./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe033_tso.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/safe033_tso.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ab2e0ac4 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/safe033_tso.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/safe033_tso.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-ab2e0ac-m [2024-01-29 14:15:00,757 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 14:15:00,826 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 14:15:00,832 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 14:15:00,833 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 14:15:00,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 14:15:00,860 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 14:15:00,860 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 14:15:00,860 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 14:15:00,864 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 14:15:00,864 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 14:15:00,864 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 14:15:00,865 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 14:15:00,866 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 14:15:00,866 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 14:15:00,866 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 14:15:00,867 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 14:15:00,867 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 14:15:00,867 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 14:15:00,867 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 14:15:00,868 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 14:15:00,869 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 14:15:00,869 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 14:15:00,869 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 14:15:00,869 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 14:15:00,869 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 14:15:00,870 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 14:15:00,870 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 14:15:00,870 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 14:15:00,871 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 14:15:00,871 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 14:15:00,872 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 14:15:00,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:15:00,872 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 14:15:00,872 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 14:15:00,872 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 14:15:00,873 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 14:15:00,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 14:15:00,873 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 14:15:00,873 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 14:15:00,873 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 14:15:00,874 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 14:15:00,874 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 14:15:00,874 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 14:15:01,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 14:15:01,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 14:15:01,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 14:15:01,219 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 14:15:01,220 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 14:15:01,221 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe033_tso.i [2024-01-29 14:15:02,413 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 14:15:02,652 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 14:15:02,653 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe033_tso.i [2024-01-29 14:15:02,665 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7616ea9a4/39bf221525e64b68ab9e10e90f5478e4/FLAG5fa038454 [2024-01-29 14:15:02,676 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7616ea9a4/39bf221525e64b68ab9e10e90f5478e4 [2024-01-29 14:15:02,679 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 14:15:02,680 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 14:15:02,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/safe033_tso.yml/witness.yml [2024-01-29 14:15:02,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 14:15:02,853 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 14:15:02,854 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 14:15:02,854 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 14:15:02,858 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 14:15:02,859 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:15:02" (1/2) ... [2024-01-29 14:15:02,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bbf5c5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:15:02, skipping insertion in model container [2024-01-29 14:15:02,860 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:15:02" (1/2) ... [2024-01-29 14:15:02,861 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@108ea73a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:15:02, skipping insertion in model container [2024-01-29 14:15:02,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:15:02" (2/2) ... [2024-01-29 14:15:02,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bbf5c5a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:15:02, skipping insertion in model container [2024-01-29 14:15:02,862 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:15:02" (2/2) ... [2024-01-29 14:15:02,862 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 14:15:03,023 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 14:15:03,028 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] 0 <= x [2024-01-29 14:15:03,028 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] y <= 127 [2024-01-29 14:15:03,028 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] (y == 0 || y == 1) || y == 2 [2024-01-29 14:15:03,028 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] x <= 1 [2024-01-29 14:15:03,028 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] x == 0 || x == 1 [2024-01-29 14:15:03,029 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-29 14:15:03,029 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] __unbuffered_p0_EAX <= 1 [2024-01-29 14:15:03,029 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-29 14:15:03,030 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] 0 <= y [2024-01-29 14:15:03,030 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] y <= 2 [2024-01-29 14:15:03,030 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] (unsigned long )arg == 0UL [2024-01-29 14:15:03,030 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] __unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1 [2024-01-29 14:15:03,030 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] 0 <= __unbuffered_p0_EAX [2024-01-29 14:15:03,030 INFO L98 nessWitnessExtractor]: Location invariant before [L723-L723] 0 <= __unbuffered_cnt [2024-01-29 14:15:03,030 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] 0 <= y [2024-01-29 14:15:03,031 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] y <= 127 [2024-01-29 14:15:03,031 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-29 14:15:03,031 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] y <= 2 [2024-01-29 14:15:03,031 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] 0 <= x [2024-01-29 14:15:03,031 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] (y == 0 || y == 1) || y == 2 [2024-01-29 14:15:03,031 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] __unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1 [2024-01-29 14:15:03,032 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] __unbuffered_p0_EAX <= 1 [2024-01-29 14:15:03,032 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] (unsigned long )arg == 0UL [2024-01-29 14:15:03,032 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] 0 <= __unbuffered_cnt [2024-01-29 14:15:03,032 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] 0 <= __unbuffered_p0_EAX [2024-01-29 14:15:03,032 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-29 14:15:03,032 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] x <= 1 [2024-01-29 14:15:03,033 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] x == 0 || x == 1 [2024-01-29 14:15:03,033 INFO L98 nessWitnessExtractor]: Location invariant before [L727-L727] (unsigned long )arg == 0UL [2024-01-29 14:15:03,033 INFO L98 nessWitnessExtractor]: Location invariant before [L746-L746] y <= 2 [2024-01-29 14:15:03,033 INFO L98 nessWitnessExtractor]: Location invariant before [L746-L746] (unsigned long )arg == 0UL [2024-01-29 14:15:03,033 INFO L98 nessWitnessExtractor]: Location invariant before [L746-L746] y <= 127 [2024-01-29 14:15:03,033 INFO L98 nessWitnessExtractor]: Location invariant before [L746-L746] 0 <= x [2024-01-29 14:15:03,033 INFO L98 nessWitnessExtractor]: Location invariant before [L746-L746] __unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1 [2024-01-29 14:15:03,033 INFO L98 nessWitnessExtractor]: Location invariant before [L746-L746] 0 <= y [2024-01-29 14:15:03,034 INFO L98 nessWitnessExtractor]: Location invariant before [L746-L746] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-29 14:15:03,034 INFO L98 nessWitnessExtractor]: Location invariant before [L746-L746] (y == 0 || y == 1) || y == 2 [2024-01-29 14:15:03,034 INFO L98 nessWitnessExtractor]: Location invariant before [L746-L746] 0 <= __unbuffered_p0_EAX [2024-01-29 14:15:03,035 INFO L98 nessWitnessExtractor]: Location invariant before [L746-L746] x <= 1 [2024-01-29 14:15:03,035 INFO L98 nessWitnessExtractor]: Location invariant before [L746-L746] x == 0 || x == 1 [2024-01-29 14:15:03,036 INFO L98 nessWitnessExtractor]: Location invariant before [L746-L746] 1 <= __unbuffered_cnt [2024-01-29 14:15:03,036 INFO L98 nessWitnessExtractor]: Location invariant before [L746-L746] __unbuffered_p0_EAX <= 1 [2024-01-29 14:15:03,036 INFO L98 nessWitnessExtractor]: Location invariant before [L746-L746] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-29 14:15:03,036 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] 0 <= y [2024-01-29 14:15:03,036 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] (y == 0 || y == 1) || y == 2 [2024-01-29 14:15:03,037 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] (unsigned long )arg == 0UL [2024-01-29 14:15:03,037 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] 0 <= __unbuffered_cnt [2024-01-29 14:15:03,037 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] x == 0 || x == 1 [2024-01-29 14:15:03,037 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-29 14:15:03,037 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] __unbuffered_p0_EAX <= 1 [2024-01-29 14:15:03,037 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] __unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1 [2024-01-29 14:15:03,038 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] 0 <= __unbuffered_p0_EAX [2024-01-29 14:15:03,038 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] x <= 1 [2024-01-29 14:15:03,038 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] 0 <= x [2024-01-29 14:15:03,038 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] y <= 2 [2024-01-29 14:15:03,039 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] y <= 127 [2024-01-29 14:15:03,039 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-29 14:15:03,040 INFO L98 nessWitnessExtractor]: Location invariant before [L747-L747] (unsigned long )arg == 0UL [2024-01-29 14:15:03,040 INFO L98 nessWitnessExtractor]: Location invariant before [L722-L722] (unsigned long )arg == 0UL [2024-01-29 14:15:03,040 INFO L98 nessWitnessExtractor]: Location invariant before [L730-L730] 0 <= y [2024-01-29 14:15:03,040 INFO L98 nessWitnessExtractor]: Location invariant before [L730-L730] (unsigned long )arg == 0UL [2024-01-29 14:15:03,041 INFO L98 nessWitnessExtractor]: Location invariant before [L730-L730] 0 <= __unbuffered_cnt [2024-01-29 14:15:03,041 INFO L98 nessWitnessExtractor]: Location invariant before [L730-L730] 0 <= __unbuffered_p0_EAX [2024-01-29 14:15:03,041 INFO L98 nessWitnessExtractor]: Location invariant before [L730-L730] y <= 2 [2024-01-29 14:15:03,041 INFO L98 nessWitnessExtractor]: Location invariant before [L730-L730] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-29 14:15:03,041 INFO L98 nessWitnessExtractor]: Location invariant before [L730-L730] __unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1 [2024-01-29 14:15:03,041 INFO L98 nessWitnessExtractor]: Location invariant before [L730-L730] 0 <= x [2024-01-29 14:15:03,041 INFO L98 nessWitnessExtractor]: Location invariant before [L730-L730] x <= 1 [2024-01-29 14:15:03,041 INFO L98 nessWitnessExtractor]: Location invariant before [L730-L730] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-29 14:15:03,041 INFO L98 nessWitnessExtractor]: Location invariant before [L730-L730] x == 0 || x == 1 [2024-01-29 14:15:03,042 INFO L98 nessWitnessExtractor]: Location invariant before [L730-L730] (y == 0 || y == 1) || y == 2 [2024-01-29 14:15:03,042 INFO L98 nessWitnessExtractor]: Location invariant before [L730-L730] __unbuffered_p0_EAX <= 1 [2024-01-29 14:15:03,042 INFO L98 nessWitnessExtractor]: Location invariant before [L730-L730] y <= 127 [2024-01-29 14:15:03,042 INFO L98 nessWitnessExtractor]: Location invariant before [L771-L771] 0 <= __unbuffered_p0_EAX [2024-01-29 14:15:03,042 INFO L98 nessWitnessExtractor]: Location invariant before [L771-L771] 0 <= __unbuffered_cnt [2024-01-29 14:15:03,042 INFO L98 nessWitnessExtractor]: Location invariant before [L771-L771] x <= 1 [2024-01-29 14:15:03,042 INFO L98 nessWitnessExtractor]: Location invariant before [L771-L771] 0 <= x [2024-01-29 14:15:03,043 INFO L98 nessWitnessExtractor]: Location invariant before [L771-L771] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-29 14:15:03,043 INFO L98 nessWitnessExtractor]: Location invariant before [L771-L771] __unbuffered_p0_EAX <= 1 [2024-01-29 14:15:03,043 INFO L98 nessWitnessExtractor]: Location invariant before [L771-L771] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-29 14:15:03,043 INFO L98 nessWitnessExtractor]: Location invariant before [L771-L771] x == 0 || x == 1 [2024-01-29 14:15:03,043 INFO L98 nessWitnessExtractor]: Location invariant before [L771-L771] y == 2 [2024-01-29 14:15:03,043 INFO L98 nessWitnessExtractor]: Location invariant before [L771-L771] __unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1 [2024-01-29 14:15:03,043 INFO L98 nessWitnessExtractor]: Location invariant before [L18-L18] expression == 1 [2024-01-29 14:15:03,043 INFO L98 nessWitnessExtractor]: Location invariant before [L18-L18] expression <= 1 [2024-01-29 14:15:03,043 INFO L98 nessWitnessExtractor]: Location invariant before [L18-L18] expression == 0 || expression == 1 [2024-01-29 14:15:03,044 INFO L98 nessWitnessExtractor]: Location invariant before [L18-L18] expression == 0 [2024-01-29 14:15:03,044 INFO L98 nessWitnessExtractor]: Location invariant before [L18-L18] 0 <= expression [2024-01-29 14:15:03,044 INFO L98 nessWitnessExtractor]: Location invariant before [L736-L736] (unsigned long )arg == 0UL [2024-01-29 14:15:03,044 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] 0 <= __unbuffered_p0_EAX [2024-01-29 14:15:03,044 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] 0 <= __unbuffered_cnt [2024-01-29 14:15:03,044 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] x <= 1 [2024-01-29 14:15:03,044 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] y == 1 [2024-01-29 14:15:03,044 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-29 14:15:03,045 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] x == 0 || x == 1 [2024-01-29 14:15:03,045 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] __unbuffered_p0_EAX <= 1 [2024-01-29 14:15:03,045 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] (unsigned long )arg == 0UL [2024-01-29 14:15:03,046 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] 0 <= x [2024-01-29 14:15:03,046 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-29 14:15:03,046 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] __unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1 [2024-01-29 14:15:03,046 INFO L98 nessWitnessExtractor]: Location invariant before [L732-L732] (unsigned long )arg == 0UL [2024-01-29 14:15:03,046 INFO L98 nessWitnessExtractor]: Location invariant before [L744-L744] (unsigned long )arg == 0UL [2024-01-29 14:15:03,046 INFO L98 nessWitnessExtractor]: Location invariant before [L739-L739] (unsigned long )arg == 0UL [2024-01-29 14:15:03,046 INFO L98 nessWitnessExtractor]: Location invariant before [L772-L772] y <= 2 [2024-01-29 14:15:03,047 INFO L98 nessWitnessExtractor]: Location invariant before [L772-L772] (y == 0 || y == 1) || y == 2 [2024-01-29 14:15:03,047 INFO L98 nessWitnessExtractor]: Location invariant before [L772-L772] y <= 127 [2024-01-29 14:15:03,047 INFO L98 nessWitnessExtractor]: Location invariant before [L772-L772] x == 0 || x == 1 [2024-01-29 14:15:03,047 INFO L98 nessWitnessExtractor]: Location invariant before [L772-L772] __unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1 [2024-01-29 14:15:03,048 INFO L98 nessWitnessExtractor]: Location invariant before [L772-L772] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-29 14:15:03,049 INFO L98 nessWitnessExtractor]: Location invariant before [L772-L772] 0 <= y [2024-01-29 14:15:03,049 INFO L98 nessWitnessExtractor]: Location invariant before [L772-L772] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-29 14:15:03,049 INFO L98 nessWitnessExtractor]: Location invariant before [L772-L772] 0 <= __unbuffered_p0_EAX [2024-01-29 14:15:03,049 INFO L98 nessWitnessExtractor]: Location invariant before [L772-L772] __unbuffered_p0_EAX <= 1 [2024-01-29 14:15:03,049 INFO L98 nessWitnessExtractor]: Location invariant before [L772-L772] 0 <= x [2024-01-29 14:15:03,049 INFO L98 nessWitnessExtractor]: Location invariant before [L772-L772] 0 <= __unbuffered_cnt [2024-01-29 14:15:03,050 INFO L98 nessWitnessExtractor]: Location invariant before [L772-L772] x <= 1 [2024-01-29 14:15:03,050 INFO L98 nessWitnessExtractor]: Location invariant before [L766-L766] 0 <= __unbuffered_cnt [2024-01-29 14:15:03,050 INFO L98 nessWitnessExtractor]: Location invariant before [L766-L766] y <= 2 [2024-01-29 14:15:03,050 INFO L98 nessWitnessExtractor]: Location invariant before [L766-L766] x <= 1 [2024-01-29 14:15:03,050 INFO L98 nessWitnessExtractor]: Location invariant before [L766-L766] y <= 127 [2024-01-29 14:15:03,050 INFO L98 nessWitnessExtractor]: Location invariant before [L766-L766] 0 <= __unbuffered_p0_EAX [2024-01-29 14:15:03,050 INFO L98 nessWitnessExtractor]: Location invariant before [L766-L766] x == 0 || x == 1 [2024-01-29 14:15:03,051 INFO L98 nessWitnessExtractor]: Location invariant before [L766-L766] (y == 0 || y == 1) || y == 2 [2024-01-29 14:15:03,051 INFO L98 nessWitnessExtractor]: Location invariant before [L766-L766] 0 <= y [2024-01-29 14:15:03,051 INFO L98 nessWitnessExtractor]: Location invariant before [L766-L766] 0 <= x [2024-01-29 14:15:03,051 INFO L98 nessWitnessExtractor]: Location invariant before [L766-L766] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-29 14:15:03,051 INFO L98 nessWitnessExtractor]: Location invariant before [L766-L766] __unbuffered_p0_EAX <= 1 [2024-01-29 14:15:03,051 INFO L98 nessWitnessExtractor]: Location invariant before [L766-L766] __unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1 [2024-01-29 14:15:03,051 INFO L98 nessWitnessExtractor]: Location invariant before [L766-L766] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-29 14:15:03,052 INFO L98 nessWitnessExtractor]: Location invariant before [L738-L738] 0 <= __unbuffered_cnt [2024-01-29 14:15:03,052 INFO L98 nessWitnessExtractor]: Location invariant before [L738-L738] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-29 14:15:03,052 INFO L98 nessWitnessExtractor]: Location invariant before [L738-L738] 0 <= y [2024-01-29 14:15:03,052 INFO L98 nessWitnessExtractor]: Location invariant before [L738-L738] __unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1 [2024-01-29 14:15:03,052 INFO L98 nessWitnessExtractor]: Location invariant before [L738-L738] y <= 127 [2024-01-29 14:15:03,052 INFO L98 nessWitnessExtractor]: Location invariant before [L738-L738] (unsigned long )arg == 0UL [2024-01-29 14:15:03,052 INFO L98 nessWitnessExtractor]: Location invariant before [L738-L738] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-29 14:15:03,052 INFO L98 nessWitnessExtractor]: Location invariant before [L738-L738] 0 <= __unbuffered_p0_EAX [2024-01-29 14:15:03,052 INFO L98 nessWitnessExtractor]: Location invariant before [L738-L738] __unbuffered_p0_EAX <= 1 [2024-01-29 14:15:03,053 INFO L98 nessWitnessExtractor]: Location invariant before [L738-L738] x == 1 [2024-01-29 14:15:03,053 INFO L98 nessWitnessExtractor]: Location invariant before [L738-L738] y <= 2 [2024-01-29 14:15:03,053 INFO L98 nessWitnessExtractor]: Location invariant before [L738-L738] (y == 0 || y == 1) || y == 2 [2024-01-29 14:15:03,053 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] 0 <= __unbuffered_cnt [2024-01-29 14:15:03,053 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] 0 <= y [2024-01-29 14:15:03,053 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] (unsigned long )arg == 0UL [2024-01-29 14:15:03,054 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-29 14:15:03,054 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-29 14:15:03,054 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] x <= 1 [2024-01-29 14:15:03,054 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] 0 <= x [2024-01-29 14:15:03,054 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] y <= 2 [2024-01-29 14:15:03,054 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] (y == 0 || y == 1) || y == 2 [2024-01-29 14:15:03,055 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] y <= 127 [2024-01-29 14:15:03,055 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] 0 <= __unbuffered_p0_EAX [2024-01-29 14:15:03,055 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] __unbuffered_p0_EAX <= 1 [2024-01-29 14:15:03,055 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] x == 0 || x == 1 [2024-01-29 14:15:03,055 INFO L98 nessWitnessExtractor]: Location invariant before [L720-L720] __unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1 [2024-01-29 14:15:03,055 INFO L98 nessWitnessExtractor]: Location invariant before [L719-L719] (unsigned long )arg == 0UL [2024-01-29 14:15:03,055 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] __unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1 [2024-01-29 14:15:03,056 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-29 14:15:03,056 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] 0 <= __unbuffered_p0_EAX [2024-01-29 14:15:03,056 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] 0 <= x [2024-01-29 14:15:03,056 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] x <= 1 [2024-01-29 14:15:03,056 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] x == 0 || x == 1 [2024-01-29 14:15:03,057 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] y == 2 [2024-01-29 14:15:03,057 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] 0 <= __unbuffered_cnt [2024-01-29 14:15:03,057 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] __unbuffered_p0_EAX <= 1 [2024-01-29 14:15:03,057 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-29 14:15:03,058 INFO L98 nessWitnessExtractor]: Location invariant before [L721-L721] (unsigned long )arg == 0UL [2024-01-29 14:15:03,058 INFO L98 nessWitnessExtractor]: Location invariant before [L731-L731] x <= 1 [2024-01-29 14:15:03,058 INFO L98 nessWitnessExtractor]: Location invariant before [L731-L731] x == 0 || x == 1 [2024-01-29 14:15:03,058 INFO L98 nessWitnessExtractor]: Location invariant before [L731-L731] 0 <= y [2024-01-29 14:15:03,058 INFO L98 nessWitnessExtractor]: Location invariant before [L731-L731] __unbuffered_p0_EAX <= 1 [2024-01-29 14:15:03,058 INFO L98 nessWitnessExtractor]: Location invariant before [L731-L731] y <= 2 [2024-01-29 14:15:03,059 INFO L98 nessWitnessExtractor]: Location invariant before [L731-L731] y <= 127 [2024-01-29 14:15:03,059 INFO L98 nessWitnessExtractor]: Location invariant before [L731-L731] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-29 14:15:03,059 INFO L98 nessWitnessExtractor]: Location invariant before [L731-L731] 0 <= __unbuffered_p0_EAX [2024-01-29 14:15:03,059 INFO L98 nessWitnessExtractor]: Location invariant before [L731-L731] (unsigned long )arg == 0UL [2024-01-29 14:15:03,059 INFO L98 nessWitnessExtractor]: Location invariant before [L731-L731] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-29 14:15:03,060 INFO L98 nessWitnessExtractor]: Location invariant before [L731-L731] 0 <= x [2024-01-29 14:15:03,060 INFO L98 nessWitnessExtractor]: Location invariant before [L731-L731] __unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1 [2024-01-29 14:15:03,061 INFO L98 nessWitnessExtractor]: Location invariant before [L731-L731] 1 <= __unbuffered_cnt [2024-01-29 14:15:03,061 INFO L98 nessWitnessExtractor]: Location invariant before [L731-L731] (y == 0 || y == 1) || y == 2 [2024-01-29 14:15:03,061 INFO L98 nessWitnessExtractor]: Location invariant before [L725-L725] 0 <= __unbuffered_cnt [2024-01-29 14:15:03,061 INFO L98 nessWitnessExtractor]: Location invariant before [L725-L725] 0 <= x [2024-01-29 14:15:03,061 INFO L98 nessWitnessExtractor]: Location invariant before [L725-L725] y <= 2 [2024-01-29 14:15:03,061 INFO L98 nessWitnessExtractor]: Location invariant before [L725-L725] x == 0 || x == 1 [2024-01-29 14:15:03,062 INFO L98 nessWitnessExtractor]: Location invariant before [L725-L725] 0 <= __unbuffered_p0_EAX [2024-01-29 14:15:03,062 INFO L98 nessWitnessExtractor]: Location invariant before [L725-L725] 0 <= y [2024-01-29 14:15:03,062 INFO L98 nessWitnessExtractor]: Location invariant before [L725-L725] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-29 14:15:03,062 INFO L98 nessWitnessExtractor]: Location invariant before [L725-L725] x <= 1 [2024-01-29 14:15:03,062 INFO L98 nessWitnessExtractor]: Location invariant before [L725-L725] (y == 0 || y == 1) || y == 2 [2024-01-29 14:15:03,062 INFO L98 nessWitnessExtractor]: Location invariant before [L725-L725] (unsigned long )arg == 0UL [2024-01-29 14:15:03,062 INFO L98 nessWitnessExtractor]: Location invariant before [L725-L725] __unbuffered_p0_EAX <= 1 [2024-01-29 14:15:03,062 INFO L98 nessWitnessExtractor]: Location invariant before [L725-L725] y <= 127 [2024-01-29 14:15:03,063 INFO L98 nessWitnessExtractor]: Location invariant before [L725-L725] __unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1 [2024-01-29 14:15:03,063 INFO L98 nessWitnessExtractor]: Location invariant before [L725-L725] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-29 14:15:03,063 INFO L98 nessWitnessExtractor]: Location invariant before [L745-L745] 0 <= __unbuffered_p0_EAX [2024-01-29 14:15:03,063 INFO L98 nessWitnessExtractor]: Location invariant before [L745-L745] y <= 2 [2024-01-29 14:15:03,063 INFO L98 nessWitnessExtractor]: Location invariant before [L745-L745] x == 0 || x == 1 [2024-01-29 14:15:03,063 INFO L98 nessWitnessExtractor]: Location invariant before [L745-L745] (y == 0 || y == 1) || y == 2 [2024-01-29 14:15:03,063 INFO L98 nessWitnessExtractor]: Location invariant before [L745-L745] (unsigned long )arg == 0UL [2024-01-29 14:15:03,063 INFO L98 nessWitnessExtractor]: Location invariant before [L745-L745] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-29 14:15:03,063 INFO L98 nessWitnessExtractor]: Location invariant before [L745-L745] y <= 127 [2024-01-29 14:15:03,064 INFO L98 nessWitnessExtractor]: Location invariant before [L745-L745] 0 <= x [2024-01-29 14:15:03,064 INFO L98 nessWitnessExtractor]: Location invariant before [L745-L745] __unbuffered_p0_EAX <= 1 [2024-01-29 14:15:03,064 INFO L98 nessWitnessExtractor]: Location invariant before [L745-L745] 0 <= y [2024-01-29 14:15:03,065 INFO L98 nessWitnessExtractor]: Location invariant before [L745-L745] x <= 1 [2024-01-29 14:15:03,065 INFO L98 nessWitnessExtractor]: Location invariant before [L745-L745] 0 <= __unbuffered_cnt [2024-01-29 14:15:03,065 INFO L98 nessWitnessExtractor]: Location invariant before [L745-L745] __unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1 [2024-01-29 14:15:03,065 INFO L98 nessWitnessExtractor]: Location invariant before [L745-L745] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-29 14:15:03,065 INFO L98 nessWitnessExtractor]: Location invariant before [L742-L742] (unsigned long )arg == 0UL [2024-01-29 14:15:03,065 INFO L98 nessWitnessExtractor]: Location invariant before [L737-L737] 0 <= y [2024-01-29 14:15:03,065 INFO L98 nessWitnessExtractor]: Location invariant before [L737-L737] 0 <= __unbuffered_p0_EAX [2024-01-29 14:15:03,065 INFO L98 nessWitnessExtractor]: Location invariant before [L737-L737] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-29 14:15:03,065 INFO L98 nessWitnessExtractor]: Location invariant before [L737-L737] y <= 2 [2024-01-29 14:15:03,066 INFO L98 nessWitnessExtractor]: Location invariant before [L737-L737] x <= 1 [2024-01-29 14:15:03,066 INFO L98 nessWitnessExtractor]: Location invariant before [L737-L737] (y == 0 || y == 1) || y == 2 [2024-01-29 14:15:03,066 INFO L98 nessWitnessExtractor]: Location invariant before [L737-L737] __unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1 [2024-01-29 14:15:03,066 INFO L98 nessWitnessExtractor]: Location invariant before [L737-L737] y <= 127 [2024-01-29 14:15:03,066 INFO L98 nessWitnessExtractor]: Location invariant before [L737-L737] 0 <= __unbuffered_cnt [2024-01-29 14:15:03,066 INFO L98 nessWitnessExtractor]: Location invariant before [L737-L737] 0 <= x [2024-01-29 14:15:03,066 INFO L98 nessWitnessExtractor]: Location invariant before [L737-L737] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-29 14:15:03,066 INFO L98 nessWitnessExtractor]: Location invariant before [L737-L737] __unbuffered_p0_EAX <= 1 [2024-01-29 14:15:03,066 INFO L98 nessWitnessExtractor]: Location invariant before [L737-L737] (unsigned long )arg == 0UL [2024-01-29 14:15:03,067 INFO L98 nessWitnessExtractor]: Location invariant before [L737-L737] x == 0 || x == 1 [2024-01-29 14:15:03,067 INFO L98 nessWitnessExtractor]: Location invariant before [L765-L765] __unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1 [2024-01-29 14:15:03,067 INFO L98 nessWitnessExtractor]: Location invariant before [L765-L765] x == 0 || x == 1 [2024-01-29 14:15:03,067 INFO L98 nessWitnessExtractor]: Location invariant before [L765-L765] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-29 14:15:03,067 INFO L98 nessWitnessExtractor]: Location invariant before [L765-L765] 0 <= y [2024-01-29 14:15:03,067 INFO L98 nessWitnessExtractor]: Location invariant before [L765-L765] y <= 2 [2024-01-29 14:15:03,067 INFO L98 nessWitnessExtractor]: Location invariant before [L765-L765] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-29 14:15:03,067 INFO L98 nessWitnessExtractor]: Location invariant before [L765-L765] (y == 0 || y == 1) || y == 2 [2024-01-29 14:15:03,068 INFO L98 nessWitnessExtractor]: Location invariant before [L765-L765] 0 <= __unbuffered_cnt [2024-01-29 14:15:03,068 INFO L98 nessWitnessExtractor]: Location invariant before [L765-L765] __unbuffered_p0_EAX <= 1 [2024-01-29 14:15:03,068 INFO L98 nessWitnessExtractor]: Location invariant before [L765-L765] x <= 1 [2024-01-29 14:15:03,068 INFO L98 nessWitnessExtractor]: Location invariant before [L765-L765] y <= 127 [2024-01-29 14:15:03,069 INFO L98 nessWitnessExtractor]: Location invariant before [L765-L765] 0 <= __unbuffered_p0_EAX [2024-01-29 14:15:03,069 INFO L98 nessWitnessExtractor]: Location invariant before [L765-L765] 0 <= x [2024-01-29 14:15:03,069 INFO L98 nessWitnessExtractor]: Location invariant before [L724-L724] (unsigned long )arg == 0UL [2024-01-29 14:15:03,069 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] __unbuffered_p0_EAX <= 1 [2024-01-29 14:15:03,069 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] y <= 2 [2024-01-29 14:15:03,069 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] 0 <= __unbuffered_p0_EAX [2024-01-29 14:15:03,069 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] x == 0 || x == 1 [2024-01-29 14:15:03,069 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] __unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1 [2024-01-29 14:15:03,069 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] 0 <= y [2024-01-29 14:15:03,070 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] 0 <= __unbuffered_cnt [2024-01-29 14:15:03,070 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] (unsigned long )arg == 0UL [2024-01-29 14:15:03,070 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] x <= 1 [2024-01-29 14:15:03,070 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] 0 <= x [2024-01-29 14:15:03,070 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-29 14:15:03,070 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] (y == 0 || y == 1) || y == 2 [2024-01-29 14:15:03,070 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] y <= 127 [2024-01-29 14:15:03,070 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-29 14:15:03,070 INFO L98 nessWitnessExtractor]: Location invariant before [L729-L729] (unsigned long )arg == 0UL [2024-01-29 14:15:03,071 INFO L98 nessWitnessExtractor]: Location invariant before [L761-L761] main$tmp_guard0 == (_Bool)0 [2024-01-29 14:15:03,071 INFO L98 nessWitnessExtractor]: Location invariant before [L761-L761] main$tmp_guard1 == (_Bool)0 [2024-01-29 14:15:03,072 INFO L98 nessWitnessExtractor]: Location invariant before [L761-L761] x == 0 [2024-01-29 14:15:03,073 INFO L98 nessWitnessExtractor]: Location invariant before [L761-L761] __unbuffered_cnt == 0 [2024-01-29 14:15:03,073 INFO L98 nessWitnessExtractor]: Location invariant before [L761-L761] __unbuffered_p0_EAX == 0 [2024-01-29 14:15:03,073 INFO L98 nessWitnessExtractor]: Location invariant before [L761-L761] y == 0 [2024-01-29 14:15:03,073 INFO L98 nessWitnessExtractor]: Location invariant before [L769-L769] y <= 2 [2024-01-29 14:15:03,073 INFO L98 nessWitnessExtractor]: Location invariant before [L769-L769] __unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1 [2024-01-29 14:15:03,073 INFO L98 nessWitnessExtractor]: Location invariant before [L769-L769] 0 <= y [2024-01-29 14:15:03,073 INFO L98 nessWitnessExtractor]: Location invariant before [L769-L769] x <= 1 [2024-01-29 14:15:03,073 INFO L98 nessWitnessExtractor]: Location invariant before [L769-L769] 0 <= x [2024-01-29 14:15:03,073 INFO L98 nessWitnessExtractor]: Location invariant before [L769-L769] __unbuffered_p0_EAX <= 1 [2024-01-29 14:15:03,074 INFO L98 nessWitnessExtractor]: Location invariant before [L769-L769] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-29 14:15:03,074 INFO L98 nessWitnessExtractor]: Location invariant before [L769-L769] 0 <= __unbuffered_cnt [2024-01-29 14:15:03,074 INFO L98 nessWitnessExtractor]: Location invariant before [L769-L769] (y == 0 || y == 1) || y == 2 [2024-01-29 14:15:03,074 INFO L98 nessWitnessExtractor]: Location invariant before [L769-L769] x == 0 || x == 1 [2024-01-29 14:15:03,074 INFO L98 nessWitnessExtractor]: Location invariant before [L769-L769] 0 <= __unbuffered_p0_EAX [2024-01-29 14:15:03,074 INFO L98 nessWitnessExtractor]: Location invariant before [L769-L769] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-29 14:15:03,074 INFO L98 nessWitnessExtractor]: Location invariant before [L769-L769] y <= 127 [2024-01-29 14:15:03,075 INFO L98 nessWitnessExtractor]: Location invariant before [L740-L740] (unsigned long )arg == 0UL [2024-01-29 14:15:03,075 INFO L98 nessWitnessExtractor]: Location invariant before [L740-L740] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-01-29 14:15:03,075 INFO L98 nessWitnessExtractor]: Location invariant before [L740-L740] __unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1 [2024-01-29 14:15:03,075 INFO L98 nessWitnessExtractor]: Location invariant before [L740-L740] 0 <= __unbuffered_p0_EAX [2024-01-29 14:15:03,075 INFO L98 nessWitnessExtractor]: Location invariant before [L740-L740] y <= 2 [2024-01-29 14:15:03,075 INFO L98 nessWitnessExtractor]: Location invariant before [L740-L740] y <= 127 [2024-01-29 14:15:03,075 INFO L98 nessWitnessExtractor]: Location invariant before [L740-L740] 0 <= y [2024-01-29 14:15:03,075 INFO L98 nessWitnessExtractor]: Location invariant before [L740-L740] (y == 0 || y == 1) || y == 2 [2024-01-29 14:15:03,075 INFO L98 nessWitnessExtractor]: Location invariant before [L740-L740] 0 <= x [2024-01-29 14:15:03,076 INFO L98 nessWitnessExtractor]: Location invariant before [L740-L740] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-01-29 14:15:03,076 INFO L98 nessWitnessExtractor]: Location invariant before [L740-L740] __unbuffered_p0_EAX <= 1 [2024-01-29 14:15:03,076 INFO L98 nessWitnessExtractor]: Location invariant before [L740-L740] x == 0 || x == 1 [2024-01-29 14:15:03,076 INFO L98 nessWitnessExtractor]: Location invariant before [L740-L740] x <= 1 [2024-01-29 14:15:03,076 INFO L98 nessWitnessExtractor]: Location invariant before [L740-L740] 0 <= __unbuffered_cnt [2024-01-29 14:15:03,120 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 14:15:03,243 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/safe033_tso.i[945,958] [2024-01-29 14:15:03,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:15:03,413 INFO L202 MainTranslator]: Completed pre-run [2024-01-29 14:15:03,422 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/safe033_tso.i[945,958] [2024-01-29 14:15:03,423 WARN L424 MainDispatcher]: Unable to annotate void __VERIFIER_assert(int expression) { if (!expression) { ERROR: {reach_error();abort();} }; return; } with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-29 14:15:03,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:15:03,652 INFO L206 MainTranslator]: Completed translation [2024-01-29 14:15:03,654 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:15:03 WrapperNode [2024-01-29 14:15:03,654 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 14:15:03,656 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 14:15:03,656 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 14:15:03,656 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 14:15:03,661 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 29.01 02:15:03" (1/1) ... [2024-01-29 14:15:03,691 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 29.01 02:15:03" (1/1) ... [2024-01-29 14:15:03,711 INFO L138 Inliner]: procedures = 175, calls = 42, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 125 [2024-01-29 14:15:03,711 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 14:15:03,712 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 14:15:03,712 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 14:15:03,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 14:15:03,725 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:15:03" (1/1) ... [2024-01-29 14:15:03,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:15:03" (1/1) ... [2024-01-29 14:15:03,728 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:15:03" (1/1) ... [2024-01-29 14:15:03,762 INFO L175 MemorySlicer]: Split 4 memory accesses to 3 slices as follows [2, 1, 1]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-01-29 14:15:03,763 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:15:03" (1/1) ... [2024-01-29 14:15:03,763 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:15:03" (1/1) ... [2024-01-29 14:15:03,772 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:15:03" (1/1) ... [2024-01-29 14:15:03,773 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:15:03" (1/1) ... [2024-01-29 14:15:03,775 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:15:03" (1/1) ... [2024-01-29 14:15:03,830 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:15:03" (1/1) ... [2024-01-29 14:15:03,833 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 14:15:03,834 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 14:15:03,834 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 14:15:03,834 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 14:15:03,835 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:15:03" (1/1) ... [2024-01-29 14:15:03,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:15:03,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 14:15:03,902 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) [2024-01-29 14:15:03,916 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 [2024-01-29 14:15:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 14:15:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 14:15:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 14:15:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-29 14:15:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 14:15:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 14:15:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 14:15:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-01-29 14:15:03,975 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-01-29 14:15:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-01-29 14:15:03,975 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-01-29 14:15:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 14:15:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 14:15:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 14:15:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-29 14:15:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 14:15:03,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 14:15:03,977 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-29 14:15:04,103 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 14:15:04,104 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 14:15:04,726 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 14:15:04,726 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 14:15:06,831 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 14:15:06,831 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-29 14:15:06,832 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:15:06 BoogieIcfgContainer [2024-01-29 14:15:06,832 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 14:15:06,835 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 14:15:06,835 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 14:15:06,837 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 14:15:06,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 02:15:02" (1/4) ... [2024-01-29 14:15:06,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f7209ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:15:06, skipping insertion in model container [2024-01-29 14:15:06,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:15:02" (2/4) ... [2024-01-29 14:15:06,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f7209ca and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:15:06, skipping insertion in model container [2024-01-29 14:15:06,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:15:03" (3/4) ... [2024-01-29 14:15:06,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f7209ca and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:15:06, skipping insertion in model container [2024-01-29 14:15:06,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:15:06" (4/4) ... [2024-01-29 14:15:06,841 INFO L112 eAbstractionObserver]: Analyzing ICFG safe033_tso.i [2024-01-29 14:15:06,856 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 14:15:06,856 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 282 error locations. [2024-01-29 14:15:06,856 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 14:15:07,056 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-29 14:15:07,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 332 places, 326 transitions, 660 flow [2024-01-29 14:15:07,171 INFO L124 PetriNetUnfolderBase]: 1/324 cut-off events. [2024-01-29 14:15:07,171 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:15:07,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 324 events. 1/324 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 2480 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 312. Up to 2 conditions per place. [2024-01-29 14:15:07,177 INFO L82 GeneralOperation]: Start removeDead. Operand has 332 places, 326 transitions, 660 flow [2024-01-29 14:15:07,190 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 330 places, 324 transitions, 654 flow [2024-01-29 14:15:07,196 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 14:15:07,201 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;@4a91c09b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 14:15:07,201 INFO L358 AbstractCegarLoop]: Starting to check reachability of 497 error locations. [2024-01-29 14:15:07,202 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 14:15:07,202 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 14:15:07,202 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:15:07,202 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:15:07,203 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 14:15:07,203 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 494 more)] === [2024-01-29 14:15:07,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:15:07,206 INFO L85 PathProgramCache]: Analyzing trace with hash 136287, now seen corresponding path program 1 times [2024-01-29 14:15:07,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:15:07,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200641706] [2024-01-29 14:15:07,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:15:07,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:15:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:15:07,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:15:07,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:15:07,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200641706] [2024-01-29 14:15:07,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200641706] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:15:07,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:15:07,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:15:07,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385058543] [2024-01-29 14:15:07,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:15:07,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:15:07,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:15:07,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:15:07,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:15:07,368 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 326 [2024-01-29 14:15:07,370 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 330 places, 324 transitions, 654 flow. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2024-01-29 14:15:07,370 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:15:07,371 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 326 [2024-01-29 14:15:07,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:15:20,577 INFO L124 PetriNetUnfolderBase]: 128061/209263 cut-off events. [2024-01-29 14:15:20,577 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2024-01-29 14:15:20,867 INFO L83 FinitePrefix]: Finished finitePrefix Result has 404075 conditions, 209263 events. 128061/209263 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 15100. Compared 2382638 event pairs, 62888 based on Foata normal form. 2070/41283 useless extension candidates. Maximal degree in co-relation 404052. Up to 188140 conditions per place. [2024-01-29 14:15:21,648 INFO L140 encePairwiseOnDemand]: 148/326 looper letters, 171 selfloop transitions, 3 changer transitions 0/208 dead transitions. [2024-01-29 14:15:21,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 208 transitions, 773 flow [2024-01-29 14:15:21,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:15:21,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:15:21,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 546 transitions. [2024-01-29 14:15:21,662 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.558282208588957 [2024-01-29 14:15:21,663 INFO L175 Difference]: Start difference. First operand has 330 places, 324 transitions, 654 flow. Second operand 3 states and 546 transitions. [2024-01-29 14:15:21,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 208 transitions, 773 flow [2024-01-29 14:15:21,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 208 transitions, 770 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:15:21,671 INFO L231 Difference]: Finished difference. Result has 171 places, 165 transitions, 375 flow [2024-01-29 14:15:21,673 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=326, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=375, PETRI_PLACES=171, PETRI_TRANSITIONS=165} [2024-01-29 14:15:21,676 INFO L281 CegarLoopForPetriNet]: 330 programPoint places, -159 predicate places. [2024-01-29 14:15:21,676 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 165 transitions, 375 flow [2024-01-29 14:15:21,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2024-01-29 14:15:21,676 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:15:21,676 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-29 14:15:21,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 14:15:21,677 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 494 more)] === [2024-01-29 14:15:21,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:15:21,678 INFO L85 PathProgramCache]: Analyzing trace with hash 4229088, now seen corresponding path program 1 times [2024-01-29 14:15:21,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:15:21,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703633895] [2024-01-29 14:15:21,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:15:21,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:15:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:15:21,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:15:21,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:15:21,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703633895] [2024-01-29 14:15:21,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703633895] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:15:21,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:15:21,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:15:21,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279956739] [2024-01-29 14:15:21,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:15:21,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:15:21,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:15:21,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:15:21,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:15:21,713 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 326 [2024-01-29 14:15:21,713 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 165 transitions, 375 flow. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2024-01-29 14:15:21,713 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:15:21,714 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 326 [2024-01-29 14:15:21,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:15:31,764 INFO L124 PetriNetUnfolderBase]: 99220/158734 cut-off events. [2024-01-29 14:15:31,765 INFO L125 PetriNetUnfolderBase]: For 5493/5833 co-relation queries the response was YES. [2024-01-29 14:15:32,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 332542 conditions, 158734 events. 99220/158734 cut-off events. For 5493/5833 co-relation queries the response was YES. Maximal size of possible extension queue 11875. Compared 1733036 event pairs, 50894 based on Foata normal form. 0/38671 useless extension candidates. Maximal degree in co-relation 332519. Up to 85967 conditions per place. [2024-01-29 14:15:32,850 INFO L140 encePairwiseOnDemand]: 307/326 looper letters, 189 selfloop transitions, 2 changer transitions 0/224 dead transitions. [2024-01-29 14:15:32,851 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 224 transitions, 903 flow [2024-01-29 14:15:32,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:15:32,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:15:32,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions. [2024-01-29 14:15:32,853 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3210633946830266 [2024-01-29 14:15:32,853 INFO L175 Difference]: Start difference. First operand has 171 places, 165 transitions, 375 flow. Second operand 3 states and 314 transitions. [2024-01-29 14:15:32,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 224 transitions, 903 flow [2024-01-29 14:15:32,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 224 transitions, 900 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 14:15:32,871 INFO L231 Difference]: Finished difference. Result has 168 places, 160 transitions, 392 flow [2024-01-29 14:15:32,871 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=326, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=392, PETRI_PLACES=168, PETRI_TRANSITIONS=160} [2024-01-29 14:15:32,872 INFO L281 CegarLoopForPetriNet]: 330 programPoint places, -162 predicate places. [2024-01-29 14:15:32,872 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 160 transitions, 392 flow [2024-01-29 14:15:32,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2024-01-29 14:15:32,873 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:15:32,873 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-29 14:15:32,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 14:15:32,873 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 494 more)] === [2024-01-29 14:15:32,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:15:32,874 INFO L85 PathProgramCache]: Analyzing trace with hash 131105959, now seen corresponding path program 1 times [2024-01-29 14:15:32,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:15:32,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712943796] [2024-01-29 14:15:32,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:15:32,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:15:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:15:32,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:15:32,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:15:32,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712943796] [2024-01-29 14:15:32,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712943796] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:15:32,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:15:32,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:15:32,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692574962] [2024-01-29 14:15:32,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:15:32,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:15:32,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:15:32,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:15:32,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:15:32,932 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 326 [2024-01-29 14:15:32,932 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 160 transitions, 392 flow. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2024-01-29 14:15:32,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:15:32,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 326 [2024-01-29 14:15:32,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand