./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-more-buffer-mult2.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cb09d658 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-more-buffer-mult2.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-cb09d65-m [2024-01-27 23:10:03,929 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 23:10:04,005 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 23:10:04,011 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 23:10:04,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 23:10:04,040 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 23:10:04,040 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 23:10:04,041 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 23:10:04,042 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 23:10:04,045 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 23:10:04,046 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 23:10:04,046 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 23:10:04,047 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 23:10:04,048 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 23:10:04,048 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 23:10:04,049 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 23:10:04,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 23:10:04,049 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 23:10:04,049 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 23:10:04,050 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 23:10:04,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 23:10:04,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 23:10:04,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 23:10:04,051 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 23:10:04,051 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 23:10:04,052 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 23:10:04,052 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 23:10:04,052 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 23:10:04,053 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 23:10:04,053 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 23:10:04,054 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 23:10:04,054 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 23:10:04,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 23:10:04,055 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 23:10:04,055 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 23:10:04,055 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 23:10:04,055 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 23:10:04,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 23:10:04,056 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 23:10:04,056 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 23:10:04,056 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 23:10:04,056 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 23:10:04,057 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 23:10:04,057 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 23:10:04,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 23:10:04,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 23:10:04,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 23:10:04,348 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 23:10:04,349 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 23:10:04,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-more-buffer-mult2.wvr.yml/witness.yml [2024-01-27 23:10:04,593 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 23:10:04,593 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 23:10:04,594 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c [2024-01-27 23:10:05,804 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 23:10:06,000 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 23:10:06,001 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c [2024-01-27 23:10:06,008 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bd29988a/b4dee9af0b354ed697670baca6bd4b3f/FLAGebb9bed19 [2024-01-27 23:10:06,021 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bd29988a/b4dee9af0b354ed697670baca6bd4b3f [2024-01-27 23:10:06,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 23:10:06,023 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 23:10:06,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 23:10:06,024 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 23:10:06,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 23:10:06,029 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:10:04" (1/2) ... [2024-01-27 23:10:06,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@103383b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:06, skipping insertion in model container [2024-01-27 23:10:06,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:10:04" (1/2) ... [2024-01-27 23:10:06,031 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b136d25 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:06, skipping insertion in model container [2024-01-27 23:10:06,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:10:06" (2/2) ... [2024-01-27 23:10:06,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@103383b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:10:06, skipping insertion in model container [2024-01-27 23:10:06,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:10:06" (2/2) ... [2024-01-27 23:10:06,032 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 23:10:06,110 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 23:10:06,111 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,111 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,111 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] i == 0 [2024-01-27 23:10:06,112 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] q2 == 0 [2024-01-27 23:10:06,112 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] j == 0 [2024-01-27 23:10:06,112 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] (((((((((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 23:10:06,113 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] size != 0 [2024-01-27 23:10:06,113 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] total == 0 [2024-01-27 23:10:06,113 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] 0 <= j [2024-01-27 23:10:06,113 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] 0 <= i [2024-01-27 23:10:06,113 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,113 INFO L98 nessWitnessExtractor]: Loop invariant at [L70-L80] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,114 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] i == 0 [2024-01-27 23:10:06,114 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] j == 0 [2024-01-27 23:10:06,114 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] -2147483647 <= C [2024-01-27 23:10:06,114 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] total == 0 [2024-01-27 23:10:06,114 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] total == 0 [2024-01-27 23:10:06,114 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] j == 0 [2024-01-27 23:10:06,115 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] i == 0 [2024-01-27 23:10:06,115 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] q2 == 0 [2024-01-27 23:10:06,115 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= i [2024-01-27 23:10:06,115 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,116 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= j [2024-01-27 23:10:06,116 INFO L98 nessWitnessExtractor]: Loop invariant at [L107-L116] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,116 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] 0 <= i [2024-01-27 23:10:06,116 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] 0 <= j [2024-01-27 23:10:06,116 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,116 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,117 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] j == 0 [2024-01-27 23:10:06,117 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] i == 0 [2024-01-27 23:10:06,117 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] total == 0 [2024-01-27 23:10:06,117 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,117 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,118 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,118 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 0 <= j [2024-01-27 23:10:06,118 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,118 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 0 <= i [2024-01-27 23:10:06,119 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= i [2024-01-27 23:10:06,120 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,120 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= j [2024-01-27 23:10:06,120 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= i [2024-01-27 23:10:06,120 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,120 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] -2147483647 <= q2_back [2024-01-27 23:10:06,121 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 1 <= j [2024-01-27 23:10:06,121 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= j [2024-01-27 23:10:06,121 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= i [2024-01-27 23:10:06,121 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,121 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= i [2024-01-27 23:10:06,122 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= j [2024-01-27 23:10:06,122 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,122 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] total == 0 [2024-01-27 23:10:06,122 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2 == 0 [2024-01-27 23:10:06,123 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] i == 0 [2024-01-27 23:10:06,123 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] j == 0 [2024-01-27 23:10:06,123 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,124 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q1 == 0 [2024-01-27 23:10:06,124 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q2 == 0 [2024-01-27 23:10:06,124 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] i == 0 [2024-01-27 23:10:06,125 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] j == 0 [2024-01-27 23:10:06,125 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q2_front == 0 [2024-01-27 23:10:06,125 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] n2 == 0 [2024-01-27 23:10:06,125 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q1_back == 0 [2024-01-27 23:10:06,125 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q2_back == 0 [2024-01-27 23:10:06,125 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] total == 0 [2024-01-27 23:10:06,126 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q1_front == 0 [2024-01-27 23:10:06,126 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2 == 0 [2024-01-27 23:10:06,126 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] i == 0 [2024-01-27 23:10:06,126 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1 == 0 [2024-01-27 23:10:06,126 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] j == 0 [2024-01-27 23:10:06,126 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] total == 0 [2024-01-27 23:10:06,127 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] j == 0 [2024-01-27 23:10:06,127 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2_back == 0 [2024-01-27 23:10:06,127 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] total == 0 [2024-01-27 23:10:06,127 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] i == 0 [2024-01-27 23:10:06,127 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1 == 0 [2024-01-27 23:10:06,127 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2 == 0 [2024-01-27 23:10:06,128 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] 0 <= j [2024-01-27 23:10:06,128 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] 0 <= i [2024-01-27 23:10:06,128 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,128 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] b != 0 [2024-01-27 23:10:06,128 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] 0 <= i [2024-01-27 23:10:06,128 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] b <= -1 [2024-01-27 23:10:06,128 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] 0 <= j [2024-01-27 23:10:06,129 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,129 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] 0 <= j [2024-01-27 23:10:06,129 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] 0 <= q2_back [2024-01-27 23:10:06,129 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,129 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] 0 <= i [2024-01-27 23:10:06,129 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= i [2024-01-27 23:10:06,130 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= j [2024-01-27 23:10:06,130 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,130 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= q1_back [2024-01-27 23:10:06,130 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,130 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] 0 <= j [2024-01-27 23:10:06,130 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] 0 <= i [2024-01-27 23:10:06,130 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,131 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1_back == 0 [2024-01-27 23:10:06,131 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2 == 0 [2024-01-27 23:10:06,131 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] total == 0 [2024-01-27 23:10:06,131 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1 == 0 [2024-01-27 23:10:06,131 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1_front == 0 [2024-01-27 23:10:06,131 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] j == 0 [2024-01-27 23:10:06,132 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2_back == 0 [2024-01-27 23:10:06,132 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] i == 0 [2024-01-27 23:10:06,132 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2_front == 0 [2024-01-27 23:10:06,132 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,133 INFO L98 nessWitnessExtractor]: Loop invariant at [L158-L160] total == 0 [2024-01-27 23:10:06,133 INFO L98 nessWitnessExtractor]: Loop invariant at [L158-L160] q2 == 0 [2024-01-27 23:10:06,133 INFO L98 nessWitnessExtractor]: Loop invariant at [L158-L160] j == 0 [2024-01-27 23:10:06,134 INFO L98 nessWitnessExtractor]: Loop invariant at [L158-L160] i == 0 [2024-01-27 23:10:06,134 INFO L98 nessWitnessExtractor]: Loop invariant at [L158-L160] (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 23:10:06,135 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] j == 0 [2024-01-27 23:10:06,135 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] total == 0 [2024-01-27 23:10:06,135 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] i == 0 [2024-01-27 23:10:06,136 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] q2 == 0 [2024-01-27 23:10:06,136 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] 0 <= i [2024-01-27 23:10:06,136 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] 0 <= j [2024-01-27 23:10:06,136 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] b != 0 [2024-01-27 23:10:06,137 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] 1 <= b [2024-01-27 23:10:06,137 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] 0 <= i [2024-01-27 23:10:06,137 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] 0 <= j [2024-01-27 23:10:06,137 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,137 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,137 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] 0 <= i [2024-01-27 23:10:06,138 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] 0 <= j [2024-01-27 23:10:06,138 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,138 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] q2 == 0 [2024-01-27 23:10:06,138 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] total == 0 [2024-01-27 23:10:06,138 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] N == 0 [2024-01-27 23:10:06,138 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] q2_front == 0 [2024-01-27 23:10:06,139 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] i == 0 [2024-01-27 23:10:06,139 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] q1_front == 0 [2024-01-27 23:10:06,139 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] q2_back == 0 [2024-01-27 23:10:06,139 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] q1_back == 0 [2024-01-27 23:10:06,139 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] j == 0 [2024-01-27 23:10:06,139 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] n1 == 0 [2024-01-27 23:10:06,139 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] n2 == 0 [2024-01-27 23:10:06,140 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] q1 == 0 [2024-01-27 23:10:06,140 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] q1_front <= 2147483646 [2024-01-27 23:10:06,140 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] 0 <= j [2024-01-27 23:10:06,140 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,140 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] 0 <= i [2024-01-27 23:10:06,141 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] -2147483647 <= q1_back [2024-01-27 23:10:06,141 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,141 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] 0 <= j [2024-01-27 23:10:06,141 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] 0 <= i [2024-01-27 23:10:06,141 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,142 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] 0 <= i [2024-01-27 23:10:06,142 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] 0 <= j [2024-01-27 23:10:06,142 INFO L98 nessWitnessExtractor]: Location invariant before [L154-L154] i == 0 [2024-01-27 23:10:06,143 INFO L98 nessWitnessExtractor]: Location invariant before [L154-L154] q2 == 0 [2024-01-27 23:10:06,143 INFO L98 nessWitnessExtractor]: Location invariant before [L154-L154] j == 0 [2024-01-27 23:10:06,143 INFO L98 nessWitnessExtractor]: Location invariant before [L154-L154] total == 0 [2024-01-27 23:10:06,143 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,143 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] -2147483647 <= q2_front [2024-01-27 23:10:06,143 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] 0 <= j [2024-01-27 23:10:06,143 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] 0 <= i [2024-01-27 23:10:06,144 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= i [2024-01-27 23:10:06,144 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= j [2024-01-27 23:10:06,144 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,144 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] 0 <= j [2024-01-27 23:10:06,144 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,145 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] 0 <= i [2024-01-27 23:10:06,145 INFO L98 nessWitnessExtractor]: Location invariant before [L155-L155] q2 == 0 [2024-01-27 23:10:06,145 INFO L98 nessWitnessExtractor]: Location invariant before [L155-L155] total == 0 [2024-01-27 23:10:06,145 INFO L98 nessWitnessExtractor]: Location invariant before [L155-L155] j == 0 [2024-01-27 23:10:06,146 INFO L98 nessWitnessExtractor]: Location invariant before [L155-L155] i == 0 [2024-01-27 23:10:06,146 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,146 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] 0 <= j [2024-01-27 23:10:06,146 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] -2147483647 <= q1_back [2024-01-27 23:10:06,146 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] 1 <= i [2024-01-27 23:10:06,147 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,147 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= j [2024-01-27 23:10:06,147 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= i [2024-01-27 23:10:06,147 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,148 INFO L98 nessWitnessExtractor]: Loop invariant at [L89-L98] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,148 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] 0 <= i [2024-01-27 23:10:06,148 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,148 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] 0 <= j [2024-01-27 23:10:06,149 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,150 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= j [2024-01-27 23:10:06,151 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= i [2024-01-27 23:10:06,152 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,152 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q1_front == 0 [2024-01-27 23:10:06,153 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q2_front == 0 [2024-01-27 23:10:06,155 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q2_back == 0 [2024-01-27 23:10:06,155 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] n1 == 0 [2024-01-27 23:10:06,155 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] j == 0 [2024-01-27 23:10:06,155 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q1_back == 0 [2024-01-27 23:10:06,155 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] i == 0 [2024-01-27 23:10:06,155 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] n2 == 0 [2024-01-27 23:10:06,155 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q1 == 0 [2024-01-27 23:10:06,155 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q2 == 0 [2024-01-27 23:10:06,155 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] total == 0 [2024-01-27 23:10:06,155 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q2_front == 0 [2024-01-27 23:10:06,156 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q1 == 0 [2024-01-27 23:10:06,156 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q2 == 0 [2024-01-27 23:10:06,156 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] total == 0 [2024-01-27 23:10:06,156 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] i == 0 [2024-01-27 23:10:06,156 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q2_back == 0 [2024-01-27 23:10:06,156 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] j == 0 [2024-01-27 23:10:06,156 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] i == 0 [2024-01-27 23:10:06,156 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] q2 == 0 [2024-01-27 23:10:06,156 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] 0 <= i [2024-01-27 23:10:06,156 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] j == 0 [2024-01-27 23:10:06,156 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] total == 0 [2024-01-27 23:10:06,156 INFO L98 nessWitnessExtractor]: Location invariant before [L106-L106] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,156 INFO L98 nessWitnessExtractor]: Location invariant before [L106-L106] 0 <= i [2024-01-27 23:10:06,156 INFO L98 nessWitnessExtractor]: Location invariant before [L106-L106] 0 <= j [2024-01-27 23:10:06,156 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] 0 <= i [2024-01-27 23:10:06,157 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] 0 <= j [2024-01-27 23:10:06,157 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,157 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] 0 <= i [2024-01-27 23:10:06,157 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] 0 <= j [2024-01-27 23:10:06,157 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,157 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,157 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,157 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] 0 <= j [2024-01-27 23:10:06,157 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] 0 <= i [2024-01-27 23:10:06,157 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,157 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] 0 <= i [2024-01-27 23:10:06,157 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,157 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] -2147483647 <= q2_back [2024-01-27 23:10:06,157 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] 0 <= j [2024-01-27 23:10:06,157 INFO L98 nessWitnessExtractor]: Loop invariant at [L51-L61] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,157 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] C == 0 [2024-01-27 23:10:06,157 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q2_front == 0 [2024-01-27 23:10:06,158 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] N == 0 [2024-01-27 23:10:06,158 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] total == 0 [2024-01-27 23:10:06,158 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q1_back == 0 [2024-01-27 23:10:06,158 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q1_front == 0 [2024-01-27 23:10:06,158 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q2_back == 0 [2024-01-27 23:10:06,158 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] j == 0 [2024-01-27 23:10:06,158 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q1 == 0 [2024-01-27 23:10:06,158 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] i == 0 [2024-01-27 23:10:06,158 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q2 == 0 [2024-01-27 23:10:06,158 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] n2 == 0 [2024-01-27 23:10:06,158 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] n1 == 0 [2024-01-27 23:10:06,158 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] 0 <= i [2024-01-27 23:10:06,158 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] 0 <= j [2024-01-27 23:10:06,158 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= j [2024-01-27 23:10:06,158 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] -2147483647 <= q1_front [2024-01-27 23:10:06,158 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,158 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= i [2024-01-27 23:10:06,158 INFO L98 nessWitnessExtractor]: Location invariant before [L105-L105] 0 <= i [2024-01-27 23:10:06,159 INFO L98 nessWitnessExtractor]: Location invariant before [L105-L105] 0 <= j [2024-01-27 23:10:06,159 INFO L98 nessWitnessExtractor]: Location invariant before [L105-L105] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,159 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] -2147483647 <= q2_back [2024-01-27 23:10:06,159 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] q2_front <= 2147483646 [2024-01-27 23:10:06,159 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] 0 <= j [2024-01-27 23:10:06,159 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,159 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] 0 <= i [2024-01-27 23:10:06,159 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] i == 0 [2024-01-27 23:10:06,159 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q1 == 0 [2024-01-27 23:10:06,159 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] total == 0 [2024-01-27 23:10:06,159 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q2_front == 0 [2024-01-27 23:10:06,159 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q1_back == 0 [2024-01-27 23:10:06,159 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] j == 0 [2024-01-27 23:10:06,159 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q2_back == 0 [2024-01-27 23:10:06,159 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q2 == 0 [2024-01-27 23:10:06,159 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] 0 <= j [2024-01-27 23:10:06,159 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] 0 <= i [2024-01-27 23:10:06,160 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,160 INFO L98 nessWitnessExtractor]: Location invariant before [L118-L118] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,160 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= i [2024-01-27 23:10:06,160 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] -2147483647 <= q1_back [2024-01-27 23:10:06,160 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= j [2024-01-27 23:10:06,160 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-27 23:10:06,189 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 23:10:06,409 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c[4151,4164] [2024-01-27 23:10:06,429 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 23:10:06,452 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 23:10:06,469 WARN L424 MainDispatcher]: Unable to annotate extern int pthread_create (pthread_t *__restrict __newthread, const pthread_attr_t *__restrict __attr, void *(*__start_routine) (void *), void *__restrict __arg) __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1, 3))); with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-27 23:10:06,602 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c[4151,4164] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-27 23:10:06,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 23:10:06,630 INFO L206 MainTranslator]: Completed translation [2024-01-27 23:10:06,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:10:06 WrapperNode [2024-01-27 23:10:06,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 23:10:06,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 23:10:06,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 23:10:06,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 23:10:06,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:10:06" (1/1) ... [2024-01-27 23:10:06,650 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:10:06" (1/1) ... [2024-01-27 23:10:06,696 INFO L138 Inliner]: procedures = 27, calls = 76, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 632 [2024-01-27 23:10:06,698 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 23:10:06,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 23:10:06,699 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 23:10:06,699 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 23:10:06,712 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:10:06" (1/1) ... [2024-01-27 23:10:06,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:10:06" (1/1) ... [2024-01-27 23:10:06,719 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:10:06" (1/1) ... [2024-01-27 23:10:06,742 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 23:10:06,744 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:10:06" (1/1) ... [2024-01-27 23:10:06,744 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:10:06" (1/1) ... [2024-01-27 23:10:06,764 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:10:06" (1/1) ... [2024-01-27 23:10:06,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:10:06" (1/1) ... [2024-01-27 23:10:06,771 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:10:06" (1/1) ... [2024-01-27 23:10:06,774 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:10:06" (1/1) ... [2024-01-27 23:10:06,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 23:10:06,780 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 23:10:06,781 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 23:10:06,781 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 23:10:06,781 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:10:06" (1/1) ... [2024-01-27 23:10:06,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 23:10:06,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 23:10:06,829 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 23:10:06,837 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 23:10:06,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 23:10:06,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 23:10:06,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 23:10:06,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 23:10:06,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 23:10:06,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-27 23:10:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-27 23:10:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-01-27 23:10:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 23:10:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 23:10:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 23:10:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-27 23:10:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-27 23:10:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-01-27 23:10:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-27 23:10:06,893 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-27 23:10:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-27 23:10:06,893 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-27 23:10:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-27 23:10:06,893 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-27 23:10:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-27 23:10:06,894 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-27 23:10:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 23:10:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 23:10:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 23:10:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-27 23:10:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-27 23:10:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-01-27 23:10:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-27 23:10:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-27 23:10:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-27 23:10:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 23:10:06,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 23:10:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 23:10:06,897 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 23:10:07,038 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 23:10:07,041 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 23:10:07,966 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 23:10:07,966 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 23:10:08,849 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 23:10:08,850 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-01-27 23:10:08,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:10:08 BoogieIcfgContainer [2024-01-27 23:10:08,851 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 23:10:08,853 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 23:10:08,853 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 23:10:08,856 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 23:10:08,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:10:04" (1/4) ... [2024-01-27 23:10:08,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ccf158e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 11:10:08, skipping insertion in model container [2024-01-27 23:10:08,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 11:10:06" (2/4) ... [2024-01-27 23:10:08,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ccf158e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 11:10:08, skipping insertion in model container [2024-01-27 23:10:08,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:10:06" (3/4) ... [2024-01-27 23:10:08,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ccf158e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 11:10:08, skipping insertion in model container [2024-01-27 23:10:08,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:10:08" (4/4) ... [2024-01-27 23:10:08,860 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult2.wvr.c [2024-01-27 23:10:08,877 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 23:10:08,877 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 317 error locations. [2024-01-27 23:10:08,877 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 23:10:09,071 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-27 23:10:09,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 556 places, 549 transitions, 1126 flow [2024-01-27 23:10:09,356 INFO L124 PetriNetUnfolderBase]: 6/545 cut-off events. [2024-01-27 23:10:09,357 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-27 23:10:09,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 562 conditions, 545 events. 6/545 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1766 event pairs, 0 based on Foata normal form. 0/222 useless extension candidates. Maximal degree in co-relation 484. Up to 2 conditions per place. [2024-01-27 23:10:09,365 INFO L82 GeneralOperation]: Start removeDead. Operand has 556 places, 549 transitions, 1126 flow [2024-01-27 23:10:09,381 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 551 places, 544 transitions, 1112 flow [2024-01-27 23:10:09,394 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 23:10:09,402 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;@2b59c2b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 23:10:09,402 INFO L358 AbstractCegarLoop]: Starting to check reachability of 479 error locations. [2024-01-27 23:10:09,404 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 23:10:09,404 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 23:10:09,405 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 23:10:09,405 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:10:09,405 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 23:10:09,406 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 476 more)] === [2024-01-27 23:10:09,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:10:09,413 INFO L85 PathProgramCache]: Analyzing trace with hash 82392, now seen corresponding path program 1 times [2024-01-27 23:10:09,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:10:09,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003755634] [2024-01-27 23:10:09,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:10:09,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:10:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:10:09,707 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 23:10:09,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:10:09,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003755634] [2024-01-27 23:10:09,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003755634] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:10:09,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:10:09,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:10:09,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647571092] [2024-01-27 23:10:09,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:10:09,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:10:09,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:10:09,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:10:09,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:10:09,810 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 347 out of 549 [2024-01-27 23:10:09,815 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 544 transitions, 1112 flow. Second operand has 3 states, 3 states have (on average 347.6666666666667) internal successors, (1043), 3 states have internal predecessors, (1043), 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 23:10:09,815 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:10:09,815 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 347 of 549 [2024-01-27 23:10:09,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand