./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 cb09d658 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-cb09d65-m [2024-01-27 23:08:29,351 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 23:08:29,394 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 23:08:29,397 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 23:08:29,397 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 23:08:29,418 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 23:08:29,419 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 23:08:29,419 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 23:08:29,419 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 23:08:29,420 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 23:08:29,420 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 23:08:29,420 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 23:08:29,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 23:08:29,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 23:08:29,421 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 23:08:29,428 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 23:08:29,428 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 23:08:29,428 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 23:08:29,429 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 23:08:29,429 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 23:08:29,429 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 23:08:29,430 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 23:08:29,430 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 23:08:29,430 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 23:08:29,430 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 23:08:29,431 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 23:08:29,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 23:08:29,431 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 23:08:29,432 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 23:08:29,432 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 23:08:29,432 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 23:08:29,432 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 23:08:29,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 23:08:29,433 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 23:08:29,433 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 23:08:29,433 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 23:08:29,434 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 23:08:29,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 23:08:29,434 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 23:08:29,434 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 23:08:29,435 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 23:08:29,435 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 23:08:29,435 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 23:08:29,436 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 23:08:29,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 23:08:29,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 23:08:29,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 23:08:29,646 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 23:08:29,646 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 23:08:29,647 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-time-symm.wvr.c [2024-01-27 23:08:30,662 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 23:08:30,844 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 23:08:30,847 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-symm.wvr.c [2024-01-27 23:08:30,859 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5270b826d/9c6f8681ed764ebeb00bf2b498445496/FLAGe19a85461 [2024-01-27 23:08:30,877 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5270b826d/9c6f8681ed764ebeb00bf2b498445496 [2024-01-27 23:08:30,879 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 23:08:30,880 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 23:08:30,881 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/chl-time-symm.wvr.yml/witness.yml [2024-01-27 23:08:30,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 23:08:30,962 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 23:08:30,963 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 23:08:30,963 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 23:08:30,967 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 23:08:30,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:08:30" (1/2) ... [2024-01-27 23:08:30,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67881e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:08:30, skipping insertion in model container [2024-01-27 23:08:30,969 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:08:30" (1/2) ... [2024-01-27 23:08:30,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1776ca02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:08:30, skipping insertion in model container [2024-01-27 23:08:30,971 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:08:30" (2/2) ... [2024-01-27 23:08:30,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67881e0f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:08:30, skipping insertion in model container [2024-01-27 23:08:30,971 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:08:30" (2/2) ... [2024-01-27 23:08:30,971 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 23:08:31,006 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 23:08:31,007 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] volume_totale_3 == 0 [2024-01-27 23:08:31,007 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] volume_totale_1 == 0 [2024-01-27 23:08:31,007 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (long long )cmp_4 - (long long )cmp_5 >= 0LL [2024-01-27 23:08:31,007 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] ora_2 == 0 [2024-01-27 23:08:31,008 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (0LL - (long long )cmp_4) + (long long )cmp_5 >= 0LL [2024-01-27 23:08:31,008 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (long long )cmp_4 + (long long )cmp_5 >= 0LL [2024-01-27 23:08:31,008 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] cmp_4 == 0 [2024-01-27 23:08:31,008 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (0LL - (long long )cmp_4) - (long long )cmp_5 >= 0LL [2024-01-27 23:08:31,008 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] cmp_5 == 0 [2024-01-27 23:08:31,008 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] cmp_5 == 0 [2024-01-27 23:08:31,008 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] volume_totale_1 == 0 [2024-01-27 23:08:31,009 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] cmp_5 == 0 [2024-01-27 23:08:31,009 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (long long )cmp_4 - (long long )cmp_5 >= 0LL [2024-01-27 23:08:31,009 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] ora_0 == 0 [2024-01-27 23:08:31,009 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] ora_2 == 0 [2024-01-27 23:08:31,009 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] volume_totale_3 == 0 [2024-01-27 23:08:31,009 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] cmp_4 == 0 [2024-01-27 23:08:31,009 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (0LL - (long long )cmp_4) + (long long )cmp_5 >= 0LL [2024-01-27 23:08:31,010 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (0LL - (long long )cmp_4) - (long long )cmp_5 >= 0LL [2024-01-27 23:08:31,010 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (long long )cmp_4 + (long long )cmp_5 >= 0LL [2024-01-27 23:08:31,010 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-01-27 23:08:31,010 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] cmp_5 == 0 [2024-01-27 23:08:31,010 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (long long )cmp_4 + (long long )cmp_5 >= 0LL [2024-01-27 23:08:31,010 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] cmp_4 == 0 [2024-01-27 23:08:31,010 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (0LL - (long long )cmp_4) - (long long )cmp_5 >= 0LL [2024-01-27 23:08:31,010 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (long long )cmp_4 - (long long )cmp_5 >= 0LL [2024-01-27 23:08:31,011 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] volume_totale_3 == 0 [2024-01-27 23:08:31,011 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] cmp_5 == 0 [2024-01-27 23:08:31,011 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (0LL - (long long )cmp_4) + (long long )cmp_5 >= 0LL [2024-01-27 23:08:31,011 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] volume_totale_1 == 0 [2024-01-27 23:08:31,011 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (long long )cmp_4 - (long long )cmp_5 >= 0LL [2024-01-27 23:08:31,011 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] cmp_4 == 0 [2024-01-27 23:08:31,011 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (0LL - (long long )cmp_4) - (long long )cmp_5 >= 0LL [2024-01-27 23:08:31,012 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] cmp_5 == 0 [2024-01-27 23:08:31,012 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (0LL - (long long )cmp_4) + (long long )cmp_5 >= 0LL [2024-01-27 23:08:31,012 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (long long )cmp_4 + (long long )cmp_5 >= 0LL [2024-01-27 23:08:31,012 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-27 23:08:31,012 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] b <= -1 [2024-01-27 23:08:31,012 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] b != 0 [2024-01-27 23:08:31,012 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] 1 <= b [2024-01-27 23:08:31,013 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] b != 0 [2024-01-27 23:08:31,013 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-01-27 23:08:31,013 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-27 23:08:31,013 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] (unsigned long )_argptr == 0UL [2024-01-27 23:08:31,013 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (long long )cmp_4 + (long long )cmp_5 >= 0LL [2024-01-27 23:08:31,013 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (long long )cmp_4 - (long long )cmp_5 >= 0LL [2024-01-27 23:08:31,013 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] volume_totale_3 == 0 [2024-01-27 23:08:31,013 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (0LL - (long long )cmp_4) + (long long )cmp_5 >= 0LL [2024-01-27 23:08:31,014 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (0LL - (long long )cmp_4) - (long long )cmp_5 >= 0LL [2024-01-27 23:08:31,014 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] cmp_4 == 0 [2024-01-27 23:08:31,014 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] cmp_5 == 0 [2024-01-27 23:08:31,014 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-01-27 23:08:31,014 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-27 23:08:31,014 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-27 23:08:31,032 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 23:08:31,164 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] [2024-01-27 23:08:31,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 23:08:31,176 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 23:08:31,183 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 [2024-01-27 23:08:31,221 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 [2024-01-27 23:08:31,225 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 23:08:31,236 INFO L206 MainTranslator]: Completed translation [2024-01-27 23:08:31,236 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:08:31 WrapperNode [2024-01-27 23:08:31,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 23:08:31,237 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 23:08:31,237 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 23:08:31,237 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 23:08:31,242 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 27.01 11:08:31" (1/1) ... [2024-01-27 23:08:31,251 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 27.01 11:08:31" (1/1) ... [2024-01-27 23:08:31,276 INFO L138 Inliner]: procedures = 22, calls = 29, calls flagged for inlining = 9, calls inlined = 15, statements flattened = 220 [2024-01-27 23:08:31,278 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 23:08:31,279 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 23:08:31,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 23:08:31,280 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 23:08:31,290 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:08:31" (1/1) ... [2024-01-27 23:08:31,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:08:31" (1/1) ... [2024-01-27 23:08:31,308 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:08:31" (1/1) ... [2024-01-27 23:08:31,324 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]. [2024-01-27 23:08:31,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:08:31" (1/1) ... [2024-01-27 23:08:31,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:08:31" (1/1) ... [2024-01-27 23:08:31,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:08:31" (1/1) ... [2024-01-27 23:08:31,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:08:31" (1/1) ... [2024-01-27 23:08:31,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:08:31" (1/1) ... [2024-01-27 23:08:31,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:08:31" (1/1) ... [2024-01-27 23:08:31,336 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 23:08:31,337 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 23:08:31,337 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 23:08:31,337 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 23:08:31,338 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:08:31" (1/1) ... [2024-01-27 23:08:31,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 23:08:31,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 23:08:31,373 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) [2024-01-27 23:08:31,393 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 [2024-01-27 23:08:31,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 23:08:31,407 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-27 23:08:31,407 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-27 23:08:31,408 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-27 23:08:31,408 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-27 23:08:31,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 23:08:31,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 23:08:31,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 23:08:31,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 23:08:31,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 23:08:31,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 23:08:31,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 23:08:31,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-27 23:08:31,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-27 23:08:31,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 23:08:31,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 23:08:31,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 23:08:31,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 23:08:31,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 23:08:31,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 23:08:31,412 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-27 23:08:31,526 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 23:08:31,528 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 23:08:31,850 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 23:08:31,854 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 23:08:32,146 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 23:08:32,146 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-27 23:08:32,148 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:08:32 BoogieIcfgContainer [2024-01-27 23:08:32,148 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 23:08:32,152 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 23:08:32,152 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 23:08:32,154 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 23:08:32,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 11:08:30" (1/4) ... [2024-01-27 23:08:32,155 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5712e62b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 11:08:32, skipping insertion in model container [2024-01-27 23:08:32,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:08:30" (2/4) ... [2024-01-27 23:08:32,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5712e62b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 11:08:32, skipping insertion in model container [2024-01-27 23:08:32,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:08:31" (3/4) ... [2024-01-27 23:08:32,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5712e62b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 11:08:32, skipping insertion in model container [2024-01-27 23:08:32,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:08:32" (4/4) ... [2024-01-27 23:08:32,158 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-symm.wvr.c [2024-01-27 23:08:32,172 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 23:08:32,173 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 66 error locations. [2024-01-27 23:08:32,173 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 23:08:32,247 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-27 23:08:32,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 134 places, 127 transitions, 268 flow [2024-01-27 23:08:32,332 INFO L124 PetriNetUnfolderBase]: 0/125 cut-off events. [2024-01-27 23:08:32,333 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-27 23:08:32,335 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. [2024-01-27 23:08:32,335 INFO L82 GeneralOperation]: Start removeDead. Operand has 134 places, 127 transitions, 268 flow [2024-01-27 23:08:32,340 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 131 places, 124 transitions, 260 flow [2024-01-27 23:08:32,352 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 23:08:32,359 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;@27439129, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 23:08:32,359 INFO L358 AbstractCegarLoop]: Starting to check reachability of 92 error locations. [2024-01-27 23:08:32,361 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 23:08:32,361 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 23:08:32,361 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 23:08:32,361 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:08:32,362 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 23:08:32,363 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 89 more)] === [2024-01-27 23:08:32,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:08:32,366 INFO L85 PathProgramCache]: Analyzing trace with hash 23542, now seen corresponding path program 1 times [2024-01-27 23:08:32,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:08:32,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251327956] [2024-01-27 23:08:32,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:08:32,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:08:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:08:32,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:08:32,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:08:32,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251327956] [2024-01-27 23:08:32,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251327956] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:08:32,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:08:32,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:08:32,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977302949] [2024-01-27 23:08:32,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:08:32,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:08:32,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:08:32,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:08:32,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:08:32,707 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 127 [2024-01-27 23:08:32,710 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 124 transitions, 260 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) [2024-01-27 23:08:32,711 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:08:32,711 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 127 [2024-01-27 23:08:32,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:08:32,807 INFO L124 PetriNetUnfolderBase]: 64/195 cut-off events. [2024-01-27 23:08:32,808 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 23:08:32,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 343 conditions, 195 events. 64/195 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 803 event pairs, 64 based on Foata normal form. 27/134 useless extension candidates. Maximal degree in co-relation 274. Up to 128 conditions per place. [2024-01-27 23:08:32,813 INFO L140 encePairwiseOnDemand]: 81/127 looper letters, 18 selfloop transitions, 2 changer transitions 0/71 dead transitions. [2024-01-27 23:08:32,814 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 71 transitions, 188 flow [2024-01-27 23:08:32,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:08:32,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:08:32,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 232 transitions. [2024-01-27 23:08:32,831 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6089238845144357 [2024-01-27 23:08:32,838 INFO L175 Difference]: Start difference. First operand has 131 places, 124 transitions, 260 flow. Second operand 3 states and 232 transitions. [2024-01-27 23:08:32,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 71 transitions, 188 flow [2024-01-27 23:08:32,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 71 transitions, 186 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 23:08:32,845 INFO L231 Difference]: Finished difference. Result has 78 places, 71 transitions, 150 flow [2024-01-27 23:08:32,847 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=150, PETRI_PLACES=78, PETRI_TRANSITIONS=71} [2024-01-27 23:08:32,850 INFO L281 CegarLoopForPetriNet]: 131 programPoint places, -53 predicate places. [2024-01-27 23:08:32,850 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 71 transitions, 150 flow [2024-01-27 23:08:32,851 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) [2024-01-27 23:08:32,851 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:08:32,851 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-27 23:08:32,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-27 23:08:32,851 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 89 more)] === [2024-01-27 23:08:32,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:08:32,852 INFO L85 PathProgramCache]: Analyzing trace with hash 289494464, now seen corresponding path program 1 times [2024-01-27 23:08:32,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:08:32,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776090862] [2024-01-27 23:08:32,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:08:32,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:08:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:08:32,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:08:32,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:08:32,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776090862] [2024-01-27 23:08:32,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776090862] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:08:32,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:08:32,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:08:32,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568030566] [2024-01-27 23:08:32,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:08:32,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:08:32,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:08:32,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:08:32,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:08:32,918 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 127 [2024-01-27 23:08:32,919 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 71 transitions, 150 flow. Second operand has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 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) [2024-01-27 23:08:32,919 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:08:32,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 127 [2024-01-27 23:08:32,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:08:32,975 INFO L124 PetriNetUnfolderBase]: 64/191 cut-off events. [2024-01-27 23:08:32,975 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-27 23:08:32,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 342 conditions, 191 events. 64/191 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 814 event pairs, 64 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 281. Up to 128 conditions per place. [2024-01-27 23:08:32,978 INFO L140 encePairwiseOnDemand]: 121/127 looper letters, 20 selfloop transitions, 2 changer transitions 0/67 dead transitions. [2024-01-27 23:08:32,978 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 67 transitions, 186 flow [2024-01-27 23:08:32,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:08:32,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:08:32,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 266 transitions. [2024-01-27 23:08:32,982 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6981627296587927 [2024-01-27 23:08:32,982 INFO L175 Difference]: Start difference. First operand has 78 places, 71 transitions, 150 flow. Second operand 3 states and 266 transitions. [2024-01-27 23:08:32,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 67 transitions, 186 flow [2024-01-27 23:08:32,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 67 transitions, 182 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 23:08:32,984 INFO L231 Difference]: Finished difference. Result has 74 places, 67 transitions, 142 flow [2024-01-27 23:08:32,984 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=142, PETRI_PLACES=74, PETRI_TRANSITIONS=67} [2024-01-27 23:08:32,985 INFO L281 CegarLoopForPetriNet]: 131 programPoint places, -57 predicate places. [2024-01-27 23:08:32,985 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 67 transitions, 142 flow [2024-01-27 23:08:32,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 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) [2024-01-27 23:08:32,985 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:08:32,986 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-01-27 23:08:32,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-27 23:08:32,986 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 89 more)] === [2024-01-27 23:08:32,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:08:32,986 INFO L85 PathProgramCache]: Analyzing trace with hash 384394594, now seen corresponding path program 1 times [2024-01-27 23:08:32,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:08:32,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468930462] [2024-01-27 23:08:32,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:08:32,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:08:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:08:33,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:08:33,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:08:33,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468930462] [2024-01-27 23:08:33,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468930462] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:08:33,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:08:33,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:08:33,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346936635] [2024-01-27 23:08:33,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:08:33,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:08:33,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:08:33,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:08:33,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:08:33,030 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 127 [2024-01-27 23:08:33,030 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 67 transitions, 142 flow. Second operand has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 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) [2024-01-27 23:08:33,031 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:08:33,031 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 127 [2024-01-27 23:08:33,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:08:33,069 INFO L124 PetriNetUnfolderBase]: 64/186 cut-off events. [2024-01-27 23:08:33,070 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-27 23:08:33,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 336 conditions, 186 events. 64/186 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 760 event pairs, 49 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 285. Up to 103 conditions per place. [2024-01-27 23:08:33,071 INFO L140 encePairwiseOnDemand]: 122/127 looper letters, 25 selfloop transitions, 3 changer transitions 0/72 dead transitions. [2024-01-27 23:08:33,071 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 72 transitions, 210 flow [2024-01-27 23:08:33,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:08:33,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:08:33,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 279 transitions. [2024-01-27 23:08:33,072 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7322834645669292 [2024-01-27 23:08:33,073 INFO L175 Difference]: Start difference. First operand has 74 places, 67 transitions, 142 flow. Second operand 3 states and 279 transitions. [2024-01-27 23:08:33,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 72 transitions, 210 flow [2024-01-27 23:08:33,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 72 transitions, 206 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 23:08:33,074 INFO L231 Difference]: Finished difference. Result has 72 places, 65 transitions, 140 flow [2024-01-27 23:08:33,074 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=140, PETRI_PLACES=72, PETRI_TRANSITIONS=65} [2024-01-27 23:08:33,075 INFO L281 CegarLoopForPetriNet]: 131 programPoint places, -59 predicate places. [2024-01-27 23:08:33,075 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 65 transitions, 140 flow [2024-01-27 23:08:33,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 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) [2024-01-27 23:08:33,075 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:08:33,075 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 23:08:33,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-27 23:08:33,076 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 89 more)] === [2024-01-27 23:08:33,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:08:33,076 INFO L85 PathProgramCache]: Analyzing trace with hash -968668722, now seen corresponding path program 1 times [2024-01-27 23:08:33,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:08:33,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683019569] [2024-01-27 23:08:33,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:08:33,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:08:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:08:33,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:08:33,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:08:33,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683019569] [2024-01-27 23:08:33,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683019569] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:08:33,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:08:33,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:08:33,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126705078] [2024-01-27 23:08:33,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:08:33,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:08:33,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:08:33,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:08:33,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:08:33,099 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 127 [2024-01-27 23:08:33,100 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 65 transitions, 140 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) [2024-01-27 23:08:33,100 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:08:33,100 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 127 [2024-01-27 23:08:33,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:08:33,169 INFO L124 PetriNetUnfolderBase]: 64/188 cut-off events. [2024-01-27 23:08:33,170 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-01-27 23:08:33,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 349 conditions, 188 events. 64/188 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 787 event pairs, 51 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 286. Up to 108 conditions per place. [2024-01-27 23:08:33,171 INFO L140 encePairwiseOnDemand]: 123/127 looper letters, 22 selfloop transitions, 3 changer transitions 0/69 dead transitions. [2024-01-27 23:08:33,172 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 69 transitions, 200 flow [2024-01-27 23:08:33,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:08:33,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:08:33,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 281 transitions. [2024-01-27 23:08:33,173 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7375328083989501 [2024-01-27 23:08:33,173 INFO L175 Difference]: Start difference. First operand has 72 places, 65 transitions, 140 flow. Second operand 3 states and 281 transitions. [2024-01-27 23:08:33,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 69 transitions, 200 flow [2024-01-27 23:08:33,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 69 transitions, 192 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 23:08:33,175 INFO L231 Difference]: Finished difference. Result has 71 places, 64 transitions, 138 flow [2024-01-27 23:08:33,175 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=138, PETRI_PLACES=71, PETRI_TRANSITIONS=64} [2024-01-27 23:08:33,177 INFO L281 CegarLoopForPetriNet]: 131 programPoint places, -60 predicate places. [2024-01-27 23:08:33,177 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 64 transitions, 138 flow [2024-01-27 23:08:33,177 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) [2024-01-27 23:08:33,177 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:08:33,177 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 23:08:33,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-27 23:08:33,177 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 89 more)] === [2024-01-27 23:08:33,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:08:33,178 INFO L85 PathProgramCache]: Analyzing trace with hash 276100460, now seen corresponding path program 1 times [2024-01-27 23:08:33,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:08:33,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055364592] [2024-01-27 23:08:33,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:08:33,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:08:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:08:33,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:08:33,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:08:33,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055364592] [2024-01-27 23:08:33,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055364592] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:08:33,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:08:33,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:08:33,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57130911] [2024-01-27 23:08:33,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:08:33,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:08:33,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:08:33,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:08:33,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:08:33,251 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 127 [2024-01-27 23:08:33,251 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 64 transitions, 138 flow. Second operand has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 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) [2024-01-27 23:08:33,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:08:33,252 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 127 [2024-01-27 23:08:33,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:08:33,287 INFO L124 PetriNetUnfolderBase]: 64/185 cut-off events. [2024-01-27 23:08:33,287 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-01-27 23:08:33,287 INFO L83 FinitePrefix]: Finished finitePrefix Result has 345 conditions, 185 events. 64/185 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 806 event pairs, 64 based on Foata normal form. 1/112 useless extension candidates. Maximal degree in co-relation 284. Up to 129 conditions per place. [2024-01-27 23:08:33,288 INFO L140 encePairwiseOnDemand]: 122/127 looper letters, 19 selfloop transitions, 2 changer transitions 0/61 dead transitions. [2024-01-27 23:08:33,288 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 61 transitions, 174 flow [2024-01-27 23:08:33,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:08:33,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:08:33,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 270 transitions. [2024-01-27 23:08:33,289 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7086614173228346 [2024-01-27 23:08:33,289 INFO L175 Difference]: Start difference. First operand has 71 places, 64 transitions, 138 flow. Second operand 3 states and 270 transitions. [2024-01-27 23:08:33,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 61 transitions, 174 flow [2024-01-27 23:08:33,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 61 transitions, 168 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 23:08:33,291 INFO L231 Difference]: Finished difference. Result has 68 places, 61 transitions, 130 flow [2024-01-27 23:08:33,291 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=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=130, PETRI_PLACES=68, PETRI_TRANSITIONS=61} [2024-01-27 23:08:33,291 INFO L281 CegarLoopForPetriNet]: 131 programPoint places, -63 predicate places. [2024-01-27 23:08:33,291 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 61 transitions, 130 flow [2024-01-27 23:08:33,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 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) [2024-01-27 23:08:33,292 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:08:33,292 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] [2024-01-27 23:08:33,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-27 23:08:33,292 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 89 more)] === [2024-01-27 23:08:33,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:08:33,292 INFO L85 PathProgramCache]: Analyzing trace with hash 513954452, now seen corresponding path program 1 times [2024-01-27 23:08:33,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:08:33,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893973291] [2024-01-27 23:08:33,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:08:33,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:08:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:08:33,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:08:33,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:08:33,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893973291] [2024-01-27 23:08:33,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893973291] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:08:33,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:08:33,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:08:33,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716746378] [2024-01-27 23:08:33,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:08:33,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:08:33,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:08:33,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:08:33,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:08:33,375 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 127 [2024-01-27 23:08:33,375 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 61 transitions, 130 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) [2024-01-27 23:08:33,375 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:08:33,375 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 127 [2024-01-27 23:08:33,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:08:33,406 INFO L124 PetriNetUnfolderBase]: 64/184 cut-off events. [2024-01-27 23:08:33,406 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-27 23:08:33,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 337 conditions, 184 events. 64/184 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. 0/105 useless extension candidates. Maximal degree in co-relation 297. Up to 126 conditions per place. [2024-01-27 23:08:33,407 INFO L140 encePairwiseOnDemand]: 124/127 looper letters, 22 selfloop transitions, 2 changer transitions 0/60 dead transitions. [2024-01-27 23:08:33,407 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 60 transitions, 176 flow [2024-01-27 23:08:33,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:08:33,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:08:33,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions. [2024-01-27 23:08:33,408 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6640419947506562 [2024-01-27 23:08:33,408 INFO L175 Difference]: Start difference. First operand has 68 places, 61 transitions, 130 flow. Second operand 3 states and 253 transitions. [2024-01-27 23:08:33,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 60 transitions, 176 flow [2024-01-27 23:08:33,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 60 transitions, 172 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 23:08:33,409 INFO L231 Difference]: Finished difference. Result has 67 places, 60 transitions, 128 flow [2024-01-27 23:08:33,409 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} [2024-01-27 23:08:33,410 INFO L281 CegarLoopForPetriNet]: 131 programPoint places, -64 predicate places. [2024-01-27 23:08:33,410 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 60 transitions, 128 flow [2024-01-27 23:08:33,410 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) [2024-01-27 23:08:33,410 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:08:33,410 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] [2024-01-27 23:08:33,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-27 23:08:33,410 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 89 more)] === [2024-01-27 23:08:33,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:08:33,411 INFO L85 PathProgramCache]: Analyzing trace with hash -340474867, now seen corresponding path program 1 times [2024-01-27 23:08:33,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:08:33,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439218918] [2024-01-27 23:08:33,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:08:33,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:08:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:08:33,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:08:33,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:08:33,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439218918] [2024-01-27 23:08:33,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439218918] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:08:33,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:08:33,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 23:08:33,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487770253] [2024-01-27 23:08:33,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:08:33,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 23:08:33,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:08:33,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 23:08:33,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 23:08:33,553 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 127 [2024-01-27 23:08:33,553 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) [2024-01-27 23:08:33,553 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:08:33,553 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 127 [2024-01-27 23:08:33,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:08:33,609 INFO L124 PetriNetUnfolderBase]: 64/181 cut-off events. [2024-01-27 23:08:33,610 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 23:08:33,612 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. [2024-01-27 23:08:33,613 INFO L140 encePairwiseOnDemand]: 123/127 looper letters, 24 selfloop transitions, 2 changer transitions 0/65 dead transitions. [2024-01-27 23:08:33,613 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 65 transitions, 192 flow [2024-01-27 23:08:33,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 23:08:33,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 23:08:33,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 364 transitions. [2024-01-27 23:08:33,614 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7165354330708661 [2024-01-27 23:08:33,614 INFO L175 Difference]: Start difference. First operand has 67 places, 60 transitions, 128 flow. Second operand 4 states and 364 transitions. [2024-01-27 23:08:33,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 65 transitions, 192 flow [2024-01-27 23:08:33,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 65 transitions, 188 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 23:08:33,616 INFO L231 Difference]: Finished difference. Result has 66 places, 58 transitions, 124 flow [2024-01-27 23:08:33,616 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} [2024-01-27 23:08:33,617 INFO L281 CegarLoopForPetriNet]: 131 programPoint places, -65 predicate places. [2024-01-27 23:08:33,618 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 58 transitions, 124 flow [2024-01-27 23:08:33,618 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) [2024-01-27 23:08:33,618 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:08:33,618 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] [2024-01-27 23:08:33,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-27 23:08:33,618 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 89 more)] === [2024-01-27 23:08:33,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:08:33,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1964785452, now seen corresponding path program 1 times [2024-01-27 23:08:33,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:08:33,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977885967] [2024-01-27 23:08:33,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:08:33,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:08:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 23:08:33,633 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-27 23:08:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 23:08:33,675 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-27 23:08:33,675 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-27 23:08:33,676 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 92 remaining) [2024-01-27 23:08:33,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 92 remaining) [2024-01-27 23:08:33,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 92 remaining) [2024-01-27 23:08:33,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 92 remaining) [2024-01-27 23:08:33,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 92 remaining) [2024-01-27 23:08:33,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 92 remaining) [2024-01-27 23:08:33,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 92 remaining) [2024-01-27 23:08:33,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 92 remaining) [2024-01-27 23:08:33,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 92 remaining) [2024-01-27 23:08:33,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 92 remaining) [2024-01-27 23:08:33,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 92 remaining) [2024-01-27 23:08:33,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 92 remaining) [2024-01-27 23:08:33,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 92 remaining) [2024-01-27 23:08:33,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 92 remaining) [2024-01-27 23:08:33,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 92 remaining) [2024-01-27 23:08:33,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 92 remaining) [2024-01-27 23:08:33,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 92 remaining) [2024-01-27 23:08:33,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 92 remaining) [2024-01-27 23:08:33,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 92 remaining) [2024-01-27 23:08:33,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 92 remaining) [2024-01-27 23:08:33,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 92 remaining) [2024-01-27 23:08:33,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 92 remaining) [2024-01-27 23:08:33,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 92 remaining) [2024-01-27 23:08:33,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 92 remaining) [2024-01-27 23:08:33,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 92 remaining) [2024-01-27 23:08:33,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 92 remaining) [2024-01-27 23:08:33,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 92 remaining) [2024-01-27 23:08:33,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 92 remaining) [2024-01-27 23:08:33,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 92 remaining) [2024-01-27 23:08:33,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 92 remaining) [2024-01-27 23:08:33,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 92 remaining) [2024-01-27 23:08:33,686 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 92 remaining) [2024-01-27 23:08:33,686 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 92 remaining) [2024-01-27 23:08:33,686 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 92 remaining) [2024-01-27 23:08:33,686 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 92 remaining) [2024-01-27 23:08:33,686 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 92 remaining) [2024-01-27 23:08:33,686 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 92 remaining) [2024-01-27 23:08:33,686 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 92 remaining) [2024-01-27 23:08:33,686 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 92 remaining) [2024-01-27 23:08:33,687 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 92 remaining) [2024-01-27 23:08:33,687 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 92 remaining) [2024-01-27 23:08:33,687 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 92 remaining) [2024-01-27 23:08:33,687 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 92 remaining) [2024-01-27 23:08:33,687 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 92 remaining) [2024-01-27 23:08:33,687 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 92 remaining) [2024-01-27 23:08:33,687 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 92 remaining) [2024-01-27 23:08:33,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 92 remaining) [2024-01-27 23:08:33,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 92 remaining) [2024-01-27 23:08:33,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 92 remaining) [2024-01-27 23:08:33,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 92 remaining) [2024-01-27 23:08:33,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 92 remaining) [2024-01-27 23:08:33,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 92 remaining) [2024-01-27 23:08:33,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 92 remaining) [2024-01-27 23:08:33,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 92 remaining) [2024-01-27 23:08:33,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 92 remaining) [2024-01-27 23:08:33,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 92 remaining) [2024-01-27 23:08:33,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 92 remaining) [2024-01-27 23:08:33,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 92 remaining) [2024-01-27 23:08:33,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 92 remaining) [2024-01-27 23:08:33,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 92 remaining) [2024-01-27 23:08:33,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 92 remaining) [2024-01-27 23:08:33,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 92 remaining) [2024-01-27 23:08:33,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 92 remaining) [2024-01-27 23:08:33,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 92 remaining) [2024-01-27 23:08:33,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 92 remaining) [2024-01-27 23:08:33,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 92 remaining) [2024-01-27 23:08:33,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION (25 of 92 remaining) [2024-01-27 23:08:33,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 92 remaining) [2024-01-27 23:08:33,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 92 remaining) [2024-01-27 23:08:33,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 92 remaining) [2024-01-27 23:08:33,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 92 remaining) [2024-01-27 23:08:33,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 92 remaining) [2024-01-27 23:08:33,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 92 remaining) [2024-01-27 23:08:33,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 92 remaining) [2024-01-27 23:08:33,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 92 remaining) [2024-01-27 23:08:33,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 92 remaining) [2024-01-27 23:08:33,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 92 remaining) [2024-01-27 23:08:33,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 92 remaining) [2024-01-27 23:08:33,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 92 remaining) [2024-01-27 23:08:33,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 92 remaining) [2024-01-27 23:08:33,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 92 remaining) [2024-01-27 23:08:33,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 92 remaining) [2024-01-27 23:08:33,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 92 remaining) [2024-01-27 23:08:33,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 92 remaining) [2024-01-27 23:08:33,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 92 remaining) [2024-01-27 23:08:33,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 92 remaining) [2024-01-27 23:08:33,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 92 remaining) [2024-01-27 23:08:33,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 92 remaining) [2024-01-27 23:08:33,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 92 remaining) [2024-01-27 23:08:33,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 92 remaining) [2024-01-27 23:08:33,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 92 remaining) [2024-01-27 23:08:33,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 92 remaining) [2024-01-27 23:08:33,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-27 23:08:33,695 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 23:08:33,701 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-27 23:08:33,701 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-27 23:08:33,756 INFO L503 ceAbstractionStarter]: Automizer considered 65 witness invariants [2024-01-27 23:08:33,756 INFO L504 ceAbstractionStarter]: WitnessConsidered=65 [2024-01-27 23:08:33,757 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 11:08:33 BasicIcfg [2024-01-27 23:08:33,757 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-27 23:08:33,758 INFO L158 Benchmark]: Toolchain (without parser) took 2795.24ms. Allocated memory was 161.5MB in the beginning and 201.3MB in the end (delta: 39.8MB). Free memory was 127.5MB in the beginning and 149.6MB in the end (delta: -22.1MB). Peak memory consumption was 102.3MB. Max. memory is 16.1GB. [2024-01-27 23:08:33,758 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 23:08:33,759 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 161.5MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 23:08:33,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.18ms. Allocated memory is still 161.5MB. Free memory was 127.5MB in the beginning and 109.3MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-01-27 23:08:33,759 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.84ms. Allocated memory is still 161.5MB. Free memory was 109.3MB in the beginning and 107.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-27 23:08:33,764 INFO L158 Benchmark]: Boogie Preprocessor took 56.85ms. Allocated memory is still 161.5MB. Free memory was 107.2MB in the beginning and 104.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-27 23:08:33,765 INFO L158 Benchmark]: RCFGBuilder took 811.64ms. Allocated memory is still 161.5MB. Free memory was 104.4MB in the beginning and 56.5MB in the end (delta: 48.0MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2024-01-27 23:08:33,765 INFO L158 Benchmark]: TraceAbstraction took 1605.00ms. Allocated memory was 161.5MB in the beginning and 201.3MB in the end (delta: 39.8MB). Free memory was 56.5MB in the beginning and 149.6MB in the end (delta: -93.2MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2024-01-27 23:08:33,766 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 161.5MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.18ms. Allocated memory is still 161.5MB. Free memory was 127.5MB in the beginning and 109.3MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.84ms. Allocated memory is still 161.5MB. Free memory was 109.3MB in the beginning and 107.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.85ms. Allocated memory is still 161.5MB. Free memory was 107.2MB in the beginning and 104.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 811.64ms. Allocated memory is still 161.5MB. Free memory was 104.4MB in the beginning and 56.5MB in the end (delta: 48.0MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1605.00ms. Allocated memory was 161.5MB in the beginning and 201.3MB in the end (delta: 39.8MB). Free memory was 56.5MB in the beginning and 149.6MB in the end (delta: -93.2MB). Peak memory consumption was 32.7MB. 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[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[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,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[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[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[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] [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[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[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[COMPEQ,IdentifierExpression[volume_totale_1],IntegerLiteral[0]]]] [L66] 0 ora_0 = __VERIFIER_nondet_int() [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[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[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] [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[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[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[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[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[volume_totale_3],IntegerLiteral[0]]]] [L67] 0 ora_2 = __VERIFIER_nondet_int() [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[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_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[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[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] [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_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[ARITHPLUS,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_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[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[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] [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[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[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[COMPGEQ,BinaryExpression[ARITHPLUS,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[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]]]] 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[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_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]]]] [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: 1.4s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 296 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 136 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 66 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 422 IncrementalHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 66 mSolverCounterUnsat, 13 mSDtfsCounter, 422 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=260occurred in iteration=0, InterpolantAutomatonStates: 22, 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, 8 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 270 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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! [2024-01-27 23:08:33,801 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