./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.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-mult2.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a340643f 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-mult2.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-more-buffer-mult2.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-a340643-m [2024-01-27 14:52:03,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 14:52:03,678 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 14:52:03,682 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 14:52:03,682 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 14:52:03,708 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 14:52:03,708 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 14:52:03,709 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 14:52:03,709 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 14:52:03,709 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 14:52:03,710 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 14:52:03,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 14:52:03,712 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 14:52:03,712 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 14:52:03,712 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 14:52:03,713 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 14:52:03,713 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 14:52:03,713 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 14:52:03,714 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 14:52:03,714 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 14:52:03,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 14:52:03,717 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 14:52:03,717 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 14:52:03,718 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 14:52:03,718 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 14:52:03,718 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 14:52:03,718 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 14:52:03,718 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 14:52:03,719 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 14:52:03,719 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 14:52:03,719 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 14:52:03,719 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 14:52:03,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:52:03,720 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 14:52:03,723 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 14:52:03,723 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 14:52:03,724 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 14:52:03,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 14:52:03,724 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 14:52:03,724 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 14:52:03,724 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 14:52:03,725 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 14:52:03,725 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 14:52:03,725 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 14:52:03,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 14:52:03,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 14:52:03,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 14:52:03,907 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 14:52:03,907 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 14:52:03,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c [2024-01-27 14:52:04,940 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 14:52:05,104 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 14:52:05,105 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c [2024-01-27 14:52:05,111 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02e78d33d/abe6674a9da7443fa2fc766c72ccbb45/FLAG8e74a730b [2024-01-27 14:52:05,122 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02e78d33d/abe6674a9da7443fa2fc766c72ccbb45 [2024-01-27 14:52:05,124 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 14:52:05,124 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 14:52:05,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-more-buffer-mult2.wvr.yml/witness.yml [2024-01-27 14:52:05,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 14:52:05,286 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 14:52:05,287 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 14:52:05,287 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 14:52:05,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 14:52:05,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:52:05" (1/2) ... [2024-01-27 14:52:05,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4138df54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:05, skipping insertion in model container [2024-01-27 14:52:05,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:52:05" (1/2) ... [2024-01-27 14:52:05,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b1a0734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:05, skipping insertion in model container [2024-01-27 14:52:05,294 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:52:05" (2/2) ... [2024-01-27 14:52:05,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4138df54 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:52:05, skipping insertion in model container [2024-01-27 14:52:05,295 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:52:05" (2/2) ... [2024-01-27 14:52:05,295 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 14:52:05,365 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 14:52:05,366 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,366 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] 0 <= i [2024-01-27 14:52:05,367 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] 0 <= j [2024-01-27 14:52:05,367 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] -2147483647 <= q2_back [2024-01-27 14:52:05,367 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,368 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= i [2024-01-27 14:52:05,368 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= j [2024-01-27 14:52:05,368 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,368 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] -2147483647 <= q1_back [2024-01-27 14:52:05,368 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] 0 <= j [2024-01-27 14:52:05,368 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] 1 <= i [2024-01-27 14:52:05,368 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,368 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] 0 <= i [2024-01-27 14:52:05,369 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,369 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] 0 <= j [2024-01-27 14:52:05,369 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] 0 <= i [2024-01-27 14:52:05,369 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] i == 0 [2024-01-27 14:52:05,369 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] total == 0 [2024-01-27 14:52:05,369 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] q2 == 0 [2024-01-27 14:52:05,369 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] j == 0 [2024-01-27 14:52:05,370 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,370 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= j [2024-01-27 14:52:05,370 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= i [2024-01-27 14:52:05,370 INFO L98 nessWitnessExtractor]: Location invariant before [L106-L106] 0 <= i [2024-01-27 14:52:05,370 INFO L98 nessWitnessExtractor]: Location invariant before [L106-L106] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,371 INFO L98 nessWitnessExtractor]: Location invariant before [L106-L106] 0 <= j [2024-01-27 14:52:05,371 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,371 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= q1_back [2024-01-27 14:52:05,371 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= j [2024-01-27 14:52:05,371 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= i [2024-01-27 14:52:05,371 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] 0 <= j [2024-01-27 14:52:05,371 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] q2_front <= 2147483646 [2024-01-27 14:52:05,371 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] -2147483647 <= q2_back [2024-01-27 14:52:05,372 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] 0 <= i [2024-01-27 14:52:05,372 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,372 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,372 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] n1 == 0 [2024-01-27 14:52:05,372 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] j == 0 [2024-01-27 14:52:05,373 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] total == 0 [2024-01-27 14:52:05,373 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q2 == 0 [2024-01-27 14:52:05,374 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] n2 == 0 [2024-01-27 14:52:05,374 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q1_front == 0 [2024-01-27 14:52:05,374 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q1_back == 0 [2024-01-27 14:52:05,374 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] i == 0 [2024-01-27 14:52:05,374 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q2_back == 0 [2024-01-27 14:52:05,374 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q1 == 0 [2024-01-27 14:52:05,375 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q2_front == 0 [2024-01-27 14:52:05,375 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] 0 <= i [2024-01-27 14:52:05,375 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,375 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] 0 <= j [2024-01-27 14:52:05,375 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,375 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] 0 <= i [2024-01-27 14:52:05,376 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] 0 <= j [2024-01-27 14:52:05,376 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] i == 0 [2024-01-27 14:52:05,376 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] q2 == 0 [2024-01-27 14:52:05,376 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] q1_front == 0 [2024-01-27 14:52:05,377 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] n2 == 0 [2024-01-27 14:52:05,377 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] N == 0 [2024-01-27 14:52:05,377 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] total == 0 [2024-01-27 14:52:05,377 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] n1 == 0 [2024-01-27 14:52:05,378 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] q1_back == 0 [2024-01-27 14:52:05,378 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] q1 == 0 [2024-01-27 14:52:05,378 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] q2_front == 0 [2024-01-27 14:52:05,378 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] q2_back == 0 [2024-01-27 14:52:05,378 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] j == 0 [2024-01-27 14:52:05,378 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,378 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] 0 <= j [2024-01-27 14:52:05,378 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] 0 <= i [2024-01-27 14:52:05,379 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] j == 0 [2024-01-27 14:52:05,379 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q2_back == 0 [2024-01-27 14:52:05,379 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] total == 0 [2024-01-27 14:52:05,379 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q2_front == 0 [2024-01-27 14:52:05,379 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] i == 0 [2024-01-27 14:52:05,379 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q1 == 0 [2024-01-27 14:52:05,379 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q2 == 0 [2024-01-27 14:52:05,379 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q1_back == 0 [2024-01-27 14:52:05,380 INFO L98 nessWitnessExtractor]: Loop invariant at [L70-L80] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,380 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,380 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2_back == 0 [2024-01-27 14:52:05,380 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] i == 0 [2024-01-27 14:52:05,380 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] total == 0 [2024-01-27 14:52:05,380 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2 == 0 [2024-01-27 14:52:05,380 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] j == 0 [2024-01-27 14:52:05,380 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1 == 0 [2024-01-27 14:52:05,381 INFO L98 nessWitnessExtractor]: Loop invariant at [L107-L116] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,381 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,381 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] 0 <= i [2024-01-27 14:52:05,381 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] 0 <= j [2024-01-27 14:52:05,381 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] total == 0 [2024-01-27 14:52:05,381 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] i == 0 [2024-01-27 14:52:05,381 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2 == 0 [2024-01-27 14:52:05,388 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] j == 0 [2024-01-27 14:52:05,392 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] 0 <= i [2024-01-27 14:52:05,392 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] 0 <= j [2024-01-27 14:52:05,392 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,392 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,393 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,393 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] q2 == 0 [2024-01-27 14:52:05,393 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] j == 0 [2024-01-27 14:52:05,393 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] i == 0 [2024-01-27 14:52:05,393 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] total == 0 [2024-01-27 14:52:05,393 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] 0 <= i [2024-01-27 14:52:05,393 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] 0 <= j [2024-01-27 14:52:05,393 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,394 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,394 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 0 <= i [2024-01-27 14:52:05,394 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 0 <= j [2024-01-27 14:52:05,395 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,395 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= j [2024-01-27 14:52:05,396 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= i [2024-01-27 14:52:05,396 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,396 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] b != 0 [2024-01-27 14:52:05,396 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] 1 <= b [2024-01-27 14:52:05,397 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] 0 <= j [2024-01-27 14:52:05,397 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] 0 <= i [2024-01-27 14:52:05,397 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] 0 <= i [2024-01-27 14:52:05,397 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,397 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] 0 <= j [2024-01-27 14:52:05,398 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,398 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,398 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] 0 <= i [2024-01-27 14:52:05,398 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,398 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] 0 <= j [2024-01-27 14:52:05,398 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,398 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] 0 <= i [2024-01-27 14:52:05,398 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] 0 <= j [2024-01-27 14:52:05,399 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] -2147483647 <= q2_front [2024-01-27 14:52:05,399 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,399 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,399 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= j [2024-01-27 14:52:05,399 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= i [2024-01-27 14:52:05,399 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,399 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,399 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] j == 0 [2024-01-27 14:52:05,400 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] i == 0 [2024-01-27 14:52:05,400 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] total == 0 [2024-01-27 14:52:05,400 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,400 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 1 <= j [2024-01-27 14:52:05,400 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] -2147483647 <= q2_back [2024-01-27 14:52:05,400 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= i [2024-01-27 14:52:05,400 INFO L98 nessWitnessExtractor]: Location invariant before [L118-L118] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,401 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] total == 0 [2024-01-27 14:52:05,401 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] j == 0 [2024-01-27 14:52:05,401 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] q2 == 0 [2024-01-27 14:52:05,401 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] i == 0 [2024-01-27 14:52:05,402 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] i == 0 [2024-01-27 14:52:05,402 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] -2147483647 <= C [2024-01-27 14:52:05,402 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] j == 0 [2024-01-27 14:52:05,402 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] total == 0 [2024-01-27 14:52:05,402 INFO L98 nessWitnessExtractor]: Loop invariant at [L89-L98] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,402 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= i [2024-01-27 14:52:05,403 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,403 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= j [2024-01-27 14:52:05,403 INFO L98 nessWitnessExtractor]: Location invariant before [L155-L155] total == 0 [2024-01-27 14:52:05,403 INFO L98 nessWitnessExtractor]: Location invariant before [L155-L155] j == 0 [2024-01-27 14:52:05,403 INFO L98 nessWitnessExtractor]: Location invariant before [L155-L155] q2 == 0 [2024-01-27 14:52:05,403 INFO L98 nessWitnessExtractor]: Location invariant before [L155-L155] i == 0 [2024-01-27 14:52:05,403 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,404 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] 0 <= i [2024-01-27 14:52:05,404 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] 0 <= j [2024-01-27 14:52:05,404 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,404 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] -2147483647 <= q1_back [2024-01-27 14:52:05,404 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= j [2024-01-27 14:52:05,404 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,404 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= i [2024-01-27 14:52:05,405 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] 0 <= i [2024-01-27 14:52:05,405 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] 0 <= j [2024-01-27 14:52:05,405 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,405 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q1 == 0 [2024-01-27 14:52:05,405 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] n2 == 0 [2024-01-27 14:52:05,406 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q2 == 0 [2024-01-27 14:52:05,406 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q1_back == 0 [2024-01-27 14:52:05,406 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q2_back == 0 [2024-01-27 14:52:05,406 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] j == 0 [2024-01-27 14:52:05,406 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q2_front == 0 [2024-01-27 14:52:05,406 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] total == 0 [2024-01-27 14:52:05,407 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] i == 0 [2024-01-27 14:52:05,407 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q1_front == 0 [2024-01-27 14:52:05,407 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] total == 0 [2024-01-27 14:52:05,408 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q2_back == 0 [2024-01-27 14:52:05,408 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q2 == 0 [2024-01-27 14:52:05,410 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q1 == 0 [2024-01-27 14:52:05,410 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] j == 0 [2024-01-27 14:52:05,411 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] i == 0 [2024-01-27 14:52:05,411 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q2_front == 0 [2024-01-27 14:52:05,414 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,414 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] 0 <= j [2024-01-27 14:52:05,414 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] 0 <= i [2024-01-27 14:52:05,415 INFO L98 nessWitnessExtractor]: Loop invariant at [L158-L160] total == 0 [2024-01-27 14:52:05,415 INFO L98 nessWitnessExtractor]: Loop invariant at [L158-L160] i == 0 [2024-01-27 14:52:05,415 INFO L98 nessWitnessExtractor]: Loop invariant at [L158-L160] q2 == 0 [2024-01-27 14:52:05,415 INFO L98 nessWitnessExtractor]: Loop invariant at [L158-L160] j == 0 [2024-01-27 14:52:05,415 INFO L98 nessWitnessExtractor]: Loop invariant at [L158-L160] (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) [2024-01-27 14:52:05,415 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= i [2024-01-27 14:52:05,415 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,415 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= j [2024-01-27 14:52:05,415 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] 0 <= j [2024-01-27 14:52:05,415 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,415 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] 0 <= i [2024-01-27 14:52:05,415 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] 0 <= q2_back [2024-01-27 14:52:05,415 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] 0 <= j [2024-01-27 14:52:05,415 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] q1_front <= 2147483646 [2024-01-27 14:52:05,415 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] 0 <= i [2024-01-27 14:52:05,415 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] -2147483647 <= q1_back [2024-01-27 14:52:05,415 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,415 INFO L98 nessWitnessExtractor]: Loop invariant at [L51-L61] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,415 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] -2147483647 <= q1_front [2024-01-27 14:52:05,415 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,415 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= i [2024-01-27 14:52:05,415 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= j [2024-01-27 14:52:05,416 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2_front == 0 [2024-01-27 14:52:05,416 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2 == 0 [2024-01-27 14:52:05,416 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] total == 0 [2024-01-27 14:52:05,416 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1 == 0 [2024-01-27 14:52:05,416 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2_back == 0 [2024-01-27 14:52:05,416 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1_front == 0 [2024-01-27 14:52:05,416 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] j == 0 [2024-01-27 14:52:05,416 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1_back == 0 [2024-01-27 14:52:05,416 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] i == 0 [2024-01-27 14:52:05,416 INFO L98 nessWitnessExtractor]: Location invariant before [L105-L105] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,416 INFO L98 nessWitnessExtractor]: Location invariant before [L105-L105] 0 <= i [2024-01-27 14:52:05,416 INFO L98 nessWitnessExtractor]: Location invariant before [L105-L105] 0 <= j [2024-01-27 14:52:05,416 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,416 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] 0 <= i [2024-01-27 14:52:05,416 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] 0 <= j [2024-01-27 14:52:05,416 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,416 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] 0 <= i [2024-01-27 14:52:05,416 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] 0 <= j [2024-01-27 14:52:05,416 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,416 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] j == 0 [2024-01-27 14:52:05,416 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2 == 0 [2024-01-27 14:52:05,416 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] i == 0 [2024-01-27 14:52:05,416 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1 == 0 [2024-01-27 14:52:05,417 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] total == 0 [2024-01-27 14:52:05,417 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] (((((((((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) [2024-01-27 14:52:05,417 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] total == 0 [2024-01-27 14:52:05,417 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] j == 0 [2024-01-27 14:52:05,417 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] i == 0 [2024-01-27 14:52:05,417 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] size != 0 [2024-01-27 14:52:05,417 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] q2 == 0 [2024-01-27 14:52:05,417 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,417 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= j [2024-01-27 14:52:05,417 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= i [2024-01-27 14:52:05,417 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] 0 <= j [2024-01-27 14:52:05,417 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] 0 <= i [2024-01-27 14:52:05,417 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] b <= -1 [2024-01-27 14:52:05,417 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] b != 0 [2024-01-27 14:52:05,417 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,417 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] 0 <= i [2024-01-27 14:52:05,417 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] 0 <= j [2024-01-27 14:52:05,417 INFO L98 nessWitnessExtractor]: Location invariant before [L154-L154] q2 == 0 [2024-01-27 14:52:05,417 INFO L98 nessWitnessExtractor]: Location invariant before [L154-L154] total == 0 [2024-01-27 14:52:05,417 INFO L98 nessWitnessExtractor]: Location invariant before [L154-L154] j == 0 [2024-01-27 14:52:05,417 INFO L98 nessWitnessExtractor]: Location invariant before [L154-L154] i == 0 [2024-01-27 14:52:05,417 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (unsigned long )_argptr == 0UL [2024-01-27 14:52:05,417 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q2_front == 0 [2024-01-27 14:52:05,418 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] N == 0 [2024-01-27 14:52:05,418 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] n2 == 0 [2024-01-27 14:52:05,418 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] n1 == 0 [2024-01-27 14:52:05,418 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q2 == 0 [2024-01-27 14:52:05,418 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] j == 0 [2024-01-27 14:52:05,418 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] total == 0 [2024-01-27 14:52:05,418 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q2_back == 0 [2024-01-27 14:52:05,418 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q1_back == 0 [2024-01-27 14:52:05,418 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] i == 0 [2024-01-27 14:52:05,418 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] C == 0 [2024-01-27 14:52:05,418 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q1 == 0 [2024-01-27 14:52:05,418 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q1_front == 0 [2024-01-27 14:52:05,442 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 14:52:05,648 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c[4151,4164] [2024-01-27 14:52:05,660 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:52:05,667 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 14:52:05,675 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 [2024-01-27 14:52:05,767 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-mult2.wvr.c[4151,4164] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-27 14:52:05,782 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:52:05,797 INFO L206 MainTranslator]: Completed translation [2024-01-27 14:52:05,797 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:52:05 WrapperNode [2024-01-27 14:52:05,798 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 14:52:05,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 14:52:05,799 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 14:52:05,799 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 14:52:05,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:52:05" (1/1) ... [2024-01-27 14:52:05,813 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:52:05" (1/1) ... [2024-01-27 14:52:05,856 INFO L138 Inliner]: procedures = 27, calls = 76, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 632 [2024-01-27 14:52:05,857 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 14:52:05,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 14:52:05,857 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 14:52:05,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 14:52:05,866 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:52:05" (1/1) ... [2024-01-27 14:52:05,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:52:05" (1/1) ... [2024-01-27 14:52:05,870 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:52:05" (1/1) ... [2024-01-27 14:52:05,896 INFO L175 MemorySlicer]: Split 16 memory accesses to 6 slices as follows [2, 2, 2, 2, 6, 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, 1, 2, 1]. [2024-01-27 14:52:05,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:52:05" (1/1) ... [2024-01-27 14:52:05,896 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:52:05" (1/1) ... [2024-01-27 14:52:05,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:52:05" (1/1) ... [2024-01-27 14:52:05,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:52:05" (1/1) ... [2024-01-27 14:52:05,929 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:52:05" (1/1) ... [2024-01-27 14:52:05,930 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:52:05" (1/1) ... [2024-01-27 14:52:05,934 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 14:52:05,935 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 14:52:05,935 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 14:52:05,935 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 14:52:05,935 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:52:05" (1/1) ... [2024-01-27 14:52:05,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:52:05,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 14:52:05,956 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) [2024-01-27 14:52:05,989 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 [2024-01-27 14:52:06,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 14:52:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 14:52:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 14:52:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 14:52:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 14:52:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-27 14:52:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-27 14:52:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-01-27 14:52:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 14:52:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 14:52:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 14:52:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-27 14:52:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-27 14:52:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-01-27 14:52:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-27 14:52:06,038 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-27 14:52:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-27 14:52:06,039 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-27 14:52:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-27 14:52:06,039 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-27 14:52:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-27 14:52:06,039 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-27 14:52:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 14:52:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 14:52:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 14:52:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-27 14:52:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-27 14:52:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-01-27 14:52:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-27 14:52:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-27 14:52:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-27 14:52:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 14:52:06,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 14:52:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 14:52:06,042 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-27 14:52:06,160 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 14:52:06,161 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 14:52:06,938 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 14:52:06,938 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 14:52:07,577 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 14:52:07,577 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-01-27 14:52:07,578 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:52:07 BoogieIcfgContainer [2024-01-27 14:52:07,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 14:52:07,580 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 14:52:07,580 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 14:52:07,583 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 14:52:07,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 02:52:05" (1/4) ... [2024-01-27 14:52:07,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f27345e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:52:07, skipping insertion in model container [2024-01-27 14:52:07,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:52:05" (2/4) ... [2024-01-27 14:52:07,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f27345e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 02:52:07, skipping insertion in model container [2024-01-27 14:52:07,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:52:05" (3/4) ... [2024-01-27 14:52:07,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f27345e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 02:52:07, skipping insertion in model container [2024-01-27 14:52:07,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:52:07" (4/4) ... [2024-01-27 14:52:07,587 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult2.wvr.c [2024-01-27 14:52:07,602 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 14:52:07,603 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 317 error locations. [2024-01-27 14:52:07,603 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 14:52:07,736 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-27 14:52:07,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 556 places, 549 transitions, 1126 flow [2024-01-27 14:52:07,978 INFO L124 PetriNetUnfolderBase]: 6/545 cut-off events. [2024-01-27 14:52:07,979 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-27 14:52:07,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 562 conditions, 545 events. 6/545 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1766 event pairs, 0 based on Foata normal form. 0/222 useless extension candidates. Maximal degree in co-relation 484. Up to 2 conditions per place. [2024-01-27 14:52:07,986 INFO L82 GeneralOperation]: Start removeDead. Operand has 556 places, 549 transitions, 1126 flow [2024-01-27 14:52:07,997 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 551 places, 544 transitions, 1112 flow [2024-01-27 14:52:08,003 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 14:52:08,009 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;@3da0d59d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 14:52:08,009 INFO L358 AbstractCegarLoop]: Starting to check reachability of 479 error locations. [2024-01-27 14:52:08,010 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 14:52:08,011 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 14:52:08,011 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 14:52:08,011 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:52:08,012 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 14:52:08,012 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 476 more)] === [2024-01-27 14:52:08,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:52:08,016 INFO L85 PathProgramCache]: Analyzing trace with hash 82392, now seen corresponding path program 1 times [2024-01-27 14:52:08,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:52:08,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132628799] [2024-01-27 14:52:08,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:52:08,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:52:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:52:08,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:52:08,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:52:08,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132628799] [2024-01-27 14:52:08,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132628799] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:52:08,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:52:08,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:52:08,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521564665] [2024-01-27 14:52:08,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:52:08,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:52:08,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:52:08,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:52:08,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:52:08,266 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 549 [2024-01-27 14:52:08,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 544 transitions, 1112 flow. Second operand has 3 states, 3 states have (on average 343.6666666666667) internal successors, (1031), 3 states have internal predecessors, (1031), 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) [2024-01-27 14:52:08,273 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:52:08,273 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 549 [2024-01-27 14:52:08,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand