./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 cb09d658 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-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-cb09d65-m [2024-01-27 23:10:29,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 23:10:29,658 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 23:10:29,661 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 23:10:29,661 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 23:10:29,675 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 23:10:29,675 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 23:10:29,676 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 23:10:29,676 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 23:10:29,676 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 23:10:29,677 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 23:10:29,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 23:10:29,677 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 23:10:29,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 23:10:29,678 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 23:10:29,678 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 23:10:29,679 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 23:10:29,679 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 23:10:29,679 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 23:10:29,680 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 23:10:29,680 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 23:10:29,680 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 23:10:29,681 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 23:10:29,681 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 23:10:29,681 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 23:10:29,682 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 23:10:29,682 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 23:10:29,682 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 23:10:29,682 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 23:10:29,683 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 23:10:29,683 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 23:10:29,683 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 23:10:29,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 23:10:29,684 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 23:10:29,684 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 23:10:29,684 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 23:10:29,685 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 23:10:29,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 23:10:29,685 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 23:10:29,685 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 23:10:29,686 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 23:10:29,696 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 23:10:29,696 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 23:10:29,696 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 23:10:29,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 23:10:29,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 23:10:29,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 23:10:29,911 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 23:10:29,911 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 23:10:29,912 INFO L431 ainManager$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 23:10:31,034 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 23:10:31,217 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 23:10:31,218 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-01-27 23:10:31,229 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24bafc3f6/2452ec901de148be81887d634c2daf57/FLAG8f06f316b [2024-01-27 23:10:31,243 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24bafc3f6/2452ec901de148be81887d634c2daf57 [2024-01-27 23:10:31,247 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 23:10:31,248 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 23:10:31,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-proofs-counter-add-4-semi-Q67.wvr.yml/witness.yml [2024-01-27 23:10:31,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 23:10:31,365 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 23:10:31,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 23:10:31,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 23:10:31,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 23:10:31,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:10:31" (1/2) ... [2024-01-27 23:10:31,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25309d19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:10:31, skipping insertion in model container [2024-01-27 23:10:31,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:10:31" (1/2) ... [2024-01-27 23:10:31,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@52242fcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:10:31, skipping insertion in model container [2024-01-27 23:10:31,377 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:10:31" (2/2) ... [2024-01-27 23:10:31,377 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25309d19 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:31, skipping insertion in model container [2024-01-27 23:10:31,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:10:31" (2/2) ... [2024-01-27 23:10:31,377 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 23:10:31,423 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 23:10:31,424 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-01-27 23:10:31,425 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= j1 [2024-01-27 23:10:31,425 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] counter <= 2147483646 [2024-01-27 23:10:31,425 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 1 <= j2 [2024-01-27 23:10:31,425 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= i1 [2024-01-27 23:10:31,425 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= i2 [2024-01-27 23:10:31,425 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-01-27 23:10:31,425 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] (unsigned long )_argptr == 0UL [2024-01-27 23:10:31,426 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] j2 == 0 [2024-01-27 23:10:31,426 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] i2 == 0 [2024-01-27 23:10:31,426 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] counter == 0 [2024-01-27 23:10:31,426 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] j1 == 0 [2024-01-27 23:10:31,426 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] i1 == 0 [2024-01-27 23:10:31,426 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (unsigned long )_argptr == 0UL [2024-01-27 23:10:31,426 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] 0 <= j2 [2024-01-27 23:10:31,427 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] 0 <= i2 [2024-01-27 23:10:31,427 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] 0 <= i1 [2024-01-27 23:10:31,427 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] 0 <= j1 [2024-01-27 23:10:31,427 INFO L98 nessWitnessExtractor]: Loop invariant at [L40-L45] (unsigned long )_argptr == 0UL [2024-01-27 23:10:31,427 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] M2 == 0 [2024-01-27 23:10:31,427 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] M1 == 0 [2024-01-27 23:10:31,428 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] counter == 0 [2024-01-27 23:10:31,428 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] j2 == 0 [2024-01-27 23:10:31,428 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] i1 == 0 [2024-01-27 23:10:31,428 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] N2 == 0 [2024-01-27 23:10:31,428 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] N1 == 0 [2024-01-27 23:10:31,429 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] j1 == 0 [2024-01-27 23:10:31,429 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] i2 == 0 [2024-01-27 23:10:31,429 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] 0 <= j1 [2024-01-27 23:10:31,429 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] 0 <= i1 [2024-01-27 23:10:31,429 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] 0 <= j2 [2024-01-27 23:10:31,429 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] 0 <= i2 [2024-01-27 23:10:31,429 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (unsigned long )_argptr == 0UL [2024-01-27 23:10:31,429 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] -2147483647 <= counter [2024-01-27 23:10:31,430 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (unsigned long )_argptr == 0UL [2024-01-27 23:10:31,430 INFO L98 nessWitnessExtractor]: Loop invariant at [L74-L80] (unsigned long )_argptr == 0UL [2024-01-27 23:10:31,430 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= i1 [2024-01-27 23:10:31,431 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (unsigned long )_argptr == 0UL [2024-01-27 23:10:31,432 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= i2 [2024-01-27 23:10:31,432 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= j1 [2024-01-27 23:10:31,432 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= j2 [2024-01-27 23:10:31,432 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-27 23:10:31,432 INFO L98 nessWitnessExtractor]: Location invariant before [L41-L41] (unsigned long )_argptr == 0UL [2024-01-27 23:10:31,432 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-27 23:10:31,432 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] i2 == 0 [2024-01-27 23:10:31,432 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] counter == 0 [2024-01-27 23:10:31,433 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] i1 == 0 [2024-01-27 23:10:31,433 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] j2 == 0 [2024-01-27 23:10:31,433 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] j1 == 0 [2024-01-27 23:10:31,433 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= i1 [2024-01-27 23:10:31,433 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= j1 [2024-01-27 23:10:31,434 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= i2 [2024-01-27 23:10:31,434 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= j2 [2024-01-27 23:10:31,434 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] (unsigned long )_argptr == 0UL [2024-01-27 23:10:31,434 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] counter <= 2147483646 [2024-01-27 23:10:31,435 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (unsigned long )_argptr == 0UL [2024-01-27 23:10:31,435 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-27 23:10:31,440 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (unsigned long )_argptr == 0UL [2024-01-27 23:10:31,440 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] 1 <= j1 [2024-01-27 23:10:31,441 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] 0 <= i2 [2024-01-27 23:10:31,441 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] 0 <= i1 [2024-01-27 23:10:31,441 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] 0 <= j2 [2024-01-27 23:10:31,441 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] -2147483647 <= counter [2024-01-27 23:10:31,441 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] -2147483647 <= counter [2024-01-27 23:10:31,441 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] 0 <= j1 [2024-01-27 23:10:31,441 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] (unsigned long )_argptr == 0UL [2024-01-27 23:10:31,441 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] 0 <= j2 [2024-01-27 23:10:31,441 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] 0 <= i2 [2024-01-27 23:10:31,442 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] 1 <= i1 [2024-01-27 23:10:31,442 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= j1 [2024-01-27 23:10:31,442 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= i1 [2024-01-27 23:10:31,442 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= j2 [2024-01-27 23:10:31,442 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-27 23:10:31,442 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= i2 [2024-01-27 23:10:31,442 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-01-27 23:10:31,442 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= j1 [2024-01-27 23:10:31,442 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= j2 [2024-01-27 23:10:31,443 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= i1 [2024-01-27 23:10:31,443 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= i2 [2024-01-27 23:10:31,443 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-01-27 23:10:31,443 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] 0 <= j2 [2024-01-27 23:10:31,443 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] 0 <= i2 [2024-01-27 23:10:31,444 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] -2147483647 <= counter [2024-01-27 23:10:31,444 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] 0 <= i1 [2024-01-27 23:10:31,444 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] 0 <= j1 [2024-01-27 23:10:31,444 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] j2 == 0 [2024-01-27 23:10:31,444 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] j1 == 0 [2024-01-27 23:10:31,444 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] i2 == 0 [2024-01-27 23:10:31,444 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] i1 == 0 [2024-01-27 23:10:31,445 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] M1 == 0 [2024-01-27 23:10:31,445 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] M2 == 0 [2024-01-27 23:10:31,445 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] counter == 0 [2024-01-27 23:10:31,445 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-01-27 23:10:31,445 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] 0 <= j2 [2024-01-27 23:10:31,445 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] 0 <= j1 [2024-01-27 23:10:31,445 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] 0 <= i1 [2024-01-27 23:10:31,445 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] 0 <= i2 [2024-01-27 23:10:31,445 INFO L98 nessWitnessExtractor]: Loop invariant at [L63-L68] (unsigned long )_argptr == 0UL [2024-01-27 23:10:31,446 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= i2 [2024-01-27 23:10:31,446 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= j1 [2024-01-27 23:10:31,446 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= j2 [2024-01-27 23:10:31,446 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= i1 [2024-01-27 23:10:31,446 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-27 23:10:31,446 INFO L98 nessWitnessExtractor]: Loop invariant at [L51-L57] (unsigned long )_argptr == 0UL [2024-01-27 23:10:31,446 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] counter <= 2147483646 [2024-01-27 23:10:31,447 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= i2 [2024-01-27 23:10:31,447 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= j2 [2024-01-27 23:10:31,447 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= i1 [2024-01-27 23:10:31,447 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= j1 [2024-01-27 23:10:31,448 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (unsigned long )_argptr == 0UL [2024-01-27 23:10:31,448 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] i1 == 0 [2024-01-27 23:10:31,448 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] N2 == 0 [2024-01-27 23:10:31,449 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] counter == 0 [2024-01-27 23:10:31,449 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] M1 == 0 [2024-01-27 23:10:31,449 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] j1 == 0 [2024-01-27 23:10:31,449 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] M2 == 0 [2024-01-27 23:10:31,449 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] i2 == 0 [2024-01-27 23:10:31,449 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] j2 == 0 [2024-01-27 23:10:31,449 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] i1 == 0 [2024-01-27 23:10:31,449 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] counter == 0 [2024-01-27 23:10:31,450 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] j1 == 0 [2024-01-27 23:10:31,450 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] j2 == 0 [2024-01-27 23:10:31,450 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] M2 == 0 [2024-01-27 23:10:31,450 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] i2 == 0 [2024-01-27 23:10:31,450 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] j2 == 0 [2024-01-27 23:10:31,450 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] j1 == 0 [2024-01-27 23:10:31,450 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] i1 == 0 [2024-01-27 23:10:31,450 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] M2 == 0 [2024-01-27 23:10:31,451 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] counter == 0 [2024-01-27 23:10:31,451 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] i2 == 0 [2024-01-27 23:10:31,451 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= j1 [2024-01-27 23:10:31,451 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] counter <= 2147483646 [2024-01-27 23:10:31,451 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 1 <= i2 [2024-01-27 23:10:31,451 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-27 23:10:31,451 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= j2 [2024-01-27 23:10:31,451 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= i1 [2024-01-27 23:10:31,470 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 23:10:31,606 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 23:10:31,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 23:10:31,619 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 23:10:31,632 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 23:10:31,699 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 23:10:31,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 23:10:31,711 INFO L206 MainTranslator]: Completed translation [2024-01-27 23:10:31,712 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:31 WrapperNode [2024-01-27 23:10:31,712 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 23:10:31,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 23:10:31,713 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 23:10:31,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 23:10:31,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:31" (1/1) ... [2024-01-27 23:10:31,734 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:31" (1/1) ... [2024-01-27 23:10:31,767 INFO L138 Inliner]: procedures = 22, calls = 42, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 230 [2024-01-27 23:10:31,769 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 23:10:31,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 23:10:31,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 23:10:31,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 23:10:31,780 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:31" (1/1) ... [2024-01-27 23:10:31,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:31" (1/1) ... [2024-01-27 23:10:31,795 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:31" (1/1) ... [2024-01-27 23:10:31,813 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 23:10:31,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:31" (1/1) ... [2024-01-27 23:10:31,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:31" (1/1) ... [2024-01-27 23:10:31,819 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:31" (1/1) ... [2024-01-27 23:10:31,821 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:31" (1/1) ... [2024-01-27 23:10:31,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:31" (1/1) ... [2024-01-27 23:10:31,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:31" (1/1) ... [2024-01-27 23:10:31,826 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 23:10:31,827 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 23:10:31,827 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 23:10:31,827 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 23:10:31,827 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:31" (1/1) ... [2024-01-27 23:10:31,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 23:10:31,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 23:10:31,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-27 23:10:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 23:10:31,897 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-27 23:10:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-27 23:10:31,898 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-27 23:10:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-27 23:10:31,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-27 23:10:31,899 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-27 23:10:31,901 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-27 23:10:31,901 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-27 23:10:31,901 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-27 23:10:31,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 23:10:31,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 23:10:31,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 23:10:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-27 23:10:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-27 23:10:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 23:10:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 23:10:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 23:10:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 23:10:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-27 23:10:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-27 23:10:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-27 23:10:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-27 23:10:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 23:10:31,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 23:10:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 23:10:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 23:10:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 23:10:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-27 23:10:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-27 23:10:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 23:10:31,906 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-27 23:10:32,020 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 23:10:32,025 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 23:10:32,395 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 23:10:32,395 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 23:10:32,914 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 23:10:32,914 INFO L320 CfgBuilder]: Removed 4 assume(true) statements. [2024-01-27 23:10:32,915 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:10:32 BoogieIcfgContainer [2024-01-27 23:10:32,915 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 23:10:32,918 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 23:10:32,918 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 23:10:32,921 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 23:10:32,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 11:10:31" (1/4) ... [2024-01-27 23:10:32,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c26c6df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 11:10:32, skipping insertion in model container [2024-01-27 23:10:32,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:10:31" (2/4) ... [2024-01-27 23:10:32,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c26c6df and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 11:10:32, skipping insertion in model container [2024-01-27 23:10:32,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:10:31" (3/4) ... [2024-01-27 23:10:32,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c26c6df and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 11:10:32, skipping insertion in model container [2024-01-27 23:10:32,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:10:32" (4/4) ... [2024-01-27 23:10:32,924 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-01-27 23:10:32,938 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 23:10:32,939 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 135 error locations. [2024-01-27 23:10:32,939 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 23:10:33,036 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-27 23:10:33,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 238 places, 229 transitions, 486 flow [2024-01-27 23:10:33,148 INFO L124 PetriNetUnfolderBase]: 4/225 cut-off events. [2024-01-27 23:10:33,149 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-27 23:10:33,155 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 23:10:33,155 INFO L82 GeneralOperation]: Start removeDead. Operand has 238 places, 229 transitions, 486 flow [2024-01-27 23:10:33,166 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 233 places, 224 transitions, 472 flow [2024-01-27 23:10:33,177 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 23:10:33,184 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;@43356df3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 23:10:33,184 INFO L358 AbstractCegarLoop]: Starting to check reachability of 233 error locations. [2024-01-27 23:10:33,187 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 23:10:33,187 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 23:10:33,187 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 23:10:33,188 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:10:33,188 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 23:10:33,189 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 23:10:33,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:10:33,193 INFO L85 PathProgramCache]: Analyzing trace with hash 47046, now seen corresponding path program 1 times [2024-01-27 23:10:33,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:10:33,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600545981] [2024-01-27 23:10:33,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:10:33,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:10:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:10:33,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:10:33,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:10:33,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600545981] [2024-01-27 23:10:33,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600545981] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:10:33,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:10:33,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:10:33,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981975990] [2024-01-27 23:10:33,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:10:33,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:10:33,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:10:33,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:10:33,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:10:33,421 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 229 [2024-01-27 23:10:33,425 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 224 transitions, 472 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 23:10:33,425 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:10:33,426 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 229 [2024-01-27 23:10:33,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:10:45,274 INFO L124 PetriNetUnfolderBase]: 113690/165883 cut-off events. [2024-01-27 23:10:45,275 INFO L125 PetriNetUnfolderBase]: For 4993/4993 co-relation queries the response was YES. [2024-01-27 23:10:45,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 320822 conditions, 165883 events. 113690/165883 cut-off events. For 4993/4993 co-relation queries the response was YES. Maximal size of possible extension queue 19272. Compared 1615662 event pairs, 48489 based on Foata normal form. 0/75219 useless extension candidates. Maximal degree in co-relation 292357. Up to 92203 conditions per place. [2024-01-27 23:10:47,250 INFO L140 encePairwiseOnDemand]: 163/229 looper letters, 107 selfloop transitions, 2 changer transitions 0/209 dead transitions. [2024-01-27 23:10:47,250 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 209 transitions, 678 flow [2024-01-27 23:10:47,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:10:47,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:10:47,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 539 transitions. [2024-01-27 23:10:47,262 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.784570596797671 [2024-01-27 23:10:47,263 INFO L175 Difference]: Start difference. First operand has 233 places, 224 transitions, 472 flow. Second operand 3 states and 539 transitions. [2024-01-27 23:10:47,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 209 transitions, 678 flow [2024-01-27 23:10:47,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 209 transitions, 650 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-01-27 23:10:47,476 INFO L231 Difference]: Finished difference. Result has 168 places, 165 transitions, 354 flow [2024-01-27 23:10:47,478 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 23:10:47,480 INFO L281 CegarLoopForPetriNet]: 233 programPoint places, -65 predicate places. [2024-01-27 23:10:47,481 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 165 transitions, 354 flow [2024-01-27 23:10:47,481 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 23:10:47,481 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:10:47,481 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-27 23:10:47,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-27 23:10:47,482 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 23:10:47,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:10:47,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1459831, now seen corresponding path program 1 times [2024-01-27 23:10:47,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:10:47,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829421329] [2024-01-27 23:10:47,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:10:47,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:10:47,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:10:47,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:10:47,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:10:47,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829421329] [2024-01-27 23:10:47,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829421329] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:10:47,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:10:47,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:10:47,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32206821] [2024-01-27 23:10:47,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:10:47,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:10:47,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:10:47,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:10:47,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:10:47,525 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 229 [2024-01-27 23:10:47,526 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 165 transitions, 354 flow. Second operand has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:10:47,526 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:10:47,526 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 229 [2024-01-27 23:10:47,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:11:04,454 INFO L124 PetriNetUnfolderBase]: 171366/247631 cut-off events. [2024-01-27 23:11:04,454 INFO L125 PetriNetUnfolderBase]: For 17101/17101 co-relation queries the response was YES. [2024-01-27 23:11:04,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 497305 conditions, 247631 events. 171366/247631 cut-off events. For 17101/17101 co-relation queries the response was YES. Maximal size of possible extension queue 23837. Compared 2418453 event pairs, 71063 based on Foata normal form. 0/130540 useless extension candidates. Maximal degree in co-relation 179856. Up to 139361 conditions per place. [2024-01-27 23:11:06,210 INFO L140 encePairwiseOnDemand]: 217/229 looper letters, 108 selfloop transitions, 2 changer transitions 0/203 dead transitions. [2024-01-27 23:11:06,210 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 203 transitions, 668 flow [2024-01-27 23:11:06,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:11:06,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:11:06,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 427 transitions. [2024-01-27 23:11:06,212 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6215429403202329 [2024-01-27 23:11:06,212 INFO L175 Difference]: Start difference. First operand has 168 places, 165 transitions, 354 flow. Second operand 3 states and 427 transitions. [2024-01-27 23:11:06,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 203 transitions, 668 flow [2024-01-27 23:11:06,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 203 transitions, 665 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 23:11:06,224 INFO L231 Difference]: Finished difference. Result has 164 places, 160 transitions, 358 flow [2024-01-27 23:11:06,225 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=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=358, PETRI_PLACES=164, PETRI_TRANSITIONS=160} [2024-01-27 23:11:06,225 INFO L281 CegarLoopForPetriNet]: 233 programPoint places, -69 predicate places. [2024-01-27 23:11:06,225 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 160 transitions, 358 flow [2024-01-27 23:11:06,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:11:06,226 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:11:06,226 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-27 23:11:06,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-27 23:11:06,226 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 23:11:06,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:11:06,227 INFO L85 PathProgramCache]: Analyzing trace with hash 45256183, now seen corresponding path program 1 times [2024-01-27 23:11:06,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:11:06,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503499948] [2024-01-27 23:11:06,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:11:06,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:11:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:11:06,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:11:06,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:11:06,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503499948] [2024-01-27 23:11:06,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503499948] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:11:06,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:11:06,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:11:06,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271603795] [2024-01-27 23:11:06,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:11:06,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:11:06,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:11:06,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:11:06,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:11:06,266 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 229 [2024-01-27 23:11:06,266 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 160 transitions, 358 flow. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 23:11:06,266 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:11:06,266 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 229 [2024-01-27 23:11:06,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand