./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 13967880 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-wip.fs.extract-columns-1396788-m [2024-02-02 16:10:38,252 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-02 16:10:38,345 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-02 16:10:38,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-02 16:10:38,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-02 16:10:38,387 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-02 16:10:38,387 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-02 16:10:38,388 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-02 16:10:38,388 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-02 16:10:38,392 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-02 16:10:38,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-02 16:10:38,393 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-02 16:10:38,394 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-02 16:10:38,395 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-02 16:10:38,395 INFO L153 SettingsManager]: * Use SBE=true [2024-02-02 16:10:38,396 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-02 16:10:38,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-02 16:10:38,396 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-02 16:10:38,396 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-02 16:10:38,397 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-02 16:10:38,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-02 16:10:38,397 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-02 16:10:38,398 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-02 16:10:38,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-02 16:10:38,398 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-02 16:10:38,398 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-02 16:10:38,399 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-02 16:10:38,399 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-02 16:10:38,400 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-02 16:10:38,400 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-02 16:10:38,401 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-02 16:10:38,401 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-02 16:10:38,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 16:10:38,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-02 16:10:38,402 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-02 16:10:38,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-02 16:10:38,402 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-02 16:10:38,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-02 16:10:38,403 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-02 16:10:38,403 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-02 16:10:38,403 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-02 16:10:38,404 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-02 16:10:38,404 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-02 16:10:38,404 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-02 16:10:38,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-02 16:10:38,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-02 16:10:38,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-02 16:10:38,718 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-02 16:10:38,719 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-02 16:10:38,720 INFO L431 ainManager$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 16:10:38,960 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-02 16:10:38,961 INFO L274 PluginConnector]: CDTParser initialized [2024-02-02 16:10:38,961 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe034_tso.i [2024-02-02 16:10:40,154 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-02 16:10:40,435 INFO L384 CDTParser]: Found 1 translation units. [2024-02-02 16:10:40,436 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe034_tso.i [2024-02-02 16:10:40,450 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1657ef9d/69c95eecf1dc4566a6e55760ffb0183c/FLAGeb8d7ae76 [2024-02-02 16:10:40,461 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1657ef9d/69c95eecf1dc4566a6e55760ffb0183c [2024-02-02 16:10:40,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-02 16:10:40,465 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-02 16:10:40,469 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-02 16:10:40,469 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-02 16:10:40,474 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-02 16:10:40,475 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 04:10:38" (1/2) ... [2024-02-02 16:10:40,476 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e715ce2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 04:10:40, skipping insertion in model container [2024-02-02 16:10:40,477 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 04:10:38" (1/2) ... [2024-02-02 16:10:40,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@458bc13c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 04:10:40, skipping insertion in model container [2024-02-02 16:10:40,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 04:10:40" (2/2) ... [2024-02-02 16:10:40,479 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e715ce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 04:10:40, skipping insertion in model container [2024-02-02 16:10:40,479 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 04:10:40" (2/2) ... [2024-02-02 16:10:40,480 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-02 16:10:40,897 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-02 16:10:40,898 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 16:10:40,898 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 16:10:40,898 INFO L101 nessWitnessExtractor]: Location invariant before [L766-L766] (unsigned long )arg == 0UL [2024-02-02 16:10:40,898 INFO L101 nessWitnessExtractor]: Location invariant before [L18-L18] expression == 1 [2024-02-02 16:10:40,899 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 16:10:40,900 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 16:10:40,900 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 16:10:40,900 INFO L101 nessWitnessExtractor]: Location invariant before [L758-L758] (unsigned long )arg == 0UL [2024-02-02 16:10:40,900 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 16:10:40,900 INFO L101 nessWitnessExtractor]: Location invariant before [L18-L18] expression == 0 [2024-02-02 16:10:40,900 INFO L101 nessWitnessExtractor]: Location invariant before [L751-L751] (unsigned long )arg == 0UL [2024-02-02 16:10:40,901 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 16:10:40,901 INFO L101 nessWitnessExtractor]: Location invariant before [L761-L761] (unsigned long )arg == 0UL [2024-02-02 16:10:40,901 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 16:10:40,901 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 16:10:40,901 INFO L101 nessWitnessExtractor]: Location invariant before [L769-L769] (unsigned long )arg == 0UL [2024-02-02 16:10:40,901 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 16:10:40,902 INFO L101 nessWitnessExtractor]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-02 16:10:40,902 INFO L101 nessWitnessExtractor]: Location invariant before [L764-L764] (unsigned long )arg == 0UL [2024-02-02 16:10:40,902 INFO L101 nessWitnessExtractor]: Location invariant after [L18-L18] expression == 0 [2024-02-02 16:10:40,902 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 16:10:40,903 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 16:10:40,903 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 16:10:40,903 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 16:10:40,903 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 16:10:40,903 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 16:10:40,904 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 16:10:40,904 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 16:10:40,904 INFO L101 nessWitnessExtractor]: Location invariant before [L737-L737] (unsigned long )arg == 0UL [2024-02-02 16:10:40,904 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 16:10:40,904 INFO L101 nessWitnessExtractor]: Location invariant before [L724-L724] (unsigned long )arg == 0UL [2024-02-02 16:10:40,904 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 16:10:40,905 INFO L101 nessWitnessExtractor]: Location invariant before [L744-L744] (unsigned long )arg == 0UL [2024-02-02 16:10:40,905 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 16:10:40,905 INFO L101 nessWitnessExtractor]: Location invariant before [L754-L754] (unsigned long )arg == 0UL [2024-02-02 16:10:40,905 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 16:10:40,905 INFO L101 nessWitnessExtractor]: Location invariant before [L727-L727] (unsigned long )arg == 0UL [2024-02-02 16:10:40,905 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 16:10:40,907 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 16:10:40,907 INFO L101 nessWitnessExtractor]: Location invariant before [L729-L729] (unsigned long )arg == 0UL [2024-02-02 16:10:40,907 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 16:10:40,907 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 16:10:40,908 INFO L101 nessWitnessExtractor]: Location invariant before [L749-L749] (unsigned long )arg == 0UL [2024-02-02 16:10:40,908 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 16:10:40,908 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 16:10:40,908 INFO L101 nessWitnessExtractor]: Location invariant after [L18-L18] expression == 1 [2024-02-02 16:10:40,909 INFO L101 nessWitnessExtractor]: Location invariant after [L18-L18] expression == 1 [2024-02-02 16:10:40,909 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 16:10:40,909 INFO L101 nessWitnessExtractor]: Location invariant before [L741-L741] (unsigned long )arg == 0UL [2024-02-02 16:10:40,909 INFO L101 nessWitnessExtractor]: Location invariant before [L746-L746] (unsigned long )arg == 0UL [2024-02-02 16:10:40,909 INFO L101 nessWitnessExtractor]: Location invariant before [L734-L734] (unsigned long )arg == 0UL [2024-02-02 16:10:40,910 INFO L101 nessWitnessExtractor]: Location invariant before [L732-L732] (unsigned long )arg == 0UL [2024-02-02 16:10:40,957 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-02-02 16:10:41,129 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 16:10:41,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 16:10:41,279 INFO L204 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-02 16:10:41,324 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] Start Parsing Local Start Parsing Local [2024-02-02 16:10:41,326 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-02 16:10:41,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 16:10:41,569 INFO L208 MainTranslator]: Completed translation [2024-02-02 16:10:41,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 04:10:41 WrapperNode [2024-02-02 16:10:41,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-02 16:10:41,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-02 16:10:41,573 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-02 16:10:41,573 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-02 16:10:41,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 04:10:41" (1/1) ... [2024-02-02 16:10:41,603 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 04:10:41" (1/1) ... [2024-02-02 16:10:41,630 INFO L138 Inliner]: procedures = 176, calls = 57, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2024-02-02 16:10:41,631 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-02 16:10:41,631 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-02 16:10:41,631 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-02 16:10:41,631 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-02 16:10:41,641 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 04:10:41" (1/1) ... [2024-02-02 16:10:41,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 04:10:41" (1/1) ... [2024-02-02 16:10:41,645 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 04:10:41" (1/1) ... [2024-02-02 16:10:41,661 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 16:10:41,661 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 04:10:41" (1/1) ... [2024-02-02 16:10:41,661 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 04:10:41" (1/1) ... [2024-02-02 16:10:41,675 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 04:10:41" (1/1) ... [2024-02-02 16:10:41,677 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 04:10:41" (1/1) ... [2024-02-02 16:10:41,679 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 04:10:41" (1/1) ... [2024-02-02 16:10:41,681 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 04:10:41" (1/1) ... [2024-02-02 16:10:41,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-02 16:10:41,686 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-02 16:10:41,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-02 16:10:41,686 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-02 16:10:41,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 04:10:41" (1/1) ... [2024-02-02 16:10:41,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 16:10:41,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-02 16:10:41,717 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 16:10:41,747 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 16:10:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-02 16:10:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-02 16:10:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-02 16:10:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-02 16:10:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-02 16:10:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-02 16:10:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-02 16:10:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-02 16:10:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-02 16:10:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-02 16:10:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-02 16:10:41,765 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-02 16:10:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-02 16:10:41,765 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-02 16:10:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-02 16:10:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-02 16:10:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-02 16:10:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-02 16:10:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-02 16:10:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-02 16:10:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-02 16:10:41,768 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 16:10:41,932 INFO L244 CfgBuilder]: Building ICFG [2024-02-02 16:10:41,934 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-02 16:10:42,482 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-02 16:10:42,482 INFO L293 CfgBuilder]: Performing block encoding [2024-02-02 16:10:42,760 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-02 16:10:42,760 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-02 16:10:42,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 04:10:42 BoogieIcfgContainer [2024-02-02 16:10:42,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-02 16:10:42,763 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-02 16:10:42,763 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-02 16:10:42,766 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-02 16:10:42,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 04:10:38" (1/4) ... [2024-02-02 16:10:42,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@302d8597 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 04:10:42, skipping insertion in model container [2024-02-02 16:10:42,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 04:10:40" (2/4) ... [2024-02-02 16:10:42,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@302d8597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 04:10:42, skipping insertion in model container [2024-02-02 16:10:42,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 04:10:41" (3/4) ... [2024-02-02 16:10:42,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@302d8597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 04:10:42, skipping insertion in model container [2024-02-02 16:10:42,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 04:10:42" (4/4) ... [2024-02-02 16:10:42,768 INFO L112 eAbstractionObserver]: Analyzing ICFG safe034_tso.i [2024-02-02 16:10:42,784 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-02 16:10:42,784 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2024-02-02 16:10:42,784 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-02 16:10:42,902 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-02 16:10:42,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 115 places, 106 transitions, 224 flow [2024-02-02 16:10:42,975 INFO L124 PetriNetUnfolderBase]: 1/103 cut-off events. [2024-02-02 16:10:42,976 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 16:10:42,980 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 103 events. 1/103 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 441 event pairs, 0 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 103. Up to 2 conditions per place. [2024-02-02 16:10:42,980 INFO L82 GeneralOperation]: Start removeDead. Operand has 115 places, 106 transitions, 224 flow [2024-02-02 16:10:42,984 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 112 places, 103 transitions, 215 flow [2024-02-02 16:10:42,992 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-02 16:10:42,997 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;@3badef59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-02 16:10:42,998 INFO L358 AbstractCegarLoop]: Starting to check reachability of 93 error locations. [2024-02-02 16:10:42,999 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-02 16:10:42,999 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-02 16:10:42,999 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 16:10:43,000 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 16:10:43,000 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-02 16:10:43,001 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 90 more)] === [2024-02-02 16:10:43,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 16:10:43,005 INFO L85 PathProgramCache]: Analyzing trace with hash 13031, now seen corresponding path program 1 times [2024-02-02 16:10:43,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 16:10:43,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707607876] [2024-02-02 16:10:43,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 16:10:43,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 16:10:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 16:10:43,319 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 16:10:43,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 16:10:43,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707607876] [2024-02-02 16:10:43,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707607876] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 16:10:43,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 16:10:43,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-02 16:10:43,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343076249] [2024-02-02 16:10:43,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 16:10:43,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 16:10:43,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 16:10:43,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 16:10:43,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 16:10:43,365 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 106 [2024-02-02 16:10:43,368 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 103 transitions, 215 flow. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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 16:10:43,368 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 16:10:43,369 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 106 [2024-02-02 16:10:43,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 16:10:52,908 INFO L124 PetriNetUnfolderBase]: 42215/71261 cut-off events. [2024-02-02 16:10:52,909 INFO L125 PetriNetUnfolderBase]: For 150/150 co-relation queries the response was YES. [2024-02-02 16:10:53,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129885 conditions, 71261 events. 42215/71261 cut-off events. For 150/150 co-relation queries the response was YES. Maximal size of possible extension queue 3083. Compared 704401 event pairs, 33447 based on Foata normal form. 1188/42568 useless extension candidates. Maximal degree in co-relation 129872. Up to 58229 conditions per place. [2024-02-02 16:10:53,593 INFO L140 encePairwiseOnDemand]: 87/106 looper letters, 56 selfloop transitions, 4 changer transitions 0/102 dead transitions. [2024-02-02 16:10:53,593 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 102 transitions, 339 flow [2024-02-02 16:10:53,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 16:10:53,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 16:10:53,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 214 transitions. [2024-02-02 16:10:53,611 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6729559748427673 [2024-02-02 16:10:53,612 INFO L175 Difference]: Start difference. First operand has 112 places, 103 transitions, 215 flow. Second operand 3 states and 214 transitions. [2024-02-02 16:10:53,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 102 transitions, 339 flow [2024-02-02 16:10:53,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 102 transitions, 334 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-02-02 16:10:53,630 INFO L231 Difference]: Finished difference. Result has 100 places, 93 transitions, 214 flow [2024-02-02 16:10:53,632 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=100, PETRI_TRANSITIONS=93} [2024-02-02 16:10:53,636 INFO L281 CegarLoopForPetriNet]: 112 programPoint places, -12 predicate places. [2024-02-02 16:10:53,636 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 93 transitions, 214 flow [2024-02-02 16:10:53,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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 16:10:53,637 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 16:10:53,637 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-02 16:10:53,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-02 16:10:53,638 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 90 more)] === [2024-02-02 16:10:53,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 16:10:53,639 INFO L85 PathProgramCache]: Analyzing trace with hash 388754181, now seen corresponding path program 1 times [2024-02-02 16:10:53,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 16:10:53,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513564621] [2024-02-02 16:10:53,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 16:10:53,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 16:10:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 16:10:53,799 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 16:10:53,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 16:10:53,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513564621] [2024-02-02 16:10:53,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513564621] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 16:10:53,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 16:10:53,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-02 16:10:53,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551296490] [2024-02-02 16:10:53,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 16:10:53,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-02 16:10:53,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 16:10:53,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-02 16:10:53,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-02 16:10:53,835 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 39 out of 106 [2024-02-02 16:10:53,838 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 93 transitions, 214 flow. Second operand has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 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 16:10:53,838 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 16:10:53,838 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 39 of 106 [2024-02-02 16:10:53,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 16:11:02,328 INFO L124 PetriNetUnfolderBase]: 45765/77032 cut-off events. [2024-02-02 16:11:02,328 INFO L125 PetriNetUnfolderBase]: For 6248/6305 co-relation queries the response was YES. [2024-02-02 16:11:02,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 148092 conditions, 77032 events. 45765/77032 cut-off events. For 6248/6305 co-relation queries the response was YES. Maximal size of possible extension queue 3243. Compared 761765 event pairs, 34629 based on Foata normal form. 6698/58050 useless extension candidates. Maximal degree in co-relation 148079. Up to 59616 conditions per place. [2024-02-02 16:11:03,196 INFO L140 encePairwiseOnDemand]: 98/106 looper letters, 86 selfloop transitions, 2 changer transitions 0/123 dead transitions. [2024-02-02 16:11:03,196 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 123 transitions, 468 flow [2024-02-02 16:11:03,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-02 16:11:03,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-02 16:11:03,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 245 transitions. [2024-02-02 16:11:03,205 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5778301886792453 [2024-02-02 16:11:03,205 INFO L175 Difference]: Start difference. First operand has 100 places, 93 transitions, 214 flow. Second operand 4 states and 245 transitions. [2024-02-02 16:11:03,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 123 transitions, 468 flow [2024-02-02 16:11:03,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 123 transitions, 462 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-02 16:11:03,209 INFO L231 Difference]: Finished difference. Result has 96 places, 87 transitions, 202 flow [2024-02-02 16:11:03,210 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=202, PETRI_PLACES=96, PETRI_TRANSITIONS=87} [2024-02-02 16:11:03,211 INFO L281 CegarLoopForPetriNet]: 112 programPoint places, -16 predicate places. [2024-02-02 16:11:03,211 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 87 transitions, 202 flow [2024-02-02 16:11:03,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 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 16:11:03,211 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 16:11:03,212 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-02 16:11:03,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-02 16:11:03,212 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 90 more)] === [2024-02-02 16:11:03,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 16:11:03,215 INFO L85 PathProgramCache]: Analyzing trace with hash -833521796, now seen corresponding path program 1 times [2024-02-02 16:11:03,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 16:11:03,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206688337] [2024-02-02 16:11:03,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 16:11:03,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 16:11:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 16:11:03,577 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 16:11:03,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 16:11:03,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206688337] [2024-02-02 16:11:03,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206688337] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 16:11:03,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 16:11:03,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-02 16:11:03,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874096046] [2024-02-02 16:11:03,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 16:11:03,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-02-02 16:11:03,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 16:11:03,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-02-02 16:11:03,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-02-02 16:11:03,623 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 106 [2024-02-02 16:11:03,624 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 87 transitions, 202 flow. Second operand has 5 states, 5 states have (on average 34.2) internal successors, (171), 5 states have internal predecessors, (171), 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 16:11:03,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 16:11:03,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 106 [2024-02-02 16:11:03,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 16:11:13,977 INFO L124 PetriNetUnfolderBase]: 63857/104901 cut-off events. [2024-02-02 16:11:13,978 INFO L125 PetriNetUnfolderBase]: For 10120/10138 co-relation queries the response was YES. [2024-02-02 16:11:14,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 204478 conditions, 104901 events. 63857/104901 cut-off events. For 10120/10138 co-relation queries the response was YES. Maximal size of possible extension queue 4257. Compared 1030829 event pairs, 50605 based on Foata normal form. 27/72470 useless extension candidates. Maximal degree in co-relation 204464. Up to 87819 conditions per place. [2024-02-02 16:11:14,914 INFO L140 encePairwiseOnDemand]: 100/106 looper letters, 70 selfloop transitions, 7 changer transitions 0/107 dead transitions. [2024-02-02 16:11:14,914 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 107 transitions, 410 flow [2024-02-02 16:11:14,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-02 16:11:14,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-02 16:11:14,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 210 transitions. [2024-02-02 16:11:14,916 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49528301886792453 [2024-02-02 16:11:14,916 INFO L175 Difference]: Start difference. First operand has 96 places, 87 transitions, 202 flow. Second operand 4 states and 210 transitions. [2024-02-02 16:11:14,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 107 transitions, 410 flow [2024-02-02 16:11:14,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 107 transitions, 406 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 16:11:14,923 INFO L231 Difference]: Finished difference. Result has 99 places, 90 transitions, 235 flow [2024-02-02 16:11:14,923 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=199, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=235, PETRI_PLACES=99, PETRI_TRANSITIONS=90} [2024-02-02 16:11:14,924 INFO L281 CegarLoopForPetriNet]: 112 programPoint places, -13 predicate places. [2024-02-02 16:11:14,925 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 90 transitions, 235 flow [2024-02-02 16:11:14,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 5 states have internal predecessors, (171), 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 16:11:14,925 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 16:11:14,925 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-02 16:11:14,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-02 16:11:14,926 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 90 more)] === [2024-02-02 16:11:14,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 16:11:14,927 INFO L85 PathProgramCache]: Analyzing trace with hash -71173549, now seen corresponding path program 1 times [2024-02-02 16:11:14,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 16:11:14,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203780499] [2024-02-02 16:11:14,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 16:11:14,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 16:11:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 16:11:15,023 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 16:11:15,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 16:11:15,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203780499] [2024-02-02 16:11:15,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203780499] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 16:11:15,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 16:11:15,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-02 16:11:15,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059087386] [2024-02-02 16:11:15,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 16:11:15,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-02 16:11:15,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 16:11:15,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-02 16:11:15,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-02 16:11:15,050 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 39 out of 106 [2024-02-02 16:11:15,051 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 90 transitions, 235 flow. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 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 16:11:15,052 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 16:11:15,055 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 39 of 106 [2024-02-02 16:11:15,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand