./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-bad-buffer-mult-alt.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cb09d658 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-bad-buffer-mult-alt.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-cb09d65-m [2024-01-27 23:29:36,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 23:29:36,862 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 23:29:36,865 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 23:29:36,865 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 23:29:36,882 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 23:29:36,882 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 23:29:36,883 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 23:29:36,883 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 23:29:36,886 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 23:29:36,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 23:29:36,886 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 23:29:36,887 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 23:29:36,888 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 23:29:36,888 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 23:29:36,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 23:29:36,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 23:29:36,889 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 23:29:36,889 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 23:29:36,890 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 23:29:36,890 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 23:29:36,891 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 23:29:36,891 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 23:29:36,891 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 23:29:36,891 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 23:29:36,891 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 23:29:36,892 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 23:29:36,892 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 23:29:36,892 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 23:29:36,893 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 23:29:36,893 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 23:29:36,893 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 23:29:36,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 23:29:36,894 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 23:29:36,894 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 23:29:36,894 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 23:29:36,894 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 23:29:36,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 23:29:36,895 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 23:29:36,895 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 23:29:36,895 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 23:29:36,895 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 23:29:36,895 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 23:29:36,895 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 23:29:37,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 23:29:37,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 23:29:37,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 23:29:37,157 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 23:29:37,158 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 23:29:37,159 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-bad-buffer-mult-alt.wvr.yml/witness.yml [2024-01-27 23:29:37,358 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 23:29:37,358 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 23:29:37,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-01-27 23:29:38,271 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 23:29:38,422 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 23:29:38,422 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-01-27 23:29:38,428 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88396b544/577ff04176d047a98c09a47bdc68c872/FLAG55efc0915 [2024-01-27 23:29:38,442 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88396b544/577ff04176d047a98c09a47bdc68c872 [2024-01-27 23:29:38,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 23:29:38,443 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 23:29:38,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 23:29:38,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 23:29:38,448 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 23:29:38,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:29:37" (1/2) ... [2024-01-27 23:29:38,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d530438 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:38, skipping insertion in model container [2024-01-27 23:29:38,449 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:29:37" (1/2) ... [2024-01-27 23:29:38,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@8c70bc8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:38, skipping insertion in model container [2024-01-27 23:29:38,451 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:29:38" (2/2) ... [2024-01-27 23:29:38,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d530438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:29:38, skipping insertion in model container [2024-01-27 23:29:38,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:29:38" (2/2) ... [2024-01-27 23:29:38,451 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 23:29:38,510 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 23:29:38,511 INFO L98 nessWitnessExtractor]: Location invariant before [L171-L171] b != 0 [2024-01-27 23:29:38,511 INFO L98 nessWitnessExtractor]: Location invariant before [L171-L171] b <= -1 [2024-01-27 23:29:38,512 INFO L98 nessWitnessExtractor]: Location invariant before [L171-L171] 0 <= j [2024-01-27 23:29:38,512 INFO L98 nessWitnessExtractor]: Location invariant before [L171-L171] 0 <= i [2024-01-27 23:29:38,512 INFO L98 nessWitnessExtractor]: Loop invariant at [L71-L82] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,513 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q1 == 0 [2024-01-27 23:29:38,513 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] i == 0 [2024-01-27 23:29:38,513 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] total == 0 [2024-01-27 23:29:38,513 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q2 == 0 [2024-01-27 23:29:38,513 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] j == 0 [2024-01-27 23:29:38,514 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] n1 == 0 [2024-01-27 23:29:38,514 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] n2 == 0 [2024-01-27 23:29:38,514 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,514 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= j [2024-01-27 23:29:38,514 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= i [2024-01-27 23:29:38,514 INFO L98 nessWitnessExtractor]: Loop invariant at [L91-L100] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,514 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] 0 <= j [2024-01-27 23:29:38,515 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] 0 <= i [2024-01-27 23:29:38,515 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,515 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2_back == 0 [2024-01-27 23:29:38,515 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1 == 0 [2024-01-27 23:29:38,515 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] i == 0 [2024-01-27 23:29:38,516 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2_front == 0 [2024-01-27 23:29:38,516 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] n1 == 0 [2024-01-27 23:29:38,516 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] total == 0 [2024-01-27 23:29:38,516 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2 == 0 [2024-01-27 23:29:38,516 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] n2 == 0 [2024-01-27 23:29:38,516 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] j == 0 [2024-01-27 23:29:38,517 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1_back == 0 [2024-01-27 23:29:38,517 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] 0 <= j [2024-01-27 23:29:38,517 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,517 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] 0 <= i [2024-01-27 23:29:38,517 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] -2147483647 <= q1_front [2024-01-27 23:29:38,517 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] 0 <= j [2024-01-27 23:29:38,517 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] 0 <= i [2024-01-27 23:29:38,518 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,518 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] j == 0 [2024-01-27 23:29:38,518 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] i == 0 [2024-01-27 23:29:38,519 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] total == 0 [2024-01-27 23:29:38,519 INFO L98 nessWitnessExtractor]: Loop invariant at [L109-L118] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,519 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] C == 0 [2024-01-27 23:29:38,519 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q2_back == 0 [2024-01-27 23:29:38,520 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q2 == 0 [2024-01-27 23:29:38,520 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] M == 0 [2024-01-27 23:29:38,520 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] j == 0 [2024-01-27 23:29:38,520 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] n2 == 0 [2024-01-27 23:29:38,520 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] i == 0 [2024-01-27 23:29:38,520 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q1 == 0 [2024-01-27 23:29:38,521 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q1_front == 0 [2024-01-27 23:29:38,521 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q1_back == 0 [2024-01-27 23:29:38,521 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q2_front == 0 [2024-01-27 23:29:38,521 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] n1 == 0 [2024-01-27 23:29:38,521 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] N == 0 [2024-01-27 23:29:38,522 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] total == 0 [2024-01-27 23:29:38,522 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,522 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] 0 <= j [2024-01-27 23:29:38,522 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] 0 <= i [2024-01-27 23:29:38,523 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,523 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] 0 <= i [2024-01-27 23:29:38,523 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] 0 <= j [2024-01-27 23:29:38,523 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] i == 0 [2024-01-27 23:29:38,524 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] (((((((((8 <= i && 9 <= size) && i <= 2147483646) || (8 <= size && i == 7)) || (7 <= size && i == 6)) || (6 <= size && i == 5)) || (5 <= size && i == 4)) || (4 <= size && i == 3)) || (3 <= size && i == 2)) || (2 <= size && i == 1)) || ((1 <= size && 0 == i) && i == 0) [2024-01-27 23:29:38,524 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] total == 0 [2024-01-27 23:29:38,524 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] q2 == 0 [2024-01-27 23:29:38,524 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] size != 0 [2024-01-27 23:29:38,524 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] j == 0 [2024-01-27 23:29:38,524 INFO L98 nessWitnessExtractor]: Loop invariant at [L164-L166] q2 == 0 [2024-01-27 23:29:38,524 INFO L98 nessWitnessExtractor]: Loop invariant at [L164-L166] i == 0 [2024-01-27 23:29:38,525 INFO L98 nessWitnessExtractor]: Loop invariant at [L164-L166] (size != 0 && ((((((((8 <= size && 8 <= i) || (7 <= size && i == 7)) || (6 <= size && i == 6)) || (5 <= size && i == 5)) || (4 <= size && i == 4)) || (3 <= size && i == 3)) || (2 <= size && i == 2)) || (1 <= size && i == 1))) || (0 == i && i == 0) [2024-01-27 23:29:38,525 INFO L98 nessWitnessExtractor]: Loop invariant at [L164-L166] j == 0 [2024-01-27 23:29:38,525 INFO L98 nessWitnessExtractor]: Loop invariant at [L164-L166] total == 0 [2024-01-27 23:29:38,525 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] 0 <= i [2024-01-27 23:29:38,525 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] 0 <= j [2024-01-27 23:29:38,525 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,525 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] j == 0 [2024-01-27 23:29:38,526 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q2_back == 0 [2024-01-27 23:29:38,526 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q1_back == 0 [2024-01-27 23:29:38,526 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q2 == 0 [2024-01-27 23:29:38,526 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] n1 == 0 [2024-01-27 23:29:38,527 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q1 == 0 [2024-01-27 23:29:38,527 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] i == 0 [2024-01-27 23:29:38,527 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q2_front == 0 [2024-01-27 23:29:38,527 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] total == 0 [2024-01-27 23:29:38,527 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q1_front == 0 [2024-01-27 23:29:38,527 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] n2 == 0 [2024-01-27 23:29:38,527 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] 0 <= j [2024-01-27 23:29:38,527 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] 0 <= i [2024-01-27 23:29:38,528 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,528 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] 0 <= j [2024-01-27 23:29:38,528 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] 0 <= i [2024-01-27 23:29:38,528 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,528 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 0 <= i [2024-01-27 23:29:38,528 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 0 <= j [2024-01-27 23:29:38,528 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,528 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= i [2024-01-27 23:29:38,529 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= j [2024-01-27 23:29:38,529 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,529 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] 0 <= j [2024-01-27 23:29:38,529 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,529 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] 0 <= i [2024-01-27 23:29:38,529 INFO L98 nessWitnessExtractor]: Location invariant before [L106-L106] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,529 INFO L98 nessWitnessExtractor]: Loop invariant at [L51-L62] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,529 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,529 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2 == 0 [2024-01-27 23:29:38,530 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] n1 == 0 [2024-01-27 23:29:38,530 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] total == 0 [2024-01-27 23:29:38,530 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2_front == 0 [2024-01-27 23:29:38,531 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2_back == 0 [2024-01-27 23:29:38,531 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1 == 0 [2024-01-27 23:29:38,531 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] i == 0 [2024-01-27 23:29:38,531 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] n2 == 0 [2024-01-27 23:29:38,532 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] j == 0 [2024-01-27 23:29:38,532 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] 0 <= i [2024-01-27 23:29:38,532 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] 0 <= j [2024-01-27 23:29:38,532 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,532 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] total == 0 [2024-01-27 23:29:38,533 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] j == 0 [2024-01-27 23:29:38,533 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] q1 == 0 [2024-01-27 23:29:38,533 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] q2 == 0 [2024-01-27 23:29:38,533 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] i == 0 [2024-01-27 23:29:38,533 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] 0 <= i [2024-01-27 23:29:38,534 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] 0 <= j [2024-01-27 23:29:38,534 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,534 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,534 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] 0 <= q2_back [2024-01-27 23:29:38,534 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,534 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] 0 <= i [2024-01-27 23:29:38,534 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] 0 <= j [2024-01-27 23:29:38,535 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] 0 <= i [2024-01-27 23:29:38,535 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] i == 0 [2024-01-27 23:29:38,535 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] j == 0 [2024-01-27 23:29:38,535 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] q2 == 0 [2024-01-27 23:29:38,535 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] total == 0 [2024-01-27 23:29:38,535 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] 0 <= i [2024-01-27 23:29:38,535 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,535 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] 0 <= j [2024-01-27 23:29:38,535 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,536 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,536 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] 0 <= i [2024-01-27 23:29:38,536 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,536 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] 0 <= j [2024-01-27 23:29:38,536 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,536 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] 0 <= j [2024-01-27 23:29:38,536 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,537 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] 0 <= i [2024-01-27 23:29:38,537 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= i [2024-01-27 23:29:38,537 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 1 <= j [2024-01-27 23:29:38,537 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,537 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] 0 <= j [2024-01-27 23:29:38,538 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] 1 <= i [2024-01-27 23:29:38,538 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,538 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,538 INFO L98 nessWitnessExtractor]: Location invariant before [L173-L173] 0 <= j [2024-01-27 23:29:38,538 INFO L98 nessWitnessExtractor]: Location invariant before [L173-L173] 0 <= i [2024-01-27 23:29:38,539 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] 0 <= i [2024-01-27 23:29:38,539 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] 0 <= q2_front [2024-01-27 23:29:38,539 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] 0 <= j [2024-01-27 23:29:38,539 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,539 INFO L98 nessWitnessExtractor]: Location invariant before [L144-L144] total == 0 [2024-01-27 23:29:38,539 INFO L98 nessWitnessExtractor]: Location invariant before [L144-L144] i == 0 [2024-01-27 23:29:38,539 INFO L98 nessWitnessExtractor]: Location invariant before [L144-L144] j == 0 [2024-01-27 23:29:38,539 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,540 INFO L98 nessWitnessExtractor]: Location invariant before [L160-L160] j == 0 [2024-01-27 23:29:38,540 INFO L98 nessWitnessExtractor]: Location invariant before [L160-L160] q2 == 0 [2024-01-27 23:29:38,540 INFO L98 nessWitnessExtractor]: Location invariant before [L160-L160] i == 0 [2024-01-27 23:29:38,540 INFO L98 nessWitnessExtractor]: Location invariant before [L160-L160] total == 0 [2024-01-27 23:29:38,541 INFO L98 nessWitnessExtractor]: Location invariant before [L172-L172] b != 0 [2024-01-27 23:29:38,541 INFO L98 nessWitnessExtractor]: Location invariant before [L172-L172] 0 <= j [2024-01-27 23:29:38,541 INFO L98 nessWitnessExtractor]: Location invariant before [L172-L172] 1 <= b [2024-01-27 23:29:38,541 INFO L98 nessWitnessExtractor]: Location invariant before [L172-L172] 0 <= i [2024-01-27 23:29:38,541 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,541 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= j [2024-01-27 23:29:38,542 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= i [2024-01-27 23:29:38,542 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,542 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= i [2024-01-27 23:29:38,542 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= q1_back [2024-01-27 23:29:38,542 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= j [2024-01-27 23:29:38,543 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= i [2024-01-27 23:29:38,543 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= j [2024-01-27 23:29:38,543 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] -2147483647 <= q1_back [2024-01-27 23:29:38,544 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,546 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] 0 <= j [2024-01-27 23:29:38,546 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] 0 <= i [2024-01-27 23:29:38,547 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] -2147483647 <= q2_back [2024-01-27 23:29:38,547 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,550 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] 0 <= j [2024-01-27 23:29:38,550 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,551 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] 0 <= i [2024-01-27 23:29:38,551 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,551 INFO L98 nessWitnessExtractor]: Location invariant before [L102-L102] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,551 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,551 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] q2 == 0 [2024-01-27 23:29:38,551 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] total == 0 [2024-01-27 23:29:38,551 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] j == 0 [2024-01-27 23:29:38,551 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] i == 0 [2024-01-27 23:29:38,551 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,551 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] 0 <= i [2024-01-27 23:29:38,551 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] 0 <= q1_front [2024-01-27 23:29:38,551 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,551 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] 0 <= j [2024-01-27 23:29:38,551 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] n1 == 0 [2024-01-27 23:29:38,551 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2 == 0 [2024-01-27 23:29:38,551 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2_back == 0 [2024-01-27 23:29:38,551 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] i == 0 [2024-01-27 23:29:38,551 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q1 == 0 [2024-01-27 23:29:38,551 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] j == 0 [2024-01-27 23:29:38,552 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] total == 0 [2024-01-27 23:29:38,552 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] n2 == 0 [2024-01-27 23:29:38,552 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= i [2024-01-27 23:29:38,552 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,552 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= j [2024-01-27 23:29:38,552 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,552 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] 0 <= j [2024-01-27 23:29:38,552 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] 0 <= i [2024-01-27 23:29:38,552 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,552 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,552 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] 0 <= j [2024-01-27 23:29:38,552 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] 0 <= i [2024-01-27 23:29:38,552 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] q2 == 0 [2024-01-27 23:29:38,552 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] i == 0 [2024-01-27 23:29:38,552 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] j == 0 [2024-01-27 23:29:38,552 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] total == 0 [2024-01-27 23:29:38,552 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] N == 0 [2024-01-27 23:29:38,552 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] n2 == 0 [2024-01-27 23:29:38,552 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1 == 0 [2024-01-27 23:29:38,553 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] j == 0 [2024-01-27 23:29:38,553 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] total == 0 [2024-01-27 23:29:38,553 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1_front == 0 [2024-01-27 23:29:38,553 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2_front == 0 [2024-01-27 23:29:38,553 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] n1 == 0 [2024-01-27 23:29:38,553 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1_back == 0 [2024-01-27 23:29:38,554 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2 == 0 [2024-01-27 23:29:38,554 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] i == 0 [2024-01-27 23:29:38,554 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2_back == 0 [2024-01-27 23:29:38,554 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] j == 0 [2024-01-27 23:29:38,554 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] q2 == 0 [2024-01-27 23:29:38,554 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] total == 0 [2024-01-27 23:29:38,554 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] i == 0 [2024-01-27 23:29:38,554 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] j == 0 [2024-01-27 23:29:38,554 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] q2 == 0 [2024-01-27 23:29:38,554 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] total == 0 [2024-01-27 23:29:38,554 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] i == 0 [2024-01-27 23:29:38,554 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] 0 <= j [2024-01-27 23:29:38,554 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] -2147483647 <= q2_front [2024-01-27 23:29:38,554 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] 0 <= i [2024-01-27 23:29:38,554 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,555 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= i [2024-01-27 23:29:38,555 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= j [2024-01-27 23:29:38,555 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,555 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,555 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,555 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] j == 0 [2024-01-27 23:29:38,555 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] i == 0 [2024-01-27 23:29:38,555 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] n2 == 0 [2024-01-27 23:29:38,555 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] total == 0 [2024-01-27 23:29:38,555 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] q2 == 0 [2024-01-27 23:29:38,555 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] q1 == 0 [2024-01-27 23:29:38,555 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] 0 <= i [2024-01-27 23:29:38,555 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,555 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] 0 <= j [2024-01-27 23:29:38,555 INFO L98 nessWitnessExtractor]: Location invariant before [L120-L120] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,555 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,555 INFO L98 nessWitnessExtractor]: Location invariant before [L141-L141] total == 0 [2024-01-27 23:29:38,555 INFO L98 nessWitnessExtractor]: Location invariant before [L141-L141] i == 0 [2024-01-27 23:29:38,555 INFO L98 nessWitnessExtractor]: Location invariant before [L141-L141] -2147483647 <= N [2024-01-27 23:29:38,555 INFO L98 nessWitnessExtractor]: Location invariant before [L141-L141] M <= 2147483646 [2024-01-27 23:29:38,556 INFO L98 nessWitnessExtractor]: Location invariant before [L141-L141] j == 0 [2024-01-27 23:29:38,556 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,556 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] i == 0 [2024-01-27 23:29:38,556 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q1_back == 0 [2024-01-27 23:29:38,556 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] j == 0 [2024-01-27 23:29:38,556 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q2_front == 0 [2024-01-27 23:29:38,556 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] total == 0 [2024-01-27 23:29:38,556 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q1_front == 0 [2024-01-27 23:29:38,556 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] N == 0 [2024-01-27 23:29:38,556 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] n1 == 0 [2024-01-27 23:29:38,556 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q1 == 0 [2024-01-27 23:29:38,556 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] M == 0 [2024-01-27 23:29:38,556 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] n2 == 0 [2024-01-27 23:29:38,556 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q2_back == 0 [2024-01-27 23:29:38,556 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q2 == 0 [2024-01-27 23:29:38,556 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= i [2024-01-27 23:29:38,556 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-01-27 23:29:38,556 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= j [2024-01-27 23:29:38,593 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 23:29:38,778 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c[4345,4358] [2024-01-27 23:29:38,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 23:29:38,796 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 23:29:38,810 WARN L424 MainDispatcher]: Unable to annotate extern int pthread_create (pthread_t *__restrict __newthread, const pthread_attr_t *__restrict __attr, void *(*__start_routine) (void *), void *__restrict __arg) __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1, 3))); with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-27 23:29:38,903 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c[4345,4358] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-27 23:29:38,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 23:29:38,943 INFO L206 MainTranslator]: Completed translation [2024-01-27 23:29:38,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:29:38 WrapperNode [2024-01-27 23:29:38,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 23:29:38,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 23:29:38,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 23:29:38,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 23:29:38,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:29:38" (1/1) ... [2024-01-27 23:29:38,960 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:29:38" (1/1) ... [2024-01-27 23:29:39,001 INFO L138 Inliner]: procedures = 26, calls = 79, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 667 [2024-01-27 23:29:39,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 23:29:39,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 23:29:39,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 23:29:39,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 23:29:39,024 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:29:38" (1/1) ... [2024-01-27 23:29:39,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:29:38" (1/1) ... [2024-01-27 23:29:39,029 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:29:38" (1/1) ... [2024-01-27 23:29:39,045 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 23:29:39,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:29:38" (1/1) ... [2024-01-27 23:29:39,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:29:38" (1/1) ... [2024-01-27 23:29:39,057 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:29:38" (1/1) ... [2024-01-27 23:29:39,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:29:38" (1/1) ... [2024-01-27 23:29:39,063 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:29:38" (1/1) ... [2024-01-27 23:29:39,065 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:29:38" (1/1) ... [2024-01-27 23:29:39,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 23:29:39,070 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 23:29:39,070 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 23:29:39,070 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 23:29:39,071 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:29:38" (1/1) ... [2024-01-27 23:29:39,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 23:29:39,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 23:29:39,099 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 23:29:39,111 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 23:29:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 23:29:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 23:29:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 23:29:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 23:29:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 23:29:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-27 23:29:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-27 23:29:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-01-27 23:29:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 23:29:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 23:29:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 23:29:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-27 23:29:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-27 23:29:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-01-27 23:29:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-27 23:29:39,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-27 23:29:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-27 23:29:39,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-27 23:29:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-27 23:29:39,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-27 23:29:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-27 23:29:39,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-27 23:29:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 23:29:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 23:29:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 23:29:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-27 23:29:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-27 23:29:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-01-27 23:29:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-27 23:29:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-27 23:29:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-27 23:29:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 23:29:39,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 23:29:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 23:29:39,141 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 23:29:39,270 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 23:29:39,271 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 23:29:40,030 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 23:29:40,031 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 23:29:40,808 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 23:29:40,808 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-01-27 23:29:40,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:29:40 BoogieIcfgContainer [2024-01-27 23:29:40,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 23:29:40,811 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 23:29:40,811 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 23:29:40,813 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 23:29:40,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:29:37" (1/4) ... [2024-01-27 23:29:40,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269b1421 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 11:29:40, skipping insertion in model container [2024-01-27 23:29:40,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 11:29:38" (2/4) ... [2024-01-27 23:29:40,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269b1421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 11:29:40, skipping insertion in model container [2024-01-27 23:29:40,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:29:38" (3/4) ... [2024-01-27 23:29:40,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269b1421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 11:29:40, skipping insertion in model container [2024-01-27 23:29:40,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:29:40" (4/4) ... [2024-01-27 23:29:40,817 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt.wvr.c [2024-01-27 23:29:40,831 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 23:29:40,831 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 333 error locations. [2024-01-27 23:29:40,831 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 23:29:40,992 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-27 23:29:41,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 594 places, 587 transitions, 1202 flow [2024-01-27 23:29:41,235 INFO L124 PetriNetUnfolderBase]: 6/583 cut-off events. [2024-01-27 23:29:41,235 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-27 23:29:41,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 600 conditions, 583 events. 6/583 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1861 event pairs, 0 based on Foata normal form. 0/244 useless extension candidates. Maximal degree in co-relation 523. Up to 2 conditions per place. [2024-01-27 23:29:41,244 INFO L82 GeneralOperation]: Start removeDead. Operand has 594 places, 587 transitions, 1202 flow [2024-01-27 23:29:41,260 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 589 places, 582 transitions, 1188 flow [2024-01-27 23:29:41,272 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 23:29:41,279 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;@46fd494e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 23:29:41,279 INFO L358 AbstractCegarLoop]: Starting to check reachability of 493 error locations. [2024-01-27 23:29:41,281 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 23:29:41,281 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 23:29:41,281 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 23:29:41,281 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:29:41,282 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 23:29:41,282 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 490 more)] === [2024-01-27 23:29:41,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:29:41,290 INFO L85 PathProgramCache]: Analyzing trace with hash 84505, now seen corresponding path program 1 times [2024-01-27 23:29:41,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:29:41,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406673071] [2024-01-27 23:29:41,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:29:41,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:29:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:29:41,461 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 23:29:41,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:29:41,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406673071] [2024-01-27 23:29:41,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406673071] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:29:41,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:29:41,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:29:41,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964549736] [2024-01-27 23:29:41,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:29:41,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:29:41,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:29:41,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:29:41,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:29:41,571 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 587 [2024-01-27 23:29:41,577 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 589 places, 582 transitions, 1188 flow. Second operand has 3 states, 3 states have (on average 338.6666666666667) internal successors, (1016), 3 states have internal predecessors, (1016), 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 23:29:41,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:29:41,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 587 [2024-01-27 23:29:41,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand