./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/test-easy10.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/test-easy10.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fced0e87 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/test-easy10.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/test-easy10.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-wip.fs.extract-columns-fced0e8-m [2024-01-31 16:11:47,768 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-31 16:11:47,813 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-31 16:11:47,823 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-31 16:11:47,824 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-31 16:11:47,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-31 16:11:47,856 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-31 16:11:47,856 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-31 16:11:47,857 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-31 16:11:47,857 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-31 16:11:47,858 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-31 16:11:47,858 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-31 16:11:47,858 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-31 16:11:47,860 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-31 16:11:47,860 INFO L153 SettingsManager]: * Use SBE=true [2024-01-31 16:11:47,861 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-31 16:11:47,861 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-31 16:11:47,865 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-31 16:11:47,865 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-31 16:11:47,865 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-31 16:11:47,865 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-31 16:11:47,866 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-31 16:11:47,866 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-31 16:11:47,866 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-31 16:11:47,866 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-31 16:11:47,867 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-31 16:11:47,867 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-31 16:11:47,867 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-31 16:11:47,867 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-31 16:11:47,868 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-31 16:11:47,868 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-31 16:11:47,869 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-31 16:11:47,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:11:47,869 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-31 16:11:47,869 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-31 16:11:47,869 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-31 16:11:47,870 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-31 16:11:47,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-31 16:11:47,870 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-31 16:11:47,870 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-31 16:11:47,870 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-31 16:11:47,870 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-31 16:11:47,871 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-31 16:11:47,871 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-31 16:11:48,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-31 16:11:48,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-31 16:11:48,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-31 16:11:48,153 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-31 16:11:48,153 INFO L274 PluginConnector]: CDTParser initialized [2024-01-31 16:11:48,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy10.wvr.c [2024-01-31 16:11:49,178 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-31 16:11:49,337 INFO L384 CDTParser]: Found 1 translation units. [2024-01-31 16:11:49,338 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy10.wvr.c [2024-01-31 16:11:49,348 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eac129207/437c75f49a9c4a1e83e063c611469bd3/FLAG006acfa1d [2024-01-31 16:11:49,357 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eac129207/437c75f49a9c4a1e83e063c611469bd3 [2024-01-31 16:11:49,359 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-31 16:11:49,360 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-31 16:11:49,360 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/test-easy10.wvr.yml/witness.yml [2024-01-31 16:11:49,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-31 16:11:49,531 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-31 16:11:49,532 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-31 16:11:49,532 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-31 16:11:49,535 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-31 16:11:49,536 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:11:49" (1/2) ... [2024-01-31 16:11:49,538 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b4e790b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:11:49, skipping insertion in model container [2024-01-31 16:11:49,538 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:11:49" (1/2) ... [2024-01-31 16:11:49,539 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1615d838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:11:49, skipping insertion in model container [2024-01-31 16:11:49,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:11:49" (2/2) ... [2024-01-31 16:11:49,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b4e790b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:11:49, skipping insertion in model container [2024-01-31 16:11:49,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:11:49" (2/2) ... [2024-01-31 16:11:49,540 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-31 16:11:49,646 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-31 16:11:49,648 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] (((((((((((x1 == 0U) && (x2 == 0U)) && (y1 == 0U)) && (y2 == 0U)) && (t11 == (_Bool)0)) && (t12 == (_Bool)0)) && (t21 == (_Bool)0)) && (t22 == (_Bool)0)) && (f11 == (_Bool)0)) && (f12 == (_Bool)0)) && (f21 == (_Bool)0)) && (f22 == (_Bool)0) [2024-01-31 16:11:49,648 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] (((((((((y1 == 0U) && (y2 == 0U)) && (t11 == (_Bool)0)) && (t12 == (_Bool)0)) && (t21 == (_Bool)0)) && (t22 == (_Bool)0)) && (f11 == (_Bool)0)) && (f12 == (_Bool)0)) && (f21 == (_Bool)0)) && (f22 == (_Bool)0) [2024-01-31 16:11:49,648 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,648 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-01-31 16:11:49,648 INFO L98 nessWitnessExtractor]: Location invariant before [L120-L120] (unsigned long )_argptr == 0UL [2024-01-31 16:11:49,649 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (unsigned long )_argptr == 0UL [2024-01-31 16:11:49,649 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,649 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,649 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] ((((((((((y1 <= 1U) && ((unsigned long )_argptr == 0UL)) && (y1 == 0U || y1 == 1U)) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,649 INFO L98 nessWitnessExtractor]: Location invariant before [L102-L102] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,649 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,650 INFO L98 nessWitnessExtractor]: Location invariant before [L121-L121] ((((((((f12 == (_Bool)1) && ((unsigned long )_argptr == 0UL)) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,650 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,650 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] (unsigned long )_argptr == 0UL [2024-01-31 16:11:49,650 INFO L98 nessWitnessExtractor]: Location invariant before [L118-L118] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,650 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (unsigned long )_argptr == 0UL [2024-01-31 16:11:49,650 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,650 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] (unsigned long )_argptr == 0UL [2024-01-31 16:11:49,651 INFO L98 nessWitnessExtractor]: Location invariant before [L119-L119] ((((((((f22 == (_Bool)1) && ((unsigned long )_argptr == 0UL)) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1) [2024-01-31 16:11:49,651 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] ((((((((((x2 <= 1U) && ((unsigned long )_argptr == 0UL)) && (x2 == 0U || x2 == 1U)) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,651 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] ((((((((f12 == (_Bool)1) && ((unsigned long )_argptr == 0UL)) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,651 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,651 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] (unsigned long )_argptr == 0UL [2024-01-31 16:11:49,652 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,652 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,652 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] ((((((((f21 == (_Bool)1) && ((unsigned long )_argptr == 0UL)) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,652 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,652 INFO L98 nessWitnessExtractor]: Location invariant before [L125-L125] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,652 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,652 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,653 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (unsigned long )_argptr == 0UL [2024-01-31 16:11:49,653 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] (unsigned long )_argptr == 0UL [2024-01-31 16:11:49,653 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] (unsigned long )_argptr == 0UL [2024-01-31 16:11:49,653 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] ((((((((((y2 <= 1U) && ((unsigned long )_argptr == 0UL)) && (y2 == 0U || y2 == 1U)) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,653 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,653 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,653 INFO L98 nessWitnessExtractor]: Location invariant before [L105-L105] ((((((((((y2 <= 1U) && ((unsigned long )_argptr == 0UL)) && (y2 == 0U || y2 == 1U)) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,653 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] (unsigned long )_argptr == 0UL [2024-01-31 16:11:49,654 INFO L98 nessWitnessExtractor]: Location invariant before [L143-L143] (((((((t11 == (_Bool)0) && (t12 == (_Bool)0)) && (t21 == (_Bool)0)) && (t22 == (_Bool)0)) && (f11 == (_Bool)0)) && (f12 == (_Bool)0)) && (f21 == (_Bool)0)) && (f22 == (_Bool)0) [2024-01-31 16:11:49,655 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,655 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] ((((((((((x2 <= 1U) && ((unsigned long )_argptr == 0UL)) && (x2 == 0U || x2 == 1U)) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,655 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] (unsigned long )_argptr == 0UL [2024-01-31 16:11:49,655 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,655 INFO L98 nessWitnessExtractor]: Location invariant before [L139-L139] ((((((((y2 == 0U) && (t11 == (_Bool)0)) && (t12 == (_Bool)0)) && (t21 == (_Bool)0)) && (t22 == (_Bool)0)) && (f11 == (_Bool)0)) && (f12 == (_Bool)0)) && (f21 == (_Bool)0)) && (f22 == (_Bool)0) [2024-01-31 16:11:49,655 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] ((((((((f11 == (_Bool)1) && ((unsigned long )_argptr == 0UL)) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,655 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] (((((((t11 == (_Bool)0) && (t12 == (_Bool)0)) && (t21 == (_Bool)0)) && (t22 == (_Bool)0)) && (f11 == (_Bool)0)) && (f12 == (_Bool)0)) && (f21 == (_Bool)0)) && (f22 == (_Bool)0) [2024-01-31 16:11:49,656 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] (unsigned long )_argptr == 0UL [2024-01-31 16:11:49,656 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] ((((((((((x1 <= 1U) && ((unsigned long )_argptr == 0UL)) && (x1 == 0U || x1 == 1U)) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,656 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] ((((((((((x2 == 0U) && (y1 == 0U)) && (y2 == 0U)) && (t11 == (_Bool)0)) && (t12 == (_Bool)0)) && (t21 == (_Bool)0)) && (t22 == (_Bool)0)) && (f11 == (_Bool)0)) && (f12 == (_Bool)0)) && (f21 == (_Bool)0)) && (f22 == (_Bool)0) [2024-01-31 16:11:49,656 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,656 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-01-31 16:11:49,656 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] (unsigned long )_argptr == 0UL [2024-01-31 16:11:49,657 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] ((((((((((y1 <= 1U) && ((unsigned long )_argptr == 0UL)) && (y1 == 0U || y1 == 1U)) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,657 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,657 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] ((((((((f12 == (_Bool)1) && ((unsigned long )_argptr == 0UL)) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,658 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] (unsigned long )_argptr == 0UL [2024-01-31 16:11:49,658 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,658 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,658 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] (unsigned long )_argptr == 0UL [2024-01-31 16:11:49,659 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] (unsigned long )_argptr == 0UL [2024-01-31 16:11:49,659 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] ((((((((f11 == (_Bool)1) && ((unsigned long )_argptr == 0UL)) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,659 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] ((((((((f11 == (_Bool)1) && ((unsigned long )_argptr == 0UL)) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,659 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,659 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-31 16:11:49,659 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,659 INFO L98 nessWitnessExtractor]: Location invariant before [L46-L46] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,659 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,660 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (unsigned long )_argptr == 0UL [2024-01-31 16:11:49,660 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] (unsigned long )_argptr == 0UL [2024-01-31 16:11:49,660 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] (unsigned long )_argptr == 0UL [2024-01-31 16:11:49,660 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] (unsigned long )_argptr == 0UL [2024-01-31 16:11:49,660 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,660 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,660 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,660 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-31 16:11:49,661 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,661 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] (((((((((unsigned long )_argptr == 0UL) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,661 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] (unsigned long )_argptr == 0UL [2024-01-31 16:11:49,661 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (unsigned long )_argptr == 0UL [2024-01-31 16:11:49,661 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (unsigned long )_argptr == 0UL [2024-01-31 16:11:49,661 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] ((((((((((x1 <= 1U) && ((unsigned long )_argptr == 0UL)) && (x1 == 0U || x1 == 1U)) && (t11 == (_Bool)0 || t11 == (_Bool)1)) && (t12 == (_Bool)0 || t12 == (_Bool)1)) && (t21 == (_Bool)0 || t21 == (_Bool)1)) && (t22 == (_Bool)0 || t22 == (_Bool)1)) && (f11 == (_Bool)0 || f11 == (_Bool)1)) && (f12 == (_Bool)0 || f12 == (_Bool)1)) && (f21 == (_Bool)0 || f21 == (_Bool)1)) && (f22 == (_Bool)0 || f22 == (_Bool)1) [2024-01-31 16:11:49,661 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] (unsigned long )_argptr == 0UL [2024-01-31 16:11:49,684 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-01-31 16:11:49,837 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/test-easy10.wvr.c[3959,3972] [2024-01-31 16:11:49,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:11:49,851 INFO L204 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-31 16:11:50,009 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/test-easy10.wvr.c[3959,3972] [2024-01-31 16:11:50,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:11:50,021 INFO L208 MainTranslator]: Completed translation [2024-01-31 16:11:50,022 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:11:50 WrapperNode [2024-01-31 16:11:50,022 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-31 16:11:50,023 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-31 16:11:50,023 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-31 16:11:50,023 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-31 16:11:50,028 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 31.01 04:11:50" (1/1) ... [2024-01-31 16:11:50,045 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 31.01 04:11:50" (1/1) ... [2024-01-31 16:11:50,089 INFO L138 Inliner]: procedures = 23, calls = 84, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 277 [2024-01-31 16:11:50,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-31 16:11:50,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-31 16:11:50,091 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-31 16:11:50,091 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-31 16:11:50,099 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:11:50" (1/1) ... [2024-01-31 16:11:50,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:11:50" (1/1) ... [2024-01-31 16:11:50,113 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:11:50" (1/1) ... [2024-01-31 16:11:50,133 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]. [2024-01-31 16:11:50,138 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:11:50" (1/1) ... [2024-01-31 16:11:50,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:11:50" (1/1) ... [2024-01-31 16:11:50,163 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:11:50" (1/1) ... [2024-01-31 16:11:50,174 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:11:50" (1/1) ... [2024-01-31 16:11:50,181 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:11:50" (1/1) ... [2024-01-31 16:11:50,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:11:50" (1/1) ... [2024-01-31 16:11:50,189 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-31 16:11:50,193 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-31 16:11:50,194 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-31 16:11:50,194 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-31 16:11:50,195 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:11:50" (1/1) ... [2024-01-31 16:11:50,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:11:50,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-31 16:11:50,232 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) [2024-01-31 16:11:50,279 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 [2024-01-31 16:11:50,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-31 16:11:50,370 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-31 16:11:50,370 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-31 16:11:50,370 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-31 16:11:50,370 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-31 16:11:50,370 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-31 16:11:50,370 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-31 16:11:50,370 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-31 16:11:50,370 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-31 16:11:50,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-31 16:11:50,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-31 16:11:50,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-31 16:11:50,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-31 16:11:50,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-31 16:11:50,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-31 16:11:50,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-31 16:11:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-31 16:11:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-31 16:11:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-31 16:11:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-31 16:11:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-31 16:11:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-31 16:11:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-31 16:11:50,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-31 16:11:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-31 16:11:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-31 16:11:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-31 16:11:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-31 16:11:50,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-31 16:11:50,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-31 16:11:50,375 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-31 16:11:50,502 INFO L244 CfgBuilder]: Building ICFG [2024-01-31 16:11:50,503 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-31 16:11:51,166 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-31 16:11:51,167 INFO L293 CfgBuilder]: Performing block encoding [2024-01-31 16:11:51,572 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-31 16:11:51,572 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-31 16:11:51,573 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:11:51 BoogieIcfgContainer [2024-01-31 16:11:51,574 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-31 16:11:51,577 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-31 16:11:51,577 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-31 16:11:51,579 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-31 16:11:51,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:11:49" (1/4) ... [2024-01-31 16:11:51,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df7d52b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:11:51, skipping insertion in model container [2024-01-31 16:11:51,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:11:49" (2/4) ... [2024-01-31 16:11:51,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df7d52b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 31.01 04:11:51, skipping insertion in model container [2024-01-31 16:11:51,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:11:50" (3/4) ... [2024-01-31 16:11:51,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df7d52b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 31.01 04:11:51, skipping insertion in model container [2024-01-31 16:11:51,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:11:51" (4/4) ... [2024-01-31 16:11:51,584 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy10.wvr.c [2024-01-31 16:11:51,598 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-31 16:11:51,598 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 83 error locations. [2024-01-31 16:11:51,598 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-31 16:11:51,766 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-31 16:11:51,803 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 180 places, 167 transitions, 362 flow [2024-01-31 16:11:51,894 INFO L124 PetriNetUnfolderBase]: 0/163 cut-off events. [2024-01-31 16:11:51,895 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-31 16:11:51,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 180 conditions, 163 events. 0/163 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 681 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-01-31 16:11:51,897 INFO L82 GeneralOperation]: Start removeDead. Operand has 180 places, 167 transitions, 362 flow [2024-01-31 16:11:51,903 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 175 places, 162 transitions, 348 flow [2024-01-31 16:11:51,910 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-31 16:11:51,915 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;@24cf2912, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-31 16:11:51,916 INFO L358 AbstractCegarLoop]: Starting to check reachability of 163 error locations. [2024-01-31 16:11:51,918 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-31 16:11:51,918 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-31 16:11:51,918 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:11:51,918 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:11:51,919 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-31 16:11:51,919 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 160 more)] === [2024-01-31 16:11:51,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:11:51,923 INFO L85 PathProgramCache]: Analyzing trace with hash 22598, now seen corresponding path program 1 times [2024-01-31 16:11:51,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:11:51,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605202995] [2024-01-31 16:11:51,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:11:51,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:11:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:11:52,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:11:52,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:11:52,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605202995] [2024-01-31 16:11:52,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605202995] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:11:52,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:11:52,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-31 16:11:52,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007765810] [2024-01-31 16:11:52,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:11:52,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:11:52,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:11:52,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:11:52,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:11:52,808 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 167 [2024-01-31 16:11:52,811 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 162 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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) [2024-01-31 16:11:52,812 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:11:52,812 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 167 [2024-01-31 16:11:52,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand