./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-time-symm.wvr.c --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/chl-time-symm.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ab2e0ac4 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/weaver/chl-time-symm.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/chl-time-symm.wvr.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-ab2e0ac-m [2024-01-29 14:18:12,298 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 14:18:12,414 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 14:18:12,418 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 14:18:12,418 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 14:18:12,445 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 14:18:12,446 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 14:18:12,446 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 14:18:12,447 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 14:18:12,450 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 14:18:12,450 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 14:18:12,450 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 14:18:12,451 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 14:18:12,452 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 14:18:12,452 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 14:18:12,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 14:18:12,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 14:18:12,453 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 14:18:12,453 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 14:18:12,453 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 14:18:12,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 14:18:12,455 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 14:18:12,455 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 14:18:12,455 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 14:18:12,455 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 14:18:12,456 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 14:18:12,456 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 14:18:12,456 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 14:18:12,456 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 14:18:12,457 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 14:18:12,457 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 14:18:12,458 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 14:18:12,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:18:12,458 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 14:18:12,458 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 14:18:12,458 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 14:18:12,458 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 14:18:12,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 14:18:12,459 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 14:18:12,459 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 14:18:12,459 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 14:18:12,459 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 14:18:12,460 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 14:18:12,460 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 14:18:12,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 14:18:12,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 14:18:12,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 14:18:12,652 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 14:18:12,652 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 14:18:12,653 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-time-symm.wvr.c [2024-01-29 14:18:13,699 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 14:18:13,930 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 14:18:13,931 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-symm.wvr.c [2024-01-29 14:18:13,953 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d8375691/bd54c3af91bf4ed9b82decc5c6b79f70/FLAG93edc69a1 [2024-01-29 14:18:13,971 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d8375691/bd54c3af91bf4ed9b82decc5c6b79f70 [2024-01-29 14:18:13,973 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 14:18:13,973 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 14:18:13,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/chl-time-symm.wvr.yml/witness.yml [2024-01-29 14:18:14,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 14:18:14,164 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 14:18:14,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 14:18:14,166 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 14:18:14,169 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 14:18:14,177 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:18:13" (1/2) ... [2024-01-29 14:18:14,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d91045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:18:14, skipping insertion in model container [2024-01-29 14:18:14,178 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:18:13" (1/2) ... [2024-01-29 14:18:14,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2b195492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:18:14, skipping insertion in model container [2024-01-29 14:18:14,180 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:18:14" (2/2) ... [2024-01-29 14:18:14,180 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d91045 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:18:14, skipping insertion in model container [2024-01-29 14:18:14,180 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:18:14" (2/2) ... [2024-01-29 14:18:14,180 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 14:18:14,234 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 14:18:14,235 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-29 14:18:14,236 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] 1 <= b [2024-01-29 14:18:14,236 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] b != 0 [2024-01-29 14:18:14,236 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-29 14:18:14,236 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] cmp_5 == 0 [2024-01-29 14:18:14,236 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-01-29 14:18:14,236 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-01-29 14:18:14,237 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (long long )cmp_4 - (long long )cmp_5 >= 0LL [2024-01-29 14:18:14,237 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] cmp_4 == 0 [2024-01-29 14:18:14,237 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (0LL - (long long )cmp_4) + (long long )cmp_5 >= 0LL [2024-01-29 14:18:14,237 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] cmp_5 == 0 [2024-01-29 14:18:14,237 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (0LL - (long long )cmp_4) - (long long )cmp_5 >= 0LL [2024-01-29 14:18:14,237 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] volume_totale_1 == 0 [2024-01-29 14:18:14,237 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (long long )cmp_4 + (long long )cmp_5 >= 0LL [2024-01-29 14:18:14,238 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] volume_totale_3 == 0 [2024-01-29 14:18:14,238 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] ora_2 == 0 [2024-01-29 14:18:14,238 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] cmp_4 == 0 [2024-01-29 14:18:14,238 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] volume_totale_1 == 0 [2024-01-29 14:18:14,238 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (0LL - (long long )cmp_4) + (long long )cmp_5 >= 0LL [2024-01-29 14:18:14,238 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] cmp_5 == 0 [2024-01-29 14:18:14,238 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (long long )cmp_4 + (long long )cmp_5 >= 0LL [2024-01-29 14:18:14,238 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (0LL - (long long )cmp_4) - (long long )cmp_5 >= 0LL [2024-01-29 14:18:14,243 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (long long )cmp_4 - (long long )cmp_5 >= 0LL [2024-01-29 14:18:14,243 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] volume_totale_3 == 0 [2024-01-29 14:18:14,243 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] ora_0 == 0 [2024-01-29 14:18:14,243 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-01-29 14:18:14,243 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] (unsigned long )_argptr == 0UL [2024-01-29 14:18:14,243 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] cmp_4 == 0 [2024-01-29 14:18:14,244 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] volume_totale_1 == 0 [2024-01-29 14:18:14,244 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (0LL - (long long )cmp_4) + (long long )cmp_5 >= 0LL [2024-01-29 14:18:14,244 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] ora_2 == 0 [2024-01-29 14:18:14,244 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] cmp_5 == 0 [2024-01-29 14:18:14,244 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (long long )cmp_4 - (long long )cmp_5 >= 0LL [2024-01-29 14:18:14,244 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (long long )cmp_4 + (long long )cmp_5 >= 0LL [2024-01-29 14:18:14,244 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (0LL - (long long )cmp_4) - (long long )cmp_5 >= 0LL [2024-01-29 14:18:14,245 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] volume_totale_3 == 0 [2024-01-29 14:18:14,245 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-29 14:18:14,245 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] b <= -1 [2024-01-29 14:18:14,245 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] b != 0 [2024-01-29 14:18:14,245 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (0LL - (long long )cmp_4) + (long long )cmp_5 >= 0LL [2024-01-29 14:18:14,245 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (long long )cmp_4 + (long long )cmp_5 >= 0LL [2024-01-29 14:18:14,245 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (long long )cmp_4 - (long long )cmp_5 >= 0LL [2024-01-29 14:18:14,245 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] cmp_4 == 0 [2024-01-29 14:18:14,246 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] cmp_5 == 0 [2024-01-29 14:18:14,246 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (0LL - (long long )cmp_4) - (long long )cmp_5 >= 0LL [2024-01-29 14:18:14,246 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (0LL - (long long )cmp_4) - (long long )cmp_5 >= 0LL [2024-01-29 14:18:14,246 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (0LL - (long long )cmp_4) + (long long )cmp_5 >= 0LL [2024-01-29 14:18:14,246 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (long long )cmp_4 + (long long )cmp_5 >= 0LL [2024-01-29 14:18:14,246 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] volume_totale_3 == 0 [2024-01-29 14:18:14,246 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (long long )cmp_4 - (long long )cmp_5 >= 0LL [2024-01-29 14:18:14,247 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] cmp_5 == 0 [2024-01-29 14:18:14,247 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] cmp_4 == 0 [2024-01-29 14:18:14,247 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-29 14:18:14,247 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] cmp_5 == 0 [2024-01-29 14:18:14,283 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 14:18:14,564 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-symm.wvr.c[2520,2533] [2024-01-29 14:18:14,573 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:18:14,591 INFO L202 MainTranslator]: Completed pre-run [2024-01-29 14:18:14,614 WARN L424 MainDispatcher]: Unable to annotate extern int pthread_create (pthread_t *__restrict __newthread, const pthread_attr_t *__restrict __attr, void *(*__start_routine) (void *), void *__restrict __arg) __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1, 3))); with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-29 14:18:14,722 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-symm.wvr.c[2520,2533] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-29 14:18:14,728 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:18:14,757 INFO L206 MainTranslator]: Completed translation [2024-01-29 14:18:14,758 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:18:14 WrapperNode [2024-01-29 14:18:14,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 14:18:14,759 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 14:18:14,760 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 14:18:14,760 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 14:18:14,765 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 29.01 02:18:14" (1/1) ... [2024-01-29 14:18:14,780 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 29.01 02:18:14" (1/1) ... [2024-01-29 14:18:14,842 INFO L138 Inliner]: procedures = 22, calls = 29, calls flagged for inlining = 9, calls inlined = 15, statements flattened = 220 [2024-01-29 14:18:14,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 14:18:14,843 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 14:18:14,856 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 14:18:14,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 14:18:14,866 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:18:14" (1/1) ... [2024-01-29 14:18:14,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:18:14" (1/1) ... [2024-01-29 14:18:14,876 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:18:14" (1/1) ... [2024-01-29 14:18:14,903 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-01-29 14:18:14,906 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:18:14" (1/1) ... [2024-01-29 14:18:14,907 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:18:14" (1/1) ... [2024-01-29 14:18:14,911 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:18:14" (1/1) ... [2024-01-29 14:18:14,933 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:18:14" (1/1) ... [2024-01-29 14:18:14,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:18:14" (1/1) ... [2024-01-29 14:18:14,940 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:18:14" (1/1) ... [2024-01-29 14:18:14,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 14:18:14,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 14:18:14,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 14:18:14,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 14:18:14,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:18:14" (1/1) ... [2024-01-29 14:18:14,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:18:14,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 14:18:14,979 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-29 14:18:14,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-29 14:18:15,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 14:18:15,009 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-29 14:18:15,009 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-29 14:18:15,009 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-29 14:18:15,009 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-29 14:18:15,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 14:18:15,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 14:18:15,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 14:18:15,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 14:18:15,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 14:18:15,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 14:18:15,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 14:18:15,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-29 14:18:15,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-29 14:18:15,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 14:18:15,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 14:18:15,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 14:18:15,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 14:18:15,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 14:18:15,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 14:18:15,012 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-29 14:18:15,110 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 14:18:15,113 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 14:18:15,396 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 14:18:15,397 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 14:18:15,746 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 14:18:15,746 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-29 14:18:15,747 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:18:15 BoogieIcfgContainer [2024-01-29 14:18:15,747 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 14:18:15,748 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 14:18:15,748 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 14:18:15,751 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 14:18:15,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 02:18:13" (1/4) ... [2024-01-29 14:18:15,752 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48f150f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:18:15, skipping insertion in model container [2024-01-29 14:18:15,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:18:14" (2/4) ... [2024-01-29 14:18:15,752 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48f150f7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:18:15, skipping insertion in model container [2024-01-29 14:18:15,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:18:14" (3/4) ... [2024-01-29 14:18:15,752 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48f150f7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:18:15, skipping insertion in model container [2024-01-29 14:18:15,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:18:15" (4/4) ... [2024-01-29 14:18:15,754 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-symm.wvr.c [2024-01-29 14:18:15,782 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 14:18:15,782 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 66 error locations. [2024-01-29 14:18:15,783 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 14:18:15,848 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-29 14:18:15,879 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 134 places, 127 transitions, 268 flow [2024-01-29 14:18:15,928 INFO L124 PetriNetUnfolderBase]: 0/125 cut-off events. [2024-01-29 14:18:15,929 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-29 14:18:15,930 INFO L83 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 125 events. 0/125 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 199 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-01-29 14:18:15,931 INFO L82 GeneralOperation]: Start removeDead. Operand has 134 places, 127 transitions, 268 flow [2024-01-29 14:18:15,934 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 131 places, 124 transitions, 260 flow [2024-01-29 14:18:15,940 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 14:18:15,944 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;@4c426733, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 14:18:15,945 INFO L358 AbstractCegarLoop]: Starting to check reachability of 92 error locations. [2024-01-29 14:18:15,950 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 14:18:15,950 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 14:18:15,950 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:18:15,950 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:18:15,951 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 14:18:15,951 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 89 more)] === [2024-01-29 14:18:15,955 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:18:15,955 INFO L85 PathProgramCache]: Analyzing trace with hash 23542, now seen corresponding path program 1 times [2024-01-29 14:18:15,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:18:15,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232175121] [2024-01-29 14:18:15,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:18:15,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:18:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:18:16,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:18:16,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:18:16,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232175121] [2024-01-29 14:18:16,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232175121] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:18:16,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:18:16,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:18:16,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729424418] [2024-01-29 14:18:16,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:18:16,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:18:16,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:18:16,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:18:16,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:18:16,132 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 127 [2024-01-29 14:18:16,136 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 124 transitions, 260 flow. Second operand has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:18:16,136 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:18:16,136 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 127 [2024-01-29 14:18:16,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:18:16,233 INFO L124 PetriNetUnfolderBase]: 64/224 cut-off events. [2024-01-29 14:18:16,233 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:18:16,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 224 events. 64/224 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 822 event pairs, 51 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 274. Up to 108 conditions per place. [2024-01-29 14:18:16,240 INFO L140 encePairwiseOnDemand]: 109/127 looper letters, 22 selfloop transitions, 3 changer transitions 0/105 dead transitions. [2024-01-29 14:18:16,241 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 105 transitions, 266 flow [2024-01-29 14:18:16,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:18:16,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:18:16,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 302 transitions. [2024-01-29 14:18:16,259 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7926509186351706 [2024-01-29 14:18:16,265 INFO L175 Difference]: Start difference. First operand has 131 places, 124 transitions, 260 flow. Second operand 3 states and 302 transitions. [2024-01-29 14:18:16,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 105 transitions, 266 flow [2024-01-29 14:18:16,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 105 transitions, 264 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:18:16,272 INFO L231 Difference]: Finished difference. Result has 107 places, 100 transitions, 210 flow [2024-01-29 14:18:16,274 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=210, PETRI_PLACES=107, PETRI_TRANSITIONS=100} [2024-01-29 14:18:16,276 INFO L281 CegarLoopForPetriNet]: 131 programPoint places, -24 predicate places. [2024-01-29 14:18:16,277 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 100 transitions, 210 flow [2024-01-29 14:18:16,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:18:16,277 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:18:16,277 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-29 14:18:16,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 14:18:16,278 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 89 more)] === [2024-01-29 14:18:16,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:18:16,279 INFO L85 PathProgramCache]: Analyzing trace with hash 730542, now seen corresponding path program 1 times [2024-01-29 14:18:16,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:18:16,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561993919] [2024-01-29 14:18:16,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:18:16,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:18:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:18:16,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:18:16,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:18:16,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561993919] [2024-01-29 14:18:16,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561993919] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:18:16,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:18:16,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:18:16,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127989919] [2024-01-29 14:18:16,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:18:16,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:18:16,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:18:16,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:18:16,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:18:16,344 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 127 [2024-01-29 14:18:16,344 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 100 transitions, 210 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:18:16,344 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:18:16,344 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 127 [2024-01-29 14:18:16,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:18:16,388 INFO L124 PetriNetUnfolderBase]: 64/220 cut-off events. [2024-01-29 14:18:16,388 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-01-29 14:18:16,389 INFO L83 FinitePrefix]: Finished finitePrefix Result has 382 conditions, 220 events. 64/220 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 837 event pairs, 64 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 299. Up to 128 conditions per place. [2024-01-29 14:18:16,389 INFO L140 encePairwiseOnDemand]: 121/127 looper letters, 21 selfloop transitions, 2 changer transitions 0/96 dead transitions. [2024-01-29 14:18:16,390 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 96 transitions, 248 flow [2024-01-29 14:18:16,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:18:16,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:18:16,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 264 transitions. [2024-01-29 14:18:16,391 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6929133858267716 [2024-01-29 14:18:16,391 INFO L175 Difference]: Start difference. First operand has 107 places, 100 transitions, 210 flow. Second operand 3 states and 264 transitions. [2024-01-29 14:18:16,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 96 transitions, 248 flow [2024-01-29 14:18:16,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 96 transitions, 242 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:18:16,393 INFO L231 Difference]: Finished difference. Result has 103 places, 96 transitions, 200 flow [2024-01-29 14:18:16,393 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=200, PETRI_PLACES=103, PETRI_TRANSITIONS=96} [2024-01-29 14:18:16,394 INFO L281 CegarLoopForPetriNet]: 131 programPoint places, -28 predicate places. [2024-01-29 14:18:16,394 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 96 transitions, 200 flow [2024-01-29 14:18:16,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:18:16,394 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:18:16,395 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-29 14:18:16,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 14:18:16,395 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 89 more)] === [2024-01-29 14:18:16,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:18:16,395 INFO L85 PathProgramCache]: Analyzing trace with hash 22647562, now seen corresponding path program 1 times [2024-01-29 14:18:16,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:18:16,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905236319] [2024-01-29 14:18:16,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:18:16,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:18:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:18:16,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:18:16,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:18:16,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905236319] [2024-01-29 14:18:16,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905236319] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:18:16,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:18:16,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:18:16,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694725593] [2024-01-29 14:18:16,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:18:16,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:18:16,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:18:16,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:18:16,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:18:16,513 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 127 [2024-01-29 14:18:16,514 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 96 transitions, 200 flow. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:18:16,514 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:18:16,514 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 127 [2024-01-29 14:18:16,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:18:16,550 INFO L124 PetriNetUnfolderBase]: 64/205 cut-off events. [2024-01-29 14:18:16,550 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-29 14:18:16,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 354 conditions, 205 events. 64/205 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 839 event pairs, 64 based on Foata normal form. 14/123 useless extension candidates. Maximal degree in co-relation 292. Up to 128 conditions per place. [2024-01-29 14:18:16,551 INFO L140 encePairwiseOnDemand]: 110/127 looper letters, 18 selfloop transitions, 2 changer transitions 0/81 dead transitions. [2024-01-29 14:18:16,551 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 81 transitions, 210 flow [2024-01-29 14:18:16,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:18:16,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:18:16,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 248 transitions. [2024-01-29 14:18:16,553 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6509186351706037 [2024-01-29 14:18:16,553 INFO L175 Difference]: Start difference. First operand has 103 places, 96 transitions, 200 flow. Second operand 3 states and 248 transitions. [2024-01-29 14:18:16,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 81 transitions, 210 flow [2024-01-29 14:18:16,554 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 81 transitions, 206 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:18:16,554 INFO L231 Difference]: Finished difference. Result has 88 places, 81 transitions, 170 flow [2024-01-29 14:18:16,555 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=170, PETRI_PLACES=88, PETRI_TRANSITIONS=81} [2024-01-29 14:18:16,555 INFO L281 CegarLoopForPetriNet]: 131 programPoint places, -43 predicate places. [2024-01-29 14:18:16,555 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 81 transitions, 170 flow [2024-01-29 14:18:16,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:18:16,556 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:18:16,556 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-29 14:18:16,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-29 14:18:16,556 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 89 more)] === [2024-01-29 14:18:16,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:18:16,557 INFO L85 PathProgramCache]: Analyzing trace with hash 702075166, now seen corresponding path program 1 times [2024-01-29 14:18:16,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:18:16,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746760744] [2024-01-29 14:18:16,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:18:16,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:18:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:18:16,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:18:16,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:18:16,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746760744] [2024-01-29 14:18:16,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746760744] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:18:16,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:18:16,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:18:16,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67802094] [2024-01-29 14:18:16,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:18:16,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:18:16,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:18:16,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:18:16,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:18:16,655 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 127 [2024-01-29 14:18:16,656 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 81 transitions, 170 flow. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:18:16,656 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:18:16,656 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 127 [2024-01-29 14:18:16,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:18:16,710 INFO L124 PetriNetUnfolderBase]: 64/190 cut-off events. [2024-01-29 14:18:16,710 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-29 14:18:16,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 339 conditions, 190 events. 64/190 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 816 event pairs, 64 based on Foata normal form. 13/119 useless extension candidates. Maximal degree in co-relation 282. Up to 128 conditions per place. [2024-01-29 14:18:16,712 INFO L140 encePairwiseOnDemand]: 110/127 looper letters, 18 selfloop transitions, 2 changer transitions 0/66 dead transitions. [2024-01-29 14:18:16,712 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 66 transitions, 180 flow [2024-01-29 14:18:16,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:18:16,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:18:16,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 203 transitions. [2024-01-29 14:18:16,713 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5328083989501312 [2024-01-29 14:18:16,713 INFO L175 Difference]: Start difference. First operand has 88 places, 81 transitions, 170 flow. Second operand 3 states and 203 transitions. [2024-01-29 14:18:16,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 66 transitions, 180 flow [2024-01-29 14:18:16,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 66 transitions, 176 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:18:16,715 INFO L231 Difference]: Finished difference. Result has 73 places, 66 transitions, 140 flow [2024-01-29 14:18:16,715 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=140, PETRI_PLACES=73, PETRI_TRANSITIONS=66} [2024-01-29 14:18:16,716 INFO L281 CegarLoopForPetriNet]: 131 programPoint places, -58 predicate places. [2024-01-29 14:18:16,716 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 66 transitions, 140 flow [2024-01-29 14:18:16,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:18:16,716 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:18:16,716 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:18:16,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-29 14:18:16,717 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 89 more)] === [2024-01-29 14:18:16,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:18:16,717 INFO L85 PathProgramCache]: Analyzing trace with hash 36041432, now seen corresponding path program 1 times [2024-01-29 14:18:16,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:18:16,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226776878] [2024-01-29 14:18:16,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:18:16,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:18:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:18:16,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:18:16,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:18:16,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226776878] [2024-01-29 14:18:16,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226776878] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:18:16,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:18:16,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:18:16,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368372353] [2024-01-29 14:18:16,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:18:16,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:18:16,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:18:16,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:18:16,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:18:16,769 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 127 [2024-01-29 14:18:16,769 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 66 transitions, 140 flow. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:18:16,769 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:18:16,770 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 127 [2024-01-29 14:18:16,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:18:16,801 INFO L124 PetriNetUnfolderBase]: 64/187 cut-off events. [2024-01-29 14:18:16,802 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-29 14:18:16,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 338 conditions, 187 events. 64/187 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 815 event pairs, 64 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 281. Up to 129 conditions per place. [2024-01-29 14:18:16,803 INFO L140 encePairwiseOnDemand]: 122/127 looper letters, 20 selfloop transitions, 2 changer transitions 0/63 dead transitions. [2024-01-29 14:18:16,803 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 63 transitions, 178 flow [2024-01-29 14:18:16,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:18:16,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:18:16,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 268 transitions. [2024-01-29 14:18:16,804 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7034120734908137 [2024-01-29 14:18:16,804 INFO L175 Difference]: Start difference. First operand has 73 places, 66 transitions, 140 flow. Second operand 3 states and 268 transitions. [2024-01-29 14:18:16,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 63 transitions, 178 flow [2024-01-29 14:18:16,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 63 transitions, 174 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:18:16,806 INFO L231 Difference]: Finished difference. Result has 70 places, 63 transitions, 134 flow [2024-01-29 14:18:16,806 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=134, PETRI_PLACES=70, PETRI_TRANSITIONS=63} [2024-01-29 14:18:16,806 INFO L281 CegarLoopForPetriNet]: 131 programPoint places, -61 predicate places. [2024-01-29 14:18:16,806 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 63 transitions, 134 flow [2024-01-29 14:18:16,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:18:16,807 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:18:16,807 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:18:16,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-29 14:18:16,807 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 89 more)] === [2024-01-29 14:18:16,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:18:16,808 INFO L85 PathProgramCache]: Analyzing trace with hash 276100460, now seen corresponding path program 1 times [2024-01-29 14:18:16,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:18:16,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131756522] [2024-01-29 14:18:16,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:18:16,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:18:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:18:16,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:18:16,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:18:16,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131756522] [2024-01-29 14:18:16,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131756522] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:18:16,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:18:16,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:18:16,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382127060] [2024-01-29 14:18:16,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:18:16,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:18:16,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:18:16,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:18:16,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:18:16,830 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 127 [2024-01-29 14:18:16,830 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 63 transitions, 134 flow. Second operand has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:18:16,830 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:18:16,831 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 127 [2024-01-29 14:18:16,831 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:18:16,866 INFO L124 PetriNetUnfolderBase]: 64/182 cut-off events. [2024-01-29 14:18:16,867 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-29 14:18:16,867 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 182 events. 64/182 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 753 event pairs, 49 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 293. Up to 103 conditions per place. [2024-01-29 14:18:16,868 INFO L140 encePairwiseOnDemand]: 122/127 looper letters, 24 selfloop transitions, 3 changer transitions 0/68 dead transitions. [2024-01-29 14:18:16,868 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 68 transitions, 200 flow [2024-01-29 14:18:16,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:18:16,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:18:16,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 281 transitions. [2024-01-29 14:18:16,869 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7375328083989501 [2024-01-29 14:18:16,869 INFO L175 Difference]: Start difference. First operand has 70 places, 63 transitions, 134 flow. Second operand 3 states and 281 transitions. [2024-01-29 14:18:16,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 68 transitions, 200 flow [2024-01-29 14:18:16,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 68 transitions, 196 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:18:16,871 INFO L231 Difference]: Finished difference. Result has 68 places, 61 transitions, 132 flow [2024-01-29 14:18:16,871 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=132, PETRI_PLACES=68, PETRI_TRANSITIONS=61} [2024-01-29 14:18:16,871 INFO L281 CegarLoopForPetriNet]: 131 programPoint places, -63 predicate places. [2024-01-29 14:18:16,871 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 61 transitions, 132 flow [2024-01-29 14:18:16,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:18:16,872 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:18:16,872 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:18:16,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-29 14:18:16,872 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 89 more)] === [2024-01-29 14:18:16,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:18:16,873 INFO L85 PathProgramCache]: Analyzing trace with hash 513954452, now seen corresponding path program 1 times [2024-01-29 14:18:16,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:18:16,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639633916] [2024-01-29 14:18:16,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:18:16,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:18:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:18:16,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:18:16,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:18:16,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639633916] [2024-01-29 14:18:16,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639633916] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:18:16,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:18:16,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:18:16,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946319034] [2024-01-29 14:18:16,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:18:16,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:18:16,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:18:16,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:18:16,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:18:16,957 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 127 [2024-01-29 14:18:16,957 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 61 transitions, 132 flow. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:18:16,957 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:18:16,957 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 127 [2024-01-29 14:18:16,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:18:16,988 INFO L124 PetriNetUnfolderBase]: 64/184 cut-off events. [2024-01-29 14:18:16,989 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-01-29 14:18:16,989 INFO L83 FinitePrefix]: Finished finitePrefix Result has 349 conditions, 184 events. 64/184 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 821 event pairs, 64 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 286. Up to 126 conditions per place. [2024-01-29 14:18:16,990 INFO L140 encePairwiseOnDemand]: 124/127 looper letters, 22 selfloop transitions, 2 changer transitions 0/60 dead transitions. [2024-01-29 14:18:16,990 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 60 transitions, 178 flow [2024-01-29 14:18:16,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:18:16,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:18:16,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions. [2024-01-29 14:18:16,991 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6640419947506562 [2024-01-29 14:18:16,991 INFO L175 Difference]: Start difference. First operand has 68 places, 61 transitions, 132 flow. Second operand 3 states and 253 transitions. [2024-01-29 14:18:16,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 60 transitions, 178 flow [2024-01-29 14:18:16,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 60 transitions, 172 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:18:16,992 INFO L231 Difference]: Finished difference. Result has 67 places, 60 transitions, 128 flow [2024-01-29 14:18:16,993 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=128, PETRI_PLACES=67, PETRI_TRANSITIONS=60} [2024-01-29 14:18:16,993 INFO L281 CegarLoopForPetriNet]: 131 programPoint places, -64 predicate places. [2024-01-29 14:18:16,993 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 60 transitions, 128 flow [2024-01-29 14:18:16,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:18:16,994 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:18:16,994 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:18:16,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-29 14:18:16,994 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 89 more)] === [2024-01-29 14:18:16,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:18:16,994 INFO L85 PathProgramCache]: Analyzing trace with hash -340474867, now seen corresponding path program 1 times [2024-01-29 14:18:16,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:18:16,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331678965] [2024-01-29 14:18:16,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:18:16,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:18:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:18:17,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:18:17,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:18:17,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331678965] [2024-01-29 14:18:17,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331678965] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:18:17,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:18:17,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 14:18:17,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008897364] [2024-01-29 14:18:17,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:18:17,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 14:18:17,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:18:17,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 14:18:17,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 14:18:17,099 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 127 [2024-01-29 14:18:17,100 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 60 transitions, 128 flow. Second operand has 4 states, 4 states have (on average 86.5) internal successors, (346), 4 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:18:17,100 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:18:17,100 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 127 [2024-01-29 14:18:17,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:18:17,147 INFO L124 PetriNetUnfolderBase]: 64/181 cut-off events. [2024-01-29 14:18:17,148 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:18:17,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 181 events. 64/181 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 705 event pairs, 4 based on Foata normal form. 12/136 useless extension candidates. Maximal degree in co-relation 275. Up to 108 conditions per place. [2024-01-29 14:18:17,149 INFO L140 encePairwiseOnDemand]: 123/127 looper letters, 24 selfloop transitions, 2 changer transitions 0/65 dead transitions. [2024-01-29 14:18:17,149 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 65 transitions, 192 flow [2024-01-29 14:18:17,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 14:18:17,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 14:18:17,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 364 transitions. [2024-01-29 14:18:17,150 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7165354330708661 [2024-01-29 14:18:17,150 INFO L175 Difference]: Start difference. First operand has 67 places, 60 transitions, 128 flow. Second operand 4 states and 364 transitions. [2024-01-29 14:18:17,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 65 transitions, 192 flow [2024-01-29 14:18:17,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 65 transitions, 188 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:18:17,151 INFO L231 Difference]: Finished difference. Result has 66 places, 58 transitions, 124 flow [2024-01-29 14:18:17,152 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=124, PETRI_PLACES=66, PETRI_TRANSITIONS=58} [2024-01-29 14:18:17,152 INFO L281 CegarLoopForPetriNet]: 131 programPoint places, -65 predicate places. [2024-01-29 14:18:17,152 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 58 transitions, 124 flow [2024-01-29 14:18:17,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 86.5) internal successors, (346), 4 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:18:17,153 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:18:17,153 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:18:17,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-29 14:18:17,153 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 89 more)] === [2024-01-29 14:18:17,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:18:17,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1964785452, now seen corresponding path program 1 times [2024-01-29 14:18:17,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:18:17,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657301560] [2024-01-29 14:18:17,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:18:17,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:18:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 14:18:17,164 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-29 14:18:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 14:18:17,185 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-29 14:18:17,185 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-29 14:18:17,186 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 92 remaining) [2024-01-29 14:18:17,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 92 remaining) [2024-01-29 14:18:17,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 92 remaining) [2024-01-29 14:18:17,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 92 remaining) [2024-01-29 14:18:17,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 92 remaining) [2024-01-29 14:18:17,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 92 remaining) [2024-01-29 14:18:17,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 92 remaining) [2024-01-29 14:18:17,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 92 remaining) [2024-01-29 14:18:17,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 92 remaining) [2024-01-29 14:18:17,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 92 remaining) [2024-01-29 14:18:17,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 92 remaining) [2024-01-29 14:18:17,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 92 remaining) [2024-01-29 14:18:17,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 92 remaining) [2024-01-29 14:18:17,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 92 remaining) [2024-01-29 14:18:17,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 92 remaining) [2024-01-29 14:18:17,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 92 remaining) [2024-01-29 14:18:17,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 92 remaining) [2024-01-29 14:18:17,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 92 remaining) [2024-01-29 14:18:17,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 92 remaining) [2024-01-29 14:18:17,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 92 remaining) [2024-01-29 14:18:17,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 92 remaining) [2024-01-29 14:18:17,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 92 remaining) [2024-01-29 14:18:17,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 92 remaining) [2024-01-29 14:18:17,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 92 remaining) [2024-01-29 14:18:17,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 92 remaining) [2024-01-29 14:18:17,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 92 remaining) [2024-01-29 14:18:17,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 92 remaining) [2024-01-29 14:18:17,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 92 remaining) [2024-01-29 14:18:17,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 92 remaining) [2024-01-29 14:18:17,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 92 remaining) [2024-01-29 14:18:17,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 92 remaining) [2024-01-29 14:18:17,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 92 remaining) [2024-01-29 14:18:17,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 92 remaining) [2024-01-29 14:18:17,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 92 remaining) [2024-01-29 14:18:17,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 92 remaining) [2024-01-29 14:18:17,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 92 remaining) [2024-01-29 14:18:17,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 92 remaining) [2024-01-29 14:18:17,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 92 remaining) [2024-01-29 14:18:17,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 92 remaining) [2024-01-29 14:18:17,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 92 remaining) [2024-01-29 14:18:17,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 92 remaining) [2024-01-29 14:18:17,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 92 remaining) [2024-01-29 14:18:17,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 92 remaining) [2024-01-29 14:18:17,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 92 remaining) [2024-01-29 14:18:17,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 92 remaining) [2024-01-29 14:18:17,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 92 remaining) [2024-01-29 14:18:17,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 92 remaining) [2024-01-29 14:18:17,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 92 remaining) [2024-01-29 14:18:17,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 92 remaining) [2024-01-29 14:18:17,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 92 remaining) [2024-01-29 14:18:17,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 92 remaining) [2024-01-29 14:18:17,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 92 remaining) [2024-01-29 14:18:17,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 92 remaining) [2024-01-29 14:18:17,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 92 remaining) [2024-01-29 14:18:17,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 92 remaining) [2024-01-29 14:18:17,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 92 remaining) [2024-01-29 14:18:17,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 92 remaining) [2024-01-29 14:18:17,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 92 remaining) [2024-01-29 14:18:17,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 92 remaining) [2024-01-29 14:18:17,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 92 remaining) [2024-01-29 14:18:17,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 92 remaining) [2024-01-29 14:18:17,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 92 remaining) [2024-01-29 14:18:17,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 92 remaining) [2024-01-29 14:18:17,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 92 remaining) [2024-01-29 14:18:17,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 92 remaining) [2024-01-29 14:18:17,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 92 remaining) [2024-01-29 14:18:17,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION (25 of 92 remaining) [2024-01-29 14:18:17,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 92 remaining) [2024-01-29 14:18:17,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 92 remaining) [2024-01-29 14:18:17,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 92 remaining) [2024-01-29 14:18:17,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 92 remaining) [2024-01-29 14:18:17,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 92 remaining) [2024-01-29 14:18:17,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 92 remaining) [2024-01-29 14:18:17,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 92 remaining) [2024-01-29 14:18:17,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 92 remaining) [2024-01-29 14:18:17,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 92 remaining) [2024-01-29 14:18:17,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 92 remaining) [2024-01-29 14:18:17,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 92 remaining) [2024-01-29 14:18:17,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 92 remaining) [2024-01-29 14:18:17,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 92 remaining) [2024-01-29 14:18:17,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 92 remaining) [2024-01-29 14:18:17,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 92 remaining) [2024-01-29 14:18:17,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 92 remaining) [2024-01-29 14:18:17,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 92 remaining) [2024-01-29 14:18:17,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 92 remaining) [2024-01-29 14:18:17,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 92 remaining) [2024-01-29 14:18:17,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 92 remaining) [2024-01-29 14:18:17,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 92 remaining) [2024-01-29 14:18:17,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 92 remaining) [2024-01-29 14:18:17,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 92 remaining) [2024-01-29 14:18:17,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 92 remaining) [2024-01-29 14:18:17,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 92 remaining) [2024-01-29 14:18:17,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-01-29 14:18:17,201 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:18:17,206 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-29 14:18:17,206 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-29 14:18:17,233 INFO L503 ceAbstractionStarter]: Automizer considered 65 witness invariants [2024-01-29 14:18:17,234 INFO L504 ceAbstractionStarter]: WitnessConsidered=65 [2024-01-29 14:18:17,234 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 02:18:17 BasicIcfg [2024-01-29 14:18:17,234 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-29 14:18:17,235 INFO L158 Benchmark]: Toolchain (without parser) took 3070.54ms. Allocated memory was 209.7MB in the beginning and 251.7MB in the end (delta: 41.9MB). Free memory was 131.9MB in the beginning and 95.0MB in the end (delta: 37.0MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. [2024-01-29 14:18:17,235 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 209.7MB. Free memory is still 170.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:18:17,235 INFO L158 Benchmark]: Witness Parser took 8.49ms. Allocated memory is still 209.7MB. Free memory is still 136.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:18:17,235 INFO L158 Benchmark]: CACSL2BoogieTranslator took 592.90ms. Allocated memory is still 209.7MB. Free memory was 131.7MB in the beginning and 113.7MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-01-29 14:18:17,236 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.34ms. Allocated memory is still 209.7MB. Free memory was 113.7MB in the beginning and 176.6MB in the end (delta: -62.9MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2024-01-29 14:18:17,236 INFO L158 Benchmark]: Boogie Preprocessor took 101.01ms. Allocated memory is still 209.7MB. Free memory was 176.6MB in the beginning and 174.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 14:18:17,236 INFO L158 Benchmark]: RCFGBuilder took 802.00ms. Allocated memory was 209.7MB in the beginning and 251.7MB in the end (delta: 41.9MB). Free memory was 174.0MB in the beginning and 200.1MB in the end (delta: -26.1MB). Peak memory consumption was 86.3MB. Max. memory is 16.1GB. [2024-01-29 14:18:17,236 INFO L158 Benchmark]: TraceAbstraction took 1486.19ms. Allocated memory is still 251.7MB. Free memory was 199.0MB in the beginning and 95.0MB in the end (delta: 104.0MB). Peak memory consumption was 107.2MB. Max. memory is 16.1GB. [2024-01-29 14:18:17,237 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 209.7MB. Free memory is still 170.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 8.49ms. Allocated memory is still 209.7MB. Free memory is still 136.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 592.90ms. Allocated memory is still 209.7MB. Free memory was 131.7MB in the beginning and 113.7MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.34ms. Allocated memory is still 209.7MB. Free memory was 113.7MB in the beginning and 176.6MB in the end (delta: -62.9MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.01ms. Allocated memory is still 209.7MB. Free memory was 176.6MB in the beginning and 174.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 802.00ms. Allocated memory was 209.7MB in the beginning and 251.7MB in the end (delta: 41.9MB). Free memory was 174.0MB in the beginning and 200.1MB in the end (delta: -26.1MB). Peak memory consumption was 86.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1486.19ms. Allocated memory is still 251.7MB. Free memory was 199.0MB in the beginning and 95.0MB in the end (delta: 104.0MB). Peak memory consumption was 107.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 86]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] 0 int ora_0, ora_2; [L39] 0 int volume_totale_1, volume_totale_3; [L40] 0 int cmp_4, cmp_5; [L63] 0 pthread_t t1, t2; VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L66] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[ora_0],IntegerLiteral[0]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L66] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_3],IntegerLiteral[0]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L66] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L66] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L66] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L66] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[cmp_5],IntegerLiteral[0]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L66] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L66] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_1],IntegerLiteral[0]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L66] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[cmp_4],IntegerLiteral[0]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L66] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[ora_2],IntegerLiteral[0]]]] [L66] 0 ora_0 = __VERIFIER_nondet_int() [L67] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_3],IntegerLiteral[0]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L67] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L67] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L67] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L67] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[cmp_5],IntegerLiteral[0]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L67] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[ora_2],IntegerLiteral[0]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L67] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L67] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_1],IntegerLiteral[0]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L67] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[cmp_4],IntegerLiteral[0]]]] [L67] 0 ora_2 = __VERIFIER_nondet_int() [L68] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_3],IntegerLiteral[0]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L68] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L68] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_1],IntegerLiteral[0]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L68] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L68] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[cmp_5],IntegerLiteral[0]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L68] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L68] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[cmp_4],IntegerLiteral[0]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L68] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] [L68] 0 volume_totale_1 = __VERIFIER_nondet_int() [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[cmp_4],IntegerLiteral[0]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[cmp_5],IntegerLiteral[0]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_3],IntegerLiteral[0]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] [L69] 0 volume_totale_3 = __VERIFIER_nondet_int() [L70] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L70] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[cmp_5],IntegerLiteral[0]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L70] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[cmp_4],IntegerLiteral[0]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L70] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L70] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L70] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] [L70] 0 cmp_4 = __VERIFIER_nondet_int() [L71] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[cmp_5],IntegerLiteral[0]]]] [L71] 0 cmp_5 = __VERIFIER_nondet_int() [L74] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L44] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[_argptr]],IntegerLiteral[0UL]]]] VAL [_argptr={0:0}, _argptr={0:0}, cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, volume_totale_1=0, volume_totale_3=0] [L45] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[_argptr]],IntegerLiteral[0UL]]]] [L45] CALL 1 minus(ora_0, ora_2) [L86] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPNEQ,IdentifierExpression[b],IntegerLiteral[0]]]] VAL [\old(a)=0, \old(b)=0, a=0, b=0, cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, volume_totale_1=0, volume_totale_3=0] - UnprovableResult [Line: 44]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 58]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 71]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 80]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 75]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 164 locations, 92 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.3s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 515 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 194 mSDsluCounter, 65 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 82 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 577 IncrementalHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 82 mSolverCounterUnsat, 65 mSDtfsCounter, 577 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=260occurred in iteration=0, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 167 NumberOfCodeBlocks, 167 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 291 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-01-29 14:18:17,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE