./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 3d25acf6 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-3d25acf-m [2024-01-30 14:23:41,376 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-30 14:23:41,441 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-30 14:23:41,446 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-30 14:23:41,446 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-30 14:23:41,471 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-30 14:23:41,471 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-30 14:23:41,472 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-30 14:23:41,472 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-30 14:23:41,475 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-30 14:23:41,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-30 14:23:41,476 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-30 14:23:41,476 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-30 14:23:41,477 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-30 14:23:41,477 INFO L153 SettingsManager]: * Use SBE=true [2024-01-30 14:23:41,478 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-30 14:23:41,478 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-30 14:23:41,478 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-30 14:23:41,478 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-30 14:23:41,478 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-30 14:23:41,479 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-30 14:23:41,479 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-30 14:23:41,479 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-30 14:23:41,479 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-30 14:23:41,479 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-30 14:23:41,480 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-30 14:23:41,480 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-30 14:23:41,480 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-30 14:23:41,480 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-30 14:23:41,481 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-30 14:23:41,482 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-30 14:23:41,482 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-30 14:23:41,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:23:41,482 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-30 14:23:41,482 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-30 14:23:41,482 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-30 14:23:41,483 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-30 14:23:41,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-30 14:23:41,483 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-30 14:23:41,483 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-30 14:23:41,483 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-30 14:23:41,483 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-30 14:23:41,483 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-30 14:23:41,484 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-30 14:23:41,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-30 14:23:41,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-30 14:23:41,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-30 14:23:41,722 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-30 14:23:41,722 INFO L274 PluginConnector]: CDTParser initialized [2024-01-30 14:23:41,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-time-symm.wvr.c [2024-01-30 14:23:42,649 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-30 14:23:42,783 INFO L384 CDTParser]: Found 1 translation units. [2024-01-30 14:23:42,784 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-symm.wvr.c [2024-01-30 14:23:42,789 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9c0961fa/28299294ecbf4568a50791c789b5d995/FLAGcaf19d1c5 [2024-01-30 14:23:42,803 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9c0961fa/28299294ecbf4568a50791c789b5d995 [2024-01-30 14:23:42,805 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-30 14:23:42,806 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-30 14:23:42,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/chl-time-symm.wvr.yml/witness.yml [2024-01-30 14:23:42,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-30 14:23:42,892 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-30 14:23:42,893 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-30 14:23:42,893 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-30 14:23:42,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-30 14:23:42,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:23:42" (1/2) ... [2024-01-30 14:23:42,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@712a4de3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:23:42, skipping insertion in model container [2024-01-30 14:23:42,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:23:42" (1/2) ... [2024-01-30 14:23:42,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b3583b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:23:42, skipping insertion in model container [2024-01-30 14:23:42,899 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:23:42" (2/2) ... [2024-01-30 14:23:42,900 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@712a4de3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:42, skipping insertion in model container [2024-01-30 14:23:42,900 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:23:42" (2/2) ... [2024-01-30 14:23:42,900 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-30 14:23:42,925 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-30 14:23:42,926 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] ((((((((0LL - (long long )cmp_4) + (long long )cmp_5 >= 0LL) && ((long long )cmp_4 + (long long )cmp_5 >= 0LL)) && ((0LL - (long long )cmp_4) - (long long )cmp_5 >= 0LL)) && ((long long )cmp_4 - (long long )cmp_5 >= 0LL)) && (volume_totale_1 == 0)) && (volume_totale_3 == 0)) && (cmp_4 == 0)) && (cmp_5 == 0) [2024-01-30 14:23:42,926 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-30 14:23:42,926 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-30 14:23:42,926 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-30 14:23:42,926 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] (unsigned long )_argptr == 0UL [2024-01-30 14:23:42,927 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] (1 <= b) && (b != 0) [2024-01-30 14:23:42,927 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] (b <= -1) && (b != 0) [2024-01-30 14:23:42,927 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (((((((0LL - (long long )cmp_4) + (long long )cmp_5 >= 0LL) && ((long long )cmp_4 + (long long )cmp_5 >= 0LL)) && ((0LL - (long long )cmp_4) - (long long )cmp_5 >= 0LL)) && ((long long )cmp_4 - (long long )cmp_5 >= 0LL)) && (volume_totale_3 == 0)) && (cmp_4 == 0)) && (cmp_5 == 0) [2024-01-30 14:23:42,927 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (((((((((0LL - (long long )cmp_4) + (long long )cmp_5 >= 0LL) && ((long long )cmp_4 + (long long )cmp_5 >= 0LL)) && ((0LL - (long long )cmp_4) - (long long )cmp_5 >= 0LL)) && ((long long )cmp_4 - (long long )cmp_5 >= 0LL)) && (ora_2 == 0)) && (volume_totale_1 == 0)) && (volume_totale_3 == 0)) && (cmp_4 == 0)) && (cmp_5 == 0) [2024-01-30 14:23:42,927 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-01-30 14:23:42,927 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-01-30 14:23:42,927 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] ((((((((((0LL - (long long )cmp_4) + (long long )cmp_5 >= 0LL) && ((long long )cmp_4 + (long long )cmp_5 >= 0LL)) && ((0LL - (long long )cmp_4) - (long long )cmp_5 >= 0LL)) && ((long long )cmp_4 - (long long )cmp_5 >= 0LL)) && (ora_0 == 0)) && (ora_2 == 0)) && (volume_totale_1 == 0)) && (volume_totale_3 == 0)) && (cmp_4 == 0)) && (cmp_5 == 0) [2024-01-30 14:23:42,927 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] cmp_5 == 0 [2024-01-30 14:23:42,928 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-01-30 14:23:42,928 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] ((((((0LL - (long long )cmp_4) + (long long )cmp_5 >= 0LL) && ((long long )cmp_4 + (long long )cmp_5 >= 0LL)) && ((0LL - (long long )cmp_4) - (long long )cmp_5 >= 0LL)) && ((long long )cmp_4 - (long long )cmp_5 >= 0LL)) && (cmp_4 == 0)) && (cmp_5 == 0) [2024-01-30 14:23:42,928 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] cmp_5 == 0 [2024-01-30 14:23:42,928 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-30 14:23:42,945 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-30 14:23:43,090 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-symm.wvr.c[2520,2533] [2024-01-30 14:23:43,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:23:43,107 INFO L202 MainTranslator]: Completed pre-run [2024-01-30 14:23:43,120 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 [2024-01-30 14:23:43,165 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 [2024-01-30 14:23:43,168 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:23:43,179 INFO L206 MainTranslator]: Completed translation [2024-01-30 14:23:43,179 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:43 WrapperNode [2024-01-30 14:23:43,179 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-30 14:23:43,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-30 14:23:43,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-30 14:23:43,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-30 14:23:43,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:43" (1/1) ... [2024-01-30 14:23:43,190 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:43" (1/1) ... [2024-01-30 14:23:43,211 INFO L138 Inliner]: procedures = 22, calls = 29, calls flagged for inlining = 9, calls inlined = 15, statements flattened = 177 [2024-01-30 14:23:43,212 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-30 14:23:43,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-30 14:23:43,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-30 14:23:43,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-30 14:23:43,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:43" (1/1) ... [2024-01-30 14:23:43,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:43" (1/1) ... [2024-01-30 14:23:43,226 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:43" (1/1) ... [2024-01-30 14:23:43,241 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]. [2024-01-30 14:23:43,242 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:43" (1/1) ... [2024-01-30 14:23:43,242 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:43" (1/1) ... [2024-01-30 14:23:43,255 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:43" (1/1) ... [2024-01-30 14:23:43,257 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:43" (1/1) ... [2024-01-30 14:23:43,260 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:43" (1/1) ... [2024-01-30 14:23:43,262 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:43" (1/1) ... [2024-01-30 14:23:43,264 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-30 14:23:43,264 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-30 14:23:43,264 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-30 14:23:43,265 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-30 14:23:43,265 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:43" (1/1) ... [2024-01-30 14:23:43,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:23:43,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-30 14:23:43,298 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) [2024-01-30 14:23:43,306 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 [2024-01-30 14:23:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-30 14:23:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-30 14:23:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-30 14:23:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-30 14:23:43,349 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-30 14:23:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-30 14:23:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-30 14:23:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-30 14:23:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-30 14:23:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-30 14:23:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-30 14:23:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-30 14:23:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-30 14:23:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-30 14:23:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-30 14:23:43,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-30 14:23:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-30 14:23:43,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-30 14:23:43,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-30 14:23:43,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-30 14:23:43,368 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-30 14:23:43,448 INFO L244 CfgBuilder]: Building ICFG [2024-01-30 14:23:43,449 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-30 14:23:43,759 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-30 14:23:43,759 INFO L293 CfgBuilder]: Performing block encoding [2024-01-30 14:23:44,036 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-30 14:23:44,036 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-30 14:23:44,037 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:23:44 BoogieIcfgContainer [2024-01-30 14:23:44,037 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-30 14:23:44,040 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-30 14:23:44,040 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-30 14:23:44,042 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-30 14:23:44,043 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.01 02:23:42" (1/4) ... [2024-01-30 14:23:44,043 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2657f078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 02:23:44, skipping insertion in model container [2024-01-30 14:23:44,043 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:23:42" (2/4) ... [2024-01-30 14:23:44,044 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2657f078 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 30.01 02:23:44, skipping insertion in model container [2024-01-30 14:23:44,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:43" (3/4) ... [2024-01-30 14:23:44,044 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2657f078 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 30.01 02:23:44, skipping insertion in model container [2024-01-30 14:23:44,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:23:44" (4/4) ... [2024-01-30 14:23:44,045 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-symm.wvr.c [2024-01-30 14:23:44,063 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-30 14:23:44,063 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2024-01-30 14:23:44,063 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-30 14:23:44,131 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-30 14:23:44,161 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 49 transitions, 112 flow [2024-01-30 14:23:44,188 INFO L124 PetriNetUnfolderBase]: 0/47 cut-off events. [2024-01-30 14:23:44,189 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-30 14:23:44,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 47 events. 0/47 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 89 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-01-30 14:23:44,191 INFO L82 GeneralOperation]: Start removeDead. Operand has 56 places, 49 transitions, 112 flow [2024-01-30 14:23:44,195 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 53 places, 46 transitions, 104 flow [2024-01-30 14:23:44,206 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-30 14:23:44,213 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;@65eb5643, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-30 14:23:44,214 INFO L358 AbstractCegarLoop]: Starting to check reachability of 41 error locations. [2024-01-30 14:23:44,216 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-30 14:23:44,216 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-30 14:23:44,216 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:23:44,216 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:23:44,217 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-30 14:23:44,217 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 38 more)] === [2024-01-30 14:23:44,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:23:44,221 INFO L85 PathProgramCache]: Analyzing trace with hash 18868, now seen corresponding path program 1 times [2024-01-30 14:23:44,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:23:44,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251090617] [2024-01-30 14:23:44,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:23:44,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:23:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:23:44,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:23:44,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:23:44,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251090617] [2024-01-30 14:23:44,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251090617] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:23:44,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:23:44,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-30 14:23:44,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286146058] [2024-01-30 14:23:44,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:23:44,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-30 14:23:44,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:23:44,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-30 14:23:44,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-30 14:23:44,492 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 49 [2024-01-30 14:23:44,494 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 46 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:23:44,494 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:23:44,494 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 49 [2024-01-30 14:23:44,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:23:44,556 INFO L124 PetriNetUnfolderBase]: 39/106 cut-off events. [2024-01-30 14:23:44,556 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:23:44,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 211 conditions, 106 events. 39/106 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 478 event pairs, 39 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 179. Up to 91 conditions per place. [2024-01-30 14:23:44,559 INFO L140 encePairwiseOnDemand]: 38/49 looper letters, 20 selfloop transitions, 2 changer transitions 0/28 dead transitions. [2024-01-30 14:23:44,559 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 28 transitions, 106 flow [2024-01-30 14:23:44,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-30 14:23:44,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-30 14:23:44,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 64 transitions. [2024-01-30 14:23:44,568 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43537414965986393 [2024-01-30 14:23:44,570 INFO L175 Difference]: Start difference. First operand has 53 places, 46 transitions, 104 flow. Second operand 3 states and 64 transitions. [2024-01-30 14:23:44,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 28 transitions, 106 flow [2024-01-30 14:23:44,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 28 transitions, 104 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-30 14:23:44,574 INFO L231 Difference]: Finished difference. Result has 35 places, 28 transitions, 64 flow [2024-01-30 14:23:44,576 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=35, PETRI_TRANSITIONS=28} [2024-01-30 14:23:44,578 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -18 predicate places. [2024-01-30 14:23:44,579 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 28 transitions, 64 flow [2024-01-30 14:23:44,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:23:44,579 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:23:44,579 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-30 14:23:44,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-30 14:23:44,580 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 38 more)] === [2024-01-30 14:23:44,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:23:44,580 INFO L85 PathProgramCache]: Analyzing trace with hash 585504, now seen corresponding path program 1 times [2024-01-30 14:23:44,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:23:44,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499362927] [2024-01-30 14:23:44,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:23:44,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:23:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:23:44,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:23:44,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:23:44,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499362927] [2024-01-30 14:23:44,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499362927] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:23:44,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:23:44,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-30 14:23:44,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901825023] [2024-01-30 14:23:44,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:23:44,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-30 14:23:44,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:23:44,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-30 14:23:44,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-30 14:23:44,672 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 49 [2024-01-30 14:23:44,672 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 28 transitions, 64 flow. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2024-01-30 14:23:44,672 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:23:44,672 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 49 [2024-01-30 14:23:44,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:23:44,709 INFO L124 PetriNetUnfolderBase]: 39/105 cut-off events. [2024-01-30 14:23:44,710 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:23:44,710 INFO L83 FinitePrefix]: Finished finitePrefix Result has 210 conditions, 105 events. 39/105 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 481 event pairs, 39 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 201. Up to 89 conditions per place. [2024-01-30 14:23:44,711 INFO L140 encePairwiseOnDemand]: 46/49 looper letters, 19 selfloop transitions, 2 changer transitions 0/27 dead transitions. [2024-01-30 14:23:44,711 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 27 transitions, 104 flow [2024-01-30 14:23:44,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-30 14:23:44,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-30 14:23:44,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 58 transitions. [2024-01-30 14:23:44,713 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3945578231292517 [2024-01-30 14:23:44,713 INFO L175 Difference]: Start difference. First operand has 35 places, 28 transitions, 64 flow. Second operand 3 states and 58 transitions. [2024-01-30 14:23:44,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 27 transitions, 104 flow [2024-01-30 14:23:44,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 27 transitions, 100 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-30 14:23:44,714 INFO L231 Difference]: Finished difference. Result has 34 places, 27 transitions, 62 flow [2024-01-30 14:23:44,714 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=62, PETRI_PLACES=34, PETRI_TRANSITIONS=27} [2024-01-30 14:23:44,715 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -19 predicate places. [2024-01-30 14:23:44,715 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 27 transitions, 62 flow [2024-01-30 14:23:44,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2024-01-30 14:23:44,715 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:23:44,716 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-30 14:23:44,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-30 14:23:44,716 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 38 more)] === [2024-01-30 14:23:44,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:23:44,716 INFO L85 PathProgramCache]: Analyzing trace with hash 18151223, now seen corresponding path program 1 times [2024-01-30 14:23:44,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:23:44,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451058487] [2024-01-30 14:23:44,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:23:44,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:23:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:23:44,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:23:44,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:23:44,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451058487] [2024-01-30 14:23:44,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451058487] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:23:44,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:23:44,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-30 14:23:44,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128369915] [2024-01-30 14:23:44,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:23:44,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-30 14:23:44,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:23:44,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-30 14:23:44,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-30 14:23:44,775 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 49 [2024-01-30 14:23:44,775 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 27 transitions, 62 flow. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-01-30 14:23:44,775 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:23:44,776 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 49 [2024-01-30 14:23:44,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:23:44,807 INFO L124 PetriNetUnfolderBase]: 39/104 cut-off events. [2024-01-30 14:23:44,807 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:23:44,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 104 events. 39/104 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 479 event pairs, 39 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 197. Up to 87 conditions per place. [2024-01-30 14:23:44,808 INFO L140 encePairwiseOnDemand]: 46/49 looper letters, 18 selfloop transitions, 2 changer transitions 0/26 dead transitions. [2024-01-30 14:23:44,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 26 transitions, 100 flow [2024-01-30 14:23:44,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-30 14:23:44,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-30 14:23:44,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 60 transitions. [2024-01-30 14:23:44,810 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40816326530612246 [2024-01-30 14:23:44,810 INFO L175 Difference]: Start difference. First operand has 34 places, 27 transitions, 62 flow. Second operand 3 states and 60 transitions. [2024-01-30 14:23:44,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 26 transitions, 100 flow [2024-01-30 14:23:44,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 26 transitions, 96 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-30 14:23:44,811 INFO L231 Difference]: Finished difference. Result has 33 places, 26 transitions, 60 flow [2024-01-30 14:23:44,811 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=60, PETRI_PLACES=33, PETRI_TRANSITIONS=26} [2024-01-30 14:23:44,812 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -20 predicate places. [2024-01-30 14:23:44,812 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 26 transitions, 60 flow [2024-01-30 14:23:44,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-01-30 14:23:44,812 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:23:44,813 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-30 14:23:44,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-30 14:23:44,813 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 38 more)] === [2024-01-30 14:23:44,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:23:44,813 INFO L85 PathProgramCache]: Analyzing trace with hash 562688485, now seen corresponding path program 1 times [2024-01-30 14:23:44,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:23:44,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840608855] [2024-01-30 14:23:44,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:23:44,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:23:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:23:44,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:23:44,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:23:44,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840608855] [2024-01-30 14:23:44,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840608855] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:23:44,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:23:44,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-30 14:23:44,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580105565] [2024-01-30 14:23:44,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:23:44,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-30 14:23:44,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:23:44,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-30 14:23:44,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-30 14:23:44,864 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 49 [2024-01-30 14:23:44,864 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 26 transitions, 60 flow. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-01-30 14:23:44,864 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:23:44,864 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 49 [2024-01-30 14:23:44,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:23:44,903 INFO L124 PetriNetUnfolderBase]: 39/103 cut-off events. [2024-01-30 14:23:44,905 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:23:44,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 103 events. 39/103 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 476 event pairs, 39 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 193. Up to 85 conditions per place. [2024-01-30 14:23:44,907 INFO L140 encePairwiseOnDemand]: 46/49 looper letters, 17 selfloop transitions, 2 changer transitions 0/25 dead transitions. [2024-01-30 14:23:44,907 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 25 transitions, 96 flow [2024-01-30 14:23:44,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-30 14:23:44,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-30 14:23:44,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 62 transitions. [2024-01-30 14:23:44,911 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4217687074829932 [2024-01-30 14:23:44,912 INFO L175 Difference]: Start difference. First operand has 33 places, 26 transitions, 60 flow. Second operand 3 states and 62 transitions. [2024-01-30 14:23:44,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 25 transitions, 96 flow [2024-01-30 14:23:44,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 25 transitions, 92 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-30 14:23:44,913 INFO L231 Difference]: Finished difference. Result has 32 places, 25 transitions, 58 flow [2024-01-30 14:23:44,914 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=58, PETRI_PLACES=32, PETRI_TRANSITIONS=25} [2024-01-30 14:23:44,915 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -21 predicate places. [2024-01-30 14:23:44,915 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 25 transitions, 58 flow [2024-01-30 14:23:44,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-01-30 14:23:44,915 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:23:44,916 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-30 14:23:44,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-30 14:23:44,916 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 38 more)] === [2024-01-30 14:23:44,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:23:44,916 INFO L85 PathProgramCache]: Analyzing trace with hash 263474459, now seen corresponding path program 1 times [2024-01-30 14:23:44,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:23:44,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529131159] [2024-01-30 14:23:44,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:23:44,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:23:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:23:44,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:23:44,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:23:44,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529131159] [2024-01-30 14:23:44,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529131159] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:23:44,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:23:44,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-30 14:23:44,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551072533] [2024-01-30 14:23:44,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:23:44,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-30 14:23:44,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:23:44,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-30 14:23:44,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-30 14:23:44,968 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 49 [2024-01-30 14:23:44,968 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 25 transitions, 58 flow. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2024-01-30 14:23:44,968 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:23:44,968 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 49 [2024-01-30 14:23:44,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:23:44,997 INFO L124 PetriNetUnfolderBase]: 39/102 cut-off events. [2024-01-30 14:23:44,997 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:23:44,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 204 conditions, 102 events. 39/102 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 475 event pairs, 39 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 189. Up to 83 conditions per place. [2024-01-30 14:23:44,998 INFO L140 encePairwiseOnDemand]: 46/49 looper letters, 16 selfloop transitions, 2 changer transitions 0/24 dead transitions. [2024-01-30 14:23:44,998 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 24 transitions, 92 flow [2024-01-30 14:23:44,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-30 14:23:44,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-30 14:23:44,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 64 transitions. [2024-01-30 14:23:44,999 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43537414965986393 [2024-01-30 14:23:44,999 INFO L175 Difference]: Start difference. First operand has 32 places, 25 transitions, 58 flow. Second operand 3 states and 64 transitions. [2024-01-30 14:23:44,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 24 transitions, 92 flow [2024-01-30 14:23:44,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 24 transitions, 88 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-30 14:23:45,000 INFO L231 Difference]: Finished difference. Result has 31 places, 24 transitions, 56 flow [2024-01-30 14:23:45,000 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=56, PETRI_PLACES=31, PETRI_TRANSITIONS=24} [2024-01-30 14:23:45,000 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -22 predicate places. [2024-01-30 14:23:45,000 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 24 transitions, 56 flow [2024-01-30 14:23:45,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2024-01-30 14:23:45,001 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:23:45,001 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-01-30 14:23:45,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-30 14:23:45,001 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 38 more)] === [2024-01-30 14:23:45,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:23:45,001 INFO L85 PathProgramCache]: Analyzing trace with hash -422225799, now seen corresponding path program 1 times [2024-01-30 14:23:45,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:23:45,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509407032] [2024-01-30 14:23:45,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:23:45,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:23:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:23:45,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:23:45,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:23:45,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509407032] [2024-01-30 14:23:45,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509407032] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:23:45,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:23:45,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-30 14:23:45,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276005894] [2024-01-30 14:23:45,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:23:45,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-30 14:23:45,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:23:45,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-30 14:23:45,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-30 14:23:45,038 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 49 [2024-01-30 14:23:45,039 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 24 transitions, 56 flow. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-01-30 14:23:45,039 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:23:45,039 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 49 [2024-01-30 14:23:45,039 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:23:45,077 INFO L124 PetriNetUnfolderBase]: 39/101 cut-off events. [2024-01-30 14:23:45,077 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:23:45,077 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 101 events. 39/101 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 476 event pairs, 39 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 185. Up to 81 conditions per place. [2024-01-30 14:23:45,078 INFO L140 encePairwiseOnDemand]: 46/49 looper letters, 15 selfloop transitions, 2 changer transitions 0/23 dead transitions. [2024-01-30 14:23:45,078 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 23 transitions, 88 flow [2024-01-30 14:23:45,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-30 14:23:45,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-30 14:23:45,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 66 transitions. [2024-01-30 14:23:45,079 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4489795918367347 [2024-01-30 14:23:45,079 INFO L175 Difference]: Start difference. First operand has 31 places, 24 transitions, 56 flow. Second operand 3 states and 66 transitions. [2024-01-30 14:23:45,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 23 transitions, 88 flow [2024-01-30 14:23:45,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 23 transitions, 84 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-30 14:23:45,080 INFO L231 Difference]: Finished difference. Result has 30 places, 23 transitions, 54 flow [2024-01-30 14:23:45,080 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=54, PETRI_PLACES=30, PETRI_TRANSITIONS=23} [2024-01-30 14:23:45,081 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -23 predicate places. [2024-01-30 14:23:45,081 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 23 transitions, 54 flow [2024-01-30 14:23:45,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-01-30 14:23:45,081 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:23:45,081 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-30 14:23:45,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-30 14:23:45,082 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 38 more)] === [2024-01-30 14:23:45,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:23:45,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1431061732, now seen corresponding path program 1 times [2024-01-30 14:23:45,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:23:45,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014071248] [2024-01-30 14:23:45,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:23:45,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:23:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:23:45,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:23:45,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:23:45,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014071248] [2024-01-30 14:23:45,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014071248] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:23:45,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:23:45,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-30 14:23:45,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937581983] [2024-01-30 14:23:45,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:23:45,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-30 14:23:45,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:23:45,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-30 14:23:45,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-30 14:23:45,167 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 49 [2024-01-30 14:23:45,168 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 23 transitions, 54 flow. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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) [2024-01-30 14:23:45,168 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:23:45,168 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 49 [2024-01-30 14:23:45,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:23:45,213 INFO L124 PetriNetUnfolderBase]: 39/99 cut-off events. [2024-01-30 14:23:45,213 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:23:45,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 200 conditions, 99 events. 39/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 413 event pairs, 3 based on Foata normal form. 10/80 useless extension candidates. Maximal degree in co-relation 181. Up to 66 conditions per place. [2024-01-30 14:23:45,213 INFO L140 encePairwiseOnDemand]: 45/49 looper letters, 21 selfloop transitions, 2 changer transitions 0/27 dead transitions. [2024-01-30 14:23:45,214 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 27 transitions, 110 flow [2024-01-30 14:23:45,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-30 14:23:45,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-30 14:23:45,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 81 transitions. [2024-01-30 14:23:45,214 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.413265306122449 [2024-01-30 14:23:45,215 INFO L175 Difference]: Start difference. First operand has 30 places, 23 transitions, 54 flow. Second operand 4 states and 81 transitions. [2024-01-30 14:23:45,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 27 transitions, 110 flow [2024-01-30 14:23:45,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 27 transitions, 106 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-30 14:23:45,215 INFO L231 Difference]: Finished difference. Result has 29 places, 21 transitions, 50 flow [2024-01-30 14:23:45,215 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=50, PETRI_PLACES=29, PETRI_TRANSITIONS=21} [2024-01-30 14:23:45,216 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -24 predicate places. [2024-01-30 14:23:45,216 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 21 transitions, 50 flow [2024-01-30 14:23:45,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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) [2024-01-30 14:23:45,216 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:23:45,216 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-30 14:23:45,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-30 14:23:45,217 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 38 more)] === [2024-01-30 14:23:45,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:23:45,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1413241348, now seen corresponding path program 1 times [2024-01-30 14:23:45,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:23:45,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661386740] [2024-01-30 14:23:45,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:23:45,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:23:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-30 14:23:45,235 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-30 14:23:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-30 14:23:45,263 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-30 14:23:45,264 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-30 14:23:45,269 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 41 remaining) [2024-01-30 14:23:45,270 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 41 remaining) [2024-01-30 14:23:45,271 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 41 remaining) [2024-01-30 14:23:45,271 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 41 remaining) [2024-01-30 14:23:45,271 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 41 remaining) [2024-01-30 14:23:45,271 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 41 remaining) [2024-01-30 14:23:45,271 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 41 remaining) [2024-01-30 14:23:45,271 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 41 remaining) [2024-01-30 14:23:45,272 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 41 remaining) [2024-01-30 14:23:45,272 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 41 remaining) [2024-01-30 14:23:45,272 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 41 remaining) [2024-01-30 14:23:45,272 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 41 remaining) [2024-01-30 14:23:45,272 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 41 remaining) [2024-01-30 14:23:45,272 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 41 remaining) [2024-01-30 14:23:45,273 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 41 remaining) [2024-01-30 14:23:45,273 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 41 remaining) [2024-01-30 14:23:45,273 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 41 remaining) [2024-01-30 14:23:45,274 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 41 remaining) [2024-01-30 14:23:45,274 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 41 remaining) [2024-01-30 14:23:45,275 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 41 remaining) [2024-01-30 14:23:45,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 41 remaining) [2024-01-30 14:23:45,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 41 remaining) [2024-01-30 14:23:45,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 41 remaining) [2024-01-30 14:23:45,279 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (17 of 41 remaining) [2024-01-30 14:23:45,279 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 41 remaining) [2024-01-30 14:23:45,279 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 41 remaining) [2024-01-30 14:23:45,279 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 41 remaining) [2024-01-30 14:23:45,280 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 41 remaining) [2024-01-30 14:23:45,280 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 41 remaining) [2024-01-30 14:23:45,280 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 41 remaining) [2024-01-30 14:23:45,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 41 remaining) [2024-01-30 14:23:45,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 41 remaining) [2024-01-30 14:23:45,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 41 remaining) [2024-01-30 14:23:45,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 41 remaining) [2024-01-30 14:23:45,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 41 remaining) [2024-01-30 14:23:45,281 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 41 remaining) [2024-01-30 14:23:45,282 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 41 remaining) [2024-01-30 14:23:45,282 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 41 remaining) [2024-01-30 14:23:45,282 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 41 remaining) [2024-01-30 14:23:45,282 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 41 remaining) [2024-01-30 14:23:45,282 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 41 remaining) [2024-01-30 14:23:45,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-30 14:23:45,283 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-30 14:23:45,288 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-30 14:23:45,288 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-30 14:23:45,312 INFO L503 ceAbstractionStarter]: Automizer considered 22 witness invariants [2024-01-30 14:23:45,313 INFO L504 ceAbstractionStarter]: WitnessConsidered=22 [2024-01-30 14:23:45,313 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 02:23:45 BasicIcfg [2024-01-30 14:23:45,313 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-30 14:23:45,314 INFO L158 Benchmark]: Toolchain (without parser) took 2422.12ms. Allocated memory was 153.1MB in the beginning and 216.0MB in the end (delta: 62.9MB). Free memory was 76.7MB in the beginning and 145.3MB in the end (delta: -68.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-30 14:23:45,314 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 153.1MB. Free memory was 125.7MB in the beginning and 125.6MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-30 14:23:45,314 INFO L158 Benchmark]: Witness Parser took 0.39ms. Allocated memory is still 153.1MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-30 14:23:45,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.55ms. Allocated memory is still 153.1MB. Free memory was 76.4MB in the beginning and 121.1MB in the end (delta: -44.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-01-30 14:23:45,315 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.12ms. Allocated memory is still 153.1MB. Free memory was 121.1MB in the beginning and 118.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-30 14:23:45,315 INFO L158 Benchmark]: Boogie Preprocessor took 51.44ms. Allocated memory is still 153.1MB. Free memory was 118.6MB in the beginning and 116.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-30 14:23:45,316 INFO L158 Benchmark]: RCFGBuilder took 772.92ms. Allocated memory is still 153.1MB. Free memory was 116.0MB in the beginning and 107.9MB in the end (delta: 8.2MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. [2024-01-30 14:23:45,317 INFO L158 Benchmark]: TraceAbstraction took 1273.20ms. Allocated memory was 153.1MB in the beginning and 216.0MB in the end (delta: 62.9MB). Free memory was 107.0MB in the beginning and 145.3MB in the end (delta: -38.2MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-01-30 14:23:45,318 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 153.1MB. Free memory was 125.7MB in the beginning and 125.6MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.39ms. Allocated memory is still 153.1MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.55ms. Allocated memory is still 153.1MB. Free memory was 76.4MB in the beginning and 121.1MB in the end (delta: -44.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.12ms. Allocated memory is still 153.1MB. Free memory was 121.1MB in the beginning and 118.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.44ms. Allocated memory is still 153.1MB. Free memory was 118.6MB in the beginning and 116.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 772.92ms. Allocated memory is still 153.1MB. Free memory was 116.0MB in the beginning and 107.9MB in the end (delta: 8.2MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1273.20ms. Allocated memory was 153.1MB in the beginning and 216.0MB in the end (delta: 62.9MB). Free memory was 107.0MB in the beginning and 145.3MB in the end (delta: -38.2MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 87]: 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[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]],BinaryExpression[COMPEQ,IdentifierExpression[ora_0],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[ora_2],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_1],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_3],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_4],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_5],IntegerLiteral[0]]]]] [L66] 0 ora_0 = __VERIFIER_nondet_int() [L67] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]],BinaryExpression[COMPEQ,IdentifierExpression[ora_2],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_1],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_3],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_4],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_5],IntegerLiteral[0]]]]] [L67] 0 ora_2 = __VERIFIER_nondet_int() [L68] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_1],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_3],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_4],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_5],IntegerLiteral[0]]]]] [L68] 0 volume_totale_1 = __VERIFIER_nondet_int() [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_3],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_4],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_5],IntegerLiteral[0]]]]] [L69] 0 volume_totale_3 = __VERIFIER_nondet_int() [L70] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[cmp_4]],CastExpression[ACSLType[long long],IdentifierExpression[cmp_5]]],IntegerLiteral[0LL]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_4],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_5],IntegerLiteral[0]]]]] [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=6, 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=6, 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[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[b]],BinaryExpression[COMPNEQ,IdentifierExpression[b],IntegerLiteral[0]]]]] [L86] CALL 1 assume_abort_if_not(b <= 0 || a >= b - 2147483648) [L35] COND FALSE 1 !(!cond) [L86] RET 1 assume_abort_if_not(b <= 0 || a >= b - 2147483648) [L87] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IdentifierExpression[b],UnaryExpression[MINUS,IntegerLiteral[1]]],BinaryExpression[COMPNEQ,IdentifierExpression[b],IntegerLiteral[0]]]]] VAL [\old(a)=0, \old(b)=6, a=0, b=6, cmp_4=0, cmp_5=0, ora_0=0, ora_2=6, 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: 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: 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: 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: 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: 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: 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: 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: 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. - 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 78 locations, 41 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: 1.1s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 117 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 286 IncrementalHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 28 mSDtfsCounter, 286 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=104occurred 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, 0.4s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 204 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! [2024-01-30 14:23:45,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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