./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.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-mult.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-mult.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-more-buffer-mult.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 15:00:26,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 15:00:26,852 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 15:00:26,857 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 15:00:26,857 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 15:00:26,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 15:00:26,889 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 15:00:26,889 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 15:00:26,890 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 15:00:26,893 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 15:00:26,893 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 15:00:26,894 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 15:00:26,895 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 15:00:26,896 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 15:00:26,896 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 15:00:26,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 15:00:26,896 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 15:00:26,897 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 15:00:26,897 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 15:00:26,897 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 15:00:26,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 15:00:26,898 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 15:00:26,898 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 15:00:26,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 15:00:26,898 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 15:00:26,899 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 15:00:26,899 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 15:00:26,899 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 15:00:26,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 15:00:26,900 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 15:00:26,901 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 15:00:26,901 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 15:00:26,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 15:00:26,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 15:00:26,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 15:00:26,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 15:00:26,902 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 15:00:26,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 15:00:26,902 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 15:00:26,902 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 15:00:26,903 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 15:00:26,903 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 15:00:26,903 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 15:00:26,903 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 15:00:27,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 15:00:27,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 15:00:27,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 15:00:27,129 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 15:00:27,129 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 15:00:27,130 INFO L431 ainManager$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-mult.wvr.yml/witness.yml [2024-01-27 15:00:27,323 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 15:00:27,323 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 15:00:27,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2024-01-27 15:00:28,354 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 15:00:28,517 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 15:00:28,518 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2024-01-27 15:00:28,524 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1df0a4c57/ba022d4cbda749bea30d19cd4d80b91c/FLAGc621704cf [2024-01-27 15:00:28,533 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1df0a4c57/ba022d4cbda749bea30d19cd4d80b91c [2024-01-27 15:00:28,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 15:00:28,534 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 15:00:28,542 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 15:00:28,542 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 15:00:28,546 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 15:00:28,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 03:00:27" (1/2) ... [2024-01-27 15:00:28,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bbf3a9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 03:00:28, skipping insertion in model container [2024-01-27 15:00:28,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 03:00:27" (1/2) ... [2024-01-27 15:00:28,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6259c3d9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 03:00:28, skipping insertion in model container [2024-01-27 15:00:28,549 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:00:28" (2/2) ... [2024-01-27 15:00:28,549 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bbf3a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:28, skipping insertion in model container [2024-01-27 15:00:28,549 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:00:28" (2/2) ... [2024-01-27 15:00:28,550 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 15:00:28,609 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 15:00:28,610 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,610 INFO L98 nessWitnessExtractor]: Loop invariant at [L111-L120] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,611 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,611 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] 0 <= j [2024-01-27 15:00:28,611 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] 0 <= i [2024-01-27 15:00:28,611 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,612 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= i [2024-01-27 15:00:28,612 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= j [2024-01-27 15:00:28,612 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,612 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,612 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] -2147483647 <= q2_back [2024-01-27 15:00:28,612 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,612 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= j [2024-01-27 15:00:28,612 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= i [2024-01-27 15:00:28,613 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] j == 0 [2024-01-27 15:00:28,613 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] q2 == 0 [2024-01-27 15:00:28,613 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] total == 0 [2024-01-27 15:00:28,613 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] i == 0 [2024-01-27 15:00:28,613 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,613 INFO L98 nessWitnessExtractor]: Loop invariant at [L162-L164] total == 0 [2024-01-27 15:00:28,613 INFO L98 nessWitnessExtractor]: Loop invariant at [L162-L164] q2 == 0 [2024-01-27 15:00:28,614 INFO L98 nessWitnessExtractor]: Loop invariant at [L162-L164] j == 0 [2024-01-27 15:00:28,614 INFO L98 nessWitnessExtractor]: Loop invariant at [L162-L164] (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 15:00:28,614 INFO L98 nessWitnessExtractor]: Loop invariant at [L162-L164] i == 0 [2024-01-27 15:00:28,614 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,614 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= j [2024-01-27 15:00:28,614 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] q1_front <= 2147483646 [2024-01-27 15:00:28,615 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] -2147483647 <= q1_back [2024-01-27 15:00:28,615 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,615 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= i [2024-01-27 15:00:28,615 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,615 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] 0 <= j [2024-01-27 15:00:28,615 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] 0 <= i [2024-01-27 15:00:28,615 INFO L98 nessWitnessExtractor]: Location invariant before [L171-L171] 0 <= j [2024-01-27 15:00:28,615 INFO L98 nessWitnessExtractor]: Location invariant before [L171-L171] 0 <= i [2024-01-27 15:00:28,616 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] j == 0 [2024-01-27 15:00:28,616 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q2 == 0 [2024-01-27 15:00:28,616 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] total == 0 [2024-01-27 15:00:28,617 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] i == 0 [2024-01-27 15:00:28,617 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q1 == 0 [2024-01-27 15:00:28,617 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q2_back == 0 [2024-01-27 15:00:28,617 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= j [2024-01-27 15:00:28,618 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= i [2024-01-27 15:00:28,618 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,618 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2 == 0 [2024-01-27 15:00:28,618 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2_back == 0 [2024-01-27 15:00:28,618 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] j == 0 [2024-01-27 15:00:28,618 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2_front == 0 [2024-01-27 15:00:28,618 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] total == 0 [2024-01-27 15:00:28,619 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q1 == 0 [2024-01-27 15:00:28,619 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] i == 0 [2024-01-27 15:00:28,619 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q1_back == 0 [2024-01-27 15:00:28,619 INFO L98 nessWitnessExtractor]: Location invariant before [L158-L158] i == 0 [2024-01-27 15:00:28,619 INFO L98 nessWitnessExtractor]: Location invariant before [L158-L158] total == 0 [2024-01-27 15:00:28,619 INFO L98 nessWitnessExtractor]: Location invariant before [L158-L158] j == 0 [2024-01-27 15:00:28,620 INFO L98 nessWitnessExtractor]: Location invariant before [L158-L158] q2 == 0 [2024-01-27 15:00:28,620 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,621 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= i [2024-01-27 15:00:28,621 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= j [2024-01-27 15:00:28,621 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,621 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] 0 <= j [2024-01-27 15:00:28,621 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] 0 <= i [2024-01-27 15:00:28,621 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,621 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] total == 0 [2024-01-27 15:00:28,622 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] (((((((((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 15:00:28,622 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] i == 0 [2024-01-27 15:00:28,622 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] q2 == 0 [2024-01-27 15:00:28,642 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] size != 0 [2024-01-27 15:00:28,644 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] j == 0 [2024-01-27 15:00:28,644 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,644 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] 0 <= j [2024-01-27 15:00:28,649 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] 0 <= i [2024-01-27 15:00:28,653 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,653 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] 0 <= j [2024-01-27 15:00:28,654 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] 0 <= i [2024-01-27 15:00:28,654 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,654 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] 0 <= i [2024-01-27 15:00:28,654 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,654 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] 0 <= j [2024-01-27 15:00:28,654 INFO L98 nessWitnessExtractor]: Location invariant before [L142-L142] total == 0 [2024-01-27 15:00:28,654 INFO L98 nessWitnessExtractor]: Location invariant before [L142-L142] i == 0 [2024-01-27 15:00:28,654 INFO L98 nessWitnessExtractor]: Location invariant before [L142-L142] j == 0 [2024-01-27 15:00:28,654 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= j [2024-01-27 15:00:28,655 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= i [2024-01-27 15:00:28,655 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,655 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] -2147483647 <= q1_back [2024-01-27 15:00:28,655 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,655 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] j == 0 [2024-01-27 15:00:28,655 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] i == 0 [2024-01-27 15:00:28,655 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q2_back == 0 [2024-01-27 15:00:28,655 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] n2 == 0 [2024-01-27 15:00:28,655 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q1 == 0 [2024-01-27 15:00:28,656 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q1_back == 0 [2024-01-27 15:00:28,656 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] n1 == 0 [2024-01-27 15:00:28,656 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] total == 0 [2024-01-27 15:00:28,656 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q2_front == 0 [2024-01-27 15:00:28,656 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q2 == 0 [2024-01-27 15:00:28,656 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q1_front == 0 [2024-01-27 15:00:28,656 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,656 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] 1 <= j [2024-01-27 15:00:28,656 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] 0 <= i [2024-01-27 15:00:28,657 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] -2147483647 <= q2_back [2024-01-27 15:00:28,657 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] q2_front <= 2147483646 [2024-01-27 15:00:28,657 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] 0 <= i [2024-01-27 15:00:28,657 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] 0 <= j [2024-01-27 15:00:28,657 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,657 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,657 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] -2147483647 <= C [2024-01-27 15:00:28,657 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] total == 0 [2024-01-27 15:00:28,657 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] i == 0 [2024-01-27 15:00:28,658 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] j == 0 [2024-01-27 15:00:28,658 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] 0 <= j [2024-01-27 15:00:28,658 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] 0 <= q2_back [2024-01-27 15:00:28,658 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,658 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] 0 <= i [2024-01-27 15:00:28,658 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] 0 <= j [2024-01-27 15:00:28,658 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] 0 <= i [2024-01-27 15:00:28,658 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,658 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] n2 == 0 [2024-01-27 15:00:28,659 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q1_back == 0 [2024-01-27 15:00:28,659 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] i == 0 [2024-01-27 15:00:28,659 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] j == 0 [2024-01-27 15:00:28,659 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] total == 0 [2024-01-27 15:00:28,659 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q2 == 0 [2024-01-27 15:00:28,659 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] N == 0 [2024-01-27 15:00:28,659 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q2_front == 0 [2024-01-27 15:00:28,659 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q1_front == 0 [2024-01-27 15:00:28,659 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] n1 == 0 [2024-01-27 15:00:28,660 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q2_back == 0 [2024-01-27 15:00:28,660 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q1 == 0 [2024-01-27 15:00:28,660 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] i == 0 [2024-01-27 15:00:28,660 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] q2 == 0 [2024-01-27 15:00:28,660 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] j == 0 [2024-01-27 15:00:28,660 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] total == 0 [2024-01-27 15:00:28,660 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2_back == 0 [2024-01-27 15:00:28,660 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] total == 0 [2024-01-27 15:00:28,660 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] j == 0 [2024-01-27 15:00:28,660 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2_front == 0 [2024-01-27 15:00:28,661 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2 == 0 [2024-01-27 15:00:28,661 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1 == 0 [2024-01-27 15:00:28,661 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1_front == 0 [2024-01-27 15:00:28,661 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1_back == 0 [2024-01-27 15:00:28,661 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] i == 0 [2024-01-27 15:00:28,662 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] 0 <= i [2024-01-27 15:00:28,662 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,662 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] 0 <= j [2024-01-27 15:00:28,662 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] -2147483647 <= q2_front [2024-01-27 15:00:28,663 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= j [2024-01-27 15:00:28,663 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,663 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 1 <= i [2024-01-27 15:00:28,663 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] total == 0 [2024-01-27 15:00:28,663 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] q2 == 0 [2024-01-27 15:00:28,663 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] i == 0 [2024-01-27 15:00:28,663 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] j == 0 [2024-01-27 15:00:28,663 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] 0 <= i [2024-01-27 15:00:28,663 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] 0 <= j [2024-01-27 15:00:28,664 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,664 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,664 INFO L98 nessWitnessExtractor]: Location invariant before [L119-L119] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,664 INFO L98 nessWitnessExtractor]: Location invariant before [L119-L119] 0 <= i [2024-01-27 15:00:28,664 INFO L98 nessWitnessExtractor]: Location invariant before [L119-L119] 0 <= j [2024-01-27 15:00:28,664 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] total == 0 [2024-01-27 15:00:28,664 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2_front == 0 [2024-01-27 15:00:28,665 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] n2 == 0 [2024-01-27 15:00:28,665 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] j == 0 [2024-01-27 15:00:28,665 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2 == 0 [2024-01-27 15:00:28,665 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1_front == 0 [2024-01-27 15:00:28,665 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1 == 0 [2024-01-27 15:00:28,666 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1_back == 0 [2024-01-27 15:00:28,666 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] i == 0 [2024-01-27 15:00:28,666 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2_back == 0 [2024-01-27 15:00:28,666 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,666 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= i [2024-01-27 15:00:28,666 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= j [2024-01-27 15:00:28,666 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,667 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] 0 <= i [2024-01-27 15:00:28,667 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,667 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] 0 <= j [2024-01-27 15:00:28,667 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] q2 == 0 [2024-01-27 15:00:28,668 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] total == 0 [2024-01-27 15:00:28,668 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] i == 0 [2024-01-27 15:00:28,670 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] j == 0 [2024-01-27 15:00:28,671 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] 0 <= i [2024-01-27 15:00:28,671 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,671 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] 0 <= i [2024-01-27 15:00:28,675 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] 0 <= j [2024-01-27 15:00:28,675 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,675 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] 0 <= i [2024-01-27 15:00:28,675 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] 0 <= j [2024-01-27 15:00:28,676 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,676 INFO L98 nessWitnessExtractor]: Location invariant before [L170-L170] 0 <= j [2024-01-27 15:00:28,676 INFO L98 nessWitnessExtractor]: Location invariant before [L170-L170] b != 0 [2024-01-27 15:00:28,676 INFO L98 nessWitnessExtractor]: Location invariant before [L170-L170] 1 <= b [2024-01-27 15:00:28,676 INFO L98 nessWitnessExtractor]: Location invariant before [L170-L170] 0 <= i [2024-01-27 15:00:28,676 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,676 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= i [2024-01-27 15:00:28,676 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= j [2024-01-27 15:00:28,676 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q2_back == 0 [2024-01-27 15:00:28,676 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] total == 0 [2024-01-27 15:00:28,677 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q1 == 0 [2024-01-27 15:00:28,677 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q2 == 0 [2024-01-27 15:00:28,677 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] j == 0 [2024-01-27 15:00:28,677 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q2_front == 0 [2024-01-27 15:00:28,677 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] i == 0 [2024-01-27 15:00:28,677 INFO L98 nessWitnessExtractor]: Location invariant before [L118-L118] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,677 INFO L98 nessWitnessExtractor]: Location invariant before [L118-L118] 0 <= i [2024-01-27 15:00:28,677 INFO L98 nessWitnessExtractor]: Location invariant before [L118-L118] 0 <= j [2024-01-27 15:00:28,677 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,677 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,677 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] 0 <= i [2024-01-27 15:00:28,678 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] 0 <= j [2024-01-27 15:00:28,678 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,678 INFO L98 nessWitnessExtractor]: Location invariant before [L169-L169] 0 <= i [2024-01-27 15:00:28,679 INFO L98 nessWitnessExtractor]: Location invariant before [L169-L169] b <= -1 [2024-01-27 15:00:28,679 INFO L98 nessWitnessExtractor]: Location invariant before [L169-L169] b != 0 [2024-01-27 15:00:28,679 INFO L98 nessWitnessExtractor]: Location invariant before [L169-L169] 0 <= j [2024-01-27 15:00:28,679 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] 0 <= j [2024-01-27 15:00:28,679 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,679 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] 0 <= i [2024-01-27 15:00:28,679 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] q2 == 0 [2024-01-27 15:00:28,679 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] j == 0 [2024-01-27 15:00:28,679 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] i == 0 [2024-01-27 15:00:28,679 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] total == 0 [2024-01-27 15:00:28,679 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] 0 <= j [2024-01-27 15:00:28,680 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,680 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] 0 <= i [2024-01-27 15:00:28,680 INFO L98 nessWitnessExtractor]: Loop invariant at [L72-L84] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,680 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,680 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] 0 <= i [2024-01-27 15:00:28,680 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] 0 <= j [2024-01-27 15:00:28,680 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] -2147483647 <= q1_front [2024-01-27 15:00:28,680 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,681 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= j [2024-01-27 15:00:28,681 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,681 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= i [2024-01-27 15:00:28,681 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= q1_back [2024-01-27 15:00:28,681 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= j [2024-01-27 15:00:28,682 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= i [2024-01-27 15:00:28,682 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,682 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] 0 <= i [2024-01-27 15:00:28,682 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] 0 <= j [2024-01-27 15:00:28,682 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,682 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,682 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,682 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] 0 <= j [2024-01-27 15:00:28,683 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,683 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] 0 <= i [2024-01-27 15:00:28,683 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,683 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] 0 <= i [2024-01-27 15:00:28,683 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] 0 <= j [2024-01-27 15:00:28,683 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,683 INFO L98 nessWitnessExtractor]: Loop invariant at [L51-L63] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,683 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] 0 <= j [2024-01-27 15:00:28,683 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,684 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] 0 <= i [2024-01-27 15:00:28,685 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] total == 0 [2024-01-27 15:00:28,685 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] n2 == 0 [2024-01-27 15:00:28,685 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2_back == 0 [2024-01-27 15:00:28,685 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] C == 0 [2024-01-27 15:00:28,685 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] i == 0 [2024-01-27 15:00:28,685 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2 == 0 [2024-01-27 15:00:28,685 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1 == 0 [2024-01-27 15:00:28,685 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] N == 0 [2024-01-27 15:00:28,686 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1_back == 0 [2024-01-27 15:00:28,686 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] n1 == 0 [2024-01-27 15:00:28,686 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1_front == 0 [2024-01-27 15:00:28,686 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2_front == 0 [2024-01-27 15:00:28,686 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] j == 0 [2024-01-27 15:00:28,686 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] j == 0 [2024-01-27 15:00:28,686 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] i == 0 [2024-01-27 15:00:28,686 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] total == 0 [2024-01-27 15:00:28,686 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] q1 == 0 [2024-01-27 15:00:28,687 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] q2 == 0 [2024-01-27 15:00:28,687 INFO L98 nessWitnessExtractor]: Loop invariant at [L93-L102] (unsigned long )_argptr == 0UL [2024-01-27 15:00:28,711 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 15:00:28,875 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-mult.wvr.c[4270,4283] [2024-01-27 15:00:28,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 15:00:28,891 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 15:00:28,903 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 [2024-01-27 15:00:29,035 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-mult.wvr.c[4270,4283] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local 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 15:00:29,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 15:00:29,060 INFO L206 MainTranslator]: Completed translation [2024-01-27 15:00:29,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:29 WrapperNode [2024-01-27 15:00:29,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 15:00:29,062 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 15:00:29,062 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 15:00:29,062 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 15:00:29,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:29" (1/1) ... [2024-01-27 15:00:29,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:29" (1/1) ... [2024-01-27 15:00:29,124 INFO L138 Inliner]: procedures = 27, calls = 80, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 642 [2024-01-27 15:00:29,126 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 15:00:29,127 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 15:00:29,127 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 15:00:29,127 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 15:00:29,135 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:29" (1/1) ... [2024-01-27 15:00:29,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:29" (1/1) ... [2024-01-27 15:00:29,143 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:29" (1/1) ... [2024-01-27 15:00:29,169 INFO L175 MemorySlicer]: Split 16 memory accesses to 6 slices as follows [2, 2, 2, 2, 2, 6]. 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, 1, 2]. [2024-01-27 15:00:29,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:29" (1/1) ... [2024-01-27 15:00:29,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:29" (1/1) ... [2024-01-27 15:00:29,183 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:29" (1/1) ... [2024-01-27 15:00:29,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:29" (1/1) ... [2024-01-27 15:00:29,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:29" (1/1) ... [2024-01-27 15:00:29,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:29" (1/1) ... [2024-01-27 15:00:29,210 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 15:00:29,213 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 15:00:29,213 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 15:00:29,213 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 15:00:29,214 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:29" (1/1) ... [2024-01-27 15:00:29,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 15:00:29,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 15:00:29,234 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 15:00:29,253 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 15:00:29,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 15:00:29,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 15:00:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 15:00:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 15:00:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 15:00:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-27 15:00:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-27 15:00:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-01-27 15:00:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 15:00:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 15:00:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 15:00:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-27 15:00:29,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-27 15:00:29,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-01-27 15:00:29,266 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-27 15:00:29,266 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-27 15:00:29,266 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-27 15:00:29,266 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-27 15:00:29,266 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-27 15:00:29,266 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-27 15:00:29,266 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-27 15:00:29,266 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-27 15:00:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 15:00:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 15:00:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 15:00:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-27 15:00:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-27 15:00:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-01-27 15:00:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-27 15:00:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-27 15:00:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-27 15:00:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 15:00:29,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 15:00:29,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 15:00:29,269 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 15:00:29,391 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 15:00:29,393 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 15:00:30,189 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 15:00:30,190 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 15:00:30,916 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 15:00:30,917 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-01-27 15:00:30,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 03:00:30 BoogieIcfgContainer [2024-01-27 15:00:30,918 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 15:00:30,932 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 15:00:30,932 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 15:00:30,935 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 15:00:30,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 03:00:27" (1/4) ... [2024-01-27 15:00:30,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e323c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 03:00:30, skipping insertion in model container [2024-01-27 15:00:30,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 03:00:28" (2/4) ... [2024-01-27 15:00:30,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e323c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 03:00:30, skipping insertion in model container [2024-01-27 15:00:30,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:00:29" (3/4) ... [2024-01-27 15:00:30,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e323c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 03:00:30, skipping insertion in model container [2024-01-27 15:00:30,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 03:00:30" (4/4) ... [2024-01-27 15:00:30,937 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult.wvr.c [2024-01-27 15:00:30,957 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 15:00:30,958 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 323 error locations. [2024-01-27 15:00:30,958 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 15:00:31,126 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-27 15:00:31,165 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 566 places, 559 transitions, 1146 flow [2024-01-27 15:00:31,318 INFO L124 PetriNetUnfolderBase]: 6/555 cut-off events. [2024-01-27 15:00:31,319 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-27 15:00:31,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 572 conditions, 555 events. 6/555 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1906 event pairs, 0 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 494. Up to 2 conditions per place. [2024-01-27 15:00:31,327 INFO L82 GeneralOperation]: Start removeDead. Operand has 566 places, 559 transitions, 1146 flow [2024-01-27 15:00:31,341 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 561 places, 554 transitions, 1132 flow [2024-01-27 15:00:31,378 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 15:00:31,383 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;@1df6be30, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 15:00:31,383 INFO L358 AbstractCegarLoop]: Starting to check reachability of 491 error locations. [2024-01-27 15:00:31,386 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 15:00:31,386 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 15:00:31,386 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 15:00:31,387 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 15:00:31,387 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 15:00:31,387 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 488 more)] === [2024-01-27 15:00:31,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 15:00:31,392 INFO L85 PathProgramCache]: Analyzing trace with hash 82776, now seen corresponding path program 1 times [2024-01-27 15:00:31,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 15:00:31,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593728346] [2024-01-27 15:00:31,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 15:00:31,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 15:00:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 15:00:31,692 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 15:00:31,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 15:00:31,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593728346] [2024-01-27 15:00:31,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593728346] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 15:00:31,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 15:00:31,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 15:00:31,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673343253] [2024-01-27 15:00:31,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 15:00:31,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 15:00:31,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 15:00:31,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 15:00:31,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 15:00:31,809 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 559 [2024-01-27 15:00:31,813 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 561 places, 554 transitions, 1132 flow. Second operand has 3 states, 3 states have (on average 309.6666666666667) internal successors, (929), 3 states have internal predecessors, (929), 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 15:00:31,813 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 15:00:31,813 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 559 [2024-01-27 15:00:31,814 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand