./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 27552612 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-2755261-m [2024-01-26 15:22:18,054 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 15:22:18,116 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-26 15:22:18,121 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 15:22:18,121 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 15:22:18,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 15:22:18,144 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 15:22:18,144 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 15:22:18,145 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-26 15:22:18,148 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-26 15:22:18,148 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 15:22:18,148 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 15:22:18,149 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 15:22:18,150 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 15:22:18,150 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 15:22:18,150 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 15:22:18,151 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 15:22:18,151 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 15:22:18,151 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 15:22:18,151 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 15:22:18,151 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 15:22:18,152 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 15:22:18,152 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 15:22:18,152 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 15:22:18,152 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-26 15:22:18,152 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 15:22:18,152 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 15:22:18,153 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 15:22:18,153 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 15:22:18,153 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 15:22:18,154 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-26 15:22:18,154 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 15:22:18,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-26 15:22:18,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 15:22:18,155 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 15:22:18,155 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-26 15:22:18,155 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 15:22:18,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 15:22:18,155 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 15:22:18,155 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-26 15:22:18,155 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 15:22:18,156 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-26 15:22:18,156 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-26 15:22:18,156 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-26 15:22:18,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 15:22:18,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 15:22:18,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 15:22:18,363 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 15:22:18,363 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 15:22:18,364 INFO L431 ainManager$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 [2024-01-26 15:22:19,508 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 15:22:19,759 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 15:22:19,761 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-01-26 15:22:19,777 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77248a9ab/488a1452ad9d4ec5935f8c46efa8cae3/FLAG983de2194 [2024-01-26 15:22:19,809 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77248a9ab/488a1452ad9d4ec5935f8c46efa8cae3 [2024-01-26 15:22:19,811 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-26 15:22:19,811 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-26 15:22:19,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-proofs-counter-add-4-semi-Q67.wvr.yml/witness.yml [2024-01-26 15:22:20,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 15:22:20,103 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 15:22:20,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 15:22:20,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 15:22:20,108 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 15:22:20,108 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 03:22:19" (1/2) ... [2024-01-26 15:22:20,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@267e024c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:22:20, skipping insertion in model container [2024-01-26 15:22:20,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 03:22:19" (1/2) ... [2024-01-26 15:22:20,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@22274eea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:22:20, skipping insertion in model container [2024-01-26 15:22:20,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:22:20" (2/2) ... [2024-01-26 15:22:20,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@267e024c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:22:20, skipping insertion in model container [2024-01-26 15:22:20,112 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:22:20" (2/2) ... [2024-01-26 15:22:20,112 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-26 15:22:20,146 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-26 15:22:20,147 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (unsigned long )_argptr == 0UL [2024-01-26 15:22:20,147 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] 0 <= j1 [2024-01-26 15:22:20,147 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] 0 <= i1 [2024-01-26 15:22:20,147 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] 0 <= i2 [2024-01-26 15:22:20,147 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-01-26 15:22:20,147 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] 0 <= j2 [2024-01-26 15:22:20,148 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= j1 [2024-01-26 15:22:20,148 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-01-26 15:22:20,148 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 1 <= j2 [2024-01-26 15:22:20,148 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] counter <= 2147483646 [2024-01-26 15:22:20,148 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= i2 [2024-01-26 15:22:20,148 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= i1 [2024-01-26 15:22:20,148 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= j2 [2024-01-26 15:22:20,149 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-26 15:22:20,149 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= i1 [2024-01-26 15:22:20,149 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= j1 [2024-01-26 15:22:20,149 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= i2 [2024-01-26 15:22:20,149 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= j1 [2024-01-26 15:22:20,149 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= i1 [2024-01-26 15:22:20,149 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= i2 [2024-01-26 15:22:20,149 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-01-26 15:22:20,151 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= j2 [2024-01-26 15:22:20,151 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] i1 == 0 [2024-01-26 15:22:20,151 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] j1 == 0 [2024-01-26 15:22:20,151 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] counter == 0 [2024-01-26 15:22:20,151 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] j2 == 0 [2024-01-26 15:22:20,151 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] i2 == 0 [2024-01-26 15:22:20,151 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] j2 == 0 [2024-01-26 15:22:20,152 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] counter == 0 [2024-01-26 15:22:20,152 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] i1 == 0 [2024-01-26 15:22:20,152 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] M2 == 0 [2024-01-26 15:22:20,152 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] j1 == 0 [2024-01-26 15:22:20,152 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] i2 == 0 [2024-01-26 15:22:20,152 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-26 15:22:20,152 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] i2 == 0 [2024-01-26 15:22:20,153 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] counter == 0 [2024-01-26 15:22:20,153 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] i1 == 0 [2024-01-26 15:22:20,154 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] j2 == 0 [2024-01-26 15:22:20,155 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] j1 == 0 [2024-01-26 15:22:20,155 INFO L98 nessWitnessExtractor]: Loop invariant at [L40-L45] (unsigned long )_argptr == 0UL [2024-01-26 15:22:20,155 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] i1 == 0 [2024-01-26 15:22:20,155 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] j1 == 0 [2024-01-26 15:22:20,155 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] N2 == 0 [2024-01-26 15:22:20,155 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] M1 == 0 [2024-01-26 15:22:20,155 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] counter == 0 [2024-01-26 15:22:20,156 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] j2 == 0 [2024-01-26 15:22:20,156 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] N1 == 0 [2024-01-26 15:22:20,156 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] i2 == 0 [2024-01-26 15:22:20,157 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] M2 == 0 [2024-01-26 15:22:20,157 INFO L98 nessWitnessExtractor]: Loop invariant at [L74-L80] (unsigned long )_argptr == 0UL [2024-01-26 15:22:20,157 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] counter == 0 [2024-01-26 15:22:20,157 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] M1 == 0 [2024-01-26 15:22:20,157 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] i2 == 0 [2024-01-26 15:22:20,158 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] j2 == 0 [2024-01-26 15:22:20,158 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] j1 == 0 [2024-01-26 15:22:20,158 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] M2 == 0 [2024-01-26 15:22:20,158 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] i1 == 0 [2024-01-26 15:22:20,159 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-26 15:22:20,159 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] (unsigned long )_argptr == 0UL [2024-01-26 15:22:20,159 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= i2 [2024-01-26 15:22:20,159 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= j1 [2024-01-26 15:22:20,159 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] counter <= 2147483646 [2024-01-26 15:22:20,160 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= i1 [2024-01-26 15:22:20,160 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= j2 [2024-01-26 15:22:20,160 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 1 <= i2 [2024-01-26 15:22:20,160 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] counter <= 2147483646 [2024-01-26 15:22:20,160 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-26 15:22:20,160 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= j2 [2024-01-26 15:22:20,160 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= i1 [2024-01-26 15:22:20,160 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= j1 [2024-01-26 15:22:20,160 INFO L98 nessWitnessExtractor]: Location invariant before [L41-L41] (unsigned long )_argptr == 0UL [2024-01-26 15:22:20,161 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] 0 <= i1 [2024-01-26 15:22:20,161 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] 0 <= j1 [2024-01-26 15:22:20,162 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] 0 <= j2 [2024-01-26 15:22:20,162 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] 0 <= i2 [2024-01-26 15:22:20,162 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] -2147483647 <= counter [2024-01-26 15:22:20,164 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-01-26 15:22:20,165 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] -2147483647 <= counter [2024-01-26 15:22:20,165 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] 0 <= j2 [2024-01-26 15:22:20,165 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] 0 <= i1 [2024-01-26 15:22:20,165 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (unsigned long )_argptr == 0UL [2024-01-26 15:22:20,165 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] 0 <= i2 [2024-01-26 15:22:20,165 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] 0 <= j1 [2024-01-26 15:22:20,165 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= j2 [2024-01-26 15:22:20,165 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= i2 [2024-01-26 15:22:20,165 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= j1 [2024-01-26 15:22:20,166 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= i1 [2024-01-26 15:22:20,166 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-26 15:22:20,166 INFO L98 nessWitnessExtractor]: Loop invariant at [L63-L68] (unsigned long )_argptr == 0UL [2024-01-26 15:22:20,166 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] 0 <= i2 [2024-01-26 15:22:20,166 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] -2147483647 <= counter [2024-01-26 15:22:20,166 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] (unsigned long )_argptr == 0UL [2024-01-26 15:22:20,166 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] 0 <= j2 [2024-01-26 15:22:20,166 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] 1 <= i1 [2024-01-26 15:22:20,167 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] 0 <= j1 [2024-01-26 15:22:20,167 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-01-26 15:22:20,167 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (unsigned long )_argptr == 0UL [2024-01-26 15:22:20,167 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] counter == 0 [2024-01-26 15:22:20,167 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] M1 == 0 [2024-01-26 15:22:20,167 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] i2 == 0 [2024-01-26 15:22:20,167 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] N2 == 0 [2024-01-26 15:22:20,167 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] j1 == 0 [2024-01-26 15:22:20,167 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] i1 == 0 [2024-01-26 15:22:20,168 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] j2 == 0 [2024-01-26 15:22:20,168 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] M2 == 0 [2024-01-26 15:22:20,168 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] 0 <= i1 [2024-01-26 15:22:20,169 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (unsigned long )_argptr == 0UL [2024-01-26 15:22:20,169 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] 0 <= j1 [2024-01-26 15:22:20,169 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] 0 <= i2 [2024-01-26 15:22:20,170 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] 0 <= j2 [2024-01-26 15:22:20,170 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= i2 [2024-01-26 15:22:20,170 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= j1 [2024-01-26 15:22:20,170 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= j2 [2024-01-26 15:22:20,170 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= i1 [2024-01-26 15:22:20,171 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (unsigned long )_argptr == 0UL [2024-01-26 15:22:20,171 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] (unsigned long )_argptr == 0UL [2024-01-26 15:22:20,171 INFO L98 nessWitnessExtractor]: Loop invariant at [L51-L57] (unsigned long )_argptr == 0UL [2024-01-26 15:22:20,171 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] 0 <= i2 [2024-01-26 15:22:20,171 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] 0 <= j2 [2024-01-26 15:22:20,172 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] 1 <= j1 [2024-01-26 15:22:20,172 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] -2147483647 <= counter [2024-01-26 15:22:20,172 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (unsigned long )_argptr == 0UL [2024-01-26 15:22:20,172 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] 0 <= i1 [2024-01-26 15:22:20,172 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-26 15:22:20,172 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] counter <= 2147483646 [2024-01-26 15:22:20,172 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= j1 [2024-01-26 15:22:20,172 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= j2 [2024-01-26 15:22:20,172 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= i2 [2024-01-26 15:22:20,173 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] 0 <= i1 [2024-01-26 15:22:20,173 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (unsigned long )_argptr == 0UL [2024-01-26 15:22:20,173 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] i2 == 0 [2024-01-26 15:22:20,173 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] counter == 0 [2024-01-26 15:22:20,173 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] i1 == 0 [2024-01-26 15:22:20,173 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] j1 == 0 [2024-01-26 15:22:20,173 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] M2 == 0 [2024-01-26 15:22:20,173 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] j2 == 0 [2024-01-26 15:22:20,192 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 15:22:20,337 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] [2024-01-26 15:22:20,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 15:22:20,356 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 15:22:20,368 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 [2024-01-26 15:22:20,462 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] [2024-01-26 15:22:20,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 15:22:20,477 INFO L206 MainTranslator]: Completed translation [2024-01-26 15:22:20,478 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:22:20 WrapperNode [2024-01-26 15:22:20,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 15:22:20,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 15:22:20,480 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 15:22:20,480 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 15:22:20,485 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 26.01 03:22:20" (1/1) ... [2024-01-26 15:22:20,501 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 26.01 03:22:20" (1/1) ... [2024-01-26 15:22:20,519 INFO L138 Inliner]: procedures = 22, calls = 42, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 230 [2024-01-26 15:22:20,520 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 15:22:20,520 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 15:22:20,520 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 15:22:20,520 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 15:22:20,528 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:22:20" (1/1) ... [2024-01-26 15:22:20,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:22:20" (1/1) ... [2024-01-26 15:22:20,531 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:22:20" (1/1) ... [2024-01-26 15:22:20,541 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]. [2024-01-26 15:22:20,541 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:22:20" (1/1) ... [2024-01-26 15:22:20,541 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:22:20" (1/1) ... [2024-01-26 15:22:20,547 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:22:20" (1/1) ... [2024-01-26 15:22:20,549 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:22:20" (1/1) ... [2024-01-26 15:22:20,550 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:22:20" (1/1) ... [2024-01-26 15:22:20,551 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:22:20" (1/1) ... [2024-01-26 15:22:20,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 15:22:20,554 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 15:22:20,554 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 15:22:20,554 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 15:22:20,555 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:22:20" (1/1) ... [2024-01-26 15:22:20,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-26 15:22:20,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-26 15:22:20,597 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) [2024-01-26 15:22:20,599 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 [2024-01-26 15:22:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 15:22:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 15:22:20,624 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 15:22:20,624 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 15:22:20,624 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 15:22:20,624 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-26 15:22:20,624 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-26 15:22:20,624 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-26 15:22:20,624 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-26 15:22:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-26 15:22:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-26 15:22:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-26 15:22:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-26 15:22:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-26 15:22:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 15:22:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-26 15:22:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-26 15:22:20,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-26 15:22:20,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-26 15:22:20,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-26 15:22:20,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-26 15:22:20,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-26 15:22:20,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 15:22:20,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 15:22:20,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-26 15:22:20,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-26 15:22:20,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-26 15:22:20,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-26 15:22:20,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-26 15:22:20,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 15:22:20,628 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-26 15:22:20,712 INFO L244 CfgBuilder]: Building ICFG [2024-01-26 15:22:20,714 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 15:22:21,093 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-26 15:22:21,093 INFO L293 CfgBuilder]: Performing block encoding [2024-01-26 15:22:21,448 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 15:22:21,448 INFO L320 CfgBuilder]: Removed 4 assume(true) statements. [2024-01-26 15:22:21,449 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 03:22:21 BoogieIcfgContainer [2024-01-26 15:22:21,449 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 15:22:21,450 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 15:22:21,450 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 15:22:21,452 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 15:22:21,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 03:22:19" (1/4) ... [2024-01-26 15:22:21,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318994d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 03:22:21, skipping insertion in model container [2024-01-26 15:22:21,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:22:20" (2/4) ... [2024-01-26 15:22:21,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318994d0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.01 03:22:21, skipping insertion in model container [2024-01-26 15:22:21,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:22:20" (3/4) ... [2024-01-26 15:22:21,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318994d0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.01 03:22:21, skipping insertion in model container [2024-01-26 15:22:21,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 03:22:21" (4/4) ... [2024-01-26 15:22:21,456 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-01-26 15:22:21,469 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 15:22:21,469 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 135 error locations. [2024-01-26 15:22:21,469 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 15:22:21,578 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-26 15:22:21,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 238 places, 229 transitions, 486 flow [2024-01-26 15:22:21,689 INFO L124 PetriNetUnfolderBase]: 4/225 cut-off events. [2024-01-26 15:22:21,690 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-26 15:22:21,695 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. [2024-01-26 15:22:21,695 INFO L82 GeneralOperation]: Start removeDead. Operand has 238 places, 229 transitions, 486 flow [2024-01-26 15:22:21,704 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 233 places, 224 transitions, 472 flow [2024-01-26 15:22:21,713 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-26 15:22:21,718 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;@204ecb4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 15:22:21,718 INFO L358 AbstractCegarLoop]: Starting to check reachability of 233 error locations. [2024-01-26 15:22:21,719 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-26 15:22:21,719 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-26 15:22:21,719 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-26 15:22:21,720 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:22:21,720 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-26 15:22:21,720 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (and 230 more)] === [2024-01-26 15:22:21,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:22:21,723 INFO L85 PathProgramCache]: Analyzing trace with hash 47046, now seen corresponding path program 1 times [2024-01-26 15:22:21,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:22:21,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082781309] [2024-01-26 15:22:21,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:22:21,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:22:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:22:21,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:22:21,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:22:21,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082781309] [2024-01-26 15:22:21,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082781309] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:22:21,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:22:21,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-26 15:22:21,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741980709] [2024-01-26 15:22:21,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:22:21,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:22:21,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:22:21,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:22:21,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:22:21,884 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 229 [2024-01-26 15:22:21,887 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 224 transitions, 472 flow. Second operand has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 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) [2024-01-26 15:22:21,887 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:22:21,887 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 229 [2024-01-26 15:22:21,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:22:30,400 INFO L124 PetriNetUnfolderBase]: 74458/106186 cut-off events. [2024-01-26 15:22:30,401 INFO L125 PetriNetUnfolderBase]: For 1701/1701 co-relation queries the response was YES. [2024-01-26 15:22:30,658 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207535 conditions, 106186 events. 74458/106186 cut-off events. For 1701/1701 co-relation queries the response was YES. Maximal size of possible extension queue 16012. Compared 1007163 event pairs, 73557 based on Foata normal form. 0/44615 useless extension candidates. Maximal degree in co-relation 190325. Up to 98003 conditions per place. [2024-01-26 15:22:31,228 INFO L140 encePairwiseOnDemand]: 169/229 looper letters, 61 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2024-01-26 15:22:31,228 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 166 transitions, 482 flow [2024-01-26 15:22:31,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 15:22:31,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-26 15:22:31,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 442 transitions. [2024-01-26 15:22:31,246 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6433770014556041 [2024-01-26 15:22:31,248 INFO L175 Difference]: Start difference. First operand has 233 places, 224 transitions, 472 flow. Second operand 3 states and 442 transitions. [2024-01-26 15:22:31,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 166 transitions, 482 flow [2024-01-26 15:22:32,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 166 transitions, 466 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-01-26 15:22:32,825 INFO L231 Difference]: Finished difference. Result has 169 places, 166 transitions, 344 flow [2024-01-26 15:22:32,827 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=229, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=169, PETRI_TRANSITIONS=166} [2024-01-26 15:22:32,829 INFO L281 CegarLoopForPetriNet]: 233 programPoint places, -64 predicate places. [2024-01-26 15:22:32,829 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 166 transitions, 344 flow [2024-01-26 15:22:32,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 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) [2024-01-26 15:22:32,830 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:22:32,830 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-26 15:22:32,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-26 15:22:32,830 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (and 230 more)] === [2024-01-26 15:22:32,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:22:32,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1459831, now seen corresponding path program 1 times [2024-01-26 15:22:32,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:22:32,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296916505] [2024-01-26 15:22:32,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:22:32,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:22:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:22:32,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:22:32,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:22:32,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296916505] [2024-01-26 15:22:32,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296916505] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:22:32,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:22:32,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-26 15:22:32,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2156387] [2024-01-26 15:22:32,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:22:32,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:22:32,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:22:32,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:22:32,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:22:32,874 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 229 [2024-01-26 15:22:32,874 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 166 transitions, 344 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) [2024-01-26 15:22:32,875 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:22:32,875 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 229 [2024-01-26 15:22:32,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:22:43,710 INFO L124 PetriNetUnfolderBase]: 113690/165879 cut-off events. [2024-01-26 15:22:43,711 INFO L125 PetriNetUnfolderBase]: For 1047/1047 co-relation queries the response was YES. [2024-01-26 15:22:44,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 317347 conditions, 165879 events. 113690/165879 cut-off events. For 1047/1047 co-relation queries the response was YES. Maximal size of possible extension queue 19272. Compared 1615862 event pairs, 48489 based on Foata normal form. 0/75219 useless extension candidates. Maximal degree in co-relation 317280. Up to 92203 conditions per place. [2024-01-26 15:22:44,762 INFO L140 encePairwiseOnDemand]: 217/229 looper letters, 107 selfloop transitions, 2 changer transitions 0/205 dead transitions. [2024-01-26 15:22:44,762 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 205 transitions, 646 flow [2024-01-26 15:22:44,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 15:22:44,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-26 15:22:44,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 431 transitions. [2024-01-26 15:22:44,764 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6273653566229985 [2024-01-26 15:22:44,764 INFO L175 Difference]: Start difference. First operand has 169 places, 166 transitions, 344 flow. Second operand 3 states and 431 transitions. [2024-01-26 15:22:44,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 205 transitions, 646 flow [2024-01-26 15:22:44,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 205 transitions, 642 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-26 15:22:44,767 INFO L231 Difference]: Finished difference. Result has 164 places, 161 transitions, 346 flow [2024-01-26 15:22:44,767 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=229, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=346, PETRI_PLACES=164, PETRI_TRANSITIONS=161} [2024-01-26 15:22:44,768 INFO L281 CegarLoopForPetriNet]: 233 programPoint places, -69 predicate places. [2024-01-26 15:22:44,768 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 161 transitions, 346 flow [2024-01-26 15:22:44,769 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) [2024-01-26 15:22:44,769 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:22:44,769 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-26 15:22:44,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-26 15:22:44,769 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (and 230 more)] === [2024-01-26 15:22:44,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:22:44,770 INFO L85 PathProgramCache]: Analyzing trace with hash 45256183, now seen corresponding path program 1 times [2024-01-26 15:22:44,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:22:44,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81903938] [2024-01-26 15:22:44,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:22:44,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:22:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:22:44,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:22:44,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:22:44,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81903938] [2024-01-26 15:22:44,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81903938] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:22:44,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:22:44,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-26 15:22:44,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052784818] [2024-01-26 15:22:44,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:22:44,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:22:44,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:22:44,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:22:44,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:22:44,803 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 229 [2024-01-26 15:22:44,804 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 161 transitions, 346 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) [2024-01-26 15:22:44,804 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:22:44,804 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 229 [2024-01-26 15:22:44,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand