./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-more-buffer-mult2.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8857f20b Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-more-buffer-mult2.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-8857f20-m [2024-01-29 22:58:44,372 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 22:58:44,434 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 22:58:44,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 22:58:44,440 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 22:58:44,478 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 22:58:44,479 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 22:58:44,479 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 22:58:44,479 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 22:58:44,482 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 22:58:44,483 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 22:58:44,483 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 22:58:44,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 22:58:44,484 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 22:58:44,485 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 22:58:44,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 22:58:44,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 22:58:44,485 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 22:58:44,485 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 22:58:44,485 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 22:58:44,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 22:58:44,486 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 22:58:44,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 22:58:44,486 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 22:58:44,486 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 22:58:44,487 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 22:58:44,487 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 22:58:44,487 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 22:58:44,487 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 22:58:44,488 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 22:58:44,488 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 22:58:44,488 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 22:58:44,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 22:58:44,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 22:58:44,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 22:58:44,489 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 22:58:44,489 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 22:58:44,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 22:58:44,489 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 22:58:44,489 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 22:58:44,490 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 22:58:44,490 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 22:58:44,490 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 22:58:44,490 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 22:58:44,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 22:58:44,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 22:58:44,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 22:58:44,762 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 22:58:44,762 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 22:58:44,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c [2024-01-29 22:58:45,927 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 22:58:46,218 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 22:58:46,219 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c [2024-01-29 22:58:46,230 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58c56e9b2/5a74ba79c57848728451eeb1e16b104b/FLAGb28b79ffd [2024-01-29 22:58:46,272 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58c56e9b2/5a74ba79c57848728451eeb1e16b104b [2024-01-29 22:58:46,275 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 22:58:46,275 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 22:58:46,278 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-more-buffer-mult2.wvr.yml/witness.yml [2024-01-29 22:58:46,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 22:58:46,584 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 22:58:46,585 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 22:58:46,585 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 22:58:46,589 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 22:58:46,589 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:58:46" (1/2) ... [2024-01-29 22:58:46,590 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@169d475f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:58:46, skipping insertion in model container [2024-01-29 22:58:46,590 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:58:46" (1/2) ... [2024-01-29 22:58:46,592 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@18035823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:58:46, skipping insertion in model container [2024-01-29 22:58:46,592 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:58:46" (2/2) ... [2024-01-29 22:58:46,593 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@169d475f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:46, skipping insertion in model container [2024-01-29 22:58:46,593 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:58:46" (2/2) ... [2024-01-29 22:58:46,593 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 22:58:46,693 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 22:58:46,694 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] (0 <= i) && (1 <= b) [2024-01-29 22:58:46,694 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] 0 <= i [2024-01-29 22:58:46,694 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] ((0 <= i) && (1 <= b)) && (b != 0) [2024-01-29 22:58:46,695 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] (0 <= i) && (0 <= j) [2024-01-29 22:58:46,695 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-29 22:58:46,695 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] (0 <= i) && (0 <= j) [2024-01-29 22:58:46,695 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] 0 <= i [2024-01-29 22:58:46,695 INFO L98 nessWitnessExtractor]: Location invariant before [L118-L118] (unsigned long )_argptr == 0UL [2024-01-29 22:58:46,696 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] ((q1 == 0) && (q2 == 0)) && (q1_front == 0) [2024-01-29 22:58:46,696 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] (((q1 == 0) && (q2 == 0)) && (q1_front == 0)) && (q1_back == 0) [2024-01-29 22:58:46,696 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] (((q1 == 0) && (q2 == 0)) && (q1_front == 0)) && (i == 0) [2024-01-29 22:58:46,696 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] (((q1 == 0) && (q2 == 0)) && (q1_front == 0)) && (q2_back == 0) [2024-01-29 22:58:46,696 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] (((q1 == 0) && (q2 == 0)) && (q1_front == 0)) && (q2_front == 0) [2024-01-29 22:58:46,696 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] (((q1 == 0) && (q2 == 0)) && (q1_front == 0)) && (j == 0) [2024-01-29 22:58:46,696 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] (q1 == 0) && (q2 == 0) [2024-01-29 22:58:46,697 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] (((q1 == 0) && (q2 == 0)) && (q1_front == 0)) && (n1 == 0) [2024-01-29 22:58:46,697 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] (((q1 == 0) && (q2 == 0)) && (q1_front == 0)) && (n2 == 0) [2024-01-29 22:58:46,697 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] (((q1 == 0) && (q2 == 0)) && (q1_front == 0)) && (total == 0) [2024-01-29 22:58:46,697 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q1 == 0 [2024-01-29 22:58:46,697 INFO L98 nessWitnessExtractor]: Location invariant before [L106-L106] 0 <= i [2024-01-29 22:58:46,698 INFO L98 nessWitnessExtractor]: Location invariant before [L106-L106] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,698 INFO L98 nessWitnessExtractor]: Location invariant before [L106-L106] (0 <= i) && (0 <= j) [2024-01-29 22:58:46,698 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] (((q1 == 0) && (q2 == 0)) && (q2_back == 0)) && (i == 0) [2024-01-29 22:58:46,698 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] ((((q1 == 0) && (q2 == 0)) && (q2_back == 0)) && (i == 0)) && (j == 0) [2024-01-29 22:58:46,698 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] ((q1 == 0) && (q2 == 0)) && (q2_back == 0) [2024-01-29 22:58:46,698 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] (q1 == 0) && (q2 == 0) [2024-01-29 22:58:46,698 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1 == 0 [2024-01-29 22:58:46,699 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] ((((q1 == 0) && (q2 == 0)) && (q2_back == 0)) && (i == 0)) && (total == 0) [2024-01-29 22:58:46,699 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] (unsigned long )_argptr == 0UL [2024-01-29 22:58:46,699 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] (unsigned long )_argptr == 0UL [2024-01-29 22:58:46,699 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,699 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= i [2024-01-29 22:58:46,699 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (0 <= i) && (0 <= j) [2024-01-29 22:58:46,699 INFO L98 nessWitnessExtractor]: Loop invariant at [L51-L61] (unsigned long )_argptr == 0UL [2024-01-29 22:58:46,700 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] (q2 == 0) && (total == 0) [2024-01-29 22:58:46,700 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2 == 0 [2024-01-29 22:58:46,700 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] (q2 == 0) && (j == 0) [2024-01-29 22:58:46,701 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] (q2 == 0) && (i == 0) [2024-01-29 22:58:46,702 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] 0 <= i [2024-01-29 22:58:46,702 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,702 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] (0 <= i) && (0 <= j) [2024-01-29 22:58:46,702 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] -2147483647 <= q2_back [2024-01-29 22:58:46,702 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] (-2147483647 <= q2_back) && (0 <= i) [2024-01-29 22:58:46,702 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] (-2147483647 <= q2_back) && (0 <= j) [2024-01-29 22:58:46,702 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] (-2147483647 <= q2_back) && (q2_front <= 2147483646) [2024-01-29 22:58:46,703 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] (-2147483647 <= q2_back) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,703 INFO L98 nessWitnessExtractor]: Loop invariant at [L107-L116] (unsigned long )_argptr == 0UL [2024-01-29 22:58:46,703 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] (0 <= i) && (0 <= j) [2024-01-29 22:58:46,703 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,703 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] 0 <= i [2024-01-29 22:58:46,703 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= i [2024-01-29 22:58:46,704 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,704 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (0 <= i) && (0 <= j) [2024-01-29 22:58:46,704 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-29 22:58:46,704 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= i [2024-01-29 22:58:46,705 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (0 <= i) && (0 <= j) [2024-01-29 22:58:46,705 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,706 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] ((0 <= q1_back) && (0 <= i)) && (0 <= j) [2024-01-29 22:58:46,706 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (0 <= q1_back) && (0 <= i) [2024-01-29 22:58:46,706 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= q1_back [2024-01-29 22:58:46,706 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (((0 <= q1_back) && (0 <= i)) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,706 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] (unsigned long )_argptr == 0UL [2024-01-29 22:58:46,706 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (0 <= i) && (0 <= j) [2024-01-29 22:58:46,706 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= i [2024-01-29 22:58:46,707 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,707 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,707 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] 0 <= i [2024-01-29 22:58:46,707 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (0 <= i) && (0 <= j) [2024-01-29 22:58:46,707 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] (((-2147483647 <= q2_front) && (0 <= i)) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,707 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] ((-2147483647 <= q2_front) && (0 <= i)) && (0 <= j) [2024-01-29 22:58:46,707 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] (-2147483647 <= q2_front) && (0 <= i) [2024-01-29 22:58:46,708 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] -2147483647 <= q2_front [2024-01-29 22:58:46,708 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] (unsigned long )_argptr == 0UL [2024-01-29 22:58:46,708 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] (0 <= i) && (0 <= j) [2024-01-29 22:58:46,708 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,708 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] 0 <= i [2024-01-29 22:58:46,708 INFO L98 nessWitnessExtractor]: Loop invariant at [L158-L160] (q2 == 0) && (total == 0) [2024-01-29 22:58:46,708 INFO L98 nessWitnessExtractor]: Loop invariant at [L158-L160] q2 == 0 [2024-01-29 22:58:46,708 INFO L98 nessWitnessExtractor]: Loop invariant at [L158-L160] (q2 == 0) && (i == 0) [2024-01-29 22:58:46,709 INFO L98 nessWitnessExtractor]: Loop invariant at [L158-L160] (q2 == 0) && (j == 0) [2024-01-29 22:58:46,709 INFO L98 nessWitnessExtractor]: Loop invariant at [L158-L160] ((q2 == 0) && (total == 0)) && ((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)) [2024-01-29 22:58:46,709 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] (unsigned long )_argptr == 0UL [2024-01-29 22:58:46,709 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= i [2024-01-29 22:58:46,709 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,709 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (0 <= i) && (0 <= j) [2024-01-29 22:58:46,709 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (unsigned long )_argptr == 0UL [2024-01-29 22:58:46,710 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (-2147483647 <= q2_back) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,710 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] -2147483647 <= q2_back [2024-01-29 22:58:46,710 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (-2147483647 <= q2_back) && (0 <= i) [2024-01-29 22:58:46,710 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (-2147483647 <= q2_back) && (0 <= j) [2024-01-29 22:58:46,710 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1 == 0 [2024-01-29 22:58:46,710 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] (q1 == 0) && (q2 == 0) [2024-01-29 22:58:46,710 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] (q1 == 0) && (total == 0) [2024-01-29 22:58:46,710 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] (q1 == 0) && (i == 0) [2024-01-29 22:58:46,711 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] (q1 == 0) && (j == 0) [2024-01-29 22:58:46,711 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] ((q1 == 0) && (q2 == 0)) && (q1_back == 0) [2024-01-29 22:58:46,711 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] (q1 == 0) && (q2 == 0) [2024-01-29 22:58:46,711 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] (((q1 == 0) && (q2 == 0)) && (q1_back == 0)) && (q2_back == 0) [2024-01-29 22:58:46,711 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] (((q1 == 0) && (q2 == 0)) && (q1_back == 0)) && (total == 0) [2024-01-29 22:58:46,711 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] (((q1 == 0) && (q2 == 0)) && (q1_back == 0)) && (q2_front == 0) [2024-01-29 22:58:46,711 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] (((q1 == 0) && (q2 == 0)) && (q1_back == 0)) && (i == 0) [2024-01-29 22:58:46,711 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q1 == 0 [2024-01-29 22:58:46,712 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] (((q1 == 0) && (q2 == 0)) && (q1_back == 0)) && (j == 0) [2024-01-29 22:58:46,712 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] (unsigned long )_argptr == 0UL [2024-01-29 22:58:46,712 INFO L98 nessWitnessExtractor]: Location invariant before [L154-L154] (q2 == 0) && (total == 0) [2024-01-29 22:58:46,712 INFO L98 nessWitnessExtractor]: Location invariant before [L154-L154] q2 == 0 [2024-01-29 22:58:46,713 INFO L98 nessWitnessExtractor]: Location invariant before [L154-L154] (q2 == 0) && (i == 0) [2024-01-29 22:58:46,713 INFO L98 nessWitnessExtractor]: Location invariant before [L154-L154] (q2 == 0) && (j == 0) [2024-01-29 22:58:46,713 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= i [2024-01-29 22:58:46,714 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,714 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] (0 <= i) && (0 <= j) [2024-01-29 22:58:46,715 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (-2147483647 <= q1_front) && (0 <= i) [2024-01-29 22:58:46,715 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] -2147483647 <= q1_front [2024-01-29 22:58:46,715 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] ((-2147483647 <= q1_front) && (0 <= i)) && (0 <= j) [2024-01-29 22:58:46,715 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] ((-2147483647 <= q1_front) && (0 <= i)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,716 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] (0 <= i) && (0 <= j) [2024-01-29 22:58:46,716 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,716 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] 0 <= i [2024-01-29 22:58:46,716 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] (q2 == 0) && (total == 0) [2024-01-29 22:58:46,716 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] q2 == 0 [2024-01-29 22:58:46,716 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] (q2 == 0) && (i == 0) [2024-01-29 22:58:46,716 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] (q2 == 0) && (j == 0) [2024-01-29 22:58:46,716 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] (unsigned long )_argptr == 0UL [2024-01-29 22:58:46,717 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] 0 <= i [2024-01-29 22:58:46,717 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,717 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] (0 <= i) && (0 <= j) [2024-01-29 22:58:46,717 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (-2147483647 <= q1_back) && (1 <= i) [2024-01-29 22:58:46,717 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] ((-2147483647 <= q1_back) && (1 <= i)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,717 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] -2147483647 <= q1_back [2024-01-29 22:58:46,718 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (-2147483647 <= q1_back) && (0 <= j) [2024-01-29 22:58:46,718 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] (0 <= i) && (0 <= j) [2024-01-29 22:58:46,718 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] 0 <= i [2024-01-29 22:58:46,718 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,718 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] ((q1 == 0) && (q1_front == 0)) && (q2_front == 0) [2024-01-29 22:58:46,718 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] (((q1 == 0) && (q1_front == 0)) && (q2_front == 0)) && (n2 == 0) [2024-01-29 22:58:46,718 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] (q1 == 0) && (q1_front == 0) [2024-01-29 22:58:46,719 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] ((q1 == 0) && (q1_front == 0)) && (q1_back == 0) [2024-01-29 22:58:46,719 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] (((q1 == 0) && (q1_front == 0)) && (q2_front == 0)) && (i == 0) [2024-01-29 22:58:46,719 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q1 == 0 [2024-01-29 22:58:46,719 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] (((q1 == 0) && (q1_front == 0)) && (q2_front == 0)) && (q2_back == 0) [2024-01-29 22:58:46,719 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] (((q1 == 0) && (q1_front == 0)) && (q2_front == 0)) && (total == 0) [2024-01-29 22:58:46,719 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] (q1 == 0) && (q2 == 0) [2024-01-29 22:58:46,719 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] (((q1 == 0) && (q1_front == 0)) && (q2_front == 0)) && (j == 0) [2024-01-29 22:58:46,720 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] ((-2147483647 <= C) && (i == 0)) && (j == 0) [2024-01-29 22:58:46,720 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] (-2147483647 <= C) && (i == 0) [2024-01-29 22:58:46,720 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] (((-2147483647 <= C) && (i == 0)) && (j == 0)) && (total == 0) [2024-01-29 22:58:46,720 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] -2147483647 <= C [2024-01-29 22:58:46,720 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] (unsigned long )_argptr == 0UL [2024-01-29 22:58:46,721 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (0 <= i) && (0 <= j) [2024-01-29 22:58:46,721 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,721 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] 0 <= i [2024-01-29 22:58:46,721 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,721 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] 0 <= i [2024-01-29 22:58:46,722 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] (0 <= i) && (0 <= j) [2024-01-29 22:58:46,722 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] 0 <= i [2024-01-29 22:58:46,722 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,722 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (0 <= i) && (0 <= j) [2024-01-29 22:58:46,722 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 0 <= i [2024-01-29 22:58:46,722 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (0 <= i) && (0 <= j) [2024-01-29 22:58:46,722 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,722 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] (q2 == 0) && (i == 0) [2024-01-29 22:58:46,723 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] ((q2 == 0) && (i == 0)) && (total == 0) [2024-01-29 22:58:46,723 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] q2 == 0 [2024-01-29 22:58:46,723 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] ((q2 == 0) && (i == 0)) && (j == 0) [2024-01-29 22:58:46,723 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] ((q1 == 0) && (q2 == 0)) && (q2_front == 0) [2024-01-29 22:58:46,723 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] (q1 == 0) && (q2 == 0) [2024-01-29 22:58:46,724 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] (((q1 == 0) && (q2 == 0)) && (q2_front == 0)) && (i == 0) [2024-01-29 22:58:46,724 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q1 == 0 [2024-01-29 22:58:46,724 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] (((q1 == 0) && (q2 == 0)) && (q2_front == 0)) && (q2_back == 0) [2024-01-29 22:58:46,724 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] (((q1 == 0) && (q2 == 0)) && (q2_front == 0)) && (j == 0) [2024-01-29 22:58:46,724 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] (((q1 == 0) && (q2 == 0)) && (q2_front == 0)) && (total == 0) [2024-01-29 22:58:46,724 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,725 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] 0 <= i [2024-01-29 22:58:46,725 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] (0 <= i) && (0 <= j) [2024-01-29 22:58:46,725 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] 0 <= i [2024-01-29 22:58:46,725 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] (0 <= i) && (0 <= j) [2024-01-29 22:58:46,725 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,725 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] ((q1 == 0) && (q1_front == 0)) && (q2_front == 0) [2024-01-29 22:58:46,726 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] (((q1 == 0) && (q1_front == 0)) && (q2_front == 0)) && (q2_back == 0) [2024-01-29 22:58:46,726 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] (((q1 == 0) && (q1_front == 0)) && (q2_front == 0)) && (j == 0) [2024-01-29 22:58:46,727 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] (((q1 == 0) && (q1_front == 0)) && (q2_front == 0)) && (n1 == 0) [2024-01-29 22:58:46,728 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] (q1 == 0) && (q1_front == 0) [2024-01-29 22:58:46,729 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] (((q1 == 0) && (q1_front == 0)) && (q2_front == 0)) && (total == 0) [2024-01-29 22:58:46,729 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] (((q1 == 0) && (q1_front == 0)) && (q2_front == 0)) && (n2 == 0) [2024-01-29 22:58:46,729 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] (((q1 == 0) && (q1_front == 0)) && (q2_front == 0)) && (N == 0) [2024-01-29 22:58:46,734 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] ((q1 == 0) && (q1_front == 0)) && (q1_back == 0) [2024-01-29 22:58:46,734 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] (((q1 == 0) && (q1_front == 0)) && (q2_front == 0)) && (i == 0) [2024-01-29 22:58:46,734 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] q1 == 0 [2024-01-29 22:58:46,734 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] (q1 == 0) && (q2 == 0) [2024-01-29 22:58:46,734 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] ((q1 == 0) && (i == 0)) && (j == 0) [2024-01-29 22:58:46,734 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] (q1 == 0) && (i == 0) [2024-01-29 22:58:46,734 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] (((q1 == 0) && (i == 0)) && (j == 0)) && (total == 0) [2024-01-29 22:58:46,734 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1 == 0 [2024-01-29 22:58:46,735 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] (q1 == 0) && (q1_front == 0) [2024-01-29 22:58:46,735 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] (q1 == 0) && (q1_back == 0) [2024-01-29 22:58:46,735 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] (q1 == 0) && (q2_front == 0) [2024-01-29 22:58:46,735 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] (q1 == 0) && (q2 == 0) [2024-01-29 22:58:46,735 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] (q1 == 0) && (q2_back == 0) [2024-01-29 22:58:46,735 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] 0 <= q2_back [2024-01-29 22:58:46,735 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (0 <= q2_back) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,735 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (0 <= q2_back) && (0 <= i) [2024-01-29 22:58:46,735 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (0 <= q2_back) && (0 <= j) [2024-01-29 22:58:46,736 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (unsigned long )_argptr == 0UL [2024-01-29 22:58:46,736 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= i [2024-01-29 22:58:46,736 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (0 <= i) && (0 <= j) [2024-01-29 22:58:46,736 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,736 INFO L98 nessWitnessExtractor]: Loop invariant at [L70-L80] (unsigned long )_argptr == 0UL [2024-01-29 22:58:46,736 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] (-2147483647 <= q1_back) && (0 <= i) [2024-01-29 22:58:46,736 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] -2147483647 <= q1_back [2024-01-29 22:58:46,736 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] ((-2147483647 <= q1_back) && (0 <= i)) && (q1_front <= 2147483646) [2024-01-29 22:58:46,737 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] ((-2147483647 <= q1_back) && (0 <= i)) && (0 <= j) [2024-01-29 22:58:46,737 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] ((-2147483647 <= q1_back) && (0 <= i)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,737 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (unsigned long )_argptr == 0UL [2024-01-29 22:58:46,738 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] i == 0 [2024-01-29 22:58:46,738 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] (i == 0) && (j == 0) [2024-01-29 22:58:46,738 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] (i == 0) && (total == 0) [2024-01-29 22:58:46,738 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] (q1 == 0) && (q2 == 0) [2024-01-29 22:58:46,738 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] ((q1 == 0) && (q2 == 0)) && (q2_back == 0) [2024-01-29 22:58:46,738 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] ((q1 == 0) && (q2 == 0)) && (i == 0) [2024-01-29 22:58:46,738 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] ((q1 == 0) && (q2 == 0)) && (j == 0) [2024-01-29 22:58:46,738 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] ((q1 == 0) && (q2 == 0)) && (total == 0) [2024-01-29 22:58:46,738 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] ((q1 == 0) && (q2 == 0)) && (q1_back == 0) [2024-01-29 22:58:46,739 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] ((q1 == 0) && (q2 == 0)) && (C == 0) [2024-01-29 22:58:46,739 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q1 == 0 [2024-01-29 22:58:46,739 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] ((q1 == 0) && (q2 == 0)) && (n1 == 0) [2024-01-29 22:58:46,739 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] ((q1 == 0) && (q2 == 0)) && (q1_front == 0) [2024-01-29 22:58:46,739 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] ((q1 == 0) && (q2 == 0)) && (q2_front == 0) [2024-01-29 22:58:46,739 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] ((q1 == 0) && (q2 == 0)) && (N == 0) [2024-01-29 22:58:46,739 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] ((q1 == 0) && (q2 == 0)) && (n2 == 0) [2024-01-29 22:58:46,739 INFO L98 nessWitnessExtractor]: Location invariant before [L105-L105] (0 <= i) && (0 <= j) [2024-01-29 22:58:46,739 INFO L98 nessWitnessExtractor]: Location invariant before [L105-L105] 0 <= i [2024-01-29 22:58:46,740 INFO L98 nessWitnessExtractor]: Location invariant before [L105-L105] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,740 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] (unsigned long )_argptr == 0UL [2024-01-29 22:58:46,740 INFO L98 nessWitnessExtractor]: Loop invariant at [L89-L98] (unsigned long )_argptr == 0UL [2024-01-29 22:58:46,740 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] (q2 == 0) && (total == 0) [2024-01-29 22:58:46,740 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] q2 == 0 [2024-01-29 22:58:46,740 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] ((q2 == 0) && (total == 0)) && ((((((((((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)) [2024-01-29 22:58:46,740 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] (q2 == 0) && (i == 0) [2024-01-29 22:58:46,740 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] (q2 == 0) && (j == 0) [2024-01-29 22:58:46,741 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] ((q2 == 0) && (total == 0)) && (size != 0) [2024-01-29 22:58:46,741 INFO L98 nessWitnessExtractor]: Location invariant before [L155-L155] q2 == 0 [2024-01-29 22:58:46,741 INFO L98 nessWitnessExtractor]: Location invariant before [L155-L155] (q2 == 0) && (j == 0) [2024-01-29 22:58:46,741 INFO L98 nessWitnessExtractor]: Location invariant before [L155-L155] (q2 == 0) && (total == 0) [2024-01-29 22:58:46,741 INFO L98 nessWitnessExtractor]: Location invariant before [L155-L155] (q2 == 0) && (i == 0) [2024-01-29 22:58:46,741 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] -2147483647 <= q2_back [2024-01-29 22:58:46,741 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (-2147483647 <= q2_back) && (0 <= i) [2024-01-29 22:58:46,741 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (-2147483647 <= q2_back) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,741 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (-2147483647 <= q2_back) && (1 <= j) [2024-01-29 22:58:46,742 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] 0 <= i [2024-01-29 22:58:46,742 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] (0 <= i) && (0 <= j) [2024-01-29 22:58:46,742 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,742 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] (0 <= i) && (0 <= j) [2024-01-29 22:58:46,742 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] 0 <= i [2024-01-29 22:58:46,742 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] ((0 <= i) && (0 <= j)) && (b <= -1) [2024-01-29 22:58:46,743 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] ((0 <= i) && (0 <= j)) && (b != 0) [2024-01-29 22:58:46,744 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] ((0 <= i) && (q2 == 0)) && (i == 0) [2024-01-29 22:58:46,744 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] (0 <= i) && (q2 == 0) [2024-01-29 22:58:46,744 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] (((0 <= i) && (q2 == 0)) && (i == 0)) && (total == 0) [2024-01-29 22:58:46,744 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] 0 <= i [2024-01-29 22:58:46,744 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] (((0 <= i) && (q2 == 0)) && (i == 0)) && (j == 0) [2024-01-29 22:58:46,744 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,744 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] 0 <= i [2024-01-29 22:58:46,744 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] (0 <= i) && (0 <= j) [2024-01-29 22:58:46,745 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-29 22:58:46,745 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] -2147483647 <= q1_back [2024-01-29 22:58:46,745 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (-2147483647 <= q1_back) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:46,745 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (-2147483647 <= q1_back) && (0 <= j) [2024-01-29 22:58:46,745 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (-2147483647 <= q1_back) && (0 <= i) [2024-01-29 22:58:46,771 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 22:58:46,914 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c[4151,4164] [2024-01-29 22:58:46,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 22:58:46,938 INFO L202 MainTranslator]: Completed pre-run [2024-01-29 22:58:46,950 WARN L424 MainDispatcher]: Unable to annotate extern int pthread_create (pthread_t *__restrict __newthread, const pthread_attr_t *__restrict __attr, void *(*__start_routine) (void *), void *__restrict __arg) __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1, 3))); with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-29 22:58:47,114 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c[4151,4164] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-29 22:58:47,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 22:58:47,142 INFO L206 MainTranslator]: Completed translation [2024-01-29 22:58:47,142 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:47 WrapperNode [2024-01-29 22:58:47,142 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 22:58:47,143 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 22:58:47,143 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 22:58:47,143 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 22:58:47,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:47" (1/1) ... [2024-01-29 22:58:47,162 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:47" (1/1) ... [2024-01-29 22:58:47,199 INFO L138 Inliner]: procedures = 27, calls = 76, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 632 [2024-01-29 22:58:47,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 22:58:47,203 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 22:58:47,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 22:58:47,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 22:58:47,228 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:47" (1/1) ... [2024-01-29 22:58:47,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:47" (1/1) ... [2024-01-29 22:58:47,233 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:47" (1/1) ... [2024-01-29 22:58:47,268 INFO L175 MemorySlicer]: Split 16 memory accesses to 6 slices as follows [2, 2, 6, 2, 2, 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, 2, 1, 1, 1]. [2024-01-29 22:58:47,269 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:47" (1/1) ... [2024-01-29 22:58:47,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:47" (1/1) ... [2024-01-29 22:58:47,288 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:47" (1/1) ... [2024-01-29 22:58:47,292 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:47" (1/1) ... [2024-01-29 22:58:47,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:47" (1/1) ... [2024-01-29 22:58:47,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:47" (1/1) ... [2024-01-29 22:58:47,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 22:58:47,304 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 22:58:47,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 22:58:47,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 22:58:47,305 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:47" (1/1) ... [2024-01-29 22:58:47,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 22:58:47,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 22:58:47,362 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) [2024-01-29 22:58:47,369 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 [2024-01-29 22:58:47,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 22:58:47,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 22:58:47,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 22:58:47,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 22:58:47,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 22:58:47,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-29 22:58:47,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-29 22:58:47,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-01-29 22:58:47,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 22:58:47,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 22:58:47,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 22:58:47,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-29 22:58:47,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-29 22:58:47,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-01-29 22:58:47,404 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-29 22:58:47,404 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-29 22:58:47,404 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-29 22:58:47,405 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-29 22:58:47,405 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-29 22:58:47,405 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-29 22:58:47,405 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-29 22:58:47,405 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-29 22:58:47,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 22:58:47,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 22:58:47,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 22:58:47,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-29 22:58:47,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-29 22:58:47,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-01-29 22:58:47,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-29 22:58:47,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-29 22:58:47,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-29 22:58:47,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 22:58:47,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 22:58:47,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 22:58:47,422 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-29 22:58:47,537 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 22:58:47,539 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 22:58:48,349 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 22:58:48,349 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 22:58:49,032 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 22:58:49,032 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-01-29 22:58:49,033 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:58:49 BoogieIcfgContainer [2024-01-29 22:58:49,033 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 22:58:49,034 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 22:58:49,034 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 22:58:49,036 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 22:58:49,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 10:58:46" (1/4) ... [2024-01-29 22:58:49,037 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c020865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:58:49, skipping insertion in model container [2024-01-29 22:58:49,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:58:46" (2/4) ... [2024-01-29 22:58:49,037 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c020865 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 10:58:49, skipping insertion in model container [2024-01-29 22:58:49,038 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:47" (3/4) ... [2024-01-29 22:58:49,038 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c020865 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 10:58:49, skipping insertion in model container [2024-01-29 22:58:49,038 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:58:49" (4/4) ... [2024-01-29 22:58:49,039 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult2.wvr.c [2024-01-29 22:58:49,052 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 22:58:49,052 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 317 error locations. [2024-01-29 22:58:49,052 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 22:58:49,197 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-29 22:58:49,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 556 places, 549 transitions, 1126 flow [2024-01-29 22:58:49,360 INFO L124 PetriNetUnfolderBase]: 6/545 cut-off events. [2024-01-29 22:58:49,360 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-29 22:58:49,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 562 conditions, 545 events. 6/545 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1766 event pairs, 0 based on Foata normal form. 0/222 useless extension candidates. Maximal degree in co-relation 484. Up to 2 conditions per place. [2024-01-29 22:58:49,366 INFO L82 GeneralOperation]: Start removeDead. Operand has 556 places, 549 transitions, 1126 flow [2024-01-29 22:58:49,376 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 551 places, 544 transitions, 1112 flow [2024-01-29 22:58:49,382 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 22:58:49,386 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;@40cb4dfa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 22:58:49,386 INFO L358 AbstractCegarLoop]: Starting to check reachability of 479 error locations. [2024-01-29 22:58:49,388 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 22:58:49,388 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 22:58:49,388 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 22:58:49,388 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:58:49,389 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 22:58:49,389 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 476 more)] === [2024-01-29 22:58:49,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:58:49,417 INFO L85 PathProgramCache]: Analyzing trace with hash 82392, now seen corresponding path program 1 times [2024-01-29 22:58:49,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:58:49,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326173526] [2024-01-29 22:58:49,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:58:49,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:58:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:58:49,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:58:49,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:58:49,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326173526] [2024-01-29 22:58:49,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326173526] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:58:49,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:58:49,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 22:58:49,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19529749] [2024-01-29 22:58:49,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:58:49,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 22:58:49,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:58:49,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 22:58:49,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 22:58:50,212 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 549 [2024-01-29 22:58:50,217 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 544 transitions, 1112 flow. Second operand has 3 states, 3 states have (on average 319.6666666666667) internal successors, (959), 3 states have internal predecessors, (959), 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) [2024-01-29 22:58:50,217 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:58:50,217 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 549 [2024-01-29 22:58:50,218 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:59:17,041 INFO L124 PetriNetUnfolderBase]: 138099/196280 cut-off events. [2024-01-29 22:59:17,041 INFO L125 PetriNetUnfolderBase]: For 3264/3264 co-relation queries the response was YES. [2024-01-29 22:59:17,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 384752 conditions, 196280 events. 138099/196280 cut-off events. For 3264/3264 co-relation queries the response was YES. Maximal size of possible extension queue 13498. Compared 1828127 event pairs, 138087 based on Foata normal form. 7/95031 useless extension candidates. Maximal degree in co-relation 352494. Up to 183030 conditions per place. [2024-01-29 22:59:18,807 INFO L140 encePairwiseOnDemand]: 441/549 looper letters, 107 selfloop transitions, 2 changer transitions 0/416 dead transitions. [2024-01-29 22:59:18,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 416 transitions, 1074 flow [2024-01-29 22:59:18,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 22:59:18,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 22:59:18,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1172 transitions. [2024-01-29 22:59:18,821 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7115968427443837 [2024-01-29 22:59:18,823 INFO L175 Difference]: Start difference. First operand has 551 places, 544 transitions, 1112 flow. Second operand 3 states and 1172 transitions. [2024-01-29 22:59:18,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 416 transitions, 1074 flow