./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 a340643f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-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-a340643-m [2024-01-27 14:51:38,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 14:51:38,578 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 14:51:38,586 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 14:51:38,587 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 14:51:38,615 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 14:51:38,615 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 14:51:38,616 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 14:51:38,616 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 14:51:38,619 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 14:51:38,620 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 14:51:38,620 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 14:51:38,620 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 14:51:38,621 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 14:51:38,622 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 14:51:38,622 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 14:51:38,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 14:51:38,623 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 14:51:38,623 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 14:51:38,623 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 14:51:38,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 14:51:38,624 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 14:51:38,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 14:51:38,624 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 14:51:38,624 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 14:51:38,624 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 14:51:38,625 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 14:51:38,625 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 14:51:38,625 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 14:51:38,626 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 14:51:38,626 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 14:51:38,626 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 14:51:38,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:51:38,627 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 14:51:38,627 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 14:51:38,627 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 14:51:38,627 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 14:51:38,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 14:51:38,628 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 14:51:38,628 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 14:51:38,628 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 14:51:38,628 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 14:51:38,628 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 14:51:38,629 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 14:51:38,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 14:51:38,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 14:51:38,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 14:51:38,864 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 14:51:38,864 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 14:51:38,865 INFO L431 ainManager$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 [2024-01-27 14:51:39,048 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 14:51:39,049 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 14:51:39,050 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2024-01-27 14:51:40,119 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 14:51:40,259 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 14:51:40,259 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2024-01-27 14:51:40,266 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dad23e304/941c74558e2044b4a7e20c6ada9bba9f/FLAG6bdf27b42 [2024-01-27 14:51:40,281 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dad23e304/941c74558e2044b4a7e20c6ada9bba9f [2024-01-27 14:51:40,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 14:51:40,282 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 14:51:40,283 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 14:51:40,283 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 14:51:40,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 14:51:40,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:51:39" (1/2) ... [2024-01-27 14:51:40,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17141bb6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:51:40, skipping insertion in model container [2024-01-27 14:51:40,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:51:39" (1/2) ... [2024-01-27 14:51:40,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3926bb74 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:51:40, skipping insertion in model container [2024-01-27 14:51:40,292 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:51:40" (2/2) ... [2024-01-27 14:51:40,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17141bb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:40, skipping insertion in model container [2024-01-27 14:51:40,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:51:40" (2/2) ... [2024-01-27 14:51:40,293 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 14:51:40,353 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 14:51:40,354 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,354 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] q2 == 0 [2024-01-27 14:51:40,354 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] j == 0 [2024-01-27 14:51:40,354 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] total == 0 [2024-01-27 14:51:40,355 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] i == 0 [2024-01-27 14:51:40,355 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,355 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= i [2024-01-27 14:51:40,355 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,355 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= j [2024-01-27 14:51:40,355 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= j [2024-01-27 14:51:40,355 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= i [2024-01-27 14:51:40,356 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,356 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,356 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] 0 <= j [2024-01-27 14:51:40,356 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] 0 <= i [2024-01-27 14:51:40,356 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] total == 0 [2024-01-27 14:51:40,356 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q2_front == 0 [2024-01-27 14:51:40,356 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] n1 == 0 [2024-01-27 14:51:40,356 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q2_back == 0 [2024-01-27 14:51:40,357 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] i == 0 [2024-01-27 14:51:40,357 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q1_back == 0 [2024-01-27 14:51:40,357 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q2 == 0 [2024-01-27 14:51:40,357 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] n2 == 0 [2024-01-27 14:51:40,357 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q1 == 0 [2024-01-27 14:51:40,358 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] j == 0 [2024-01-27 14:51:40,358 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] N == 0 [2024-01-27 14:51:40,358 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q1_front == 0 [2024-01-27 14:51:40,358 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] 0 <= j [2024-01-27 14:51:40,358 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,358 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] 0 <= i [2024-01-27 14:51:40,358 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] 0 <= q2_back [2024-01-27 14:51:40,359 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= j [2024-01-27 14:51:40,359 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,359 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= i [2024-01-27 14:51:40,359 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,359 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] 0 <= j [2024-01-27 14:51:40,360 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] 0 <= i [2024-01-27 14:51:40,360 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] total == 0 [2024-01-27 14:51:40,361 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] -2147483647 <= N [2024-01-27 14:51:40,361 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] j == 0 [2024-01-27 14:51:40,361 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] i == 0 [2024-01-27 14:51:40,361 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] M <= 2147483646 [2024-01-27 14:51:40,361 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] i == 0 [2024-01-27 14:51:40,361 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] q2 == 0 [2024-01-27 14:51:40,362 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] j == 0 [2024-01-27 14:51:40,362 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] total == 0 [2024-01-27 14:51:40,362 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] 0 <= j [2024-01-27 14:51:40,362 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] 0 <= i [2024-01-27 14:51:40,362 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,362 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] q2_back == 0 [2024-01-27 14:51:40,362 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] i == 0 [2024-01-27 14:51:40,363 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] q2 == 0 [2024-01-27 14:51:40,363 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] n2 == 0 [2024-01-27 14:51:40,363 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] q1_back == 0 [2024-01-27 14:51:40,363 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] n1 == 0 [2024-01-27 14:51:40,364 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] total == 0 [2024-01-27 14:51:40,364 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] j == 0 [2024-01-27 14:51:40,364 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] q1 == 0 [2024-01-27 14:51:40,365 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] N == 0 [2024-01-27 14:51:40,365 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] q1_front == 0 [2024-01-27 14:51:40,365 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] M == 0 [2024-01-27 14:51:40,365 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] q2_front == 0 [2024-01-27 14:51:40,365 INFO L98 nessWitnessExtractor]: Loop invariant at [L51-L60] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,365 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] 0 <= i [2024-01-27 14:51:40,365 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,366 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] 0 <= j [2024-01-27 14:51:40,366 INFO L98 nessWitnessExtractor]: Location invariant before [L106-L106] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,366 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] total == 0 [2024-01-27 14:51:40,366 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] j == 0 [2024-01-27 14:51:40,366 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] i == 0 [2024-01-27 14:51:40,366 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] q2 == 0 [2024-01-27 14:51:40,366 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] C == 0 [2024-01-27 14:51:40,366 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] j == 0 [2024-01-27 14:51:40,367 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] n1 == 0 [2024-01-27 14:51:40,367 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] q2_front == 0 [2024-01-27 14:51:40,367 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] q2_back == 0 [2024-01-27 14:51:40,367 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] M == 0 [2024-01-27 14:51:40,367 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] q1_back == 0 [2024-01-27 14:51:40,367 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] i == 0 [2024-01-27 14:51:40,367 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] n2 == 0 [2024-01-27 14:51:40,367 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] total == 0 [2024-01-27 14:51:40,368 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] q1_front == 0 [2024-01-27 14:51:40,368 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] q1 == 0 [2024-01-27 14:51:40,368 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] N == 0 [2024-01-27 14:51:40,368 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,368 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] 0 <= j [2024-01-27 14:51:40,368 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] 0 <= i [2024-01-27 14:51:40,368 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,368 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= j [2024-01-27 14:51:40,369 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= i [2024-01-27 14:51:40,369 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= q1_back [2024-01-27 14:51:40,369 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,369 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] 0 <= i [2024-01-27 14:51:40,369 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] 0 <= j [2024-01-27 14:51:40,369 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,369 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,369 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= j [2024-01-27 14:51:40,369 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= i [2024-01-27 14:51:40,370 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,370 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] 0 <= j [2024-01-27 14:51:40,370 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,370 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] 0 <= i [2024-01-27 14:51:40,370 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,370 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] i == 0 [2024-01-27 14:51:40,370 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2 == 0 [2024-01-27 14:51:40,371 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] n1 == 0 [2024-01-27 14:51:40,371 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] n2 == 0 [2024-01-27 14:51:40,371 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1 == 0 [2024-01-27 14:51:40,372 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] j == 0 [2024-01-27 14:51:40,372 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] total == 0 [2024-01-27 14:51:40,372 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] 0 <= i [2024-01-27 14:51:40,372 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,373 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] 0 <= j [2024-01-27 14:51:40,373 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] 0 <= j [2024-01-27 14:51:40,373 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] 0 <= i [2024-01-27 14:51:40,374 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,374 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2 == 0 [2024-01-27 14:51:40,374 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] i == 0 [2024-01-27 14:51:40,374 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] total == 0 [2024-01-27 14:51:40,374 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] n2 == 0 [2024-01-27 14:51:40,374 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1 == 0 [2024-01-27 14:51:40,374 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] j == 0 [2024-01-27 14:51:40,374 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= j [2024-01-27 14:51:40,375 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,375 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= i [2024-01-27 14:51:40,375 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,375 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] q2 == 0 [2024-01-27 14:51:40,375 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] j == 0 [2024-01-27 14:51:40,375 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] i == 0 [2024-01-27 14:51:40,375 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] total == 0 [2024-01-27 14:51:40,376 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] 0 <= i [2024-01-27 14:51:40,376 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] 0 <= j [2024-01-27 14:51:40,376 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,376 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] 0 <= j [2024-01-27 14:51:40,376 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] b != 0 [2024-01-27 14:51:40,376 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] 0 <= i [2024-01-27 14:51:40,376 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] b <= -1 [2024-01-27 14:51:40,376 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] total == 0 [2024-01-27 14:51:40,376 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q2 == 0 [2024-01-27 14:51:40,377 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] i == 0 [2024-01-27 14:51:40,377 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] j == 0 [2024-01-27 14:51:40,377 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,377 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] 0 <= i [2024-01-27 14:51:40,377 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] 1 <= j [2024-01-27 14:51:40,377 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] -2147483647 <= q2_back [2024-01-27 14:51:40,378 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,378 INFO L98 nessWitnessExtractor]: Loop invariant at [L69-L78] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,378 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] j == 0 [2024-01-27 14:51:40,378 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q1_back == 0 [2024-01-27 14:51:40,379 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] n1 == 0 [2024-01-27 14:51:40,379 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q2_back == 0 [2024-01-27 14:51:40,379 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] n2 == 0 [2024-01-27 14:51:40,379 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q2 == 0 [2024-01-27 14:51:40,379 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] total == 0 [2024-01-27 14:51:40,379 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q1 == 0 [2024-01-27 14:51:40,379 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] i == 0 [2024-01-27 14:51:40,379 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q2_front == 0 [2024-01-27 14:51:40,379 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] q2 == 0 [2024-01-27 14:51:40,380 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] j == 0 [2024-01-27 14:51:40,380 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] i == 0 [2024-01-27 14:51:40,380 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] 0 <= i [2024-01-27 14:51:40,380 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] total == 0 [2024-01-27 14:51:40,380 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,380 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] -2147483647 <= q1_back [2024-01-27 14:51:40,380 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,381 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 1 <= i [2024-01-27 14:51:40,381 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= j [2024-01-27 14:51:40,381 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] 0 <= i [2024-01-27 14:51:40,381 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] 0 <= j [2024-01-27 14:51:40,381 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,381 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] j == 0 [2024-01-27 14:51:40,382 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] total == 0 [2024-01-27 14:51:40,382 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] q2 == 0 [2024-01-27 14:51:40,382 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] i == 0 [2024-01-27 14:51:40,382 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) [2024-01-27 14:51:40,382 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] size != 0 [2024-01-27 14:51:40,382 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q2 == 0 [2024-01-27 14:51:40,383 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q2_front == 0 [2024-01-27 14:51:40,383 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q1 == 0 [2024-01-27 14:51:40,384 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] i == 0 [2024-01-27 14:51:40,384 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] j == 0 [2024-01-27 14:51:40,386 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] total == 0 [2024-01-27 14:51:40,386 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] n1 == 0 [2024-01-27 14:51:40,387 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] n2 == 0 [2024-01-27 14:51:40,387 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q1_front == 0 [2024-01-27 14:51:40,389 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q1_back == 0 [2024-01-27 14:51:40,390 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q2_back == 0 [2024-01-27 14:51:40,390 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,390 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,390 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1 == 0 [2024-01-27 14:51:40,390 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] n1 == 0 [2024-01-27 14:51:40,390 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2 == 0 [2024-01-27 14:51:40,390 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] total == 0 [2024-01-27 14:51:40,390 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] i == 0 [2024-01-27 14:51:40,390 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] j == 0 [2024-01-27 14:51:40,391 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] n2 == 0 [2024-01-27 14:51:40,391 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2_front == 0 [2024-01-27 14:51:40,391 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2_back == 0 [2024-01-27 14:51:40,391 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,391 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] 0 <= j [2024-01-27 14:51:40,391 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] 0 <= i [2024-01-27 14:51:40,391 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,391 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] j == 0 [2024-01-27 14:51:40,391 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] i == 0 [2024-01-27 14:51:40,392 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] total == 0 [2024-01-27 14:51:40,392 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] 0 <= i [2024-01-27 14:51:40,392 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] 0 <= j [2024-01-27 14:51:40,392 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] 0 <= q1_front [2024-01-27 14:51:40,392 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,392 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,392 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] 0 <= j [2024-01-27 14:51:40,392 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] 0 <= i [2024-01-27 14:51:40,392 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= j [2024-01-27 14:51:40,392 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,393 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= i [2024-01-27 14:51:40,393 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] 0 <= q2_front [2024-01-27 14:51:40,393 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,393 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] 0 <= i [2024-01-27 14:51:40,393 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] 0 <= j [2024-01-27 14:51:40,393 INFO L98 nessWitnessExtractor]: Loop invariant at [L105-L114] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,393 INFO L98 nessWitnessExtractor]: Location invariant before [L169-L169] 0 <= j [2024-01-27 14:51:40,393 INFO L98 nessWitnessExtractor]: Location invariant before [L169-L169] 0 <= i [2024-01-27 14:51:40,393 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,393 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] -2147483647 <= q1_front [2024-01-27 14:51:40,394 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,394 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] 0 <= i [2024-01-27 14:51:40,394 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] 0 <= j [2024-01-27 14:51:40,394 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= i [2024-01-27 14:51:40,394 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= j [2024-01-27 14:51:40,394 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,394 INFO L98 nessWitnessExtractor]: Location invariant before [L156-L156] q2 == 0 [2024-01-27 14:51:40,394 INFO L98 nessWitnessExtractor]: Location invariant before [L156-L156] j == 0 [2024-01-27 14:51:40,394 INFO L98 nessWitnessExtractor]: Location invariant before [L156-L156] total == 0 [2024-01-27 14:51:40,394 INFO L98 nessWitnessExtractor]: Location invariant before [L156-L156] i == 0 [2024-01-27 14:51:40,395 INFO L98 nessWitnessExtractor]: Location invariant before [L102-L102] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,395 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,395 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] 0 <= i [2024-01-27 14:51:40,395 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,395 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] 0 <= j [2024-01-27 14:51:40,395 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] j == 0 [2024-01-27 14:51:40,395 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2 == 0 [2024-01-27 14:51:40,395 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] i == 0 [2024-01-27 14:51:40,395 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q1 == 0 [2024-01-27 14:51:40,395 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] total == 0 [2024-01-27 14:51:40,396 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= i [2024-01-27 14:51:40,396 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= j [2024-01-27 14:51:40,396 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,396 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] -2147483647 <= q1_back [2024-01-27 14:51:40,396 INFO L98 nessWitnessExtractor]: Loop invariant at [L160-L162] q2 == 0 [2024-01-27 14:51:40,396 INFO L98 nessWitnessExtractor]: Loop invariant at [L160-L162] j == 0 [2024-01-27 14:51:40,396 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) [2024-01-27 14:51:40,396 INFO L98 nessWitnessExtractor]: Loop invariant at [L160-L162] i == 0 [2024-01-27 14:51:40,396 INFO L98 nessWitnessExtractor]: Loop invariant at [L160-L162] total == 0 [2024-01-27 14:51:40,396 INFO L98 nessWitnessExtractor]: Loop invariant at [L87-L96] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,397 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] 0 <= j [2024-01-27 14:51:40,397 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] 0 <= i [2024-01-27 14:51:40,397 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,397 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] -2147483647 <= q2_back [2024-01-27 14:51:40,397 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q2 == 0 [2024-01-27 14:51:40,397 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] n2 == 0 [2024-01-27 14:51:40,397 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q2_back == 0 [2024-01-27 14:51:40,397 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] n1 == 0 [2024-01-27 14:51:40,397 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] i == 0 [2024-01-27 14:51:40,398 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] j == 0 [2024-01-27 14:51:40,398 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q1 == 0 [2024-01-27 14:51:40,398 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] total == 0 [2024-01-27 14:51:40,398 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] -2147483647 <= q2_front [2024-01-27 14:51:40,398 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,398 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] 0 <= i [2024-01-27 14:51:40,398 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] 0 <= j [2024-01-27 14:51:40,398 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] 0 <= j [2024-01-27 14:51:40,398 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] 0 <= i [2024-01-27 14:51:40,398 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,399 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-27 14:51:40,399 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= j [2024-01-27 14:51:40,399 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= i [2024-01-27 14:51:40,420 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 14:51:40,572 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] [2024-01-27 14:51:40,583 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:51:40,595 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 14:51:40,606 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 [2024-01-27 14:51:40,726 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 [2024-01-27 14:51:40,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:51:40,763 INFO L206 MainTranslator]: Completed translation [2024-01-27 14:51:40,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:40 WrapperNode [2024-01-27 14:51:40,763 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 14:51:40,764 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 14:51:40,764 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 14:51:40,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 14:51:40,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:40" (1/1) ... [2024-01-27 14:51:40,799 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:40" (1/1) ... [2024-01-27 14:51:40,848 INFO L138 Inliner]: procedures = 26, calls = 75, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 653 [2024-01-27 14:51:40,848 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 14:51:40,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 14:51:40,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 14:51:40,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 14:51:40,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:40" (1/1) ... [2024-01-27 14:51:40,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:40" (1/1) ... [2024-01-27 14:51:40,866 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:40" (1/1) ... [2024-01-27 14:51:40,891 INFO L175 MemorySlicer]: Split 16 memory accesses to 6 slices as follows [2, 2, 2, 2, 2, 6]. 38 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 6 writes are split as follows [0, 1, 1, 1, 1, 2]. [2024-01-27 14:51:40,891 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:40" (1/1) ... [2024-01-27 14:51:40,891 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:40" (1/1) ... [2024-01-27 14:51:40,910 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:40" (1/1) ... [2024-01-27 14:51:40,914 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:40" (1/1) ... [2024-01-27 14:51:40,916 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:40" (1/1) ... [2024-01-27 14:51:40,918 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:40" (1/1) ... [2024-01-27 14:51:40,921 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 14:51:40,922 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 14:51:40,922 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 14:51:40,922 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 14:51:40,960 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:40" (1/1) ... [2024-01-27 14:51:40,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:51:40,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 14:51:41,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-27 14:51:41,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-27 14:51:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 14:51:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 14:51:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 14:51:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 14:51:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 14:51:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-27 14:51:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-27 14:51:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-01-27 14:51:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 14:51:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 14:51:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 14:51:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-27 14:51:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-27 14:51:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-01-27 14:51:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-27 14:51:41,105 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-27 14:51:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-27 14:51:41,105 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-27 14:51:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-27 14:51:41,106 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-27 14:51:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-27 14:51:41,106 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-27 14:51:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 14:51:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 14:51:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 14:51:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-27 14:51:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-27 14:51:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-01-27 14:51:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-27 14:51:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-27 14:51:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-27 14:51:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 14:51:41,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 14:51:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 14:51:41,108 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-27 14:51:41,268 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 14:51:41,270 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 14:51:42,018 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 14:51:42,019 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 14:51:42,686 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 14:51:42,687 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-01-27 14:51:42,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:51:42 BoogieIcfgContainer [2024-01-27 14:51:42,688 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 14:51:42,690 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 14:51:42,690 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 14:51:42,693 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 14:51:42,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:51:39" (1/4) ... [2024-01-27 14:51:42,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6310960b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 02:51:42, skipping insertion in model container [2024-01-27 14:51:42,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 02:51:40" (2/4) ... [2024-01-27 14:51:42,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6310960b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:51:42, skipping insertion in model container [2024-01-27 14:51:42,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:40" (3/4) ... [2024-01-27 14:51:42,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6310960b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:51:42, skipping insertion in model container [2024-01-27 14:51:42,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:51:42" (4/4) ... [2024-01-27 14:51:42,695 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt2.wvr.c [2024-01-27 14:51:42,709 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 14:51:42,709 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 323 error locations. [2024-01-27 14:51:42,709 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 14:51:42,879 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-27 14:51:42,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 580 places, 573 transitions, 1174 flow [2024-01-27 14:51:43,066 INFO L124 PetriNetUnfolderBase]: 6/569 cut-off events. [2024-01-27 14:51:43,066 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-27 14:51:43,073 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. [2024-01-27 14:51:43,074 INFO L82 GeneralOperation]: Start removeDead. Operand has 580 places, 573 transitions, 1174 flow [2024-01-27 14:51:43,082 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 575 places, 568 transitions, 1160 flow [2024-01-27 14:51:43,089 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 14:51:43,093 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;@551c576a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 14:51:43,093 INFO L358 AbstractCegarLoop]: Starting to check reachability of 473 error locations. [2024-01-27 14:51:43,094 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 14:51:43,094 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 14:51:43,095 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 14:51:43,095 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:51:43,095 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 14:51:43,095 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 470 more)] === [2024-01-27 14:51:43,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:51:43,099 INFO L85 PathProgramCache]: Analyzing trace with hash 77571, now seen corresponding path program 1 times [2024-01-27 14:51:43,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:51:43,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711293543] [2024-01-27 14:51:43,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:51:43,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:51:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:51:43,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:51:43,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:51:43,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711293543] [2024-01-27 14:51:43,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711293543] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:51:43,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:51:43,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:51:43,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371707553] [2024-01-27 14:51:43,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:51:43,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:51:43,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:51:43,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:51:43,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:51:43,272 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 573 [2024-01-27 14:51:43,276 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 575 places, 568 transitions, 1160 flow. Second operand has 3 states, 3 states have (on average 380.6666666666667) internal successors, (1142), 3 states have internal predecessors, (1142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:51:43,277 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:51:43,277 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 573 [2024-01-27 14:51:43,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand