./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 59af5db6 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/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/safe009_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-59af5db-m [2024-02-02 09:13:28,247 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-02 09:13:28,304 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-02 09:13:28,309 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-02 09:13:28,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-02 09:13:28,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-02 09:13:28,337 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-02 09:13:28,337 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-02 09:13:28,338 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-02 09:13:28,341 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-02 09:13:28,341 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-02 09:13:28,341 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-02 09:13:28,342 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-02 09:13:28,343 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-02 09:13:28,343 INFO L153 SettingsManager]: * Use SBE=true [2024-02-02 09:13:28,343 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-02 09:13:28,343 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-02 09:13:28,343 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-02 09:13:28,344 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-02 09:13:28,344 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-02 09:13:28,344 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-02 09:13:28,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-02 09:13:28,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-02 09:13:28,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-02 09:13:28,345 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-02 09:13:28,345 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-02 09:13:28,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-02 09:13:28,345 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-02 09:13:28,346 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-02 09:13:28,346 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-02 09:13:28,347 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-02 09:13:28,347 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-02 09:13:28,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:13:28,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-02 09:13:28,347 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-02 09:13:28,348 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-02 09:13:28,348 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-02 09:13:28,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-02 09:13:28,348 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-02 09:13:28,348 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-02 09:13:28,348 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-02 09:13:28,349 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-02 09:13:28,349 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-02 09:13:28,349 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-02 09:13:28,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-02 09:13:28,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-02 09:13:28,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-02 09:13:28,587 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-02 09:13:28,588 INFO L274 PluginConnector]: CDTParser initialized [2024-02-02 09:13:28,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-02-02 09:13:29,659 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-02 09:13:29,875 INFO L384 CDTParser]: Found 1 translation units. [2024-02-02 09:13:29,877 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-02-02 09:13:29,899 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60b5cc125/b0ea8d6672a44ac8b0f79c4afd8a4e9a/FLAG7d3ea0ab8 [2024-02-02 09:13:29,911 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60b5cc125/b0ea8d6672a44ac8b0f79c4afd8a4e9a [2024-02-02 09:13:29,913 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-02 09:13:29,913 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-02 09:13:29,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.yml/witness.yml [2024-02-02 09:13:30,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-02 09:13:30,111 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-02 09:13:30,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-02 09:13:30,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-02 09:13:30,118 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-02 09:13:30,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:13:29" (1/2) ... [2024-02-02 09:13:30,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a3a26ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:13:30, skipping insertion in model container [2024-02-02 09:13:30,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:13:29" (1/2) ... [2024-02-02 09:13:30,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4185de9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:13:30, skipping insertion in model container [2024-02-02 09:13:30,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:13:30" (2/2) ... [2024-02-02 09:13:30,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a3a26ed and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:13:30, skipping insertion in model container [2024-02-02 09:13:30,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:13:30" (2/2) ... [2024-02-02 09:13:30,123 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-02 09:13:30,329 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-02 09:13:30,330 INFO L101 nessWitnessExtractor]: Location invariant before [L774-L774] ((((((__unbuffered_cnt == 0) && (__unbuffered_p0_EAX == 0)) && (__unbuffered_p1_EAX == 0)) && (main$tmp_guard0 == (_Bool)0)) && (main$tmp_guard1 == (_Bool)0)) && (x == 0)) && (y == 0) [2024-02-02 09:13:30,331 INFO L101 nessWitnessExtractor]: Location invariant before [L784-L784] (((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-02-02 09:13:30,331 INFO L101 nessWitnessExtractor]: Location invariant before [L754-L754] (((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y == 2)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2) [2024-02-02 09:13:30,331 INFO L101 nessWitnessExtractor]: Location invariant before [L18-L18] ((((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1)) && (expression == 1)) && (expression == 0) [2024-02-02 09:13:30,331 INFO L101 nessWitnessExtractor]: Location invariant before [L730-L730] (unsigned long )arg == 0UL [2024-02-02 09:13:30,331 INFO L101 nessWitnessExtractor]: Location invariant before [L746-L746] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-02-02 09:13:30,331 INFO L101 nessWitnessExtractor]: Location invariant before [L742-L742] (((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y == 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2) [2024-02-02 09:13:30,331 INFO L101 nessWitnessExtractor]: Location invariant before [L744-L744] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-02-02 09:13:30,332 INFO L101 nessWitnessExtractor]: Location invariant before [L722-L722] (unsigned long )arg == 0UL [2024-02-02 09:13:30,332 INFO L101 nessWitnessExtractor]: Location invariant before [L787-L787] (((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-02-02 09:13:30,332 INFO L101 nessWitnessExtractor]: Location invariant before [L752-L752] (unsigned long )arg == 0UL [2024-02-02 09:13:30,332 INFO L101 nessWitnessExtractor]: Location invariant before [L733-L733] (unsigned long )arg == 0UL [2024-02-02 09:13:30,332 INFO L101 nessWitnessExtractor]: Location invariant before [L741-L741] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-02-02 09:13:30,332 INFO L101 nessWitnessExtractor]: Location invariant before [L759-L759] ((((((((((((((((0 <= __unbuffered_p0_EAX) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-02-02 09:13:30,333 INFO L101 nessWitnessExtractor]: Location invariant before [L740-L740] (unsigned long )arg == 0UL [2024-02-02 09:13:30,333 INFO L101 nessWitnessExtractor]: Location invariant before [L753-L753] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-02-02 09:13:30,333 INFO L101 nessWitnessExtractor]: Location invariant before [L728-L728] (unsigned long )arg == 0UL [2024-02-02 09:13:30,333 INFO L101 nessWitnessExtractor]: Location invariant before [L745-L745] (unsigned long )arg == 0UL [2024-02-02 09:13:30,333 INFO L101 nessWitnessExtractor]: Location invariant before [L755-L755] (unsigned long )arg == 0UL [2024-02-02 09:13:30,333 INFO L101 nessWitnessExtractor]: Location invariant before [L747-L747] ((((((((((((((((0 <= __unbuffered_p0_EAX) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-02-02 09:13:30,333 INFO L101 nessWitnessExtractor]: Location invariant before [L725-L725] (unsigned long )arg == 0UL [2024-02-02 09:13:30,334 INFO L101 nessWitnessExtractor]: Location invariant before [L724-L724] (((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p0_EAX <= 127)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-02-02 09:13:30,334 INFO L101 nessWitnessExtractor]: Location invariant before [L760-L760] (unsigned long )arg == 0UL [2024-02-02 09:13:30,334 INFO L101 nessWitnessExtractor]: Location invariant before [L726-L726] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-02-02 09:13:30,335 INFO L101 nessWitnessExtractor]: Location invariant before [L723-L723] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-02-02 09:13:30,335 INFO L101 nessWitnessExtractor]: Location invariant before [L780-L780] (((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-02-02 09:13:30,335 INFO L101 nessWitnessExtractor]: Location invariant before [L786-L786] ((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y == 2)) && (__unbuffered_p0_EAX == 2 || ((0 <= __unbuffered_p0_EAX && __unbuffered_p0_EAX <= 2) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)))) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1) [2024-02-02 09:13:30,335 INFO L101 nessWitnessExtractor]: Location invariant before [L737-L737] (unsigned long )arg == 0UL [2024-02-02 09:13:30,335 INFO L101 nessWitnessExtractor]: Location invariant before [L756-L756] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-02-02 09:13:30,336 INFO L101 nessWitnessExtractor]: Location invariant before [L758-L758] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-02-02 09:13:30,336 INFO L101 nessWitnessExtractor]: Location invariant before [L748-L748] (unsigned long )arg == 0UL [2024-02-02 09:13:30,336 INFO L101 nessWitnessExtractor]: Location invariant before [L739-L739] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-02-02 09:13:30,336 INFO L101 nessWitnessExtractor]: Location invariant before [L743-L743] (unsigned long )arg == 0UL [2024-02-02 09:13:30,336 INFO L101 nessWitnessExtractor]: Location invariant before [L731-L731] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-02-02 09:13:30,336 INFO L101 nessWitnessExtractor]: Location invariant before [L727-L727] ((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p1_EAX <= 1)) && (y <= 2)) && (y <= 127)) && (x == 1)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-02-02 09:13:30,337 INFO L101 nessWitnessExtractor]: Location invariant before [L757-L757] (unsigned long )arg == 0UL [2024-02-02 09:13:30,337 INFO L101 nessWitnessExtractor]: Location invariant before [L729-L729] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-02-02 09:13:30,337 INFO L101 nessWitnessExtractor]: Location invariant before [L781-L781] (((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-02-02 09:13:30,339 INFO L101 nessWitnessExtractor]: Location invariant before [L738-L738] ((((((((((((((((0 <= __unbuffered_cnt) && (0 <= __unbuffered_p0_EAX)) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-02-02 09:13:30,339 INFO L101 nessWitnessExtractor]: Location invariant before [L732-L732] ((((((((((((((((0 <= __unbuffered_p0_EAX) && (0 <= __unbuffered_p1_EAX)) && (0 <= x)) && (0 <= y)) && (1 <= __unbuffered_cnt)) && (__unbuffered_p0_EAX <= 2)) && (__unbuffered_p1_EAX <= 1)) && (x <= 1)) && (y <= 2)) && (y <= 127)) && ((unsigned long )arg == 0UL)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1)) && (main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1)) && (x == 0 || x == 1)) && ((__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) || __unbuffered_p0_EAX == 2)) && ((y == 0 || y == 1) || y == 2) [2024-02-02 09:13:30,373 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-02 09:13:30,544 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/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-02-02 09:13:30,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:13:30,681 INFO L202 MainTranslator]: Completed pre-run [2024-02-02 09:13:30,689 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/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-02-02 09:13:30,690 WARN L424 MainDispatcher]: Unable to annotate void __VERIFIER_assert(int expression) { if (!expression) { ERROR: {reach_error();abort();} }; return; } with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-02 09:13:30,863 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:13:30,890 INFO L206 MainTranslator]: Completed translation [2024-02-02 09:13:30,890 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:13:30 WrapperNode [2024-02-02 09:13:30,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-02 09:13:30,892 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-02 09:13:30,892 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-02 09:13:30,892 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-02 09:13:30,897 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 02.02 09:13:30" (1/1) ... [2024-02-02 09:13:30,926 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 02.02 09:13:30" (1/1) ... [2024-02-02 09:13:30,959 INFO L138 Inliner]: procedures = 176, calls = 51, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2024-02-02 09:13:30,959 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-02 09:13:30,960 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-02 09:13:30,960 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-02 09:13:30,961 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-02 09:13:30,997 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:13:30" (1/1) ... [2024-02-02 09:13:31,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:13:30" (1/1) ... [2024-02-02 09:13:31,033 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:13:30" (1/1) ... [2024-02-02 09:13:31,059 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]. [2024-02-02 09:13:31,059 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:13:30" (1/1) ... [2024-02-02 09:13:31,059 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:13:30" (1/1) ... [2024-02-02 09:13:31,070 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:13:30" (1/1) ... [2024-02-02 09:13:31,071 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:13:30" (1/1) ... [2024-02-02 09:13:31,073 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:13:30" (1/1) ... [2024-02-02 09:13:31,074 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:13:30" (1/1) ... [2024-02-02 09:13:31,077 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-02 09:13:31,078 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-02 09:13:31,078 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-02 09:13:31,078 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-02 09:13:31,078 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:13:30" (1/1) ... [2024-02-02 09:13:31,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:13:31,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-02 09:13:31,138 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) [2024-02-02 09:13:31,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-02 09:13:31,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-02 09:13:31,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-02 09:13:31,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-02 09:13:31,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-02 09:13:31,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-02 09:13:31,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-02 09:13:31,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-02 09:13:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-02 09:13:31,170 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-02 09:13:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-02 09:13:31,170 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-02 09:13:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-02 09:13:31,170 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-02 09:13:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-02 09:13:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-02 09:13:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-02 09:13:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-02 09:13:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-02 09:13:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-02 09:13:31,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-02 09:13:31,160 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 [2024-02-02 09:13:31,183 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-02 09:13:31,302 INFO L244 CfgBuilder]: Building ICFG [2024-02-02 09:13:31,303 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-02 09:13:31,661 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-02 09:13:31,661 INFO L293 CfgBuilder]: Performing block encoding [2024-02-02 09:13:31,865 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-02 09:13:31,865 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-02 09:13:31,866 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:13:31 BoogieIcfgContainer [2024-02-02 09:13:31,866 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-02 09:13:31,868 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-02 09:13:31,868 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-02 09:13:31,871 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-02 09:13:31,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:13:29" (1/4) ... [2024-02-02 09:13:31,871 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a1b4f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:13:31, skipping insertion in model container [2024-02-02 09:13:31,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:13:30" (2/4) ... [2024-02-02 09:13:31,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a1b4f8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:13:31, skipping insertion in model container [2024-02-02 09:13:31,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:13:30" (3/4) ... [2024-02-02 09:13:31,873 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a1b4f8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:13:31, skipping insertion in model container [2024-02-02 09:13:31,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:13:31" (4/4) ... [2024-02-02 09:13:31,875 INFO L112 eAbstractionObserver]: Analyzing ICFG safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-02-02 09:13:31,888 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-02 09:13:31,888 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2024-02-02 09:13:31,888 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-02 09:13:31,975 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-02 09:13:32,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 97 places, 88 transitions, 188 flow [2024-02-02 09:13:32,053 INFO L124 PetriNetUnfolderBase]: 1/85 cut-off events. [2024-02-02 09:13:32,053 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:13:32,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 85 events. 1/85 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 363 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 85. Up to 2 conditions per place. [2024-02-02 09:13:32,058 INFO L82 GeneralOperation]: Start removeDead. Operand has 97 places, 88 transitions, 188 flow [2024-02-02 09:13:32,061 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 94 places, 85 transitions, 179 flow [2024-02-02 09:13:32,073 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-02 09:13:32,079 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;@384857e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-02 09:13:32,079 INFO L358 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2024-02-02 09:13:32,081 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-02 09:13:32,081 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-02 09:13:32,081 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:13:32,081 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:13:32,082 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-02 09:13:32,082 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-02-02 09:13:32,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:13:32,086 INFO L85 PathProgramCache]: Analyzing trace with hash 12353, now seen corresponding path program 1 times [2024-02-02 09:13:32,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:13:32,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678775973] [2024-02-02 09:13:32,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:13:32,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:13:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:13:32,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:13:32,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:13:32,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678775973] [2024-02-02 09:13:32,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678775973] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:13:32,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:13:32,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-02 09:13:32,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396450666] [2024-02-02 09:13:32,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:13:32,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:13:32,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:13:32,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:13:32,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:13:32,452 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 88 [2024-02-02 09:13:32,455 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 85 transitions, 179 flow. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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) [2024-02-02 09:13:32,455 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:13:32,455 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 88 [2024-02-02 09:13:32,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:13:36,528 INFO L124 PetriNetUnfolderBase]: 22351/36074 cut-off events. [2024-02-02 09:13:36,528 INFO L125 PetriNetUnfolderBase]: For 90/90 co-relation queries the response was YES. [2024-02-02 09:13:36,600 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67418 conditions, 36074 events. 22351/36074 cut-off events. For 90/90 co-relation queries the response was YES. Maximal size of possible extension queue 1918. Compared 318111 event pairs, 13819 based on Foata normal form. 800/22521 useless extension candidates. Maximal degree in co-relation 67405. Up to 30765 conditions per place. [2024-02-02 09:13:36,789 INFO L140 encePairwiseOnDemand]: 70/88 looper letters, 54 selfloop transitions, 4 changer transitions 0/89 dead transitions. [2024-02-02 09:13:36,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 89 transitions, 309 flow [2024-02-02 09:13:36,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:13:36,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:13:36,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 180 transitions. [2024-02-02 09:13:36,800 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6818181818181818 [2024-02-02 09:13:36,802 INFO L175 Difference]: Start difference. First operand has 94 places, 85 transitions, 179 flow. Second operand 3 states and 180 transitions. [2024-02-02 09:13:36,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 89 transitions, 309 flow [2024-02-02 09:13:36,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 89 transitions, 304 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-02-02 09:13:36,811 INFO L231 Difference]: Finished difference. Result has 83 places, 76 transitions, 180 flow [2024-02-02 09:13:36,813 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=88, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=180, PETRI_PLACES=83, PETRI_TRANSITIONS=76} [2024-02-02 09:13:36,816 INFO L281 CegarLoopForPetriNet]: 94 programPoint places, -11 predicate places. [2024-02-02 09:13:36,816 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 76 transitions, 180 flow [2024-02-02 09:13:36,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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) [2024-02-02 09:13:36,817 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:13:36,819 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-02 09:13:36,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-02 09:13:36,819 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-02-02 09:13:36,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:13:36,825 INFO L85 PathProgramCache]: Analyzing trace with hash 368488775, now seen corresponding path program 1 times [2024-02-02 09:13:36,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:13:36,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281470588] [2024-02-02 09:13:36,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:13:36,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:13:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:13:36,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:13:36,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:13:36,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281470588] [2024-02-02 09:13:36,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281470588] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:13:36,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:13:36,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-02 09:13:36,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669575397] [2024-02-02 09:13:36,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:13:36,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-02 09:13:36,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:13:36,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-02 09:13:36,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-02 09:13:36,972 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 88 [2024-02-02 09:13:36,973 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 76 transitions, 180 flow. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 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) [2024-02-02 09:13:36,973 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:13:36,973 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 88 [2024-02-02 09:13:36,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:13:40,636 INFO L124 PetriNetUnfolderBase]: 24561/39343 cut-off events. [2024-02-02 09:13:40,637 INFO L125 PetriNetUnfolderBase]: For 3923/3923 co-relation queries the response was YES. [2024-02-02 09:13:40,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78369 conditions, 39343 events. 24561/39343 cut-off events. For 3923/3923 co-relation queries the response was YES. Maximal size of possible extension queue 1974. Compared 351872 event pairs, 11677 based on Foata normal form. 3480/31749 useless extension candidates. Maximal degree in co-relation 78356. Up to 31952 conditions per place. [2024-02-02 09:13:41,071 INFO L140 encePairwiseOnDemand]: 81/88 looper letters, 76 selfloop transitions, 2 changer transitions 0/103 dead transitions. [2024-02-02 09:13:41,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 103 transitions, 408 flow [2024-02-02 09:13:41,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-02 09:13:41,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-02 09:13:41,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 194 transitions. [2024-02-02 09:13:41,077 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5511363636363636 [2024-02-02 09:13:41,077 INFO L175 Difference]: Start difference. First operand has 83 places, 76 transitions, 180 flow. Second operand 4 states and 194 transitions. [2024-02-02 09:13:41,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 103 transitions, 408 flow [2024-02-02 09:13:41,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 103 transitions, 402 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-02 09:13:41,081 INFO L231 Difference]: Finished difference. Result has 80 places, 71 transitions, 170 flow [2024-02-02 09:13:41,081 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=88, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=170, PETRI_PLACES=80, PETRI_TRANSITIONS=71} [2024-02-02 09:13:41,082 INFO L281 CegarLoopForPetriNet]: 94 programPoint places, -14 predicate places. [2024-02-02 09:13:41,082 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 71 transitions, 170 flow [2024-02-02 09:13:41,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 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) [2024-02-02 09:13:41,082 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:13:41,082 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-02 09:13:41,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-02 09:13:41,083 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-02-02 09:13:41,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:13:41,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1461749437, now seen corresponding path program 1 times [2024-02-02 09:13:41,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:13:41,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687540329] [2024-02-02 09:13:41,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:13:41,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:13:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:13:41,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:13:41,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:13:41,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687540329] [2024-02-02 09:13:41,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687540329] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:13:41,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:13:41,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-02 09:13:41,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786349362] [2024-02-02 09:13:41,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:13:41,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-02-02 09:13:41,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:13:41,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-02-02 09:13:41,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-02-02 09:13:41,353 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 88 [2024-02-02 09:13:41,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 71 transitions, 170 flow. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 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) [2024-02-02 09:13:41,354 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:13:41,355 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 88 [2024-02-02 09:13:41,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:13:46,416 INFO L124 PetriNetUnfolderBase]: 33621/53393 cut-off events. [2024-02-02 09:13:46,416 INFO L125 PetriNetUnfolderBase]: For 5809/5809 co-relation queries the response was YES. [2024-02-02 09:13:46,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106936 conditions, 53393 events. 33621/53393 cut-off events. For 5809/5809 co-relation queries the response was YES. Maximal size of possible extension queue 2689. Compared 472753 event pairs, 21517 based on Foata normal form. 34/38687 useless extension candidates. Maximal degree in co-relation 106922. Up to 46189 conditions per place. [2024-02-02 09:13:46,891 INFO L140 encePairwiseOnDemand]: 81/88 looper letters, 69 selfloop transitions, 7 changer transitions 0/97 dead transitions. [2024-02-02 09:13:46,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 97 transitions, 388 flow [2024-02-02 09:13:46,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-02 09:13:46,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-02 09:13:46,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 174 transitions. [2024-02-02 09:13:46,893 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4943181818181818 [2024-02-02 09:13:46,893 INFO L175 Difference]: Start difference. First operand has 80 places, 71 transitions, 170 flow. Second operand 4 states and 174 transitions. [2024-02-02 09:13:46,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 97 transitions, 388 flow [2024-02-02 09:13:46,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 97 transitions, 384 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:13:46,896 INFO L231 Difference]: Finished difference. Result has 83 places, 74 transitions, 205 flow [2024-02-02 09:13:46,896 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=88, PETRI_DIFFERENCE_MINUEND_FLOW=167, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=205, PETRI_PLACES=83, PETRI_TRANSITIONS=74} [2024-02-02 09:13:46,897 INFO L281 CegarLoopForPetriNet]: 94 programPoint places, -11 predicate places. [2024-02-02 09:13:46,897 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 74 transitions, 205 flow [2024-02-02 09:13:46,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 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) [2024-02-02 09:13:46,898 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:13:46,898 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-02 09:13:46,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-02 09:13:46,898 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-02-02 09:13:46,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:13:46,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1928384847, now seen corresponding path program 1 times [2024-02-02 09:13:46,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:13:46,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390867341] [2024-02-02 09:13:46,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:13:46,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:13:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:13:46,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:13:46,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:13:46,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390867341] [2024-02-02 09:13:46,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390867341] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:13:46,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:13:46,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-02 09:13:46,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133428883] [2024-02-02 09:13:46,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:13:46,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-02 09:13:46,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:13:46,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-02 09:13:46,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-02-02 09:13:46,959 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 88 [2024-02-02 09:13:46,959 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 74 transitions, 205 flow. Second operand has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 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) [2024-02-02 09:13:46,959 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:13:46,959 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 88 [2024-02-02 09:13:46,960 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:13:50,961 INFO L124 PetriNetUnfolderBase]: 25835/40861 cut-off events. [2024-02-02 09:13:50,961 INFO L125 PetriNetUnfolderBase]: For 5911/5950 co-relation queries the response was YES. [2024-02-02 09:13:51,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84030 conditions, 40861 events. 25835/40861 cut-off events. For 5911/5950 co-relation queries the response was YES. Maximal size of possible extension queue 2049. Compared 349553 event pairs, 9201 based on Foata normal form. 3791/34085 useless extension candidates. Maximal degree in co-relation 84014. Up to 33886 conditions per place. [2024-02-02 09:13:51,285 INFO L140 encePairwiseOnDemand]: 81/88 looper letters, 84 selfloop transitions, 2 changer transitions 0/107 dead transitions. [2024-02-02 09:13:51,286 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 107 transitions, 477 flow [2024-02-02 09:13:51,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-02 09:13:51,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-02 09:13:51,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 199 transitions. [2024-02-02 09:13:51,287 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5653409090909091 [2024-02-02 09:13:51,287 INFO L175 Difference]: Start difference. First operand has 83 places, 74 transitions, 205 flow. Second operand 4 states and 199 transitions. [2024-02-02 09:13:51,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 107 transitions, 477 flow [2024-02-02 09:13:51,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 107 transitions, 457 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:13:51,297 INFO L231 Difference]: Finished difference. Result has 79 places, 69 transitions, 187 flow [2024-02-02 09:13:51,297 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=88, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=187, PETRI_PLACES=79, PETRI_TRANSITIONS=69} [2024-02-02 09:13:51,297 INFO L281 CegarLoopForPetriNet]: 94 programPoint places, -15 predicate places. [2024-02-02 09:13:51,298 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 69 transitions, 187 flow [2024-02-02 09:13:51,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 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) [2024-02-02 09:13:51,298 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:13:51,298 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-02-02 09:13:51,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-02 09:13:51,298 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 73 more)] === [2024-02-02 09:13:51,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:13:51,299 INFO L85 PathProgramCache]: Analyzing trace with hash -349611439, now seen corresponding path program 1 times [2024-02-02 09:13:51,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:13:51,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101043502] [2024-02-02 09:13:51,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:13:51,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:13:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:13:51,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:13:51,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:13:51,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101043502] [2024-02-02 09:13:51,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101043502] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:13:51,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:13:51,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-02 09:13:51,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059709378] [2024-02-02 09:13:51,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:13:51,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-02-02 09:13:51,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:13:51,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-02-02 09:13:51,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-02-02 09:13:51,490 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 88 [2024-02-02 09:13:51,491 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 69 transitions, 187 flow. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 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) [2024-02-02 09:13:51,491 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:13:51,491 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 88 [2024-02-02 09:13:51,491 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand