./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 a340643f 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-a340643-m [2024-01-27 14:50:58,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 14:50:58,533 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 14:50:58,537 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 14:50:58,538 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 14:50:58,558 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 14:50:58,559 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 14:50:58,559 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 14:50:58,559 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 14:50:58,562 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 14:50:58,563 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 14:50:58,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 14:50:58,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 14:50:58,564 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 14:50:58,565 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 14:50:58,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 14:50:58,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 14:50:58,565 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 14:50:58,565 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 14:50:58,565 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 14:50:58,566 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 14:50:58,566 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 14:50:58,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 14:50:58,566 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 14:50:58,567 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 14:50:58,567 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 14:50:58,567 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 14:50:58,567 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 14:50:58,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 14:50:58,568 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 14:50:58,569 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 14:50:58,569 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 14:50:58,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:50:58,569 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 14:50:58,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 14:50:58,569 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 14:50:58,569 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 14:50:58,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 14:50:58,570 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 14:50:58,570 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 14:50:58,570 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 14:50:58,570 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 14:50:58,570 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 14:50:58,571 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 14:50:58,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 14:50:58,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 14:50:58,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 14:50:58,799 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 14:50:58,800 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 14:50:58,800 INFO L431 ainManager$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 14:50:58,915 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 14:50:58,915 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 14:50:58,916 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-time-symm.wvr.c [2024-01-27 14:50:59,834 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 14:51:00,004 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 14:51:00,005 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-symm.wvr.c [2024-01-27 14:51:00,012 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc3efe521/0156fd377b1b4fc49b0b44aaf20650f2/FLAG664578a1a [2024-01-27 14:51:00,021 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc3efe521/0156fd377b1b4fc49b0b44aaf20650f2 [2024-01-27 14:51:00,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 14:51:00,022 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 14:51:00,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 14:51:00,024 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 14:51:00,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 14:51:00,028 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:50:58" (1/2) ... [2024-01-27 14:51:00,029 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@255f12ea and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:51:00, skipping insertion in model container [2024-01-27 14:51:00,029 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:50:58" (1/2) ... [2024-01-27 14:51:00,031 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5309c647 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:51:00, skipping insertion in model container [2024-01-27 14:51:00,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:51:00" (2/2) ... [2024-01-27 14:51:00,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@255f12ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:00, skipping insertion in model container [2024-01-27 14:51:00,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:51:00" (2/2) ... [2024-01-27 14:51:00,032 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 14:51:00,046 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 14:51:00,047 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] ora_2 == 0 [2024-01-27 14:51:00,047 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (0LL - (long long )cmp_4) - (long long )cmp_5 >= 0LL [2024-01-27 14:51:00,047 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] cmp_4 == 0 [2024-01-27 14:51:00,047 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] ora_0 == 0 [2024-01-27 14:51:00,048 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] volume_totale_3 == 0 [2024-01-27 14:51:00,048 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (long long )cmp_4 + (long long )cmp_5 >= 0LL [2024-01-27 14:51:00,048 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] cmp_5 == 0 [2024-01-27 14:51:00,048 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (0LL - (long long )cmp_4) + (long long )cmp_5 >= 0LL [2024-01-27 14:51:00,048 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (long long )cmp_4 - (long long )cmp_5 >= 0LL [2024-01-27 14:51:00,048 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] volume_totale_1 == 0 [2024-01-27 14:51:00,048 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] cmp_5 == 0 [2024-01-27 14:51:00,049 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-01-27 14:51:00,049 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] volume_totale_1 == 0 [2024-01-27 14:51:00,049 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (long long )cmp_4 - (long long )cmp_5 >= 0LL [2024-01-27 14:51:00,049 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] cmp_4 == 0 [2024-01-27 14:51:00,049 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] cmp_5 == 0 [2024-01-27 14:51:00,049 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (long long )cmp_4 + (long long )cmp_5 >= 0LL [2024-01-27 14:51:00,049 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (0LL - (long long )cmp_4) - (long long )cmp_5 >= 0LL [2024-01-27 14:51:00,049 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (0LL - (long long )cmp_4) + (long long )cmp_5 >= 0LL [2024-01-27 14:51:00,050 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] volume_totale_3 == 0 [2024-01-27 14:51:00,050 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-27 14:51:00,050 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] b <= -1 [2024-01-27 14:51:00,050 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] b != 0 [2024-01-27 14:51:00,050 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-01-27 14:51:00,050 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (0LL - (long long )cmp_4) - (long long )cmp_5 >= 0LL [2024-01-27 14:51:00,050 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (long long )cmp_4 + (long long )cmp_5 >= 0LL [2024-01-27 14:51:00,051 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (0LL - (long long )cmp_4) + (long long )cmp_5 >= 0LL [2024-01-27 14:51:00,051 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] cmp_5 == 0 [2024-01-27 14:51:00,051 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (long long )cmp_4 - (long long )cmp_5 >= 0LL [2024-01-27 14:51:00,051 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] volume_totale_3 == 0 [2024-01-27 14:51:00,051 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] cmp_4 == 0 [2024-01-27 14:51:00,051 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-27 14:51:00,051 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-27 14:51:00,051 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (0LL - (long long )cmp_4) - (long long )cmp_5 >= 0LL [2024-01-27 14:51:00,052 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] cmp_5 == 0 [2024-01-27 14:51:00,052 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (long long )cmp_4 + (long long )cmp_5 >= 0LL [2024-01-27 14:51:00,052 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (0LL - (long long )cmp_4) + (long long )cmp_5 >= 0LL [2024-01-27 14:51:00,052 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] cmp_4 == 0 [2024-01-27 14:51:00,052 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (long long )cmp_4 - (long long )cmp_5 >= 0LL [2024-01-27 14:51:00,052 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] 1 <= b [2024-01-27 14:51:00,052 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] b != 0 [2024-01-27 14:51:00,052 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] (unsigned long )_argptr == 0UL [2024-01-27 14:51:00,053 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] cmp_5 == 0 [2024-01-27 14:51:00,053 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-01-27 14:51:00,053 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-27 14:51:00,053 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (long long )cmp_4 - (long long )cmp_5 >= 0LL [2024-01-27 14:51:00,053 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] cmp_4 == 0 [2024-01-27 14:51:00,053 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (0LL - (long long )cmp_4) - (long long )cmp_5 >= 0LL [2024-01-27 14:51:00,053 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (0LL - (long long )cmp_4) + (long long )cmp_5 >= 0LL [2024-01-27 14:51:00,054 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] ora_2 == 0 [2024-01-27 14:51:00,054 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] volume_totale_1 == 0 [2024-01-27 14:51:00,054 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] cmp_5 == 0 [2024-01-27 14:51:00,054 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] volume_totale_3 == 0 [2024-01-27 14:51:00,054 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (long long )cmp_4 + (long long )cmp_5 >= 0LL [2024-01-27 14:51:00,069 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 14:51:00,205 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 14:51:00,215 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:51:00,228 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 14:51:00,238 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 14:51:00,312 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 14:51:00,318 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:51:00,340 INFO L206 MainTranslator]: Completed translation [2024-01-27 14:51:00,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:00 WrapperNode [2024-01-27 14:51:00,340 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 14:51:00,341 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 14:51:00,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 14:51:00,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 14:51:00,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:00" (1/1) ... [2024-01-27 14:51:00,353 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:00" (1/1) ... [2024-01-27 14:51:00,373 INFO L138 Inliner]: procedures = 22, calls = 29, calls flagged for inlining = 9, calls inlined = 15, statements flattened = 220 [2024-01-27 14:51:00,374 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 14:51:00,374 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 14:51:00,374 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 14:51:00,375 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 14:51:00,382 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:00" (1/1) ... [2024-01-27 14:51:00,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:00" (1/1) ... [2024-01-27 14:51:00,385 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:00" (1/1) ... [2024-01-27 14:51:00,402 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 14:51:00,402 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:00" (1/1) ... [2024-01-27 14:51:00,402 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:00" (1/1) ... [2024-01-27 14:51:00,407 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:00" (1/1) ... [2024-01-27 14:51:00,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:00" (1/1) ... [2024-01-27 14:51:00,418 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:00" (1/1) ... [2024-01-27 14:51:00,419 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:00" (1/1) ... [2024-01-27 14:51:00,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 14:51:00,421 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 14:51:00,422 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 14:51:00,422 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 14:51:00,422 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:00" (1/1) ... [2024-01-27 14:51:00,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:51:00,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 14:51:00,465 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 14:51:00,467 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 14:51:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 14:51:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-27 14:51:00,500 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-27 14:51:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-27 14:51:00,500 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-27 14:51:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 14:51:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 14:51:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 14:51:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 14:51:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 14:51:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 14:51:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 14:51:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-27 14:51:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-27 14:51:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 14:51:00,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 14:51:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 14:51:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 14:51:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 14:51:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 14:51:00,502 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 14:51:00,578 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 14:51:00,580 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 14:51:00,933 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 14:51:00,934 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 14:51:01,258 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 14:51:01,259 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-27 14:51:01,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:51:01 BoogieIcfgContainer [2024-01-27 14:51:01,260 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 14:51:01,263 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 14:51:01,263 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 14:51:01,265 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 14:51:01,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:50:58" (1/4) ... [2024-01-27 14:51:01,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc3f8dc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 02:51:01, skipping insertion in model container [2024-01-27 14:51:01,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 02:51:00" (2/4) ... [2024-01-27 14:51:01,267 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc3f8dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:51:01, skipping insertion in model container [2024-01-27 14:51:01,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:51:00" (3/4) ... [2024-01-27 14:51:01,268 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc3f8dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:51:01, skipping insertion in model container [2024-01-27 14:51:01,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:51:01" (4/4) ... [2024-01-27 14:51:01,269 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-symm.wvr.c [2024-01-27 14:51:01,284 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 14:51:01,285 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 66 error locations. [2024-01-27 14:51:01,285 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 14:51:01,346 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-27 14:51:01,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 134 places, 127 transitions, 268 flow [2024-01-27 14:51:01,422 INFO L124 PetriNetUnfolderBase]: 0/125 cut-off events. [2024-01-27 14:51:01,423 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-27 14:51:01,425 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 14:51:01,425 INFO L82 GeneralOperation]: Start removeDead. Operand has 134 places, 127 transitions, 268 flow [2024-01-27 14:51:01,430 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 131 places, 124 transitions, 260 flow [2024-01-27 14:51:01,441 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 14:51:01,447 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;@5f7318d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 14:51:01,447 INFO L358 AbstractCegarLoop]: Starting to check reachability of 92 error locations. [2024-01-27 14:51:01,449 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 14:51:01,449 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 14:51:01,449 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 14:51:01,449 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:51:01,450 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 14:51:01,450 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 14:51:01,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:51:01,453 INFO L85 PathProgramCache]: Analyzing trace with hash 23542, now seen corresponding path program 1 times [2024-01-27 14:51:01,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:51:01,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500567127] [2024-01-27 14:51:01,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:51:01,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:51:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:51:01,675 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 14:51:01,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:51:01,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500567127] [2024-01-27 14:51:01,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500567127] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:51:01,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:51:01,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:51:01,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195499192] [2024-01-27 14:51:01,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:51:01,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:51:01,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:51:01,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:51:01,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:51:01,726 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 127 [2024-01-27 14:51:01,728 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 124 transitions, 260 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 14:51:01,728 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:51:01,728 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 127 [2024-01-27 14:51:01,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:51:01,832 INFO L124 PetriNetUnfolderBase]: 64/222 cut-off events. [2024-01-27 14:51:01,833 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 14:51:01,835 INFO L83 FinitePrefix]: Finished finitePrefix Result has 371 conditions, 222 events. 64/222 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 850 event pairs, 64 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 274. Up to 129 conditions per place. [2024-01-27 14:51:01,838 INFO L140 encePairwiseOnDemand]: 108/127 looper letters, 19 selfloop transitions, 2 changer transitions 0/98 dead transitions. [2024-01-27 14:51:01,838 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 98 transitions, 244 flow [2024-01-27 14:51:01,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:51:01,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:51:01,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 284 transitions. [2024-01-27 14:51:01,856 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7454068241469817 [2024-01-27 14:51:01,862 INFO L175 Difference]: Start difference. First operand has 131 places, 124 transitions, 260 flow. Second operand 3 states and 284 transitions. [2024-01-27 14:51:01,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 98 transitions, 244 flow [2024-01-27 14:51:01,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 98 transitions, 242 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:51:01,869 INFO L231 Difference]: Finished difference. Result has 105 places, 98 transitions, 204 flow [2024-01-27 14:51:01,870 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=105, PETRI_TRANSITIONS=98} [2024-01-27 14:51:01,874 INFO L281 CegarLoopForPetriNet]: 131 programPoint places, -26 predicate places. [2024-01-27 14:51:01,874 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 98 transitions, 204 flow [2024-01-27 14:51:01,875 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 14:51:01,875 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:51:01,875 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-27 14:51:01,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-27 14:51:01,875 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 89 more)] === [2024-01-27 14:51:01,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:51:01,876 INFO L85 PathProgramCache]: Analyzing trace with hash 730542, now seen corresponding path program 1 times [2024-01-27 14:51:01,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:51:01,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845297194] [2024-01-27 14:51:01,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:51:01,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:51:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:51:01,961 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 14:51:01,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:51:01,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845297194] [2024-01-27 14:51:01,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845297194] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:51:01,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:51:01,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:51:01,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33151800] [2024-01-27 14:51:01,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:51:01,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:51:01,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:51:01,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:51:01,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:51:02,050 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 127 [2024-01-27 14:51:02,050 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 98 transitions, 204 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 14:51:02,050 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:51:02,050 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 127 [2024-01-27 14:51:02,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:51:02,095 INFO L124 PetriNetUnfolderBase]: 64/192 cut-off events. [2024-01-27 14:51:02,095 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-27 14:51:02,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 341 conditions, 192 events. 64/192 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 818 event pairs, 64 based on Foata normal form. 27/133 useless extension candidates. Maximal degree in co-relation 298. Up to 128 conditions per place. [2024-01-27 14:51:02,096 INFO L140 encePairwiseOnDemand]: 95/127 looper letters, 18 selfloop transitions, 2 changer transitions 0/68 dead transitions. [2024-01-27 14:51:02,096 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 68 transitions, 184 flow [2024-01-27 14:51:02,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:51:02,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:51:02,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 218 transitions. [2024-01-27 14:51:02,098 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5721784776902887 [2024-01-27 14:51:02,098 INFO L175 Difference]: Start difference. First operand has 105 places, 98 transitions, 204 flow. Second operand 3 states and 218 transitions. [2024-01-27 14:51:02,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 68 transitions, 184 flow [2024-01-27 14:51:02,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 68 transitions, 180 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:51:02,099 INFO L231 Difference]: Finished difference. Result has 75 places, 68 transitions, 144 flow [2024-01-27 14:51:02,099 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=144, PETRI_PLACES=75, PETRI_TRANSITIONS=68} [2024-01-27 14:51:02,100 INFO L281 CegarLoopForPetriNet]: 131 programPoint places, -56 predicate places. [2024-01-27 14:51:02,100 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 68 transitions, 144 flow [2024-01-27 14:51:02,100 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 14:51:02,100 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:51:02,100 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:51:02,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-27 14:51:02,101 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 14:51:02,101 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:51:02,101 INFO L85 PathProgramCache]: Analyzing trace with hash 384394594, now seen corresponding path program 1 times [2024-01-27 14:51:02,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:51:02,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82739712] [2024-01-27 14:51:02,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:51:02,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:51:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:51:02,123 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 14:51:02,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:51:02,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82739712] [2024-01-27 14:51:02,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82739712] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:51:02,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:51:02,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:51:02,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018815107] [2024-01-27 14:51:02,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:51:02,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:51:02,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:51:02,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:51:02,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:51:02,131 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 127 [2024-01-27 14:51:02,132 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 68 transitions, 144 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:51:02,132 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:51:02,132 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 127 [2024-01-27 14:51:02,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:51:02,189 INFO L124 PetriNetUnfolderBase]: 64/188 cut-off events. [2024-01-27 14:51:02,190 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-27 14:51:02,190 INFO L83 FinitePrefix]: Finished finitePrefix Result has 340 conditions, 188 events. 64/188 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 813 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 14:51:02,191 INFO L140 encePairwiseOnDemand]: 121/127 looper letters, 21 selfloop transitions, 2 changer transitions 0/64 dead transitions. [2024-01-27 14:51:02,191 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 64 transitions, 182 flow [2024-01-27 14:51:02,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:51:02,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:51:02,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 264 transitions. [2024-01-27 14:51:02,192 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6929133858267716 [2024-01-27 14:51:02,192 INFO L175 Difference]: Start difference. First operand has 75 places, 68 transitions, 144 flow. Second operand 3 states and 264 transitions. [2024-01-27 14:51:02,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 64 transitions, 182 flow [2024-01-27 14:51:02,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 64 transitions, 178 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:51:02,193 INFO L231 Difference]: Finished difference. Result has 71 places, 64 transitions, 136 flow [2024-01-27 14:51:02,194 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=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=136, PETRI_PLACES=71, PETRI_TRANSITIONS=64} [2024-01-27 14:51:02,194 INFO L281 CegarLoopForPetriNet]: 131 programPoint places, -60 predicate places. [2024-01-27 14:51:02,194 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 64 transitions, 136 flow [2024-01-27 14:51:02,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:51:02,195 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:51:02,195 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:51:02,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-27 14:51:02,195 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 14:51:02,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:51:02,195 INFO L85 PathProgramCache]: Analyzing trace with hash -968668722, now seen corresponding path program 1 times [2024-01-27 14:51:02,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:51:02,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088049264] [2024-01-27 14:51:02,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:51:02,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:51:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:51:02,235 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 14:51:02,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:51:02,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088049264] [2024-01-27 14:51:02,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088049264] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:51:02,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:51:02,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:51:02,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472558695] [2024-01-27 14:51:02,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:51:02,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:51:02,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:51:02,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:51:02,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:51:02,239 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 127 [2024-01-27 14:51:02,239 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 64 transitions, 136 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 14:51:02,239 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:51:02,239 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 127 [2024-01-27 14:51:02,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:51:02,339 INFO L124 PetriNetUnfolderBase]: 64/187 cut-off events. [2024-01-27 14:51:02,340 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-27 14:51:02,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 336 conditions, 187 events. 64/187 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 790 event pairs, 51 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 288. Up to 108 conditions per place. [2024-01-27 14:51:02,341 INFO L140 encePairwiseOnDemand]: 123/127 looper letters, 22 selfloop transitions, 3 changer transitions 0/68 dead transitions. [2024-01-27 14:51:02,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 68 transitions, 194 flow [2024-01-27 14:51:02,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:51:02,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:51:02,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 281 transitions. [2024-01-27 14:51:02,343 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7375328083989501 [2024-01-27 14:51:02,343 INFO L175 Difference]: Start difference. First operand has 71 places, 64 transitions, 136 flow. Second operand 3 states and 281 transitions. [2024-01-27 14:51:02,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 68 transitions, 194 flow [2024-01-27 14:51:02,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 68 transitions, 190 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:51:02,344 INFO L231 Difference]: Finished difference. Result has 70 places, 63 transitions, 136 flow [2024-01-27 14:51:02,345 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=136, PETRI_PLACES=70, PETRI_TRANSITIONS=63} [2024-01-27 14:51:02,345 INFO L281 CegarLoopForPetriNet]: 131 programPoint places, -61 predicate places. [2024-01-27 14:51:02,345 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 63 transitions, 136 flow [2024-01-27 14:51:02,346 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 14:51:02,346 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:51:02,346 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:51:02,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-27 14:51:02,346 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 14:51:02,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:51:02,347 INFO L85 PathProgramCache]: Analyzing trace with hash 276100460, now seen corresponding path program 1 times [2024-01-27 14:51:02,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:51:02,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757346462] [2024-01-27 14:51:02,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:51:02,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:51:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:51:02,386 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 14:51:02,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:51:02,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757346462] [2024-01-27 14:51:02,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757346462] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:51:02,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:51:02,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:51:02,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125379082] [2024-01-27 14:51:02,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:51:02,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:51:02,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:51:02,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:51:02,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:51:02,391 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 127 [2024-01-27 14:51:02,391 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 63 transitions, 136 flow. Second operand has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:51:02,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:51:02,392 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 127 [2024-01-27 14:51:02,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:51:02,436 INFO L124 PetriNetUnfolderBase]: 64/182 cut-off events. [2024-01-27 14:51:02,436 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-01-27 14:51:02,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 341 conditions, 182 events. 64/182 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 738 event pairs, 49 based on Foata normal form. 1/112 useless extension candidates. Maximal degree in co-relation 281. Up to 103 conditions per place. [2024-01-27 14:51:02,437 INFO L140 encePairwiseOnDemand]: 122/127 looper letters, 24 selfloop transitions, 3 changer transitions 0/68 dead transitions. [2024-01-27 14:51:02,437 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 68 transitions, 204 flow [2024-01-27 14:51:02,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:51:02,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:51:02,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 281 transitions. [2024-01-27 14:51:02,439 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7375328083989501 [2024-01-27 14:51:02,439 INFO L175 Difference]: Start difference. First operand has 70 places, 63 transitions, 136 flow. Second operand 3 states and 281 transitions. [2024-01-27 14:51:02,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 68 transitions, 204 flow [2024-01-27 14:51:02,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 68 transitions, 196 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:51:02,440 INFO L231 Difference]: Finished difference. Result has 68 places, 61 transitions, 132 flow [2024-01-27 14:51:02,440 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=132, PETRI_PLACES=68, PETRI_TRANSITIONS=61} [2024-01-27 14:51:02,441 INFO L281 CegarLoopForPetriNet]: 131 programPoint places, -63 predicate places. [2024-01-27 14:51:02,441 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 61 transitions, 132 flow [2024-01-27 14:51:02,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:51:02,441 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:51:02,441 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 14:51:02,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-27 14:51:02,442 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 14:51:02,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:51:02,442 INFO L85 PathProgramCache]: Analyzing trace with hash 513954452, now seen corresponding path program 1 times [2024-01-27 14:51:02,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:51:02,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486268667] [2024-01-27 14:51:02,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:51:02,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:51:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:51:02,479 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 14:51:02,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:51:02,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486268667] [2024-01-27 14:51:02,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486268667] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:51:02,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:51:02,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:51:02,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836451027] [2024-01-27 14:51:02,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:51:02,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:51:02,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:51:02,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:51:02,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:51:02,533 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 127 [2024-01-27 14:51:02,534 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 61 transitions, 132 flow. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:51:02,534 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:51:02,534 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 127 [2024-01-27 14:51:02,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:51:02,570 INFO L124 PetriNetUnfolderBase]: 64/184 cut-off events. [2024-01-27 14:51:02,571 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-01-27 14:51:02,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 349 conditions, 184 events. 64/184 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 821 event pairs, 64 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 286. Up to 126 conditions per place. [2024-01-27 14:51:02,572 INFO L140 encePairwiseOnDemand]: 124/127 looper letters, 22 selfloop transitions, 2 changer transitions 0/60 dead transitions. [2024-01-27 14:51:02,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 60 transitions, 178 flow [2024-01-27 14:51:02,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:51:02,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:51:02,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions. [2024-01-27 14:51:02,573 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6640419947506562 [2024-01-27 14:51:02,573 INFO L175 Difference]: Start difference. First operand has 68 places, 61 transitions, 132 flow. Second operand 3 states and 253 transitions. [2024-01-27 14:51:02,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 60 transitions, 178 flow [2024-01-27 14:51:02,574 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 14:51:02,574 INFO L231 Difference]: Finished difference. Result has 67 places, 60 transitions, 128 flow [2024-01-27 14:51:02,574 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 14:51:02,575 INFO L281 CegarLoopForPetriNet]: 131 programPoint places, -64 predicate places. [2024-01-27 14:51:02,575 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 60 transitions, 128 flow [2024-01-27 14:51:02,575 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 14:51:02,575 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:51:02,575 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 14:51:02,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-27 14:51:02,576 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 89 more)] === [2024-01-27 14:51:02,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:51:02,576 INFO L85 PathProgramCache]: Analyzing trace with hash -340474867, now seen corresponding path program 1 times [2024-01-27 14:51:02,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:51:02,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909072562] [2024-01-27 14:51:02,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:51:02,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:51:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:51:02,691 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 14:51:02,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:51:02,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909072562] [2024-01-27 14:51:02,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909072562] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:51:02,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:51:02,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 14:51:02,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464470196] [2024-01-27 14:51:02,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:51:02,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:51:02,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:51:02,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:51:02,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:51:02,704 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 127 [2024-01-27 14:51:02,704 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 14:51:02,704 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:51:02,704 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 127 [2024-01-27 14:51:02,704 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:51:02,755 INFO L124 PetriNetUnfolderBase]: 64/181 cut-off events. [2024-01-27 14:51:02,755 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 14:51:02,757 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 14:51:02,758 INFO L140 encePairwiseOnDemand]: 123/127 looper letters, 24 selfloop transitions, 2 changer transitions 0/65 dead transitions. [2024-01-27 14:51:02,758 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 65 transitions, 192 flow [2024-01-27 14:51:02,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 14:51:02,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 14:51:02,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 364 transitions. [2024-01-27 14:51:02,759 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7165354330708661 [2024-01-27 14:51:02,759 INFO L175 Difference]: Start difference. First operand has 67 places, 60 transitions, 128 flow. Second operand 4 states and 364 transitions. [2024-01-27 14:51:02,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 65 transitions, 192 flow [2024-01-27 14:51:02,760 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 14:51:02,761 INFO L231 Difference]: Finished difference. Result has 66 places, 58 transitions, 124 flow [2024-01-27 14:51:02,761 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 14:51:02,762 INFO L281 CegarLoopForPetriNet]: 131 programPoint places, -65 predicate places. [2024-01-27 14:51:02,762 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 58 transitions, 124 flow [2024-01-27 14:51:02,762 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 14:51:02,762 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:51:02,763 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 14:51:02,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-27 14:51:02,763 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 89 more)] === [2024-01-27 14:51:02,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:51:02,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1964785452, now seen corresponding path program 1 times [2024-01-27 14:51:02,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:51:02,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793061327] [2024-01-27 14:51:02,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:51:02,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:51:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 14:51:02,779 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-27 14:51:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 14:51:02,807 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-27 14:51:02,808 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-27 14:51:02,808 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 92 remaining) [2024-01-27 14:51:02,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 92 remaining) [2024-01-27 14:51:02,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 92 remaining) [2024-01-27 14:51:02,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 92 remaining) [2024-01-27 14:51:02,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 92 remaining) [2024-01-27 14:51:02,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 92 remaining) [2024-01-27 14:51:02,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 92 remaining) [2024-01-27 14:51:02,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 92 remaining) [2024-01-27 14:51:02,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 92 remaining) [2024-01-27 14:51:02,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 92 remaining) [2024-01-27 14:51:02,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 92 remaining) [2024-01-27 14:51:02,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 92 remaining) [2024-01-27 14:51:02,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 92 remaining) [2024-01-27 14:51:02,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 92 remaining) [2024-01-27 14:51:02,812 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 92 remaining) [2024-01-27 14:51:02,812 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 92 remaining) [2024-01-27 14:51:02,812 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 92 remaining) [2024-01-27 14:51:02,812 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 92 remaining) [2024-01-27 14:51:02,813 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 92 remaining) [2024-01-27 14:51:02,813 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 92 remaining) [2024-01-27 14:51:02,815 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 92 remaining) [2024-01-27 14:51:02,816 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 92 remaining) [2024-01-27 14:51:02,816 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 92 remaining) [2024-01-27 14:51:02,816 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 92 remaining) [2024-01-27 14:51:02,816 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 92 remaining) [2024-01-27 14:51:02,816 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 92 remaining) [2024-01-27 14:51:02,816 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 92 remaining) [2024-01-27 14:51:02,816 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 92 remaining) [2024-01-27 14:51:02,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 92 remaining) [2024-01-27 14:51:02,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 92 remaining) [2024-01-27 14:51:02,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 92 remaining) [2024-01-27 14:51:02,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 92 remaining) [2024-01-27 14:51:02,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 92 remaining) [2024-01-27 14:51:02,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 92 remaining) [2024-01-27 14:51:02,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 92 remaining) [2024-01-27 14:51:02,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 92 remaining) [2024-01-27 14:51:02,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 92 remaining) [2024-01-27 14:51:02,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 92 remaining) [2024-01-27 14:51:02,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 92 remaining) [2024-01-27 14:51:02,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 92 remaining) [2024-01-27 14:51:02,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 92 remaining) [2024-01-27 14:51:02,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 92 remaining) [2024-01-27 14:51:02,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 92 remaining) [2024-01-27 14:51:02,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 92 remaining) [2024-01-27 14:51:02,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 92 remaining) [2024-01-27 14:51:02,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 92 remaining) [2024-01-27 14:51:02,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 92 remaining) [2024-01-27 14:51:02,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 92 remaining) [2024-01-27 14:51:02,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 92 remaining) [2024-01-27 14:51:02,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 92 remaining) [2024-01-27 14:51:02,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 92 remaining) [2024-01-27 14:51:02,821 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 92 remaining) [2024-01-27 14:51:02,821 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 92 remaining) [2024-01-27 14:51:02,821 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 92 remaining) [2024-01-27 14:51:02,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 92 remaining) [2024-01-27 14:51:02,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 92 remaining) [2024-01-27 14:51:02,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 92 remaining) [2024-01-27 14:51:02,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 92 remaining) [2024-01-27 14:51:02,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 92 remaining) [2024-01-27 14:51:02,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 92 remaining) [2024-01-27 14:51:02,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 92 remaining) [2024-01-27 14:51:02,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 92 remaining) [2024-01-27 14:51:02,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 92 remaining) [2024-01-27 14:51:02,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 92 remaining) [2024-01-27 14:51:02,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 92 remaining) [2024-01-27 14:51:02,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 92 remaining) [2024-01-27 14:51:02,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION (25 of 92 remaining) [2024-01-27 14:51:02,823 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 92 remaining) [2024-01-27 14:51:02,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 92 remaining) [2024-01-27 14:51:02,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 92 remaining) [2024-01-27 14:51:02,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 92 remaining) [2024-01-27 14:51:02,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 92 remaining) [2024-01-27 14:51:02,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 92 remaining) [2024-01-27 14:51:02,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 92 remaining) [2024-01-27 14:51:02,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 92 remaining) [2024-01-27 14:51:02,824 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 92 remaining) [2024-01-27 14:51:02,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 92 remaining) [2024-01-27 14:51:02,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 92 remaining) [2024-01-27 14:51:02,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 92 remaining) [2024-01-27 14:51:02,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 92 remaining) [2024-01-27 14:51:02,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 92 remaining) [2024-01-27 14:51:02,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 92 remaining) [2024-01-27 14:51:02,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 92 remaining) [2024-01-27 14:51:02,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 92 remaining) [2024-01-27 14:51:02,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 92 remaining) [2024-01-27 14:51:02,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 92 remaining) [2024-01-27 14:51:02,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 92 remaining) [2024-01-27 14:51:02,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 92 remaining) [2024-01-27 14:51:02,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 92 remaining) [2024-01-27 14:51:02,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 92 remaining) [2024-01-27 14:51:02,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 92 remaining) [2024-01-27 14:51:02,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 92 remaining) [2024-01-27 14:51:02,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-27 14:51:02,827 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:51:02,833 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-27 14:51:02,833 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-27 14:51:02,895 INFO L503 ceAbstractionStarter]: Automizer considered 65 witness invariants [2024-01-27 14:51:02,896 INFO L504 ceAbstractionStarter]: WitnessConsidered=65 [2024-01-27 14:51:02,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 02:51:02 BasicIcfg [2024-01-27 14:51:02,896 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-27 14:51:02,897 INFO L158 Benchmark]: Toolchain (without parser) took 2874.73ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 136.7MB in the beginning and 200.3MB in the end (delta: -63.7MB). Peak memory consumption was 121.6MB. Max. memory is 16.1GB. [2024-01-27 14:51:02,897 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 104.9MB. Free memory was 67.3MB in the beginning and 67.2MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:51:02,897 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 163.6MB. Free memory was 136.4MB in the beginning and 136.3MB in the end (delta: 128.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:51:02,898 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.56ms. Allocated memory is still 163.6MB. Free memory was 136.1MB in the beginning and 118.5MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-01-27 14:51:02,898 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.57ms. Allocated memory is still 163.6MB. Free memory was 118.5MB in the beginning and 115.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-27 14:51:02,898 INFO L158 Benchmark]: Boogie Preprocessor took 46.63ms. Allocated memory is still 163.6MB. Free memory was 115.9MB in the beginning and 113.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-27 14:51:02,898 INFO L158 Benchmark]: RCFGBuilder took 838.94ms. Allocated memory is still 163.6MB. Free memory was 113.2MB in the beginning and 95.5MB in the end (delta: 17.7MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. [2024-01-27 14:51:02,899 INFO L158 Benchmark]: TraceAbstraction took 1633.93ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 94.6MB in the beginning and 200.3MB in the end (delta: -105.7MB). Peak memory consumption was 80.6MB. Max. memory is 16.1GB. [2024-01-27 14:51:02,900 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 104.9MB. Free memory was 67.3MB in the beginning and 67.2MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 163.6MB. Free memory was 136.4MB in the beginning and 136.3MB in the end (delta: 128.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.56ms. Allocated memory is still 163.6MB. Free memory was 136.1MB in the beginning and 118.5MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.57ms. Allocated memory is still 163.6MB. Free memory was 118.5MB in the beginning and 115.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.63ms. Allocated memory is still 163.6MB. Free memory was 115.9MB in the beginning and 113.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 838.94ms. Allocated memory is still 163.6MB. Free memory was 113.2MB in the beginning and 95.5MB in the end (delta: 17.7MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1633.93ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 94.6MB in the beginning and 200.3MB in the end (delta: -105.7MB). Peak memory consumption was 80.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 86]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] 0 int ora_0, ora_2; [L39] 0 int volume_totale_1, volume_totale_3; [L40] 0 int cmp_4, cmp_5; [L63] 0 pthread_t t1, t2; VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L66] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_1],IntegerLiteral[0]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L66] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L66] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[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_5],IntegerLiteral[0]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L66] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L66] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_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_0],IntegerLiteral[0]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L66] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[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[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[COMPEQ,IdentifierExpression[ora_2],IntegerLiteral[0]]]] [L66] 0 ora_0 = __VERIFIER_nondet_int() [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[COMPEQ,IdentifierExpression[volume_totale_3],IntegerLiteral[0]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L67] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[cmp_5],IntegerLiteral[0]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L67] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[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[ora_2],IntegerLiteral[0]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L67] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L67] 0 CodeAnnotStmt[Assertion[BinaryExpression[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[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] [L67] 0 ora_2 = __VERIFIER_nondet_int() [L68] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_3],IntegerLiteral[0]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L68] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,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[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[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L68] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[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[cmp_4],IntegerLiteral[0]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L68] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L68] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_1],IntegerLiteral[0]]]] [L68] 0 volume_totale_1 = __VERIFIER_nondet_int() [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[cmp_4],IntegerLiteral[0]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[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[COMPEQ,IdentifierExpression[cmp_5],IntegerLiteral[0]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] VAL [cmp_4=0, cmp_5=0, ora_0=0, ora_2=0, t1={3:0}, t2={5:0}, volume_totale_1=0, volume_totale_3=0] [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]]] [L69] 0 volume_totale_3 = __VERIFIER_nondet_int() [L70] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,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[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[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[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]]]] [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: 1.5s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 353 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 138 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 66 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 449 IncrementalHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 66 mSolverCounterUnsat, 63 mSDtfsCounter, 449 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, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 265 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 14:51:02,933 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