./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-bad-buffer-mult-alt2.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27552612 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-bad-buffer-mult-alt2.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-2755261-m [2024-01-26 15:21:13,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 15:21:13,512 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-26 15:21:13,518 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 15:21:13,518 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 15:21:13,546 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 15:21:13,547 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 15:21:13,548 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 15:21:13,548 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-26 15:21:13,552 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-26 15:21:13,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 15:21:13,553 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 15:21:13,553 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 15:21:13,555 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 15:21:13,555 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 15:21:13,555 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 15:21:13,555 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 15:21:13,556 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 15:21:13,556 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 15:21:13,556 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 15:21:13,556 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 15:21:13,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 15:21:13,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 15:21:13,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 15:21:13,558 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-26 15:21:13,558 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 15:21:13,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 15:21:13,558 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 15:21:13,559 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 15:21:13,559 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 15:21:13,560 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-26 15:21:13,560 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 15:21:13,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-26 15:21:13,561 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 15:21:13,561 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 15:21:13,561 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-26 15:21:13,562 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 15:21:13,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 15:21:13,562 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 15:21:13,562 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-26 15:21:13,562 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 15:21:13,563 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-26 15:21:13,563 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-26 15:21:13,563 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-26 15:21:13,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 15:21:13,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 15:21:13,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 15:21:13,841 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-26 15:21:13,842 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-26 15:21:13,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-bad-buffer-mult-alt2.wvr.yml/witness.yml [2024-01-26 15:21:14,109 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 15:21:14,110 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 15:21:14,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2024-01-26 15:21:15,255 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 15:21:15,458 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 15:21:15,459 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2024-01-26 15:21:15,470 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e8a292aa/9520dcd1fc794ab9bd0f6b03453a1072/FLAGa6abef95b [2024-01-26 15:21:15,495 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e8a292aa/9520dcd1fc794ab9bd0f6b03453a1072 [2024-01-26 15:21:15,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 15:21:15,497 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 15:21:15,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 15:21:15,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 15:21:15,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 15:21:15,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:21:14" (1/2) ... [2024-01-26 15:21:15,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d5ed17 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:21:15, skipping insertion in model container [2024-01-26 15:21:15,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:21:14" (1/2) ... [2024-01-26 15:21:15,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3f3a837a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:21:15, skipping insertion in model container [2024-01-26 15:21:15,511 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 03:21:15" (2/2) ... [2024-01-26 15:21:15,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d5ed17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:15, skipping insertion in model container [2024-01-26 15:21:15,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 03:21:15" (2/2) ... [2024-01-26 15:21:15,512 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-26 15:21:15,603 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-26 15:21:15,604 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,604 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= j [2024-01-26 15:21:15,604 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= i [2024-01-26 15:21:15,605 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] 0 <= i [2024-01-26 15:21:15,605 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] 0 <= j [2024-01-26 15:21:15,605 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] -2147483647 <= q2_front [2024-01-26 15:21:15,606 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,606 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] 0 <= j [2024-01-26 15:21:15,606 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,606 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] 0 <= i [2024-01-26 15:21:15,606 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,606 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,607 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] 0 <= i [2024-01-26 15:21:15,607 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] 0 <= j [2024-01-26 15:21:15,607 INFO L98 nessWitnessExtractor]: Location invariant before [L156-L156] i == 0 [2024-01-26 15:21:15,607 INFO L98 nessWitnessExtractor]: Location invariant before [L156-L156] j == 0 [2024-01-26 15:21:15,607 INFO L98 nessWitnessExtractor]: Location invariant before [L156-L156] total == 0 [2024-01-26 15:21:15,608 INFO L98 nessWitnessExtractor]: Location invariant before [L156-L156] q2 == 0 [2024-01-26 15:21:15,608 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] 0 <= i [2024-01-26 15:21:15,608 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] 0 <= j [2024-01-26 15:21:15,608 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,609 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] 0 <= i [2024-01-26 15:21:15,609 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,609 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] 0 <= j [2024-01-26 15:21:15,609 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] 0 <= q2_back [2024-01-26 15:21:15,609 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,609 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] 0 <= q1_front [2024-01-26 15:21:15,610 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] 0 <= i [2024-01-26 15:21:15,610 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] 0 <= j [2024-01-26 15:21:15,610 INFO L98 nessWitnessExtractor]: Location invariant before [L102-L102] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,610 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] -2147483647 <= q1_front [2024-01-26 15:21:15,610 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,611 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] 0 <= i [2024-01-26 15:21:15,611 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] 0 <= j [2024-01-26 15:21:15,611 INFO L98 nessWitnessExtractor]: Location invariant before [L106-L106] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,612 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] 0 <= i [2024-01-26 15:21:15,612 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] 1 <= j [2024-01-26 15:21:15,612 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] -2147483647 <= q2_back [2024-01-26 15:21:15,613 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,613 INFO L98 nessWitnessExtractor]: Loop invariant at [L69-L78] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,613 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] q2 == 0 [2024-01-26 15:21:15,614 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] 0 <= i [2024-01-26 15:21:15,614 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] j == 0 [2024-01-26 15:21:15,614 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] total == 0 [2024-01-26 15:21:15,614 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] i == 0 [2024-01-26 15:21:15,614 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,615 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,615 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= i [2024-01-26 15:21:15,615 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= j [2024-01-26 15:21:15,615 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] 0 <= i [2024-01-26 15:21:15,615 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] 0 <= j [2024-01-26 15:21:15,616 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] b <= -1 [2024-01-26 15:21:15,616 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] b != 0 [2024-01-26 15:21:15,616 INFO L98 nessWitnessExtractor]: Location invariant before [L169-L169] 0 <= j [2024-01-26 15:21:15,616 INFO L98 nessWitnessExtractor]: Location invariant before [L169-L169] 0 <= i [2024-01-26 15:21:15,617 INFO L98 nessWitnessExtractor]: Loop invariant at [L51-L60] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,617 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,618 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] 0 <= i [2024-01-26 15:21:15,618 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] 0 <= j [2024-01-26 15:21:15,618 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,619 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] 0 <= i [2024-01-26 15:21:15,619 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,619 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] 0 <= j [2024-01-26 15:21:15,619 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2_front == 0 [2024-01-26 15:21:15,619 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2_back == 0 [2024-01-26 15:21:15,619 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] n2 == 0 [2024-01-26 15:21:15,619 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] n1 == 0 [2024-01-26 15:21:15,620 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2 == 0 [2024-01-26 15:21:15,620 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] i == 0 [2024-01-26 15:21:15,620 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] total == 0 [2024-01-26 15:21:15,620 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] j == 0 [2024-01-26 15:21:15,620 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1 == 0 [2024-01-26 15:21:15,621 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] 0 <= i [2024-01-26 15:21:15,621 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] 0 <= j [2024-01-26 15:21:15,621 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,621 INFO L98 nessWitnessExtractor]: Loop invariant at [L105-L114] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,621 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,621 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= j [2024-01-26 15:21:15,621 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,622 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= i [2024-01-26 15:21:15,622 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] 0 <= i [2024-01-26 15:21:15,622 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,622 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] 0 <= j [2024-01-26 15:21:15,622 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= i [2024-01-26 15:21:15,622 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= j [2024-01-26 15:21:15,623 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,623 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] n1 == 0 [2024-01-26 15:21:15,623 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] j == 0 [2024-01-26 15:21:15,623 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q1_back == 0 [2024-01-26 15:21:15,623 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] total == 0 [2024-01-26 15:21:15,623 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q2_back == 0 [2024-01-26 15:21:15,624 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] n2 == 0 [2024-01-26 15:21:15,624 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q1 == 0 [2024-01-26 15:21:15,624 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q2 == 0 [2024-01-26 15:21:15,624 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] i == 0 [2024-01-26 15:21:15,624 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q2_front == 0 [2024-01-26 15:21:15,624 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] 0 <= j [2024-01-26 15:21:15,625 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,625 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] 0 <= i [2024-01-26 15:21:15,625 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] N == 0 [2024-01-26 15:21:15,625 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] n2 == 0 [2024-01-26 15:21:15,625 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] n1 == 0 [2024-01-26 15:21:15,625 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] total == 0 [2024-01-26 15:21:15,626 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] q1_back == 0 [2024-01-26 15:21:15,626 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] q2 == 0 [2024-01-26 15:21:15,626 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] q1_front == 0 [2024-01-26 15:21:15,627 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] q1 == 0 [2024-01-26 15:21:15,627 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] i == 0 [2024-01-26 15:21:15,627 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] q2_front == 0 [2024-01-26 15:21:15,628 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] j == 0 [2024-01-26 15:21:15,628 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] q2_back == 0 [2024-01-26 15:21:15,629 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] M == 0 [2024-01-26 15:21:15,629 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] C == 0 [2024-01-26 15:21:15,629 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= i [2024-01-26 15:21:15,630 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,630 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= j [2024-01-26 15:21:15,630 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,630 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 1 <= i [2024-01-26 15:21:15,631 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] -2147483647 <= q1_back [2024-01-26 15:21:15,631 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= j [2024-01-26 15:21:15,631 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] 0 <= i [2024-01-26 15:21:15,631 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,631 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] 0 <= j [2024-01-26 15:21:15,631 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] 0 <= q2_front [2024-01-26 15:21:15,632 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] j == 0 [2024-01-26 15:21:15,632 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] n2 == 0 [2024-01-26 15:21:15,632 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] i == 0 [2024-01-26 15:21:15,632 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2 == 0 [2024-01-26 15:21:15,632 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1 == 0 [2024-01-26 15:21:15,632 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] total == 0 [2024-01-26 15:21:15,633 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] i == 0 [2024-01-26 15:21:15,633 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] M <= 2147483646 [2024-01-26 15:21:15,633 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] j == 0 [2024-01-26 15:21:15,633 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] -2147483647 <= N [2024-01-26 15:21:15,633 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] total == 0 [2024-01-26 15:21:15,633 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,634 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= j [2024-01-26 15:21:15,634 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= i [2024-01-26 15:21:15,634 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] i == 0 [2024-01-26 15:21:15,634 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] q2 == 0 [2024-01-26 15:21:15,634 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] total == 0 [2024-01-26 15:21:15,635 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] j == 0 [2024-01-26 15:21:15,635 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] i == 0 [2024-01-26 15:21:15,635 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q1_front == 0 [2024-01-26 15:21:15,635 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q1_back == 0 [2024-01-26 15:21:15,636 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] N == 0 [2024-01-26 15:21:15,636 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q2_back == 0 [2024-01-26 15:21:15,636 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] n1 == 0 [2024-01-26 15:21:15,637 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] j == 0 [2024-01-26 15:21:15,637 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q2 == 0 [2024-01-26 15:21:15,637 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q1 == 0 [2024-01-26 15:21:15,637 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q2_front == 0 [2024-01-26 15:21:15,637 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] total == 0 [2024-01-26 15:21:15,637 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] n2 == 0 [2024-01-26 15:21:15,637 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] 0 <= j [2024-01-26 15:21:15,638 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] 0 <= i [2024-01-26 15:21:15,638 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,638 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] -2147483647 <= q1_back [2024-01-26 15:21:15,638 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= i [2024-01-26 15:21:15,638 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= j [2024-01-26 15:21:15,638 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,639 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] q1 == 0 [2024-01-26 15:21:15,639 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] n1 == 0 [2024-01-26 15:21:15,639 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] N == 0 [2024-01-26 15:21:15,639 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] q1_back == 0 [2024-01-26 15:21:15,640 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] n2 == 0 [2024-01-26 15:21:15,640 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] q2 == 0 [2024-01-26 15:21:15,640 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] total == 0 [2024-01-26 15:21:15,640 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] q2_back == 0 [2024-01-26 15:21:15,640 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] j == 0 [2024-01-26 15:21:15,641 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] i == 0 [2024-01-26 15:21:15,641 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] q2_front == 0 [2024-01-26 15:21:15,641 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] M == 0 [2024-01-26 15:21:15,641 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] q1_front == 0 [2024-01-26 15:21:15,641 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,642 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,644 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= i [2024-01-26 15:21:15,644 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= j [2024-01-26 15:21:15,645 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,645 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,646 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] 0 <= i [2024-01-26 15:21:15,646 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] 0 <= j [2024-01-26 15:21:15,646 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,646 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,646 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] j == 0 [2024-01-26 15:21:15,646 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] total == 0 [2024-01-26 15:21:15,646 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] (((((((((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) [2024-01-26 15:21:15,646 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] q2 == 0 [2024-01-26 15:21:15,646 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] i == 0 [2024-01-26 15:21:15,647 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] size != 0 [2024-01-26 15:21:15,647 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q1_front == 0 [2024-01-26 15:21:15,647 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] n1 == 0 [2024-01-26 15:21:15,647 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q1_back == 0 [2024-01-26 15:21:15,647 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q1 == 0 [2024-01-26 15:21:15,647 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] j == 0 [2024-01-26 15:21:15,647 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q2_back == 0 [2024-01-26 15:21:15,647 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] n2 == 0 [2024-01-26 15:21:15,647 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] total == 0 [2024-01-26 15:21:15,647 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q2_front == 0 [2024-01-26 15:21:15,647 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q2 == 0 [2024-01-26 15:21:15,647 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] i == 0 [2024-01-26 15:21:15,647 INFO L98 nessWitnessExtractor]: Loop invariant at [L160-L162] i == 0 [2024-01-26 15:21:15,648 INFO L98 nessWitnessExtractor]: Loop invariant at [L160-L162] q2 == 0 [2024-01-26 15:21:15,648 INFO L98 nessWitnessExtractor]: Loop invariant at [L160-L162] total == 0 [2024-01-26 15:21:15,648 INFO L98 nessWitnessExtractor]: Loop invariant at [L160-L162] j == 0 [2024-01-26 15:21:15,648 INFO L98 nessWitnessExtractor]: Loop invariant at [L160-L162] (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) [2024-01-26 15:21:15,648 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,648 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] 0 <= i [2024-01-26 15:21:15,648 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,648 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] 0 <= j [2024-01-26 15:21:15,648 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] 0 <= i [2024-01-26 15:21:15,648 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,648 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] 0 <= j [2024-01-26 15:21:15,649 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] -2147483647 <= q2_back [2024-01-26 15:21:15,649 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,649 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] j == 0 [2024-01-26 15:21:15,649 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] i == 0 [2024-01-26 15:21:15,649 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] total == 0 [2024-01-26 15:21:15,649 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,649 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] 0 <= i [2024-01-26 15:21:15,649 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] 0 <= j [2024-01-26 15:21:15,649 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,649 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] i == 0 [2024-01-26 15:21:15,649 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] total == 0 [2024-01-26 15:21:15,649 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] q2 == 0 [2024-01-26 15:21:15,649 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] j == 0 [2024-01-26 15:21:15,649 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] 0 <= i [2024-01-26 15:21:15,650 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,650 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] 0 <= j [2024-01-26 15:21:15,650 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] j == 0 [2024-01-26 15:21:15,650 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q1 == 0 [2024-01-26 15:21:15,650 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q2 == 0 [2024-01-26 15:21:15,650 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] total == 0 [2024-01-26 15:21:15,650 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q2_back == 0 [2024-01-26 15:21:15,650 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] n2 == 0 [2024-01-26 15:21:15,650 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] n1 == 0 [2024-01-26 15:21:15,650 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] i == 0 [2024-01-26 15:21:15,650 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] i == 0 [2024-01-26 15:21:15,650 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] j == 0 [2024-01-26 15:21:15,650 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] total == 0 [2024-01-26 15:21:15,650 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q2 == 0 [2024-01-26 15:21:15,650 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] q2 == 0 [2024-01-26 15:21:15,651 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] j == 0 [2024-01-26 15:21:15,651 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] i == 0 [2024-01-26 15:21:15,651 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] total == 0 [2024-01-26 15:21:15,651 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] n2 == 0 [2024-01-26 15:21:15,651 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] i == 0 [2024-01-26 15:21:15,651 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] j == 0 [2024-01-26 15:21:15,651 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2 == 0 [2024-01-26 15:21:15,651 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] total == 0 [2024-01-26 15:21:15,651 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] n1 == 0 [2024-01-26 15:21:15,651 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1 == 0 [2024-01-26 15:21:15,651 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] total == 0 [2024-01-26 15:21:15,651 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] j == 0 [2024-01-26 15:21:15,651 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] i == 0 [2024-01-26 15:21:15,651 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] 0 <= j [2024-01-26 15:21:15,651 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,652 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] 0 <= i [2024-01-26 15:21:15,652 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= j [2024-01-26 15:21:15,652 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= i [2024-01-26 15:21:15,652 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,652 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= q1_back [2024-01-26 15:21:15,652 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,652 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= j [2024-01-26 15:21:15,652 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= i [2024-01-26 15:21:15,652 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] 0 <= i [2024-01-26 15:21:15,652 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,652 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] 0 <= j [2024-01-26 15:21:15,653 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,653 INFO L98 nessWitnessExtractor]: Loop invariant at [L87-L96] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,653 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] i == 0 [2024-01-26 15:21:15,653 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] j == 0 [2024-01-26 15:21:15,653 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2 == 0 [2024-01-26 15:21:15,653 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q1 == 0 [2024-01-26 15:21:15,653 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] total == 0 [2024-01-26 15:21:15,653 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-26 15:21:15,683 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 15:21:15,886 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4226,4239] [2024-01-26 15:21:15,896 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 15:21:15,904 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 15:21:15,915 WARN L424 MainDispatcher]: Unable to annotate extern int pthread_create (pthread_t *__restrict __newthread, const pthread_attr_t *__restrict __attr, void *(*__start_routine) (void *), void *__restrict __arg) __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1, 3))); with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-26 15:21:16,039 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4226,4239] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-26 15:21:16,056 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 15:21:16,086 INFO L206 MainTranslator]: Completed translation [2024-01-26 15:21:16,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:16 WrapperNode [2024-01-26 15:21:16,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 15:21:16,089 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 15:21:16,089 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 15:21:16,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 15:21:16,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:16" (1/1) ... [2024-01-26 15:21:16,125 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:16" (1/1) ... [2024-01-26 15:21:16,190 INFO L138 Inliner]: procedures = 26, calls = 75, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 653 [2024-01-26 15:21:16,190 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 15:21:16,191 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 15:21:16,191 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 15:21:16,191 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 15:21:16,201 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:16" (1/1) ... [2024-01-26 15:21:16,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:16" (1/1) ... [2024-01-26 15:21:16,207 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:16" (1/1) ... [2024-01-26 15:21:16,226 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]. [2024-01-26 15:21:16,226 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:16" (1/1) ... [2024-01-26 15:21:16,227 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:16" (1/1) ... [2024-01-26 15:21:16,253 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:16" (1/1) ... [2024-01-26 15:21:16,272 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:16" (1/1) ... [2024-01-26 15:21:16,285 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:16" (1/1) ... [2024-01-26 15:21:16,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:16" (1/1) ... [2024-01-26 15:21:16,292 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 15:21:16,293 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 15:21:16,293 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 15:21:16,293 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 15:21:16,294 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:16" (1/1) ... [2024-01-26 15:21:16,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-26 15:21:16,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-26 15:21:16,331 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) [2024-01-26 15:21:16,343 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 [2024-01-26 15:21:16,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 15:21:16,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 15:21:16,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-26 15:21:16,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-26 15:21:16,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-26 15:21:16,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-26 15:21:16,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-26 15:21:16,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-01-26 15:21:16,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-26 15:21:16,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-26 15:21:16,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-26 15:21:16,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-26 15:21:16,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-26 15:21:16,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-01-26 15:21:16,376 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 15:21:16,376 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 15:21:16,376 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 15:21:16,376 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 15:21:16,376 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-26 15:21:16,376 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-26 15:21:16,376 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-26 15:21:16,377 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-26 15:21:16,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-26 15:21:16,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-26 15:21:16,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-26 15:21:16,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-26 15:21:16,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-26 15:21:16,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-01-26 15:21:16,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-26 15:21:16,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-26 15:21:16,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-26 15:21:16,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 15:21:16,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 15:21:16,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 15:21:16,380 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-26 15:21:16,537 INFO L244 CfgBuilder]: Building ICFG [2024-01-26 15:21:16,539 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 15:21:17,432 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-26 15:21:17,432 INFO L293 CfgBuilder]: Performing block encoding [2024-01-26 15:21:18,342 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 15:21:18,343 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-01-26 15:21:18,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 03:21:18 BoogieIcfgContainer [2024-01-26 15:21:18,344 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 15:21:18,347 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 15:21:18,347 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 15:21:18,350 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 15:21:18,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:21:14" (1/4) ... [2024-01-26 15:21:18,351 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11226aaa and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.01 03:21:18, skipping insertion in model container [2024-01-26 15:21:18,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 03:21:15" (2/4) ... [2024-01-26 15:21:18,352 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11226aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 03:21:18, skipping insertion in model container [2024-01-26 15:21:18,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:16" (3/4) ... [2024-01-26 15:21:18,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11226aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 03:21:18, skipping insertion in model container [2024-01-26 15:21:18,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 03:21:18" (4/4) ... [2024-01-26 15:21:18,356 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt2.wvr.c [2024-01-26 15:21:18,374 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 15:21:18,374 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 323 error locations. [2024-01-26 15:21:18,374 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 15:21:18,606 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-26 15:21:18,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 580 places, 573 transitions, 1174 flow [2024-01-26 15:21:18,857 INFO L124 PetriNetUnfolderBase]: 6/569 cut-off events. [2024-01-26 15:21:18,857 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-26 15:21:18,866 INFO L83 FinitePrefix]: Finished finitePrefix Result has 586 conditions, 569 events. 6/569 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1695 event pairs, 0 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 511. Up to 2 conditions per place. [2024-01-26 15:21:18,866 INFO L82 GeneralOperation]: Start removeDead. Operand has 580 places, 573 transitions, 1174 flow [2024-01-26 15:21:18,882 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 575 places, 568 transitions, 1160 flow [2024-01-26 15:21:18,896 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-26 15:21:18,902 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;@1cf6c63d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 15:21:18,902 INFO L358 AbstractCegarLoop]: Starting to check reachability of 473 error locations. [2024-01-26 15:21:18,904 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-26 15:21:18,905 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-26 15:21:18,905 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-26 15:21:18,905 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:21:18,905 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-26 15:21:18,906 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 470 more)] === [2024-01-26 15:21:18,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:21:18,912 INFO L85 PathProgramCache]: Analyzing trace with hash 77571, now seen corresponding path program 1 times [2024-01-26 15:21:18,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:21:18,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157825663] [2024-01-26 15:21:18,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:21:18,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:21:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:21:19,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:21:19,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:21:19,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157825663] [2024-01-26 15:21:19,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157825663] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:21:19,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:21:19,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-26 15:21:19,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701044794] [2024-01-26 15:21:19,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:21:19,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:21:19,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:21:19,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:21:19,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:21:19,340 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 385 out of 573 [2024-01-26 15:21:19,347 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 575 places, 568 transitions, 1160 flow. Second operand has 3 states, 3 states have (on average 385.6666666666667) internal successors, (1157), 3 states have internal predecessors, (1157), 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) [2024-01-26 15:21:19,347 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:21:19,347 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 385 of 573 [2024-01-26 15:21:19,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand