-29 14:20:24,696 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 14:20:24,797 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-29 14:20:24,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 204 places, 197 transitions, 415 flow [2024-01-29 14:20:24,860 INFO L124 PetriNetUnfolderBase]: 3/194 cut-off events. [2024-01-29 14:20:24,861 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-01-29 14:20:24,868 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 194 events. 3/194 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 560 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 159. Up to 2 conditions per place. [2024-01-29 14:20:24,869 INFO L82 GeneralOperation]: Start removeDead. Operand has 204 places, 197 transitions, 415 flow [2024-01-29 14:20:24,873 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 200 places, 193 transitions, 404 flow [2024-01-29 14:20:24,880 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 14:20:24,885 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;@59403726, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 14:20:24,886 INFO L358 AbstractCegarLoop]: Starting to check reachability of 169 error locations. [2024-01-29 14:20:24,887 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 14:20:24,887 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 14:20:24,887 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:20:24,888 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:20:24,888 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 14:20:24,888 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 166 more)] === [2024-01-29 14:20:24,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:20:24,892 INFO L85 PathProgramCache]: Analyzing trace with hash 26538, now seen corresponding path program 1 times [2024-01-29 14:20:24,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:20:24,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986853152] [2024-01-29 14:20:24,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:20:24,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:20:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:20:25,095 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 14:20:25,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:20:25,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986853152] [2024-01-29 14:20:25,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986853152] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:20:25,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:20:25,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:20:25,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029891114] [2024-01-29 14:20:25,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:20:25,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:20:25,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:20:25,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:20:25,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:20:25,150 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 197 [2024-01-29 14:20:25,153 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 193 transitions, 404 flow. Second operand has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 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 14:20:25,153 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:20:25,153 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 197 [2024-01-29 14:20:25,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:20:27,037 INFO L124 PetriNetUnfolderBase]: 10041/16929 cut-off events. [2024-01-29 14:20:27,037 INFO L125 PetriNetUnfolderBase]: For 202/202 co-relation queries the response was YES. [2024-01-29 14:20:27,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31859 conditions, 16929 events. 10041/16929 cut-off events. For 202/202 co-relation queries the response was YES. Maximal size of possible extension queue 1190. Compared 152923 event pairs, 9875 based on Foata normal form. 4/8717 useless extension candidates. Maximal degree in co-relation 30182. Up to 14401 conditions per place. [2024-01-29 14:20:27,158 INFO L140 encePairwiseOnDemand]: 164/197 looper letters, 54 selfloop transitions, 2 changer transitions 0/162 dead transitions. [2024-01-29 14:20:27,158 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 162 transitions, 454 flow [2024-01-29 14:20:27,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:20:27,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:20:27,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 414 transitions. [2024-01-29 14:20:27,168 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.700507614213198 [2024-01-29 14:20:27,185 INFO L175 Difference]: Start difference. First operand has 200 places, 193 transitions, 404 flow. Second operand 3 states and 414 transitions. [2024-01-29 14:20:27,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 162 transitions, 454 flow [2024-01-29 14:20:27,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 162 transitions, 442 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-01-29 14:20:27,205 INFO L231 Difference]: Finished difference. Result has 165 places, 162 transitions, 334 flow [2024-01-29 14:20:27,207 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=165, PETRI_TRANSITIONS=162} [2024-01-29 14:20:27,210 INFO L281 CegarLoopForPetriNet]: 200 programPoint places, -35 predicate places. [2024-01-29 14:20:27,210 INFO L495 AbstractCegarLoop]: Abstraction has has 165 places, 162 transitions, 334 flow [2024-01-29 14:20:27,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 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 14:20:27,210 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:20:27,211 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-29 14:20:27,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 14:20:27,211 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 166 more)] === [2024-01-29 14:20:27,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:20:27,212 INFO L85 PathProgramCache]: Analyzing trace with hash 823522, now seen corresponding path program 1 times [2024-01-29 14:20:27,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:20:27,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923281828] [2024-01-29 14:20:27,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:20:27,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:20:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:20:27,310 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 14:20:27,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:20:27,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923281828] [2024-01-29 14:20:27,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923281828] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:20:27,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:20:27,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:20:27,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643824971] [2024-01-29 14:20:27,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:20:27,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:20:27,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:20:27,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:20:27,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:20:27,338 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 197 [2024-01-29 14:20:27,340 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 162 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 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 14:20:27,340 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:20:27,340 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 197 [2024-01-29 14:20:27,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:20:28,984 INFO L124 PetriNetUnfolderBase]: 11921/20965 cut-off events. [2024-01-29 14:20:28,984 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-01-29 14:20:29,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38327 conditions, 20965 events. 11921/20965 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 1296. Compared 195564 event pairs, 6850 based on Foata normal form. 8/11982 useless extension candidates. Maximal degree in co-relation 38260. Up to 10051 conditions per place. [2024-01-29 14:20:29,072 INFO L140 encePairwiseOnDemand]: 186/197 looper letters, 88 selfloop transitions, 2 changer transitions 0/188 dead transitions. [2024-01-29 14:20:29,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 188 transitions, 571 flow [2024-01-29 14:20:29,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:20:29,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:20:29,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 420 transitions. [2024-01-29 14:20:29,075 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7106598984771574 [2024-01-29 14:20:29,075 INFO L175 Difference]: Start difference. First operand has 165 places, 162 transitions, 334 flow. Second operand 3 states and 420 transitions. [2024-01-29 14:20:29,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 188 transitions, 571 flow [2024-01-29 14:20:29,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 188 transitions, 567 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:20:29,078 INFO L231 Difference]: Finished difference. Result has 157 places, 154 transitions, 322 flow [2024-01-29 14:20:29,078 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=322, PETRI_PLACES=157, PETRI_TRANSITIONS=154} [2024-01-29 14:20:29,079 INFO L281 CegarLoopForPetriNet]: 200 programPoint places, -43 predicate places. [2024-01-29 14:20:29,079 INFO L495 AbstractCegarLoop]: Abstraction has has 157 places, 154 transitions, 322 flow [2024-01-29 14:20:29,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 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 14:20:29,080 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:20:29,080 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-29 14:20:29,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 14:20:29,080 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 166 more)] === [2024-01-29 14:20:29,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:20:29,081 INFO L85 PathProgramCache]: Analyzing trace with hash 25530052, now seen corresponding path program 1 times [2024-01-29 14:20:29,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:20:29,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387923508] [2024-01-29 14:20:29,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:20:29,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:20:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:20:29,216 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 14:20:29,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:20:29,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387923508] [2024-01-29 14:20:29,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387923508] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:20:29,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:20:29,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:20:29,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251079723] [2024-01-29 14:20:29,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:20:29,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:20:29,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:20:29,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:20:29,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:20:29,230 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 197 [2024-01-29 14:20:29,230 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 154 transitions, 322 flow. Second operand has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 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 14:20:29,230 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:20:29,231 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 197 [2024-01-29 14:20:29,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:20:30,755 INFO L124 PetriNetUnfolderBase]: 11987/19819 cut-off events. [2024-01-29 14:20:30,756 INFO L125 PetriNetUnfolderBase]: For 574/574 co-relation queries the response was YES. [2024-01-29 14:20:30,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37979 conditions, 19819 events. 11987/19819 cut-off events. For 574/574 co-relation queries the response was YES. Maximal size of possible extension queue 1255. Compared 176398 event pairs, 11545 based on Foata normal form. 4/11312 useless extension candidates. Maximal degree in co-relation 21925. Up to 17137 conditions per place. [2024-01-29 14:20:30,866 INFO L140 encePairwiseOnDemand]: 191/197 looper letters, 54 selfloop transitions, 2 changer transitions 0/150 dead transitions. [2024-01-29 14:20:30,866 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 150 transitions, 426 flow [2024-01-29 14:20:30,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:20:30,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:20:30,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 392 transitions. [2024-01-29 14:20:30,868 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6632825719120136 [2024-01-29 14:20:30,868 INFO L175 Difference]: Start difference. First operand has 157 places, 154 transitions, 322 flow. Second operand 3 states and 392 transitions. [2024-01-29 14:20:30,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 150 transitions, 426 flow [2024-01-29 14:20:30,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 150 transitions, 424 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 14:20:30,872 INFO L231 Difference]: Finished difference. Result has 154 places, 150 transitions, 316 flow [2024-01-29 14:20:30,872 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=316, PETRI_PLACES=154, PETRI_TRANSITIONS=150} [2024-01-29 14:20:30,873 INFO L281 CegarLoopForPetriNet]: 200 programPoint places, -46 predicate places. [2024-01-29 14:20:30,873 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 150 transitions, 316 flow [2024-01-29 14:20:30,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 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 14:20:30,874 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:20:30,874 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-29 14:20:30,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-29 14:20:30,874 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 166 more)] === [2024-01-29 14:20:30,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:20:30,875 INFO L85 PathProgramCache]: Analyzing trace with hash 791432391, now seen corresponding path program 1 times [2024-01-29 14:20:30,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:20:30,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425105674] [2024-01-29 14:20:30,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:20:30,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:20:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:20:30,949 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 14:20:30,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:20:30,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425105674] [2024-01-29 14:20:30,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425105674] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:20:30,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:20:30,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:20:30,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224922072] [2024-01-29 14:20:30,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:20:30,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:20:30,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:20:30,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:20:30,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:20:30,965 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 197 [2024-01-29 14:20:30,965 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 150 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 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 14:20:30,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:20:30,966 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 197 [2024-01-29 14:20:30,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:20:32,391 INFO L124 PetriNetUnfolderBase]: 11371/18777 cut-off events. [2024-01-29 14:20:32,392 INFO L125 PetriNetUnfolderBase]: For 575/575 co-relation queries the response was YES. [2024-01-29 14:20:32,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35790 conditions, 18777 events. 11371/18777 cut-off events. For 575/575 co-relation queries the response was YES. Maximal size of possible extension queue 1182. Compared 166012 event pairs, 10940 based on Foata normal form. 7/10880 useless extension candidates. Maximal degree in co-relation 35741. Up to 16269 conditions per place. [2024-01-29 14:20:32,616 INFO L140 encePairwiseOnDemand]: 187/197 looper letters, 54 selfloop transitions, 1 changer transitions 0/141 dead transitions. [2024-01-29 14:20:32,616 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 141 transitions, 408 flow [2024-01-29 14:20:32,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:20:32,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:20:32,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 384 transitions. [2024-01-29 14:20:32,617 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.649746192893401 [2024-01-29 14:20:32,618 INFO L175 Difference]: Start difference. First operand has 154 places, 150 transitions, 316 flow. Second operand 3 states and 384 transitions. [2024-01-29 14:20:32,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 141 transitions, 408 flow [2024-01-29 14:20:32,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 141 transitions, 404 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:20:32,620 INFO L231 Difference]: Finished difference. Result has 145 places, 141 transitions, 296 flow [2024-01-29 14:20:32,620 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=294, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=296, PETRI_PLACES=145, PETRI_TRANSITIONS=141} [2024-01-29 14:20:32,621 INFO L281 CegarLoopForPetriNet]: 200 programPoint places, -55 predicate places. [2024-01-29 14:20:32,621 INFO L495 AbstractCegarLoop]: Abstraction has has 145 places, 141 transitions, 296 flow [2024-01-29 14:20:32,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 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 14:20:32,622 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:20:32,622 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-29 14:20:32,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-29 14:20:32,622 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 166 more)] === [2024-01-29 14:20:32,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:20:32,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1235398872, now seen corresponding path program 1 times [2024-01-29 14:20:32,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:20:32,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255141426] [2024-01-29 14:20:32,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:20:32,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:20:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:20:32,688 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 14:20:32,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:20:32,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255141426] [2024-01-29 14:20:32,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255141426] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:20:32,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:20:32,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:20:32,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596931287] [2024-01-29 14:20:32,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:20:32,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:20:32,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:20:32,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:20:32,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:20:32,696 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 197 [2024-01-29 14:20:32,697 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 141 transitions, 296 flow. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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 14:20:32,697 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:20:32,697 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 197 [2024-01-29 14:20:32,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:20:34,010 INFO L124 PetriNetUnfolderBase]: 11371/18774 cut-off events. [2024-01-29 14:20:34,010 INFO L125 PetriNetUnfolderBase]: For 574/574 co-relation queries the response was YES. [2024-01-29 14:20:34,035 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35786 conditions, 18774 events. 11371/18774 cut-off events. For 574/574 co-relation queries the response was YES. Maximal size of possible extension queue 1182. Compared 166370 event pairs, 10940 based on Foata normal form. 2/10874 useless extension candidates. Maximal degree in co-relation 35778. Up to 16267 conditions per place. [2024-01-29 14:20:34,096 INFO L140 encePairwiseOnDemand]: 192/197 looper letters, 53 selfloop transitions, 2 changer transitions 0/138 dead transitions. [2024-01-29 14:20:34,097 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 138 transitions, 400 flow [2024-01-29 14:20:34,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:20:34,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:20:34,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 393 transitions. [2024-01-29 14:20:34,098 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6649746192893401 [2024-01-29 14:20:34,098 INFO L175 Difference]: Start difference. First operand has 145 places, 141 transitions, 296 flow. Second operand 3 states and 393 transitions. [2024-01-29 14:20:34,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 138 transitions, 400 flow [2024-01-29 14:20:34,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 138 transitions, 399 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 14:20:34,101 INFO L231 Difference]: Finished difference. Result has 143 places, 138 transitions, 293 flow [2024-01-29 14:20:34,101 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=289, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=293, PETRI_PLACES=143, PETRI_TRANSITIONS=138} [2024-01-29 14:20:34,101 INFO L281 CegarLoopForPetriNet]: 200 programPoint places, -57 predicate places. [2024-01-29 14:20:34,102 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 138 transitions, 293 flow [2024-01-29 14:20:34,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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 14:20:34,102 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:20:34,102 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:20:34,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-29 14:20:34,102 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 166 more)] === [2024-01-29 14:20:34,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:20:34,103 INFO L85 PathProgramCache]: Analyzing trace with hash 357341445, now seen corresponding path program 1 times [2024-01-29 14:20:34,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:20:34,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568599186] [2024-01-29 14:20:34,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:20:34,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:20:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:20:34,268 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 14:20:34,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:20:34,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568599186] [2024-01-29 14:20:34,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568599186] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:20:34,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:20:34,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:20:34,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701193866] [2024-01-29 14:20:34,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:20:34,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:20:34,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:20:34,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:20:34,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:20:34,276 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 197 [2024-01-29 14:20:34,277 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 138 transitions, 293 flow. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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 14:20:34,277 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:20:34,277 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 197 [2024-01-29 14:20:34,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:20:35,710 INFO L124 PetriNetUnfolderBase]: 11371/18772 cut-off events. [2024-01-29 14:20:35,711 INFO L125 PetriNetUnfolderBase]: For 575/575 co-relation queries the response was YES. [2024-01-29 14:20:35,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35786 conditions, 18772 events. 11371/18772 cut-off events. For 575/575 co-relation queries the response was YES. Maximal size of possible extension queue 1182. Compared 166568 event pairs, 10940 based on Foata normal form. 2/10874 useless extension candidates. Maximal degree in co-relation 35777. Up to 16268 conditions per place. [2024-01-29 14:20:35,788 INFO L140 encePairwiseOnDemand]: 193/197 looper letters, 53 selfloop transitions, 2 changer transitions 0/136 dead transitions. [2024-01-29 14:20:35,788 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 136 transitions, 399 flow [2024-01-29 14:20:35,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:20:35,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:20:35,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 395 transitions. [2024-01-29 14:20:35,790 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6683587140439933 [2024-01-29 14:20:35,790 INFO L175 Difference]: Start difference. First operand has 143 places, 138 transitions, 293 flow. Second operand 3 states and 395 transitions. [2024-01-29 14:20:35,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 136 transitions, 399 flow [2024-01-29 14:20:35,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 136 transitions, 395 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:20:35,792 INFO L231 Difference]: Finished difference. Result has 141 places, 136 transitions, 289 flow [2024-01-29 14:20:35,792 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=285, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=289, PETRI_PLACES=141, PETRI_TRANSITIONS=136} [2024-01-29 14:20:35,793 INFO L281 CegarLoopForPetriNet]: 200 programPoint places, -59 predicate places. [2024-01-29 14:20:35,793 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 136 transitions, 289 flow [2024-01-29 14:20:35,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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 14:20:35,793 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:20:35,793 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:20:35,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-29 14:20:35,794 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 166 more)] === [2024-01-29 14:20:35,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:20:35,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1807316205, now seen corresponding path program 1 times [2024-01-29 14:20:35,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:20:35,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729727100] [2024-01-29 14:20:35,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:20:35,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:20:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:20:35,830 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 14:20:35,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:20:35,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729727100] [2024-01-29 14:20:35,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729727100] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:20:35,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:20:35,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:20:35,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582547094] [2024-01-29 14:20:35,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:20:35,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:20:35,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:20:35,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:20:35,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:20:35,842 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 197 [2024-01-29 14:20:35,842 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 136 transitions, 289 flow. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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 14:20:35,842 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:20:35,842 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 197 [2024-01-29 14:20:35,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:20:37,154 INFO L124 PetriNetUnfolderBase]: 11371/18771 cut-off events. [2024-01-29 14:20:37,154 INFO L125 PetriNetUnfolderBase]: For 575/575 co-relation queries the response was YES. [2024-01-29 14:20:37,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35786 conditions, 18771 events. 11371/18771 cut-off events. For 575/575 co-relation queries the response was YES. Maximal size of possible extension queue 1182. Compared 166690 event pairs, 10940 based on Foata normal form. 1/10874 useless extension candidates. Maximal degree in co-relation 35777. Up to 16270 conditions per place. [2024-01-29 14:20:37,258 INFO L140 encePairwiseOnDemand]: 194/197 looper letters, 54 selfloop transitions, 2 changer transitions 0/135 dead transitions. [2024-01-29 14:20:37,258 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 135 transitions, 399 flow [2024-01-29 14:20:37,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:20:37,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:20:37,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 395 transitions. [2024-01-29 14:20:37,260 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6683587140439933 [2024-01-29 14:20:37,260 INFO L175 Difference]: Start difference. First operand has 141 places, 136 transitions, 289 flow. Second operand 3 states and 395 transitions. [2024-01-29 14:20:37,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 135 transitions, 399 flow [2024-01-29 14:20:37,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 135 transitions, 395 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:20:37,262 INFO L231 Difference]: Finished difference. Result has 140 places, 135 transitions, 287 flow [2024-01-29 14:20:37,263 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=283, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=287, PETRI_PLACES=140, PETRI_TRANSITIONS=135} [2024-01-29 14:20:37,263 INFO L281 CegarLoopForPetriNet]: 200 programPoint places, -60 predicate places. [2024-01-29 14:20:37,263 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 135 transitions, 287 flow [2024-01-29 14:20:37,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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 14:20:37,267 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:20:37,267 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:20:37,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-29 14:20:37,268 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 166 more)] === [2024-01-29 14:20:37,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:20:37,269 INFO L85 PathProgramCache]: Analyzing trace with hash -192226633, now seen corresponding path program 1 times [2024-01-29 14:20:37,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:20:37,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256969311] [2024-01-29 14:20:37,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:20:37,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:20:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:20:37,315 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 14:20:37,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:20:37,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256969311] [2024-01-29 14:20:37,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256969311] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:20:37,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:20:37,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:20:37,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677429658] [2024-01-29 14:20:37,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:20:37,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:20:37,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:20:37,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:20:37,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:20:37,326 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 197 [2024-01-29 14:20:37,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 135 transitions, 287 flow. Second operand has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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 14:20:37,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:20:37,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 197 [2024-01-29 14:20:37,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:20:38,813 INFO L124 PetriNetUnfolderBase]: 11371/18766 cut-off events. [2024-01-29 14:20:38,814 INFO L125 PetriNetUnfolderBase]: For 575/575 co-relation queries the response was YES. [2024-01-29 14:20:38,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35780 conditions, 18766 events. 11371/18766 cut-off events. For 575/575 co-relation queries the response was YES. Maximal size of possible extension queue 1182. Compared 166614 event pairs, 10940 based on Foata normal form. 5/10876 useless extension candidates. Maximal degree in co-relation 35771. Up to 16265 conditions per place. [2024-01-29 14:20:38,886 INFO L140 encePairwiseOnDemand]: 190/197 looper letters, 53 selfloop transitions, 2 changer transitions 0/130 dead transitions. [2024-01-29 14:20:38,886 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 130 transitions, 387 flow [2024-01-29 14:20:38,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:20:38,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:20:38,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 389 transitions. [2024-01-29 14:20:38,888 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6582064297800339 [2024-01-29 14:20:38,888 INFO L175 Difference]: Start difference. First operand has 140 places, 135 transitions, 287 flow. Second operand 3 states and 389 transitions. [2024-01-29 14:20:38,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 130 transitions, 387 flow [2024-01-29 14:20:38,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 130 transitions, 383 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:20:38,890 INFO L231 Difference]: Finished difference. Result has 135 places, 130 transitions, 277 flow [2024-01-29 14:20:38,890 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=197, PETRI_DIFFERENCE_MINUEND_FLOW=273, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=277, PETRI_PLACES=135, PETRI_TRANSITIONS=130} [2024-01-29 14:20:38,891 INFO L281 CegarLoopForPetriNet]: 200 programPoint places, -65 predicate places. [2024-01-29 14:20:38,891 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 130 transitions, 277 flow [2024-01-29 14:20:38,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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 14:20:38,891 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:20:38,891 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:20:38,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-29 14:20:38,892 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 166 more)] === [2024-01-29 14:20:38,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:20:38,892 INFO L85 PathProgramCache]: Analyzing trace with hash 422139217, now seen corresponding path program 1 times [2024-01-29 14:20:38,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:20:38,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150959521] [2024-01-29 14:20:38,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:20:38,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:20:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 14:20:38,901 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-29 14:20:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 14:20:38,935 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-29 14:20:38,935 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-29 14:20:38,936 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONWITNESS_INVARIANT (168 of 169 remaining) [2024-01-29 14:20:38,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (167 of 169 remaining) [2024-01-29 14:20:38,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (166 of 169 remaining) [2024-01-29 14:20:38,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (165 of 169 remaining) [2024-01-29 14:20:38,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (164 of 169 remaining) [2024-01-29 14:20:38,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (163 of 169 remaining) [2024-01-29 14:20:38,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (162 of 169 remaining) [2024-01-29 14:20:38,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (161 of 169 remaining) [2024-01-29 14:20:38,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (160 of 169 remaining) [2024-01-29 14:20:38,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (159 of 169 remaining) [2024-01-29 14:20:38,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (158 of 169 remaining) [2024-01-29 14:20:38,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (157 of 169 remaining) [2024-01-29 14:20:38,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (156 of 169 remaining) [2024-01-29 14:20:38,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (155 of 169 remaining) [2024-01-29 14:20:38,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (154 of 169 remaining) [2024-01-29 14:20:38,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (153 of 169 remaining) [2024-01-29 14:20:38,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (152 of 169 remaining) [2024-01-29 14:20:38,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (151 of 169 remaining) [2024-01-29 14:20:38,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (150 of 169 remaining) [2024-01-29 14:20:38,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (149 of 169 remaining) [2024-01-29 14:20:38,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (148 of 169 remaining) [2024-01-29 14:20:38,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (147 of 169 remaining) [2024-01-29 14:20:38,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (146 of 169 remaining) [2024-01-29 14:20:38,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (145 of 169 remaining) [2024-01-29 14:20:38,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (144 of 169 remaining) [2024-01-29 14:20:38,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (143 of 169 remaining) [2024-01-29 14:20:38,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (142 of 169 remaining) [2024-01-29 14:20:38,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (141 of 169 remaining) [2024-01-29 14:20:38,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (140 of 169 remaining) [2024-01-29 14:20:38,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (139 of 169 remaining) [2024-01-29 14:20:38,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (138 of 169 remaining) [2024-01-29 14:20:38,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (137 of 169 remaining) [2024-01-29 14:20:38,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (136 of 169 remaining) [2024-01-29 14:20:38,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (135 of 169 remaining) [2024-01-29 14:20:38,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err20ASSERT_VIOLATIONWITNESS_INVARIANT (134 of 169 remaining) [2024-01-29 14:20:38,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (133 of 169 remaining) [2024-01-29 14:20:38,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (132 of 169 remaining) [2024-01-29 14:20:38,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (131 of 169 remaining) [2024-01-29 14:20:38,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (130 of 169 remaining) [2024-01-29 14:20:38,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (129 of 169 remaining) [2024-01-29 14:20:38,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (128 of 169 remaining) [2024-01-29 14:20:38,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (127 of 169 remaining) [2024-01-29 14:20:38,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (126 of 169 remaining) [2024-01-29 14:20:38,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (125 of 169 remaining) [2024-01-29 14:20:38,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (124 of 169 remaining) [2024-01-29 14:20:38,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (123 of 169 remaining) [2024-01-29 14:20:38,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (122 of 169 remaining) [2024-01-29 14:20:38,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (121 of 169 remaining) [2024-01-29 14:20:38,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err19ASSERT_VIOLATIONWITNESS_INVARIANT (120 of 169 remaining) [2024-01-29 14:20:38,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 169 remaining) [2024-01-29 14:20:38,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 169 remaining) [2024-01-29 14:20:38,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 169 remaining) [2024-01-29 14:20:38,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 169 remaining) [2024-01-29 14:20:38,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 169 remaining) [2024-01-29 14:20:38,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err14ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 169 remaining) [2024-01-29 14:20:38,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 169 remaining) [2024-01-29 14:20:38,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 169 remaining) [2024-01-29 14:20:38,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 169 remaining) [2024-01-29 14:20:38,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err8ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 169 remaining) [2024-01-29 14:20:38,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err9ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 169 remaining) [2024-01-29 14:20:38,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err10ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 169 remaining) [2024-01-29 14:20:38,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err11ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 169 remaining) [2024-01-29 14:20:38,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err12ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 169 remaining) [2024-01-29 14:20:38,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err13ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 169 remaining) [2024-01-29 14:20:38,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 169 remaining) [2024-01-29 14:20:38,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 169 remaining) [2024-01-29 14:20:38,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 169 remaining) [2024-01-29 14:20:38,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 169 remaining) [2024-01-29 14:20:38,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 169 remaining) [2024-01-29 14:20:38,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 169 remaining) [2024-01-29 14:20:38,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 169 remaining) [2024-01-29 14:20:38,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 169 remaining) [2024-01-29 14:20:38,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 169 remaining) [2024-01-29 14:20:38,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 169 remaining) [2024-01-29 14:20:38,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 169 remaining) [2024-01-29 14:20:38,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 169 remaining) [2024-01-29 14:20:38,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 169 remaining) [2024-01-29 14:20:38,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 169 remaining) [2024-01-29 14:20:38,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 169 remaining) [2024-01-29 14:20:38,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 169 remaining) [2024-01-29 14:20:38,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 169 remaining) [2024-01-29 14:20:38,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 169 remaining) [2024-01-29 14:20:38,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 169 remaining) [2024-01-29 14:20:38,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 169 remaining) [2024-01-29 14:20:38,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 169 remaining) [2024-01-29 14:20:38,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 169 remaining) [2024-01-29 14:20:38,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 169 remaining) [2024-01-29 14:20:38,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 169 remaining) [2024-01-29 14:20:38,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 169 remaining) [2024-01-29 14:20:38,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 169 remaining) [2024-01-29 14:20:38,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 169 remaining) [2024-01-29 14:20:38,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 169 remaining) [2024-01-29 14:20:38,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 169 remaining) [2024-01-29 14:20:38,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 169 remaining) [2024-01-29 14:20:38,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 169 remaining) [2024-01-29 14:20:38,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 169 remaining) [2024-01-29 14:20:38,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 169 remaining) [2024-01-29 14:20:38,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 169 remaining) [2024-01-29 14:20:38,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 169 remaining) [2024-01-29 14:20:38,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 169 remaining) [2024-01-29 14:20:38,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 169 remaining) [2024-01-29 14:20:38,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 169 remaining) [2024-01-29 14:20:38,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION (66 of 169 remaining) [2024-01-29 14:20:38,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (65 of 169 remaining) [2024-01-29 14:20:38,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (64 of 169 remaining) [2024-01-29 14:20:38,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (63 of 169 remaining) [2024-01-29 14:20:38,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 169 remaining) [2024-01-29 14:20:38,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 169 remaining) [2024-01-29 14:20:38,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 169 remaining) [2024-01-29 14:20:38,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 169 remaining) [2024-01-29 14:20:38,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 169 remaining) [2024-01-29 14:20:38,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 169 remaining) [2024-01-29 14:20:38,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 169 remaining) [2024-01-29 14:20:38,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 169 remaining) [2024-01-29 14:20:38,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 169 remaining) [2024-01-29 14:20:38,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 169 remaining) [2024-01-29 14:20:38,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 169 remaining) [2024-01-29 14:20:38,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 169 remaining) [2024-01-29 14:20:38,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 169 remaining) [2024-01-29 14:20:38,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 169 remaining) [2024-01-29 14:20:38,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 169 remaining) [2024-01-29 14:20:38,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 169 remaining) [2024-01-29 14:20:38,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 169 remaining) [2024-01-29 14:20:38,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 169 remaining) [2024-01-29 14:20:38,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 169 remaining) [2024-01-29 14:20:38,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 169 remaining) [2024-01-29 14:20:38,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 169 remaining) [2024-01-29 14:20:38,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 169 remaining) [2024-01-29 14:20:38,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 169 remaining) [2024-01-29 14:20:38,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 169 remaining) [2024-01-29 14:20:38,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 169 remaining) [2024-01-29 14:20:38,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 169 remaining) [2024-01-29 14:20:38,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 169 remaining) [2024-01-29 14:20:38,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 169 remaining) [2024-01-29 14:20:38,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 169 remaining) [2024-01-29 14:20:38,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 169 remaining) [2024-01-29 14:20:38,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 169 remaining) [2024-01-29 14:20:38,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 169 remaining) [2024-01-29 14:20:38,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 169 remaining) [2024-01-29 14:20:38,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err20ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 169 remaining) [2024-01-29 14:20:38,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 169 remaining) [2024-01-29 14:20:38,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 169 remaining) [2024-01-29 14:20:38,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 169 remaining) [2024-01-29 14:20:38,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 169 remaining) [2024-01-29 14:20:38,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 169 remaining) [2024-01-29 14:20:38,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 169 remaining) [2024-01-29 14:20:38,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 169 remaining) [2024-01-29 14:20:38,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 169 remaining) [2024-01-29 14:20:38,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 169 remaining) [2024-01-29 14:20:38,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 169 remaining) [2024-01-29 14:20:38,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 169 remaining) [2024-01-29 14:20:38,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 169 remaining) [2024-01-29 14:20:38,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 169 remaining) [2024-01-29 14:20:38,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err19ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 169 remaining) [2024-01-29 14:20:38,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 169 remaining) [2024-01-29 14:20:38,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 169 remaining) [2024-01-29 14:20:38,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 169 remaining) [2024-01-29 14:20:38,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 169 remaining) [2024-01-29 14:20:38,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 169 remaining) [2024-01-29 14:20:38,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err14ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 169 remaining) [2024-01-29 14:20:38,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 169 remaining) [2024-01-29 14:20:38,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 169 remaining) [2024-01-29 14:20:38,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 169 remaining) [2024-01-29 14:20:38,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err8ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 169 remaining) [2024-01-29 14:20:38,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err9ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 169 remaining) [2024-01-29 14:20:38,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err10ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 169 remaining) [2024-01-29 14:20:38,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err11ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 169 remaining) [2024-01-29 14:20:38,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err12ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 169 remaining) [2024-01-29 14:20:38,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err13ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 169 remaining) [2024-01-29 14:20:38,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-01-29 14:20:38,962 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:20:38,967 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-29 14:20:38,967 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-29 14:20:39,007 INFO L503 ceAbstractionStarter]: Automizer considered 102 witness invariants [2024-01-29 14:20:39,007 INFO L504 ceAbstractionStarter]: WitnessConsidered=102 [2024-01-29 14:20:39,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 02:20:39 BasicIcfg [2024-01-29 14:20:39,008 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-29 14:20:39,008 INFO L158 Benchmark]: Toolchain (without parser) took 15605.31ms. Allocated memory was 188.7MB in the beginning and 11.9GB in the end (delta: 11.7GB). Free memory was 119.5MB in the beginning and 10.6GB in the end (delta: -10.5GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-01-29 14:20:39,008 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:20:39,008 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory is still 76.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:20:39,009 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.11ms. Allocated memory is still 188.7MB. Free memory was 119.0MB in the beginning and 96.4MB in the end (delta: 22.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-01-29 14:20:39,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.31ms. Allocated memory is still 188.7MB. Free memory was 96.4MB in the beginning and 94.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 14:20:39,009 INFO L158 Benchmark]: Boogie Preprocessor took 61.72ms. Allocated memory is still 188.7MB. Free memory was 94.4MB in the beginning and 91.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-29 14:20:39,009 INFO L158 Benchmark]: RCFGBuilder took 835.15ms. Allocated memory is still 188.7MB. Free memory was 91.7MB in the beginning and 70.5MB in the end (delta: 21.2MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-01-29 14:20:39,009 INFO L158 Benchmark]: TraceAbstraction took 14331.68ms. Allocated memory was 188.7MB in the beginning and 11.9GB in the end (delta: 11.7GB). Free memory was 70.5MB in the beginning and 10.6GB in the end (delta: -10.5GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-01-29 14:20:39,010 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory is still 76.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.11ms. Allocated memory is still 188.7MB. Free memory was 119.0MB in the beginning and 96.4MB in the end (delta: 22.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.31ms. Allocated memory is still 188.7MB. Free memory was 96.4MB in the beginning and 94.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.72ms. Allocated memory is still 188.7MB. Free memory was 94.4MB in the beginning and 91.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 835.15ms. Allocated memory is still 188.7MB. Free memory was 91.7MB in the beginning and 70.5MB in the end (delta: 21.2MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * TraceAbstraction took 14331.68ms. Allocated memory was 188.7MB in the beginning and 11.9GB in the end (delta: 11.7GB). Free memory was 70.5MB in the beginning and 10.6GB in the end (delta: -10.5GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 107]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] unsigned int s, t, m, c, T, S, u, U; [L98] pthread_t t1, t2, t3; VAL [S=0, T=0, U=0, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L100] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[u],IntegerLiteral[0U]]]] VAL [S=0, T=0, U=0, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L100] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]]] VAL [S=0, T=0, U=0, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L100] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0U]]]] VAL [S=0, T=0, U=0, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L100] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]]] VAL [S=0, T=0, U=0, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L100] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[U],IntegerLiteral[0U]]]] VAL [S=0, T=0, U=0, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L100] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[T],IntegerLiteral[0U]]]] VAL [S=0, T=0, U=0, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L100] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[S],IntegerLiteral[0U]]]] VAL [S=0, T=0, U=0, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L100] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0U]]]] [L100] S = __VERIFIER_nondet_uint() [L101] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[T],IntegerLiteral[0U]]]] VAL [T=0, U=0, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L101] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]]] VAL [T=0, U=0, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L101] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0U]]]] VAL [T=0, U=0, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L101] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0U]]]] VAL [T=0, U=0, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L101] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]]] VAL [T=0, U=0, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L101] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[U],IntegerLiteral[0U]]]] VAL [T=0, U=0, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L101] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[u],IntegerLiteral[0U]]]] [L101] T = __VERIFIER_nondet_uint() [L102] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0U]]]] VAL [U=0, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L102] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[u],IntegerLiteral[0U]]]] VAL [U=0, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L102] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]]] VAL [U=0, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L102] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]]] VAL [U=0, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L102] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0U]]]] VAL [U=0, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L102] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[U],IntegerLiteral[0U]]]] [L102] U = __VERIFIER_nondet_uint() [L103] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]]] VAL [c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L103] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0U]]]] VAL [c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L103] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[u],IntegerLiteral[0U]]]] VAL [c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L103] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0U]]]] VAL [c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L103] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]]] [L103] s = S VAL [S=0, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L104] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0U]]]] VAL [S=0, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L104] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]]] VAL [S=0, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L104] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]]] VAL [S=0, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L104] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[u],IntegerLiteral[0U]]]] [L104] t = T VAL [S=0, T=50, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=50, u=0] [L105] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]]] VAL [S=0, T=50, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=50, u=0] [L105] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[u],IntegerLiteral[0U]]]] VAL [S=0, T=50, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=50, u=0] [L105] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]]] [L105] u = U VAL [S=0, T=50, U=49, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=50, u=49] [L107] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]]] VAL [S=0, T=50, U=49, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=50, u=49] [L107] CodeAnnotStmt[Assertion[BinaryExpression[COMPNEQ,IdentifierExpression[S],IntegerLiteral[0U]]]] VAL [S=0, T=50, U=49, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=50, u=49] - UnprovableResult [Line: 41]: 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: 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: 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: 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: 45]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 61]: 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: 63]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 75]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: 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: 71]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 71]: 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: 63]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 79]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 80]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 82]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 82]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 100]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 100]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 100]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 100]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 100]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 100]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 100]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 100]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 101]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 101]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 101]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 101]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 101]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 101]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 101]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 102]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 102]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 102]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 102]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 102]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 102]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 103]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 103]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 103]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 103]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 103]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 105]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 105]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 105]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 107]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 107]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 107]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 110]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 110]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 118]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 112]: 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: 110]: 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: 111]: 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 7 procedures, 299 locations, 169 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: 14.1s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 292 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 180 mSDsluCounter, 43 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 867 IncrementalHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 43 mSDtfsCounter, 867 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=404occurred in iteration=0, InterpolantAutomatonStates: 24, 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, 0.6s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 146 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 14:20:39,051 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