./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.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-more-buffer-series.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-more-buffer-series.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-more-buffer-series.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 15:21:45,338 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 15:21:45,402 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-26 15:21:45,407 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 15:21:45,408 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 15:21:45,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 15:21:45,591 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 15:21:45,591 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 15:21:45,592 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-26 15:21:45,592 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-26 15:21:45,592 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 15:21:45,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 15:21:45,594 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 15:21:45,594 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 15:21:45,594 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 15:21:45,595 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 15:21:45,595 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 15:21:45,596 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 15:21:45,596 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 15:21:45,600 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 15:21:45,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 15:21:45,601 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 15:21:45,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 15:21:45,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 15:21:45,601 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-26 15:21:45,602 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 15:21:45,602 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 15:21:45,602 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 15:21:45,603 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 15:21:45,603 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 15:21:45,604 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-26 15:21:45,604 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 15:21:45,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-26 15:21:45,604 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 15:21:45,604 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 15:21:45,605 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-26 15:21:45,605 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 15:21:45,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 15:21:45,605 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 15:21:45,605 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-26 15:21:45,605 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 15:21:45,606 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-26 15:21:45,606 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-26 15:21:45,606 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-26 15:21:45,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 15:21:45,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 15:21:45,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 15:21:45,865 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-26 15:21:45,866 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-26 15:21:45,867 INFO L431 ainManager$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-more-buffer-series.wvr.yml/witness.yml [2024-01-26 15:21:46,080 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 15:21:46,080 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 15:21:46,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2024-01-26 15:21:47,172 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 15:21:47,340 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 15:21:47,341 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2024-01-26 15:21:47,349 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7d3eea62/b0a073fa5a9e48699cbc34dc2190d4c0/FLAGbda58b785 [2024-01-26 15:21:47,363 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7d3eea62/b0a073fa5a9e48699cbc34dc2190d4c0 [2024-01-26 15:21:47,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 15:21:47,365 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 15:21:47,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 15:21:47,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 15:21:47,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 15:21:47,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:21:46" (1/2) ... [2024-01-26 15:21:47,372 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@634657d9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:21:47, skipping insertion in model container [2024-01-26 15:21:47,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:21:46" (1/2) ... [2024-01-26 15:21:47,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@64097a78 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:21:47, skipping insertion in model container [2024-01-26 15:21:47,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 03:21:47" (2/2) ... [2024-01-26 15:21:47,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@634657d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:47, skipping insertion in model container [2024-01-26 15:21:47,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 03:21:47" (2/2) ... [2024-01-26 15:21:47,374 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-26 15:21:47,464 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-26 15:21:47,465 INFO L98 nessWitnessExtractor]: Loop invariant at [L114-L123] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,465 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,465 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] 0 <= j [2024-01-26 15:21:47,465 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] 0 <= i [2024-01-26 15:21:47,466 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= i [2024-01-26 15:21:47,466 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,466 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= j [2024-01-26 15:21:47,467 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= i [2024-01-26 15:21:47,467 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,467 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= j [2024-01-26 15:21:47,467 INFO L98 nessWitnessExtractor]: Location invariant before [L102-L102] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,467 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,467 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,467 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= q1_back [2024-01-26 15:21:47,467 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= j [2024-01-26 15:21:47,468 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= i [2024-01-26 15:21:47,468 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] 0 <= j [2024-01-26 15:21:47,468 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] 0 <= i [2024-01-26 15:21:47,468 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,468 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= i [2024-01-26 15:21:47,469 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= j [2024-01-26 15:21:47,469 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,469 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,469 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,469 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] 0 <= i [2024-01-26 15:21:47,469 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] 0 <= j [2024-01-26 15:21:47,469 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] q2 == 0 [2024-01-26 15:21:47,469 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] total == 0 [2024-01-26 15:21:47,469 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] f == 0 [2024-01-26 15:21:47,470 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] q2_back == 0 [2024-01-26 15:21:47,470 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] j == 0 [2024-01-26 15:21:47,470 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] q1 == 0 [2024-01-26 15:21:47,470 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] i == 0 [2024-01-26 15:21:47,470 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,470 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= j [2024-01-26 15:21:47,470 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= i [2024-01-26 15:21:47,471 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= i [2024-01-26 15:21:47,471 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= j [2024-01-26 15:21:47,472 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,472 INFO L98 nessWitnessExtractor]: Loop invariant at [L165-L167] j == 0 [2024-01-26 15:21:47,472 INFO L98 nessWitnessExtractor]: Loop invariant at [L165-L167] f == 0 [2024-01-26 15:21:47,472 INFO L98 nessWitnessExtractor]: Loop invariant at [L165-L167] i == 0 [2024-01-26 15:21:47,473 INFO L98 nessWitnessExtractor]: Loop invariant at [L165-L167] (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 15:21:47,473 INFO L98 nessWitnessExtractor]: Loop invariant at [L165-L167] total == 0 [2024-01-26 15:21:47,473 INFO L98 nessWitnessExtractor]: Location invariant before [L173-L173] 0 <= j [2024-01-26 15:21:47,473 INFO L98 nessWitnessExtractor]: Location invariant before [L173-L173] 0 <= i [2024-01-26 15:21:47,473 INFO L98 nessWitnessExtractor]: Location invariant before [L173-L173] b != 0 [2024-01-26 15:21:47,473 INFO L98 nessWitnessExtractor]: Location invariant before [L173-L173] 1 <= b [2024-01-26 15:21:47,473 INFO L98 nessWitnessExtractor]: Location invariant before [L121-L121] 0 <= j [2024-01-26 15:21:47,474 INFO L98 nessWitnessExtractor]: Location invariant before [L121-L121] 0 <= i [2024-01-26 15:21:47,474 INFO L98 nessWitnessExtractor]: Location invariant before [L121-L121] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,474 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= i [2024-01-26 15:21:47,474 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,475 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= j [2024-01-26 15:21:47,475 INFO L98 nessWitnessExtractor]: Location invariant before [L174-L174] 0 <= i [2024-01-26 15:21:47,475 INFO L98 nessWitnessExtractor]: Location invariant before [L174-L174] 0 <= j [2024-01-26 15:21:47,475 INFO L98 nessWitnessExtractor]: Location invariant before [L162-L162] total == 0 [2024-01-26 15:21:47,476 INFO L98 nessWitnessExtractor]: Location invariant before [L162-L162] i == 0 [2024-01-26 15:21:47,476 INFO L98 nessWitnessExtractor]: Location invariant before [L162-L162] j == 0 [2024-01-26 15:21:47,476 INFO L98 nessWitnessExtractor]: Location invariant before [L162-L162] f == 0 [2024-01-26 15:21:47,476 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] 0 <= j [2024-01-26 15:21:47,476 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,477 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] 0 <= i [2024-01-26 15:21:47,477 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] 1 <= j [2024-01-26 15:21:47,477 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,477 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] 0 <= i [2024-01-26 15:21:47,477 INFO L98 nessWitnessExtractor]: Location invariant before [L119-L119] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,477 INFO L98 nessWitnessExtractor]: Location invariant before [L119-L119] 0 <= j [2024-01-26 15:21:47,477 INFO L98 nessWitnessExtractor]: Location invariant before [L119-L119] -2147483647 <= q2_front [2024-01-26 15:21:47,477 INFO L98 nessWitnessExtractor]: Location invariant before [L119-L119] 0 <= i [2024-01-26 15:21:47,478 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,478 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] 0 <= i [2024-01-26 15:21:47,478 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] 0 <= j [2024-01-26 15:21:47,478 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,478 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,478 INFO L98 nessWitnessExtractor]: Loop invariant at [L73-L87] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,478 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] i == 0 [2024-01-26 15:21:47,478 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q1 == 0 [2024-01-26 15:21:47,478 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q1_back == 0 [2024-01-26 15:21:47,479 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] total == 0 [2024-01-26 15:21:47,479 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2 == 0 [2024-01-26 15:21:47,479 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] f == 0 [2024-01-26 15:21:47,479 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] n2 == 0 [2024-01-26 15:21:47,479 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2_back == 0 [2024-01-26 15:21:47,479 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q1_front == 0 [2024-01-26 15:21:47,479 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2_front == 0 [2024-01-26 15:21:47,479 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] j == 0 [2024-01-26 15:21:47,479 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] -2147483647 <= q1_back [2024-01-26 15:21:47,480 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,480 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] 0 <= i [2024-01-26 15:21:47,480 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] 0 <= j [2024-01-26 15:21:47,480 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,480 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,480 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] 0 <= j [2024-01-26 15:21:47,480 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] 0 <= i [2024-01-26 15:21:47,480 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,480 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] 0 <= j [2024-01-26 15:21:47,481 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] 0 <= i [2024-01-26 15:21:47,481 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,481 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,481 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= j [2024-01-26 15:21:47,481 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= i [2024-01-26 15:21:47,481 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,481 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= j [2024-01-26 15:21:47,482 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= i [2024-01-26 15:21:47,482 INFO L98 nessWitnessExtractor]: Location invariant before [L120-L120] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,482 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 1 <= i [2024-01-26 15:21:47,482 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 0 <= j [2024-01-26 15:21:47,483 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,483 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] 0 <= j [2024-01-26 15:21:47,484 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] -2147483647 <= q1_back [2024-01-26 15:21:47,484 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] 0 <= i [2024-01-26 15:21:47,484 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,484 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] q1_front <= 2147483646 [2024-01-26 15:21:47,484 INFO L98 nessWitnessExtractor]: Loop invariant at [L96-L105] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,485 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,485 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] 0 <= j [2024-01-26 15:21:47,485 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] 0 <= i [2024-01-26 15:21:47,485 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,485 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,485 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] -2147483647 <= q2_back [2024-01-26 15:21:47,485 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] 0 <= j [2024-01-26 15:21:47,485 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,485 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] 0 <= i [2024-01-26 15:21:47,486 INFO L98 nessWitnessExtractor]: Location invariant before [L142-L142] i == 0 [2024-01-26 15:21:47,486 INFO L98 nessWitnessExtractor]: Location invariant before [L142-L142] total == 0 [2024-01-26 15:21:47,486 INFO L98 nessWitnessExtractor]: Location invariant before [L142-L142] j == 0 [2024-01-26 15:21:47,486 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,486 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] 0 <= j [2024-01-26 15:21:47,486 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] 0 <= i [2024-01-26 15:21:47,486 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= j [2024-01-26 15:21:47,486 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= i [2024-01-26 15:21:47,487 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,487 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] 0 <= j [2024-01-26 15:21:47,487 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] 0 <= i [2024-01-26 15:21:47,487 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,487 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q1 == 0 [2024-01-26 15:21:47,487 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q1_back == 0 [2024-01-26 15:21:47,487 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q2_front == 0 [2024-01-26 15:21:47,487 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] total == 0 [2024-01-26 15:21:47,487 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q2 == 0 [2024-01-26 15:21:47,488 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] f == 0 [2024-01-26 15:21:47,488 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] j == 0 [2024-01-26 15:21:47,488 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q2_back == 0 [2024-01-26 15:21:47,488 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] i == 0 [2024-01-26 15:21:47,488 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] i == 0 [2024-01-26 15:21:47,489 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] q2 == 0 [2024-01-26 15:21:47,489 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] j == 0 [2024-01-26 15:21:47,489 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] total == 0 [2024-01-26 15:21:47,489 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] f == 0 [2024-01-26 15:21:47,490 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,490 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] 0 <= i [2024-01-26 15:21:47,490 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] 0 <= j [2024-01-26 15:21:47,490 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1_front == 0 [2024-01-26 15:21:47,490 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] n2 == 0 [2024-01-26 15:21:47,491 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2_back == 0 [2024-01-26 15:21:47,491 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] f == 0 [2024-01-26 15:21:47,491 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1 == 0 [2024-01-26 15:21:47,491 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] j == 0 [2024-01-26 15:21:47,491 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] total == 0 [2024-01-26 15:21:47,491 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2 == 0 [2024-01-26 15:21:47,491 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1_back == 0 [2024-01-26 15:21:47,492 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] i == 0 [2024-01-26 15:21:47,492 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] n1 == 0 [2024-01-26 15:21:47,492 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2_front == 0 [2024-01-26 15:21:47,492 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] N == 0 [2024-01-26 15:21:47,492 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] 0 <= j [2024-01-26 15:21:47,493 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] 0 <= i [2024-01-26 15:21:47,493 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,493 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,493 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,493 INFO L98 nessWitnessExtractor]: Loop invariant at [L51-L64] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,493 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] total == 0 [2024-01-26 15:21:47,493 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] q2 == 0 [2024-01-26 15:21:47,494 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] j == 0 [2024-01-26 15:21:47,494 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] f == 0 [2024-01-26 15:21:47,494 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] q1 == 0 [2024-01-26 15:21:47,494 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] i == 0 [2024-01-26 15:21:47,494 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,495 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] 0 <= j [2024-01-26 15:21:47,495 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] 0 <= i [2024-01-26 15:21:47,497 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] 0 <= q2_back [2024-01-26 15:21:47,498 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,498 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] 0 <= i [2024-01-26 15:21:47,498 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,503 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] 0 <= j [2024-01-26 15:21:47,503 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,503 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,504 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= i [2024-01-26 15:21:47,504 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= j [2024-01-26 15:21:47,504 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,504 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] -2147483647 <= q2_back [2024-01-26 15:21:47,504 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,504 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] 0 <= j [2024-01-26 15:21:47,504 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] q2_front <= 2147483646 [2024-01-26 15:21:47,504 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] 0 <= i [2024-01-26 15:21:47,505 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,505 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] 0 <= j [2024-01-26 15:21:47,505 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] 0 <= i [2024-01-26 15:21:47,505 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,505 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= j [2024-01-26 15:21:47,505 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= i [2024-01-26 15:21:47,505 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] i == 0 [2024-01-26 15:21:47,505 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] size != 0 [2024-01-26 15:21:47,505 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] j == 0 [2024-01-26 15:21:47,505 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] (((((((((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 15:21:47,506 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] total == 0 [2024-01-26 15:21:47,506 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] f == 0 [2024-01-26 15:21:47,506 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] f == 0 [2024-01-26 15:21:47,506 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] i == 0 [2024-01-26 15:21:47,506 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] total == 0 [2024-01-26 15:21:47,506 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] q1 == 0 [2024-01-26 15:21:47,507 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] q2_back == 0 [2024-01-26 15:21:47,507 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] q2 == 0 [2024-01-26 15:21:47,507 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] q2_front == 0 [2024-01-26 15:21:47,507 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] j == 0 [2024-01-26 15:21:47,507 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] total == 0 [2024-01-26 15:21:47,507 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q1_back == 0 [2024-01-26 15:21:47,507 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] f == 0 [2024-01-26 15:21:47,507 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q1 == 0 [2024-01-26 15:21:47,507 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q1_front == 0 [2024-01-26 15:21:47,507 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] j == 0 [2024-01-26 15:21:47,508 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] i == 0 [2024-01-26 15:21:47,508 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q2 == 0 [2024-01-26 15:21:47,508 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q2_front == 0 [2024-01-26 15:21:47,508 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q2_back == 0 [2024-01-26 15:21:47,508 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,508 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,508 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] j == 0 [2024-01-26 15:21:47,508 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] total == 0 [2024-01-26 15:21:47,508 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] f == 0 [2024-01-26 15:21:47,508 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] i == 0 [2024-01-26 15:21:47,509 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] 0 <= i [2024-01-26 15:21:47,509 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] f == 0 [2024-01-26 15:21:47,509 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] j == 0 [2024-01-26 15:21:47,509 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] total == 0 [2024-01-26 15:21:47,509 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] i == 0 [2024-01-26 15:21:47,509 INFO L98 nessWitnessExtractor]: Location invariant before [L164-L164] f == 0 [2024-01-26 15:21:47,509 INFO L98 nessWitnessExtractor]: Location invariant before [L164-L164] j == 0 [2024-01-26 15:21:47,509 INFO L98 nessWitnessExtractor]: Location invariant before [L164-L164] i == 0 [2024-01-26 15:21:47,509 INFO L98 nessWitnessExtractor]: Location invariant before [L164-L164] total == 0 [2024-01-26 15:21:47,509 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] 0 <= j [2024-01-26 15:21:47,510 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] 0 <= i [2024-01-26 15:21:47,510 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] -2147483647 <= q1_front [2024-01-26 15:21:47,510 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,510 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= j [2024-01-26 15:21:47,510 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,510 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= i [2024-01-26 15:21:47,510 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] f == 0 [2024-01-26 15:21:47,510 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] total == 0 [2024-01-26 15:21:47,510 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] i == 0 [2024-01-26 15:21:47,510 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] j == 0 [2024-01-26 15:21:47,510 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,511 INFO L98 nessWitnessExtractor]: Location invariant before [L172-L172] 0 <= j [2024-01-26 15:21:47,511 INFO L98 nessWitnessExtractor]: Location invariant before [L172-L172] 0 <= i [2024-01-26 15:21:47,512 INFO L98 nessWitnessExtractor]: Location invariant before [L172-L172] b <= -1 [2024-01-26 15:21:47,512 INFO L98 nessWitnessExtractor]: Location invariant before [L172-L172] b != 0 [2024-01-26 15:21:47,512 INFO L98 nessWitnessExtractor]: Location invariant before [L118-L118] 0 <= i [2024-01-26 15:21:47,513 INFO L98 nessWitnessExtractor]: Location invariant before [L118-L118] 0 <= j [2024-01-26 15:21:47,513 INFO L98 nessWitnessExtractor]: Location invariant before [L118-L118] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,513 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] 0 <= i [2024-01-26 15:21:47,513 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] (unsigned long )_argptr == 0UL [2024-01-26 15:21:47,513 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] 0 <= j [2024-01-26 15:21:47,513 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] f == 0 [2024-01-26 15:21:47,514 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1_back == 0 [2024-01-26 15:21:47,514 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] j == 0 [2024-01-26 15:21:47,514 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] n2 == 0 [2024-01-26 15:21:47,514 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2 == 0 [2024-01-26 15:21:47,514 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1_front == 0 [2024-01-26 15:21:47,514 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2_back == 0 [2024-01-26 15:21:47,514 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1 == 0 [2024-01-26 15:21:47,514 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] i == 0 [2024-01-26 15:21:47,515 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] n1 == 0 [2024-01-26 15:21:47,515 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] total == 0 [2024-01-26 15:21:47,515 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2_front == 0 [2024-01-26 15:21:47,515 INFO L98 nessWitnessExtractor]: Location invariant before [L145-L145] total == 0 [2024-01-26 15:21:47,515 INFO L98 nessWitnessExtractor]: Location invariant before [L145-L145] i == 0 [2024-01-26 15:21:47,515 INFO L98 nessWitnessExtractor]: Location invariant before [L145-L145] j == 0 [2024-01-26 15:21:47,515 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] i == 0 [2024-01-26 15:21:47,515 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] f == 0 [2024-01-26 15:21:47,515 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] total == 0 [2024-01-26 15:21:47,516 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] j == 0 [2024-01-26 15:21:47,547 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 15:21:47,712 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-more-buffer-series.wvr.c[4403,4416] [2024-01-26 15:21:47,720 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 15:21:47,731 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 15:21:47,743 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 [2024-01-26 15:21:47,889 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-more-buffer-series.wvr.c[4403,4416] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local 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 15:21:47,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 15:21:47,910 INFO L206 MainTranslator]: Completed translation [2024-01-26 15:21:47,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:47 WrapperNode [2024-01-26 15:21:47,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 15:21:47,911 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 15:21:47,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 15:21:47,911 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 15:21:47,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:47" (1/1) ... [2024-01-26 15:21:47,928 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:47" (1/1) ... [2024-01-26 15:21:47,971 INFO L138 Inliner]: procedures = 27, calls = 87, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 727 [2024-01-26 15:21:47,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 15:21:47,973 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 15:21:47,973 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 15:21:47,973 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 15:21:47,982 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:47" (1/1) ... [2024-01-26 15:21:47,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:47" (1/1) ... [2024-01-26 15:21:48,007 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:47" (1/1) ... [2024-01-26 15:21:48,024 INFO L175 MemorySlicer]: Split 20 memory accesses to 6 slices as follows [2, 2, 10, 2, 2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 7 writes are split as follows [0, 1, 3, 1, 1, 1]. [2024-01-26 15:21:48,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:47" (1/1) ... [2024-01-26 15:21:48,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:47" (1/1) ... [2024-01-26 15:21:48,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:47" (1/1) ... [2024-01-26 15:21:48,082 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:47" (1/1) ... [2024-01-26 15:21:48,084 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:47" (1/1) ... [2024-01-26 15:21:48,086 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:47" (1/1) ... [2024-01-26 15:21:48,091 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 15:21:48,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 15:21:48,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 15:21:48,091 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 15:21:48,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:47" (1/1) ... [2024-01-26 15:21:48,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-26 15:21:48,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-26 15:21:48,154 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 15:21:48,156 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 15:21:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 15:21:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 15:21:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-26 15:21:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-26 15:21:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-26 15:21:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-26 15:21:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-26 15:21:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-01-26 15:21:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-26 15:21:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-26 15:21:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-26 15:21:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-26 15:21:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-26 15:21:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-01-26 15:21:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 15:21:48,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 15:21:48,193 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 15:21:48,193 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 15:21:48,193 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-26 15:21:48,193 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-26 15:21:48,193 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-26 15:21:48,193 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-26 15:21:48,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-26 15:21:48,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-26 15:21:48,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-26 15:21:48,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-26 15:21:48,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-26 15:21:48,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-01-26 15:21:48,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-26 15:21:48,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-26 15:21:48,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-26 15:21:48,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 15:21:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 15:21:48,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 15:21:48,196 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 15:21:48,301 INFO L244 CfgBuilder]: Building ICFG [2024-01-26 15:21:48,303 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 15:21:49,174 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-26 15:21:49,174 INFO L293 CfgBuilder]: Performing block encoding [2024-01-26 15:21:49,878 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 15:21:49,878 INFO L320 CfgBuilder]: Removed 7 assume(true) statements. [2024-01-26 15:21:49,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 03:21:49 BoogieIcfgContainer [2024-01-26 15:21:49,879 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 15:21:49,882 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 15:21:49,882 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 15:21:49,884 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 15:21:49,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:21:46" (1/4) ... [2024-01-26 15:21:49,885 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1603cd20 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.01 03:21:49, skipping insertion in model container [2024-01-26 15:21:49,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 03:21:47" (2/4) ... [2024-01-26 15:21:49,885 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1603cd20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 03:21:49, skipping insertion in model container [2024-01-26 15:21:49,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:47" (3/4) ... [2024-01-26 15:21:49,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1603cd20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 03:21:49, skipping insertion in model container [2024-01-26 15:21:49,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 03:21:49" (4/4) ... [2024-01-26 15:21:49,888 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series.wvr.c [2024-01-26 15:21:49,902 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 15:21:49,903 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 364 error locations. [2024-01-26 15:21:49,903 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 15:21:50,096 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-26 15:21:50,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 640 places, 634 transitions, 1296 flow [2024-01-26 15:21:50,335 INFO L124 PetriNetUnfolderBase]: 7/630 cut-off events. [2024-01-26 15:21:50,337 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-26 15:21:50,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 647 conditions, 630 events. 7/630 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2081 event pairs, 0 based on Foata normal form. 0/259 useless extension candidates. Maximal degree in co-relation 569. Up to 2 conditions per place. [2024-01-26 15:21:50,344 INFO L82 GeneralOperation]: Start removeDead. Operand has 640 places, 634 transitions, 1296 flow [2024-01-26 15:21:50,359 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 635 places, 629 transitions, 1282 flow [2024-01-26 15:21:50,371 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-26 15:21:50,377 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;@a7b7cc2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 15:21:50,378 INFO L358 AbstractCegarLoop]: Starting to check reachability of 541 error locations. [2024-01-26 15:21:50,379 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-26 15:21:50,379 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-26 15:21:50,380 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-26 15:21:50,380 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:21:50,380 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-26 15:21:50,381 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 538 more)] === [2024-01-26 15:21:50,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:21:50,387 INFO L85 PathProgramCache]: Analyzing trace with hash 92186, now seen corresponding path program 1 times [2024-01-26 15:21:50,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:21:50,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945001529] [2024-01-26 15:21:50,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:21:50,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:21:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:21:50,552 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 15:21:50,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:21:50,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945001529] [2024-01-26 15:21:50,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945001529] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:21:50,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:21:50,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-26 15:21:50,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634361112] [2024-01-26 15:21:50,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:21:50,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:21:50,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:21:50,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:21:50,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:21:50,599 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 634 [2024-01-26 15:21:50,606 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 635 places, 629 transitions, 1282 flow. Second operand has 3 states, 3 states have (on average 415.6666666666667) internal successors, (1247), 3 states have internal predecessors, (1247), 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 15:21:50,606 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:21:50,606 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 634 [2024-01-26 15:21:50,607 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand