./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe034_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/safe034_tso.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 59af5db6 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/safe034_tso.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/safe034_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-59af5db-m [2024-02-02 09:15:07,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-02 09:15:07,082 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-02 09:15:07,087 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-02 09:15:07,087 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-02 09:15:07,115 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-02 09:15:07,116 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-02 09:15:07,116 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-02 09:15:07,117 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-02 09:15:07,120 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-02 09:15:07,120 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-02 09:15:07,120 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-02 09:15:07,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-02 09:15:07,122 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-02 09:15:07,122 INFO L153 SettingsManager]: * Use SBE=true [2024-02-02 09:15:07,123 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-02 09:15:07,123 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-02 09:15:07,123 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-02 09:15:07,123 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-02 09:15:07,124 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-02 09:15:07,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-02 09:15:07,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-02 09:15:07,125 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-02 09:15:07,125 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-02 09:15:07,125 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-02 09:15:07,125 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-02 09:15:07,126 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-02 09:15:07,126 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-02 09:15:07,126 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-02 09:15:07,126 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-02 09:15:07,127 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-02 09:15:07,128 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-02 09:15:07,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:15:07,128 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-02 09:15:07,128 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-02 09:15:07,129 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-02 09:15:07,129 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-02 09:15:07,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-02 09:15:07,129 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-02 09:15:07,129 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-02 09:15:07,130 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-02 09:15:07,130 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-02 09:15:07,130 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-02 09:15:07,130 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-02 09:15:07,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-02 09:15:07,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-02 09:15:07,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-02 09:15:07,348 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-02 09:15:07,348 INFO L274 PluginConnector]: CDTParser initialized [2024-02-02 09:15:07,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe034_tso.i [2024-02-02 09:15:08,450 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-02 09:15:08,760 INFO L384 CDTParser]: Found 1 translation units. [2024-02-02 09:15:08,760 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe034_tso.i [2024-02-02 09:15:08,779 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5808bd638/6f4948d35dae40be81952cff8ea5adfc/FLAG3ce073776 [2024-02-02 09:15:08,795 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5808bd638/6f4948d35dae40be81952cff8ea5adfc [2024-02-02 09:15:08,798 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-02 09:15:08,799 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-02 09:15:08,801 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/safe034_tso.yml/witness.yml [2024-02-02 09:15:09,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-02 09:15:09,012 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-02 09:15:09,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-02 09:15:09,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-02 09:15:09,017 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-02 09:15:09,018 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:15:08" (1/2) ... [2024-02-02 09:15:09,019 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43cd6d64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:15:09, skipping insertion in model container [2024-02-02 09:15:09,019 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:15:08" (1/2) ... [2024-02-02 09:15:09,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@60bdc9bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:15:09, skipping insertion in model container [2024-02-02 09:15:09,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:15:09" (2/2) ... [2024-02-02 09:15:09,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43cd6d64 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:15:09, skipping insertion in model container [2024-02-02 09:15:09,022 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:15:09" (2/2) ... [2024-02-02 09:15:09,022 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-02 09:15:09,269 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-02 09:15:09,274 INFO L101 nessWitnessExtractor]: Location invariant before [L795-L795] (((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z == 2)) && (__unbuffered_p0_EAX == 0 || ((0 <= __unbuffered_p0_EAX && __unbuffered_p0_EAX <= 1) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)))) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_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) [2024-02-02 09:15:09,274 INFO L101 nessWitnessExtractor]: Location invariant before [L751-L751] (unsigned long )arg == 0UL [2024-02-02 09:15:09,275 INFO L101 nessWitnessExtractor]: Location invariant before [L727-L727] (unsigned long )arg == 0UL [2024-02-02 09:15:09,275 INFO L101 nessWitnessExtractor]: Location invariant before [L730-L730] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_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)) && ((z == 0 || z == 1) || z == 2) [2024-02-02 09:15:09,275 INFO L101 nessWitnessExtractor]: Location invariant before [L752-L752] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_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)) && ((z == 0 || z == 1) || z == 2) [2024-02-02 09:15:09,276 INFO L101 nessWitnessExtractor]: Location invariant before [L793-L793] ((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_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)) && ((z == 0 || z == 1) || z == 2) [2024-02-02 09:15:09,276 INFO L101 nessWitnessExtractor]: Location invariant before [L749-L749] (unsigned long )arg == 0UL [2024-02-02 09:15:09,276 INFO L101 nessWitnessExtractor]: Location invariant before [L750-L750] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_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)) && ((z == 0 || z == 1) || z == 2) [2024-02-02 09:15:09,276 INFO L101 nessWitnessExtractor]: Location invariant before [L754-L754] (unsigned long )arg == 0UL [2024-02-02 09:15:09,276 INFO L101 nessWitnessExtractor]: Location invariant before [L769-L769] (unsigned long )arg == 0UL [2024-02-02 09:15:09,277 INFO L101 nessWitnessExtractor]: Location invariant before [L731-L731] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_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)) && ((z == 0 || z == 1) || z == 2) [2024-02-02 09:15:09,277 INFO L101 nessWitnessExtractor]: Location invariant before [L735-L735] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_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)) && ((z == 0 || z == 1) || z == 2) [2024-02-02 09:15:09,277 INFO L101 nessWitnessExtractor]: Location invariant before [L746-L746] (unsigned long )arg == 0UL [2024-02-02 09:15:09,277 INFO L101 nessWitnessExtractor]: Location invariant before [L18-L18] ((((expression == 1) && (0 <= expression)) && (expression <= 1)) && (expression == 0 || expression == 1)) && (expression == 0) [2024-02-02 09:15:09,277 INFO L101 nessWitnessExtractor]: Location invariant before [L760-L760] (((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (z <= 2)) && (z <= 127)) && (y == 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_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)) && ((z == 0 || z == 1) || z == 2) [2024-02-02 09:15:09,277 INFO L101 nessWitnessExtractor]: Location invariant before [L748-L748] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_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)) && ((z == 0 || z == 1) || z == 2) [2024-02-02 09:15:09,278 INFO L101 nessWitnessExtractor]: Location invariant before [L734-L734] (unsigned long )arg == 0UL [2024-02-02 09:15:09,278 INFO L101 nessWitnessExtractor]: Location invariant before [L744-L744] (unsigned long )arg == 0UL [2024-02-02 09:15:09,278 INFO L101 nessWitnessExtractor]: Location invariant before [L729-L729] (unsigned long )arg == 0UL [2024-02-02 09:15:09,278 INFO L101 nessWitnessExtractor]: Location invariant before [L758-L758] (unsigned long )arg == 0UL [2024-02-02 09:15:09,279 INFO L101 nessWitnessExtractor]: Location invariant before [L741-L741] (unsigned long )arg == 0UL [2024-02-02 09:15:09,279 INFO L101 nessWitnessExtractor]: Location invariant before [L766-L766] (unsigned long )arg == 0UL [2024-02-02 09:15:09,279 INFO L101 nessWitnessExtractor]: Location invariant before [L737-L737] (unsigned long )arg == 0UL [2024-02-02 09:15:09,279 INFO L101 nessWitnessExtractor]: Location invariant before [L742-L742] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_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)) && ((z == 0 || z == 1) || z == 2) [2024-02-02 09:15:09,279 INFO L101 nessWitnessExtractor]: Location invariant before [L765-L765] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_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)) && ((z == 0 || z == 1) || z == 2) [2024-02-02 09:15:09,279 INFO L101 nessWitnessExtractor]: Location invariant before [L790-L790] ((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_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)) && ((z == 0 || z == 1) || z == 2) [2024-02-02 09:15:09,280 INFO L101 nessWitnessExtractor]: Location invariant before [L762-L762] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_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)) && ((z == 0 || z == 1) || z == 2) [2024-02-02 09:15:09,280 INFO L101 nessWitnessExtractor]: Location invariant before [L724-L724] (unsigned long )arg == 0UL [2024-02-02 09:15:09,280 INFO L101 nessWitnessExtractor]: Location invariant before [L789-L789] ((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_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)) && ((z == 0 || z == 1) || z == 2) [2024-02-02 09:15:09,280 INFO L101 nessWitnessExtractor]: Location invariant before [L732-L732] (unsigned long )arg == 0UL [2024-02-02 09:15:09,280 INFO L101 nessWitnessExtractor]: Location invariant before [L733-L733] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_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)) && ((z == 0 || z == 1) || z == 2) [2024-02-02 09:15:09,280 INFO L101 nessWitnessExtractor]: Location invariant before [L796-L796] ((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_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)) && ((z == 0 || z == 1) || z == 2) [2024-02-02 09:15:09,280 INFO L101 nessWitnessExtractor]: Location invariant before [L726-L726] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z == 2)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_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) [2024-02-02 09:15:09,281 INFO L101 nessWitnessExtractor]: Location invariant before [L759-L759] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_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)) && ((z == 0 || z == 1) || z == 2) [2024-02-02 09:15:09,281 INFO L101 nessWitnessExtractor]: Location invariant before [L736-L736] (((((((((((((((((((0 <= __unbuffered_p0_EAX) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_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)) && ((z == 0 || z == 1) || z == 2) [2024-02-02 09:15:09,281 INFO L101 nessWitnessExtractor]: Location invariant before [L747-L747] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_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)) && ((z == 0 || z == 1) || z == 2) [2024-02-02 09:15:09,281 INFO L101 nessWitnessExtractor]: Location invariant before [L768-L768] (((((((((((((((((((0 <= __unbuffered_p0_EAX) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_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)) && ((z == 0 || z == 1) || z == 2) [2024-02-02 09:15:09,281 INFO L101 nessWitnessExtractor]: Location invariant before [L745-L745] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_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)) && ((z == 0 || z == 1) || z == 2) [2024-02-02 09:15:09,283 INFO L101 nessWitnessExtractor]: Location invariant before [L743-L743] (((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p1_EAX <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && (x == 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_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)) && ((z == 0 || z == 1) || z == 2) [2024-02-02 09:15:09,283 INFO L101 nessWitnessExtractor]: Location invariant before [L764-L764] (unsigned long )arg == 0UL [2024-02-02 09:15:09,283 INFO L101 nessWitnessExtractor]: Location invariant before [L753-L753] (((((((((((((((((((0 <= __unbuffered_p0_EAX) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_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)) && ((z == 0 || z == 1) || z == 2) [2024-02-02 09:15:09,283 INFO L101 nessWitnessExtractor]: Location invariant before [L725-L725] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_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)) && ((z == 0 || z == 1) || z == 2) [2024-02-02 09:15:09,283 INFO L101 nessWitnessExtractor]: Location invariant before [L783-L783] (((((((__unbuffered_cnt == 0) && (__unbuffered_p0_EAX == 0)) && (__unbuffered_p1_EAX == 0)) && (main$tmp_guard0 == (_Bool)0)) && (main$tmp_guard1 == (_Bool)0)) && (x == 0)) && (y == 0)) && (z == 0) [2024-02-02 09:15:09,283 INFO L101 nessWitnessExtractor]: Location invariant before [L761-L761] (unsigned long )arg == 0UL [2024-02-02 09:15:09,284 INFO L101 nessWitnessExtractor]: Location invariant before [L767-L767] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_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)) && ((z == 0 || z == 1) || z == 2) [2024-02-02 09:15:09,284 INFO L101 nessWitnessExtractor]: Location invariant before [L763-L763] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z == 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_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) [2024-02-02 09:15:09,284 INFO L101 nessWitnessExtractor]: Location invariant before [L728-L728] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_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)) && ((z == 0 || z == 1) || z == 2) [2024-02-02 09:15:09,328 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-02 09:15:09,542 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/safe034_tso.i[945,958] [2024-02-02 09:15:09,621 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:15:09,627 INFO L202 MainTranslator]: Completed pre-run [2024-02-02 09:15:09,635 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/safe034_tso.i[945,958] [2024-02-02 09:15:09,636 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 [2024-02-02 09:15:09,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:15:09,815 INFO L206 MainTranslator]: Completed translation [2024-02-02 09:15:09,817 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:15:09 WrapperNode [2024-02-02 09:15:09,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-02 09:15:09,819 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-02 09:15:09,819 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-02 09:15:09,819 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-02 09:15:09,825 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 02.02 09:15:09" (1/1) ... [2024-02-02 09:15:09,859 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 02.02 09:15:09" (1/1) ... [2024-02-02 09:15:09,898 INFO L138 Inliner]: procedures = 176, calls = 57, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2024-02-02 09:15:09,900 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-02 09:15:09,900 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-02 09:15:09,901 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-02 09:15:09,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-02 09:15:09,909 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:15:09" (1/1) ... [2024-02-02 09:15:09,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:15:09" (1/1) ... [2024-02-02 09:15:09,919 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:15:09" (1/1) ... [2024-02-02 09:15:09,943 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]. [2024-02-02 09:15:09,943 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:15:09" (1/1) ... [2024-02-02 09:15:09,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:15:09" (1/1) ... [2024-02-02 09:15:09,960 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:15:09" (1/1) ... [2024-02-02 09:15:09,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:15:09" (1/1) ... [2024-02-02 09:15:09,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:15:09" (1/1) ... [2024-02-02 09:15:09,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:15:09" (1/1) ... [2024-02-02 09:15:09,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-02 09:15:09,981 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-02 09:15:09,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-02 09:15:09,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-02 09:15:09,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:15:09" (1/1) ... [2024-02-02 09:15:09,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:15:09,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-02 09:15:10,014 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) [2024-02-02 09:15:10,016 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 [2024-02-02 09:15:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-02 09:15:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-02 09:15:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-02 09:15:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-02 09:15:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-02 09:15:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-02 09:15:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-02 09:15:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-02 09:15:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-02 09:15:10,045 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-02 09:15:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-02 09:15:10,045 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-02 09:15:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-02 09:15:10,046 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-02 09:15:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-02 09:15:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-02 09:15:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-02 09:15:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-02 09:15:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-02 09:15:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-02 09:15:10,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-02 09:15:10,048 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-02 09:15:10,175 INFO L244 CfgBuilder]: Building ICFG [2024-02-02 09:15:10,177 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-02 09:15:10,791 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-02 09:15:10,791 INFO L293 CfgBuilder]: Performing block encoding [2024-02-02 09:15:10,995 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-02 09:15:10,995 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-02 09:15:11,008 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:15:10 BoogieIcfgContainer [2024-02-02 09:15:11,008 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-02 09:15:11,010 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-02 09:15:11,027 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-02 09:15:11,030 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-02 09:15:11,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:15:08" (1/4) ... [2024-02-02 09:15:11,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12ea9ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:15:11, skipping insertion in model container [2024-02-02 09:15:11,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:15:09" (2/4) ... [2024-02-02 09:15:11,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12ea9ada and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:15:11, skipping insertion in model container [2024-02-02 09:15:11,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:15:09" (3/4) ... [2024-02-02 09:15:11,034 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12ea9ada and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:15:11, skipping insertion in model container [2024-02-02 09:15:11,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:15:10" (4/4) ... [2024-02-02 09:15:11,036 INFO L112 eAbstractionObserver]: Analyzing ICFG safe034_tso.i [2024-02-02 09:15:11,050 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-02 09:15:11,050 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 47 error locations. [2024-02-02 09:15:11,051 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-02 09:15:11,138 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-02 09:15:11,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 110 places, 101 transitions, 214 flow [2024-02-02 09:15:11,215 INFO L124 PetriNetUnfolderBase]: 1/98 cut-off events. [2024-02-02 09:15:11,215 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:15:11,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 98 events. 1/98 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 407 event pairs, 0 based on Foata normal form. 0/50 useless extension candidates. Maximal degree in co-relation 98. Up to 2 conditions per place. [2024-02-02 09:15:11,220 INFO L82 GeneralOperation]: Start removeDead. Operand has 110 places, 101 transitions, 214 flow [2024-02-02 09:15:11,223 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 107 places, 98 transitions, 205 flow [2024-02-02 09:15:11,235 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-02 09:15:11,242 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;@7ce7abe7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-02 09:15:11,242 INFO L358 AbstractCegarLoop]: Starting to check reachability of 90 error locations. [2024-02-02 09:15:11,244 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-02 09:15:11,244 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-02 09:15:11,244 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:15:11,244 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:15:11,245 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-02 09:15:11,245 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 87 more)] === [2024-02-02 09:15:11,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:15:11,249 INFO L85 PathProgramCache]: Analyzing trace with hash 12806, now seen corresponding path program 1 times [2024-02-02 09:15:11,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:15:11,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253737181] [2024-02-02 09:15:11,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:15:11,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:15:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:15:11,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:15:11,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:15:11,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253737181] [2024-02-02 09:15:11,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253737181] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:15:11,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:15:11,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-02 09:15:11,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053450380] [2024-02-02 09:15:11,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:15:11,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:15:11,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:15:11,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:15:11,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:15:11,571 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 101 [2024-02-02 09:15:11,575 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 98 transitions, 205 flow. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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) [2024-02-02 09:15:11,575 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:15:11,576 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 101 [2024-02-02 09:15:11,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:15:19,159 INFO L124 PetriNetUnfolderBase]: 42215/65361 cut-off events. [2024-02-02 09:15:19,159 INFO L125 PetriNetUnfolderBase]: For 150/150 co-relation queries the response was YES. [2024-02-02 09:15:19,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123985 conditions, 65361 events. 42215/65361 cut-off events. For 150/150 co-relation queries the response was YES. Maximal size of possible extension queue 2791. Compared 575731 event pairs, 33447 based on Foata normal form. 1440/39484 useless extension candidates. Maximal degree in co-relation 123972. Up to 58229 conditions per place. [2024-02-02 09:15:19,725 INFO L140 encePairwiseOnDemand]: 82/101 looper letters, 56 selfloop transitions, 4 changer transitions 0/97 dead transitions. [2024-02-02 09:15:19,726 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 97 transitions, 329 flow [2024-02-02 09:15:19,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:15:19,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:15:19,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 199 transitions. [2024-02-02 09:15:19,739 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6567656765676567 [2024-02-02 09:15:19,741 INFO L175 Difference]: Start difference. First operand has 107 places, 98 transitions, 205 flow. Second operand 3 states and 199 transitions. [2024-02-02 09:15:19,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 97 transitions, 329 flow [2024-02-02 09:15:19,750 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 97 transitions, 324 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-02-02 09:15:19,754 INFO L231 Difference]: Finished difference. Result has 95 places, 88 transitions, 204 flow [2024-02-02 09:15:19,756 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=95, PETRI_TRANSITIONS=88} [2024-02-02 09:15:19,759 INFO L281 CegarLoopForPetriNet]: 107 programPoint places, -12 predicate places. [2024-02-02 09:15:19,765 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 88 transitions, 204 flow [2024-02-02 09:15:19,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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) [2024-02-02 09:15:19,766 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:15:19,766 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-02 09:15:19,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-02 09:15:19,766 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 87 more)] === [2024-02-02 09:15:19,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:15:19,767 INFO L85 PathProgramCache]: Analyzing trace with hash 382039290, now seen corresponding path program 1 times [2024-02-02 09:15:19,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:15:19,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574633478] [2024-02-02 09:15:19,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:15:19,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:15:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:15:19,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:15:19,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:15:19,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574633478] [2024-02-02 09:15:19,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574633478] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:15:19,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:15:19,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-02 09:15:19,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219347871] [2024-02-02 09:15:19,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:15:19,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-02 09:15:19,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:15:19,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-02 09:15:19,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-02 09:15:19,883 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 101 [2024-02-02 09:15:19,884 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 88 transitions, 204 flow. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 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) [2024-02-02 09:15:19,884 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:15:19,884 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 101 [2024-02-02 09:15:19,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:15:27,364 INFO L124 PetriNetUnfolderBase]: 45765/70189 cut-off events. [2024-02-02 09:15:27,365 INFO L125 PetriNetUnfolderBase]: For 6271/6271 co-relation queries the response was YES. [2024-02-02 09:15:27,550 INFO L83 FinitePrefix]: Finished finitePrefix Result has 141249 conditions, 70189 events. 45765/70189 cut-off events. For 6271/6271 co-relation queries the response was YES. Maximal size of possible extension queue 2877. Compared 604343 event pairs, 39706 based on Foata normal form. 6698/54164 useless extension candidates. Maximal degree in co-relation 141236. Up to 59616 conditions per place. [2024-02-02 09:15:28,152 INFO L140 encePairwiseOnDemand]: 93/101 looper letters, 86 selfloop transitions, 2 changer transitions 0/118 dead transitions. [2024-02-02 09:15:28,153 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 118 transitions, 458 flow [2024-02-02 09:15:28,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-02 09:15:28,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-02 09:15:28,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 225 transitions. [2024-02-02 09:15:28,159 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.556930693069307 [2024-02-02 09:15:28,159 INFO L175 Difference]: Start difference. First operand has 95 places, 88 transitions, 204 flow. Second operand 4 states and 225 transitions. [2024-02-02 09:15:28,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 118 transitions, 458 flow [2024-02-02 09:15:28,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 118 transitions, 452 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-02 09:15:28,162 INFO L231 Difference]: Finished difference. Result has 91 places, 82 transitions, 192 flow [2024-02-02 09:15:28,162 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=192, PETRI_PLACES=91, PETRI_TRANSITIONS=82} [2024-02-02 09:15:28,163 INFO L281 CegarLoopForPetriNet]: 107 programPoint places, -16 predicate places. [2024-02-02 09:15:28,163 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 82 transitions, 192 flow [2024-02-02 09:15:28,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 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) [2024-02-02 09:15:28,163 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:15:28,163 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-02 09:15:28,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-02 09:15:28,164 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 87 more)] === [2024-02-02 09:15:28,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:15:28,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1041683429, now seen corresponding path program 1 times [2024-02-02 09:15:28,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:15:28,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879311992] [2024-02-02 09:15:28,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:15:28,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:15:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:15:28,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:15:28,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:15:28,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879311992] [2024-02-02 09:15:28,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879311992] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:15:28,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:15:28,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-02 09:15:28,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076914274] [2024-02-02 09:15:28,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:15:28,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-02-02 09:15:28,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:15:28,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-02-02 09:15:28,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-02-02 09:15:28,510 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 101 [2024-02-02 09:15:28,510 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 82 transitions, 192 flow. Second operand has 5 states, 5 states have (on average 29.2) internal successors, (146), 5 states have internal predecessors, (146), 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) [2024-02-02 09:15:28,510 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:15:28,510 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 101 [2024-02-02 09:15:28,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:15:38,164 INFO L124 PetriNetUnfolderBase]: 63857/96260 cut-off events. [2024-02-02 09:15:38,165 INFO L125 PetriNetUnfolderBase]: For 10092/10108 co-relation queries the response was YES. [2024-02-02 09:15:38,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 195837 conditions, 96260 events. 63857/96260 cut-off events. For 10092/10108 co-relation queries the response was YES. Maximal size of possible extension queue 3890. Compared 839193 event pairs, 50649 based on Foata normal form. 27/67629 useless extension candidates. Maximal degree in co-relation 195823. Up to 87819 conditions per place. [2024-02-02 09:15:38,800 INFO L140 encePairwiseOnDemand]: 95/101 looper letters, 70 selfloop transitions, 7 changer transitions 0/102 dead transitions. [2024-02-02 09:15:38,800 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 102 transitions, 400 flow [2024-02-02 09:15:38,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-02 09:15:38,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-02 09:15:38,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 190 transitions. [2024-02-02 09:15:38,801 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47029702970297027 [2024-02-02 09:15:38,801 INFO L175 Difference]: Start difference. First operand has 91 places, 82 transitions, 192 flow. Second operand 4 states and 190 transitions. [2024-02-02 09:15:38,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 102 transitions, 400 flow [2024-02-02 09:15:38,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 102 transitions, 396 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:15:38,806 INFO L231 Difference]: Finished difference. Result has 94 places, 85 transitions, 225 flow [2024-02-02 09:15:38,806 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=189, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=225, PETRI_PLACES=94, PETRI_TRANSITIONS=85} [2024-02-02 09:15:38,807 INFO L281 CegarLoopForPetriNet]: 107 programPoint places, -13 predicate places. [2024-02-02 09:15:38,807 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 85 transitions, 225 flow [2024-02-02 09:15:38,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 5 states have internal predecessors, (146), 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) [2024-02-02 09:15:38,808 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:15:38,808 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-02 09:15:38,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-02 09:15:38,808 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 87 more)] === [2024-02-02 09:15:38,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:15:38,809 INFO L85 PathProgramCache]: Analyzing trace with hash 2065899363, now seen corresponding path program 1 times [2024-02-02 09:15:38,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:15:38,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513565532] [2024-02-02 09:15:38,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:15:38,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:15:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:15:38,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:15:38,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:15:38,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513565532] [2024-02-02 09:15:38,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513565532] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:15:38,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:15:38,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-02 09:15:38,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82154974] [2024-02-02 09:15:38,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:15:38,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-02 09:15:38,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:15:38,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-02 09:15:38,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-02 09:15:38,889 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 101 [2024-02-02 09:15:38,889 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 85 transitions, 225 flow. Second operand has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 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) [2024-02-02 09:15:38,889 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:15:38,889 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 101 [2024-02-02 09:15:38,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand