./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-bad-buffer-mult-alt2.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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-bad-buffer-mult-alt2.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-bad-buffer-mult-alt2.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-ab2e0ac-m [2024-01-29 14:19:02,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 14:19:02,252 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 14:19:02,258 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 14:19:02,259 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 14:19:02,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 14:19:02,284 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 14:19:02,284 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 14:19:02,285 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 14:19:02,288 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 14:19:02,288 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 14:19:02,288 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 14:19:02,289 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 14:19:02,290 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 14:19:02,291 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 14:19:02,291 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 14:19:02,291 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 14:19:02,291 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 14:19:02,291 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 14:19:02,292 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 14:19:02,293 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 14:19:02,293 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 14:19:02,293 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 14:19:02,294 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 14:19:02,294 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 14:19:02,294 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 14:19:02,294 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 14:19:02,294 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 14:19:02,295 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 14:19:02,295 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 14:19:02,296 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 14:19:02,296 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 14:19:02,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:19:02,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 14:19:02,297 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 14:19:02,297 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 14:19:02,297 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 14:19:02,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 14:19:02,297 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 14:19:02,297 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 14:19:02,298 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 14:19:02,298 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 14:19:02,298 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 14:19:02,298 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 14:19:02,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 14:19:02,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 14:19:02,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 14:19:02,538 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 14:19:02,539 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 14:19:02,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2024-01-29 14:19:03,610 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 14:19:03,777 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 14:19:03,778 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2024-01-29 14:19:03,784 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/313053697/8f09c83944e640a59e807ddbe5b4b48a/FLAG002fd9151 [2024-01-29 14:19:03,793 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/313053697/8f09c83944e640a59e807ddbe5b4b48a [2024-01-29 14:19:03,795 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 14:19:03,796 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 14:19:03,796 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-bad-buffer-mult-alt2.wvr.yml/witness.yml [2024-01-29 14:19:03,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 14:19:03,918 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 14:19:03,918 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 14:19:03,918 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 14:19:03,922 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 14:19:03,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:19:03" (1/2) ... [2024-01-29 14:19:03,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c5b1070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:03, skipping insertion in model container [2024-01-29 14:19:03,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:19:03" (1/2) ... [2024-01-29 14:19:03,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@8a17767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:19:03, skipping insertion in model container [2024-01-29 14:19:03,924 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:19:03" (2/2) ... [2024-01-29 14:19:03,925 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c5b1070 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:19:03, skipping insertion in model container [2024-01-29 14:19:03,925 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:19:03" (2/2) ... [2024-01-29 14:19:03,925 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 14:19:03,982 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 14:19:03,983 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q2_front == 0 [2024-01-29 14:19:03,983 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q1 == 0 [2024-01-29 14:19:03,983 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q1_back == 0 [2024-01-29 14:19:03,984 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] total == 0 [2024-01-29 14:19:03,984 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q1_front == 0 [2024-01-29 14:19:03,984 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q2_back == 0 [2024-01-29 14:19:03,985 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] i == 0 [2024-01-29 14:19:03,985 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] j == 0 [2024-01-29 14:19:03,985 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] n1 == 0 [2024-01-29 14:19:03,985 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] n2 == 0 [2024-01-29 14:19:03,985 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q2 == 0 [2024-01-29 14:19:03,985 INFO L98 nessWitnessExtractor]: Location invariant before [L106-L106] (unsigned long )_argptr == 0UL [2024-01-29 14:19:03,985 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] 0 <= j [2024-01-29 14:19:03,985 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] (unsigned long )_argptr == 0UL [2024-01-29 14:19:03,986 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] 0 <= i [2024-01-29 14:19:03,986 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] N == 0 [2024-01-29 14:19:03,986 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] M == 0 [2024-01-29 14:19:03,986 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] i == 0 [2024-01-29 14:19:03,986 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] n1 == 0 [2024-01-29 14:19:03,986 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] q2_back == 0 [2024-01-29 14:19:03,986 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] n2 == 0 [2024-01-29 14:19:03,987 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] q2_front == 0 [2024-01-29 14:19:03,987 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] j == 0 [2024-01-29 14:19:03,987 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] q2 == 0 [2024-01-29 14:19:03,987 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] total == 0 [2024-01-29 14:19:03,988 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] q1_front == 0 [2024-01-29 14:19:03,988 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] q1 == 0 [2024-01-29 14:19:03,988 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] q1_back == 0 [2024-01-29 14:19:03,988 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1 == 0 [2024-01-29 14:19:03,988 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] j == 0 [2024-01-29 14:19:03,988 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] n2 == 0 [2024-01-29 14:19:03,988 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] i == 0 [2024-01-29 14:19:03,988 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] total == 0 [2024-01-29 14:19:03,988 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q2 == 0 [2024-01-29 14:19:03,989 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] total == 0 [2024-01-29 14:19:03,989 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] i == 0 [2024-01-29 14:19:03,989 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] j == 0 [2024-01-29 14:19:03,989 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] total == 0 [2024-01-29 14:19:03,990 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] i == 0 [2024-01-29 14:19:03,990 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] j == 0 [2024-01-29 14:19:03,990 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q1 == 0 [2024-01-29 14:19:03,991 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q2 == 0 [2024-01-29 14:19:03,991 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= i [2024-01-29 14:19:03,991 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-01-29 14:19:03,991 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= j [2024-01-29 14:19:03,991 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] 0 <= i [2024-01-29 14:19:03,991 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] 0 <= j [2024-01-29 14:19:03,991 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] (unsigned long )_argptr == 0UL [2024-01-29 14:19:03,992 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= i [2024-01-29 14:19:03,992 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= j [2024-01-29 14:19:03,992 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (unsigned long )_argptr == 0UL [2024-01-29 14:19:03,992 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] 0 <= j [2024-01-29 14:19:03,992 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] 0 <= i [2024-01-29 14:19:03,992 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (unsigned long )_argptr == 0UL [2024-01-29 14:19:03,993 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] i == 0 [2024-01-29 14:19:03,993 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] N == 0 [2024-01-29 14:19:03,993 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] n1 == 0 [2024-01-29 14:19:03,994 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q1_front == 0 [2024-01-29 14:19:03,994 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] j == 0 [2024-01-29 14:19:03,994 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] n2 == 0 [2024-01-29 14:19:03,994 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] total == 0 [2024-01-29 14:19:03,994 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q1 == 0 [2024-01-29 14:19:03,994 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q1_back == 0 [2024-01-29 14:19:03,995 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q2_back == 0 [2024-01-29 14:19:03,995 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q2 == 0 [2024-01-29 14:19:03,995 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q2_front == 0 [2024-01-29 14:19:03,995 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] (unsigned long )_argptr == 0UL [2024-01-29 14:19:03,995 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] -2147483647 <= q2_front [2024-01-29 14:19:03,995 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] 0 <= j [2024-01-29 14:19:03,995 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] 0 <= i [2024-01-29 14:19:03,995 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] -2147483647 <= q1_back [2024-01-29 14:19:03,995 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= j [2024-01-29 14:19:03,996 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (unsigned long )_argptr == 0UL [2024-01-29 14:19:03,996 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= i [2024-01-29 14:19:03,996 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] 0 <= j [2024-01-29 14:19:03,996 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] (unsigned long )_argptr == 0UL [2024-01-29 14:19:03,996 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] 0 <= i [2024-01-29 14:19:03,996 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= i [2024-01-29 14:19:03,996 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-29 14:19:03,996 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= q1_back [2024-01-29 14:19:03,997 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= j [2024-01-29 14:19:03,997 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q1_back == 0 [2024-01-29 14:19:03,997 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q2 == 0 [2024-01-29 14:19:03,997 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] j == 0 [2024-01-29 14:19:03,997 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q2_front == 0 [2024-01-29 14:19:03,997 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] i == 0 [2024-01-29 14:19:03,997 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] total == 0 [2024-01-29 14:19:03,997 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] n2 == 0 [2024-01-29 14:19:03,998 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q1 == 0 [2024-01-29 14:19:03,998 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] n1 == 0 [2024-01-29 14:19:03,998 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q2_back == 0 [2024-01-29 14:19:03,998 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] (unsigned long )_argptr == 0UL [2024-01-29 14:19:03,998 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1 == 0 [2024-01-29 14:19:03,998 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2_front == 0 [2024-01-29 14:19:03,998 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2_back == 0 [2024-01-29 14:19:03,998 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] total == 0 [2024-01-29 14:19:03,999 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] i == 0 [2024-01-29 14:19:03,999 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] n1 == 0 [2024-01-29 14:19:03,999 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] j == 0 [2024-01-29 14:19:03,999 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] n2 == 0 [2024-01-29 14:19:03,999 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q2 == 0 [2024-01-29 14:19:03,999 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] 0 <= j [2024-01-29 14:19:03,999 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] 0 <= i [2024-01-29 14:19:03,999 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] 0 <= q1_front [2024-01-29 14:19:04,000 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,000 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,000 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] 0 <= i [2024-01-29 14:19:04,001 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,001 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] 0 <= j [2024-01-29 14:19:04,002 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,002 INFO L98 nessWitnessExtractor]: Loop invariant at [L51-L60] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,002 INFO L98 nessWitnessExtractor]: Location invariant before [L169-L169] 0 <= i [2024-01-29 14:19:04,002 INFO L98 nessWitnessExtractor]: Location invariant before [L169-L169] 0 <= j [2024-01-29 14:19:04,002 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,003 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] 0 <= j [2024-01-29 14:19:04,003 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] 0 <= i [2024-01-29 14:19:04,003 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,003 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] 0 <= j [2024-01-29 14:19:04,003 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] 0 <= i [2024-01-29 14:19:04,003 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,004 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] 0 <= i [2024-01-29 14:19:04,004 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] 0 <= j [2024-01-29 14:19:04,004 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] q2 == 0 [2024-01-29 14:19:04,004 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] (((((((((8 <= i && 9 <= size) && i <= 2147483646) || (8 <= size && i == 7)) || (7 <= size && i == 6)) || (6 <= size && i == 5)) || (5 <= size && i == 4)) || (4 <= size && i == 3)) || (3 <= size && i == 2)) || (2 <= size && i == 1)) || ((1 <= size && 0 == i) && i == 0) [2024-01-29 14:19:04,004 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] j == 0 [2024-01-29 14:19:04,004 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] i == 0 [2024-01-29 14:19:04,004 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] total == 0 [2024-01-29 14:19:04,004 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] size != 0 [2024-01-29 14:19:04,005 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,005 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] b <= -1 [2024-01-29 14:19:04,005 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] b != 0 [2024-01-29 14:19:04,005 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] 0 <= j [2024-01-29 14:19:04,005 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] 0 <= i [2024-01-29 14:19:04,005 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= i [2024-01-29 14:19:04,005 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,005 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= j [2024-01-29 14:19:04,005 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,006 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] -2147483647 <= q1_back [2024-01-29 14:19:04,006 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 1 <= i [2024-01-29 14:19:04,006 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,006 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= j [2024-01-29 14:19:04,006 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] 0 <= j [2024-01-29 14:19:04,006 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] 0 <= i [2024-01-29 14:19:04,007 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,007 INFO L98 nessWitnessExtractor]: Location invariant before [L156-L156] total == 0 [2024-01-29 14:19:04,007 INFO L98 nessWitnessExtractor]: Location invariant before [L156-L156] j == 0 [2024-01-29 14:19:04,007 INFO L98 nessWitnessExtractor]: Location invariant before [L156-L156] q2 == 0 [2024-01-29 14:19:04,007 INFO L98 nessWitnessExtractor]: Location invariant before [L156-L156] i == 0 [2024-01-29 14:19:04,008 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] 0 <= i [2024-01-29 14:19:04,008 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] 0 <= j [2024-01-29 14:19:04,008 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,008 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] 0 <= i [2024-01-29 14:19:04,008 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,008 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] 0 <= j [2024-01-29 14:19:04,008 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] 0 <= i [2024-01-29 14:19:04,008 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] 0 <= j [2024-01-29 14:19:04,009 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] -2147483647 <= q1_front [2024-01-29 14:19:04,009 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,009 INFO L98 nessWitnessExtractor]: Loop invariant at [L160-L162] q2 == 0 [2024-01-29 14:19:04,009 INFO L98 nessWitnessExtractor]: Loop invariant at [L160-L162] i == 0 [2024-01-29 14:19:04,009 INFO L98 nessWitnessExtractor]: Loop invariant at [L160-L162] j == 0 [2024-01-29 14:19:04,009 INFO L98 nessWitnessExtractor]: Loop invariant at [L160-L162] total == 0 [2024-01-29 14:19:04,009 INFO L98 nessWitnessExtractor]: Loop invariant at [L160-L162] (size != 0 && ((((((((8 <= size && 8 <= i) || (7 <= size && i == 7)) || (6 <= size && i == 6)) || (5 <= size && i == 5)) || (4 <= size && i == 4)) || (3 <= size && i == 3)) || (2 <= size && i == 2)) || (1 <= size && i == 1))) || (0 == i && i == 0) [2024-01-29 14:19:04,010 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] j == 0 [2024-01-29 14:19:04,010 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] total == 0 [2024-01-29 14:19:04,010 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q2 == 0 [2024-01-29 14:19:04,010 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] i == 0 [2024-01-29 14:19:04,010 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= j [2024-01-29 14:19:04,011 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,011 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= i [2024-01-29 14:19:04,011 INFO L98 nessWitnessExtractor]: Loop invariant at [L105-L114] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,011 INFO L98 nessWitnessExtractor]: Loop invariant at [L87-L96] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,011 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] 0 <= j [2024-01-29 14:19:04,011 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,011 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] 0 <= i [2024-01-29 14:19:04,012 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] 0 <= q2_front [2024-01-29 14:19:04,012 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,012 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] 0 <= j [2024-01-29 14:19:04,012 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] 0 <= i [2024-01-29 14:19:04,013 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,013 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= i [2024-01-29 14:19:04,015 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,015 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= j [2024-01-29 14:19:04,016 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] 0 <= i [2024-01-29 14:19:04,016 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] q2 == 0 [2024-01-29 14:19:04,018 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] j == 0 [2024-01-29 14:19:04,018 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] total == 0 [2024-01-29 14:19:04,018 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] i == 0 [2024-01-29 14:19:04,018 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,019 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] i == 0 [2024-01-29 14:19:04,019 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1 == 0 [2024-01-29 14:19:04,019 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] total == 0 [2024-01-29 14:19:04,019 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] n2 == 0 [2024-01-29 14:19:04,019 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] n1 == 0 [2024-01-29 14:19:04,019 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q2 == 0 [2024-01-29 14:19:04,019 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] j == 0 [2024-01-29 14:19:04,019 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] j == 0 [2024-01-29 14:19:04,019 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] total == 0 [2024-01-29 14:19:04,020 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] i == 0 [2024-01-29 14:19:04,020 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,020 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] 0 <= j [2024-01-29 14:19:04,020 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] 0 <= i [2024-01-29 14:19:04,020 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= j [2024-01-29 14:19:04,020 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,020 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= i [2024-01-29 14:19:04,020 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] 0 <= i [2024-01-29 14:19:04,020 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] 1 <= j [2024-01-29 14:19:04,021 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,021 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] -2147483647 <= q2_back [2024-01-29 14:19:04,021 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] q2 == 0 [2024-01-29 14:19:04,021 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] j == 0 [2024-01-29 14:19:04,022 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] i == 0 [2024-01-29 14:19:04,022 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] total == 0 [2024-01-29 14:19:04,022 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,022 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,022 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] 0 <= j [2024-01-29 14:19:04,022 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] 0 <= i [2024-01-29 14:19:04,022 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] total == 0 [2024-01-29 14:19:04,022 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] j == 0 [2024-01-29 14:19:04,023 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] q2 == 0 [2024-01-29 14:19:04,023 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] i == 0 [2024-01-29 14:19:04,023 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= j [2024-01-29 14:19:04,023 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= i [2024-01-29 14:19:04,023 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,023 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] total == 0 [2024-01-29 14:19:04,023 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] i == 0 [2024-01-29 14:19:04,023 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] q2 == 0 [2024-01-29 14:19:04,023 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] j == 0 [2024-01-29 14:19:04,024 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,024 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,024 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,024 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] 0 <= j [2024-01-29 14:19:04,024 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,024 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] 0 <= i [2024-01-29 14:19:04,024 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,024 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] 0 <= i [2024-01-29 14:19:04,025 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] 0 <= j [2024-01-29 14:19:04,025 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] 0 <= q2_back [2024-01-29 14:19:04,025 INFO L98 nessWitnessExtractor]: Location invariant before [L102-L102] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,025 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] 0 <= i [2024-01-29 14:19:04,025 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] 0 <= j [2024-01-29 14:19:04,025 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] -2147483647 <= q2_back [2024-01-29 14:19:04,025 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,025 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] total == 0 [2024-01-29 14:19:04,025 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] i == 0 [2024-01-29 14:19:04,026 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q2 == 0 [2024-01-29 14:19:04,026 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] j == 0 [2024-01-29 14:19:04,026 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] n2 == 0 [2024-01-29 14:19:04,026 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q1 == 0 [2024-01-29 14:19:04,026 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q2_back == 0 [2024-01-29 14:19:04,026 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] n1 == 0 [2024-01-29 14:19:04,026 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] j == 0 [2024-01-29 14:19:04,026 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] -2147483647 <= N [2024-01-29 14:19:04,026 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] M <= 2147483646 [2024-01-29 14:19:04,027 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] total == 0 [2024-01-29 14:19:04,028 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] i == 0 [2024-01-29 14:19:04,028 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] i == 0 [2024-01-29 14:19:04,028 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] C == 0 [2024-01-29 14:19:04,028 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] q1_front == 0 [2024-01-29 14:19:04,028 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] j == 0 [2024-01-29 14:19:04,028 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] M == 0 [2024-01-29 14:19:04,028 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] q2_front == 0 [2024-01-29 14:19:04,029 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] n1 == 0 [2024-01-29 14:19:04,029 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] q1 == 0 [2024-01-29 14:19:04,029 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] total == 0 [2024-01-29 14:19:04,029 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] N == 0 [2024-01-29 14:19:04,029 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] q2_back == 0 [2024-01-29 14:19:04,029 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] n2 == 0 [2024-01-29 14:19:04,029 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] q2 == 0 [2024-01-29 14:19:04,030 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] q1_back == 0 [2024-01-29 14:19:04,030 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,030 INFO L98 nessWitnessExtractor]: Loop invariant at [L69-L78] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,030 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,030 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= j [2024-01-29 14:19:04,030 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= i [2024-01-29 14:19:04,030 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-01-29 14:19:04,053 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 14:19:04,215 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4226,4239] [2024-01-29 14:19:04,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:19:04,235 INFO L202 MainTranslator]: Completed pre-run [2024-01-29 14:19:04,244 WARN L424 MainDispatcher]: Unable to annotate extern int pthread_create (pthread_t *__restrict __newthread, const pthread_attr_t *__restrict __attr, void *(*__start_routine) (void *), void *__restrict __arg) __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1, 3))); with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-29 14:19:04,379 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4226,4239] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-29 14:19:04,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:19:04,411 INFO L206 MainTranslator]: Completed translation [2024-01-29 14:19:04,412 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:19:04 WrapperNode [2024-01-29 14:19:04,412 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 14:19:04,413 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 14:19:04,413 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 14:19:04,413 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 14:19:04,418 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 02:19:04" (1/1) ... [2024-01-29 14:19:04,438 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 02:19:04" (1/1) ... [2024-01-29 14:19:04,493 INFO L138 Inliner]: procedures = 26, calls = 75, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 653 [2024-01-29 14:19:04,494 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 14:19:04,494 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 14:19:04,494 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 14:19:04,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 14:19:04,502 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 02:19:04" (1/1) ... [2024-01-29 14:19:04,502 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 02:19:04" (1/1) ... [2024-01-29 14:19:04,506 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 02:19:04" (1/1) ... [2024-01-29 14:19:04,520 INFO L175 MemorySlicer]: Split 16 memory accesses to 6 slices as follows [2, 2, 6, 2, 2, 2]. 38 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 6 writes are split as follows [0, 1, 2, 1, 1, 1]. [2024-01-29 14:19:04,520 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 02:19:04" (1/1) ... [2024-01-29 14:19:04,521 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 02:19:04" (1/1) ... [2024-01-29 14:19:04,539 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 02:19:04" (1/1) ... [2024-01-29 14:19:04,549 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 02:19:04" (1/1) ... [2024-01-29 14:19:04,554 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 02:19:04" (1/1) ... [2024-01-29 14:19:04,555 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 02:19:04" (1/1) ... [2024-01-29 14:19:04,560 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 14:19:04,560 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 14:19:04,560 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 14:19:04,560 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 14:19:04,561 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 02:19:04" (1/1) ... [2024-01-29 14:19:04,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:19:04,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 14:19:04,593 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 14:19:04,627 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 14:19:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 14:19:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 14:19:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 14:19:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 14:19:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 14:19:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-29 14:19:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-29 14:19:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-01-29 14:19:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 14:19:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 14:19:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 14:19:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-29 14:19:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-29 14:19:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-01-29 14:19:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-29 14:19:04,651 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-29 14:19:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-29 14:19:04,651 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-29 14:19:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-29 14:19:04,651 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-29 14:19:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-29 14:19:04,652 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-29 14:19:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 14:19:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 14:19:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 14:19:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-29 14:19:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-29 14:19:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-01-29 14:19:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-29 14:19:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-29 14:19:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-29 14:19:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 14:19:04,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 14:19:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 14:19:04,655 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 14:19:04,777 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 14:19:04,779 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 14:19:05,653 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 14:19:05,653 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 14:19:06,402 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 14:19:06,402 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-01-29 14:19:06,402 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:19:06 BoogieIcfgContainer [2024-01-29 14:19:06,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 14:19:06,404 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 14:19:06,404 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 14:19:06,406 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 14:19:06,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 02:19:03" (1/4) ... [2024-01-29 14:19:06,407 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c714af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:19:06, skipping insertion in model container [2024-01-29 14:19:06,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:19:03" (2/4) ... [2024-01-29 14:19:06,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c714af and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:19:06, skipping insertion in model container [2024-01-29 14:19:06,408 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 02:19:04" (3/4) ... [2024-01-29 14:19:06,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c714af and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:19:06, skipping insertion in model container [2024-01-29 14:19:06,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:19:06" (4/4) ... [2024-01-29 14:19:06,409 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt2.wvr.c [2024-01-29 14:19:06,424 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 14:19:06,424 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 323 error locations. [2024-01-29 14:19:06,424 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 14:19:06,636 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-29 14:19:06,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 580 places, 573 transitions, 1174 flow [2024-01-29 14:19:06,775 INFO L124 PetriNetUnfolderBase]: 6/569 cut-off events. [2024-01-29 14:19:06,776 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-29 14:19:06,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 586 conditions, 569 events. 6/569 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1695 event pairs, 0 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 511. Up to 2 conditions per place. [2024-01-29 14:19:06,782 INFO L82 GeneralOperation]: Start removeDead. Operand has 580 places, 573 transitions, 1174 flow [2024-01-29 14:19:06,793 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 575 places, 568 transitions, 1160 flow [2024-01-29 14:19:06,833 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 14:19:06,848 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;@50648229, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 14:19:06,848 INFO L358 AbstractCegarLoop]: Starting to check reachability of 473 error locations. [2024-01-29 14:19:06,850 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 14:19:06,850 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 14:19:06,851 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:19:06,851 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:19:06,851 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 14:19:06,852 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 470 more)] === [2024-01-29 14:19:06,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:19:06,868 INFO L85 PathProgramCache]: Analyzing trace with hash 77571, now seen corresponding path program 1 times [2024-01-29 14:19:06,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:19:06,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344071099] [2024-01-29 14:19:06,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:19:06,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:19:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:19:07,145 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 14:19:07,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:19:07,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344071099] [2024-01-29 14:19:07,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344071099] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:19:07,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:19:07,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:19:07,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543737288] [2024-01-29 14:19:07,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:19:07,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:19:07,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:19:07,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:19:07,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:19:07,218 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 378 out of 573 [2024-01-29 14:19:07,236 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 575 places, 568 transitions, 1160 flow. Second operand has 3 states, 3 states have (on average 378.6666666666667) internal successors, (1136), 3 states have internal predecessors, (1136), 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 14:19:07,236 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:19:07,236 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 378 of 573 [2024-01-29 14:19:07,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand