./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.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-series.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ab2e0ac4 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-more-buffer-series.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-ab2e0ac-m [2024-01-29 14:39:45,759 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 14:39:45,815 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 14:39:45,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 14:39:45,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 14:39:45,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 14:39:45,843 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 14:39:45,843 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 14:39:45,844 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 14:39:45,847 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 14:39:45,847 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 14:39:45,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 14:39:45,848 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 14:39:45,849 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 14:39:45,849 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 14:39:45,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 14:39:45,850 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 14:39:45,850 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 14:39:45,850 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 14:39:45,850 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 14:39:45,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 14:39:45,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 14:39:45,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 14:39:45,852 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 14:39:45,852 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 14:39:45,853 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 14:39:45,853 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 14:39:45,853 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 14:39:45,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 14:39:45,854 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 14:39:45,854 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 14:39:45,855 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 14:39:45,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:39:45,855 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 14:39:45,855 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 14:39:45,855 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 14:39:45,855 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 14:39:45,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 14:39:45,856 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 14:39:45,856 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 14:39:45,856 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 14:39:45,856 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 14:39:45,857 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 14:39:45,857 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 14:39:46,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 14:39:46,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 14:39:46,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 14:39:46,110 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 14:39:46,111 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 14:39:46,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2024-01-29 14:39:47,117 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 14:39:47,373 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 14:39:47,375 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2024-01-29 14:39:47,389 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e63fac130/08c0c9e5080848bdaddc478882af497d/FLAGbb7b62468 [2024-01-29 14:39:47,402 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e63fac130/08c0c9e5080848bdaddc478882af497d [2024-01-29 14:39:47,404 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 14:39:47,405 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 14:39:47,407 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-more-buffer-series.wvr.yml/witness.yml [2024-01-29 14:39:47,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 14:39:47,578 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 14:39:47,580 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 14:39:47,581 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 14:39:47,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 14:39:47,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:39:47" (1/2) ... [2024-01-29 14:39:47,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@702feabf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:47, skipping insertion in model container [2024-01-29 14:39:47,587 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:39:47" (1/2) ... [2024-01-29 14:39:47,589 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7270b307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:47, skipping insertion in model container [2024-01-29 14:39:47,589 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:39:47" (2/2) ... [2024-01-29 14:39:47,589 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@702feabf and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:47, skipping insertion in model container [2024-01-29 14:39:47,590 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:39:47" (2/2) ... [2024-01-29 14:39:47,590 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 14:39:47,659 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 14:39:47,660 INFO L98 nessWitnessExtractor]: Location invariant before [L162-L162] total == 0 [2024-01-29 14:39:47,660 INFO L98 nessWitnessExtractor]: Location invariant before [L162-L162] f == 0 [2024-01-29 14:39:47,660 INFO L98 nessWitnessExtractor]: Location invariant before [L162-L162] i == 0 [2024-01-29 14:39:47,661 INFO L98 nessWitnessExtractor]: Location invariant before [L162-L162] j == 0 [2024-01-29 14:39:47,661 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,661 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] j == 0 [2024-01-29 14:39:47,661 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] n2 == 0 [2024-01-29 14:39:47,661 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2_front == 0 [2024-01-29 14:39:47,661 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] n1 == 0 [2024-01-29 14:39:47,662 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1_front == 0 [2024-01-29 14:39:47,662 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] f == 0 [2024-01-29 14:39:47,662 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] total == 0 [2024-01-29 14:39:47,662 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1 == 0 [2024-01-29 14:39:47,662 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] i == 0 [2024-01-29 14:39:47,662 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1_back == 0 [2024-01-29 14:39:47,662 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2_back == 0 [2024-01-29 14:39:47,662 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2 == 0 [2024-01-29 14:39:47,663 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= j [2024-01-29 14:39:47,663 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= i [2024-01-29 14:39:47,663 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,663 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] i == 0 [2024-01-29 14:39:47,663 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] j == 0 [2024-01-29 14:39:47,664 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] size != 0 [2024-01-29 14:39:47,664 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] (((((((((8 <= i && 9 <= size) && i <= 2147483646) || (8 <= size && i == 7)) || (7 <= size && i == 6)) || (6 <= size && i == 5)) || (5 <= size && i == 4)) || (4 <= size && i == 3)) || (3 <= size && i == 2)) || (2 <= size && i == 1)) || ((1 <= size && 0 == i) && i == 0) [2024-01-29 14:39:47,664 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] f == 0 [2024-01-29 14:39:47,664 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] total == 0 [2024-01-29 14:39:47,664 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,664 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= i [2024-01-29 14:39:47,665 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= j [2024-01-29 14:39:47,665 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,665 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= i [2024-01-29 14:39:47,665 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= j [2024-01-29 14:39:47,665 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,665 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] 0 <= j [2024-01-29 14:39:47,666 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] 0 <= i [2024-01-29 14:39:47,666 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] i == 0 [2024-01-29 14:39:47,667 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] q1 == 0 [2024-01-29 14:39:47,667 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] q2_back == 0 [2024-01-29 14:39:47,668 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] q2 == 0 [2024-01-29 14:39:47,668 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] j == 0 [2024-01-29 14:39:47,668 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] f == 0 [2024-01-29 14:39:47,668 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] total == 0 [2024-01-29 14:39:47,668 INFO L98 nessWitnessExtractor]: Location invariant before [L142-L142] total == 0 [2024-01-29 14:39:47,669 INFO L98 nessWitnessExtractor]: Location invariant before [L142-L142] i == 0 [2024-01-29 14:39:47,669 INFO L98 nessWitnessExtractor]: Location invariant before [L142-L142] j == 0 [2024-01-29 14:39:47,669 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,669 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,669 INFO L98 nessWitnessExtractor]: Location invariant before [L145-L145] j == 0 [2024-01-29 14:39:47,669 INFO L98 nessWitnessExtractor]: Location invariant before [L145-L145] i == 0 [2024-01-29 14:39:47,670 INFO L98 nessWitnessExtractor]: Location invariant before [L145-L145] total == 0 [2024-01-29 14:39:47,670 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] 0 <= i [2024-01-29 14:39:47,670 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] 0 <= j [2024-01-29 14:39:47,670 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,671 INFO L98 nessWitnessExtractor]: Loop invariant at [L165-L167] i == 0 [2024-01-29 14:39:47,671 INFO L98 nessWitnessExtractor]: Loop invariant at [L165-L167] f == 0 [2024-01-29 14:39:47,671 INFO L98 nessWitnessExtractor]: Loop invariant at [L165-L167] (size != 0 && ((((((((8 <= size && 8 <= i) || (7 <= size && i == 7)) || (6 <= size && i == 6)) || (5 <= size && i == 5)) || (4 <= size && i == 4)) || (3 <= size && i == 3)) || (2 <= size && i == 2)) || (1 <= size && i == 1))) || (0 == i && i == 0) [2024-01-29 14:39:47,671 INFO L98 nessWitnessExtractor]: Loop invariant at [L165-L167] j == 0 [2024-01-29 14:39:47,672 INFO L98 nessWitnessExtractor]: Loop invariant at [L165-L167] total == 0 [2024-01-29 14:39:47,672 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] f == 0 [2024-01-29 14:39:47,672 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] i == 0 [2024-01-29 14:39:47,672 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] total == 0 [2024-01-29 14:39:47,673 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] j == 0 [2024-01-29 14:39:47,673 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] 0 <= i [2024-01-29 14:39:47,673 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] 1 <= j [2024-01-29 14:39:47,673 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,673 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,673 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,673 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,673 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] 0 <= i [2024-01-29 14:39:47,674 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] 0 <= j [2024-01-29 14:39:47,674 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] 0 <= j [2024-01-29 14:39:47,674 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,674 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] 0 <= i [2024-01-29 14:39:47,674 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,674 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] 0 <= i [2024-01-29 14:39:47,674 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] -2147483647 <= q2_back [2024-01-29 14:39:47,674 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] 0 <= j [2024-01-29 14:39:47,675 INFO L98 nessWitnessExtractor]: Location invariant before [L120-L120] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,675 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] 0 <= j [2024-01-29 14:39:47,675 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] 0 <= i [2024-01-29 14:39:47,675 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,675 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] 0 <= i [2024-01-29 14:39:47,675 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,675 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] 0 <= j [2024-01-29 14:39:47,675 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,676 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= j [2024-01-29 14:39:47,676 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= i [2024-01-29 14:39:47,676 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,676 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,676 INFO L98 nessWitnessExtractor]: Location invariant before [L102-L102] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,676 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= j [2024-01-29 14:39:47,676 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= i [2024-01-29 14:39:47,676 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,677 INFO L98 nessWitnessExtractor]: Location invariant before [L164-L164] j == 0 [2024-01-29 14:39:47,677 INFO L98 nessWitnessExtractor]: Location invariant before [L164-L164] f == 0 [2024-01-29 14:39:47,677 INFO L98 nessWitnessExtractor]: Location invariant before [L164-L164] i == 0 [2024-01-29 14:39:47,677 INFO L98 nessWitnessExtractor]: Location invariant before [L164-L164] total == 0 [2024-01-29 14:39:47,677 INFO L98 nessWitnessExtractor]: Location invariant before [L119-L119] 0 <= i [2024-01-29 14:39:47,677 INFO L98 nessWitnessExtractor]: Location invariant before [L119-L119] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,677 INFO L98 nessWitnessExtractor]: Location invariant before [L119-L119] -2147483647 <= q2_front [2024-01-29 14:39:47,677 INFO L98 nessWitnessExtractor]: Location invariant before [L119-L119] 0 <= j [2024-01-29 14:39:47,677 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] f == 0 [2024-01-29 14:39:47,678 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] q1 == 0 [2024-01-29 14:39:47,678 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] q2_front == 0 [2024-01-29 14:39:47,678 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] q2 == 0 [2024-01-29 14:39:47,678 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] total == 0 [2024-01-29 14:39:47,679 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] q2_back == 0 [2024-01-29 14:39:47,679 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] j == 0 [2024-01-29 14:39:47,679 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] i == 0 [2024-01-29 14:39:47,680 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,681 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= j [2024-01-29 14:39:47,681 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= i [2024-01-29 14:39:47,681 INFO L98 nessWitnessExtractor]: Location invariant before [L172-L172] b <= -1 [2024-01-29 14:39:47,681 INFO L98 nessWitnessExtractor]: Location invariant before [L172-L172] 0 <= i [2024-01-29 14:39:47,681 INFO L98 nessWitnessExtractor]: Location invariant before [L172-L172] 0 <= j [2024-01-29 14:39:47,681 INFO L98 nessWitnessExtractor]: Location invariant before [L172-L172] b != 0 [2024-01-29 14:39:47,682 INFO L98 nessWitnessExtractor]: Loop invariant at [L96-L105] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,682 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,682 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] 0 <= i [2024-01-29 14:39:47,682 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] 0 <= j [2024-01-29 14:39:47,682 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] 0 <= j [2024-01-29 14:39:47,682 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] 0 <= i [2024-01-29 14:39:47,682 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,682 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] 0 <= i [2024-01-29 14:39:47,683 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] 0 <= j [2024-01-29 14:39:47,683 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,683 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,683 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] 0 <= j [2024-01-29 14:39:47,683 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] -2147483647 <= q1_front [2024-01-29 14:39:47,683 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] 0 <= i [2024-01-29 14:39:47,683 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,684 INFO L98 nessWitnessExtractor]: Loop invariant at [L73-L87] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,684 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 0 <= j [2024-01-29 14:39:47,684 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,684 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 1 <= i [2024-01-29 14:39:47,684 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,684 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= j [2024-01-29 14:39:47,684 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= i [2024-01-29 14:39:47,684 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] f == 0 [2024-01-29 14:39:47,684 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q1_back == 0 [2024-01-29 14:39:47,685 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2_front == 0 [2024-01-29 14:39:47,685 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] i == 0 [2024-01-29 14:39:47,685 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] total == 0 [2024-01-29 14:39:47,685 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q1_front == 0 [2024-01-29 14:39:47,685 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] j == 0 [2024-01-29 14:39:47,686 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q1 == 0 [2024-01-29 14:39:47,686 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2_back == 0 [2024-01-29 14:39:47,686 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] n2 == 0 [2024-01-29 14:39:47,686 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2 == 0 [2024-01-29 14:39:47,687 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] i == 0 [2024-01-29 14:39:47,687 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] q2 == 0 [2024-01-29 14:39:47,687 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] total == 0 [2024-01-29 14:39:47,687 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] f == 0 [2024-01-29 14:39:47,687 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] j == 0 [2024-01-29 14:39:47,687 INFO L98 nessWitnessExtractor]: Location invariant before [L118-L118] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,687 INFO L98 nessWitnessExtractor]: Location invariant before [L118-L118] 0 <= i [2024-01-29 14:39:47,687 INFO L98 nessWitnessExtractor]: Location invariant before [L118-L118] 0 <= j [2024-01-29 14:39:47,688 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,688 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] 0 <= i [2024-01-29 14:39:47,688 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] 0 <= j [2024-01-29 14:39:47,688 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,688 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] 0 <= j [2024-01-29 14:39:47,688 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,688 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] 0 <= i [2024-01-29 14:39:47,689 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] -2147483647 <= q1_back [2024-01-29 14:39:47,689 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] 0 <= i [2024-01-29 14:39:47,689 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] q1_front <= 2147483646 [2024-01-29 14:39:47,689 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] 0 <= j [2024-01-29 14:39:47,689 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,690 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,690 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] 0 <= q2_back [2024-01-29 14:39:47,690 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] 0 <= i [2024-01-29 14:39:47,690 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] 0 <= j [2024-01-29 14:39:47,690 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,690 INFO L98 nessWitnessExtractor]: Location invariant before [L173-L173] 0 <= j [2024-01-29 14:39:47,691 INFO L98 nessWitnessExtractor]: Location invariant before [L173-L173] 0 <= i [2024-01-29 14:39:47,691 INFO L98 nessWitnessExtractor]: Location invariant before [L173-L173] b != 0 [2024-01-29 14:39:47,691 INFO L98 nessWitnessExtractor]: Location invariant before [L173-L173] 1 <= b [2024-01-29 14:39:47,691 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] j == 0 [2024-01-29 14:39:47,692 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] i == 0 [2024-01-29 14:39:47,692 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] 0 <= i [2024-01-29 14:39:47,694 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] total == 0 [2024-01-29 14:39:47,694 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] f == 0 [2024-01-29 14:39:47,695 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,695 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= j [2024-01-29 14:39:47,699 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= i [2024-01-29 14:39:47,699 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] f == 0 [2024-01-29 14:39:47,699 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] i == 0 [2024-01-29 14:39:47,700 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] total == 0 [2024-01-29 14:39:47,700 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] j == 0 [2024-01-29 14:39:47,700 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= i [2024-01-29 14:39:47,700 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= j [2024-01-29 14:39:47,700 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,700 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] i == 0 [2024-01-29 14:39:47,700 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] total == 0 [2024-01-29 14:39:47,700 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] f == 0 [2024-01-29 14:39:47,700 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] j == 0 [2024-01-29 14:39:47,701 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] 0 <= j [2024-01-29 14:39:47,701 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,701 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] 0 <= i [2024-01-29 14:39:47,701 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,701 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] 0 <= j [2024-01-29 14:39:47,701 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] 0 <= i [2024-01-29 14:39:47,701 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= q1_back [2024-01-29 14:39:47,701 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= j [2024-01-29 14:39:47,701 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= i [2024-01-29 14:39:47,701 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,702 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q1_front == 0 [2024-01-29 14:39:47,702 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] i == 0 [2024-01-29 14:39:47,702 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q1 == 0 [2024-01-29 14:39:47,702 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] f == 0 [2024-01-29 14:39:47,703 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] j == 0 [2024-01-29 14:39:47,703 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] total == 0 [2024-01-29 14:39:47,703 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q2_back == 0 [2024-01-29 14:39:47,703 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q2 == 0 [2024-01-29 14:39:47,703 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q1_back == 0 [2024-01-29 14:39:47,703 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q2_front == 0 [2024-01-29 14:39:47,703 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= i [2024-01-29 14:39:47,703 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,703 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= j [2024-01-29 14:39:47,703 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,704 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,704 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] 0 <= i [2024-01-29 14:39:47,704 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] q2_front <= 2147483646 [2024-01-29 14:39:47,704 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,704 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] 0 <= j [2024-01-29 14:39:47,704 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] -2147483647 <= q2_back [2024-01-29 14:39:47,704 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,704 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= i [2024-01-29 14:39:47,704 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= j [2024-01-29 14:39:47,704 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,705 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,705 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] -2147483647 <= q1_back [2024-01-29 14:39:47,705 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] 0 <= i [2024-01-29 14:39:47,705 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,705 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] 0 <= j [2024-01-29 14:39:47,705 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] n1 == 0 [2024-01-29 14:39:47,705 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1_front == 0 [2024-01-29 14:39:47,705 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1_back == 0 [2024-01-29 14:39:47,705 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] i == 0 [2024-01-29 14:39:47,705 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] total == 0 [2024-01-29 14:39:47,706 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2 == 0 [2024-01-29 14:39:47,706 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] n2 == 0 [2024-01-29 14:39:47,706 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] N == 0 [2024-01-29 14:39:47,706 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2_front == 0 [2024-01-29 14:39:47,706 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1 == 0 [2024-01-29 14:39:47,706 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] j == 0 [2024-01-29 14:39:47,706 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] f == 0 [2024-01-29 14:39:47,706 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2_back == 0 [2024-01-29 14:39:47,706 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,706 INFO L98 nessWitnessExtractor]: Loop invariant at [L51-L64] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,707 INFO L98 nessWitnessExtractor]: Location invariant before [L174-L174] 0 <= i [2024-01-29 14:39:47,707 INFO L98 nessWitnessExtractor]: Location invariant before [L174-L174] 0 <= j [2024-01-29 14:39:47,707 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] 0 <= i [2024-01-29 14:39:47,707 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,709 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] 0 <= j [2024-01-29 14:39:47,709 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q1_back == 0 [2024-01-29 14:39:47,709 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q2 == 0 [2024-01-29 14:39:47,709 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q2_back == 0 [2024-01-29 14:39:47,709 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] i == 0 [2024-01-29 14:39:47,709 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] j == 0 [2024-01-29 14:39:47,709 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] f == 0 [2024-01-29 14:39:47,709 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q2_front == 0 [2024-01-29 14:39:47,710 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] total == 0 [2024-01-29 14:39:47,710 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q1 == 0 [2024-01-29 14:39:47,710 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] total == 0 [2024-01-29 14:39:47,710 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] f == 0 [2024-01-29 14:39:47,711 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] q1 == 0 [2024-01-29 14:39:47,711 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] j == 0 [2024-01-29 14:39:47,711 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] q2 == 0 [2024-01-29 14:39:47,711 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] i == 0 [2024-01-29 14:39:47,711 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,711 INFO L98 nessWitnessExtractor]: Location invariant before [L121-L121] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,711 INFO L98 nessWitnessExtractor]: Location invariant before [L121-L121] 0 <= j [2024-01-29 14:39:47,711 INFO L98 nessWitnessExtractor]: Location invariant before [L121-L121] 0 <= i [2024-01-29 14:39:47,711 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,712 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] 0 <= i [2024-01-29 14:39:47,712 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] 0 <= j [2024-01-29 14:39:47,712 INFO L98 nessWitnessExtractor]: Loop invariant at [L114-L123] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,712 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= i [2024-01-29 14:39:47,712 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= j [2024-01-29 14:39:47,712 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-01-29 14:39:47,741 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 14:39:47,869 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-series.wvr.c[4403,4416] [2024-01-29 14:39:47,875 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:39:47,881 INFO L202 MainTranslator]: Completed pre-run [2024-01-29 14:39:47,889 WARN L424 MainDispatcher]: Unable to annotate extern int pthread_create (pthread_t *__restrict __newthread, const pthread_attr_t *__restrict __attr, void *(*__start_routine) (void *), void *__restrict __arg) __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1, 3))); with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-29 14:39:47,968 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-series.wvr.c[4403,4416] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-29 14:39:47,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:39:47,988 INFO L206 MainTranslator]: Completed translation [2024-01-29 14:39:47,989 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:47 WrapperNode [2024-01-29 14:39:47,989 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 14:39:47,989 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 14:39:47,989 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 14:39:47,989 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 14:39:47,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:47" (1/1) ... [2024-01-29 14:39:48,002 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:47" (1/1) ... [2024-01-29 14:39:48,041 INFO L138 Inliner]: procedures = 27, calls = 87, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 727 [2024-01-29 14:39:48,041 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 14:39:48,042 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 14:39:48,042 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 14:39:48,042 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 14:39:48,049 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:47" (1/1) ... [2024-01-29 14:39:48,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:47" (1/1) ... [2024-01-29 14:39:48,053 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:47" (1/1) ... [2024-01-29 14:39:48,074 INFO L175 MemorySlicer]: Split 20 memory accesses to 6 slices as follows [2, 2, 2, 2, 2, 10]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 7 writes are split as follows [0, 1, 1, 1, 1, 3]. [2024-01-29 14:39:48,074 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:47" (1/1) ... [2024-01-29 14:39:48,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:47" (1/1) ... [2024-01-29 14:39:48,100 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:47" (1/1) ... [2024-01-29 14:39:48,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:47" (1/1) ... [2024-01-29 14:39:48,106 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:47" (1/1) ... [2024-01-29 14:39:48,107 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:47" (1/1) ... [2024-01-29 14:39:48,111 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 14:39:48,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 14:39:48,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 14:39:48,112 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 14:39:48,128 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:47" (1/1) ... [2024-01-29 14:39:48,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:39:48,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 14:39:48,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-29 14:39:48,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-29 14:39:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 14:39:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 14:39:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 14:39:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 14:39:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 14:39:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-29 14:39:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-29 14:39:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-01-29 14:39:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 14:39:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 14:39:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 14:39:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-29 14:39:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-29 14:39:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-01-29 14:39:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-29 14:39:48,207 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-29 14:39:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-29 14:39:48,212 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-29 14:39:48,212 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-29 14:39:48,212 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-29 14:39:48,212 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-29 14:39:48,212 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-29 14:39:48,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 14:39:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 14:39:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 14:39:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-29 14:39:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-29 14:39:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-01-29 14:39:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-29 14:39:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-29 14:39:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-29 14:39:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 14:39:48,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 14:39:48,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 14:39:48,215 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-29 14:39:48,361 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 14:39:48,396 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 14:39:49,215 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 14:39:49,215 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 14:39:49,758 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 14:39:49,758 INFO L320 CfgBuilder]: Removed 7 assume(true) statements. [2024-01-29 14:39:49,758 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:39:49 BoogieIcfgContainer [2024-01-29 14:39:49,758 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 14:39:49,760 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 14:39:49,760 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 14:39:49,762 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 14:39:49,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 02:39:47" (1/4) ... [2024-01-29 14:39:49,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd3aef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:39:49, skipping insertion in model container [2024-01-29 14:39:49,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:39:47" (2/4) ... [2024-01-29 14:39:49,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd3aef9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:39:49, skipping insertion in model container [2024-01-29 14:39:49,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:47" (3/4) ... [2024-01-29 14:39:49,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd3aef9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:39:49, skipping insertion in model container [2024-01-29 14:39:49,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:39:49" (4/4) ... [2024-01-29 14:39:49,795 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series.wvr.c [2024-01-29 14:39:49,809 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 14:39:49,810 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 364 error locations. [2024-01-29 14:39:49,810 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 14:39:49,961 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-29 14:39:50,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 640 places, 634 transitions, 1296 flow [2024-01-29 14:39:50,171 INFO L124 PetriNetUnfolderBase]: 7/630 cut-off events. [2024-01-29 14:39:50,171 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-29 14:39:50,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 647 conditions, 630 events. 7/630 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2081 event pairs, 0 based on Foata normal form. 0/259 useless extension candidates. Maximal degree in co-relation 569. Up to 2 conditions per place. [2024-01-29 14:39:50,179 INFO L82 GeneralOperation]: Start removeDead. Operand has 640 places, 634 transitions, 1296 flow [2024-01-29 14:39:50,194 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 635 places, 629 transitions, 1282 flow [2024-01-29 14:39:50,200 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 14:39:50,204 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;@575b0c31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 14:39:50,205 INFO L358 AbstractCegarLoop]: Starting to check reachability of 541 error locations. [2024-01-29 14:39:50,206 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 14:39:50,207 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 14:39:50,207 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:39:50,207 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:39:50,208 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 14:39:50,208 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 538 more)] === [2024-01-29 14:39:50,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:39:50,211 INFO L85 PathProgramCache]: Analyzing trace with hash 92186, now seen corresponding path program 1 times [2024-01-29 14:39:50,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:39:50,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031719318] [2024-01-29 14:39:50,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:39:50,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:39:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:39:50,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:39:50,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:39:50,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031719318] [2024-01-29 14:39:50,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031719318] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:39:50,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:39:50,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:39:50,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067322152] [2024-01-29 14:39:50,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:39:50,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:39:50,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:39:50,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:39:50,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:39:50,449 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 403 out of 634 [2024-01-29 14:39:50,454 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 635 places, 629 transitions, 1282 flow. Second operand has 3 states, 3 states have (on average 403.6666666666667) internal successors, (1211), 3 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:39:50,454 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:39:50,454 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 403 of 634 [2024-01-29 14:39:50,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand