./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe008_tso.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/safe008_tso.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d8006e4b 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/safe008_tso.i ./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/safe008_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-d8006e4-m [2024-02-05 10:27:19,116 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-05 10:27:19,170 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-05 10:27:19,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-05 10:27:19,173 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-05 10:27:19,203 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-05 10:27:19,205 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-05 10:27:19,205 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-05 10:27:19,206 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-05 10:27:19,209 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-05 10:27:19,209 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-05 10:27:19,209 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-05 10:27:19,210 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-05 10:27:19,211 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-05 10:27:19,211 INFO L153 SettingsManager]: * Use SBE=true [2024-02-05 10:27:19,211 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-05 10:27:19,212 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-05 10:27:19,212 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-05 10:27:19,212 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-05 10:27:19,212 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-05 10:27:19,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-05 10:27:19,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-05 10:27:19,213 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-05 10:27:19,213 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-05 10:27:19,213 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-05 10:27:19,214 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-05 10:27:19,214 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-05 10:27:19,214 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-05 10:27:19,214 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-05 10:27:19,215 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-05 10:27:19,215 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-05 10:27:19,216 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-05 10:27:19,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:27:19,216 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-05 10:27:19,216 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-05 10:27:19,216 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-05 10:27:19,217 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-05 10:27:19,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-05 10:27:19,217 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-05 10:27:19,217 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-05 10:27:19,217 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-05 10:27:19,217 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-05 10:27:19,218 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-05 10:27:19,218 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-05 10:27:19,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-05 10:27:19,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-05 10:27:19,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-05 10:27:19,498 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-05 10:27:19,498 INFO L274 PluginConnector]: CDTParser initialized [2024-02-05 10:27:19,499 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe008_tso.i [2024-02-05 10:27:20,560 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-05 10:27:20,832 INFO L384 CDTParser]: Found 1 translation units. [2024-02-05 10:27:20,838 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe008_tso.i [2024-02-05 10:27:20,853 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e41ea4d1/86b33363b7864392a1413495927fadc8/FLAG1015adced [2024-02-05 10:27:20,871 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e41ea4d1/86b33363b7864392a1413495927fadc8 [2024-02-05 10:27:20,873 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-05 10:27:20,874 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-05 10:27:20,875 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/safe008_tso.yml/witness.yml [2024-02-05 10:27:21,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-05 10:27:21,103 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-05 10:27:21,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-05 10:27:21,106 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-05 10:27:21,109 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-05 10:27:21,110 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:27:20" (1/2) ... [2024-02-05 10:27:21,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76aa30e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:27:21, skipping insertion in model container [2024-02-05 10:27:21,111 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:27:20" (1/2) ... [2024-02-05 10:27:21,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@9cc5fef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:27:21, skipping insertion in model container [2024-02-05 10:27:21,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:27:21" (2/2) ... [2024-02-05 10:27:21,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76aa30e5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:27:21, skipping insertion in model container [2024-02-05 10:27:21,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:27:21" (2/2) ... [2024-02-05 10:27:21,114 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-05 10:27:21,440 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-05 10:27:21,441 INFO L101 nessWitnessExtractor]: Location invariant before [L764-L764] (((((((((((((((((((0 <= __unbuffered_p1_EAX) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && ((z == 0 || z == 1) || z == 2) [2024-02-05 10:27:21,441 INFO L101 nessWitnessExtractor]: Location invariant after [L18-L18] expression == 1 [2024-02-05 10:27:21,441 INFO L101 nessWitnessExtractor]: Location invariant before [L746-L746] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p1_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && ((z == 0 || z == 1) || z == 2) [2024-02-05 10:27:21,441 INFO L101 nessWitnessExtractor]: Location invariant before [L763-L763] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p1_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && ((z == 0 || z == 1) || z == 2) [2024-02-05 10:27:21,441 INFO L101 nessWitnessExtractor]: Location invariant before [L791-L791] (((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z == 2)) && (__unbuffered_p1_EAX == 1 || ((0 <= __unbuffered_p1_EAX && __unbuffered_p1_EAX <= 1) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)))) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1) [2024-02-05 10:27:21,442 INFO L101 nessWitnessExtractor]: Location invariant after [L18-L18] expression == 0 [2024-02-05 10:27:21,442 INFO L101 nessWitnessExtractor]: Location invariant before [L761-L761] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p1_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && ((z == 0 || z == 1) || z == 2) [2024-02-05 10:27:21,442 INFO L101 nessWitnessExtractor]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-05 10:27:21,442 INFO L101 nessWitnessExtractor]: Location invariant before [L755-L755] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p1_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && ((z == 0 || z == 1) || z == 2) [2024-02-05 10:27:21,442 INFO L101 nessWitnessExtractor]: Location invariant before [L731-L731] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p1_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && ((z == 0 || z == 1) || z == 2) [2024-02-05 10:27:21,442 INFO L101 nessWitnessExtractor]: Location invariant before [L758-L758] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p1_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && ((z == 0 || z == 1) || z == 2) [2024-02-05 10:27:21,442 INFO L101 nessWitnessExtractor]: Location invariant before [L762-L762] (unsigned long )arg == 0UL [2024-02-05 10:27:21,443 INFO L101 nessWitnessExtractor]: Location invariant before [L726-L726] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p1_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z == 2)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1) [2024-02-05 10:27:21,443 INFO L101 nessWitnessExtractor]: Location invariant before [L747-L747] (unsigned long )arg == 0UL [2024-02-05 10:27:21,443 INFO L101 nessWitnessExtractor]: Location invariant before [L749-L749] (((((((((((((((((((0 <= __unbuffered_p1_EAX) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && ((z == 0 || z == 1) || z == 2) [2024-02-05 10:27:21,443 INFO L101 nessWitnessExtractor]: Location invariant before [L725-L725] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p1_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && ((z == 0 || z == 1) || z == 2) [2024-02-05 10:27:21,443 INFO L101 nessWitnessExtractor]: Location invariant before [L765-L765] (unsigned long )arg == 0UL [2024-02-05 10:27:21,443 INFO L101 nessWitnessExtractor]: Location invariant before [L760-L760] (unsigned long )arg == 0UL [2024-02-05 10:27:21,444 INFO L101 nessWitnessExtractor]: Location invariant before [L785-L785] ((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p1_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && ((z == 0 || z == 1) || z == 2) [2024-02-05 10:27:21,444 INFO L101 nessWitnessExtractor]: Location invariant before [L750-L750] (unsigned long )arg == 0UL [2024-02-05 10:27:21,444 INFO L101 nessWitnessExtractor]: Location invariant before [L734-L734] (((((((((((((((((((0 <= __unbuffered_p1_EAX) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && ((z == 0 || z == 1) || z == 2) [2024-02-05 10:27:21,444 INFO L101 nessWitnessExtractor]: Location invariant before [L730-L730] (unsigned long )arg == 0UL [2024-02-05 10:27:21,444 INFO L101 nessWitnessExtractor]: Location invariant before [L727-L727] (unsigned long )arg == 0UL [2024-02-05 10:27:21,444 INFO L101 nessWitnessExtractor]: Location invariant before [L18-L18] expression == 1 [2024-02-05 10:27:21,444 INFO L101 nessWitnessExtractor]: Location invariant before [L740-L740] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p1_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && ((z == 0 || z == 1) || z == 2) [2024-02-05 10:27:21,445 INFO L101 nessWitnessExtractor]: Location invariant before [L754-L754] (unsigned long )arg == 0UL [2024-02-05 10:27:21,445 INFO L101 nessWitnessExtractor]: Location invariant before [L739-L739] (unsigned long )arg == 0UL [2024-02-05 10:27:21,445 INFO L101 nessWitnessExtractor]: Location invariant before [L733-L733] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p1_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && ((z == 0 || z == 1) || z == 2) [2024-02-05 10:27:21,445 INFO L101 nessWitnessExtractor]: Location invariant before [L757-L757] (unsigned long )arg == 0UL [2024-02-05 10:27:21,445 INFO L101 nessWitnessExtractor]: Location invariant before [L735-L735] (unsigned long )arg == 0UL [2024-02-05 10:27:21,445 INFO L101 nessWitnessExtractor]: Location invariant before [L786-L786] ((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p1_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && ((z == 0 || z == 1) || z == 2) [2024-02-05 10:27:21,445 INFO L101 nessWitnessExtractor]: Location invariant before [L792-L792] ((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p1_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && ((z == 0 || z == 1) || z == 2) [2024-02-05 10:27:21,446 INFO L101 nessWitnessExtractor]: Location invariant before [L741-L741] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p1_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && ((z == 0 || z == 1) || z == 2) [2024-02-05 10:27:21,446 INFO L101 nessWitnessExtractor]: Location invariant before [L789-L789] ((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p1_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && ((z == 0 || z == 1) || z == 2) [2024-02-05 10:27:21,446 INFO L101 nessWitnessExtractor]: Location invariant before [L779-L779] (((((((__unbuffered_cnt == 0) && (__unbuffered_p1_EAX == 0)) && (__unbuffered_p2_EAX == 0)) && (main$tmp_guard0 == (_Bool)0)) && (main$tmp_guard1 == (_Bool)0)) && (x == 0)) && (y == 0)) && (z == 0) [2024-02-05 10:27:21,446 INFO L101 nessWitnessExtractor]: Location invariant before [L744-L744] (((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p1_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= z)) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (z <= 2)) && (z <= 127)) && (y == 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((z == 0 || z == 1) || z == 2) [2024-02-05 10:27:21,446 INFO L101 nessWitnessExtractor]: Location invariant before [L732-L732] (unsigned long )arg == 0UL [2024-02-05 10:27:21,446 INFO L101 nessWitnessExtractor]: Location invariant before [L743-L743] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p1_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && ((z == 0 || z == 1) || z == 2) [2024-02-05 10:27:21,446 INFO L101 nessWitnessExtractor]: Location invariant before [L728-L728] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p1_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && ((z == 0 || z == 1) || z == 2) [2024-02-05 10:27:21,447 INFO L101 nessWitnessExtractor]: Location invariant before [L759-L759] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p1_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z == 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1) [2024-02-05 10:27:21,447 INFO L101 nessWitnessExtractor]: Location invariant before [L18-L18] expression == 0 [2024-02-05 10:27:21,447 INFO L101 nessWitnessExtractor]: Location invariant before [L742-L742] (unsigned long )arg == 0UL [2024-02-05 10:27:21,447 INFO L101 nessWitnessExtractor]: Location invariant before [L748-L748] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p1_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && ((z == 0 || z == 1) || z == 2) [2024-02-05 10:27:21,447 INFO L101 nessWitnessExtractor]: Location invariant before [L745-L745] (unsigned long )arg == 0UL [2024-02-05 10:27:21,447 INFO L101 nessWitnessExtractor]: Location invariant after [L18-L18] expression == 1 [2024-02-05 10:27:21,447 INFO L101 nessWitnessExtractor]: Location invariant before [L724-L724] (unsigned long )arg == 0UL [2024-02-05 10:27:21,448 INFO L101 nessWitnessExtractor]: Location invariant before [L756-L756] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p1_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && ((z == 0 || z == 1) || z == 2) [2024-02-05 10:27:21,448 INFO L101 nessWitnessExtractor]: Location invariant before [L729-L729] (((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p1_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= y)) && (0 <= z)) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (y <= 1)) && (z <= 2)) && (z <= 127)) && (x == 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && ((z == 0 || z == 1) || z == 2) [2024-02-05 10:27:21,478 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-02-05 10:27:21,615 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/safe008_tso.i[945,958] [2024-02-05 10:27:21,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:27:21,747 INFO L204 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-05 10:27:21,790 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/safe008_tso.i[945,958] Start Parsing Local Start Parsing Local [2024-02-05 10:27:21,792 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 [2024-02-05 10:27:21,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:27:21,993 INFO L208 MainTranslator]: Completed translation [2024-02-05 10:27:21,995 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:27:21 WrapperNode [2024-02-05 10:27:21,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-05 10:27:21,997 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-05 10:27:21,997 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-05 10:27:21,997 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-05 10:27:22,002 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 05.02 10:27:21" (1/1) ... [2024-02-05 10:27:22,034 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 05.02 10:27:21" (1/1) ... [2024-02-05 10:27:22,066 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2024-02-05 10:27:22,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-05 10:27:22,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-05 10:27:22,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-05 10:27:22,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-05 10:27:22,076 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:27:21" (1/1) ... [2024-02-05 10:27:22,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:27:21" (1/1) ... [2024-02-05 10:27:22,082 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:27:21" (1/1) ... [2024-02-05 10:27:22,096 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]. [2024-02-05 10:27:22,097 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:27:21" (1/1) ... [2024-02-05 10:27:22,097 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:27:21" (1/1) ... [2024-02-05 10:27:22,105 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:27:21" (1/1) ... [2024-02-05 10:27:22,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:27:21" (1/1) ... [2024-02-05 10:27:22,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:27:21" (1/1) ... [2024-02-05 10:27:22,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:27:21" (1/1) ... [2024-02-05 10:27:22,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-05 10:27:22,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-05 10:27:22,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-05 10:27:22,115 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-05 10:27:22,116 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:27:21" (1/1) ... [2024-02-05 10:27:22,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:27:22,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-05 10:27:22,172 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) [2024-02-05 10:27:22,188 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 [2024-02-05 10:27:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-05 10:27:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-05 10:27:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-05 10:27:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-05 10:27:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-05 10:27:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-05 10:27:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-05 10:27:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-05 10:27:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-05 10:27:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-05 10:27:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-05 10:27:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-05 10:27:22,215 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-05 10:27:22,216 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-05 10:27:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-05 10:27:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-05 10:27:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-05 10:27:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-05 10:27:22,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-05 10:27:22,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-05 10:27:22,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-05 10:27:22,218 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-05 10:27:22,386 INFO L244 CfgBuilder]: Building ICFG [2024-02-05 10:27:22,388 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-05 10:27:22,900 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-05 10:27:22,901 INFO L293 CfgBuilder]: Performing block encoding [2024-02-05 10:27:23,131 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-05 10:27:23,131 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-05 10:27:23,132 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.02 10:27:23 BoogieIcfgContainer [2024-02-05 10:27:23,133 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-05 10:27:23,135 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-05 10:27:23,135 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-05 10:27:23,139 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-05 10:27:23,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 10:27:20" (1/4) ... [2024-02-05 10:27:23,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a4726c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 10:27:23, skipping insertion in model container [2024-02-05 10:27:23,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:27:21" (2/4) ... [2024-02-05 10:27:23,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a4726c7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 05.02 10:27:23, skipping insertion in model container [2024-02-05 10:27:23,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:27:21" (3/4) ... [2024-02-05 10:27:23,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a4726c7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 05.02 10:27:23, skipping insertion in model container [2024-02-05 10:27:23,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.02 10:27:23" (4/4) ... [2024-02-05 10:27:23,143 INFO L112 eAbstractionObserver]: Analyzing ICFG safe008_tso.i [2024-02-05 10:27:23,158 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-05 10:27:23,159 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 46 error locations. [2024-02-05 10:27:23,159 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-05 10:27:23,263 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-05 10:27:23,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 107 places, 98 transitions, 208 flow [2024-02-05 10:27:23,347 INFO L124 PetriNetUnfolderBase]: 1/95 cut-off events. [2024-02-05 10:27:23,347 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-05 10:27:23,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 95 events. 1/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 390 event pairs, 0 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 95. Up to 2 conditions per place. [2024-02-05 10:27:23,352 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 98 transitions, 208 flow [2024-02-05 10:27:23,355 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 95 transitions, 199 flow [2024-02-05 10:27:23,362 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-05 10:27:23,368 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;@178e02e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-05 10:27:23,368 INFO L358 AbstractCegarLoop]: Starting to check reachability of 85 error locations. [2024-02-05 10:27:23,370 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-05 10:27:23,371 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-05 10:27:23,371 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-05 10:27:23,371 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:27:23,372 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-05 10:27:23,372 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 82 more)] === [2024-02-05 10:27:23,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:27:23,376 INFO L85 PathProgramCache]: Analyzing trace with hash 12571, now seen corresponding path program 1 times [2024-02-05 10:27:23,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:27:23,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015748116] [2024-02-05 10:27:23,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:27:23,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:27:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:27:23,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:27:23,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:27:23,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015748116] [2024-02-05 10:27:23,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015748116] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:27:23,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:27:23,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-05 10:27:23,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681136837] [2024-02-05 10:27:23,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:27:23,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-05 10:27:23,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:27:23,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-05 10:27:23,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-05 10:27:23,694 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 98 [2024-02-05 10:27:23,696 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 95 transitions, 199 flow. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:27:23,696 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:27:23,696 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 98 [2024-02-05 10:27:23,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:27:29,375 INFO L124 PetriNetUnfolderBase]: 28311/49480 cut-off events. [2024-02-05 10:27:29,376 INFO L125 PetriNetUnfolderBase]: For 100/100 co-relation queries the response was YES. [2024-02-05 10:27:29,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 88984 conditions, 49480 events. 28311/49480 cut-off events. For 100/100 co-relation queries the response was YES. Maximal size of possible extension queue 2455. Compared 489787 event pairs, 18051 based on Foata normal form. 900/30133 useless extension candidates. Maximal degree in co-relation 88971. Up to 38977 conditions per place. [2024-02-05 10:27:29,789 INFO L140 encePairwiseOnDemand]: 79/98 looper letters, 56 selfloop transitions, 4 changer transitions 0/98 dead transitions. [2024-02-05 10:27:29,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 98 transitions, 331 flow [2024-02-05 10:27:29,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:27:29,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:27:29,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 204 transitions. [2024-02-05 10:27:29,800 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6938775510204082 [2024-02-05 10:27:29,802 INFO L175 Difference]: Start difference. First operand has 104 places, 95 transitions, 199 flow. Second operand 3 states and 204 transitions. [2024-02-05 10:27:29,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 98 transitions, 331 flow [2024-02-05 10:27:29,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 98 transitions, 326 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-02-05 10:27:29,811 INFO L231 Difference]: Finished difference. Result has 92 places, 85 transitions, 198 flow [2024-02-05 10:27:29,812 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=198, PETRI_PLACES=92, PETRI_TRANSITIONS=85} [2024-02-05 10:27:29,821 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -12 predicate places. [2024-02-05 10:27:29,821 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 85 transitions, 198 flow [2024-02-05 10:27:29,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:27:29,821 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:27:29,822 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-05 10:27:29,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-05 10:27:29,822 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 82 more)] === [2024-02-05 10:27:29,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:27:29,824 INFO L85 PathProgramCache]: Analyzing trace with hash 375022709, now seen corresponding path program 1 times [2024-02-05 10:27:29,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:27:29,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550068301] [2024-02-05 10:27:29,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:27:29,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:27:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:27:29,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:27:29,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:27:29,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550068301] [2024-02-05 10:27:29,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550068301] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:27:29,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:27:29,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-05 10:27:29,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066030166] [2024-02-05 10:27:29,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:27:29,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-05 10:27:29,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:27:29,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-05 10:27:29,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-05 10:27:29,944 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 98 [2024-02-05 10:27:29,946 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 85 transitions, 198 flow. Second operand has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 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) [2024-02-05 10:27:29,946 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:27:29,946 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 98 [2024-02-05 10:27:29,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:27:35,416 INFO L124 PetriNetUnfolderBase]: 30947/53089 cut-off events. [2024-02-05 10:27:35,416 INFO L125 PetriNetUnfolderBase]: For 4498/4498 co-relation queries the response was YES. [2024-02-05 10:27:35,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101729 conditions, 53089 events. 30947/53089 cut-off events. For 4498/4498 co-relation queries the response was YES. Maximal size of possible extension queue 2582. Compared 519222 event pairs, 18925 based on Foata normal form. 4360/40654 useless extension candidates. Maximal degree in co-relation 101716. Up to 40268 conditions per place. [2024-02-05 10:27:35,965 INFO L140 encePairwiseOnDemand]: 91/98 looper letters, 80 selfloop transitions, 2 changer transitions 0/114 dead transitions. [2024-02-05 10:27:35,965 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 114 transitions, 438 flow [2024-02-05 10:27:35,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-05 10:27:35,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-05 10:27:35,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 226 transitions. [2024-02-05 10:27:35,971 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.576530612244898 [2024-02-05 10:27:35,971 INFO L175 Difference]: Start difference. First operand has 92 places, 85 transitions, 198 flow. Second operand 4 states and 226 transitions. [2024-02-05 10:27:35,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 114 transitions, 438 flow [2024-02-05 10:27:35,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 114 transitions, 432 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-05 10:27:35,975 INFO L231 Difference]: Finished difference. Result has 89 places, 80 transitions, 188 flow [2024-02-05 10:27:35,976 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=188, PETRI_PLACES=89, PETRI_TRANSITIONS=80} [2024-02-05 10:27:35,976 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -15 predicate places. [2024-02-05 10:27:35,977 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 80 transitions, 188 flow [2024-02-05 10:27:35,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 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) [2024-02-05 10:27:35,977 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:27:35,977 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-05 10:27:35,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-05 10:27:35,977 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 82 more)] === [2024-02-05 10:27:35,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:27:35,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1259197450, now seen corresponding path program 1 times [2024-02-05 10:27:35,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:27:35,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112143950] [2024-02-05 10:27:35,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:27:35,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:27:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:27:36,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:27:36,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:27:36,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112143950] [2024-02-05 10:27:36,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112143950] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:27:36,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:27:36,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-05 10:27:36,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869527998] [2024-02-05 10:27:36,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:27:36,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-02-05 10:27:36,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:27:36,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-02-05 10:27:36,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-02-05 10:27:36,292 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 98 [2024-02-05 10:27:36,293 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 80 transitions, 188 flow. Second operand has 5 states, 5 states have (on average 32.2) internal successors, (161), 5 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) [2024-02-05 10:27:36,293 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:27:36,293 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 98 [2024-02-05 10:27:36,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:27:43,390 INFO L124 PetriNetUnfolderBase]: 42497/73022 cut-off events. [2024-02-05 10:27:43,390 INFO L125 PetriNetUnfolderBase]: For 6919/6919 co-relation queries the response was YES. [2024-02-05 10:27:43,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 140017 conditions, 73022 events. 42497/73022 cut-off events. For 6919/6919 co-relation queries the response was YES. Maximal size of possible extension queue 3475. Compared 733661 event pairs, 27233 based on Foata normal form. 58/50986 useless extension candidates. Maximal degree in co-relation 140003. Up to 58281 conditions per place. [2024-02-05 10:27:44,002 INFO L140 encePairwiseOnDemand]: 92/98 looper letters, 73 selfloop transitions, 7 changer transitions 0/108 dead transitions. [2024-02-05 10:27:44,002 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 108 transitions, 418 flow [2024-02-05 10:27:44,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-05 10:27:44,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-05 10:27:44,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 205 transitions. [2024-02-05 10:27:44,004 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5229591836734694 [2024-02-05 10:27:44,004 INFO L175 Difference]: Start difference. First operand has 89 places, 80 transitions, 188 flow. Second operand 4 states and 205 transitions. [2024-02-05 10:27:44,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 108 transitions, 418 flow [2024-02-05 10:27:44,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 108 transitions, 414 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-05 10:27:44,008 INFO L231 Difference]: Finished difference. Result has 92 places, 83 transitions, 221 flow [2024-02-05 10:27:44,008 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=221, PETRI_PLACES=92, PETRI_TRANSITIONS=83} [2024-02-05 10:27:44,009 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -12 predicate places. [2024-02-05 10:27:44,009 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 83 transitions, 221 flow [2024-02-05 10:27:44,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 5 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) [2024-02-05 10:27:44,010 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:27:44,010 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-05 10:27:44,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-05 10:27:44,010 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 82 more)] === [2024-02-05 10:27:44,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:27:44,011 INFO L85 PathProgramCache]: Analyzing trace with hash -380470948, now seen corresponding path program 1 times [2024-02-05 10:27:44,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:27:44,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287315203] [2024-02-05 10:27:44,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:27:44,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:27:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:27:44,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:27:44,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:27:44,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287315203] [2024-02-05 10:27:44,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287315203] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:27:44,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:27:44,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-05 10:27:44,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172275988] [2024-02-05 10:27:44,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:27:44,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-05 10:27:44,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:27:44,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-05 10:27:44,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-05 10:27:44,112 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 98 [2024-02-05 10:27:44,113 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 83 transitions, 221 flow. Second operand has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:27:44,113 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:27:44,113 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 98 [2024-02-05 10:27:44,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:27:49,667 INFO L124 PetriNetUnfolderBase]: 32671/53274 cut-off events. [2024-02-05 10:27:49,668 INFO L125 PetriNetUnfolderBase]: For 6304/6373 co-relation queries the response was YES. [2024-02-05 10:27:49,829 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106104 conditions, 53274 events. 32671/53274 cut-off events. For 6304/6373 co-relation queries the response was YES. Maximal size of possible extension queue 2672. Compared 484032 event pairs, 22358 based on Foata normal form. 4749/41315 useless extension candidates. Maximal degree in co-relation 106088. Up to 42660 conditions per place. [2024-02-05 10:27:50,044 INFO L140 encePairwiseOnDemand]: 91/98 looper letters, 89 selfloop transitions, 2 changer transitions 0/119 dead transitions. [2024-02-05 10:27:50,044 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 119 transitions, 507 flow [2024-02-05 10:27:50,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-05 10:27:50,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-05 10:27:50,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 232 transitions. [2024-02-05 10:27:50,046 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5918367346938775 [2024-02-05 10:27:50,046 INFO L175 Difference]: Start difference. First operand has 92 places, 83 transitions, 221 flow. Second operand 4 states and 232 transitions. [2024-02-05 10:27:50,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 119 transitions, 507 flow [2024-02-05 10:27:50,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 119 transitions, 487 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-05 10:27:50,056 INFO L231 Difference]: Finished difference. Result has 88 places, 78 transitions, 203 flow [2024-02-05 10:27:50,056 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=199, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=203, PETRI_PLACES=88, PETRI_TRANSITIONS=78} [2024-02-05 10:27:50,057 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -16 predicate places. [2024-02-05 10:27:50,057 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 78 transitions, 203 flow [2024-02-05 10:27:50,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:27:50,057 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:27:50,057 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-02-05 10:27:50,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-05 10:27:50,058 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 82 more)] === [2024-02-05 10:27:50,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:27:50,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1090302981, now seen corresponding path program 1 times [2024-02-05 10:27:50,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:27:50,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649468839] [2024-02-05 10:27:50,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:27:50,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:27:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:27:50,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:27:50,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:27:50,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649468839] [2024-02-05 10:27:50,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649468839] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:27:50,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:27:50,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-05 10:27:50,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167440411] [2024-02-05 10:27:50,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:27:50,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-02-05 10:27:50,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:27:50,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-02-05 10:27:50,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-02-05 10:27:50,280 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 98 [2024-02-05 10:27:50,280 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 78 transitions, 203 flow. Second operand has 5 states, 5 states have (on average 32.6) internal successors, (163), 5 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) [2024-02-05 10:27:50,280 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:27:50,280 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 98 [2024-02-05 10:27:50,280 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand