./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 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-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-a340643-m [2024-01-27 15:00:27,846 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 15:00:27,883 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 15:00:27,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 15:00:27,886 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 15:00:27,899 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 15:00:27,899 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 15:00:27,899 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 15:00:27,900 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 15:00:27,900 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 15:00:27,900 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 15:00:27,901 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 15:00:27,901 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 15:00:27,901 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 15:00:27,902 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 15:00:27,902 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 15:00:27,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 15:00:27,902 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 15:00:27,903 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 15:00:27,903 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 15:00:27,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 15:00:27,903 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 15:00:27,904 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 15:00:27,904 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 15:00:27,904 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 15:00:27,904 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 15:00:27,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 15:00:27,905 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 15:00:27,905 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 15:00:27,905 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 15:00:27,905 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 15:00:27,906 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 15:00:27,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 15:00:27,906 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 15:00:27,906 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 15:00:27,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 15:00:27,907 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 15:00:27,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 15:00:27,907 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 15:00:27,907 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 15:00:27,907 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 15:00:27,908 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 15:00:27,908 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 15:00:27,908 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 15:00:28,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 15:00:28,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 15:00:28,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 15:00:28,149 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 15:00:28,150 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 15:00:28,150 INFO L431 ainManager$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 [2024-01-27 15:00:28,300 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 15:00:28,300 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 15:00:28,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2024-01-27 15:00:29,277 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 15:00:29,466 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 15:00:29,467 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2024-01-27 15:00:29,473 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a6c733fd/d353a38b2df34d7a9f8da01be121ead2/FLAG90a11fa21 [2024-01-27 15:00:29,488 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a6c733fd/d353a38b2df34d7a9f8da01be121ead2 [2024-01-27 15:00:29,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 15:00:29,490 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 15:00:29,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 15:00:29,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 15:00:29,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 15:00:29,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 03:00:28" (1/2) ... [2024-01-27 15:00:29,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ef8ced and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 03:00:29, skipping insertion in model container [2024-01-27 15:00:29,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 03:00:28" (1/2) ... [2024-01-27 15:00:29,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7448cb9d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 03:00:29, skipping insertion in model container [2024-01-27 15:00:29,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:00:29" (2/2) ... [2024-01-27 15:00:29,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ef8ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:29, skipping insertion in model container [2024-01-27 15:00:29,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:00:29" (2/2) ... [2024-01-27 15:00:29,497 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 15:00:29,556 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 15:00:29,558 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,558 INFO L98 nessWitnessExtractor]: Location invariant before [L102-L102] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,558 INFO L98 nessWitnessExtractor]: Location invariant before [L145-L145] i == 0 [2024-01-27 15:00:29,558 INFO L98 nessWitnessExtractor]: Location invariant before [L145-L145] total == 0 [2024-01-27 15:00:29,558 INFO L98 nessWitnessExtractor]: Location invariant before [L145-L145] j == 0 [2024-01-27 15:00:29,559 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,559 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] 0 <= j [2024-01-27 15:00:29,559 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] 0 <= i [2024-01-27 15:00:29,559 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,560 INFO L98 nessWitnessExtractor]: Loop invariant at [L73-L87] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,560 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] 0 <= i [2024-01-27 15:00:29,560 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] 0 <= j [2024-01-27 15:00:29,560 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,560 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= i [2024-01-27 15:00:29,560 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= j [2024-01-27 15:00:29,560 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,561 INFO L98 nessWitnessExtractor]: Location invariant before [L119-L119] -2147483647 <= q2_front [2024-01-27 15:00:29,561 INFO L98 nessWitnessExtractor]: Location invariant before [L119-L119] 0 <= i [2024-01-27 15:00:29,561 INFO L98 nessWitnessExtractor]: Location invariant before [L119-L119] 0 <= j [2024-01-27 15:00:29,561 INFO L98 nessWitnessExtractor]: Location invariant before [L119-L119] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,561 INFO L98 nessWitnessExtractor]: Loop invariant at [L96-L105] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,561 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] 0 <= i [2024-01-27 15:00:29,562 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,562 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] 0 <= j [2024-01-27 15:00:29,562 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] 0 <= i [2024-01-27 15:00:29,562 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,562 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] 0 <= j [2024-01-27 15:00:29,562 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,562 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] 0 <= i [2024-01-27 15:00:29,562 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] 0 <= j [2024-01-27 15:00:29,563 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,563 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] 0 <= i [2024-01-27 15:00:29,563 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] 1 <= j [2024-01-27 15:00:29,563 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] f == 0 [2024-01-27 15:00:29,563 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q1_front == 0 [2024-01-27 15:00:29,563 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] j == 0 [2024-01-27 15:00:29,563 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q1_back == 0 [2024-01-27 15:00:29,563 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q2_back == 0 [2024-01-27 15:00:29,564 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q2_front == 0 [2024-01-27 15:00:29,565 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q1 == 0 [2024-01-27 15:00:29,565 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] i == 0 [2024-01-27 15:00:29,565 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] total == 0 [2024-01-27 15:00:29,565 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q2 == 0 [2024-01-27 15:00:29,565 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] f == 0 [2024-01-27 15:00:29,565 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] j == 0 [2024-01-27 15:00:29,565 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] total == 0 [2024-01-27 15:00:29,566 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] i == 0 [2024-01-27 15:00:29,566 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,566 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] q2_back == 0 [2024-01-27 15:00:29,566 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] q1 == 0 [2024-01-27 15:00:29,566 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] total == 0 [2024-01-27 15:00:29,566 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] q2 == 0 [2024-01-27 15:00:29,567 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] f == 0 [2024-01-27 15:00:29,567 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] i == 0 [2024-01-27 15:00:29,567 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] j == 0 [2024-01-27 15:00:29,567 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= j [2024-01-27 15:00:29,568 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,568 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= i [2024-01-27 15:00:29,568 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1_front == 0 [2024-01-27 15:00:29,568 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] n1 == 0 [2024-01-27 15:00:29,568 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2 == 0 [2024-01-27 15:00:29,569 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2_back == 0 [2024-01-27 15:00:29,569 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] n2 == 0 [2024-01-27 15:00:29,569 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] j == 0 [2024-01-27 15:00:29,569 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1_back == 0 [2024-01-27 15:00:29,569 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1 == 0 [2024-01-27 15:00:29,569 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] total == 0 [2024-01-27 15:00:29,569 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] f == 0 [2024-01-27 15:00:29,569 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2_front == 0 [2024-01-27 15:00:29,570 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] i == 0 [2024-01-27 15:00:29,570 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] 0 <= j [2024-01-27 15:00:29,570 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] 0 <= i [2024-01-27 15:00:29,570 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] -2147483647 <= q1_front [2024-01-27 15:00:29,570 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,570 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,570 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,570 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] 0 <= j [2024-01-27 15:00:29,571 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,571 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] 0 <= i [2024-01-27 15:00:29,571 INFO L98 nessWitnessExtractor]: Location invariant before [L174-L174] 0 <= j [2024-01-27 15:00:29,571 INFO L98 nessWitnessExtractor]: Location invariant before [L174-L174] 0 <= i [2024-01-27 15:00:29,571 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] j == 0 [2024-01-27 15:00:29,571 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q1 == 0 [2024-01-27 15:00:29,571 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] f == 0 [2024-01-27 15:00:29,571 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q2 == 0 [2024-01-27 15:00:29,571 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q1_back == 0 [2024-01-27 15:00:29,572 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] total == 0 [2024-01-27 15:00:29,572 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q2_front == 0 [2024-01-27 15:00:29,572 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q2_back == 0 [2024-01-27 15:00:29,572 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] i == 0 [2024-01-27 15:00:29,572 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] 0 <= j [2024-01-27 15:00:29,572 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,572 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] 0 <= i [2024-01-27 15:00:29,572 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= i [2024-01-27 15:00:29,573 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= j [2024-01-27 15:00:29,573 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,573 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] f == 0 [2024-01-27 15:00:29,573 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] j == 0 [2024-01-27 15:00:29,573 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] i == 0 [2024-01-27 15:00:29,573 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] total == 0 [2024-01-27 15:00:29,573 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,573 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] i == 0 [2024-01-27 15:00:29,573 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] f == 0 [2024-01-27 15:00:29,574 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] 0 <= i [2024-01-27 15:00:29,574 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] j == 0 [2024-01-27 15:00:29,574 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] total == 0 [2024-01-27 15:00:29,575 INFO L98 nessWitnessExtractor]: Location invariant before [L172-L172] b <= -1 [2024-01-27 15:00:29,575 INFO L98 nessWitnessExtractor]: Location invariant before [L172-L172] 0 <= j [2024-01-27 15:00:29,575 INFO L98 nessWitnessExtractor]: Location invariant before [L172-L172] b != 0 [2024-01-27 15:00:29,576 INFO L98 nessWitnessExtractor]: Location invariant before [L172-L172] 0 <= i [2024-01-27 15:00:29,576 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] 0 <= i [2024-01-27 15:00:29,576 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] 0 <= j [2024-01-27 15:00:29,576 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,577 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] total == 0 [2024-01-27 15:00:29,577 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] i == 0 [2024-01-27 15:00:29,577 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] j == 0 [2024-01-27 15:00:29,577 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2_front == 0 [2024-01-27 15:00:29,577 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] n2 == 0 [2024-01-27 15:00:29,578 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q1 == 0 [2024-01-27 15:00:29,578 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] f == 0 [2024-01-27 15:00:29,578 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q1_front == 0 [2024-01-27 15:00:29,578 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q1_back == 0 [2024-01-27 15:00:29,578 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2_back == 0 [2024-01-27 15:00:29,578 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2 == 0 [2024-01-27 15:00:29,578 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] 0 <= i [2024-01-27 15:00:29,578 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,579 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] 0 <= j [2024-01-27 15:00:29,579 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= j [2024-01-27 15:00:29,579 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,579 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= i [2024-01-27 15:00:29,579 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,579 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= j [2024-01-27 15:00:29,579 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= i [2024-01-27 15:00:29,579 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1_back == 0 [2024-01-27 15:00:29,580 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2_front == 0 [2024-01-27 15:00:29,580 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2_back == 0 [2024-01-27 15:00:29,580 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] total == 0 [2024-01-27 15:00:29,580 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1 == 0 [2024-01-27 15:00:29,580 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2 == 0 [2024-01-27 15:00:29,580 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] N == 0 [2024-01-27 15:00:29,580 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] n2 == 0 [2024-01-27 15:00:29,581 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] n1 == 0 [2024-01-27 15:00:29,581 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] f == 0 [2024-01-27 15:00:29,581 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1_front == 0 [2024-01-27 15:00:29,581 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] i == 0 [2024-01-27 15:00:29,581 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] j == 0 [2024-01-27 15:00:29,582 INFO L98 nessWitnessExtractor]: Location invariant before [L142-L142] total == 0 [2024-01-27 15:00:29,582 INFO L98 nessWitnessExtractor]: Location invariant before [L142-L142] i == 0 [2024-01-27 15:00:29,582 INFO L98 nessWitnessExtractor]: Location invariant before [L142-L142] j == 0 [2024-01-27 15:00:29,582 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) [2024-01-27 15:00:29,582 INFO L98 nessWitnessExtractor]: Loop invariant at [L165-L167] j == 0 [2024-01-27 15:00:29,582 INFO L98 nessWitnessExtractor]: Loop invariant at [L165-L167] total == 0 [2024-01-27 15:00:29,583 INFO L98 nessWitnessExtractor]: Loop invariant at [L165-L167] i == 0 [2024-01-27 15:00:29,583 INFO L98 nessWitnessExtractor]: Loop invariant at [L165-L167] f == 0 [2024-01-27 15:00:29,583 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] 0 <= i [2024-01-27 15:00:29,583 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] 0 <= j [2024-01-27 15:00:29,583 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] -2147483647 <= q1_back [2024-01-27 15:00:29,583 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,583 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,583 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,584 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= j [2024-01-27 15:00:29,584 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= i [2024-01-27 15:00:29,584 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,584 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,584 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] 0 <= j [2024-01-27 15:00:29,584 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] 0 <= i [2024-01-27 15:00:29,585 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] 0 <= q2_back [2024-01-27 15:00:29,585 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= j [2024-01-27 15:00:29,585 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= i [2024-01-27 15:00:29,585 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,585 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] 0 <= i [2024-01-27 15:00:29,586 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] 0 <= j [2024-01-27 15:00:29,586 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] q2_front <= 2147483646 [2024-01-27 15:00:29,586 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] -2147483647 <= q2_back [2024-01-27 15:00:29,586 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,586 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] 0 <= j [2024-01-27 15:00:29,586 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] 0 <= i [2024-01-27 15:00:29,586 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,587 INFO L98 nessWitnessExtractor]: Location invariant before [L173-L173] b != 0 [2024-01-27 15:00:29,587 INFO L98 nessWitnessExtractor]: Location invariant before [L173-L173] 0 <= j [2024-01-27 15:00:29,588 INFO L98 nessWitnessExtractor]: Location invariant before [L173-L173] 0 <= i [2024-01-27 15:00:29,589 INFO L98 nessWitnessExtractor]: Location invariant before [L173-L173] 1 <= b [2024-01-27 15:00:29,590 INFO L98 nessWitnessExtractor]: Location invariant before [L120-L120] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,590 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,590 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] q2 == 0 [2024-01-27 15:00:29,594 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] i == 0 [2024-01-27 15:00:29,595 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] total == 0 [2024-01-27 15:00:29,595 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] f == 0 [2024-01-27 15:00:29,595 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] j == 0 [2024-01-27 15:00:29,595 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,595 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= i [2024-01-27 15:00:29,595 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= j [2024-01-27 15:00:29,595 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] 0 <= i [2024-01-27 15:00:29,595 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] q1_front <= 2147483646 [2024-01-27 15:00:29,595 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,596 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] -2147483647 <= q1_back [2024-01-27 15:00:29,596 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] 0 <= j [2024-01-27 15:00:29,596 INFO L98 nessWitnessExtractor]: Location invariant before [L118-L118] 0 <= j [2024-01-27 15:00:29,596 INFO L98 nessWitnessExtractor]: Location invariant before [L118-L118] 0 <= i [2024-01-27 15:00:29,596 INFO L98 nessWitnessExtractor]: Location invariant before [L118-L118] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,596 INFO L98 nessWitnessExtractor]: Location invariant before [L164-L164] j == 0 [2024-01-27 15:00:29,596 INFO L98 nessWitnessExtractor]: Location invariant before [L164-L164] total == 0 [2024-01-27 15:00:29,596 INFO L98 nessWitnessExtractor]: Location invariant before [L164-L164] i == 0 [2024-01-27 15:00:29,596 INFO L98 nessWitnessExtractor]: Location invariant before [L164-L164] f == 0 [2024-01-27 15:00:29,596 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= i [2024-01-27 15:00:29,597 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,597 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= j [2024-01-27 15:00:29,597 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,597 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= i [2024-01-27 15:00:29,597 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= j [2024-01-27 15:00:29,597 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] f == 0 [2024-01-27 15:00:29,598 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] j == 0 [2024-01-27 15:00:29,598 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] i == 0 [2024-01-27 15:00:29,598 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] total == 0 [2024-01-27 15:00:29,598 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,598 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,598 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] 0 <= i [2024-01-27 15:00:29,599 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] 0 <= j [2024-01-27 15:00:29,599 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,599 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,599 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] 0 <= j [2024-01-27 15:00:29,599 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] 0 <= i [2024-01-27 15:00:29,599 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] q2 == 0 [2024-01-27 15:00:29,599 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] total == 0 [2024-01-27 15:00:29,599 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] j == 0 [2024-01-27 15:00:29,599 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] i == 0 [2024-01-27 15:00:29,599 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] q1 == 0 [2024-01-27 15:00:29,600 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] f == 0 [2024-01-27 15:00:29,600 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,600 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,600 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] 0 <= i [2024-01-27 15:00:29,600 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] 0 <= j [2024-01-27 15:00:29,600 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,600 INFO L98 nessWitnessExtractor]: Location invariant before [L162-L162] j == 0 [2024-01-27 15:00:29,600 INFO L98 nessWitnessExtractor]: Location invariant before [L162-L162] total == 0 [2024-01-27 15:00:29,600 INFO L98 nessWitnessExtractor]: Location invariant before [L162-L162] i == 0 [2024-01-27 15:00:29,600 INFO L98 nessWitnessExtractor]: Location invariant before [L162-L162] f == 0 [2024-01-27 15:00:29,601 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,601 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 0 <= j [2024-01-27 15:00:29,601 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 1 <= i [2024-01-27 15:00:29,601 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] f == 0 [2024-01-27 15:00:29,601 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] j == 0 [2024-01-27 15:00:29,601 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] total == 0 [2024-01-27 15:00:29,601 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] size != 0 [2024-01-27 15:00:29,601 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) [2024-01-27 15:00:29,601 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] i == 0 [2024-01-27 15:00:29,601 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,602 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= i [2024-01-27 15:00:29,602 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= j [2024-01-27 15:00:29,602 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] 0 <= i [2024-01-27 15:00:29,602 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] 0 <= j [2024-01-27 15:00:29,602 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,602 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= i [2024-01-27 15:00:29,602 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= j [2024-01-27 15:00:29,603 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,604 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,604 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= q1_back [2024-01-27 15:00:29,604 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= i [2024-01-27 15:00:29,604 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,604 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= j [2024-01-27 15:00:29,604 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,604 INFO L98 nessWitnessExtractor]: Loop invariant at [L51-L64] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,604 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] 0 <= j [2024-01-27 15:00:29,605 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] 0 <= i [2024-01-27 15:00:29,605 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,605 INFO L98 nessWitnessExtractor]: Loop invariant at [L114-L123] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,605 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] q2_front == 0 [2024-01-27 15:00:29,605 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] j == 0 [2024-01-27 15:00:29,605 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] f == 0 [2024-01-27 15:00:29,605 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] i == 0 [2024-01-27 15:00:29,605 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] q2 == 0 [2024-01-27 15:00:29,606 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] q2_back == 0 [2024-01-27 15:00:29,606 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] q1 == 0 [2024-01-27 15:00:29,606 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] total == 0 [2024-01-27 15:00:29,606 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,606 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,606 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] 0 <= i [2024-01-27 15:00:29,606 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] -2147483647 <= q2_back [2024-01-27 15:00:29,606 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] 0 <= j [2024-01-27 15:00:29,606 INFO L98 nessWitnessExtractor]: Location invariant before [L121-L121] 0 <= i [2024-01-27 15:00:29,607 INFO L98 nessWitnessExtractor]: Location invariant before [L121-L121] 0 <= j [2024-01-27 15:00:29,607 INFO L98 nessWitnessExtractor]: Location invariant before [L121-L121] (unsigned long )_argptr == 0UL [2024-01-27 15:00:29,630 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 15:00:29,786 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] [2024-01-27 15:00:29,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 15:00:29,813 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 15:00:29,825 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 [2024-01-27 15:00:29,973 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 [2024-01-27 15:00:29,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 15:00:30,000 INFO L206 MainTranslator]: Completed translation [2024-01-27 15:00:30,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:30 WrapperNode [2024-01-27 15:00:30,002 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 15:00:30,003 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 15:00:30,003 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 15:00:30,003 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 15:00:30,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:30" (1/1) ... [2024-01-27 15:00:30,036 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:30" (1/1) ... [2024-01-27 15:00:30,147 INFO L138 Inliner]: procedures = 27, calls = 87, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 727 [2024-01-27 15:00:30,147 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 15:00:30,147 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 15:00:30,147 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 15:00:30,148 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 15:00:30,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:30" (1/1) ... [2024-01-27 15:00:30,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:30" (1/1) ... [2024-01-27 15:00:30,174 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:30" (1/1) ... [2024-01-27 15:00:30,200 INFO L175 MemorySlicer]: Split 20 memory accesses to 6 slices as follows [2, 2, 2, 2, 10, 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, 1, 1, 3, 1]. [2024-01-27 15:00:30,201 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:30" (1/1) ... [2024-01-27 15:00:30,201 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:30" (1/1) ... [2024-01-27 15:00:30,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:30" (1/1) ... [2024-01-27 15:00:30,233 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:30" (1/1) ... [2024-01-27 15:00:30,253 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:30" (1/1) ... [2024-01-27 15:00:30,255 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:30" (1/1) ... [2024-01-27 15:00:30,260 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 15:00:30,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 15:00:30,260 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 15:00:30,260 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 15:00:30,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:30" (1/1) ... [2024-01-27 15:00:30,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 15:00:30,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 15:00:30,294 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 15:00:30,316 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 15:00:30,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 15:00:30,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 15:00:30,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 15:00:30,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 15:00:30,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 15:00:30,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-27 15:00:30,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-27 15:00:30,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-01-27 15:00:30,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 15:00:30,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 15:00:30,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 15:00:30,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-27 15:00:30,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-27 15:00:30,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-01-27 15:00:30,333 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-27 15:00:30,333 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-27 15:00:30,333 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-27 15:00:30,333 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-27 15:00:30,333 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-27 15:00:30,333 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-27 15:00:30,333 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-27 15:00:30,333 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-27 15:00:30,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 15:00:30,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 15:00:30,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 15:00:30,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-27 15:00:30,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-27 15:00:30,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-01-27 15:00:30,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-27 15:00:30,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-27 15:00:30,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-27 15:00:30,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 15:00:30,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 15:00:30,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 15:00:30,336 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 15:00:30,450 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 15:00:30,452 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 15:00:31,234 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 15:00:31,235 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 15:00:31,953 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 15:00:31,953 INFO L320 CfgBuilder]: Removed 7 assume(true) statements. [2024-01-27 15:00:31,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 03:00:31 BoogieIcfgContainer [2024-01-27 15:00:31,954 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 15:00:31,956 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 15:00:31,956 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 15:00:31,959 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 15:00:31,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 03:00:28" (1/4) ... [2024-01-27 15:00:31,959 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75962093 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 03:00:31, skipping insertion in model container [2024-01-27 15:00:31,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 03:00:29" (2/4) ... [2024-01-27 15:00:31,960 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75962093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 03:00:31, skipping insertion in model container [2024-01-27 15:00:31,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:30" (3/4) ... [2024-01-27 15:00:31,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75962093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 03:00:31, skipping insertion in model container [2024-01-27 15:00:31,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 03:00:31" (4/4) ... [2024-01-27 15:00:31,962 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series.wvr.c [2024-01-27 15:00:31,976 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 15:00:31,977 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 364 error locations. [2024-01-27 15:00:31,977 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 15:00:32,134 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-27 15:00:32,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 640 places, 634 transitions, 1296 flow [2024-01-27 15:00:32,389 INFO L124 PetriNetUnfolderBase]: 7/630 cut-off events. [2024-01-27 15:00:32,389 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-27 15:00:32,396 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. [2024-01-27 15:00:32,397 INFO L82 GeneralOperation]: Start removeDead. Operand has 640 places, 634 transitions, 1296 flow [2024-01-27 15:00:32,412 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 635 places, 629 transitions, 1282 flow [2024-01-27 15:00:32,422 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 15:00:32,428 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;@28ebfe73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 15:00:32,429 INFO L358 AbstractCegarLoop]: Starting to check reachability of 541 error locations. [2024-01-27 15:00:32,430 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 15:00:32,430 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 15:00:32,431 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 15:00:32,431 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 15:00:32,431 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 15:00:32,432 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 538 more)] === [2024-01-27 15:00:32,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 15:00:32,438 INFO L85 PathProgramCache]: Analyzing trace with hash 92186, now seen corresponding path program 1 times [2024-01-27 15:00:32,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 15:00:32,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865216155] [2024-01-27 15:00:32,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 15:00:32,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 15:00:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 15:00:32,622 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 15:00:32,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 15:00:32,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865216155] [2024-01-27 15:00:32,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865216155] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 15:00:32,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 15:00:32,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 15:00:32,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568042525] [2024-01-27 15:00:32,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 15:00:32,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 15:00:32,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 15:00:32,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 15:00:32,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 15:00:32,739 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 358 out of 634 [2024-01-27 15:00:32,744 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 635 places, 629 transitions, 1282 flow. Second operand has 3 states, 3 states have (on average 358.6666666666667) internal successors, (1076), 3 states have internal predecessors, (1076), 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 15:00:32,745 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 15:00:32,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 358 of 634 [2024-01-27 15:00:32,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand