./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d8006e4b Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i ./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/safe025_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-dev-d8006e4-m [2024-02-05 10:28:12,471 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-05 10:28:12,531 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-05 10:28:12,536 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-05 10:28:12,536 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-05 10:28:12,566 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-05 10:28:12,567 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-05 10:28:12,567 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-05 10:28:12,568 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-05 10:28:12,571 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-05 10:28:12,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-05 10:28:12,572 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-05 10:28:12,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-05 10:28:12,573 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-05 10:28:12,574 INFO L153 SettingsManager]: * Use SBE=true [2024-02-05 10:28:12,574 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-05 10:28:12,574 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-05 10:28:12,574 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-05 10:28:12,574 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-05 10:28:12,575 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-05 10:28:12,575 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-05 10:28:12,575 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-05 10:28:12,576 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-05 10:28:12,576 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-05 10:28:12,576 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-05 10:28:12,576 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-05 10:28:12,576 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-05 10:28:12,577 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-05 10:28:12,577 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-05 10:28:12,577 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-05 10:28:12,578 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-05 10:28:12,578 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-05 10:28:12,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:28:12,579 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-05 10:28:12,579 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-05 10:28:12,579 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-05 10:28:12,579 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-05 10:28:12,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-05 10:28:12,580 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-05 10:28:12,580 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-05 10:28:12,580 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-05 10:28:12,581 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-05 10:28:12,581 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-05 10:28:12,581 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-05 10:28:12,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-05 10:28:12,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-05 10:28:12,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-05 10:28:12,851 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-05 10:28:12,851 INFO L274 PluginConnector]: CDTParser initialized [2024-02-05 10:28:12,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-02-05 10:28:13,880 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-05 10:28:14,080 INFO L384 CDTParser]: Found 1 translation units. [2024-02-05 10:28:14,081 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-02-05 10:28:14,096 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb4e7596b/acc3c287bc704b26ae6ac26ce875ff1a/FLAG5b75cacca [2024-02-05 10:28:14,108 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb4e7596b/acc3c287bc704b26ae6ac26ce875ff1a [2024-02-05 10:28:14,110 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-05 10:28:14,110 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-05 10:28:14,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.yml/witness.yml [2024-02-05 10:28:14,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-05 10:28:14,334 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-05 10:28:14,336 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-05 10:28:14,336 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-05 10:28:14,339 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-05 10:28:14,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:28:14" (1/2) ... [2024-02-05 10:28:14,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17e2fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:28:14, skipping insertion in model container [2024-02-05 10:28:14,341 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:28:14" (1/2) ... [2024-02-05 10:28:14,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b7a0d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:28:14, skipping insertion in model container [2024-02-05 10:28:14,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:28:14" (2/2) ... [2024-02-05 10:28:14,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17e2fed and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:28:14, skipping insertion in model container [2024-02-05 10:28:14,343 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:28:14" (2/2) ... [2024-02-05 10:28:14,344 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-05 10:28:14,649 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-05 10:28:14,650 INFO L101 nessWitnessExtractor]: Location invariant before [L744-L744] (unsigned long )arg == 0UL [2024-02-05 10:28:14,650 INFO L101 nessWitnessExtractor]: Location invariant before [L762-L762] (unsigned long )arg == 0UL [2024-02-05 10:28:14,651 INFO L101 nessWitnessExtractor]: Location invariant before [L747-L747] (unsigned long )arg == 0UL [2024-02-05 10:28:14,651 INFO L101 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 <= 2)) && (__unbuffered_p0_EAX <= 127)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-02-05 10:28:14,651 INFO L101 nessWitnessExtractor]: Location invariant before [L756-L756] (unsigned long )arg == 0UL [2024-02-05 10:28:14,651 INFO L101 nessWitnessExtractor]: Location invariant before [L727-L727] (unsigned long )arg == 0UL [2024-02-05 10:28:14,651 INFO L101 nessWitnessExtractor]: Location invariant after [L18-L18] expression == 1 [2024-02-05 10:28:14,651 INFO L101 nessWitnessExtractor]: Location invariant before [L752-L752] (unsigned long )arg == 0UL [2024-02-05 10:28:14,651 INFO L101 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 <= 2)) && (__unbuffered_p0_EAX <= 127)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-02-05 10:28:14,652 INFO L101 nessWitnessExtractor]: Location invariant before [L741-L741] (unsigned long )arg == 0UL [2024-02-05 10:28:14,652 INFO L101 nessWitnessExtractor]: Location invariant before [L764-L764] (unsigned long )arg == 0UL [2024-02-05 10:28:14,652 INFO L101 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 <= 2)) && (__unbuffered_p0_EAX <= 127)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-02-05 10:28:14,652 INFO L101 nessWitnessExtractor]: Location invariant before [L737-L737] (unsigned long )arg == 0UL [2024-02-05 10:28:14,652 INFO L101 nessWitnessExtractor]: Location invariant before [L793-L793] ((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p2_EBX)) && (0 <= y)) && (__unbuffered_p2_EBX <= 1)) && (y <= 1)) && (x == 2)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && ((__unbuffered_p0_EAX == 0 && (__unbuffered_p2_EAX == 2 || (((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 <= 2) && __unbuffered_p0_EAX <= 127) && __unbuffered_p2_EAX <= 2) && __unbuffered_p2_EAX <= 127) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2))) [2024-02-05 10:28:14,652 INFO L101 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 <= 2)) && (__unbuffered_p0_EAX <= 127)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 1)) && (y <= 1)) && (x == 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2) [2024-02-05 10:28:14,653 INFO L101 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 <= 2)) && (__unbuffered_p0_EAX <= 127)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-02-05 10:28:14,653 INFO L101 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 <= 2)) && (__unbuffered_p0_EAX <= 127)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-02-05 10:28:14,653 INFO L101 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 <= 2)) && (__unbuffered_p0_EAX <= 127)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-02-05 10:28:14,653 INFO L101 nessWitnessExtractor]: Location invariant before [L746-L746] ((((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p2_EAX)) && (0 <= __unbuffered_p2_EBX)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EAX <= 127)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 1)) && (y <= 1)) && (x == 2)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2) [2024-02-05 10:28:14,653 INFO L101 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 <= 2)) && (__unbuffered_p0_EAX <= 127)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y == 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 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)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-02-05 10:28:14,653 INFO L101 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 <= 2)) && (__unbuffered_p0_EAX <= 127)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-02-05 10:28:14,654 INFO L101 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 <= 2)) && (__unbuffered_p0_EAX <= 127)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-02-05 10:28:14,654 INFO L101 nessWitnessExtractor]: Location invariant after [L18-L18] expression == 1 [2024-02-05 10:28:14,654 INFO L101 nessWitnessExtractor]: Location invariant before [L18-L18] expression == 0 [2024-02-05 10:28:14,654 INFO L101 nessWitnessExtractor]: Location invariant after [L18-L18] expression == 0 [2024-02-05 10:28:14,654 INFO L101 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 <= 2)) && (__unbuffered_p0_EAX <= 127)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-02-05 10:28:14,654 INFO L101 nessWitnessExtractor]: Location invariant before [L734-L734] (unsigned long )arg == 0UL [2024-02-05 10:28:14,654 INFO L101 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 <= 2)) && (__unbuffered_p0_EAX <= 127)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-02-05 10:28:14,655 INFO L101 nessWitnessExtractor]: Location invariant before [L729-L729] (unsigned long )arg == 0UL [2024-02-05 10:28:14,655 INFO L101 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 <= 2)) && (__unbuffered_p0_EAX <= 127)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-02-05 10:28:14,655 INFO L101 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 <= 2)) && (__unbuffered_p0_EAX <= 127)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-02-05 10:28:14,655 INFO L101 nessWitnessExtractor]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-05 10:28:14,655 INFO L101 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 <= 2)) && (__unbuffered_p0_EAX <= 127)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-02-05 10:28:14,655 INFO L101 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 <= 2)) && (__unbuffered_p0_EAX <= 127)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-02-05 10:28:14,655 INFO L101 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 <= 2)) && (__unbuffered_p0_EAX <= 127)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-02-05 10:28:14,656 INFO L101 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) [2024-02-05 10:28:14,656 INFO L101 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 <= 2)) && (__unbuffered_p0_EAX <= 127)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-02-05 10:28:14,656 INFO L101 nessWitnessExtractor]: Location invariant before [L767-L767] (unsigned long )arg == 0UL [2024-02-05 10:28:14,656 INFO L101 nessWitnessExtractor]: Location invariant before [L732-L732] (unsigned long )arg == 0UL [2024-02-05 10:28:14,656 INFO L101 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 <= 2)) && (__unbuffered_p0_EAX <= 127)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-02-05 10:28:14,656 INFO L101 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 <= 2)) && (__unbuffered_p0_EAX <= 127)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-02-05 10:28:14,656 INFO L101 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 <= 2)) && (__unbuffered_p0_EAX <= 127)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-02-05 10:28:14,657 INFO L101 nessWitnessExtractor]: Location invariant before [L759-L759] (unsigned long )arg == 0UL [2024-02-05 10:28:14,657 INFO L101 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 <= 2)) && (__unbuffered_p0_EAX <= 127)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-02-05 10:28:14,657 INFO L101 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 <= 2)) && (__unbuffered_p0_EAX <= 127)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-02-05 10:28:14,657 INFO L101 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 <= 2)) && (__unbuffered_p0_EAX <= 127)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-02-05 10:28:14,657 INFO L101 nessWitnessExtractor]: Location invariant before [L749-L749] (unsigned long )arg == 0UL [2024-02-05 10:28:14,657 INFO L101 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 <= 2)) && (__unbuffered_p0_EAX <= 127)) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && (__unbuffered_p2_EBX <= 1)) && (x <= 2)) && (x <= 127)) && (y <= 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (y == 0 || y == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)) && ((x == 0 || x == 1) || x == 2) [2024-02-05 10:28:14,658 INFO L101 nessWitnessExtractor]: Location invariant before [L18-L18] expression == 1 [2024-02-05 10:28:14,658 INFO L101 nessWitnessExtractor]: Location invariant before [L724-L724] (unsigned long )arg == 0UL [2024-02-05 10:28:14,684 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-02-05 10:28:14,847 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/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-02-05 10:28:14,968 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:28:14,985 INFO L204 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-05 10:28:15,012 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/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] Start Parsing Local Start Parsing Local [2024-02-05 10:28:15,013 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 [2024-02-05 10:28:15,152 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:28:15,177 INFO L208 MainTranslator]: Completed translation [2024-02-05 10:28:15,177 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:28:15 WrapperNode [2024-02-05 10:28:15,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-05 10:28:15,178 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-05 10:28:15,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-05 10:28:15,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-05 10:28:15,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:28:15" (1/1) ... [2024-02-05 10:28:15,217 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:28:15" (1/1) ... [2024-02-05 10:28:15,255 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2024-02-05 10:28:15,257 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-05 10:28:15,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-05 10:28:15,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-05 10:28:15,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-05 10:28:15,266 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:28:15" (1/1) ... [2024-02-05 10:28:15,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:28:15" (1/1) ... [2024-02-05 10:28:15,270 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:28:15" (1/1) ... [2024-02-05 10:28:15,285 INFO L175 MemorySlicer]: Split 5 memory accesses to 4 slices as follows [2, 1, 1, 1]. 40 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-02-05 10:28:15,285 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:28:15" (1/1) ... [2024-02-05 10:28:15,285 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:28:15" (1/1) ... [2024-02-05 10:28:15,295 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:28:15" (1/1) ... [2024-02-05 10:28:15,296 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:28:15" (1/1) ... [2024-02-05 10:28:15,298 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:28:15" (1/1) ... [2024-02-05 10:28:15,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:28:15" (1/1) ... [2024-02-05 10:28:15,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-05 10:28:15,304 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-05 10:28:15,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-05 10:28:15,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-05 10:28:15,305 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:28:15" (1/1) ... [2024-02-05 10:28:15,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:28:15,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-05 10:28:15,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-05 10:28:15,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-05 10:28:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-05 10:28:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-05 10:28:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-05 10:28:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-05 10:28:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-05 10:28:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-05 10:28:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-05 10:28:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-05 10:28:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-05 10:28:15,372 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-05 10:28:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-05 10:28:15,373 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-05 10:28:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-05 10:28:15,373 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-05 10:28:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-05 10:28:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-05 10:28:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-05 10:28:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-05 10:28:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-05 10:28:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-05 10:28:15,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-05 10:28:15,375 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-05 10:28:15,507 INFO L244 CfgBuilder]: Building ICFG [2024-02-05 10:28:15,509 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-05 10:28:15,992 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-05 10:28:15,992 INFO L293 CfgBuilder]: Performing block encoding [2024-02-05 10:28:16,218 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-05 10:28:16,218 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-05 10:28:16,218 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.02 10:28:16 BoogieIcfgContainer [2024-02-05 10:28:16,218 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-05 10:28:16,220 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-05 10:28:16,220 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-05 10:28:16,222 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-05 10:28:16,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 10:28:14" (1/4) ... [2024-02-05 10:28:16,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62699142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 10:28:16, skipping insertion in model container [2024-02-05 10:28:16,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:28:14" (2/4) ... [2024-02-05 10:28:16,224 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62699142 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 05.02 10:28:16, skipping insertion in model container [2024-02-05 10:28:16,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:28:15" (3/4) ... [2024-02-05 10:28:16,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62699142 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 05.02 10:28:16, skipping insertion in model container [2024-02-05 10:28:16,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.02 10:28:16" (4/4) ... [2024-02-05 10:28:16,226 INFO L112 eAbstractionObserver]: Analyzing ICFG safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-02-05 10:28:16,239 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-05 10:28:16,240 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2024-02-05 10:28:16,240 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-05 10:28:16,345 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-05 10:28:16,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 111 places, 102 transitions, 216 flow [2024-02-05 10:28:16,456 INFO L124 PetriNetUnfolderBase]: 1/99 cut-off events. [2024-02-05 10:28:16,456 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-05 10:28:16,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 99 events. 1/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 411 event pairs, 0 based on Foata normal form. 0/50 useless extension candidates. Maximal degree in co-relation 99. Up to 2 conditions per place. [2024-02-05 10:28:16,464 INFO L82 GeneralOperation]: Start removeDead. Operand has 111 places, 102 transitions, 216 flow [2024-02-05 10:28:16,469 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 108 places, 99 transitions, 207 flow [2024-02-05 10:28:16,478 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-05 10:28:16,484 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;@4bab6cf9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-05 10:28:16,484 INFO L358 AbstractCegarLoop]: Starting to check reachability of 89 error locations. [2024-02-05 10:28:16,486 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-05 10:28:16,487 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-05 10:28:16,487 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-05 10:28:16,487 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:28:16,488 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-05 10:28:16,488 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 86 more)] === [2024-02-05 10:28:16,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:28:16,534 INFO L85 PathProgramCache]: Analyzing trace with hash 12956, now seen corresponding path program 1 times [2024-02-05 10:28:16,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:28:16,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268414353] [2024-02-05 10:28:16,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:28:16,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:28:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:28:16,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:28:16,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:28:16,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268414353] [2024-02-05 10:28:16,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268414353] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:28:16,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:28:16,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-05 10:28:16,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065845627] [2024-02-05 10:28:16,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:28:16,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-05 10:28:16,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:28:16,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-05 10:28:16,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-05 10:28:16,960 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 102 [2024-02-05 10:28:16,963 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 99 transitions, 207 flow. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:28:16,963 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:28:16,963 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 102 [2024-02-05 10:28:16,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:28:24,392 INFO L124 PetriNetUnfolderBase]: 34351/58838 cut-off events. [2024-02-05 10:28:24,393 INFO L125 PetriNetUnfolderBase]: For 126/126 co-relation queries the response was YES. [2024-02-05 10:28:24,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106670 conditions, 58838 events. 34351/58838 cut-off events. For 126/126 co-relation queries the response was YES. Maximal size of possible extension queue 2745. Compared 584769 event pairs, 19743 based on Foata normal form. 964/36176 useless extension candidates. Maximal degree in co-relation 106657. Up to 47293 conditions per place. [2024-02-05 10:28:24,796 INFO L140 encePairwiseOnDemand]: 83/102 looper letters, 60 selfloop transitions, 4 changer transitions 0/104 dead transitions. [2024-02-05 10:28:24,797 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 104 transitions, 351 flow [2024-02-05 10:28:24,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:28:24,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:28:24,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 214 transitions. [2024-02-05 10:28:24,810 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6993464052287581 [2024-02-05 10:28:24,811 INFO L175 Difference]: Start difference. First operand has 108 places, 99 transitions, 207 flow. Second operand 3 states and 214 transitions. [2024-02-05 10:28:24,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 104 transitions, 351 flow [2024-02-05 10:28:24,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 104 transitions, 346 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-02-05 10:28:24,824 INFO L231 Difference]: Finished difference. Result has 96 places, 89 transitions, 206 flow [2024-02-05 10:28:24,825 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=96, PETRI_TRANSITIONS=89} [2024-02-05 10:28:24,828 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -12 predicate places. [2024-02-05 10:28:24,828 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 89 transitions, 206 flow [2024-02-05 10:28:24,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:28:24,829 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:28:24,829 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-05 10:28:24,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-05 10:28:24,829 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 86 more)] === [2024-02-05 10:28:24,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:28:24,831 INFO L85 PathProgramCache]: Analyzing trace with hash 386505089, now seen corresponding path program 1 times [2024-02-05 10:28:24,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:28:24,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195192028] [2024-02-05 10:28:24,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:28:24,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:28:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:28:24,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:28:24,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:28:24,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195192028] [2024-02-05 10:28:24,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195192028] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:28:24,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:28:24,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-05 10:28:24,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970885278] [2024-02-05 10:28:24,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:28:24,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-05 10:28:24,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:28:24,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-05 10:28:24,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-05 10:28:24,963 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 102 [2024-02-05 10:28:24,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 89 transitions, 206 flow. Second operand has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:28:24,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:28:24,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 102 [2024-02-05 10:28:24,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:28:31,721 INFO L124 PetriNetUnfolderBase]: 36987/62287 cut-off events. [2024-02-05 10:28:31,721 INFO L125 PetriNetUnfolderBase]: For 4834/4834 co-relation queries the response was YES. [2024-02-05 10:28:31,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120065 conditions, 62287 events. 36987/62287 cut-off events. For 4834/4834 co-relation queries the response was YES. Maximal size of possible extension queue 2849. Compared 608716 event pairs, 20537 based on Foata normal form. 5482/48229 useless extension candidates. Maximal degree in co-relation 120052. Up to 48552 conditions per place. [2024-02-05 10:28:32,111 INFO L140 encePairwiseOnDemand]: 94/102 looper letters, 82 selfloop transitions, 2 changer transitions 0/117 dead transitions. [2024-02-05 10:28:32,112 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 117 transitions, 448 flow [2024-02-05 10:28:32,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-05 10:28:32,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-05 10:28:32,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 233 transitions. [2024-02-05 10:28:32,118 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.571078431372549 [2024-02-05 10:28:32,118 INFO L175 Difference]: Start difference. First operand has 96 places, 89 transitions, 206 flow. Second operand 4 states and 233 transitions. [2024-02-05 10:28:32,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 117 transitions, 448 flow [2024-02-05 10:28:32,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 117 transitions, 442 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-05 10:28:32,122 INFO L231 Difference]: Finished difference. Result has 92 places, 83 transitions, 194 flow [2024-02-05 10:28:32,122 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=194, PETRI_PLACES=92, PETRI_TRANSITIONS=83} [2024-02-05 10:28:32,123 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -16 predicate places. [2024-02-05 10:28:32,123 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 83 transitions, 194 flow [2024-02-05 10:28:32,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:28:32,124 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:28:32,124 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-05 10:28:32,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-05 10:28:32,124 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 86 more)] === [2024-02-05 10:28:32,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:28:32,127 INFO L85 PathProgramCache]: Analyzing trace with hash -903243659, now seen corresponding path program 1 times [2024-02-05 10:28:32,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:28:32,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643079144] [2024-02-05 10:28:32,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:28:32,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:28:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:28:32,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:28:32,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:28:32,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643079144] [2024-02-05 10:28:32,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643079144] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:28:32,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:28:32,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-05 10:28:32,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800216585] [2024-02-05 10:28:32,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:28:32,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-02-05 10:28:32,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:28:32,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-02-05 10:28:32,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-02-05 10:28:32,419 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 102 [2024-02-05 10:28:32,427 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 83 transitions, 194 flow. Second operand has 5 states, 5 states have (on average 32.2) internal successors, (161), 5 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:28:32,427 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:28:32,427 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 102 [2024-02-05 10:28:32,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:28:41,610 INFO L124 PetriNetUnfolderBase]: 51565/85495 cut-off events. [2024-02-05 10:28:41,610 INFO L125 PetriNetUnfolderBase]: For 7728/7733 co-relation queries the response was YES. [2024-02-05 10:28:41,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 166194 conditions, 85495 events. 51565/85495 cut-off events. For 7728/7733 co-relation queries the response was YES. Maximal size of possible extension queue 3759. Compared 839339 event pairs, 29807 based on Foata normal form. 57/60644 useless extension candidates. Maximal degree in co-relation 166180. Up to 70769 conditions per place. [2024-02-05 10:28:42,170 INFO L140 encePairwiseOnDemand]: 96/102 looper letters, 80 selfloop transitions, 7 changer transitions 0/115 dead transitions. [2024-02-05 10:28:42,171 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 115 transitions, 446 flow [2024-02-05 10:28:42,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-05 10:28:42,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-05 10:28:42,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 212 transitions. [2024-02-05 10:28:42,181 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5196078431372549 [2024-02-05 10:28:42,181 INFO L175 Difference]: Start difference. First operand has 92 places, 83 transitions, 194 flow. Second operand 4 states and 212 transitions. [2024-02-05 10:28:42,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 115 transitions, 446 flow [2024-02-05 10:28:42,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 115 transitions, 442 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-05 10:28:42,184 INFO L231 Difference]: Finished difference. Result has 95 places, 86 transitions, 227 flow [2024-02-05 10:28:42,185 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=227, PETRI_PLACES=95, PETRI_TRANSITIONS=86} [2024-02-05 10:28:42,185 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -13 predicate places. [2024-02-05 10:28:42,185 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 86 transitions, 227 flow [2024-02-05 10:28:42,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 5 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:28:42,186 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:28:42,186 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-05 10:28:42,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-05 10:28:42,186 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 86 more)] === [2024-02-05 10:28:42,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:28:42,187 INFO L85 PathProgramCache]: Analyzing trace with hash 2063127123, now seen corresponding path program 1 times [2024-02-05 10:28:42,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:28:42,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223410560] [2024-02-05 10:28:42,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:28:42,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:28:42,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:28:42,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:28:42,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:28:42,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223410560] [2024-02-05 10:28:42,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223410560] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:28:42,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:28:42,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-05 10:28:42,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459442980] [2024-02-05 10:28:42,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:28:42,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-05 10:28:42,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:28:42,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-05 10:28:42,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-05 10:28:42,298 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 38 out of 102 [2024-02-05 10:28:42,299 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 86 transitions, 227 flow. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:28:42,299 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:28:42,299 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 38 of 102 [2024-02-05 10:28:42,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand