./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 cb09d658 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-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-cb09d65-m [2024-01-27 23:29:41,255 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 23:29:41,314 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 23:29:41,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 23:29:41,317 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 23:29:41,334 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 23:29:41,337 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 23:29:41,337 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 23:29:41,337 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 23:29:41,338 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 23:29:41,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 23:29:41,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 23:29:41,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 23:29:41,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 23:29:41,342 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 23:29:41,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 23:29:41,343 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 23:29:41,343 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 23:29:41,343 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 23:29:41,344 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 23:29:41,344 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 23:29:41,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 23:29:41,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 23:29:41,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 23:29:41,345 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 23:29:41,345 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 23:29:41,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 23:29:41,346 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 23:29:41,346 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 23:29:41,346 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 23:29:41,346 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 23:29:41,347 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 23:29:41,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 23:29:41,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 23:29:41,347 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 23:29:41,348 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 23:29:41,348 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 23:29:41,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 23:29:41,348 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 23:29:41,349 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 23:29:41,349 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 23:29:41,349 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 23:29:41,349 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 23:29:41,350 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 23:29:41,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 23:29:41,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 23:29:41,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 23:29:41,590 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 23:29:41,590 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 23:29:41,591 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2024-01-27 23:29:42,668 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 23:29:42,819 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 23:29:42,820 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2024-01-27 23:29:42,826 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44f8c8f82/5f088461f297473990ed384a897223c8/FLAG7230e4c09 [2024-01-27 23:29:42,834 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44f8c8f82/5f088461f297473990ed384a897223c8 [2024-01-27 23:29:42,841 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 23:29:42,842 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 23:29:42,842 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-more-buffer-series.wvr.yml/witness.yml [2024-01-27 23:29:42,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 23:29:42,982 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 23:29:42,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 23:29:42,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 23:29:42,987 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 23:29:42,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:29:42" (1/2) ... [2024-01-27 23:29:42,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3622dc1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:29:42, skipping insertion in model container [2024-01-27 23:29:42,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:29:42" (1/2) ... [2024-01-27 23:29:42,989 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3958bc2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:29:42, skipping insertion in model container [2024-01-27 23:29:42,989 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:29:42" (2/2) ... [2024-01-27 23:29:42,990 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3622dc1e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:42, skipping insertion in model container [2024-01-27 23:29:42,990 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:29:42" (2/2) ... [2024-01-27 23:29:42,990 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 23:29:43,045 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 23:29:43,046 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] 0 <= i [2024-01-27 23:29:43,046 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,046 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] 0 <= j [2024-01-27 23:29:43,047 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] 0 <= j [2024-01-27 23:29:43,047 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] -2147483647 <= q2_back [2024-01-27 23:29:43,047 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] 0 <= i [2024-01-27 23:29:43,048 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,048 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= q1_back [2024-01-27 23:29:43,048 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,048 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= j [2024-01-27 23:29:43,048 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= i [2024-01-27 23:29:43,048 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,048 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,048 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,049 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,049 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,049 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] 0 <= j [2024-01-27 23:29:43,049 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] 0 <= i [2024-01-27 23:29:43,049 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q1_front == 0 [2024-01-27 23:29:43,049 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q2_back == 0 [2024-01-27 23:29:43,049 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q2 == 0 [2024-01-27 23:29:43,050 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] j == 0 [2024-01-27 23:29:43,050 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] i == 0 [2024-01-27 23:29:43,050 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q1_back == 0 [2024-01-27 23:29:43,050 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q1 == 0 [2024-01-27 23:29:43,050 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] total == 0 [2024-01-27 23:29:43,051 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] f == 0 [2024-01-27 23:29:43,051 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q2_front == 0 [2024-01-27 23:29:43,051 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,051 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] 0 <= j [2024-01-27 23:29:43,051 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] 0 <= i [2024-01-27 23:29:43,051 INFO L98 nessWitnessExtractor]: Loop invariant at [L73-L87] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,051 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 1 <= i [2024-01-27 23:29:43,051 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,052 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 0 <= j [2024-01-27 23:29:43,052 INFO L98 nessWitnessExtractor]: Location invariant before [L173-L173] 0 <= i [2024-01-27 23:29:43,052 INFO L98 nessWitnessExtractor]: Location invariant before [L173-L173] b != 0 [2024-01-27 23:29:43,052 INFO L98 nessWitnessExtractor]: Location invariant before [L173-L173] 1 <= b [2024-01-27 23:29:43,053 INFO L98 nessWitnessExtractor]: Location invariant before [L173-L173] 0 <= j [2024-01-27 23:29:43,053 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,053 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] 0 <= i [2024-01-27 23:29:43,053 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] 0 <= j [2024-01-27 23:29:43,054 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,054 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,054 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] 0 <= i [2024-01-27 23:29:43,054 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,054 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] 1 <= j [2024-01-27 23:29:43,054 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] 0 <= i [2024-01-27 23:29:43,055 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] 0 <= j [2024-01-27 23:29:43,055 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,055 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,055 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= j [2024-01-27 23:29:43,055 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= i [2024-01-27 23:29:43,056 INFO L98 nessWitnessExtractor]: Location invariant before [L102-L102] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,056 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,056 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= j [2024-01-27 23:29:43,057 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= i [2024-01-27 23:29:43,057 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] q2 == 0 [2024-01-27 23:29:43,057 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] q1 == 0 [2024-01-27 23:29:43,057 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] f == 0 [2024-01-27 23:29:43,057 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] j == 0 [2024-01-27 23:29:43,058 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] total == 0 [2024-01-27 23:29:43,058 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] i == 0 [2024-01-27 23:29:43,058 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] q2_back == 0 [2024-01-27 23:29:43,058 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] 0 <= i [2024-01-27 23:29:43,058 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] total == 0 [2024-01-27 23:29:43,058 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] i == 0 [2024-01-27 23:29:43,058 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] j == 0 [2024-01-27 23:29:43,059 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] f == 0 [2024-01-27 23:29:43,059 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] j == 0 [2024-01-27 23:29:43,059 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] total == 0 [2024-01-27 23:29:43,059 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] f == 0 [2024-01-27 23:29:43,059 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] i == 0 [2024-01-27 23:29:43,059 INFO L98 nessWitnessExtractor]: Loop invariant at [L114-L123] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,059 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2_back == 0 [2024-01-27 23:29:43,059 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] f == 0 [2024-01-27 23:29:43,060 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1_back == 0 [2024-01-27 23:29:43,060 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] n1 == 0 [2024-01-27 23:29:43,060 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] N == 0 [2024-01-27 23:29:43,060 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] n2 == 0 [2024-01-27 23:29:43,061 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2 == 0 [2024-01-27 23:29:43,061 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] i == 0 [2024-01-27 23:29:43,061 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] j == 0 [2024-01-27 23:29:43,061 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1 == 0 [2024-01-27 23:29:43,061 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1_front == 0 [2024-01-27 23:29:43,061 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2_front == 0 [2024-01-27 23:29:43,061 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] total == 0 [2024-01-27 23:29:43,061 INFO L98 nessWitnessExtractor]: Location invariant before [L172-L172] b != 0 [2024-01-27 23:29:43,062 INFO L98 nessWitnessExtractor]: Location invariant before [L172-L172] b <= -1 [2024-01-27 23:29:43,062 INFO L98 nessWitnessExtractor]: Location invariant before [L172-L172] 0 <= j [2024-01-27 23:29:43,062 INFO L98 nessWitnessExtractor]: Location invariant before [L172-L172] 0 <= i [2024-01-27 23:29:43,062 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= i [2024-01-27 23:29:43,062 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,062 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= j [2024-01-27 23:29:43,062 INFO L98 nessWitnessExtractor]: Location invariant before [L162-L162] i == 0 [2024-01-27 23:29:43,063 INFO L98 nessWitnessExtractor]: Location invariant before [L162-L162] j == 0 [2024-01-27 23:29:43,063 INFO L98 nessWitnessExtractor]: Location invariant before [L162-L162] f == 0 [2024-01-27 23:29:43,063 INFO L98 nessWitnessExtractor]: Location invariant before [L162-L162] total == 0 [2024-01-27 23:29:43,063 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= i [2024-01-27 23:29:43,063 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,063 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= j [2024-01-27 23:29:43,063 INFO L98 nessWitnessExtractor]: Loop invariant at [L165-L167] total == 0 [2024-01-27 23:29:43,063 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) [2024-01-27 23:29:43,064 INFO L98 nessWitnessExtractor]: Loop invariant at [L165-L167] f == 0 [2024-01-27 23:29:43,064 INFO L98 nessWitnessExtractor]: Loop invariant at [L165-L167] j == 0 [2024-01-27 23:29:43,064 INFO L98 nessWitnessExtractor]: Loop invariant at [L165-L167] i == 0 [2024-01-27 23:29:43,065 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,065 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] 0 <= i [2024-01-27 23:29:43,065 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] 0 <= j [2024-01-27 23:29:43,066 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] i == 0 [2024-01-27 23:29:43,066 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] f == 0 [2024-01-27 23:29:43,066 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] total == 0 [2024-01-27 23:29:43,066 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) [2024-01-27 23:29:43,066 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] size != 0 [2024-01-27 23:29:43,066 INFO L98 nessWitnessExtractor]: Location invariant before [L166-L166] j == 0 [2024-01-27 23:29:43,067 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] 0 <= i [2024-01-27 23:29:43,067 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,067 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] 0 <= j [2024-01-27 23:29:43,067 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,068 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,068 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= j [2024-01-27 23:29:43,068 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= i [2024-01-27 23:29:43,068 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,068 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] 0 <= i [2024-01-27 23:29:43,068 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] 0 <= j [2024-01-27 23:29:43,068 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] -2147483647 <= q1_front [2024-01-27 23:29:43,068 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,069 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] q1 == 0 [2024-01-27 23:29:43,069 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] total == 0 [2024-01-27 23:29:43,069 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] i == 0 [2024-01-27 23:29:43,069 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] j == 0 [2024-01-27 23:29:43,069 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] q2 == 0 [2024-01-27 23:29:43,069 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] f == 0 [2024-01-27 23:29:43,069 INFO L98 nessWitnessExtractor]: Location invariant before [L118-L118] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,070 INFO L98 nessWitnessExtractor]: Location invariant before [L118-L118] 0 <= i [2024-01-27 23:29:43,070 INFO L98 nessWitnessExtractor]: Location invariant before [L118-L118] 0 <= j [2024-01-27 23:29:43,070 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,070 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= i [2024-01-27 23:29:43,070 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= j [2024-01-27 23:29:43,070 INFO L98 nessWitnessExtractor]: Location invariant before [L145-L145] j == 0 [2024-01-27 23:29:43,070 INFO L98 nessWitnessExtractor]: Location invariant before [L145-L145] total == 0 [2024-01-27 23:29:43,070 INFO L98 nessWitnessExtractor]: Location invariant before [L145-L145] i == 0 [2024-01-27 23:29:43,070 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] 0 <= i [2024-01-27 23:29:43,071 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,071 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] 0 <= j [2024-01-27 23:29:43,071 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] -2147483647 <= q1_back [2024-01-27 23:29:43,071 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] q1_front <= 2147483646 [2024-01-27 23:29:43,072 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] 0 <= i [2024-01-27 23:29:43,072 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,072 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] 0 <= j [2024-01-27 23:29:43,072 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] 0 <= j [2024-01-27 23:29:43,073 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,073 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] 0 <= i [2024-01-27 23:29:43,073 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] j == 0 [2024-01-27 23:29:43,073 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2 == 0 [2024-01-27 23:29:43,073 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] n2 == 0 [2024-01-27 23:29:43,073 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q1 == 0 [2024-01-27 23:29:43,073 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2_front == 0 [2024-01-27 23:29:43,073 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2_back == 0 [2024-01-27 23:29:43,073 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] i == 0 [2024-01-27 23:29:43,074 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] f == 0 [2024-01-27 23:29:43,074 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] total == 0 [2024-01-27 23:29:43,074 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q1_back == 0 [2024-01-27 23:29:43,074 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q1_front == 0 [2024-01-27 23:29:43,074 INFO L98 nessWitnessExtractor]: Location invariant before [L121-L121] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,075 INFO L98 nessWitnessExtractor]: Location invariant before [L121-L121] 0 <= j [2024-01-27 23:29:43,075 INFO L98 nessWitnessExtractor]: Location invariant before [L121-L121] 0 <= i [2024-01-27 23:29:43,075 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] 0 <= i [2024-01-27 23:29:43,075 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] 0 <= j [2024-01-27 23:29:43,075 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,076 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,076 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] 0 <= j [2024-01-27 23:29:43,076 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] 0 <= q2_back [2024-01-27 23:29:43,076 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] 0 <= i [2024-01-27 23:29:43,076 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= j [2024-01-27 23:29:43,077 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,077 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= i [2024-01-27 23:29:43,077 INFO L98 nessWitnessExtractor]: Location invariant before [L119-L119] -2147483647 <= q2_front [2024-01-27 23:29:43,077 INFO L98 nessWitnessExtractor]: Location invariant before [L119-L119] 0 <= i [2024-01-27 23:29:43,078 INFO L98 nessWitnessExtractor]: Location invariant before [L119-L119] 0 <= j [2024-01-27 23:29:43,078 INFO L98 nessWitnessExtractor]: Location invariant before [L119-L119] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,080 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] total == 0 [2024-01-27 23:29:43,081 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] j == 0 [2024-01-27 23:29:43,081 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] i == 0 [2024-01-27 23:29:43,081 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] q2 == 0 [2024-01-27 23:29:43,083 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] f == 0 [2024-01-27 23:29:43,084 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= i [2024-01-27 23:29:43,084 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= j [2024-01-27 23:29:43,084 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,084 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] 0 <= i [2024-01-27 23:29:43,084 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,084 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] 0 <= j [2024-01-27 23:29:43,084 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] f == 0 [2024-01-27 23:29:43,084 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] j == 0 [2024-01-27 23:29:43,084 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] total == 0 [2024-01-27 23:29:43,084 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] i == 0 [2024-01-27 23:29:43,084 INFO L98 nessWitnessExtractor]: Location invariant before [L120-L120] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,085 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,085 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,085 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q1_back == 0 [2024-01-27 23:29:43,085 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q2 == 0 [2024-01-27 23:29:43,085 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] f == 0 [2024-01-27 23:29:43,085 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q1 == 0 [2024-01-27 23:29:43,086 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] i == 0 [2024-01-27 23:29:43,086 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] total == 0 [2024-01-27 23:29:43,086 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q2_back == 0 [2024-01-27 23:29:43,086 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] j == 0 [2024-01-27 23:29:43,086 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q2_front == 0 [2024-01-27 23:29:43,087 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,087 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,087 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] 0 <= j [2024-01-27 23:29:43,087 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] 0 <= i [2024-01-27 23:29:43,088 INFO L98 nessWitnessExtractor]: Location invariant before [L174-L174] 0 <= i [2024-01-27 23:29:43,088 INFO L98 nessWitnessExtractor]: Location invariant before [L174-L174] 0 <= j [2024-01-27 23:29:43,088 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] f == 0 [2024-01-27 23:29:43,088 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] total == 0 [2024-01-27 23:29:43,088 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] i == 0 [2024-01-27 23:29:43,088 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] j == 0 [2024-01-27 23:29:43,088 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= j [2024-01-27 23:29:43,088 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= i [2024-01-27 23:29:43,088 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,089 INFO L98 nessWitnessExtractor]: Loop invariant at [L51-L64] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,089 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] i == 0 [2024-01-27 23:29:43,089 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] total == 0 [2024-01-27 23:29:43,089 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1 == 0 [2024-01-27 23:29:43,089 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2 == 0 [2024-01-27 23:29:43,089 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] f == 0 [2024-01-27 23:29:43,089 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2_back == 0 [2024-01-27 23:29:43,089 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] n2 == 0 [2024-01-27 23:29:43,089 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2_front == 0 [2024-01-27 23:29:43,090 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] n1 == 0 [2024-01-27 23:29:43,090 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] j == 0 [2024-01-27 23:29:43,090 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1_front == 0 [2024-01-27 23:29:43,090 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1_back == 0 [2024-01-27 23:29:43,091 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] 0 <= i [2024-01-27 23:29:43,091 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,091 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] 0 <= j [2024-01-27 23:29:43,091 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,091 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= i [2024-01-27 23:29:43,091 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= j [2024-01-27 23:29:43,091 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,091 INFO L98 nessWitnessExtractor]: Location invariant before [L164-L164] i == 0 [2024-01-27 23:29:43,092 INFO L98 nessWitnessExtractor]: Location invariant before [L164-L164] j == 0 [2024-01-27 23:29:43,092 INFO L98 nessWitnessExtractor]: Location invariant before [L164-L164] f == 0 [2024-01-27 23:29:43,092 INFO L98 nessWitnessExtractor]: Location invariant before [L164-L164] total == 0 [2024-01-27 23:29:43,092 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,092 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,092 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] 0 <= j [2024-01-27 23:29:43,092 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] 0 <= i [2024-01-27 23:29:43,092 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] -2147483647 <= q1_back [2024-01-27 23:29:43,092 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,093 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] 0 <= j [2024-01-27 23:29:43,093 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,093 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] 0 <= i [2024-01-27 23:29:43,093 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] q2_front <= 2147483646 [2024-01-27 23:29:43,094 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] -2147483647 <= q2_back [2024-01-27 23:29:43,095 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] 0 <= i [2024-01-27 23:29:43,095 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] 0 <= j [2024-01-27 23:29:43,095 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,095 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,095 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] q2_back == 0 [2024-01-27 23:29:43,095 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] q1 == 0 [2024-01-27 23:29:43,095 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] q2 == 0 [2024-01-27 23:29:43,096 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] q2_front == 0 [2024-01-27 23:29:43,096 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] i == 0 [2024-01-27 23:29:43,096 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] f == 0 [2024-01-27 23:29:43,096 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] total == 0 [2024-01-27 23:29:43,096 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] j == 0 [2024-01-27 23:29:43,096 INFO L98 nessWitnessExtractor]: Location invariant before [L142-L142] j == 0 [2024-01-27 23:29:43,096 INFO L98 nessWitnessExtractor]: Location invariant before [L142-L142] i == 0 [2024-01-27 23:29:43,097 INFO L98 nessWitnessExtractor]: Location invariant before [L142-L142] total == 0 [2024-01-27 23:29:43,097 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,097 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= i [2024-01-27 23:29:43,097 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= j [2024-01-27 23:29:43,097 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,097 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= i [2024-01-27 23:29:43,097 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,097 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= j [2024-01-27 23:29:43,097 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,097 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] 0 <= j [2024-01-27 23:29:43,098 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] 0 <= i [2024-01-27 23:29:43,098 INFO L98 nessWitnessExtractor]: Loop invariant at [L96-L105] (unsigned long )_argptr == 0UL [2024-01-27 23:29:43,129 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 23:29:43,277 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] [2024-01-27 23:29:43,290 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 23:29:43,300 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 23:29:43,307 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 [2024-01-27 23:29:43,480 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 [2024-01-27 23:29:43,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 23:29:43,501 INFO L206 MainTranslator]: Completed translation [2024-01-27 23:29:43,501 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:43 WrapperNode [2024-01-27 23:29:43,501 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 23:29:43,502 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 23:29:43,502 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 23:29:43,502 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 23:29:43,507 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 27.01 11:29:43" (1/1) ... [2024-01-27 23:29:43,516 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 27.01 11:29:43" (1/1) ... [2024-01-27 23:29:43,552 INFO L138 Inliner]: procedures = 27, calls = 87, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 727 [2024-01-27 23:29:43,554 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 23:29:43,555 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 23:29:43,555 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 23:29:43,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 23:29:43,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:43" (1/1) ... [2024-01-27 23:29:43,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:43" (1/1) ... [2024-01-27 23:29:43,568 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:43" (1/1) ... [2024-01-27 23:29:43,583 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]. [2024-01-27 23:29:43,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:43" (1/1) ... [2024-01-27 23:29:43,584 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:43" (1/1) ... [2024-01-27 23:29:43,605 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:43" (1/1) ... [2024-01-27 23:29:43,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:43" (1/1) ... [2024-01-27 23:29:43,610 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:43" (1/1) ... [2024-01-27 23:29:43,612 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:43" (1/1) ... [2024-01-27 23:29:43,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 23:29:43,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 23:29:43,617 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 23:29:43,617 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 23:29:43,618 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:43" (1/1) ... [2024-01-27 23:29:43,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 23:29:43,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 23:29:43,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-27 23:29:43,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-27 23:29:43,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 23:29:43,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 23:29:43,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 23:29:43,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 23:29:43,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 23:29:43,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-27 23:29:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-27 23:29:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-01-27 23:29:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 23:29:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 23:29:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 23:29:43,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-27 23:29:43,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-27 23:29:43,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-01-27 23:29:43,685 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-27 23:29:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-27 23:29:43,685 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-27 23:29:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-27 23:29:43,685 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-27 23:29:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-27 23:29:43,686 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-27 23:29:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-27 23:29:43,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 23:29:43,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 23:29:43,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 23:29:43,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-27 23:29:43,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-27 23:29:43,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-01-27 23:29:43,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-27 23:29:43,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-27 23:29:43,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-27 23:29:43,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 23:29:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 23:29:43,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 23:29:43,689 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-27 23:29:43,821 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 23:29:43,822 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 23:29:44,648 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 23:29:44,648 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 23:29:45,382 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 23:29:45,383 INFO L320 CfgBuilder]: Removed 7 assume(true) statements. [2024-01-27 23:29:45,384 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:29:45 BoogieIcfgContainer [2024-01-27 23:29:45,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 23:29:45,387 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 23:29:45,387 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 23:29:45,389 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 23:29:45,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 11:29:42" (1/4) ... [2024-01-27 23:29:45,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d6622a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 11:29:45, skipping insertion in model container [2024-01-27 23:29:45,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:29:42" (2/4) ... [2024-01-27 23:29:45,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d6622a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 11:29:45, skipping insertion in model container [2024-01-27 23:29:45,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:29:43" (3/4) ... [2024-01-27 23:29:45,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d6622a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 11:29:45, skipping insertion in model container [2024-01-27 23:29:45,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:29:45" (4/4) ... [2024-01-27 23:29:45,393 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series.wvr.c [2024-01-27 23:29:45,406 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 23:29:45,407 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 364 error locations. [2024-01-27 23:29:45,407 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 23:29:45,541 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-27 23:29:45,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 640 places, 634 transitions, 1296 flow [2024-01-27 23:29:45,717 INFO L124 PetriNetUnfolderBase]: 7/630 cut-off events. [2024-01-27 23:29:45,718 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-27 23:29:45,726 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. [2024-01-27 23:29:45,726 INFO L82 GeneralOperation]: Start removeDead. Operand has 640 places, 634 transitions, 1296 flow [2024-01-27 23:29:45,742 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 635 places, 629 transitions, 1282 flow [2024-01-27 23:29:45,753 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 23:29:45,760 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;@6e2d67d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 23:29:45,760 INFO L358 AbstractCegarLoop]: Starting to check reachability of 541 error locations. [2024-01-27 23:29:45,762 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 23:29:45,762 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 23:29:45,762 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 23:29:45,762 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:29:45,763 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 23:29:45,763 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 538 more)] === [2024-01-27 23:29:45,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:29:45,769 INFO L85 PathProgramCache]: Analyzing trace with hash 92186, now seen corresponding path program 1 times [2024-01-27 23:29:45,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:29:45,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329858989] [2024-01-27 23:29:45,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:29:45,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:29:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:29:45,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:29:45,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:29:45,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329858989] [2024-01-27 23:29:45,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329858989] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:29:45,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:29:45,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:29:45,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981123938] [2024-01-27 23:29:45,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:29:45,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:29:45,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:29:45,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:29:45,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:29:46,081 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 352 out of 634 [2024-01-27 23:29:46,087 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 635 places, 629 transitions, 1282 flow. Second operand has 3 states, 3 states have (on average 352.6666666666667) internal successors, (1058), 3 states have internal predecessors, (1058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:29:46,087 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:29:46,087 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 352 of 634 [2024-01-27 23:29:46,088 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand