./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 ab2e0ac4 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-ab2e0ac-m [2024-01-29 14:39:46,386 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 14:39:46,449 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 14:39:46,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 14:39:46,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 14:39:46,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 14:39:46,482 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 14:39:46,483 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 14:39:46,483 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 14:39:46,484 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 14:39:46,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 14:39:46,484 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 14:39:46,485 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 14:39:46,485 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 14:39:46,486 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 14:39:46,486 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 14:39:46,486 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 14:39:46,487 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 14:39:46,487 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 14:39:46,487 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 14:39:46,488 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 14:39:46,488 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 14:39:46,489 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 14:39:46,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 14:39:46,489 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 14:39:46,490 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 14:39:46,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 14:39:46,490 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 14:39:46,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 14:39:46,491 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 14:39:46,491 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 14:39:46,492 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 14:39:46,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:39:46,492 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 14:39:46,493 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 14:39:46,493 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 14:39:46,493 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 14:39:46,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 14:39:46,494 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 14:39:46,494 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 14:39:46,495 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 14:39:46,500 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 14:39:46,501 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 14:39:46,501 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 14:39:46,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 14:39:46,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 14:39:46,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 14:39:46,791 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 14:39:46,791 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 14:39:46,792 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2024-01-29 14:39:47,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 14:39:48,192 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 14:39:48,193 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2024-01-29 14:39:48,200 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/026f663fc/31fb9ed1fd7045b3af8e48881de71998/FLAGf4e2a4e09 [2024-01-29 14:39:48,212 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/026f663fc/31fb9ed1fd7045b3af8e48881de71998 [2024-01-29 14:39:48,214 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 14:39:48,215 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 14:39:48,215 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-more-buffer-mult.wvr.yml/witness.yml [2024-01-29 14:39:48,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 14:39:48,424 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 14:39:48,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 14:39:48,426 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 14:39:48,430 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 14:39:48,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:39:48" (1/2) ... [2024-01-29 14:39:48,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413ab40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:48, skipping insertion in model container [2024-01-29 14:39:48,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:39:48" (1/2) ... [2024-01-29 14:39:48,436 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6010906e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:48, skipping insertion in model container [2024-01-29 14:39:48,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:39:48" (2/2) ... [2024-01-29 14:39:48,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413ab40 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:48, skipping insertion in model container [2024-01-29 14:39:48,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:39:48" (2/2) ... [2024-01-29 14:39:48,437 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 14:39:48,528 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 14:39:48,529 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,529 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] 0 <= j [2024-01-29 14:39:48,529 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,529 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] 0 <= i [2024-01-29 14:39:48,530 INFO L98 nessWitnessExtractor]: Location invariant before [L169-L169] 0 <= i [2024-01-29 14:39:48,530 INFO L98 nessWitnessExtractor]: Location invariant before [L169-L169] 0 <= j [2024-01-29 14:39:48,530 INFO L98 nessWitnessExtractor]: Location invariant before [L169-L169] b <= -1 [2024-01-29 14:39:48,530 INFO L98 nessWitnessExtractor]: Location invariant before [L169-L169] b != 0 [2024-01-29 14:39:48,530 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] i == 0 [2024-01-29 14:39:48,530 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] -2147483647 <= C [2024-01-29 14:39:48,531 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] total == 0 [2024-01-29 14:39:48,531 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] j == 0 [2024-01-29 14:39:48,531 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,531 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,531 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= j [2024-01-29 14:39:48,532 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= i [2024-01-29 14:39:48,532 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] N == 0 [2024-01-29 14:39:48,532 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] j == 0 [2024-01-29 14:39:48,532 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q2_front == 0 [2024-01-29 14:39:48,532 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q2_back == 0 [2024-01-29 14:39:48,532 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] n2 == 0 [2024-01-29 14:39:48,533 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q2 == 0 [2024-01-29 14:39:48,533 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q1_front == 0 [2024-01-29 14:39:48,533 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q1_back == 0 [2024-01-29 14:39:48,533 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] i == 0 [2024-01-29 14:39:48,534 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] total == 0 [2024-01-29 14:39:48,534 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q1 == 0 [2024-01-29 14:39:48,534 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] n1 == 0 [2024-01-29 14:39:48,534 INFO L98 nessWitnessExtractor]: Location invariant before [L142-L142] total == 0 [2024-01-29 14:39:48,535 INFO L98 nessWitnessExtractor]: Location invariant before [L142-L142] i == 0 [2024-01-29 14:39:48,535 INFO L98 nessWitnessExtractor]: Location invariant before [L142-L142] j == 0 [2024-01-29 14:39:48,535 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q1_back == 0 [2024-01-29 14:39:48,535 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2_front == 0 [2024-01-29 14:39:48,535 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] j == 0 [2024-01-29 14:39:48,535 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2_back == 0 [2024-01-29 14:39:48,535 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] total == 0 [2024-01-29 14:39:48,536 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] i == 0 [2024-01-29 14:39:48,536 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q1 == 0 [2024-01-29 14:39:48,538 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2 == 0 [2024-01-29 14:39:48,538 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] 0 <= i [2024-01-29 14:39:48,538 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] 0 <= j [2024-01-29 14:39:48,538 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,538 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] -2147483647 <= q2_front [2024-01-29 14:39:48,538 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] 0 <= j [2024-01-29 14:39:48,539 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,539 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] 0 <= i [2024-01-29 14:39:48,539 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,539 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= i [2024-01-29 14:39:48,539 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= j [2024-01-29 14:39:48,540 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,540 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,540 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,541 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] 0 <= i [2024-01-29 14:39:48,541 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] 0 <= j [2024-01-29 14:39:48,541 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,542 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] 0 <= i [2024-01-29 14:39:48,542 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] 0 <= j [2024-01-29 14:39:48,543 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,543 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] -2147483647 <= q2_back [2024-01-29 14:39:48,543 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] 0 <= j [2024-01-29 14:39:48,543 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] q2_front <= 2147483646 [2024-01-29 14:39:48,543 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] 0 <= i [2024-01-29 14:39:48,543 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,544 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] 0 <= j [2024-01-29 14:39:48,544 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,544 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] 0 <= q2_back [2024-01-29 14:39:48,544 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] 0 <= i [2024-01-29 14:39:48,544 INFO L98 nessWitnessExtractor]: Location invariant before [L119-L119] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,544 INFO L98 nessWitnessExtractor]: Location invariant before [L119-L119] 0 <= i [2024-01-29 14:39:48,545 INFO L98 nessWitnessExtractor]: Location invariant before [L119-L119] 0 <= j [2024-01-29 14:39:48,545 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,545 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] 0 <= j [2024-01-29 14:39:48,545 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] 0 <= i [2024-01-29 14:39:48,545 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] 0 <= j [2024-01-29 14:39:48,545 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,546 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] 0 <= i [2024-01-29 14:39:48,546 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,546 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2_back == 0 [2024-01-29 14:39:48,547 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2 == 0 [2024-01-29 14:39:48,547 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2_front == 0 [2024-01-29 14:39:48,547 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1 == 0 [2024-01-29 14:39:48,547 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1_back == 0 [2024-01-29 14:39:48,547 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] i == 0 [2024-01-29 14:39:48,547 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1_front == 0 [2024-01-29 14:39:48,548 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] j == 0 [2024-01-29 14:39:48,548 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] total == 0 [2024-01-29 14:39:48,548 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,548 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,548 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] 0 <= i [2024-01-29 14:39:48,548 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] j == 0 [2024-01-29 14:39:48,549 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] i == 0 [2024-01-29 14:39:48,549 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] q2 == 0 [2024-01-29 14:39:48,549 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] total == 0 [2024-01-29 14:39:48,549 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,549 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= j [2024-01-29 14:39:48,549 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] -2147483647 <= q1_back [2024-01-29 14:39:48,550 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,550 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= i [2024-01-29 14:39:48,550 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] q2 == 0 [2024-01-29 14:39:48,550 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] i == 0 [2024-01-29 14:39:48,550 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] total == 0 [2024-01-29 14:39:48,550 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] q1 == 0 [2024-01-29 14:39:48,550 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] j == 0 [2024-01-29 14:39:48,551 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] q2 == 0 [2024-01-29 14:39:48,551 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] i == 0 [2024-01-29 14:39:48,551 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] j == 0 [2024-01-29 14:39:48,552 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] total == 0 [2024-01-29 14:39:48,553 INFO L98 nessWitnessExtractor]: Location invariant before [L171-L171] 0 <= i [2024-01-29 14:39:48,553 INFO L98 nessWitnessExtractor]: Location invariant before [L171-L171] 0 <= j [2024-01-29 14:39:48,554 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] 0 <= j [2024-01-29 14:39:48,554 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,554 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] 0 <= i [2024-01-29 14:39:48,554 INFO L98 nessWitnessExtractor]: Location invariant before [L158-L158] total == 0 [2024-01-29 14:39:48,554 INFO L98 nessWitnessExtractor]: Location invariant before [L158-L158] q2 == 0 [2024-01-29 14:39:48,555 INFO L98 nessWitnessExtractor]: Location invariant before [L158-L158] i == 0 [2024-01-29 14:39:48,555 INFO L98 nessWitnessExtractor]: Location invariant before [L158-L158] j == 0 [2024-01-29 14:39:48,555 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] 0 <= i [2024-01-29 14:39:48,555 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] 0 <= j [2024-01-29 14:39:48,556 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,556 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= i [2024-01-29 14:39:48,556 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,556 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= q1_back [2024-01-29 14:39:48,556 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= j [2024-01-29 14:39:48,557 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) [2024-01-29 14:39:48,557 INFO L98 nessWitnessExtractor]: Loop invariant at [L162-L164] i == 0 [2024-01-29 14:39:48,557 INFO L98 nessWitnessExtractor]: Loop invariant at [L162-L164] total == 0 [2024-01-29 14:39:48,557 INFO L98 nessWitnessExtractor]: Loop invariant at [L162-L164] j == 0 [2024-01-29 14:39:48,557 INFO L98 nessWitnessExtractor]: Loop invariant at [L162-L164] q2 == 0 [2024-01-29 14:39:48,557 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,558 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] 0 <= j [2024-01-29 14:39:48,558 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,558 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] 0 <= i [2024-01-29 14:39:48,558 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,558 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= i [2024-01-29 14:39:48,558 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= j [2024-01-29 14:39:48,559 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,559 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,559 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] C == 0 [2024-01-29 14:39:48,559 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] n2 == 0 [2024-01-29 14:39:48,559 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1_front == 0 [2024-01-29 14:39:48,559 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1_back == 0 [2024-01-29 14:39:48,560 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] j == 0 [2024-01-29 14:39:48,560 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2_back == 0 [2024-01-29 14:39:48,560 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] total == 0 [2024-01-29 14:39:48,560 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2 == 0 [2024-01-29 14:39:48,561 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] N == 0 [2024-01-29 14:39:48,561 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2_front == 0 [2024-01-29 14:39:48,562 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] i == 0 [2024-01-29 14:39:48,562 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1 == 0 [2024-01-29 14:39:48,562 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] n1 == 0 [2024-01-29 14:39:48,562 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= j [2024-01-29 14:39:48,562 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= i [2024-01-29 14:39:48,562 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,563 INFO L98 nessWitnessExtractor]: Loop invariant at [L51-L63] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,563 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,563 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] 0 <= i [2024-01-29 14:39:48,563 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] 0 <= j [2024-01-29 14:39:48,563 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,566 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2_back == 0 [2024-01-29 14:39:48,566 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] i == 0 [2024-01-29 14:39:48,567 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] j == 0 [2024-01-29 14:39:48,567 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] total == 0 [2024-01-29 14:39:48,567 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1 == 0 [2024-01-29 14:39:48,567 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1_front == 0 [2024-01-29 14:39:48,567 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] n2 == 0 [2024-01-29 14:39:48,568 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1_back == 0 [2024-01-29 14:39:48,568 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2 == 0 [2024-01-29 14:39:48,568 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2_front == 0 [2024-01-29 14:39:48,568 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= i [2024-01-29 14:39:48,569 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] -2147483647 <= q2_back [2024-01-29 14:39:48,569 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= j [2024-01-29 14:39:48,569 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,569 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,569 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 1 <= i [2024-01-29 14:39:48,570 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= j [2024-01-29 14:39:48,570 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,570 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] 0 <= j [2024-01-29 14:39:48,570 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] 0 <= i [2024-01-29 14:39:48,571 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] 0 <= i [2024-01-29 14:39:48,571 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,572 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] 0 <= j [2024-01-29 14:39:48,574 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] 0 <= j [2024-01-29 14:39:48,575 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] 0 <= i [2024-01-29 14:39:48,575 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,575 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q1 == 0 [2024-01-29 14:39:48,579 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] n1 == 0 [2024-01-29 14:39:48,579 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q1_back == 0 [2024-01-29 14:39:48,579 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q1_front == 0 [2024-01-29 14:39:48,579 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] total == 0 [2024-01-29 14:39:48,580 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] j == 0 [2024-01-29 14:39:48,580 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q2_front == 0 [2024-01-29 14:39:48,580 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q2 == 0 [2024-01-29 14:39:48,580 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] i == 0 [2024-01-29 14:39:48,580 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] n2 == 0 [2024-01-29 14:39:48,580 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q2_back == 0 [2024-01-29 14:39:48,581 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,581 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,581 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,581 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] 0 <= j [2024-01-29 14:39:48,581 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] 0 <= i [2024-01-29 14:39:48,581 INFO L98 nessWitnessExtractor]: Loop invariant at [L111-L120] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,581 INFO L98 nessWitnessExtractor]: Loop invariant at [L72-L84] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,581 INFO L98 nessWitnessExtractor]: Location invariant before [L118-L118] 0 <= j [2024-01-29 14:39:48,582 INFO L98 nessWitnessExtractor]: Location invariant before [L118-L118] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,582 INFO L98 nessWitnessExtractor]: Location invariant before [L118-L118] 0 <= i [2024-01-29 14:39:48,582 INFO L98 nessWitnessExtractor]: Location invariant before [L170-L170] 0 <= i [2024-01-29 14:39:48,583 INFO L98 nessWitnessExtractor]: Location invariant before [L170-L170] b != 0 [2024-01-29 14:39:48,583 INFO L98 nessWitnessExtractor]: Location invariant before [L170-L170] 0 <= j [2024-01-29 14:39:48,583 INFO L98 nessWitnessExtractor]: Location invariant before [L170-L170] 1 <= b [2024-01-29 14:39:48,583 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,583 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] i == 0 [2024-01-29 14:39:48,584 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] q2 == 0 [2024-01-29 14:39:48,584 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] j == 0 [2024-01-29 14:39:48,584 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] total == 0 [2024-01-29 14:39:48,585 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q2_back == 0 [2024-01-29 14:39:48,585 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] j == 0 [2024-01-29 14:39:48,585 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q1 == 0 [2024-01-29 14:39:48,585 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] i == 0 [2024-01-29 14:39:48,585 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q2 == 0 [2024-01-29 14:39:48,585 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] total == 0 [2024-01-29 14:39:48,585 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] total == 0 [2024-01-29 14:39:48,586 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] i == 0 [2024-01-29 14:39:48,586 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] q2 == 0 [2024-01-29 14:39:48,586 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] j == 0 [2024-01-29 14:39:48,586 INFO L98 nessWitnessExtractor]: Loop invariant at [L93-L102] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,586 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] 1 <= j [2024-01-29 14:39:48,586 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] 0 <= i [2024-01-29 14:39:48,586 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,586 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] 0 <= j [2024-01-29 14:39:48,587 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,587 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] 0 <= i [2024-01-29 14:39:48,588 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] i == 0 [2024-01-29 14:39:48,588 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) [2024-01-29 14:39:48,588 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] size != 0 [2024-01-29 14:39:48,588 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] j == 0 [2024-01-29 14:39:48,588 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] q2 == 0 [2024-01-29 14:39:48,588 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] total == 0 [2024-01-29 14:39:48,588 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,588 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] 0 <= i [2024-01-29 14:39:48,589 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,589 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] 0 <= j [2024-01-29 14:39:48,589 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= i [2024-01-29 14:39:48,589 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] q1_front <= 2147483646 [2024-01-29 14:39:48,589 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= j [2024-01-29 14:39:48,589 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] -2147483647 <= q1_back [2024-01-29 14:39:48,589 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,590 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] total == 0 [2024-01-29 14:39:48,590 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] q2 == 0 [2024-01-29 14:39:48,590 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] i == 0 [2024-01-29 14:39:48,590 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] j == 0 [2024-01-29 14:39:48,590 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= i [2024-01-29 14:39:48,590 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,590 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= j [2024-01-29 14:39:48,590 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] -2147483647 <= q1_front [2024-01-29 14:39:48,591 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] 0 <= i [2024-01-29 14:39:48,593 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,593 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] 0 <= j [2024-01-29 14:39:48,593 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] total == 0 [2024-01-29 14:39:48,593 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q2_front == 0 [2024-01-29 14:39:48,594 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] i == 0 [2024-01-29 14:39:48,594 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] j == 0 [2024-01-29 14:39:48,594 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q2_back == 0 [2024-01-29 14:39:48,594 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q2 == 0 [2024-01-29 14:39:48,594 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q1 == 0 [2024-01-29 14:39:48,595 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] 0 <= j [2024-01-29 14:39:48,595 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] 0 <= i [2024-01-29 14:39:48,595 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,596 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= j [2024-01-29 14:39:48,596 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,596 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= i [2024-01-29 14:39:48,596 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,596 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] 0 <= j [2024-01-29 14:39:48,596 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] 0 <= i [2024-01-29 14:39:48,597 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-29 14:39:48,628 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 14:39:48,853 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] [2024-01-29 14:39:48,862 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:39:48,871 INFO L202 MainTranslator]: Completed pre-run [2024-01-29 14:39:48,879 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 [2024-01-29 14:39:49,015 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 [2024-01-29 14:39:49,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:39:49,078 INFO L206 MainTranslator]: Completed translation [2024-01-29 14:39:49,079 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:49 WrapperNode [2024-01-29 14:39:49,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 14:39:49,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 14:39:49,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 14:39:49,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 14:39:49,088 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 02:39:49" (1/1) ... [2024-01-29 14:39:49,112 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 02:39:49" (1/1) ... [2024-01-29 14:39:49,182 INFO L138 Inliner]: procedures = 27, calls = 80, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 642 [2024-01-29 14:39:49,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 14:39:49,192 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 14:39:49,192 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 14:39:49,192 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 14:39:49,202 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 02:39:49" (1/1) ... [2024-01-29 14:39:49,202 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 02:39:49" (1/1) ... [2024-01-29 14:39:49,218 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 02:39:49" (1/1) ... [2024-01-29 14:39:49,255 INFO L175 MemorySlicer]: Split 16 memory accesses to 6 slices as follows [2, 2, 2, 2, 6, 2]. 38 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 6 writes are split as follows [0, 1, 1, 1, 2, 1]. [2024-01-29 14:39:49,257 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 02:39:49" (1/1) ... [2024-01-29 14:39:49,257 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 02:39:49" (1/1) ... [2024-01-29 14:39:49,273 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 02:39:49" (1/1) ... [2024-01-29 14:39:49,298 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 02:39:49" (1/1) ... [2024-01-29 14:39:49,301 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 02:39:49" (1/1) ... [2024-01-29 14:39:49,304 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 02:39:49" (1/1) ... [2024-01-29 14:39:49,315 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 14:39:49,319 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 14:39:49,319 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 14:39:49,319 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 14:39:49,320 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 02:39:49" (1/1) ... [2024-01-29 14:39:49,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:39:49,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 14:39:49,353 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 14:39:49,376 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 14:39:49,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 14:39:49,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 14:39:49,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 14:39:49,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 14:39:49,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 14:39:49,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-29 14:39:49,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-29 14:39:49,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-01-29 14:39:49,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 14:39:49,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 14:39:49,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 14:39:49,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-29 14:39:49,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-29 14:39:49,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-01-29 14:39:49,401 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-29 14:39:49,401 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-29 14:39:49,401 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-29 14:39:49,402 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-29 14:39:49,402 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-29 14:39:49,402 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-29 14:39:49,402 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-29 14:39:49,402 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-29 14:39:49,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 14:39:49,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 14:39:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 14:39:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-29 14:39:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-29 14:39:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-01-29 14:39:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-29 14:39:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-29 14:39:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-29 14:39:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 14:39:49,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 14:39:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 14:39:49,406 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 14:39:49,519 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 14:39:49,521 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 14:39:50,447 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 14:39:50,448 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 14:39:51,366 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 14:39:51,367 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-01-29 14:39:51,368 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:39:51 BoogieIcfgContainer [2024-01-29 14:39:51,368 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 14:39:51,370 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 14:39:51,371 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 14:39:51,373 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 14:39:51,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 02:39:48" (1/4) ... [2024-01-29 14:39:51,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ddbd8c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:39:51, skipping insertion in model container [2024-01-29 14:39:51,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:39:48" (2/4) ... [2024-01-29 14:39:51,376 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ddbd8c7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:39:51, skipping insertion in model container [2024-01-29 14:39:51,376 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 02:39:49" (3/4) ... [2024-01-29 14:39:51,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ddbd8c7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:39:51, skipping insertion in model container [2024-01-29 14:39:51,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:39:51" (4/4) ... [2024-01-29 14:39:51,379 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult.wvr.c [2024-01-29 14:39:51,397 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 14:39:51,398 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 323 error locations. [2024-01-29 14:39:51,398 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 14:39:51,603 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-29 14:39:51,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 566 places, 559 transitions, 1146 flow [2024-01-29 14:39:51,869 INFO L124 PetriNetUnfolderBase]: 6/555 cut-off events. [2024-01-29 14:39:51,869 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-29 14:39:51,879 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. [2024-01-29 14:39:51,880 INFO L82 GeneralOperation]: Start removeDead. Operand has 566 places, 559 transitions, 1146 flow [2024-01-29 14:39:51,900 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 561 places, 554 transitions, 1132 flow [2024-01-29 14:39:51,915 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 14:39:51,923 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;@761fd284, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 14:39:51,923 INFO L358 AbstractCegarLoop]: Starting to check reachability of 491 error locations. [2024-01-29 14:39:51,926 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 14:39:51,926 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 14:39:51,926 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:39:51,927 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:39:51,927 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 14:39:51,928 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 488 more)] === [2024-01-29 14:39:51,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:39:51,935 INFO L85 PathProgramCache]: Analyzing trace with hash 82776, now seen corresponding path program 1 times [2024-01-29 14:39:51,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:39:51,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820036281] [2024-01-29 14:39:51,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:39:51,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:39:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:39:52,143 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 14:39:52,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:39:52,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820036281] [2024-01-29 14:39:52,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820036281] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:39:52,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:39:52,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:39:52,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107745619] [2024-01-29 14:39:52,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:39:52,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:39:52,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:39:52,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:39:52,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:39:52,197 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 351 out of 559 [2024-01-29 14:39:52,203 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 561 places, 554 transitions, 1132 flow. Second operand has 3 states, 3 states have (on average 351.6666666666667) internal successors, (1055), 3 states have internal predecessors, (1055), 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 14:39:52,210 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:39:52,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 351 of 559 [2024-01-29 14:39:52,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand