./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 27552612 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-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-2755261-m [2024-01-26 15:21:44,039 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 15:21:44,100 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-26 15:21:44,104 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 15:21:44,105 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 15:21:44,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 15:21:44,135 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 15:21:44,135 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 15:21:44,135 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-26 15:21:44,138 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-26 15:21:44,139 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 15:21:44,139 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 15:21:44,140 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 15:21:44,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 15:21:44,141 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 15:21:44,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 15:21:44,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 15:21:44,141 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 15:21:44,142 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 15:21:44,142 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 15:21:44,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 15:21:44,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 15:21:44,143 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 15:21:44,143 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 15:21:44,143 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-26 15:21:44,143 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 15:21:44,144 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 15:21:44,144 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 15:21:44,144 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 15:21:44,144 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 15:21:44,145 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-26 15:21:44,145 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 15:21:44,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-26 15:21:44,146 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 15:21:44,146 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 15:21:44,146 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-26 15:21:44,146 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 15:21:44,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 15:21:44,147 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 15:21:44,147 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-26 15:21:44,147 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 15:21:44,147 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-26 15:21:44,147 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-26 15:21:44,148 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-26 15:21:44,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 15:21:44,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 15:21:44,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 15:21:44,389 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-26 15:21:44,389 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-26 15:21:44,391 INFO L431 ainManager$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 [2024-01-26 15:21:44,543 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 15:21:44,543 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 15:21:44,543 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c [2024-01-26 15:21:45,552 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 15:21:45,705 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 15:21:45,705 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c [2024-01-26 15:21:45,711 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56b01ef16/bc38608d24214402ade29e7fb653e3e9/FLAGcf1c32ec2 [2024-01-26 15:21:45,721 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56b01ef16/bc38608d24214402ade29e7fb653e3e9 [2024-01-26 15:21:45,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 15:21:45,722 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 15:21:45,723 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 15:21:45,723 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 15:21:45,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 15:21:45,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:21:44" (1/2) ... [2024-01-26 15:21:45,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@530d6c98 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:21:45, skipping insertion in model container [2024-01-26 15:21:45,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:21:44" (1/2) ... [2024-01-26 15:21:45,729 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@617981e8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:21:45, skipping insertion in model container [2024-01-26 15:21:45,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 03:21:45" (2/2) ... [2024-01-26 15:21:45,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@530d6c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:45, skipping insertion in model container [2024-01-26 15:21:45,730 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 03:21:45" (2/2) ... [2024-01-26 15:21:45,731 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-26 15:21:45,791 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-26 15:21:45,792 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,793 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,793 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] 0 <= i [2024-01-26 15:21:45,793 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] 0 <= j [2024-01-26 15:21:45,793 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] b != 0 [2024-01-26 15:21:45,794 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] b <= -1 [2024-01-26 15:21:45,794 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,794 INFO L98 nessWitnessExtractor]: Loop invariant at [L107-L116] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,794 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,794 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] 0 <= j [2024-01-26 15:21:45,794 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] 0 <= i [2024-01-26 15:21:45,794 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] b != 0 [2024-01-26 15:21:45,794 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] 1 <= b [2024-01-26 15:21:45,795 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,795 INFO L98 nessWitnessExtractor]: Location invariant before [L106-L106] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,795 INFO L98 nessWitnessExtractor]: Location invariant before [L106-L106] 0 <= i [2024-01-26 15:21:45,795 INFO L98 nessWitnessExtractor]: Location invariant before [L106-L106] 0 <= j [2024-01-26 15:21:45,795 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] 0 <= i [2024-01-26 15:21:45,795 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] 0 <= j [2024-01-26 15:21:45,795 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,796 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 0 <= j [2024-01-26 15:21:45,796 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 0 <= i [2024-01-26 15:21:45,796 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,796 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= i [2024-01-26 15:21:45,796 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,796 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= j [2024-01-26 15:21:45,797 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,797 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] -2147483647 <= q1_back [2024-01-26 15:21:45,797 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,797 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] q1_front <= 2147483646 [2024-01-26 15:21:45,797 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] 0 <= i [2024-01-26 15:21:45,797 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] 0 <= j [2024-01-26 15:21:45,797 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] 0 <= i [2024-01-26 15:21:45,797 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] 0 <= j [2024-01-26 15:21:45,798 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q2 == 0 [2024-01-26 15:21:45,798 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] n2 == 0 [2024-01-26 15:21:45,798 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q1_front == 0 [2024-01-26 15:21:45,798 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] j == 0 [2024-01-26 15:21:45,799 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q2_back == 0 [2024-01-26 15:21:45,799 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] total == 0 [2024-01-26 15:21:45,799 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q1 == 0 [2024-01-26 15:21:45,800 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q1_back == 0 [2024-01-26 15:21:45,800 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] i == 0 [2024-01-26 15:21:45,800 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q2_front == 0 [2024-01-26 15:21:45,800 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] i == 0 [2024-01-26 15:21:45,800 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) [2024-01-26 15:21:45,800 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] total == 0 [2024-01-26 15:21:45,800 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] size != 0 [2024-01-26 15:21:45,801 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] q2 == 0 [2024-01-26 15:21:45,801 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] j == 0 [2024-01-26 15:21:45,801 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] 0 <= i [2024-01-26 15:21:45,801 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,801 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] 0 <= j [2024-01-26 15:21:45,802 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q2 == 0 [2024-01-26 15:21:45,802 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q2_front == 0 [2024-01-26 15:21:45,802 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q1 == 0 [2024-01-26 15:21:45,802 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] j == 0 [2024-01-26 15:21:45,803 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q2_back == 0 [2024-01-26 15:21:45,803 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q1_back == 0 [2024-01-26 15:21:45,803 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] i == 0 [2024-01-26 15:21:45,803 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] total == 0 [2024-01-26 15:21:45,803 INFO L98 nessWitnessExtractor]: Location invariant before [L118-L118] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,804 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,804 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q1 == 0 [2024-01-26 15:21:45,804 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] i == 0 [2024-01-26 15:21:45,804 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q2_front == 0 [2024-01-26 15:21:45,804 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q2_back == 0 [2024-01-26 15:21:45,804 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q2 == 0 [2024-01-26 15:21:45,804 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] j == 0 [2024-01-26 15:21:45,804 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] total == 0 [2024-01-26 15:21:45,804 INFO L98 nessWitnessExtractor]: Loop invariant at [L89-L98] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,805 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] 0 <= i [2024-01-26 15:21:45,805 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,805 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] 0 <= q2_back [2024-01-26 15:21:45,805 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] 0 <= j [2024-01-26 15:21:45,805 INFO L98 nessWitnessExtractor]: Location invariant before [L105-L105] 0 <= j [2024-01-26 15:21:45,805 INFO L98 nessWitnessExtractor]: Location invariant before [L105-L105] 0 <= i [2024-01-26 15:21:45,806 INFO L98 nessWitnessExtractor]: Location invariant before [L105-L105] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,806 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2 == 0 [2024-01-26 15:21:45,806 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] i == 0 [2024-01-26 15:21:45,806 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] j == 0 [2024-01-26 15:21:45,806 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1 == 0 [2024-01-26 15:21:45,806 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] total == 0 [2024-01-26 15:21:45,806 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,807 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] total == 0 [2024-01-26 15:21:45,807 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] j == 0 [2024-01-26 15:21:45,807 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] i == 0 [2024-01-26 15:21:45,807 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,807 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,807 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,807 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] j == 0 [2024-01-26 15:21:45,807 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] total == 0 [2024-01-26 15:21:45,808 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] -2147483647 <= C [2024-01-26 15:21:45,808 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] i == 0 [2024-01-26 15:21:45,808 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,808 INFO L98 nessWitnessExtractor]: Loop invariant at [L51-L61] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,808 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= j [2024-01-26 15:21:45,808 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,808 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= i [2024-01-26 15:21:45,808 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] j == 0 [2024-01-26 15:21:45,809 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] i == 0 [2024-01-26 15:21:45,809 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] total == 0 [2024-01-26 15:21:45,809 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] q2 == 0 [2024-01-26 15:21:45,809 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= j [2024-01-26 15:21:45,809 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] -2147483647 <= q1_front [2024-01-26 15:21:45,809 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= i [2024-01-26 15:21:45,810 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,810 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] 0 <= i [2024-01-26 15:21:45,810 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] 0 <= j [2024-01-26 15:21:45,811 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,811 INFO L98 nessWitnessExtractor]: Loop invariant at [L70-L80] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,811 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] 0 <= j [2024-01-26 15:21:45,811 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] 0 <= i [2024-01-26 15:21:45,812 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,812 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,812 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= i [2024-01-26 15:21:45,812 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] -2147483647 <= q1_back [2024-01-26 15:21:45,812 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= j [2024-01-26 15:21:45,812 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q2_back == 0 [2024-01-26 15:21:45,813 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q2 == 0 [2024-01-26 15:21:45,813 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q2_front == 0 [2024-01-26 15:21:45,813 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q1_back == 0 [2024-01-26 15:21:45,813 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] total == 0 [2024-01-26 15:21:45,813 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] n2 == 0 [2024-01-26 15:21:45,813 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q1_front == 0 [2024-01-26 15:21:45,813 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] i == 0 [2024-01-26 15:21:45,813 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] j == 0 [2024-01-26 15:21:45,814 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] n1 == 0 [2024-01-26 15:21:45,814 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q1 == 0 [2024-01-26 15:21:45,814 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= j [2024-01-26 15:21:45,814 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= i [2024-01-26 15:21:45,814 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,814 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] 0 <= j [2024-01-26 15:21:45,814 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] -2147483647 <= q2_front [2024-01-26 15:21:45,814 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] 0 <= i [2024-01-26 15:21:45,815 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,815 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] 0 <= i [2024-01-26 15:21:45,815 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] 0 <= j [2024-01-26 15:21:45,815 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,815 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] 0 <= j [2024-01-26 15:21:45,815 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] 0 <= i [2024-01-26 15:21:45,816 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,816 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,816 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] 0 <= j [2024-01-26 15:21:45,816 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] 0 <= i [2024-01-26 15:21:45,816 INFO L98 nessWitnessExtractor]: Location invariant before [L155-L155] j == 0 [2024-01-26 15:21:45,817 INFO L98 nessWitnessExtractor]: Location invariant before [L155-L155] total == 0 [2024-01-26 15:21:45,817 INFO L98 nessWitnessExtractor]: Location invariant before [L155-L155] i == 0 [2024-01-26 15:21:45,817 INFO L98 nessWitnessExtractor]: Location invariant before [L155-L155] q2 == 0 [2024-01-26 15:21:45,817 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= i [2024-01-26 15:21:45,818 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= j [2024-01-26 15:21:45,818 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,818 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,818 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,818 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] 0 <= i [2024-01-26 15:21:45,818 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] 0 <= j [2024-01-26 15:21:45,818 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1_front == 0 [2024-01-26 15:21:45,818 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2_front == 0 [2024-01-26 15:21:45,818 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] i == 0 [2024-01-26 15:21:45,818 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] j == 0 [2024-01-26 15:21:45,819 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] total == 0 [2024-01-26 15:21:45,819 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1_back == 0 [2024-01-26 15:21:45,819 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2 == 0 [2024-01-26 15:21:45,819 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2_back == 0 [2024-01-26 15:21:45,819 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1 == 0 [2024-01-26 15:21:45,820 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= q1_back [2024-01-26 15:21:45,820 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= i [2024-01-26 15:21:45,820 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= j [2024-01-26 15:21:45,820 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,820 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] n1 == 0 [2024-01-26 15:21:45,820 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] q1_front == 0 [2024-01-26 15:21:45,821 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] j == 0 [2024-01-26 15:21:45,821 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] n2 == 0 [2024-01-26 15:21:45,821 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] total == 0 [2024-01-26 15:21:45,821 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] i == 0 [2024-01-26 15:21:45,821 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] q1_back == 0 [2024-01-26 15:21:45,821 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] q2_back == 0 [2024-01-26 15:21:45,822 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] N == 0 [2024-01-26 15:21:45,822 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] q2 == 0 [2024-01-26 15:21:45,822 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] q2_front == 0 [2024-01-26 15:21:45,823 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] q1 == 0 [2024-01-26 15:21:45,825 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= j [2024-01-26 15:21:45,825 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= i [2024-01-26 15:21:45,825 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,825 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] i == 0 [2024-01-26 15:21:45,825 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] total == 0 [2024-01-26 15:21:45,825 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] j == 0 [2024-01-26 15:21:45,826 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] q2 == 0 [2024-01-26 15:21:45,826 INFO L98 nessWitnessExtractor]: Location invariant before [L154-L154] j == 0 [2024-01-26 15:21:45,826 INFO L98 nessWitnessExtractor]: Location invariant before [L154-L154] q2 == 0 [2024-01-26 15:21:45,826 INFO L98 nessWitnessExtractor]: Location invariant before [L154-L154] i == 0 [2024-01-26 15:21:45,826 INFO L98 nessWitnessExtractor]: Location invariant before [L154-L154] total == 0 [2024-01-26 15:21:45,826 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,826 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] 0 <= j [2024-01-26 15:21:45,826 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,826 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] -2147483647 <= q2_back [2024-01-26 15:21:45,827 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] 0 <= i [2024-01-26 15:21:45,827 INFO L98 nessWitnessExtractor]: Loop invariant at [L158-L160] i == 0 [2024-01-26 15:21:45,827 INFO L98 nessWitnessExtractor]: Loop invariant at [L158-L160] j == 0 [2024-01-26 15:21:45,827 INFO L98 nessWitnessExtractor]: Loop invariant at [L158-L160] q2 == 0 [2024-01-26 15:21:45,827 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) [2024-01-26 15:21:45,827 INFO L98 nessWitnessExtractor]: Loop invariant at [L158-L160] total == 0 [2024-01-26 15:21:45,827 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] 0 <= i [2024-01-26 15:21:45,827 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] 0 <= j [2024-01-26 15:21:45,828 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,828 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] 0 <= j [2024-01-26 15:21:45,828 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,828 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] 0 <= i [2024-01-26 15:21:45,828 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] 0 <= j [2024-01-26 15:21:45,828 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,829 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] 0 <= i [2024-01-26 15:21:45,829 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= i [2024-01-26 15:21:45,829 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,829 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= j [2024-01-26 15:21:45,830 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] n2 == 0 [2024-01-26 15:21:45,830 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] C == 0 [2024-01-26 15:21:45,830 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] n1 == 0 [2024-01-26 15:21:45,830 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] N == 0 [2024-01-26 15:21:45,830 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q2_front == 0 [2024-01-26 15:21:45,831 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q1_back == 0 [2024-01-26 15:21:45,831 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] j == 0 [2024-01-26 15:21:45,831 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q1 == 0 [2024-01-26 15:21:45,831 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q1_front == 0 [2024-01-26 15:21:45,831 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] i == 0 [2024-01-26 15:21:45,831 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] total == 0 [2024-01-26 15:21:45,831 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q2_back == 0 [2024-01-26 15:21:45,832 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q2 == 0 [2024-01-26 15:21:45,832 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] i == 0 [2024-01-26 15:21:45,834 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2 == 0 [2024-01-26 15:21:45,834 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] total == 0 [2024-01-26 15:21:45,835 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] j == 0 [2024-01-26 15:21:45,835 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] 0 <= i [2024-01-26 15:21:45,835 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] 0 <= j [2024-01-26 15:21:45,835 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,836 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] 0 <= j [2024-01-26 15:21:45,836 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] q2_front <= 2147483646 [2024-01-26 15:21:45,836 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,836 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] -2147483647 <= q2_back [2024-01-26 15:21:45,836 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] 0 <= i [2024-01-26 15:21:45,836 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] 0 <= i [2024-01-26 15:21:45,836 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] q2 == 0 [2024-01-26 15:21:45,836 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] i == 0 [2024-01-26 15:21:45,837 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] total == 0 [2024-01-26 15:21:45,837 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] j == 0 [2024-01-26 15:21:45,837 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,837 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= i [2024-01-26 15:21:45,837 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,837 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] -2147483647 <= q2_back [2024-01-26 15:21:45,837 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 1 <= j [2024-01-26 15:21:45,837 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] 0 <= i [2024-01-26 15:21:45,837 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,837 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] 0 <= j [2024-01-26 15:21:45,838 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= j [2024-01-26 15:21:45,838 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= i [2024-01-26 15:21:45,838 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,839 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] 0 <= j [2024-01-26 15:21:45,839 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,840 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] -2147483647 <= q1_back [2024-01-26 15:21:45,840 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] 1 <= i [2024-01-26 15:21:45,840 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] total == 0 [2024-01-26 15:21:45,840 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2 == 0 [2024-01-26 15:21:45,840 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1 == 0 [2024-01-26 15:21:45,840 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] j == 0 [2024-01-26 15:21:45,840 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2_back == 0 [2024-01-26 15:21:45,841 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] i == 0 [2024-01-26 15:21:45,841 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] 0 <= i [2024-01-26 15:21:45,841 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] 0 <= j [2024-01-26 15:21:45,841 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-01-26 15:21:45,871 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 15:21:46,006 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] [2024-01-26 15:21:46,014 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 15:21:46,028 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 15:21:46,036 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 [2024-01-26 15:21:46,132 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 [2024-01-26 15:21:46,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 15:21:46,168 INFO L206 MainTranslator]: Completed translation [2024-01-26 15:21:46,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:46 WrapperNode [2024-01-26 15:21:46,171 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 15:21:46,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 15:21:46,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 15:21:46,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 15:21:46,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:46" (1/1) ... [2024-01-26 15:21:46,198 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:46" (1/1) ... [2024-01-26 15:21:46,249 INFO L138 Inliner]: procedures = 27, calls = 76, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 632 [2024-01-26 15:21:46,254 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 15:21:46,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 15:21:46,255 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 15:21:46,255 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 15:21:46,263 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:46" (1/1) ... [2024-01-26 15:21:46,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:46" (1/1) ... [2024-01-26 15:21:46,275 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:46" (1/1) ... [2024-01-26 15:21:46,291 INFO L175 MemorySlicer]: Split 16 memory accesses to 6 slices as follows [2, 6, 2, 2, 2, 2]. 38 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 6 writes are split as follows [0, 2, 1, 1, 1, 1]. [2024-01-26 15:21:46,291 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:46" (1/1) ... [2024-01-26 15:21:46,291 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:46" (1/1) ... [2024-01-26 15:21:46,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:46" (1/1) ... [2024-01-26 15:21:46,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:46" (1/1) ... [2024-01-26 15:21:46,309 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:46" (1/1) ... [2024-01-26 15:21:46,314 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:46" (1/1) ... [2024-01-26 15:21:46,318 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 15:21:46,318 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 15:21:46,318 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 15:21:46,318 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 15:21:46,319 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:46" (1/1) ... [2024-01-26 15:21:46,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-26 15:21:46,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-26 15:21:46,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-26 15:21:46,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-26 15:21:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 15:21:46,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 15:21:46,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-26 15:21:46,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-26 15:21:46,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-26 15:21:46,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-26 15:21:46,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-26 15:21:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-01-26 15:21:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-26 15:21:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-26 15:21:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-26 15:21:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-26 15:21:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-26 15:21:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-01-26 15:21:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 15:21:46,409 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 15:21:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 15:21:46,410 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 15:21:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-26 15:21:46,410 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-26 15:21:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-26 15:21:46,410 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-26 15:21:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-26 15:21:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-26 15:21:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-26 15:21:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-26 15:21:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-26 15:21:46,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-01-26 15:21:46,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-26 15:21:46,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-26 15:21:46,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-26 15:21:46,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 15:21:46,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 15:21:46,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 15:21:46,413 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-26 15:21:46,556 INFO L244 CfgBuilder]: Building ICFG [2024-01-26 15:21:46,562 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 15:21:47,316 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-26 15:21:47,317 INFO L293 CfgBuilder]: Performing block encoding [2024-01-26 15:21:48,018 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 15:21:48,019 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-01-26 15:21:48,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 03:21:48 BoogieIcfgContainer [2024-01-26 15:21:48,024 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 15:21:48,025 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 15:21:48,025 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 15:21:48,028 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 15:21:48,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:21:44" (1/4) ... [2024-01-26 15:21:48,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b22b16c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.01 03:21:48, skipping insertion in model container [2024-01-26 15:21:48,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 03:21:45" (2/4) ... [2024-01-26 15:21:48,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b22b16c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 03:21:48, skipping insertion in model container [2024-01-26 15:21:48,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:21:46" (3/4) ... [2024-01-26 15:21:48,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b22b16c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 03:21:48, skipping insertion in model container [2024-01-26 15:21:48,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 03:21:48" (4/4) ... [2024-01-26 15:21:48,030 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult2.wvr.c [2024-01-26 15:21:48,044 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 15:21:48,045 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 317 error locations. [2024-01-26 15:21:48,045 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 15:21:48,199 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-26 15:21:48,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 556 places, 549 transitions, 1126 flow [2024-01-26 15:21:48,366 INFO L124 PetriNetUnfolderBase]: 6/545 cut-off events. [2024-01-26 15:21:48,366 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-26 15:21:48,374 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. [2024-01-26 15:21:48,375 INFO L82 GeneralOperation]: Start removeDead. Operand has 556 places, 549 transitions, 1126 flow [2024-01-26 15:21:48,389 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 551 places, 544 transitions, 1112 flow [2024-01-26 15:21:48,400 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-26 15:21:48,407 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;@52603df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 15:21:48,407 INFO L358 AbstractCegarLoop]: Starting to check reachability of 479 error locations. [2024-01-26 15:21:48,409 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-26 15:21:48,409 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-26 15:21:48,409 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-26 15:21:48,410 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:21:48,410 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-26 15:21:48,410 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 476 more)] === [2024-01-26 15:21:48,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:21:48,416 INFO L85 PathProgramCache]: Analyzing trace with hash 82392, now seen corresponding path program 1 times [2024-01-26 15:21:48,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:21:48,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288206175] [2024-01-26 15:21:48,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:21:48,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:21:48,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:21:48,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:21:48,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:21:48,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288206175] [2024-01-26 15:21:48,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288206175] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:21:48,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:21:48,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-26 15:21:48,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752518120] [2024-01-26 15:21:48,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:21:48,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:21:48,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:21:48,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:21:48,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:21:48,696 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 549 [2024-01-26 15:21:48,701 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 544 transitions, 1112 flow. Second operand has 3 states, 3 states have (on average 308.6666666666667) internal successors, (926), 3 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:21:48,701 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:21:48,701 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 549 [2024-01-26 15:21:48,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand