./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.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-proofs-counter-add-4-semi-Q67.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a340643f 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-proofs-counter-add-4-semi-Q67.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-proofs-counter-add-4-semi-Q67.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-a340643-m [2024-01-27 14:52:34,529 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 14:52:34,603 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 14:52:34,607 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 14:52:34,608 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 14:52:34,624 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 14:52:34,624 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 14:52:34,625 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 14:52:34,625 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 14:52:34,630 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 14:52:34,630 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 14:52:34,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 14:52:34,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 14:52:34,632 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 14:52:34,632 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 14:52:34,632 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 14:52:34,633 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 14:52:34,633 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 14:52:34,633 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 14:52:34,633 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 14:52:34,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 14:52:34,634 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 14:52:34,634 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 14:52:34,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 14:52:34,634 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 14:52:34,635 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 14:52:34,635 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 14:52:34,635 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 14:52:34,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 14:52:34,636 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 14:52:34,636 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 14:52:34,637 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 14:52:34,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:52:34,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 14:52:34,637 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 14:52:34,637 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 14:52:34,637 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 14:52:34,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 14:52:34,638 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 14:52:34,638 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 14:52:34,638 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 14:52:34,638 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 14:52:34,638 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 14:52:34,639 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 14:52:34,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 14:52:34,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 14:52:34,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 14:52:34,901 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 14:52:34,901 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 14:52:34,902 INFO L431 ainManager$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-proofs-counter-add-4-semi-Q67.wvr.yml/witness.yml [2024-01-27 14:52:35,021 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 14:52:35,022 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 14:52:35,023 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-01-27 14:52:36,090 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 14:52:36,258 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 14:52:36,259 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-01-27 14:52:36,264 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/640470184/794e89aeb70e405b89f1e5d08ef818ce/FLAG0dd54cbce [2024-01-27 14:52:36,360 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/640470184/794e89aeb70e405b89f1e5d08ef818ce [2024-01-27 14:52:36,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 14:52:36,361 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 14:52:36,362 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 14:52:36,362 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 14:52:36,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 14:52:36,366 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:52:35" (1/2) ... [2024-01-27 14:52:36,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23788179 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:52:36, skipping insertion in model container [2024-01-27 14:52:36,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:52:35" (1/2) ... [2024-01-27 14:52:36,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@b613c6f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:52:36, skipping insertion in model container [2024-01-27 14:52:36,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:52:36" (2/2) ... [2024-01-27 14:52:36,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23788179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:36, skipping insertion in model container [2024-01-27 14:52:36,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:52:36" (2/2) ... [2024-01-27 14:52:36,369 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 14:52:36,390 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 14:52:36,391 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= i1 [2024-01-27 14:52:36,391 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= j2 [2024-01-27 14:52:36,391 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= i2 [2024-01-27 14:52:36,392 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= j1 [2024-01-27 14:52:36,392 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-27 14:52:36,392 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (unsigned long )_argptr == 0UL [2024-01-27 14:52:36,392 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-27 14:52:36,392 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] M2 == 0 [2024-01-27 14:52:36,392 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] i1 == 0 [2024-01-27 14:52:36,392 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] i2 == 0 [2024-01-27 14:52:36,393 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] j2 == 0 [2024-01-27 14:52:36,393 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] j1 == 0 [2024-01-27 14:52:36,393 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] M1 == 0 [2024-01-27 14:52:36,393 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] counter == 0 [2024-01-27 14:52:36,393 INFO L98 nessWitnessExtractor]: Loop invariant at [L51-L57] (unsigned long )_argptr == 0UL [2024-01-27 14:52:36,393 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (unsigned long )_argptr == 0UL [2024-01-27 14:52:36,393 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] i1 == 0 [2024-01-27 14:52:36,394 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] i2 == 0 [2024-01-27 14:52:36,394 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] j2 == 0 [2024-01-27 14:52:36,394 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] M2 == 0 [2024-01-27 14:52:36,394 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] counter == 0 [2024-01-27 14:52:36,394 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] j1 == 0 [2024-01-27 14:52:36,394 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] -2147483647 <= counter [2024-01-27 14:52:36,394 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] (unsigned long )_argptr == 0UL [2024-01-27 14:52:36,395 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] 0 <= i2 [2024-01-27 14:52:36,395 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] 0 <= j1 [2024-01-27 14:52:36,395 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] 0 <= j2 [2024-01-27 14:52:36,395 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] 1 <= i1 [2024-01-27 14:52:36,395 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] counter == 0 [2024-01-27 14:52:36,395 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] j1 == 0 [2024-01-27 14:52:36,395 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] j2 == 0 [2024-01-27 14:52:36,396 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] i2 == 0 [2024-01-27 14:52:36,396 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] i1 == 0 [2024-01-27 14:52:36,396 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-01-27 14:52:36,396 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-01-27 14:52:36,396 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= j1 [2024-01-27 14:52:36,396 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= j2 [2024-01-27 14:52:36,396 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= i2 [2024-01-27 14:52:36,397 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= i1 [2024-01-27 14:52:36,397 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] i2 == 0 [2024-01-27 14:52:36,397 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] i1 == 0 [2024-01-27 14:52:36,397 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] counter == 0 [2024-01-27 14:52:36,397 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] j2 == 0 [2024-01-27 14:52:36,397 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] j1 == 0 [2024-01-27 14:52:36,397 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] j2 == 0 [2024-01-27 14:52:36,398 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] counter == 0 [2024-01-27 14:52:36,398 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] i2 == 0 [2024-01-27 14:52:36,398 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] N2 == 0 [2024-01-27 14:52:36,398 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] M2 == 0 [2024-01-27 14:52:36,398 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] j1 == 0 [2024-01-27 14:52:36,398 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] M1 == 0 [2024-01-27 14:52:36,398 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] i1 == 0 [2024-01-27 14:52:36,399 INFO L98 nessWitnessExtractor]: Location invariant before [L41-L41] (unsigned long )_argptr == 0UL [2024-01-27 14:52:36,399 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] counter <= 2147483646 [2024-01-27 14:52:36,399 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-27 14:52:36,399 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= j1 [2024-01-27 14:52:36,399 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 1 <= i2 [2024-01-27 14:52:36,399 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= i1 [2024-01-27 14:52:36,399 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= j2 [2024-01-27 14:52:36,400 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= i2 [2024-01-27 14:52:36,400 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= j2 [2024-01-27 14:52:36,400 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= i1 [2024-01-27 14:52:36,400 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= j1 [2024-01-27 14:52:36,400 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] (unsigned long )_argptr == 0UL [2024-01-27 14:52:36,400 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] counter <= 2147483646 [2024-01-27 14:52:36,400 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] (unsigned long )_argptr == 0UL [2024-01-27 14:52:36,401 INFO L98 nessWitnessExtractor]: Loop invariant at [L63-L68] (unsigned long )_argptr == 0UL [2024-01-27 14:52:36,401 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] 0 <= i1 [2024-01-27 14:52:36,401 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] 0 <= j1 [2024-01-27 14:52:36,401 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] 0 <= i2 [2024-01-27 14:52:36,401 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] 0 <= j2 [2024-01-27 14:52:36,401 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (unsigned long )_argptr == 0UL [2024-01-27 14:52:36,401 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= i1 [2024-01-27 14:52:36,402 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= j1 [2024-01-27 14:52:36,402 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= i2 [2024-01-27 14:52:36,402 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= j2 [2024-01-27 14:52:36,402 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (unsigned long )_argptr == 0UL [2024-01-27 14:52:36,402 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] counter <= 2147483646 [2024-01-27 14:52:36,402 INFO L98 nessWitnessExtractor]: Loop invariant at [L74-L80] (unsigned long )_argptr == 0UL [2024-01-27 14:52:36,402 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] N2 == 0 [2024-01-27 14:52:36,403 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] i1 == 0 [2024-01-27 14:52:36,403 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] j1 == 0 [2024-01-27 14:52:36,403 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] M1 == 0 [2024-01-27 14:52:36,403 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] N1 == 0 [2024-01-27 14:52:36,403 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] i2 == 0 [2024-01-27 14:52:36,403 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] M2 == 0 [2024-01-27 14:52:36,403 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] counter == 0 [2024-01-27 14:52:36,404 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] j2 == 0 [2024-01-27 14:52:36,404 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] j2 == 0 [2024-01-27 14:52:36,404 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] i1 == 0 [2024-01-27 14:52:36,404 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] M2 == 0 [2024-01-27 14:52:36,404 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] i2 == 0 [2024-01-27 14:52:36,404 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] counter == 0 [2024-01-27 14:52:36,404 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] j1 == 0 [2024-01-27 14:52:36,405 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-27 14:52:36,405 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] 0 <= i2 [2024-01-27 14:52:36,405 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] -2147483647 <= counter [2024-01-27 14:52:36,405 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] 0 <= j1 [2024-01-27 14:52:36,405 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (unsigned long )_argptr == 0UL [2024-01-27 14:52:36,405 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] 0 <= j2 [2024-01-27 14:52:36,405 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] 0 <= i1 [2024-01-27 14:52:36,406 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= j2 [2024-01-27 14:52:36,406 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-27 14:52:36,406 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= i1 [2024-01-27 14:52:36,406 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= j1 [2024-01-27 14:52:36,406 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= i2 [2024-01-27 14:52:36,406 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-27 14:52:36,406 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] -2147483647 <= counter [2024-01-27 14:52:36,407 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] 0 <= i1 [2024-01-27 14:52:36,407 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (unsigned long )_argptr == 0UL [2024-01-27 14:52:36,407 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] 1 <= j1 [2024-01-27 14:52:36,407 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] 0 <= j2 [2024-01-27 14:52:36,407 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] 0 <= i2 [2024-01-27 14:52:36,407 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= i1 [2024-01-27 14:52:36,407 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= j1 [2024-01-27 14:52:36,408 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] counter <= 2147483646 [2024-01-27 14:52:36,408 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-01-27 14:52:36,408 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= i2 [2024-01-27 14:52:36,408 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 1 <= j2 [2024-01-27 14:52:36,408 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] 0 <= i2 [2024-01-27 14:52:36,408 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-01-27 14:52:36,409 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] 0 <= j2 [2024-01-27 14:52:36,409 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] 0 <= j1 [2024-01-27 14:52:36,409 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] 0 <= i1 [2024-01-27 14:52:36,409 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= j1 [2024-01-27 14:52:36,409 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= i2 [2024-01-27 14:52:36,409 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= i1 [2024-01-27 14:52:36,409 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= j2 [2024-01-27 14:52:36,409 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (unsigned long )_argptr == 0UL [2024-01-27 14:52:36,410 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] 0 <= j1 [2024-01-27 14:52:36,410 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] 0 <= j2 [2024-01-27 14:52:36,410 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] -2147483647 <= counter [2024-01-27 14:52:36,410 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] 0 <= i1 [2024-01-27 14:52:36,410 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] 0 <= i2 [2024-01-27 14:52:36,410 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-01-27 14:52:36,410 INFO L98 nessWitnessExtractor]: Loop invariant at [L40-L45] (unsigned long )_argptr == 0UL [2024-01-27 14:52:36,425 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 14:52:36,606 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-proofs-counter-add-4-semi-Q67.wvr.c[2663,2676] [2024-01-27 14:52:36,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:52:36,625 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 14:52:36,634 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 [2024-01-27 14:52:36,733 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-proofs-counter-add-4-semi-Q67.wvr.c[2663,2676] [2024-01-27 14:52:36,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:52:36,756 INFO L206 MainTranslator]: Completed translation [2024-01-27 14:52:36,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:36 WrapperNode [2024-01-27 14:52:36,757 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 14:52:36,758 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 14:52:36,758 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 14:52:36,758 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 14:52:36,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:36" (1/1) ... [2024-01-27 14:52:36,773 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:36" (1/1) ... [2024-01-27 14:52:36,808 INFO L138 Inliner]: procedures = 22, calls = 42, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 230 [2024-01-27 14:52:36,810 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 14:52:36,810 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 14:52:36,811 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 14:52:36,811 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 14:52:36,842 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:36" (1/1) ... [2024-01-27 14:52:36,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:36" (1/1) ... [2024-01-27 14:52:36,886 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:36" (1/1) ... [2024-01-27 14:52:36,917 INFO L175 MemorySlicer]: Split 10 memory accesses to 5 slices as follows [2, 2, 2, 2, 2]. 20 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1]. [2024-01-27 14:52:36,925 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:36" (1/1) ... [2024-01-27 14:52:36,926 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:36" (1/1) ... [2024-01-27 14:52:36,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:36" (1/1) ... [2024-01-27 14:52:36,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:36" (1/1) ... [2024-01-27 14:52:36,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:36" (1/1) ... [2024-01-27 14:52:36,942 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:36" (1/1) ... [2024-01-27 14:52:36,948 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 14:52:36,949 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 14:52:36,949 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 14:52:36,949 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 14:52:36,950 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:36" (1/1) ... [2024-01-27 14:52:36,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:52:36,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 14:52:36,985 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 14:52:36,991 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 14:52:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 14:52:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-27 14:52:37,025 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-27 14:52:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-27 14:52:37,025 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-27 14:52:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-27 14:52:37,028 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-27 14:52:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-27 14:52:37,029 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-27 14:52:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 14:52:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 14:52:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 14:52:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-27 14:52:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-27 14:52:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 14:52:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 14:52:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 14:52:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 14:52:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-27 14:52:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-27 14:52:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-27 14:52:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-27 14:52:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 14:52:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 14:52:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 14:52:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 14:52:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 14:52:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-27 14:52:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-27 14:52:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 14:52:37,036 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 14:52:37,150 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 14:52:37,152 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 14:52:37,587 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 14:52:37,587 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 14:52:38,087 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 14:52:38,088 INFO L320 CfgBuilder]: Removed 4 assume(true) statements. [2024-01-27 14:52:38,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:52:38 BoogieIcfgContainer [2024-01-27 14:52:38,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 14:52:38,091 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 14:52:38,091 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 14:52:38,094 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 14:52:38,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:52:35" (1/4) ... [2024-01-27 14:52:38,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13109f26 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 02:52:38, skipping insertion in model container [2024-01-27 14:52:38,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 02:52:36" (2/4) ... [2024-01-27 14:52:38,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13109f26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:52:38, skipping insertion in model container [2024-01-27 14:52:38,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:52:36" (3/4) ... [2024-01-27 14:52:38,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13109f26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:52:38, skipping insertion in model container [2024-01-27 14:52:38,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:52:38" (4/4) ... [2024-01-27 14:52:38,097 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-01-27 14:52:38,110 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 14:52:38,110 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 135 error locations. [2024-01-27 14:52:38,110 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 14:52:38,232 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-27 14:52:38,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 238 places, 229 transitions, 486 flow [2024-01-27 14:52:38,333 INFO L124 PetriNetUnfolderBase]: 4/225 cut-off events. [2024-01-27 14:52:38,333 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-27 14:52:38,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 242 conditions, 225 events. 4/225 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 831 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 185. Up to 2 conditions per place. [2024-01-27 14:52:38,339 INFO L82 GeneralOperation]: Start removeDead. Operand has 238 places, 229 transitions, 486 flow [2024-01-27 14:52:38,348 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 233 places, 224 transitions, 472 flow [2024-01-27 14:52:38,360 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 14:52:38,366 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;@22a03f35, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 14:52:38,366 INFO L358 AbstractCegarLoop]: Starting to check reachability of 233 error locations. [2024-01-27 14:52:38,368 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 14:52:38,368 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 14:52:38,368 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 14:52:38,369 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:52:38,369 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 14:52:38,370 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (and 230 more)] === [2024-01-27 14:52:38,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:52:38,375 INFO L85 PathProgramCache]: Analyzing trace with hash 47046, now seen corresponding path program 1 times [2024-01-27 14:52:38,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:52:38,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113285273] [2024-01-27 14:52:38,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:52:38,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:52:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:52:38,550 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 14:52:38,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:52:38,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113285273] [2024-01-27 14:52:38,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113285273] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:52:38,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:52:38,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:52:38,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524534167] [2024-01-27 14:52:38,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:52:38,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:52:38,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:52:38,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:52:38,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:52:38,602 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 229 [2024-01-27 14:52:38,606 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 224 transitions, 472 flow. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 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 14:52:38,606 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:52:38,606 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 229 [2024-01-27 14:52:38,607 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:52:50,583 INFO L124 PetriNetUnfolderBase]: 108090/157383 cut-off events. [2024-01-27 14:52:50,583 INFO L125 PetriNetUnfolderBase]: For 4186/4186 co-relation queries the response was YES. [2024-01-27 14:52:51,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 303546 conditions, 157383 events. 108090/157383 cut-off events. For 4186/4186 co-relation queries the response was YES. Maximal size of possible extension queue 17636. Compared 1513414 event pairs, 48573 based on Foata normal form. 0/70542 useless extension candidates. Maximal degree in co-relation 275135. Up to 84641 conditions per place. [2024-01-27 14:52:52,011 INFO L140 encePairwiseOnDemand]: 163/229 looper letters, 102 selfloop transitions, 2 changer transitions 0/205 dead transitions. [2024-01-27 14:52:52,011 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 205 transitions, 654 flow [2024-01-27 14:52:52,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:52:52,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:52:52,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 537 transitions. [2024-01-27 14:52:52,023 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7816593886462883 [2024-01-27 14:52:52,024 INFO L175 Difference]: Start difference. First operand has 233 places, 224 transitions, 472 flow. Second operand 3 states and 537 transitions. [2024-01-27 14:52:52,025 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 205 transitions, 654 flow [2024-01-27 14:52:53,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 205 transitions, 630 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-01-27 14:52:53,172 INFO L231 Difference]: Finished difference. Result has 168 places, 165 transitions, 354 flow [2024-01-27 14:52:53,173 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=229, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=354, PETRI_PLACES=168, PETRI_TRANSITIONS=165} [2024-01-27 14:52:53,176 INFO L281 CegarLoopForPetriNet]: 233 programPoint places, -65 predicate places. [2024-01-27 14:52:53,176 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 165 transitions, 354 flow [2024-01-27 14:52:53,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 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 14:52:53,176 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:52:53,176 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-27 14:52:53,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-27 14:52:53,177 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (and 230 more)] === [2024-01-27 14:52:53,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:52:53,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1459831, now seen corresponding path program 1 times [2024-01-27 14:52:53,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:52:53,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003835248] [2024-01-27 14:52:53,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:52:53,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:52:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:52:53,204 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 14:52:53,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:52:53,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003835248] [2024-01-27 14:52:53,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003835248] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:52:53,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:52:53,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:52:53,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694739955] [2024-01-27 14:52:53,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:52:53,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:52:53,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:52:53,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:52:53,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:52:53,216 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 229 [2024-01-27 14:52:53,216 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 165 transitions, 354 flow. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 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 14:52:53,216 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:52:53,216 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 229 [2024-01-27 14:52:53,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:53:10,152 INFO L124 PetriNetUnfolderBase]: 200844/268940 cut-off events. [2024-01-27 14:53:10,152 INFO L125 PetriNetUnfolderBase]: For 12602/12602 co-relation queries the response was YES. [2024-01-27 14:53:10,627 INFO L83 FinitePrefix]: Finished finitePrefix Result has 530606 conditions, 268940 events. 200844/268940 cut-off events. For 12602/12602 co-relation queries the response was YES. Maximal size of possible extension queue 17881. Compared 2101508 event pairs, 48998 based on Foata normal form. 270/126604 useless extension candidates. Maximal degree in co-relation 247466. Up to 217291 conditions per place. [2024-01-27 14:53:12,056 INFO L140 encePairwiseOnDemand]: 213/229 looper letters, 101 selfloop transitions, 3 changer transitions 1/199 dead transitions. [2024-01-27 14:53:12,056 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 199 transitions, 639 flow [2024-01-27 14:53:12,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:53:12,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:53:12,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 429 transitions. [2024-01-27 14:53:12,058 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6244541484716157 [2024-01-27 14:53:12,059 INFO L175 Difference]: Start difference. First operand has 168 places, 165 transitions, 354 flow. Second operand 3 states and 429 transitions. [2024-01-27 14:53:12,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 199 transitions, 639 flow [2024-01-27 14:53:12,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 199 transitions, 637 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 14:53:12,062 INFO L231 Difference]: Finished difference. Result has 164 places, 161 transitions, 371 flow [2024-01-27 14:53:12,062 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=229, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=371, PETRI_PLACES=164, PETRI_TRANSITIONS=161} [2024-01-27 14:53:12,063 INFO L281 CegarLoopForPetriNet]: 233 programPoint places, -69 predicate places. [2024-01-27 14:53:12,063 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 161 transitions, 371 flow [2024-01-27 14:53:12,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 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 14:53:12,063 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:53:12,064 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-27 14:53:12,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-27 14:53:12,064 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (and 230 more)] === [2024-01-27 14:53:12,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:53:12,064 INFO L85 PathProgramCache]: Analyzing trace with hash 45256183, now seen corresponding path program 1 times [2024-01-27 14:53:12,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:53:12,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979532957] [2024-01-27 14:53:12,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:53:12,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:53:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:53:12,089 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 14:53:12,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:53:12,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979532957] [2024-01-27 14:53:12,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979532957] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:53:12,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:53:12,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:53:12,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421909055] [2024-01-27 14:53:12,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:53:12,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:53:12,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:53:12,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:53:12,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:53:12,098 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 229 [2024-01-27 14:53:12,098 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 161 transitions, 371 flow. Second operand has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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 14:53:12,098 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:53:12,098 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 229 [2024-01-27 14:53:12,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand