./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.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/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fced0e87 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/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.extract-columns-fced0e8-m [2024-01-31 16:03:28,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-31 16:03:28,233 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-31 16:03:28,239 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-31 16:03:28,239 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-31 16:03:28,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-31 16:03:28,269 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-31 16:03:28,269 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-31 16:03:28,270 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-31 16:03:28,274 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-31 16:03:28,274 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-31 16:03:28,274 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-31 16:03:28,275 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-31 16:03:28,276 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-31 16:03:28,276 INFO L153 SettingsManager]: * Use SBE=true [2024-01-31 16:03:28,277 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-31 16:03:28,277 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-31 16:03:28,278 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-31 16:03:28,278 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-31 16:03:28,278 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-31 16:03:28,279 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-31 16:03:28,280 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-31 16:03:28,280 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-31 16:03:28,280 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-31 16:03:28,280 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-31 16:03:28,281 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-31 16:03:28,281 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-31 16:03:28,281 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-31 16:03:28,282 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-31 16:03:28,282 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-31 16:03:28,283 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-31 16:03:28,283 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-31 16:03:28,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:03:28,284 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-31 16:03:28,284 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-31 16:03:28,284 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-31 16:03:28,284 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-31 16:03:28,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-31 16:03:28,285 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-31 16:03:28,285 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-31 16:03:28,285 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-31 16:03:28,285 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-31 16:03:28,285 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-31 16:03:28,286 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-31 16:03:28,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-31 16:03:28,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-31 16:03:28,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-31 16:03:28,551 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-31 16:03:28,552 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-31 16:03:28,553 INFO L431 ainManager$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/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.yml/witness.yml [2024-01-31 16:03:28,851 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-31 16:03:28,851 INFO L274 PluginConnector]: CDTParser initialized [2024-01-31 16:03:28,853 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-01-31 16:03:30,409 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-31 16:03:30,696 INFO L384 CDTParser]: Found 1 translation units. [2024-01-31 16:03:30,696 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-01-31 16:03:30,724 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b1de4729/9f98310ad086413eb9d05f262ee03e61/FLAG8efbb8cdb [2024-01-31 16:03:30,741 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b1de4729/9f98310ad086413eb9d05f262ee03e61 [2024-01-31 16:03:30,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-31 16:03:30,743 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-31 16:03:30,746 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-31 16:03:30,746 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-31 16:03:30,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-31 16:03:30,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:03:28" (1/2) ... [2024-01-31 16:03:30,752 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f284c34 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:03:30, skipping insertion in model container [2024-01-31 16:03:30,753 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:03:28" (1/2) ... [2024-01-31 16:03:30,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ddfb740 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:03:30, skipping insertion in model container [2024-01-31 16:03:30,754 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:03:30" (2/2) ... [2024-01-31 16:03:30,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f284c34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:03:30, skipping insertion in model container [2024-01-31 16:03:30,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:03:30" (2/2) ... [2024-01-31 16:03:30,755 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-31 16:03:31,391 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-31 16:03:31,392 INFO L98 nessWitnessExtractor]: Location invariant before [L744-L744] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 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)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:31,392 INFO L98 nessWitnessExtractor]: Location invariant before [L768-L768] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 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)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:31,392 INFO L98 nessWitnessExtractor]: Location invariant before [L728-L728] (unsigned long )arg == 0UL [2024-01-31 16:03:31,393 INFO L98 nessWitnessExtractor]: Location invariant before [L789-L789] (((((((__unbuffered_cnt == 0) && (__unbuffered_p0_EAX == 0)) && (__unbuffered_p0_EBX == 0)) && (__unbuffered_p2_EAX == 0)) && (main$tmp_guard0 == (_Bool)0)) && (main$tmp_guard1 == (_Bool)0)) && (x == 0)) && (y == 0) [2024-01-31 16:03:31,393 INFO L98 nessWitnessExtractor]: Location invariant before [L769-L769] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y == 2)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 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)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2) [2024-01-31 16:03:31,393 INFO L98 nessWitnessExtractor]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-01-31 16:03:31,393 INFO L98 nessWitnessExtractor]: Location invariant before [L742-L742] (((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (y <= 2)) && (y <= 127)) && (x == 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 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)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:31,393 INFO L98 nessWitnessExtractor]: Location invariant before [L740-L740] (unsigned long )arg == 0UL [2024-01-31 16:03:31,393 INFO L98 nessWitnessExtractor]: Location invariant before [L736-L736] (unsigned long )arg == 0UL [2024-01-31 16:03:31,394 INFO L98 nessWitnessExtractor]: Location invariant before [L763-L763] (unsigned long )arg == 0UL [2024-01-31 16:03:31,394 INFO L98 nessWitnessExtractor]: Location invariant before [L747-L747] (((((((((((((((((((0 <= __unbuffered_p0_EAX) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 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)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:31,394 INFO L98 nessWitnessExtractor]: Location invariant before [L798-L798] ((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 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)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:31,394 INFO L98 nessWitnessExtractor]: Location invariant before [L804-L804] ((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 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)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:31,394 INFO L98 nessWitnessExtractor]: Location invariant before [L727-L727] ((((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EAX <= 127)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 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)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:31,394 INFO L98 nessWitnessExtractor]: Location invariant before [L797-L797] ((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 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)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:31,395 INFO L98 nessWitnessExtractor]: Location invariant before [L758-L758] (unsigned long )arg == 0UL [2024-01-31 16:03:31,395 INFO L98 nessWitnessExtractor]: Location invariant before [L748-L748] (unsigned long )arg == 0UL [2024-01-31 16:03:31,395 INFO L98 nessWitnessExtractor]: Location invariant before [L733-L733] (unsigned long )arg == 0UL [2024-01-31 16:03:31,395 INFO L98 nessWitnessExtractor]: Location invariant before [L725-L725] (unsigned long )arg == 0UL [2024-01-31 16:03:31,395 INFO L98 nessWitnessExtractor]: Location invariant before [L762-L762] (((((((((((((((((((0 <= __unbuffered_p0_EAX) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 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)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:31,395 INFO L98 nessWitnessExtractor]: Location invariant before [L734-L734] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 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)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:31,396 INFO L98 nessWitnessExtractor]: Location invariant before [L753-L753] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 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)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:31,396 INFO L98 nessWitnessExtractor]: Location invariant before [L745-L745] (unsigned long )arg == 0UL [2024-01-31 16:03:31,396 INFO L98 nessWitnessExtractor]: Location invariant before [L731-L731] (unsigned long )arg == 0UL [2024-01-31 16:03:31,396 INFO L98 nessWitnessExtractor]: Location invariant before [L770-L770] (unsigned long )arg == 0UL [2024-01-31 16:03:31,396 INFO L98 nessWitnessExtractor]: Location invariant before [L757-L757] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y == 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 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)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2) [2024-01-31 16:03:31,396 INFO L98 nessWitnessExtractor]: Location invariant before [L741-L741] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 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)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:31,397 INFO L98 nessWitnessExtractor]: Location invariant before [L729-L729] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 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)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:31,397 INFO L98 nessWitnessExtractor]: Location invariant before [L773-L773] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 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)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:31,397 INFO L98 nessWitnessExtractor]: Location invariant before [L803-L803] ((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y == 2)) && (__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)) && ((__unbuffered_p0_EAX == 2 && (__unbuffered_p0_EBX == 0 || ((0 <= __unbuffered_p0_EBX && __unbuffered_p0_EBX <= 1) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)))) || (((((0 <= __unbuffered_p0_EAX && 0 <= __unbuffered_p0_EBX) && __unbuffered_p0_EAX <= 2) && __unbuffered_p0_EBX <= 1) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2))) [2024-01-31 16:03:31,397 INFO L98 nessWitnessExtractor]: Location invariant before [L746-L746] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 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)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:31,397 INFO L98 nessWitnessExtractor]: Location invariant before [L771-L771] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 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)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:31,398 INFO L98 nessWitnessExtractor]: Location invariant before [L801-L801] ((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 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)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:31,398 INFO L98 nessWitnessExtractor]: Location invariant before [L18-L18] expression == 0 [2024-01-31 16:03:31,398 INFO L98 nessWitnessExtractor]: Location invariant before [L756-L756] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 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)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:31,398 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L18] expression == 1 [2024-01-31 16:03:31,398 INFO L98 nessWitnessExtractor]: Location invariant before [L743-L743] (unsigned long )arg == 0UL [2024-01-31 16:03:31,398 INFO L98 nessWitnessExtractor]: Location invariant before [L730-L730] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 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)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:31,399 INFO L98 nessWitnessExtractor]: Location invariant before [L754-L754] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 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)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:31,399 INFO L98 nessWitnessExtractor]: Location invariant before [L735-L735] (((((((((((((((((((0 <= __unbuffered_p0_EAX) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 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)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:31,399 INFO L98 nessWitnessExtractor]: Location invariant before [L761-L761] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 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)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:31,399 INFO L98 nessWitnessExtractor]: Location invariant before [L767-L767] (unsigned long )arg == 0UL [2024-01-31 16:03:31,399 INFO L98 nessWitnessExtractor]: Location invariant before [L732-L732] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 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)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:31,399 INFO L98 nessWitnessExtractor]: Location invariant before [L774-L774] (((((((((((((((((((0 <= __unbuffered_p0_EAX) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 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)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:31,400 INFO L98 nessWitnessExtractor]: Location invariant before [L775-L775] (unsigned long )arg == 0UL [2024-01-31 16:03:31,400 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L18] expression == 1 [2024-01-31 16:03:31,400 INFO L98 nessWitnessExtractor]: Location invariant before [L755-L755] (unsigned long )arg == 0UL [2024-01-31 16:03:31,400 INFO L98 nessWitnessExtractor]: Location invariant before [L18-L18] expression == 1 [2024-01-31 16:03:31,400 INFO L98 nessWitnessExtractor]: Location invariant before [L759-L759] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 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)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:31,400 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L18] expression == 0 [2024-01-31 16:03:31,401 INFO L98 nessWitnessExtractor]: Location invariant before [L726-L726] (((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p0_EBX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p2_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 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)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-01-31 16:03:31,401 INFO L98 nessWitnessExtractor]: Location invariant before [L772-L772] (unsigned long )arg == 0UL [2024-01-31 16:03:31,401 INFO L98 nessWitnessExtractor]: Location invariant before [L760-L760] (unsigned long )arg == 0UL [2024-01-31 16:03:31,401 INFO L98 nessWitnessExtractor]: Location invariant before [L752-L752] (unsigned long )arg == 0UL [2024-01-31 16:03:31,436 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-01-31 16:03:31,621 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/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-01-31 16:03:31,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:03:31,816 INFO L204 MainTranslator]: Completed pre-run Start Parsing Local [2024-01-31 16:03:31,853 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/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] Start Parsing Local Start Parsing Local [2024-01-31 16:03:31,854 WARN L424 MainDispatcher]: Unable to annotate ; with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-31 16:03:31,996 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:03:32,037 INFO L208 MainTranslator]: Completed translation [2024-01-31 16:03:32,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:03:32 WrapperNode [2024-01-31 16:03:32,038 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-31 16:03:32,040 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-31 16:03:32,040 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-31 16:03:32,040 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-31 16:03:32,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:03:32" (1/1) ... [2024-01-31 16:03:32,085 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:03:32" (1/1) ... [2024-01-31 16:03:32,115 INFO L138 Inliner]: procedures = 177, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 90 [2024-01-31 16:03:32,120 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-31 16:03:32,121 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-31 16:03:32,121 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-31 16:03:32,121 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-31 16:03:32,133 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:03:32" (1/1) ... [2024-01-31 16:03:32,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:03:32" (1/1) ... [2024-01-31 16:03:32,148 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:03:32" (1/1) ... [2024-01-31 16:03:32,169 INFO L175 MemorySlicer]: Split 6 memory accesses to 5 slices as follows [2, 1, 1, 1, 1]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1]. [2024-01-31 16:03:32,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:03:32" (1/1) ... [2024-01-31 16:03:32,170 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:03:32" (1/1) ... [2024-01-31 16:03:32,184 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:03:32" (1/1) ... [2024-01-31 16:03:32,186 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:03:32" (1/1) ... [2024-01-31 16:03:32,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:03:32" (1/1) ... [2024-01-31 16:03:32,191 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:03:32" (1/1) ... [2024-01-31 16:03:32,196 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-31 16:03:32,197 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-31 16:03:32,197 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-31 16:03:32,197 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-31 16:03:32,198 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:03:32" (1/1) ... [2024-01-31 16:03:32,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:03:32,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-31 16:03:32,234 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) [2024-01-31 16:03:32,247 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 [2024-01-31 16:03:32,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-31 16:03:32,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-31 16:03:32,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-31 16:03:32,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-31 16:03:32,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-31 16:03:32,281 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-31 16:03:32,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-31 16:03:32,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-31 16:03:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-31 16:03:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-01-31 16:03:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-01-31 16:03:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-01-31 16:03:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-01-31 16:03:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-01-31 16:03:32,283 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-01-31 16:03:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-01-31 16:03:32,283 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-01-31 16:03:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-31 16:03:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-31 16:03:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-31 16:03:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-31 16:03:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-31 16:03:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-31 16:03:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-31 16:03:32,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-31 16:03:32,286 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-31 16:03:32,441 INFO L244 CfgBuilder]: Building ICFG [2024-01-31 16:03:32,443 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-31 16:03:33,168 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-31 16:03:33,168 INFO L293 CfgBuilder]: Performing block encoding [2024-01-31 16:03:33,430 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-31 16:03:33,430 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-31 16:03:33,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:03:33 BoogieIcfgContainer [2024-01-31 16:03:33,432 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-31 16:03:33,435 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-31 16:03:33,435 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-31 16:03:33,438 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-31 16:03:33,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:03:28" (1/4) ... [2024-01-31 16:03:33,439 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a6026b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 31.01 04:03:33, skipping insertion in model container [2024-01-31 16:03:33,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:03:30" (2/4) ... [2024-01-31 16:03:33,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a6026b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:03:33, skipping insertion in model container [2024-01-31 16:03:33,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:03:32" (3/4) ... [2024-01-31 16:03:33,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a6026b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:03:33, skipping insertion in model container [2024-01-31 16:03:33,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:03:33" (4/4) ... [2024-01-31 16:03:33,443 INFO L112 eAbstractionObserver]: Analyzing ICFG safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-01-31 16:03:33,499 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-31 16:03:33,499 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 52 error locations. [2024-01-31 16:03:33,499 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-31 16:03:33,642 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-31 16:03:33,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 125 places, 113 transitions, 242 flow [2024-01-31 16:03:33,744 INFO L124 PetriNetUnfolderBase]: 1/109 cut-off events. [2024-01-31 16:03:33,745 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:03:33,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 109 events. 1/109 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 466 event pairs, 0 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 111. Up to 2 conditions per place. [2024-01-31 16:03:33,754 INFO L82 GeneralOperation]: Start removeDead. Operand has 125 places, 113 transitions, 242 flow [2024-01-31 16:03:33,759 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 121 places, 109 transitions, 230 flow [2024-01-31 16:03:33,775 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-31 16:03:33,783 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;@69b6703, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-31 16:03:33,783 INFO L358 AbstractCegarLoop]: Starting to check reachability of 98 error locations. [2024-01-31 16:03:33,785 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-31 16:03:33,786 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-31 16:03:33,786 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:03:33,786 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:03:33,787 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-31 16:03:33,787 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 95 more)] === [2024-01-31 16:03:33,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:03:33,793 INFO L85 PathProgramCache]: Analyzing trace with hash 13564, now seen corresponding path program 1 times [2024-01-31 16:03:33,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:03:33,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831986265] [2024-01-31 16:03:33,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:03:33,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:03:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:03:34,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:03:34,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:03:34,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831986265] [2024-01-31 16:03:34,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831986265] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:03:34,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:03:34,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-31 16:03:34,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276546945] [2024-01-31 16:03:34,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:03:34,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:03:34,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:03:34,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:03:34,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:03:34,210 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 113 [2024-01-31 16:03:34,213 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 109 transitions, 230 flow. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 16:03:34,213 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:03:34,213 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 113 [2024-01-31 16:03:34,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand