./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i --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/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.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/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.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 16:03:32,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-31 16:03:32,459 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-31 16:03:32,467 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-31 16:03:32,468 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-31 16:03:32,511 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-31 16:03:32,512 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-31 16:03:32,512 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-31 16:03:32,513 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-31 16:03:32,516 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-31 16:03:32,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-31 16:03:32,517 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-31 16:03:32,517 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-31 16:03:32,518 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-31 16:03:32,519 INFO L153 SettingsManager]: * Use SBE=true [2024-01-31 16:03:32,519 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-31 16:03:32,519 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-31 16:03:32,519 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-31 16:03:32,520 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-31 16:03:32,520 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-31 16:03:32,520 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-31 16:03:32,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-31 16:03:32,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-31 16:03:32,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-31 16:03:32,521 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-31 16:03:32,521 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-31 16:03:32,521 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-31 16:03:32,521 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-31 16:03:32,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-31 16:03:32,522 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-31 16:03:32,523 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-31 16:03:32,523 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-31 16:03:32,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:03:32,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-31 16:03:32,524 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-31 16:03:32,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-31 16:03:32,524 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-31 16:03:32,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-31 16:03:32,525 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-31 16:03:32,525 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-31 16:03:32,525 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-31 16:03:32,525 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-31 16:03:32,525 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-31 16:03:32,526 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-31 16:03:32,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-31 16:03:32,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-31 16:03:32,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-31 16:03:32,815 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-31 16:03:32,815 INFO L274 PluginConnector]: CDTParser initialized [2024-01-31 16:03:32,816 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-01-31 16:03:33,988 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-31 16:03:34,242 INFO L384 CDTParser]: Found 1 translation units. [2024-01-31 16:03:34,243 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-01-31 16:03:34,263 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6680c5d7/5c5e6c8279f147a39b76bdeb7bf82936/FLAG0c6619b90 [2024-01-31 16:03:34,281 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6680c5d7/5c5e6c8279f147a39b76bdeb7bf82936 [2024-01-31 16:03:34,284 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-31 16:03:34,284 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-31 16:03:34,286 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.yml/witness.yml [2024-01-31 16:03:34,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-31 16:03:34,602 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-31 16:03:34,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-31 16:03:34,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-31 16:03:34,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-31 16:03:34,610 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:03:34" (1/2) ... [2024-01-31 16:03:34,612 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f4ae87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:03:34, skipping insertion in model container [2024-01-31 16:03:34,612 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:03:34" (1/2) ... [2024-01-31 16:03:34,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@36352c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:03:34, skipping insertion in model container [2024-01-31 16:03:34,614 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:03:34" (2/2) ... [2024-01-31 16:03:34,614 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f4ae87 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:03:34, skipping insertion in model container [2024-01-31 16:03:34,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:03:34" (2/2) ... [2024-01-31 16:03:34,614 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-31 16:03:35,062 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-31 16:03:35,064 INFO L98 nessWitnessExtractor]: Location invariant before [L776-L776] ((((((__unbuffered_cnt == 0) && (__unbuffered_p0_EAX == 0)) && (__unbuffered_p2_EAX == 0)) && (main$tmp_guard0 == (_Bool)0)) && (main$tmp_guard1 == (_Bool)0)) && (x == 0)) && (y == 0) [2024-01-31 16:03:35,064 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:35,065 INFO L98 nessWitnessExtractor]: Location invariant before [L747-L747] (unsigned long )arg == 0UL [2024-01-31 16:03:35,065 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:35,065 INFO L98 nessWitnessExtractor]: Location invariant before [L789-L789] (((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:35,065 INFO L98 nessWitnessExtractor]: Location invariant before [L734-L734] ((((((((((((((((0 <= __unbuffered_p0_EAX) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:35,065 INFO L98 nessWitnessExtractor]: Location invariant before [L735-L735] (unsigned long )arg == 0UL [2024-01-31 16:03:35,065 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L18] expression == 1 [2024-01-31 16:03:35,065 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:35,066 INFO L98 nessWitnessExtractor]: Location invariant before [L722-L722] (unsigned long )arg == 0UL [2024-01-31 16:03:35,066 INFO L98 nessWitnessExtractor]: Location invariant before [L744-L744] (unsigned long )arg == 0UL [2024-01-31 16:03:35,066 INFO L98 nessWitnessExtractor]: Location invariant before [L762-L762] (unsigned long )arg == 0UL [2024-01-31 16:03:35,066 INFO L98 nessWitnessExtractor]: Location invariant before [L761-L761] ((((((((((((((((0 <= __unbuffered_p0_EAX) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:35,066 INFO L98 nessWitnessExtractor]: Location invariant before [L782-L782] (((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:35,066 INFO L98 nessWitnessExtractor]: Location invariant before [L755-L755] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:35,067 INFO L98 nessWitnessExtractor]: Location invariant before [L788-L788] ((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y == 2)) && (__unbuffered_p0_EAX == 0 || ((0 <= __unbuffered_p0_EAX && __unbuffered_p0_EAX <= 1) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)))) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1) [2024-01-31 16:03:35,067 INFO L98 nessWitnessExtractor]: Location invariant before [L740-L740] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:35,067 INFO L98 nessWitnessExtractor]: Location invariant before [L759-L759] (unsigned long )arg == 0UL [2024-01-31 16:03:35,067 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L18] expression == 1 [2024-01-31 16:03:35,067 INFO L98 nessWitnessExtractor]: Location invariant before [L756-L756] (((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y == 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1) [2024-01-31 16:03:35,067 INFO L98 nessWitnessExtractor]: Location invariant before [L739-L739] (unsigned long )arg == 0UL [2024-01-31 16:03:35,068 INFO L98 nessWitnessExtractor]: Location invariant before [L754-L754] (unsigned long )arg == 0UL [2024-01-31 16:03:35,068 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L18] expression == 0 [2024-01-31 16:03:35,068 INFO L98 nessWitnessExtractor]: Location invariant before [L746-L746] ((((((((((((((((0 <= __unbuffered_p0_EAX) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:35,068 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:35,069 INFO L98 nessWitnessExtractor]: Location invariant before [L724-L724] (((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y == 2)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1) [2024-01-31 16:03:35,069 INFO L98 nessWitnessExtractor]: Location invariant before [L733-L733] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:35,069 INFO L98 nessWitnessExtractor]: Location invariant before [L727-L727] (unsigned long )arg == 0UL [2024-01-31 16:03:35,069 INFO L98 nessWitnessExtractor]: Location invariant before [L731-L731] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:35,069 INFO L98 nessWitnessExtractor]: Location invariant before [L745-L745] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:35,070 INFO L98 nessWitnessExtractor]: Location invariant before [L760-L760] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:35,070 INFO L98 nessWitnessExtractor]: Location invariant before [L730-L730] (unsigned long )arg == 0UL [2024-01-31 16:03:35,070 INFO L98 nessWitnessExtractor]: Location invariant before [L18-L18] expression == 0 [2024-01-31 16:03:35,070 INFO L98 nessWitnessExtractor]: Location invariant before [L783-L783] (((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:35,070 INFO L98 nessWitnessExtractor]: Location invariant before [L18-L18] expression == 1 [2024-01-31 16:03:35,071 INFO L98 nessWitnessExtractor]: Location invariant before [L732-L732] (unsigned long )arg == 0UL [2024-01-31 16:03:35,071 INFO L98 nessWitnessExtractor]: Location invariant before [L751-L751] (unsigned long )arg == 0UL [2024-01-31 16:03:35,071 INFO L98 nessWitnessExtractor]: Location invariant before [L725-L725] (unsigned long )arg == 0UL [2024-01-31 16:03:35,072 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] ((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (y <= 2)) && (y <= 127)) && (x == 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:35,073 INFO L98 nessWitnessExtractor]: Location invariant before [L758-L758] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:35,073 INFO L98 nessWitnessExtractor]: Location invariant before [L753-L753] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:35,073 INFO L98 nessWitnessExtractor]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-01-31 16:03:35,073 INFO L98 nessWitnessExtractor]: Location invariant before [L786-L786] (((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:35,073 INFO L98 nessWitnessExtractor]: Location invariant before [L752-L752] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:35,073 INFO L98 nessWitnessExtractor]: Location invariant before [L757-L757] (unsigned long )arg == 0UL [2024-01-31 16:03:35,073 INFO L98 nessWitnessExtractor]: Location invariant before [L742-L742] (unsigned long )arg == 0UL [2024-01-31 16:03:35,074 INFO L98 nessWitnessExtractor]: Location invariant before [L729-L729] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:35,121 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-01-31 16:03:35,263 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-01-31 16:03:35,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:03:35,420 INFO L204 MainTranslator]: Completed pre-run Start Parsing Local [2024-01-31 16:03:35,458 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] Start Parsing Local Start Parsing Local [2024-01-31 16:03:35,459 WARN L424 MainDispatcher]: Unable to annotate ; 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 [2024-01-31 16:03:35,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:03:35,623 INFO L208 MainTranslator]: Completed translation [2024-01-31 16:03:35,625 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:03:35 WrapperNode [2024-01-31 16:03:35,626 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-31 16:03:35,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-31 16:03:35,628 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-31 16:03:35,628 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-31 16:03:35,633 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 04:03:35" (1/1) ... [2024-01-31 16:03:35,647 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 04:03:35" (1/1) ... [2024-01-31 16:03:35,666 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2024-01-31 16:03:35,667 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-31 16:03:35,667 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-31 16:03:35,667 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-31 16:03:35,667 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-31 16:03:35,713 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 04:03:35" (1/1) ... [2024-01-31 16:03:35,714 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 04:03:35" (1/1) ... [2024-01-31 16:03:35,717 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 04:03:35" (1/1) ... [2024-01-31 16:03:35,779 INFO L175 MemorySlicer]: Split 5 memory accesses to 4 slices as follows [2, 1, 1, 1]. 40 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-01-31 16:03:35,779 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 04:03:35" (1/1) ... [2024-01-31 16:03:35,779 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 04:03:35" (1/1) ... [2024-01-31 16:03:35,800 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 04:03:35" (1/1) ... [2024-01-31 16:03:35,814 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 04:03:35" (1/1) ... [2024-01-31 16:03:35,816 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 04:03:35" (1/1) ... [2024-01-31 16:03:35,818 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 04:03:35" (1/1) ... [2024-01-31 16:03:35,821 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-31 16:03:35,828 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-31 16:03:35,828 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-31 16:03:35,828 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-31 16:03:35,829 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 04:03:35" (1/1) ... [2024-01-31 16:03:35,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:03:35,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-31 16:03:35,869 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 16:03:35,890 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 16:03:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-31 16:03:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-31 16:03:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-31 16:03:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-31 16:03:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-31 16:03:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-31 16:03:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-31 16:03:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-31 16:03:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-01-31 16:03:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-01-31 16:03:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-01-31 16:03:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-01-31 16:03:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-01-31 16:03:35,909 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-01-31 16:03:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-31 16:03:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-31 16:03:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-31 16:03:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-31 16:03:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-31 16:03:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-31 16:03:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-31 16:03:35,911 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 16:03:36,019 INFO L244 CfgBuilder]: Building ICFG [2024-01-31 16:03:36,021 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-31 16:03:36,486 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-31 16:03:36,487 INFO L293 CfgBuilder]: Performing block encoding [2024-01-31 16:03:36,692 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-31 16:03:36,693 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-31 16:03:36,693 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:03:36 BoogieIcfgContainer [2024-01-31 16:03:36,694 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-31 16:03:36,696 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-31 16:03:36,697 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-31 16:03:36,699 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-31 16:03:36,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:03:34" (1/4) ... [2024-01-31 16:03:36,701 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@313df715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:03:36, skipping insertion in model container [2024-01-31 16:03:36,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:03:34" (2/4) ... [2024-01-31 16:03:36,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@313df715 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 31.01 04:03:36, skipping insertion in model container [2024-01-31 16:03:36,702 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 04:03:35" (3/4) ... [2024-01-31 16:03:36,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@313df715 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 31.01 04:03:36, skipping insertion in model container [2024-01-31 16:03:36,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:03:36" (4/4) ... [2024-01-31 16:03:36,704 INFO L112 eAbstractionObserver]: Analyzing ICFG safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-01-31 16:03:36,720 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-31 16:03:36,720 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 45 error locations. [2024-01-31 16:03:36,720 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-31 16:03:36,866 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-31 16:03:36,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 106 places, 97 transitions, 206 flow [2024-01-31 16:03:36,937 INFO L124 PetriNetUnfolderBase]: 1/94 cut-off events. [2024-01-31 16:03:36,937 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:03:36,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 1/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 386 event pairs, 0 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2024-01-31 16:03:36,942 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 97 transitions, 206 flow [2024-01-31 16:03:36,945 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 94 transitions, 197 flow [2024-01-31 16:03:36,952 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-31 16:03:36,957 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;@6632c8b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-31 16:03:36,958 INFO L358 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2024-01-31 16:03:36,959 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-31 16:03:36,959 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-31 16:03:36,959 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:03:36,960 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:03:36,960 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-31 16:03:36,960 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 80 more)] === [2024-01-31 16:03:36,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:03:36,964 INFO L85 PathProgramCache]: Analyzing trace with hash 12106, now seen corresponding path program 1 times [2024-01-31 16:03:36,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:03:36,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816335954] [2024-01-31 16:03:36,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:03:36,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:03:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:03:37,214 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 16:03:37,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:03:37,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816335954] [2024-01-31 16:03:37,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816335954] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:03:37,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:03:37,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-31 16:03:37,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950283899] [2024-01-31 16:03:37,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:03:37,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:03:37,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:03:37,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:03:37,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:03:37,253 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 97 [2024-01-31 16:03:37,256 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 94 transitions, 197 flow. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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 16:03:37,257 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:03:37,257 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 97 [2024-01-31 16:03:37,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:03:42,448 INFO L124 PetriNetUnfolderBase]: 27447/48110 cut-off events. [2024-01-31 16:03:42,449 INFO L125 PetriNetUnfolderBase]: For 102/102 co-relation queries the response was YES. [2024-01-31 16:03:42,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86430 conditions, 48110 events. 27447/48110 cut-off events. For 102/102 co-relation queries the response was YES. Maximal size of possible extension queue 2338. Compared 476478 event pairs, 19327 based on Foata normal form. 864/29431 useless extension candidates. Maximal degree in co-relation 86417. Up to 37957 conditions per place. [2024-01-31 16:03:42,812 INFO L140 encePairwiseOnDemand]: 79/97 looper letters, 54 selfloop transitions, 4 changer transitions 0/96 dead transitions. [2024-01-31 16:03:42,813 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 96 transitions, 323 flow [2024-01-31 16:03:42,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:03:42,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:03:42,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 200 transitions. [2024-01-31 16:03:42,825 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6872852233676976 [2024-01-31 16:03:42,826 INFO L175 Difference]: Start difference. First operand has 103 places, 94 transitions, 197 flow. Second operand 3 states and 200 transitions. [2024-01-31 16:03:42,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 96 transitions, 323 flow [2024-01-31 16:03:42,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 96 transitions, 318 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-01-31 16:03:42,838 INFO L231 Difference]: Finished difference. Result has 92 places, 85 transitions, 198 flow [2024-01-31 16:03:42,839 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=198, PETRI_PLACES=92, PETRI_TRANSITIONS=85} [2024-01-31 16:03:42,843 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, -11 predicate places. [2024-01-31 16:03:42,848 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 85 transitions, 198 flow [2024-01-31 16:03:42,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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 16:03:42,848 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:03:42,849 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-31 16:03:42,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-31 16:03:42,849 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 80 more)] === [2024-01-31 16:03:42,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:03:42,851 INFO L85 PathProgramCache]: Analyzing trace with hash 361159996, now seen corresponding path program 1 times [2024-01-31 16:03:42,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:03:42,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533345869] [2024-01-31 16:03:42,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:03:42,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:03:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:03:42,952 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 16:03:42,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:03:42,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533345869] [2024-01-31 16:03:42,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533345869] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:03:42,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:03:42,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-31 16:03:42,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665267439] [2024-01-31 16:03:42,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:03:42,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-31 16:03:42,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:03:42,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-31 16:03:42,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-31 16:03:42,985 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 97 [2024-01-31 16:03:42,987 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 85 transitions, 198 flow. Second operand has 4 states, 4 states have (on average 36.25) internal successors, (145), 4 states have internal predecessors, (145), 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 16:03:42,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:03:42,987 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 97 [2024-01-31 16:03:42,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:03:48,115 INFO L124 PetriNetUnfolderBase]: 29649/51314 cut-off events. [2024-01-31 16:03:48,116 INFO L125 PetriNetUnfolderBase]: For 4513/4513 co-relation queries the response was YES. [2024-01-31 16:03:48,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98100 conditions, 51314 events. 29649/51314 cut-off events. For 4513/4513 co-relation queries the response was YES. Maximal size of possible extension queue 2416. Compared 503853 event pairs, 20095 based on Foata normal form. 4426/39675 useless extension candidates. Maximal degree in co-relation 98087. Up to 38928 conditions per place. [2024-01-31 16:03:48,799 INFO L140 encePairwiseOnDemand]: 89/97 looper letters, 78 selfloop transitions, 2 changer transitions 0/111 dead transitions. [2024-01-31 16:03:48,800 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 111 transitions, 428 flow [2024-01-31 16:03:48,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-31 16:03:48,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-31 16:03:48,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 221 transitions. [2024-01-31 16:03:48,807 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5695876288659794 [2024-01-31 16:03:48,807 INFO L175 Difference]: Start difference. First operand has 92 places, 85 transitions, 198 flow. Second operand 4 states and 221 transitions. [2024-01-31 16:03:48,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 111 transitions, 428 flow [2024-01-31 16:03:48,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 111 transitions, 422 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-31 16:03:48,810 INFO L231 Difference]: Finished difference. Result has 88 places, 79 transitions, 186 flow [2024-01-31 16:03:48,811 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=186, PETRI_PLACES=88, PETRI_TRANSITIONS=79} [2024-01-31 16:03:48,811 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, -15 predicate places. [2024-01-31 16:03:48,812 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 79 transitions, 186 flow [2024-01-31 16:03:48,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 4 states have internal predecessors, (145), 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 16:03:48,812 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:03:48,812 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-31 16:03:48,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-31 16:03:48,812 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 80 more)] === [2024-01-31 16:03:48,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:03:48,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1688941562, now seen corresponding path program 1 times [2024-01-31 16:03:48,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:03:48,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888012043] [2024-01-31 16:03:48,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:03:48,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:03:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:03:49,098 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 16:03:49,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:03:49,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888012043] [2024-01-31 16:03:49,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888012043] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:03:49,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:03:49,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-31 16:03:49,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868172662] [2024-01-31 16:03:49,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:03:49,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-31 16:03:49,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:03:49,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-31 16:03:49,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-01-31 16:03:49,122 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 97 [2024-01-31 16:03:49,123 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 79 transitions, 186 flow. Second operand has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 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 16:03:49,123 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:03:49,123 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 97 [2024-01-31 16:03:49,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:03:55,747 INFO L124 PetriNetUnfolderBase]: 41353/70526 cut-off events. [2024-01-31 16:03:55,747 INFO L125 PetriNetUnfolderBase]: For 7020/7026 co-relation queries the response was YES. [2024-01-31 16:03:55,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 135957 conditions, 70526 events. 41353/70526 cut-off events. For 7020/7026 co-relation queries the response was YES. Maximal size of possible extension queue 3236. Compared 695592 event pairs, 29187 based on Foata normal form. 33/49846 useless extension candidates. Maximal degree in co-relation 135943. Up to 57009 conditions per place. [2024-01-31 16:03:56,268 INFO L140 encePairwiseOnDemand]: 91/97 looper letters, 70 selfloop transitions, 7 changer transitions 0/103 dead transitions. [2024-01-31 16:03:56,268 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 103 transitions, 402 flow [2024-01-31 16:03:56,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-31 16:03:56,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-31 16:03:56,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 194 transitions. [2024-01-31 16:03:56,270 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5 [2024-01-31 16:03:56,270 INFO L175 Difference]: Start difference. First operand has 88 places, 79 transitions, 186 flow. Second operand 4 states and 194 transitions. [2024-01-31 16:03:56,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 103 transitions, 402 flow [2024-01-31 16:03:56,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 103 transitions, 398 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:03:56,274 INFO L231 Difference]: Finished difference. Result has 91 places, 82 transitions, 219 flow [2024-01-31 16:03:56,274 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=219, PETRI_PLACES=91, PETRI_TRANSITIONS=82} [2024-01-31 16:03:56,275 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, -12 predicate places. [2024-01-31 16:03:56,275 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 82 transitions, 219 flow [2024-01-31 16:03:56,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 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 16:03:56,275 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:03:56,276 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-01-31 16:03:56,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-31 16:03:56,276 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 80 more)] === [2024-01-31 16:03:56,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:03:56,276 INFO L85 PathProgramCache]: Analyzing trace with hash -819514207, now seen corresponding path program 1 times [2024-01-31 16:03:56,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:03:56,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736879160] [2024-01-31 16:03:56,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:03:56,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:03:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:03:56,373 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 16:03:56,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:03:56,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736879160] [2024-01-31 16:03:56,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736879160] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:03:56,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:03:56,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-31 16:03:56,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506786590] [2024-01-31 16:03:56,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:03:56,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-31 16:03:56,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:03:56,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-31 16:03:56,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-31 16:03:56,389 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 97 [2024-01-31 16:03:56,389 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 82 transitions, 219 flow. Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 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 16:03:56,390 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:03:56,390 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 97 [2024-01-31 16:03:56,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:04:01,613 INFO L124 PetriNetUnfolderBase]: 32263/52310 cut-off events. [2024-01-31 16:04:01,613 INFO L125 PetriNetUnfolderBase]: For 6094/6135 co-relation queries the response was YES. [2024-01-31 16:04:01,799 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104370 conditions, 52310 events. 32263/52310 cut-off events. For 6094/6135 co-relation queries the response was YES. Maximal size of possible extension queue 2558. Compared 468667 event pairs, 21982 based on Foata normal form. 4285/40477 useless extension candidates. Maximal degree in co-relation 104354. Up to 41428 conditions per place. [2024-01-31 16:04:02,183 INFO L140 encePairwiseOnDemand]: 91/97 looper letters, 93 selfloop transitions, 2 changer transitions 0/123 dead transitions. [2024-01-31 16:04:02,184 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 123 transitions, 523 flow [2024-01-31 16:04:02,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-31 16:04:02,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-31 16:04:02,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 239 transitions. [2024-01-31 16:04:02,185 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.615979381443299 [2024-01-31 16:04:02,186 INFO L175 Difference]: Start difference. First operand has 91 places, 82 transitions, 219 flow. Second operand 4 states and 239 transitions. [2024-01-31 16:04:02,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 123 transitions, 523 flow [2024-01-31 16:04:02,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 123 transitions, 503 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:04:02,192 INFO L231 Difference]: Finished difference. Result has 88 places, 78 transitions, 203 flow [2024-01-31 16:04:02,192 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=199, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=203, PETRI_PLACES=88, PETRI_TRANSITIONS=78} [2024-01-31 16:04:02,194 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, -15 predicate places. [2024-01-31 16:04:02,194 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 78 transitions, 203 flow [2024-01-31 16:04:02,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 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 16:04:02,194 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:04:02,194 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 16:04:02,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-31 16:04:02,195 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 80 more)] === [2024-01-31 16:04:02,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:04:02,195 INFO L85 PathProgramCache]: Analyzing trace with hash 364863835, now seen corresponding path program 1 times [2024-01-31 16:04:02,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:04:02,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96664455] [2024-01-31 16:04:02,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:04:02,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:04:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:04:02,443 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 16:04:02,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:04:02,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96664455] [2024-01-31 16:04:02,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96664455] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:04:02,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:04:02,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-31 16:04:02,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886507605] [2024-01-31 16:04:02,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:04:02,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-31 16:04:02,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:04:02,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-31 16:04:02,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-01-31 16:04:02,459 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 97 [2024-01-31 16:04:02,459 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 78 transitions, 203 flow. Second operand has 5 states, 5 states have (on average 34.6) internal successors, (173), 5 states have internal predecessors, (173), 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 16:04:02,459 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:04:02,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 97 [2024-01-31 16:04:02,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand