./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe005_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/safe005_tso.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3d25acf6 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/safe005_tso.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/safe005_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-3d25acf-m [2024-01-30 14:17:12,445 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-30 14:17:12,510 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-30 14:17:12,514 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-30 14:17:12,515 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-30 14:17:12,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-30 14:17:12,538 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-30 14:17:12,538 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-30 14:17:12,539 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-30 14:17:12,542 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-30 14:17:12,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-30 14:17:12,543 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-30 14:17:12,543 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-30 14:17:12,544 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-30 14:17:12,544 INFO L153 SettingsManager]: * Use SBE=true [2024-01-30 14:17:12,545 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-30 14:17:12,545 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-30 14:17:12,545 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-30 14:17:12,545 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-30 14:17:12,546 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-30 14:17:12,546 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-30 14:17:12,546 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-30 14:17:12,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-30 14:17:12,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-30 14:17:12,547 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-30 14:17:12,547 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-30 14:17:12,547 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-30 14:17:12,547 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-30 14:17:12,548 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-30 14:17:12,548 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-30 14:17:12,549 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-30 14:17:12,549 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-30 14:17:12,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:17:12,550 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-30 14:17:12,550 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-30 14:17:12,550 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-30 14:17:12,550 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-30 14:17:12,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-30 14:17:12,550 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-30 14:17:12,551 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-30 14:17:12,551 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-30 14:17:12,551 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-30 14:17:12,551 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-30 14:17:12,551 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-30 14:17:12,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-30 14:17:12,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-30 14:17:12,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-30 14:17:12,793 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-30 14:17:12,794 INFO L274 PluginConnector]: CDTParser initialized [2024-01-30 14:17:12,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe005_tso.i [2024-01-30 14:17:13,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-30 14:17:14,083 INFO L384 CDTParser]: Found 1 translation units. [2024-01-30 14:17:14,084 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe005_tso.i [2024-01-30 14:17:14,094 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ed3641e8/662be89c7ca444a0bfd06b4231412c61/FLAGe70b1e4bd [2024-01-30 14:17:14,104 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ed3641e8/662be89c7ca444a0bfd06b4231412c61 [2024-01-30 14:17:14,106 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-30 14:17:14,107 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-30 14:17:14,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/safe005_tso.yml/witness.yml [2024-01-30 14:17:14,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-30 14:17:14,383 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-30 14:17:14,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-30 14:17:14,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-30 14:17:14,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-30 14:17:14,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:17:14" (1/2) ... [2024-01-30 14:17:14,390 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76d6e11f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:17:14, skipping insertion in model container [2024-01-30 14:17:14,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:17:14" (1/2) ... [2024-01-30 14:17:14,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2dda936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:17:14, skipping insertion in model container [2024-01-30 14:17:14,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:17:14" (2/2) ... [2024-01-30 14:17:14,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76d6e11f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:17:14, skipping insertion in model container [2024-01-30 14:17:14,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:17:14" (2/2) ... [2024-01-30 14:17:14,392 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-30 14:17:14,749 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-30 14:17:14,750 INFO L98 nessWitnessExtractor]: Location invariant before [L725-L725] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 2)) && (__unbuffered_p2_EBX <= 127)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_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)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) || __unbuffered_p2_EBX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-30 14:17:14,750 INFO L98 nessWitnessExtractor]: Location invariant before [L746-L746] ((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 2)) && (__unbuffered_p2_EBX <= 127)) && (x <= 1)) && (y == 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_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)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) || __unbuffered_p2_EBX == 2) [2024-01-30 14:17:14,751 INFO L98 nessWitnessExtractor]: Location invariant before [L752-L752] (unsigned long )arg == 0UL [2024-01-30 14:17:14,751 INFO L98 nessWitnessExtractor]: Location invariant before [L732-L732] (unsigned long )arg == 0UL [2024-01-30 14:17:14,751 INFO L98 nessWitnessExtractor]: Location invariant before [L751-L751] (((((((((((((((((((((0 <= __unbuffered_p0_EAX) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 2)) && (__unbuffered_p2_EBX <= 127)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_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)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) || __unbuffered_p2_EBX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-30 14:17:14,752 INFO L98 nessWitnessExtractor]: Location invariant before [L744-L744] (unsigned long )arg == 0UL [2024-01-30 14:17:14,752 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] ((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 2)) && (__unbuffered_p2_EBX <= 127)) && (x <= 1)) && (y == 2)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_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)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) || __unbuffered_p2_EBX == 2) [2024-01-30 14:17:14,752 INFO L98 nessWitnessExtractor]: Location invariant before [L757-L757] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 2)) && (__unbuffered_p2_EBX <= 127)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_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)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) || __unbuffered_p2_EBX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-30 14:17:14,752 INFO L98 nessWitnessExtractor]: Location invariant before [L750-L750] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 2)) && (__unbuffered_p2_EBX <= 127)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_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)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) || __unbuffered_p2_EBX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-30 14:17:14,752 INFO L98 nessWitnessExtractor]: Location invariant before [L762-L762] (unsigned long )arg == 0UL [2024-01-30 14:17:14,752 INFO L98 nessWitnessExtractor]: Location invariant before [L787-L787] ((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 2)) && (__unbuffered_p2_EBX <= 127)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_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)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) || __unbuffered_p2_EBX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-30 14:17:14,753 INFO L98 nessWitnessExtractor]: Location invariant before [L767-L767] (unsigned long )arg == 0UL [2024-01-30 14:17:14,753 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 2)) && (__unbuffered_p2_EBX <= 127)) && (y <= 2)) && (y <= 127)) && (x == 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) || __unbuffered_p2_EBX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-30 14:17:14,753 INFO L98 nessWitnessExtractor]: Location invariant before [L761-L761] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 2)) && (__unbuffered_p2_EBX <= 127)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_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)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) || __unbuffered_p2_EBX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-30 14:17:14,753 INFO L98 nessWitnessExtractor]: Location invariant before [L733-L733] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 2)) && (__unbuffered_p2_EBX <= 127)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_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)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) || __unbuffered_p2_EBX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-30 14:17:14,753 INFO L98 nessWitnessExtractor]: Location invariant before [L794-L794] ((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 2)) && (__unbuffered_p2_EBX <= 127)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_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)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) || __unbuffered_p2_EBX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-30 14:17:14,753 INFO L98 nessWitnessExtractor]: Location invariant before [L788-L788] ((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 2)) && (__unbuffered_p2_EBX <= 127)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_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)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) || __unbuffered_p2_EBX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-30 14:17:14,754 INFO L98 nessWitnessExtractor]: Location invariant before [L734-L734] (unsigned long )arg == 0UL [2024-01-30 14:17:14,754 INFO L98 nessWitnessExtractor]: Location invariant before [L749-L749] (unsigned long )arg == 0UL [2024-01-30 14:17:14,754 INFO L98 nessWitnessExtractor]: Location invariant before [L735-L735] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 2)) && (__unbuffered_p2_EBX <= 127)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_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)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) || __unbuffered_p2_EBX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-30 14:17:14,754 INFO L98 nessWitnessExtractor]: Location invariant before [L736-L736] (((((((((((((((((((((0 <= __unbuffered_p0_EAX) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 2)) && (__unbuffered_p2_EBX <= 127)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_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)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) || __unbuffered_p2_EBX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-30 14:17:14,754 INFO L98 nessWitnessExtractor]: Location invariant before [L756-L756] (unsigned long )arg == 0UL [2024-01-30 14:17:14,755 INFO L98 nessWitnessExtractor]: Location invariant before [L747-L747] (unsigned long )arg == 0UL [2024-01-30 14:17:14,755 INFO L98 nessWitnessExtractor]: Location invariant before [L748-L748] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 2)) && (__unbuffered_p2_EBX <= 127)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_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)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) || __unbuffered_p2_EBX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-30 14:17:14,755 INFO L98 nessWitnessExtractor]: Location invariant before [L742-L742] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 2)) && (__unbuffered_p2_EBX <= 127)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_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)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) || __unbuffered_p2_EBX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-30 14:17:14,755 INFO L98 nessWitnessExtractor]: Location invariant before [L759-L759] (unsigned long )arg == 0UL [2024-01-30 14:17:14,755 INFO L98 nessWitnessExtractor]: Location invariant before [L791-L791] ((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 2)) && (__unbuffered_p2_EBX <= 127)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_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)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) || __unbuffered_p2_EBX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-30 14:17:14,756 INFO L98 nessWitnessExtractor]: Location invariant before [L727-L727] (unsigned long )arg == 0UL [2024-01-30 14:17:14,756 INFO L98 nessWitnessExtractor]: Location invariant before [L730-L730] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 2)) && (__unbuffered_p2_EBX <= 127)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_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)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) || __unbuffered_p2_EBX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-30 14:17:14,756 INFO L98 nessWitnessExtractor]: Location invariant before [L745-L745] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 2)) && (__unbuffered_p2_EBX <= 127)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_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)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) || __unbuffered_p2_EBX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-30 14:17:14,756 INFO L98 nessWitnessExtractor]: Location invariant before [L764-L764] (unsigned long )arg == 0UL [2024-01-30 14:17:14,756 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] (unsigned long )arg == 0UL [2024-01-30 14:17:14,756 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 2)) && (__unbuffered_p2_EBX <= 127)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_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)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) || __unbuffered_p2_EBX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-30 14:17:14,756 INFO L98 nessWitnessExtractor]: Location invariant before [L737-L737] (unsigned long )arg == 0UL [2024-01-30 14:17:14,757 INFO L98 nessWitnessExtractor]: Location invariant before [L766-L766] (((((((((((((((((((((0 <= __unbuffered_p0_EAX) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 2)) && (__unbuffered_p2_EBX <= 127)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_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)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) || __unbuffered_p2_EBX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-30 14:17:14,757 INFO L98 nessWitnessExtractor]: Location invariant before [L724-L724] (unsigned long )arg == 0UL [2024-01-30 14:17:14,757 INFO L98 nessWitnessExtractor]: Location invariant before [L731-L731] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 2)) && (__unbuffered_p2_EBX <= 127)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_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)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) || __unbuffered_p2_EBX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-30 14:17:14,757 INFO L98 nessWitnessExtractor]: Location invariant before [L758-L758] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 2)) && (__unbuffered_p2_EBX <= 127)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_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)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) || __unbuffered_p2_EBX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-30 14:17:14,758 INFO L98 nessWitnessExtractor]: Location invariant before [L763-L763] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 2)) && (__unbuffered_p2_EBX <= 127)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_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)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) || __unbuffered_p2_EBX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-30 14:17:14,758 INFO L98 nessWitnessExtractor]: Location invariant before [L729-L729] (unsigned long )arg == 0UL [2024-01-30 14:17:14,759 INFO L98 nessWitnessExtractor]: Location invariant before [L760-L760] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 2)) && (__unbuffered_p2_EBX <= 127)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_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)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) || __unbuffered_p2_EBX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-30 14:17:14,759 INFO L98 nessWitnessExtractor]: Location invariant before [L781-L781] (((((((__unbuffered_cnt == 0) && (__unbuffered_p0_EAX == 0)) && (__unbuffered_p2_EAX == 0)) && (__unbuffered_p2_EBX == 0)) && (main$tmp_guard0 == (_Bool)0)) && (main$tmp_guard1 == (_Bool)0)) && (x == 0)) && (y == 0) [2024-01-30 14:17:14,759 INFO L98 nessWitnessExtractor]: Location invariant before [L18-L18] ((((expression == 1) && (0 <= expression)) && (expression <= 1)) && (expression == 0 || expression == 1)) && (expression == 0) [2024-01-30 14:17:14,759 INFO L98 nessWitnessExtractor]: Location invariant before [L765-L765] (((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 2)) && (__unbuffered_p2_EBX <= 127)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_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)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) || __unbuffered_p2_EBX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-30 14:17:14,759 INFO L98 nessWitnessExtractor]: Location invariant before [L793-L793] (((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EBX)) && (0 <= x)) && (__unbuffered_p2_EBX <= 2)) && (__unbuffered_p2_EBX <= 127)) && (x <= 1)) && (y == 2)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((__unbuffered_p0_EAX == 0 && (__unbuffered_p2_EAX == 1 || (((0 <= __unbuffered_p2_EAX && __unbuffered_p2_EAX <= 2) && __unbuffered_p2_EAX <= 127) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)))) || ((((((0 <= __unbuffered_p0_EAX && 0 <= __unbuffered_p2_EAX) && __unbuffered_p0_EAX <= 1) && __unbuffered_p2_EAX <= 2) && __unbuffered_p2_EAX <= 127) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)))) && ((__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) || __unbuffered_p2_EBX == 2) [2024-01-30 14:17:14,795 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-30 14:17:14,947 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/safe005_tso.i[945,958] [2024-01-30 14:17:15,050 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:17:15,059 INFO L202 MainTranslator]: Completed pre-run [2024-01-30 14:17:15,068 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/safe005_tso.i[945,958] [2024-01-30 14:17:15,069 WARN L424 MainDispatcher]: Unable to annotate void __VERIFIER_assert(int expression) { if (!expression) { ERROR: {reach_error();abort();} }; return; } with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-30 14:17:15,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:17:15,253 INFO L206 MainTranslator]: Completed translation [2024-01-30 14:17:15,254 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:17:15 WrapperNode [2024-01-30 14:17:15,254 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-30 14:17:15,255 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-30 14:17:15,255 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-30 14:17:15,256 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-30 14:17:15,261 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 30.01 02:17:15" (1/1) ... [2024-01-30 14:17:15,299 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 30.01 02:17:15" (1/1) ... [2024-01-30 14:17:15,327 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2024-01-30 14:17:15,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-30 14:17:15,328 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-30 14:17:15,328 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-30 14:17:15,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-30 14:17:15,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:17:15" (1/1) ... [2024-01-30 14:17:15,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:17:15" (1/1) ... [2024-01-30 14:17:15,340 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:17:15" (1/1) ... [2024-01-30 14:17:15,370 INFO L175 MemorySlicer]: Split 5 memory accesses to 4 slices as follows [2, 1, 1, 1]. 40 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-01-30 14:17:15,372 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:17:15" (1/1) ... [2024-01-30 14:17:15,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:17:15" (1/1) ... [2024-01-30 14:17:15,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:17:15" (1/1) ... [2024-01-30 14:17:15,398 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:17:15" (1/1) ... [2024-01-30 14:17:15,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:17:15" (1/1) ... [2024-01-30 14:17:15,412 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:17:15" (1/1) ... [2024-01-30 14:17:15,416 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-30 14:17:15,417 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-30 14:17:15,417 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-30 14:17:15,417 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-30 14:17:15,418 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:17:15" (1/1) ... [2024-01-30 14:17:15,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:17:15,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-30 14:17:15,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-30 14:17:15,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-30 14:17:15,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-30 14:17:15,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-30 14:17:15,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-30 14:17:15,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-30 14:17:15,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-30 14:17:15,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-30 14:17:15,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-30 14:17:15,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-30 14:17:15,515 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-01-30 14:17:15,515 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-01-30 14:17:15,516 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-01-30 14:17:15,516 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-01-30 14:17:15,516 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-01-30 14:17:15,516 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-01-30 14:17:15,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-30 14:17:15,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-30 14:17:15,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-30 14:17:15,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-30 14:17:15,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-30 14:17:15,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-30 14:17:15,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-30 14:17:15,519 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-30 14:17:15,611 INFO L244 CfgBuilder]: Building ICFG [2024-01-30 14:17:15,613 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-30 14:17:16,123 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-30 14:17:16,124 INFO L293 CfgBuilder]: Performing block encoding [2024-01-30 14:17:16,448 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-30 14:17:16,450 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-30 14:17:16,450 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:17:16 BoogieIcfgContainer [2024-01-30 14:17:16,451 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-30 14:17:16,453 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-30 14:17:16,454 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-30 14:17:16,456 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-30 14:17:16,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.01 02:17:14" (1/4) ... [2024-01-30 14:17:16,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8c2092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 02:17:16, skipping insertion in model container [2024-01-30 14:17:16,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:17:14" (2/4) ... [2024-01-30 14:17:16,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8c2092 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 30.01 02:17:16, skipping insertion in model container [2024-01-30 14:17:16,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:17:15" (3/4) ... [2024-01-30 14:17:16,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8c2092 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 30.01 02:17:16, skipping insertion in model container [2024-01-30 14:17:16,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:17:16" (4/4) ... [2024-01-30 14:17:16,460 INFO L112 eAbstractionObserver]: Analyzing ICFG safe005_tso.i [2024-01-30 14:17:16,476 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-30 14:17:16,477 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 45 error locations. [2024-01-30 14:17:16,477 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-30 14:17:16,571 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-30 14:17:16,607 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 106 places, 97 transitions, 206 flow [2024-01-30 14:17:16,647 INFO L124 PetriNetUnfolderBase]: 1/94 cut-off events. [2024-01-30 14:17:16,648 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:17:16,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 1/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 382 event pairs, 0 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2024-01-30 14:17:16,657 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 97 transitions, 206 flow [2024-01-30 14:17:16,672 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 94 transitions, 197 flow [2024-01-30 14:17:16,691 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-30 14:17:16,700 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;@46f2ed1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-30 14:17:16,701 INFO L358 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2024-01-30 14:17:16,706 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-30 14:17:16,707 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-30 14:17:16,707 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:17:16,707 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:17:16,708 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-30 14:17:16,708 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 83 more)] === [2024-01-30 14:17:16,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:17:16,712 INFO L85 PathProgramCache]: Analyzing trace with hash 12732, now seen corresponding path program 1 times [2024-01-30 14:17:16,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:17:16,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529184544] [2024-01-30 14:17:16,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:17:16,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:17:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:17:17,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:17:17,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:17:17,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529184544] [2024-01-30 14:17:17,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529184544] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:17:17,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:17:17,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-30 14:17:17,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410047875] [2024-01-30 14:17:17,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:17:17,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-30 14:17:17,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:17:17,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-30 14:17:17,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-30 14:17:17,137 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 38 out of 97 [2024-01-30 14:17:17,140 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 94 transitions, 197 flow. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:17:17,140 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:17:17,140 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 38 of 97 [2024-01-30 14:17:17,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:17:24,415 INFO L124 PetriNetUnfolderBase]: 34351/54178 cut-off events. [2024-01-30 14:17:24,416 INFO L125 PetriNetUnfolderBase]: For 126/126 co-relation queries the response was YES. [2024-01-30 14:17:24,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 102010 conditions, 54178 events. 34351/54178 cut-off events. For 126/126 co-relation queries the response was YES. Maximal size of possible extension queue 2482. Compared 485707 event pairs, 19743 based on Foata normal form. 1200/33736 useless extension candidates. Maximal degree in co-relation 101997. Up to 47293 conditions per place. [2024-01-30 14:17:24,921 INFO L140 encePairwiseOnDemand]: 78/97 looper letters, 60 selfloop transitions, 4 changer transitions 0/99 dead transitions. [2024-01-30 14:17:24,921 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 99 transitions, 341 flow [2024-01-30 14:17:24,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-30 14:17:24,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-30 14:17:24,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 199 transitions. [2024-01-30 14:17:24,933 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6838487972508591 [2024-01-30 14:17:24,934 INFO L175 Difference]: Start difference. First operand has 103 places, 94 transitions, 197 flow. Second operand 3 states and 199 transitions. [2024-01-30 14:17:24,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 99 transitions, 341 flow [2024-01-30 14:17:24,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 99 transitions, 336 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-01-30 14:17:24,946 INFO L231 Difference]: Finished difference. Result has 91 places, 84 transitions, 196 flow [2024-01-30 14:17:24,950 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=196, PETRI_PLACES=91, PETRI_TRANSITIONS=84} [2024-01-30 14:17:24,953 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, -12 predicate places. [2024-01-30 14:17:24,953 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 84 transitions, 196 flow [2024-01-30 14:17:24,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:17:24,960 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:17:24,960 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-30 14:17:24,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-30 14:17:24,961 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 83 more)] === [2024-01-30 14:17:24,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:17:24,961 INFO L85 PathProgramCache]: Analyzing trace with hash 379819989, now seen corresponding path program 1 times [2024-01-30 14:17:24,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:17:24,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234874818] [2024-01-30 14:17:24,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:17:24,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:17:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:17:25,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:17:25,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:17:25,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234874818] [2024-01-30 14:17:25,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234874818] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:17:25,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:17:25,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-30 14:17:25,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39893397] [2024-01-30 14:17:25,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:17:25,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-30 14:17:25,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:17:25,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-30 14:17:25,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-30 14:17:25,126 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 97 [2024-01-30 14:17:25,127 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 84 transitions, 196 flow. Second operand has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:17:25,127 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:17:25,127 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 97 [2024-01-30 14:17:25,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:17:32,813 INFO L124 PetriNetUnfolderBase]: 36987/57557 cut-off events. [2024-01-30 14:17:32,814 INFO L125 PetriNetUnfolderBase]: For 4834/4834 co-relation queries the response was YES. [2024-01-30 14:17:32,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115335 conditions, 57557 events. 36987/57557 cut-off events. For 4834/4834 co-relation queries the response was YES. Maximal size of possible extension queue 2545. Compared 507598 event pairs, 20537 based on Foata normal form. 5482/45507 useless extension candidates. Maximal degree in co-relation 115322. Up to 48552 conditions per place. [2024-01-30 14:17:33,414 INFO L140 encePairwiseOnDemand]: 89/97 looper letters, 82 selfloop transitions, 2 changer transitions 0/112 dead transitions. [2024-01-30 14:17:33,415 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 112 transitions, 438 flow [2024-01-30 14:17:33,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-30 14:17:33,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-30 14:17:33,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 213 transitions. [2024-01-30 14:17:33,417 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5489690721649485 [2024-01-30 14:17:33,417 INFO L175 Difference]: Start difference. First operand has 91 places, 84 transitions, 196 flow. Second operand 4 states and 213 transitions. [2024-01-30 14:17:33,417 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 112 transitions, 438 flow [2024-01-30 14:17:33,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 112 transitions, 432 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-30 14:17:33,420 INFO L231 Difference]: Finished difference. Result has 87 places, 78 transitions, 184 flow [2024-01-30 14:17:33,420 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=84, 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=184, PETRI_PLACES=87, PETRI_TRANSITIONS=78} [2024-01-30 14:17:33,421 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, -16 predicate places. [2024-01-30 14:17:33,421 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 78 transitions, 184 flow [2024-01-30 14:17:33,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:17:33,421 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:17:33,421 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-30 14:17:33,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-30 14:17:33,422 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 83 more)] === [2024-01-30 14:17:33,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:17:33,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1110481771, now seen corresponding path program 1 times [2024-01-30 14:17:33,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:17:33,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922727611] [2024-01-30 14:17:33,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:17:33,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:17:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:17:33,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:17:33,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:17:33,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922727611] [2024-01-30 14:17:33,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922727611] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:17:33,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:17:33,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-30 14:17:33,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141726423] [2024-01-30 14:17:33,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:17:33,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-30 14:17:33,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:17:33,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-30 14:17:33,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-01-30 14:17:33,757 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 97 [2024-01-30 14:17:33,758 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 78 transitions, 184 flow. Second operand has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:17:33,758 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:17:33,758 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 97 [2024-01-30 14:17:33,759 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:17:42,751 INFO L124 PetriNetUnfolderBase]: 51565/78575 cut-off events. [2024-01-30 14:17:42,751 INFO L125 PetriNetUnfolderBase]: For 7728/7733 co-relation queries the response was YES. [2024-01-30 14:17:42,895 INFO L83 FinitePrefix]: Finished finitePrefix Result has 159274 conditions, 78575 events. 51565/78575 cut-off events. For 7728/7733 co-relation queries the response was YES. Maximal size of possible extension queue 3394. Compared 684995 event pairs, 29807 based on Foata normal form. 57/56672 useless extension candidates. Maximal degree in co-relation 159260. Up to 70769 conditions per place. [2024-01-30 14:17:43,210 INFO L140 encePairwiseOnDemand]: 91/97 looper letters, 80 selfloop transitions, 7 changer transitions 0/110 dead transitions. [2024-01-30 14:17:43,210 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 110 transitions, 436 flow [2024-01-30 14:17:43,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-30 14:17:43,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-30 14:17:43,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 192 transitions. [2024-01-30 14:17:43,212 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4948453608247423 [2024-01-30 14:17:43,212 INFO L175 Difference]: Start difference. First operand has 87 places, 78 transitions, 184 flow. Second operand 4 states and 192 transitions. [2024-01-30 14:17:43,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 110 transitions, 436 flow [2024-01-30 14:17:43,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 110 transitions, 432 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-30 14:17:43,216 INFO L231 Difference]: Finished difference. Result has 90 places, 81 transitions, 217 flow [2024-01-30 14:17:43,216 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=217, PETRI_PLACES=90, PETRI_TRANSITIONS=81} [2024-01-30 14:17:43,217 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, -13 predicate places. [2024-01-30 14:17:43,217 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 81 transitions, 217 flow [2024-01-30 14:17:43,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:17:43,217 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:17:43,217 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-01-30 14:17:43,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-30 14:17:43,218 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 83 more)] === [2024-01-30 14:17:43,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:17:43,218 INFO L85 PathProgramCache]: Analyzing trace with hash -66197692, now seen corresponding path program 1 times [2024-01-30 14:17:43,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:17:43,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518445045] [2024-01-30 14:17:43,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:17:43,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:17:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:17:43,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:17:43,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:17:43,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518445045] [2024-01-30 14:17:43,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518445045] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:17:43,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:17:43,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-30 14:17:43,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237626338] [2024-01-30 14:17:43,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:17:43,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-30 14:17:43,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:17:43,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-30 14:17:43,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-30 14:17:43,323 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 97 [2024-01-30 14:17:43,324 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 81 transitions, 217 flow. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:17:43,324 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:17:43,324 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 97 [2024-01-30 14:17:43,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand