./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix040_tso.oepc.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix040_tso.oepc.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7c74aec 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/mix040_tso.oepc.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix040_tso.oepc.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.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:27:38,531 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:27:38,628 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:27:38,634 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:27:38,634 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:27:38,660 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:27:38,662 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:27:38,662 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:27:38,663 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:27:38,667 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:27:38,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:27:38,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:27:38,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:27:38,669 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:27:38,669 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:27:38,670 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:27:38,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:27:38,670 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:27:38,671 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:27:38,671 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:27:38,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:27:38,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:27:38,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:27:38,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:27:38,672 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:27:38,673 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:27:38,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:27:38,673 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:27:38,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:27:38,674 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:27:38,675 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:27:38,676 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:27:38,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:27:38,676 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:27:38,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:27:38,677 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:27:38,677 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:27:38,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:27:38,677 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:27:38,678 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:27:38,678 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:27:38,678 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:27:38,678 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:27:38,679 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:27:38,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:27:38,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:27:38,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:27:38,940 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:27:38,940 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:27:38,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix040_tso.oepc.i [2024-02-07 19:27:40,124 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:27:40,419 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:27:40,425 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix040_tso.oepc.i [2024-02-07 19:27:40,439 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fda8f01c0/35a07fa0651f46f5b28f00d0af91f7c8/FLAG3477557b0 [2024-02-07 19:27:40,452 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fda8f01c0/35a07fa0651f46f5b28f00d0af91f7c8 [2024-02-07 19:27:40,454 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:27:40,455 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:27:40,455 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix040_tso.oepc.yml/witness.yml [2024-02-07 19:27:40,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:27:40,600 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:27:40,601 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:27:40,601 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:27:40,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:27:40,607 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:27:40" (1/2) ... [2024-02-07 19:27:40,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f8509ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:27:40, skipping insertion in model container [2024-02-07 19:27:40,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:27:40" (1/2) ... [2024-02-07 19:27:40,611 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@79ff9dff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:27:40, skipping insertion in model container [2024-02-07 19:27:40,611 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:27:40" (2/2) ... [2024-02-07 19:27:40,611 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f8509ac and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:40, skipping insertion in model container [2024-02-07 19:27:40,612 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:27:40" (2/2) ... [2024-02-07 19:27:40,612 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:27:40,855 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:27:40,856 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] 0 <= __unbuffered_cnt [2024-02-07 19:27:40,857 INFO L76 edCorrectnessWitness]: Location invariant before [L810-L810] 0 <= __unbuffered_cnt [2024-02-07 19:27:40,857 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] (y$r_buff1_thd2 == (_Bool)0 && y$w_buff1_used == (_Bool)1) || (y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:40,857 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] (y$r_buff1_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:40,857 INFO L76 edCorrectnessWitness]: Location invariant before [L869-L869] y$r_buff1_thd0 == (_Bool)0 [2024-02-07 19:27:40,858 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] y$r_buff1_thd4 == (_Bool)0 [2024-02-07 19:27:40,858 INFO L76 edCorrectnessWitness]: Location invariant before [L861-L861] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:27:40,858 INFO L76 edCorrectnessWitness]: Location invariant before [L877-L877] ((((y$r_buff1_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd0 == (_Bool)0) || (((y$r_buff0_thd0 == (_Bool)0 && y$r_buff1_thd0 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:40,859 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] (y$w_buff1_used == (_Bool)1 && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1)) [2024-02-07 19:27:40,859 INFO L76 edCorrectnessWitness]: Location invariant before [L832-L832] (y$r_buff0_thd4 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:40,859 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] ((((0 <= y$w_buff1) && (y$w_buff1 <= 2)) && (y$w_buff1 <= 127)) && (y$w_buff1 % 2 == 0)) && (y$w_buff1 == 0 || y$w_buff1 == 2) [2024-02-07 19:27:40,859 INFO L76 edCorrectnessWitness]: Location invariant before [L881-L881] ((((y$r_buff1_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd0 == (_Bool)0) || (((y$r_buff0_thd0 == (_Bool)0 && y$r_buff1_thd0 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:40,859 INFO L76 edCorrectnessWitness]: Location invariant before [L833-L833] (y$r_buff1_thd4 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd4 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:40,859 INFO L76 edCorrectnessWitness]: Location invariant before [L824-L824] ((0 <= __unbuffered_p3_EAX) && (__unbuffered_p3_EAX <= 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) [2024-02-07 19:27:40,860 INFO L76 edCorrectnessWitness]: Location invariant before [L872-L872] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:27:40,860 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] (y$r_buff0_thd4 == (_Bool)0) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1) [2024-02-07 19:27:40,860 INFO L76 edCorrectnessWitness]: Location invariant before [L860-L860] 0 <= __unbuffered_cnt [2024-02-07 19:27:40,860 INFO L76 edCorrectnessWitness]: Location invariant before [L868-L868] (y$r_buff1_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:40,860 INFO L76 edCorrectnessWitness]: Location invariant before [L866-L866] (y$r_buff1_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:40,861 INFO L76 edCorrectnessWitness]: Location invariant before [L778-L778] y$r_buff1_thd2 == (_Bool)0 [2024-02-07 19:27:40,861 INFO L76 edCorrectnessWitness]: Location invariant before [L808-L808] y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1 [2024-02-07 19:27:40,861 INFO L76 edCorrectnessWitness]: Location invariant before [L761-L761] 1 <= __unbuffered_cnt [2024-02-07 19:27:40,862 INFO L76 edCorrectnessWitness]: Location invariant before [L874-L874] ((((0 <= y) && (y <= 2)) && (y <= 127)) && (y$flush_delayed == (_Bool)0 || y$flush_delayed == (_Bool)1)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 19:27:40,862 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] ((0 <= __unbuffered_p2_EAX) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) [2024-02-07 19:27:40,862 INFO L76 edCorrectnessWitness]: Location invariant before [L884-L884] (((0 <= y) && (y <= 2)) && (y <= 127)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 19:27:40,862 INFO L76 edCorrectnessWitness]: Location invariant before [L768-L768] x == 2 [2024-02-07 19:27:40,862 INFO L76 edCorrectnessWitness]: Location invariant before [L879-L879] ((((y$r_buff1_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd0 == (_Bool)0) || (((y$r_buff0_thd0 == (_Bool)0 && y$r_buff1_thd0 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:40,862 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 19:27:40,862 INFO L76 edCorrectnessWitness]: Location invariant before [L829-L829] (y$r_buff1_thd4 == (_Bool)0 && y$w_buff1_used == (_Bool)1) || (y$r_buff0_thd4 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:40,863 INFO L76 edCorrectnessWitness]: Location invariant before [L831-L831] (y$r_buff1_thd4 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd4 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:40,863 INFO L76 edCorrectnessWitness]: Location invariant before [L876-L876] ((((y$r_buff1_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd0 == (_Bool)0) || (((y$r_buff0_thd0 == (_Bool)0 && y$r_buff1_thd0 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:40,863 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] (y$r_buff0_thd1 == (_Bool)0) && (y$r_buff1_thd0 == (_Bool)0) [2024-02-07 19:27:40,863 INFO L76 edCorrectnessWitness]: Location invariant before [L789-L789] (y$w_buff0 == 2) && (y$w_buff0_used == (_Bool)0 || y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:40,863 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] z == 1 [2024-02-07 19:27:40,863 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] (y$r_buff0_thd2 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:40,864 INFO L76 edCorrectnessWitness]: Location invariant before [L830-L830] (y$r_buff0_thd4 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:40,864 INFO L76 edCorrectnessWitness]: Location invariant before [L800-L800] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 19:27:40,864 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] (y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)1) [2024-02-07 19:27:40,865 INFO L76 edCorrectnessWitness]: Location invariant before [L823-L823] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 19:27:40,865 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] 1 <= __unbuffered_cnt [2024-02-07 19:27:40,865 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1 [2024-02-07 19:27:40,865 INFO L76 edCorrectnessWitness]: Location invariant before [L885-L885] y$flush_delayed == (_Bool)0 [2024-02-07 19:27:40,865 INFO L76 edCorrectnessWitness]: Location invariant before [L771-L771] y == 1 [2024-02-07 19:27:40,865 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] (y$r_buff0_thd2 == (_Bool)0) && (y$r_buff1_thd1 == (_Bool)0) [2024-02-07 19:27:40,866 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] y$r_buff1_thd4 == (_Bool)0 [2024-02-07 19:27:40,866 INFO L76 edCorrectnessWitness]: Location invariant before [L805-L805] (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1) && (((y$w_buff1_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1)) || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1))) [2024-02-07 19:27:40,866 INFO L76 edCorrectnessWitness]: Location invariant before [L807-L807] (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1) && (((y$w_buff1_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1)) || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1))) [2024-02-07 19:27:40,867 INFO L76 edCorrectnessWitness]: Location invariant before [L760-L760] 0 <= __unbuffered_cnt [2024-02-07 19:27:40,867 INFO L76 edCorrectnessWitness]: Location invariant before [L880-L880] ((((y$r_buff1_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd0 == (_Bool)0) || (((y$r_buff0_thd0 == (_Bool)0 && y$r_buff1_thd0 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:40,867 INFO L76 edCorrectnessWitness]: Location invariant before [L867-L867] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:40,867 INFO L76 edCorrectnessWitness]: Location invariant before [L781-L781] 1 <= __unbuffered_cnt [2024-02-07 19:27:40,867 INFO L76 edCorrectnessWitness]: Location invariant before [L865-L865] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:40,868 INFO L76 edCorrectnessWitness]: Location invariant before [L780-L780] 0 <= __unbuffered_cnt [2024-02-07 19:27:40,868 INFO L76 edCorrectnessWitness]: Location invariant before [L753-L753] b == 1 [2024-02-07 19:27:40,868 INFO L76 edCorrectnessWitness]: Location invariant before [L827-L827] ((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1) [2024-02-07 19:27:40,868 INFO L76 edCorrectnessWitness]: Location invariant before [L787-L787] ((((0 <= y$w_buff0) && (y$w_buff0 <= 2)) && (y$w_buff0 <= 127)) && (y$w_buff0 % 2 == 0)) && (y$w_buff0 == 0 || y$w_buff0 == 2) [2024-02-07 19:27:40,868 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] y$r_buff0_thd3 == (_Bool)1 [2024-02-07 19:27:40,869 INFO L76 edCorrectnessWitness]: Location invariant before [L862-L862] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:27:40,869 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] (y$r_buff1_thd2 == (_Bool)0) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 19:27:40,869 INFO L76 edCorrectnessWitness]: Location invariant before [L878-L878] ((((y$r_buff1_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd0 == (_Bool)0) || (((y$r_buff0_thd0 == (_Bool)0 && y$r_buff1_thd0 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:40,869 INFO L76 edCorrectnessWitness]: Location invariant before [L873-L873] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:27:40,869 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] (y$r_buff1_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:40,870 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] (y$r_buff0_thd2 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:40,870 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] y$r_buff0_thd0 == (_Bool)0 [2024-02-07 19:27:40,870 INFO L76 edCorrectnessWitness]: Location invariant before [L864-L864] (y$r_buff1_thd0 == (_Bool)0 && y$w_buff1_used == (_Bool)1) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:40,870 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 19:27:40,870 INFO L76 edCorrectnessWitness]: Location invariant before [L756-L756] x == 1 [2024-02-07 19:27:40,870 INFO L76 edCorrectnessWitness]: Location invariant before [L811-L811] 1 <= __unbuffered_cnt [2024-02-07 19:27:40,871 INFO L76 edCorrectnessWitness]: Location invariant before [L875-L875] ((((y$r_buff1_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd0 == (_Bool)0) || (((y$r_buff0_thd0 == (_Bool)0 && y$r_buff1_thd0 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:40,871 INFO L76 edCorrectnessWitness]: Location invariant before [L886-L886] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:27:40,871 INFO L76 edCorrectnessWitness]: Location invariant before [L882-L882] ((((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (x == 2)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1)) && ((y == 2 && ((__unbuffered_p2_EAX == 0 && (__unbuffered_p3_EAX == 1 || ((0 <= __unbuffered_p3_EAX && __unbuffered_p3_EAX <= 1) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || (((((0 <= __unbuffered_p2_EAX && 0 <= __unbuffered_p3_EAX) && __unbuffered_p2_EAX <= 1) && __unbuffered_p3_EAX <= 1) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || (((((((((0 <= __unbuffered_p2_EAX && 0 <= __unbuffered_p3_EAX) && 0 <= y) && __unbuffered_p2_EAX <= 1) && __unbuffered_p3_EAX <= 1) && y <= 2) && y <= 127) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)) && ((y == 0 || y == 1) || y == 2))) [2024-02-07 19:27:40,871 INFO L76 edCorrectnessWitness]: Location invariant before [L821-L821] a == 1 [2024-02-07 19:27:40,871 INFO L76 edCorrectnessWitness]: Location invariant before [L826-L826] ((0 <= b) && (b <= 1)) && (b == 0 || b == 1) [2024-02-07 19:27:40,871 INFO L76 edCorrectnessWitness]: Location invariant before [L806-L806] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 19:27:40,920 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:27:41,090 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/mix040_tso.oepc.i[949,962] [2024-02-07 19:27:41,367 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:27:41,383 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 19:27:41,419 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/mix040_tso.oepc.i[949,962] 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 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 [2024-02-07 19:27:41,530 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:27:41,594 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:27:41,595 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:41 WrapperNode [2024-02-07 19:27:41,595 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:27:41,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:27:41,597 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:27:41,597 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:27:41,603 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 07.02 07:27:41" (1/1) ... [2024-02-07 19:27:41,642 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 07.02 07:27:41" (1/1) ... [2024-02-07 19:27:41,692 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 208 [2024-02-07 19:27:41,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:27:41,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:27:41,697 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:27:41,697 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:27:41,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:41" (1/1) ... [2024-02-07 19:27:41,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:41" (1/1) ... [2024-02-07 19:27:41,724 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:41" (1/1) ... [2024-02-07 19:27:41,763 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]. [2024-02-07 19:27:41,764 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:41" (1/1) ... [2024-02-07 19:27:41,764 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:41" (1/1) ... [2024-02-07 19:27:41,778 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:41" (1/1) ... [2024-02-07 19:27:41,784 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:41" (1/1) ... [2024-02-07 19:27:41,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:41" (1/1) ... [2024-02-07 19:27:41,789 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:41" (1/1) ... [2024-02-07 19:27:41,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:27:41,796 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:27:41,797 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:27:41,798 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:27:41,799 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:41" (1/1) ... [2024-02-07 19:27:41,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:27:41,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:27:41,832 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) [2024-02-07 19:27:41,848 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 [2024-02-07 19:27:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:27:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:27:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:27:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:27:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 19:27:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:27:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:27:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:27:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:27:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 19:27:41,880 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 19:27:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 19:27:41,880 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 19:27:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 19:27:41,880 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 19:27:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 19:27:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 19:27:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:27:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:27:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:27:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:27:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 19:27:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:27:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:27:41,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:27:41,883 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 19:27:42,046 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:27:42,047 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:27:42,610 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:27:42,610 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:27:43,088 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:27:43,088 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:27:43,090 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:27:43 BoogieIcfgContainer [2024-02-07 19:27:43,090 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:27:43,093 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:27:43,093 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:27:43,096 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:27:43,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:27:40" (1/4) ... [2024-02-07 19:27:43,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2618f5d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:27:43, skipping insertion in model container [2024-02-07 19:27:43,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:27:40" (2/4) ... [2024-02-07 19:27:43,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2618f5d8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:27:43, skipping insertion in model container [2024-02-07 19:27:43,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:41" (3/4) ... [2024-02-07 19:27:43,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2618f5d8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:27:43, skipping insertion in model container [2024-02-07 19:27:43,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:27:43" (4/4) ... [2024-02-07 19:27:43,101 INFO L112 eAbstractionObserver]: Analyzing ICFG mix040_tso.oepc.i [2024-02-07 19:27:43,120 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:27:43,121 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 77 error locations. [2024-02-07 19:27:43,122 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:27:43,231 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 19:27:43,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 138 places, 126 transitions, 268 flow [2024-02-07 19:27:43,344 INFO L124 PetriNetUnfolderBase]: 1/122 cut-off events. [2024-02-07 19:27:43,344 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:27:43,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 122 events. 1/122 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 600 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 126. Up to 2 conditions per place. [2024-02-07 19:27:43,350 INFO L82 GeneralOperation]: Start removeDead. Operand has 138 places, 126 transitions, 268 flow [2024-02-07 19:27:43,359 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 134 places, 122 transitions, 256 flow [2024-02-07 19:27:43,372 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:27:43,380 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;@3c8fae91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:27:43,381 INFO L358 AbstractCegarLoop]: Starting to check reachability of 133 error locations. [2024-02-07 19:27:43,385 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:27:43,386 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-02-07 19:27:43,386 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:27:43,386 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:27:43,387 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 19:27:43,387 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 130 more)] === [2024-02-07 19:27:43,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:27:43,396 INFO L85 PathProgramCache]: Analyzing trace with hash 24891794, now seen corresponding path program 1 times [2024-02-07 19:27:43,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:27:43,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411076426] [2024-02-07 19:27:43,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:27:43,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:27:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:27:43,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:27:43,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:27:43,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411076426] [2024-02-07 19:27:43,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411076426] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:27:43,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:27:43,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:27:43,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901921133] [2024-02-07 19:27:43,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:27:43,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 19:27:43,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:27:43,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 19:27:43,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 19:27:43,666 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 126 [2024-02-07 19:27:43,668 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 122 transitions, 256 flow. Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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) [2024-02-07 19:27:43,668 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:27:43,668 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 126 [2024-02-07 19:27:43,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:28:14,556 INFO L124 PetriNetUnfolderBase]: 259259/348239 cut-off events. [2024-02-07 19:28:14,556 INFO L125 PetriNetUnfolderBase]: For 304/304 co-relation queries the response was YES. [2024-02-07 19:28:15,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 684571 conditions, 348239 events. 259259/348239 cut-off events. For 304/304 co-relation queries the response was YES. Maximal size of possible extension queue 16852. Compared 2712876 event pairs, 259259 based on Foata normal form. 2400/181054 useless extension candidates. Maximal degree in co-relation 684559. Up to 335593 conditions per place. [2024-02-07 19:28:17,005 INFO L140 encePairwiseOnDemand]: 86/126 looper letters, 56 selfloop transitions, 0 changer transitions 0/68 dead transitions. [2024-02-07 19:28:17,006 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 68 transitions, 260 flow [2024-02-07 19:28:17,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-02-07 19:28:17,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-02-07 19:28:17,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 128 transitions. [2024-02-07 19:28:17,020 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5079365079365079 [2024-02-07 19:28:17,022 INFO L175 Difference]: Start difference. First operand has 134 places, 122 transitions, 256 flow. Second operand 2 states and 128 transitions. [2024-02-07 19:28:17,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 68 transitions, 260 flow [2024-02-07 19:28:17,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 68 transitions, 256 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-07 19:28:17,040 INFO L231 Difference]: Finished difference. Result has 78 places, 68 transitions, 144 flow [2024-02-07 19:28:17,042 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=144, PETRI_PLACES=78, PETRI_TRANSITIONS=68} [2024-02-07 19:28:17,045 INFO L281 CegarLoopForPetriNet]: 134 programPoint places, -56 predicate places. [2024-02-07 19:28:17,045 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 68 transitions, 144 flow [2024-02-07 19:28:17,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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) [2024-02-07 19:28:17,045 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:28:17,045 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 19:28:17,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:28:17,046 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 130 more)] === [2024-02-07 19:28:17,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:28:17,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1477009448, now seen corresponding path program 1 times [2024-02-07 19:28:17,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:28:17,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400904719] [2024-02-07 19:28:17,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:28:17,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:28:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:28:17,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:28:17,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:28:17,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400904719] [2024-02-07 19:28:17,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400904719] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:28:17,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:28:17,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:28:17,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666815577] [2024-02-07 19:28:17,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:28:17,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:28:17,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:28:17,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:28:17,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:28:17,202 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 126 [2024-02-07 19:28:17,203 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 68 transitions, 144 flow. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2024-02-07 19:28:17,203 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:28:17,206 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 126 [2024-02-07 19:28:17,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand