./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.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-bad-buffer-mult-alt.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27552612 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-bad-buffer-mult-alt.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-bad-buffer-mult-alt.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-2755261-m [2024-01-26 15:21:12,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 15:21:12,718 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-26 15:21:12,724 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 15:21:12,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 15:21:12,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 15:21:12,747 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 15:21:12,747 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 15:21:12,748 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-26 15:21:12,752 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-26 15:21:12,752 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 15:21:12,752 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 15:21:12,753 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 15:21:12,754 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 15:21:12,754 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 15:21:12,754 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 15:21:12,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 15:21:12,755 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 15:21:12,755 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 15:21:12,755 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 15:21:12,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 15:21:12,756 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 15:21:12,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 15:21:12,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 15:21:12,756 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-26 15:21:12,757 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 15:21:12,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 15:21:12,757 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 15:21:12,757 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 15:21:12,758 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 15:21:12,758 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-26 15:21:12,759 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 15:21:12,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-26 15:21:12,759 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 15:21:12,759 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 15:21:12,759 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-26 15:21:12,759 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 15:21:12,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 15:21:12,760 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 15:21:12,760 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-26 15:21:12,760 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 15:21:12,760 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-26 15:21:12,760 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-26 15:21:12,761 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-26 15:21:12,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 15:21:12,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 15:21:12,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 15:21:12,990 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-26 15:21:12,991 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-26 15:21:12,992 INFO L431 ainManager$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-bad-buffer-mult-alt.wvr.yml/witness.yml [2024-01-26 15:21:13,168 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 15:21:13,169 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 15:21:13,169 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-01-26 15:21:14,175 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 15:21:14,332 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 15:21:14,333 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-01-26 15:21:14,339 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/550679d17/4083d101af474648acc0aa7d89c8c680/FLAG8dac533ba [2024-01-26 15:21:14,348 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/550679d17/4083d101af474648acc0aa7d89c8c680 [2024-01-26 15:21:14,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 15:21:14,349 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 15:21:14,350 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 15:21:14,350 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 15:21:14,354 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 15:21:14,354 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:21:13" (1/2) ... [2024-01-26 15:21:14,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@213b38f2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:21:14, skipping insertion in model container [2024-01-26 15:21:14,355 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:21:13" (1/2) ... [2024-01-26 15:21:14,356 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5bb931a4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:21:14, skipping insertion in model container [2024-01-26 15:21:14,356 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 03:21:14" (2/2) ... [2024-01-26 15:21:14,356 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@213b38f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:14, skipping insertion in model container [2024-01-26 15:21:14,357 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 03:21:14" (2/2) ... [2024-01-26 15:21:14,357 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-26 15:21:14,419 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-26 15:21:14,420 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] 0 <= q1_front [2024-01-26 15:21:14,420 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] 0 <= j [2024-01-26 15:21:14,420 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,421 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] 0 <= i [2024-01-26 15:21:14,421 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= i [2024-01-26 15:21:14,422 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= j [2024-01-26 15:21:14,422 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,422 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,422 INFO L98 nessWitnessExtractor]: Location invariant before [L106-L106] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,422 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] q2 == 0 [2024-01-26 15:21:14,422 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] total == 0 [2024-01-26 15:21:14,423 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] j == 0 [2024-01-26 15:21:14,423 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] i == 0 [2024-01-26 15:21:14,423 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= i [2024-01-26 15:21:14,423 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,423 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= j [2024-01-26 15:21:14,423 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] 0 <= i [2024-01-26 15:21:14,423 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,424 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] 0 <= j [2024-01-26 15:21:14,424 INFO L98 nessWitnessExtractor]: Location invariant before [L102-L102] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,424 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= j [2024-01-26 15:21:14,424 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= i [2024-01-26 15:21:14,424 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,425 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,425 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] 0 <= i [2024-01-26 15:21:14,425 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] 0 <= j [2024-01-26 15:21:14,425 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] -2147483647 <= q2_back [2024-01-26 15:21:14,425 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,425 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] 0 <= i [2024-01-26 15:21:14,425 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] 0 <= j [2024-01-26 15:21:14,426 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] i == 0 [2024-01-26 15:21:14,426 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] q2 == 0 [2024-01-26 15:21:14,426 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] total == 0 [2024-01-26 15:21:14,426 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] j == 0 [2024-01-26 15:21:14,426 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] size != 0 [2024-01-26 15:21:14,426 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] (((((((((8 <= i && 9 <= size) && i <= 2147483646) || (8 <= size && i == 7)) || (7 <= size && i == 6)) || (6 <= size && i == 5)) || (5 <= size && i == 4)) || (4 <= size && i == 3)) || (3 <= size && i == 2)) || (2 <= size && i == 1)) || ((1 <= size && 0 == i) && i == 0) [2024-01-26 15:21:14,427 INFO L98 nessWitnessExtractor]: Loop invariant at [L71-L82] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,427 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] -2147483647 <= q2_front [2024-01-26 15:21:14,428 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,428 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] 0 <= i [2024-01-26 15:21:14,428 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] 0 <= j [2024-01-26 15:21:14,428 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] 0 <= j [2024-01-26 15:21:14,428 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,428 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] 0 <= i [2024-01-26 15:21:14,429 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,429 INFO L98 nessWitnessExtractor]: Location invariant before [L171-L171] 0 <= j [2024-01-26 15:21:14,429 INFO L98 nessWitnessExtractor]: Location invariant before [L171-L171] b != 0 [2024-01-26 15:21:14,429 INFO L98 nessWitnessExtractor]: Location invariant before [L171-L171] 0 <= i [2024-01-26 15:21:14,429 INFO L98 nessWitnessExtractor]: Location invariant before [L171-L171] b <= -1 [2024-01-26 15:21:14,429 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] n1 == 0 [2024-01-26 15:21:14,429 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q2_front == 0 [2024-01-26 15:21:14,430 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] M == 0 [2024-01-26 15:21:14,430 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] n2 == 0 [2024-01-26 15:21:14,430 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] total == 0 [2024-01-26 15:21:14,430 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q2_back == 0 [2024-01-26 15:21:14,431 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] N == 0 [2024-01-26 15:21:14,431 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q1_front == 0 [2024-01-26 15:21:14,432 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] j == 0 [2024-01-26 15:21:14,432 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q1 == 0 [2024-01-26 15:21:14,432 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q1_back == 0 [2024-01-26 15:21:14,432 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q2 == 0 [2024-01-26 15:21:14,432 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] i == 0 [2024-01-26 15:21:14,432 INFO L98 nessWitnessExtractor]: Location invariant before [L141-L141] i == 0 [2024-01-26 15:21:14,432 INFO L98 nessWitnessExtractor]: Location invariant before [L141-L141] -2147483647 <= N [2024-01-26 15:21:14,432 INFO L98 nessWitnessExtractor]: Location invariant before [L141-L141] j == 0 [2024-01-26 15:21:14,433 INFO L98 nessWitnessExtractor]: Location invariant before [L141-L141] M <= 2147483646 [2024-01-26 15:21:14,433 INFO L98 nessWitnessExtractor]: Location invariant before [L141-L141] total == 0 [2024-01-26 15:21:14,433 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,433 INFO L98 nessWitnessExtractor]: Location invariant before [L172-L172] 0 <= i [2024-01-26 15:21:14,433 INFO L98 nessWitnessExtractor]: Location invariant before [L172-L172] 1 <= b [2024-01-26 15:21:14,433 INFO L98 nessWitnessExtractor]: Location invariant before [L172-L172] 0 <= j [2024-01-26 15:21:14,433 INFO L98 nessWitnessExtractor]: Location invariant before [L172-L172] b != 0 [2024-01-26 15:21:14,434 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] 0 <= i [2024-01-26 15:21:14,434 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,434 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] 0 <= q2_back [2024-01-26 15:21:14,434 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] 0 <= j [2024-01-26 15:21:14,434 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,435 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,435 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] 0 <= j [2024-01-26 15:21:14,435 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,435 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] 0 <= i [2024-01-26 15:21:14,435 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q1 == 0 [2024-01-26 15:21:14,435 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] n1 == 0 [2024-01-26 15:21:14,435 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2_back == 0 [2024-01-26 15:21:14,436 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] i == 0 [2024-01-26 15:21:14,436 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] total == 0 [2024-01-26 15:21:14,436 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] n2 == 0 [2024-01-26 15:21:14,436 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2 == 0 [2024-01-26 15:21:14,436 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] j == 0 [2024-01-26 15:21:14,436 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,436 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] 0 <= j [2024-01-26 15:21:14,436 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,437 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] 0 <= i [2024-01-26 15:21:14,437 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= q1_back [2024-01-26 15:21:14,437 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,437 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= i [2024-01-26 15:21:14,437 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= j [2024-01-26 15:21:14,437 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] total == 0 [2024-01-26 15:21:14,437 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] q1 == 0 [2024-01-26 15:21:14,438 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] i == 0 [2024-01-26 15:21:14,438 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] j == 0 [2024-01-26 15:21:14,438 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] n2 == 0 [2024-01-26 15:21:14,438 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] q2 == 0 [2024-01-26 15:21:14,438 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2 == 0 [2024-01-26 15:21:14,438 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] total == 0 [2024-01-26 15:21:14,438 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] n2 == 0 [2024-01-26 15:21:14,439 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] j == 0 [2024-01-26 15:21:14,439 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] i == 0 [2024-01-26 15:21:14,439 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] n1 == 0 [2024-01-26 15:21:14,440 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2_front == 0 [2024-01-26 15:21:14,440 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2_back == 0 [2024-01-26 15:21:14,440 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1 == 0 [2024-01-26 15:21:14,441 INFO L98 nessWitnessExtractor]: Loop invariant at [L51-L62] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,441 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] 0 <= j [2024-01-26 15:21:14,441 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] 0 <= q2_front [2024-01-26 15:21:14,441 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,441 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] 0 <= i [2024-01-26 15:21:14,442 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,442 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] 0 <= j [2024-01-26 15:21:14,442 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] 0 <= i [2024-01-26 15:21:14,442 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,442 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] 0 <= i [2024-01-26 15:21:14,442 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] 0 <= j [2024-01-26 15:21:14,442 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] 0 <= i [2024-01-26 15:21:14,442 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,443 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] 0 <= j [2024-01-26 15:21:14,443 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] 0 <= j [2024-01-26 15:21:14,443 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] 0 <= i [2024-01-26 15:21:14,443 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,443 INFO L98 nessWitnessExtractor]: Location invariant before [L120-L120] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,443 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] n2 == 0 [2024-01-26 15:21:14,443 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1 == 0 [2024-01-26 15:21:14,443 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] total == 0 [2024-01-26 15:21:14,444 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1_back == 0 [2024-01-26 15:21:14,444 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] n1 == 0 [2024-01-26 15:21:14,444 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1_front == 0 [2024-01-26 15:21:14,444 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] i == 0 [2024-01-26 15:21:14,444 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2_front == 0 [2024-01-26 15:21:14,444 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2_back == 0 [2024-01-26 15:21:14,444 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] j == 0 [2024-01-26 15:21:14,445 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2 == 0 [2024-01-26 15:21:14,445 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] N == 0 [2024-01-26 15:21:14,445 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,445 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,445 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] 0 <= i [2024-01-26 15:21:14,446 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] 0 <= j [2024-01-26 15:21:14,446 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,446 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,446 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] 0 <= i [2024-01-26 15:21:14,446 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] 0 <= j [2024-01-26 15:21:14,446 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] -2147483647 <= q1_front [2024-01-26 15:21:14,446 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,447 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q1 == 0 [2024-01-26 15:21:14,447 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] j == 0 [2024-01-26 15:21:14,447 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] i == 0 [2024-01-26 15:21:14,447 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] n2 == 0 [2024-01-26 15:21:14,447 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q2 == 0 [2024-01-26 15:21:14,447 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q1_back == 0 [2024-01-26 15:21:14,447 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] total == 0 [2024-01-26 15:21:14,447 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q2_front == 0 [2024-01-26 15:21:14,448 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q1_front == 0 [2024-01-26 15:21:14,448 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q2_back == 0 [2024-01-26 15:21:14,448 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] n1 == 0 [2024-01-26 15:21:14,448 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] 0 <= j [2024-01-26 15:21:14,448 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,448 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] 1 <= i [2024-01-26 15:21:14,449 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= j [2024-01-26 15:21:14,449 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= i [2024-01-26 15:21:14,449 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,449 INFO L98 nessWitnessExtractor]: Loop invariant at [L109-L118] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,449 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,449 INFO L98 nessWitnessExtractor]: Location invariant before [L144-L144] j == 0 [2024-01-26 15:21:14,450 INFO L98 nessWitnessExtractor]: Location invariant before [L144-L144] i == 0 [2024-01-26 15:21:14,450 INFO L98 nessWitnessExtractor]: Location invariant before [L144-L144] total == 0 [2024-01-26 15:21:14,450 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] -2147483647 <= q1_back [2024-01-26 15:21:14,450 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= i [2024-01-26 15:21:14,451 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= j [2024-01-26 15:21:14,451 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,451 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,451 INFO L98 nessWitnessExtractor]: Location invariant before [L173-L173] 0 <= j [2024-01-26 15:21:14,452 INFO L98 nessWitnessExtractor]: Location invariant before [L173-L173] 0 <= i [2024-01-26 15:21:14,453 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] 0 <= j [2024-01-26 15:21:14,454 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] 0 <= i [2024-01-26 15:21:14,454 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,454 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,458 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= i [2024-01-26 15:21:14,458 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 1 <= j [2024-01-26 15:21:14,458 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,458 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= j [2024-01-26 15:21:14,459 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= i [2024-01-26 15:21:14,459 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,459 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] 0 <= j [2024-01-26 15:21:14,459 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,459 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] 0 <= i [2024-01-26 15:21:14,459 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,459 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,459 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] 0 <= i [2024-01-26 15:21:14,459 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] 0 <= j [2024-01-26 15:21:14,460 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] 0 <= i [2024-01-26 15:21:14,460 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,460 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] 0 <= j [2024-01-26 15:21:14,460 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] total == 0 [2024-01-26 15:21:14,460 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] j == 0 [2024-01-26 15:21:14,460 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] i == 0 [2024-01-26 15:21:14,461 INFO L98 nessWitnessExtractor]: Location invariant before [L160-L160] i == 0 [2024-01-26 15:21:14,461 INFO L98 nessWitnessExtractor]: Location invariant before [L160-L160] q2 == 0 [2024-01-26 15:21:14,461 INFO L98 nessWitnessExtractor]: Location invariant before [L160-L160] total == 0 [2024-01-26 15:21:14,461 INFO L98 nessWitnessExtractor]: Location invariant before [L160-L160] j == 0 [2024-01-26 15:21:14,461 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,461 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] 0 <= i [2024-01-26 15:21:14,461 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] 0 <= j [2024-01-26 15:21:14,462 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,462 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] j == 0 [2024-01-26 15:21:14,462 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q1 == 0 [2024-01-26 15:21:14,462 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q2 == 0 [2024-01-26 15:21:14,462 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] total == 0 [2024-01-26 15:21:14,462 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] n2 == 0 [2024-01-26 15:21:14,463 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] i == 0 [2024-01-26 15:21:14,463 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] n1 == 0 [2024-01-26 15:21:14,463 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 0 <= i [2024-01-26 15:21:14,463 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,463 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 0 <= j [2024-01-26 15:21:14,463 INFO L98 nessWitnessExtractor]: Loop invariant at [L91-L100] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,463 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] total == 0 [2024-01-26 15:21:14,463 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] 0 <= i [2024-01-26 15:21:14,463 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] i == 0 [2024-01-26 15:21:14,464 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] j == 0 [2024-01-26 15:21:14,464 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] q2 == 0 [2024-01-26 15:21:14,464 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] total == 0 [2024-01-26 15:21:14,464 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] i == 0 [2024-01-26 15:21:14,464 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] q1 == 0 [2024-01-26 15:21:14,464 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] q2 == 0 [2024-01-26 15:21:14,465 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] j == 0 [2024-01-26 15:21:14,465 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q1 == 0 [2024-01-26 15:21:14,465 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] i == 0 [2024-01-26 15:21:14,465 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] N == 0 [2024-01-26 15:21:14,465 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q2 == 0 [2024-01-26 15:21:14,465 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] j == 0 [2024-01-26 15:21:14,465 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] n1 == 0 [2024-01-26 15:21:14,465 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q1_front == 0 [2024-01-26 15:21:14,466 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] total == 0 [2024-01-26 15:21:14,466 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] C == 0 [2024-01-26 15:21:14,466 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q2_back == 0 [2024-01-26 15:21:14,466 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q1_back == 0 [2024-01-26 15:21:14,466 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] M == 0 [2024-01-26 15:21:14,466 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] n2 == 0 [2024-01-26 15:21:14,466 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q2_front == 0 [2024-01-26 15:21:14,466 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] 0 <= j [2024-01-26 15:21:14,466 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,467 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] 0 <= i [2024-01-26 15:21:14,467 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] total == 0 [2024-01-26 15:21:14,467 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] q2 == 0 [2024-01-26 15:21:14,467 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] i == 0 [2024-01-26 15:21:14,467 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] j == 0 [2024-01-26 15:21:14,467 INFO L98 nessWitnessExtractor]: Loop invariant at [L164-L166] i == 0 [2024-01-26 15:21:14,469 INFO L98 nessWitnessExtractor]: Loop invariant at [L164-L166] q2 == 0 [2024-01-26 15:21:14,469 INFO L98 nessWitnessExtractor]: Loop invariant at [L164-L166] j == 0 [2024-01-26 15:21:14,469 INFO L98 nessWitnessExtractor]: Loop invariant at [L164-L166] total == 0 [2024-01-26 15:21:14,469 INFO L98 nessWitnessExtractor]: Loop invariant at [L164-L166] (size != 0 && ((((((((8 <= size && 8 <= i) || (7 <= size && i == 7)) || (6 <= size && i == 6)) || (5 <= size && i == 5)) || (4 <= size && i == 4)) || (3 <= size && i == 3)) || (2 <= size && i == 2)) || (1 <= size && i == 1))) || (0 == i && i == 0) [2024-01-26 15:21:14,469 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,469 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] 0 <= i [2024-01-26 15:21:14,469 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,469 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] 0 <= j [2024-01-26 15:21:14,469 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] j == 0 [2024-01-26 15:21:14,470 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] total == 0 [2024-01-26 15:21:14,470 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] q2 == 0 [2024-01-26 15:21:14,470 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] i == 0 [2024-01-26 15:21:14,470 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] n1 == 0 [2024-01-26 15:21:14,470 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2 == 0 [2024-01-26 15:21:14,470 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1_back == 0 [2024-01-26 15:21:14,471 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] i == 0 [2024-01-26 15:21:14,471 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1 == 0 [2024-01-26 15:21:14,471 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] j == 0 [2024-01-26 15:21:14,471 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] total == 0 [2024-01-26 15:21:14,471 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2_front == 0 [2024-01-26 15:21:14,471 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2_back == 0 [2024-01-26 15:21:14,471 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] n2 == 0 [2024-01-26 15:21:14,471 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] (unsigned long )_argptr == 0UL [2024-01-26 15:21:14,471 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= j [2024-01-26 15:21:14,472 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= i [2024-01-26 15:21:14,472 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] q2 == 0 [2024-01-26 15:21:14,472 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] j == 0 [2024-01-26 15:21:14,472 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] i == 0 [2024-01-26 15:21:14,472 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] total == 0 [2024-01-26 15:21:14,496 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 15:21:14,675 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-bad-buffer-mult-alt.wvr.c[4345,4358] [2024-01-26 15:21:14,689 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 15:21:14,696 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 15:21:14,705 WARN L424 MainDispatcher]: Unable to annotate extern int pthread_create (pthread_t *__restrict __newthread, const pthread_attr_t *__restrict __attr, void *(*__start_routine) (void *), void *__restrict __arg) __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1, 3))); with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-26 15:21:14,796 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-bad-buffer-mult-alt.wvr.c[4345,4358] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-26 15:21:14,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 15:21:14,827 INFO L206 MainTranslator]: Completed translation [2024-01-26 15:21:14,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:14 WrapperNode [2024-01-26 15:21:14,827 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 15:21:14,828 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 15:21:14,828 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 15:21:14,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 15:21:14,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:14" (1/1) ... [2024-01-26 15:21:14,845 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:14" (1/1) ... [2024-01-26 15:21:14,874 INFO L138 Inliner]: procedures = 26, calls = 79, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 667 [2024-01-26 15:21:14,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 15:21:14,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 15:21:14,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 15:21:14,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 15:21:14,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:14" (1/1) ... [2024-01-26 15:21:14,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:14" (1/1) ... [2024-01-26 15:21:14,894 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:14" (1/1) ... [2024-01-26 15:21:14,923 INFO L175 MemorySlicer]: Split 16 memory accesses to 6 slices as follows [2, 2, 2, 6, 2, 2]. 38 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 6 writes are split as follows [0, 1, 1, 2, 1, 1]. [2024-01-26 15:21:14,924 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:14" (1/1) ... [2024-01-26 15:21:14,924 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:14" (1/1) ... [2024-01-26 15:21:14,939 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:14" (1/1) ... [2024-01-26 15:21:14,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:14" (1/1) ... [2024-01-26 15:21:14,944 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:14" (1/1) ... [2024-01-26 15:21:14,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:14" (1/1) ... [2024-01-26 15:21:14,948 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 15:21:14,949 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 15:21:14,949 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 15:21:14,949 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 15:21:14,950 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:14" (1/1) ... [2024-01-26 15:21:14,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-26 15:21:14,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-26 15:21:15,001 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) [2024-01-26 15:21:15,006 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 [2024-01-26 15:21:15,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 15:21:15,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 15:21:15,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-26 15:21:15,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-26 15:21:15,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-26 15:21:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-26 15:21:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-26 15:21:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-01-26 15:21:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-26 15:21:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-26 15:21:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-26 15:21:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-26 15:21:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-26 15:21:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-01-26 15:21:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 15:21:15,030 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 15:21:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 15:21:15,030 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 15:21:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-26 15:21:15,030 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-26 15:21:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-26 15:21:15,030 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-26 15:21:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-26 15:21:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-26 15:21:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-26 15:21:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-26 15:21:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-26 15:21:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-01-26 15:21:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-26 15:21:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-26 15:21:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-26 15:21:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 15:21:15,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 15:21:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 15:21:15,033 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-26 15:21:15,173 INFO L244 CfgBuilder]: Building ICFG [2024-01-26 15:21:15,175 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 15:21:15,920 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-26 15:21:15,921 INFO L293 CfgBuilder]: Performing block encoding [2024-01-26 15:21:16,669 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 15:21:16,670 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-01-26 15:21:16,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 03:21:16 BoogieIcfgContainer [2024-01-26 15:21:16,671 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 15:21:16,697 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 15:21:16,697 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 15:21:16,699 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 15:21:16,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:21:13" (1/4) ... [2024-01-26 15:21:16,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534ad8f6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.01 03:21:16, skipping insertion in model container [2024-01-26 15:21:16,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 03:21:14" (2/4) ... [2024-01-26 15:21:16,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534ad8f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 03:21:16, skipping insertion in model container [2024-01-26 15:21:16,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:14" (3/4) ... [2024-01-26 15:21:16,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534ad8f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 03:21:16, skipping insertion in model container [2024-01-26 15:21:16,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 03:21:16" (4/4) ... [2024-01-26 15:21:16,701 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt.wvr.c [2024-01-26 15:21:16,717 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 15:21:16,717 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 333 error locations. [2024-01-26 15:21:16,717 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 15:21:16,869 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-26 15:21:16,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 594 places, 587 transitions, 1202 flow [2024-01-26 15:21:17,061 INFO L124 PetriNetUnfolderBase]: 6/583 cut-off events. [2024-01-26 15:21:17,061 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-26 15:21:17,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 600 conditions, 583 events. 6/583 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1861 event pairs, 0 based on Foata normal form. 0/244 useless extension candidates. Maximal degree in co-relation 523. Up to 2 conditions per place. [2024-01-26 15:21:17,075 INFO L82 GeneralOperation]: Start removeDead. Operand has 594 places, 587 transitions, 1202 flow [2024-01-26 15:21:17,086 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 589 places, 582 transitions, 1188 flow [2024-01-26 15:21:17,139 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-26 15:21:17,160 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;@366948f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 15:21:17,160 INFO L358 AbstractCegarLoop]: Starting to check reachability of 493 error locations. [2024-01-26 15:21:17,162 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-26 15:21:17,162 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-26 15:21:17,162 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-26 15:21:17,162 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:21:17,162 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-26 15:21:17,163 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 490 more)] === [2024-01-26 15:21:17,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:21:17,166 INFO L85 PathProgramCache]: Analyzing trace with hash 84505, now seen corresponding path program 1 times [2024-01-26 15:21:17,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:21:17,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215449116] [2024-01-26 15:21:17,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:21:17,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:21:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:21:17,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:21:17,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:21:17,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215449116] [2024-01-26 15:21:17,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215449116] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:21:17,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:21:17,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-26 15:21:17,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102879] [2024-01-26 15:21:17,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:21:17,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:21:17,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:21:17,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:21:17,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:21:17,481 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 379 out of 587 [2024-01-26 15:21:17,487 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 589 places, 582 transitions, 1188 flow. Second operand has 3 states, 3 states have (on average 379.6666666666667) internal successors, (1139), 3 states have internal predecessors, (1139), 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) [2024-01-26 15:21:17,487 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:21:17,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 379 of 587 [2024-01-26 15:21:17,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand