./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_19-publish-precision_unknown_2_neg.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ab2e0ac4 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_19-publish-precision_unknown_2_neg.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-ab2e0ac-m [2024-01-29 14:39:05,992 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 14:39:06,029 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 14:39:06,032 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 14:39:06,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 14:39:06,078 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 14:39:06,078 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 14:39:06,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 14:39:06,079 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 14:39:06,079 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 14:39:06,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 14:39:06,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 14:39:06,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 14:39:06,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 14:39:06,080 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 14:39:06,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 14:39:06,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 14:39:06,081 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 14:39:06,081 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 14:39:06,081 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 14:39:06,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 14:39:06,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 14:39:06,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 14:39:06,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 14:39:06,082 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 14:39:06,082 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 14:39:06,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 14:39:06,083 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 14:39:06,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 14:39:06,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 14:39:06,083 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 14:39:06,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 14:39:06,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:39:06,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 14:39:06,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 14:39:06,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 14:39:06,097 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 14:39:06,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 14:39:06,097 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 14:39:06,097 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 14:39:06,097 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 14:39:06,098 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 14:39:06,098 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 14:39:06,098 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 14:39:06,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 14:39:06,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 14:39:06,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 14:39:06,325 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 14:39:06,325 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 14:39:06,326 INFO L431 ainManager$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/13-privatized_19-publish-precision_unknown_2_neg.yml/witness.yml [2024-01-29 14:39:06,510 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 14:39:06,511 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 14:39:06,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2024-01-29 14:39:07,777 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 14:39:07,985 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 14:39:07,985 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2024-01-29 14:39:07,997 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b4989c29/254295522c104e7fa4af39d7c1f65d11/FLAGa6e1f1799 [2024-01-29 14:39:08,011 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b4989c29/254295522c104e7fa4af39d7c1f65d11 [2024-01-29 14:39:08,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 14:39:08,012 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 14:39:08,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 14:39:08,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 14:39:08,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 14:39:08,018 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:39:06" (1/2) ... [2024-01-29 14:39:08,019 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64cd1828 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:08, skipping insertion in model container [2024-01-29 14:39:08,019 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:39:06" (1/2) ... [2024-01-29 14:39:08,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5bfef020 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:08, skipping insertion in model container [2024-01-29 14:39:08,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:39:08" (2/2) ... [2024-01-29 14:39:08,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64cd1828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:08, skipping insertion in model container [2024-01-29 14:39:08,021 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:39:08" (2/2) ... [2024-01-29 14:39:08,021 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 14:39:08,064 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 14:39:08,065 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] 0 <= glob1 [2024-01-29 14:39:08,065 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 % 5 == 0 [2024-01-29 14:39:08,065 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 == 0 || glob1 == 5 [2024-01-29 14:39:08,066 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] 0 <= glob1 [2024-01-29 14:39:08,066 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 <= 127 [2024-01-29 14:39:08,066 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 == 0 || glob1 == 5 [2024-01-29 14:39:08,066 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] 0 <= glob1 [2024-01-29 14:39:08,066 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 <= 5 [2024-01-29 14:39:08,066 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 == 0 || glob1 == 5 [2024-01-29 14:39:08,066 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 % 5 == 0 [2024-01-29 14:39:08,067 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 <= 127 [2024-01-29 14:39:08,067 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 <= 5 [2024-01-29 14:39:08,067 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 <= 5 [2024-01-29 14:39:08,067 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 % 5 == 0 [2024-01-29 14:39:08,067 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 <= 127 [2024-01-29 14:39:08,067 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] glob1 == 0 [2024-01-29 14:39:08,067 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] (unsigned long )arg == 0UL [2024-01-29 14:39:08,068 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] (unsigned long )arg == 0UL [2024-01-29 14:39:08,068 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] glob1 == 5 [2024-01-29 14:39:08,068 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] 0 <= glob1 [2024-01-29 14:39:08,068 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] glob1 <= 127 [2024-01-29 14:39:08,068 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] glob1 <= 5 [2024-01-29 14:39:08,069 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] glob1 == 0 || glob1 == 5 [2024-01-29 14:39:08,069 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] glob1 % 5 == 0 [2024-01-29 14:39:08,069 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] (unsigned long )arg == 0UL [2024-01-29 14:39:08,069 INFO L98 nessWitnessExtractor]: Location invariant before [L685-L685] (unsigned long )arg == 0UL [2024-01-29 14:39:08,069 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] (unsigned long )arg == 0UL [2024-01-29 14:39:08,069 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] glob1 == 0 [2024-01-29 14:39:08,069 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] glob1 == 5 [2024-01-29 14:39:08,070 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] (unsigned long )arg == 0UL [2024-01-29 14:39:08,070 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] 0 <= glob1 [2024-01-29 14:39:08,070 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] glob1 == 0 || glob1 == 5 [2024-01-29 14:39:08,070 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] glob1 <= 5 [2024-01-29 14:39:08,070 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] glob1 <= 127 [2024-01-29 14:39:08,070 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] glob1 % 5 == 0 [2024-01-29 14:39:08,071 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] glob1 == 0 [2024-01-29 14:39:08,071 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] (unsigned long )arg == 0UL [2024-01-29 14:39:08,071 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] (unsigned long )arg == 0UL [2024-01-29 14:39:08,072 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] glob1 == 5 [2024-01-29 14:39:08,072 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] glob1 <= 5 [2024-01-29 14:39:08,072 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] 0 <= glob1 [2024-01-29 14:39:08,072 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] glob1 <= 127 [2024-01-29 14:39:08,073 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] (unsigned long )arg == 0UL [2024-01-29 14:39:08,073 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] glob1 % 5 == 0 [2024-01-29 14:39:08,073 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] glob1 == 0 || glob1 == 5 [2024-01-29 14:39:08,073 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] glob1 % 5 == 0 [2024-01-29 14:39:08,073 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] glob1 == 0 || glob1 == 5 [2024-01-29 14:39:08,074 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] 0 <= glob1 [2024-01-29 14:39:08,074 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] glob1 <= 127 [2024-01-29 14:39:08,074 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] glob1 <= 5 [2024-01-29 14:39:08,108 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 14:39:08,250 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i[1103,1116] [2024-01-29 14:39:08,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:39:08,414 INFO L202 MainTranslator]: Completed pre-run [2024-01-29 14:39:08,424 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i[1103,1116] [2024-01-29 14:39:08,425 WARN L424 MainDispatcher]: Unable to annotate void __VERIFIER_assert(int cond) { if(!(cond)) { ERROR: {reach_error();abort();} } } with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-29 14:39:08,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:39:08,540 INFO L206 MainTranslator]: Completed translation [2024-01-29 14:39:08,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:08 WrapperNode [2024-01-29 14:39:08,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 14:39:08,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 14:39:08,543 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 14:39:08,543 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 14:39:08,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:08" (1/1) ... [2024-01-29 14:39:08,577 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:08" (1/1) ... [2024-01-29 14:39:08,599 INFO L138 Inliner]: procedures = 163, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2024-01-29 14:39:08,601 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 14:39:08,601 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 14:39:08,602 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 14:39:08,602 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 14:39:08,610 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:08" (1/1) ... [2024-01-29 14:39:08,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:08" (1/1) ... [2024-01-29 14:39:08,612 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:08" (1/1) ... [2024-01-29 14:39:08,629 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 5, 5, 2]. 36 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5, 0]. The 1 writes are split as follows [0, 0, 0, 1]. [2024-01-29 14:39:08,630 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:08" (1/1) ... [2024-01-29 14:39:08,630 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:08" (1/1) ... [2024-01-29 14:39:08,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:08" (1/1) ... [2024-01-29 14:39:08,640 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:08" (1/1) ... [2024-01-29 14:39:08,641 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:08" (1/1) ... [2024-01-29 14:39:08,642 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:08" (1/1) ... [2024-01-29 14:39:08,644 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 14:39:08,645 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 14:39:08,645 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 14:39:08,645 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 14:39:08,645 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:08" (1/1) ... [2024-01-29 14:39:08,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:39:08,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 14:39:08,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-29 14:39:08,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-29 14:39:08,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 14:39:08,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 14:39:08,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 14:39:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-29 14:39:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 14:39:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 14:39:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 14:39:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-29 14:39:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-29 14:39:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 14:39:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 14:39:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-01-29 14:39:08,717 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-01-29 14:39:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 14:39:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 14:39:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 14:39:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 14:39:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-29 14:39:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-29 14:39:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 14:39:08,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 14:39:08,719 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-29 14:39:08,813 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 14:39:08,815 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 14:39:09,073 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 14:39:09,073 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 14:39:09,136 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 14:39:09,136 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-29 14:39:09,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:39:09 BoogieIcfgContainer [2024-01-29 14:39:09,137 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 14:39:09,138 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 14:39:09,138 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 14:39:09,141 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 14:39:09,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:39:06" (1/4) ... [2024-01-29 14:39:09,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b5a8a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:39:09, skipping insertion in model container [2024-01-29 14:39:09,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 02:39:08" (2/4) ... [2024-01-29 14:39:09,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b5a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:39:09, skipping insertion in model container [2024-01-29 14:39:09,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:08" (3/4) ... [2024-01-29 14:39:09,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b5a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:39:09, skipping insertion in model container [2024-01-29 14:39:09,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:39:09" (4/4) ... [2024-01-29 14:39:09,143 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_neg.i [2024-01-29 14:39:09,156 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 14:39:09,156 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2024-01-29 14:39:09,156 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 14:39:09,201 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-01-29 14:39:09,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 101 places, 98 transitions, 203 flow [2024-01-29 14:39:09,251 INFO L124 PetriNetUnfolderBase]: 1/97 cut-off events. [2024-01-29 14:39:09,251 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-29 14:39:09,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 97 events. 1/97 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 145 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 91. Up to 2 conditions per place. [2024-01-29 14:39:09,255 INFO L82 GeneralOperation]: Start removeDead. Operand has 101 places, 98 transitions, 203 flow [2024-01-29 14:39:09,258 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 98 places, 95 transitions, 193 flow [2024-01-29 14:39:09,264 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 14:39:09,269 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;@750b0faa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 14:39:09,269 INFO L358 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2024-01-29 14:39:09,271 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 14:39:09,271 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 14:39:09,271 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:39:09,272 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:39:09,272 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 14:39:09,272 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-29 14:39:09,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:39:09,276 INFO L85 PathProgramCache]: Analyzing trace with hash 8827, now seen corresponding path program 1 times [2024-01-29 14:39:09,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:39:09,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928537334] [2024-01-29 14:39:09,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:39:09,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:39:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:39:09,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:39:09,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:39:09,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928537334] [2024-01-29 14:39:09,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928537334] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:39:09,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:39:09,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:39:09,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160592811] [2024-01-29 14:39:09,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:39:09,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:39:09,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:39:09,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:39:09,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:39:09,526 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 98 [2024-01-29 14:39:09,528 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 95 transitions, 193 flow. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:39:09,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:39:09,529 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 98 [2024-01-29 14:39:09,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:39:09,690 INFO L124 PetriNetUnfolderBase]: 134/669 cut-off events. [2024-01-29 14:39:09,691 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:39:09,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1035 conditions, 669 events. 134/669 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 4385 event pairs, 98 based on Foata normal form. 134/725 useless extension candidates. Maximal degree in co-relation 1024. Up to 189 conditions per place. [2024-01-29 14:39:09,700 INFO L140 encePairwiseOnDemand]: 71/98 looper letters, 36 selfloop transitions, 3 changer transitions 0/87 dead transitions. [2024-01-29 14:39:09,700 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 87 transitions, 255 flow [2024-01-29 14:39:09,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:39:09,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:39:09,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 211 transitions. [2024-01-29 14:39:09,715 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.717687074829932 [2024-01-29 14:39:09,716 INFO L175 Difference]: Start difference. First operand has 98 places, 95 transitions, 193 flow. Second operand 3 states and 211 transitions. [2024-01-29 14:39:09,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 87 transitions, 255 flow [2024-01-29 14:39:09,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 87 transitions, 254 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 14:39:09,727 INFO L231 Difference]: Finished difference. Result has 87 places, 81 transitions, 193 flow [2024-01-29 14:39:09,728 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=193, PETRI_PLACES=87, PETRI_TRANSITIONS=81} [2024-01-29 14:39:09,732 INFO L281 CegarLoopForPetriNet]: 98 programPoint places, -11 predicate places. [2024-01-29 14:39:09,732 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 81 transitions, 193 flow [2024-01-29 14:39:09,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:39:09,733 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:39:09,733 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-29 14:39:09,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 14:39:09,733 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-29 14:39:09,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:39:09,735 INFO L85 PathProgramCache]: Analyzing trace with hash 263371298, now seen corresponding path program 1 times [2024-01-29 14:39:09,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:39:09,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827739840] [2024-01-29 14:39:09,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:39:09,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:39:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:39:09,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:39:09,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:39:09,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827739840] [2024-01-29 14:39:09,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827739840] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:39:09,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:39:09,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 14:39:09,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611166017] [2024-01-29 14:39:09,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:39:09,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 14:39:09,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:39:09,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 14:39:09,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 14:39:09,947 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 98 [2024-01-29 14:39:09,949 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 81 transitions, 193 flow. Second operand has 4 states, 4 states have (on average 68.25) internal successors, (273), 4 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:39:09,949 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:39:09,949 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 98 [2024-01-29 14:39:09,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:39:10,027 INFO L124 PetriNetUnfolderBase]: 60/447 cut-off events. [2024-01-29 14:39:10,027 INFO L125 PetriNetUnfolderBase]: For 58/58 co-relation queries the response was YES. [2024-01-29 14:39:10,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 674 conditions, 447 events. 60/447 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2432 event pairs, 36 based on Foata normal form. 71/478 useless extension candidates. Maximal degree in co-relation 661. Up to 170 conditions per place. [2024-01-29 14:39:10,029 INFO L140 encePairwiseOnDemand]: 87/98 looper letters, 23 selfloop transitions, 2 changer transitions 0/78 dead transitions. [2024-01-29 14:39:10,030 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 78 transitions, 237 flow [2024-01-29 14:39:10,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 14:39:10,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 14:39:10,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 302 transitions. [2024-01-29 14:39:10,032 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7704081632653061 [2024-01-29 14:39:10,032 INFO L175 Difference]: Start difference. First operand has 87 places, 81 transitions, 193 flow. Second operand 4 states and 302 transitions. [2024-01-29 14:39:10,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 78 transitions, 237 flow [2024-01-29 14:39:10,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 78 transitions, 231 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:39:10,035 INFO L231 Difference]: Finished difference. Result has 79 places, 72 transitions, 173 flow [2024-01-29 14:39:10,035 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=169, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=173, PETRI_PLACES=79, PETRI_TRANSITIONS=72} [2024-01-29 14:39:10,035 INFO L281 CegarLoopForPetriNet]: 98 programPoint places, -19 predicate places. [2024-01-29 14:39:10,036 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 72 transitions, 173 flow [2024-01-29 14:39:10,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 68.25) internal successors, (273), 4 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:39:10,036 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:39:10,036 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:39:10,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 14:39:10,036 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-29 14:39:10,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:39:10,037 INFO L85 PathProgramCache]: Analyzing trace with hash -2120885802, now seen corresponding path program 1 times [2024-01-29 14:39:10,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:39:10,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918147340] [2024-01-29 14:39:10,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:39:10,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:39:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:39:10,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:39:10,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:39:10,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918147340] [2024-01-29 14:39:10,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918147340] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:39:10,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:39:10,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 14:39:10,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825232388] [2024-01-29 14:39:10,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:39:10,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 14:39:10,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:39:10,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 14:39:10,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 14:39:10,207 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 98 [2024-01-29 14:39:10,208 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 72 transitions, 173 flow. Second operand has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:39:10,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:39:10,208 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 98 [2024-01-29 14:39:10,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:39:10,347 INFO L124 PetriNetUnfolderBase]: 197/721 cut-off events. [2024-01-29 14:39:10,360 INFO L125 PetriNetUnfolderBase]: For 78/78 co-relation queries the response was YES. [2024-01-29 14:39:10,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1350 conditions, 721 events. 197/721 cut-off events. For 78/78 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 4537 event pairs, 65 based on Foata normal form. 0/666 useless extension candidates. Maximal degree in co-relation 1337. Up to 356 conditions per place. [2024-01-29 14:39:10,363 INFO L140 encePairwiseOnDemand]: 75/98 looper letters, 50 selfloop transitions, 25 changer transitions 6/115 dead transitions. [2024-01-29 14:39:10,363 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 115 transitions, 444 flow [2024-01-29 14:39:10,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-29 14:39:10,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-29 14:39:10,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 321 transitions. [2024-01-29 14:39:10,364 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6551020408163265 [2024-01-29 14:39:10,365 INFO L175 Difference]: Start difference. First operand has 79 places, 72 transitions, 173 flow. Second operand 5 states and 321 transitions. [2024-01-29 14:39:10,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 115 transitions, 444 flow [2024-01-29 14:39:10,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 115 transitions, 441 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:39:10,368 INFO L231 Difference]: Finished difference. Result has 85 places, 94 transitions, 382 flow [2024-01-29 14:39:10,368 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=382, PETRI_PLACES=85, PETRI_TRANSITIONS=94} [2024-01-29 14:39:10,369 INFO L281 CegarLoopForPetriNet]: 98 programPoint places, -13 predicate places. [2024-01-29 14:39:10,369 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 94 transitions, 382 flow [2024-01-29 14:39:10,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:39:10,369 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:39:10,369 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:39:10,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-29 14:39:10,370 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-29 14:39:10,370 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:39:10,370 INFO L85 PathProgramCache]: Analyzing trace with hash 265876114, now seen corresponding path program 1 times [2024-01-29 14:39:10,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:39:10,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953113826] [2024-01-29 14:39:10,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:39:10,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:39:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:39:10,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:39:10,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:39:10,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953113826] [2024-01-29 14:39:10,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953113826] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:39:10,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:39:10,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 14:39:10,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011609813] [2024-01-29 14:39:10,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:39:10,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:39:10,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:39:10,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:39:10,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:39:10,453 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 98 [2024-01-29 14:39:10,454 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 94 transitions, 382 flow. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:39:10,454 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:39:10,454 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 98 [2024-01-29 14:39:10,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:39:10,504 INFO L124 PetriNetUnfolderBase]: 88/337 cut-off events. [2024-01-29 14:39:10,505 INFO L125 PetriNetUnfolderBase]: For 404/413 co-relation queries the response was YES. [2024-01-29 14:39:10,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 696 conditions, 337 events. 88/337 cut-off events. For 404/413 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1464 event pairs, 55 based on Foata normal form. 85/409 useless extension candidates. Maximal degree in co-relation 679. Up to 119 conditions per place. [2024-01-29 14:39:10,506 INFO L140 encePairwiseOnDemand]: 83/98 looper letters, 20 selfloop transitions, 2 changer transitions 15/68 dead transitions. [2024-01-29 14:39:10,506 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 68 transitions, 255 flow [2024-01-29 14:39:10,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:39:10,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:39:10,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 189 transitions. [2024-01-29 14:39:10,507 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6428571428571429 [2024-01-29 14:39:10,507 INFO L175 Difference]: Start difference. First operand has 85 places, 94 transitions, 382 flow. Second operand 3 states and 189 transitions. [2024-01-29 14:39:10,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 68 transitions, 255 flow [2024-01-29 14:39:10,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 68 transitions, 251 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 14:39:10,509 INFO L231 Difference]: Finished difference. Result has 73 places, 51 transitions, 137 flow [2024-01-29 14:39:10,510 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=137, PETRI_PLACES=73, PETRI_TRANSITIONS=51} [2024-01-29 14:39:10,510 INFO L281 CegarLoopForPetriNet]: 98 programPoint places, -25 predicate places. [2024-01-29 14:39:10,510 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 51 transitions, 137 flow [2024-01-29 14:39:10,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:39:10,511 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:39:10,511 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:39:10,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-29 14:39:10,511 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-29 14:39:10,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:39:10,511 INFO L85 PathProgramCache]: Analyzing trace with hash 459082110, now seen corresponding path program 1 times [2024-01-29 14:39:10,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:39:10,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223118556] [2024-01-29 14:39:10,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:39:10,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:39:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:39:10,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:39:10,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:39:10,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223118556] [2024-01-29 14:39:10,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223118556] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:39:10,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:39:10,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 14:39:10,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540246870] [2024-01-29 14:39:10,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:39:10,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:39:10,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:39:10,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:39:10,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:39:10,575 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 98 [2024-01-29 14:39:10,575 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 51 transitions, 137 flow. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:39:10,576 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:39:10,576 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 98 [2024-01-29 14:39:10,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:39:10,602 INFO L124 PetriNetUnfolderBase]: 12/121 cut-off events. [2024-01-29 14:39:10,602 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-01-29 14:39:10,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 200 conditions, 121 events. 12/121 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 219 event pairs, 6 based on Foata normal form. 7/122 useless extension candidates. Maximal degree in co-relation 189. Up to 22 conditions per place. [2024-01-29 14:39:10,603 INFO L140 encePairwiseOnDemand]: 92/98 looper letters, 8 selfloop transitions, 3 changer transitions 17/55 dead transitions. [2024-01-29 14:39:10,603 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 55 transitions, 183 flow [2024-01-29 14:39:10,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:39:10,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:39:10,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions. [2024-01-29 14:39:10,604 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8605442176870748 [2024-01-29 14:39:10,604 INFO L175 Difference]: Start difference. First operand has 73 places, 51 transitions, 137 flow. Second operand 3 states and 253 transitions. [2024-01-29 14:39:10,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 55 transitions, 183 flow [2024-01-29 14:39:10,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 55 transitions, 159 flow, removed 4 selfloop flow, removed 7 redundant places. [2024-01-29 14:39:10,606 INFO L231 Difference]: Finished difference. Result has 59 places, 37 transitions, 89 flow [2024-01-29 14:39:10,606 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=113, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=89, PETRI_PLACES=59, PETRI_TRANSITIONS=37} [2024-01-29 14:39:10,606 INFO L281 CegarLoopForPetriNet]: 98 programPoint places, -39 predicate places. [2024-01-29 14:39:10,606 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 37 transitions, 89 flow [2024-01-29 14:39:10,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:39:10,607 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:39:10,607 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:39:10,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-29 14:39:10,607 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-29 14:39:10,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:39:10,608 INFO L85 PathProgramCache]: Analyzing trace with hash -302904572, now seen corresponding path program 1 times [2024-01-29 14:39:10,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:39:10,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914112337] [2024-01-29 14:39:10,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:39:10,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:39:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 14:39:10,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-29 14:39:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 14:39:10,644 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-29 14:39:10,644 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-29 14:39:10,645 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (60 of 61 remaining) [2024-01-29 14:39:10,646 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 61 remaining) [2024-01-29 14:39:10,647 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 61 remaining) [2024-01-29 14:39:10,647 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 61 remaining) [2024-01-29 14:39:10,647 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 61 remaining) [2024-01-29 14:39:10,647 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 61 remaining) [2024-01-29 14:39:10,647 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 61 remaining) [2024-01-29 14:39:10,647 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 61 remaining) [2024-01-29 14:39:10,647 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 61 remaining) [2024-01-29 14:39:10,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 61 remaining) [2024-01-29 14:39:10,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 61 remaining) [2024-01-29 14:39:10,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 61 remaining) [2024-01-29 14:39:10,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 61 remaining) [2024-01-29 14:39:10,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 61 remaining) [2024-01-29 14:39:10,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 61 remaining) [2024-01-29 14:39:10,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 61 remaining) [2024-01-29 14:39:10,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 61 remaining) [2024-01-29 14:39:10,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 61 remaining) [2024-01-29 14:39:10,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 61 remaining) [2024-01-29 14:39:10,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 61 remaining) [2024-01-29 14:39:10,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 61 remaining) [2024-01-29 14:39:10,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 61 remaining) [2024-01-29 14:39:10,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 61 remaining) [2024-01-29 14:39:10,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 61 remaining) [2024-01-29 14:39:10,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 61 remaining) [2024-01-29 14:39:10,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 61 remaining) [2024-01-29 14:39:10,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 61 remaining) [2024-01-29 14:39:10,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 61 remaining) [2024-01-29 14:39:10,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 61 remaining) [2024-01-29 14:39:10,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr16ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 61 remaining) [2024-01-29 14:39:10,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr17ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 61 remaining) [2024-01-29 14:39:10,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr18ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 61 remaining) [2024-01-29 14:39:10,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr19ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 61 remaining) [2024-01-29 14:39:10,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr20ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 61 remaining) [2024-01-29 14:39:10,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr21ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 61 remaining) [2024-01-29 14:39:10,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr22ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 61 remaining) [2024-01-29 14:39:10,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr23ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 61 remaining) [2024-01-29 14:39:10,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 61 remaining) [2024-01-29 14:39:10,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 61 remaining) [2024-01-29 14:39:10,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 61 remaining) [2024-01-29 14:39:10,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 61 remaining) [2024-01-29 14:39:10,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 61 remaining) [2024-01-29 14:39:10,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 61 remaining) [2024-01-29 14:39:10,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 61 remaining) [2024-01-29 14:39:10,653 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 61 remaining) [2024-01-29 14:39:10,653 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 61 remaining) [2024-01-29 14:39:10,653 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 61 remaining) [2024-01-29 14:39:10,653 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 61 remaining) [2024-01-29 14:39:10,653 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 61 remaining) [2024-01-29 14:39:10,653 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 61 remaining) [2024-01-29 14:39:10,653 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 61 remaining) [2024-01-29 14:39:10,654 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 61 remaining) [2024-01-29 14:39:10,654 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 61 remaining) [2024-01-29 14:39:10,654 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr16ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 61 remaining) [2024-01-29 14:39:10,654 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr17ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 61 remaining) [2024-01-29 14:39:10,654 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr18ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 61 remaining) [2024-01-29 14:39:10,654 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr19ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 61 remaining) [2024-01-29 14:39:10,654 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr20ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 61 remaining) [2024-01-29 14:39:10,654 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr21ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 61 remaining) [2024-01-29 14:39:10,655 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr22ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 61 remaining) [2024-01-29 14:39:10,655 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr23ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 61 remaining) [2024-01-29 14:39:10,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-29 14:39:10,655 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-01-29 14:39:10,660 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-29 14:39:10,660 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-29 14:39:10,683 INFO L503 ceAbstractionStarter]: Automizer considered 35 witness invariants [2024-01-29 14:39:10,683 INFO L504 ceAbstractionStarter]: WitnessConsidered=35 [2024-01-29 14:39:10,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 02:39:10 BasicIcfg [2024-01-29 14:39:10,684 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-29 14:39:10,684 INFO L158 Benchmark]: Toolchain (without parser) took 2671.87ms. Allocated memory is still 199.2MB. Free memory was 138.8MB in the beginning and 64.4MB in the end (delta: 74.4MB). Peak memory consumption was 77.3MB. Max. memory is 16.1GB. [2024-01-29 14:39:10,684 INFO L158 Benchmark]: Witness Parser took 0.37ms. Allocated memory is still 199.2MB. Free memory was 166.1MB in the beginning and 165.8MB in the end (delta: 321.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:39:10,684 INFO L158 Benchmark]: CDTParser took 6.64ms. Allocated memory is still 199.2MB. Free memory is still 161.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:39:10,685 INFO L158 Benchmark]: CACSL2BoogieTranslator took 528.32ms. Allocated memory is still 199.2MB. Free memory was 138.8MB in the beginning and 113.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-01-29 14:39:10,685 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.45ms. Allocated memory is still 199.2MB. Free memory was 113.7MB in the beginning and 111.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 14:39:10,685 INFO L158 Benchmark]: Boogie Preprocessor took 42.74ms. Allocated memory is still 199.2MB. Free memory was 111.5MB in the beginning and 109.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 14:39:10,685 INFO L158 Benchmark]: RCFGBuilder took 492.30ms. Allocated memory is still 199.2MB. Free memory was 109.1MB in the beginning and 78.4MB in the end (delta: 30.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-01-29 14:39:10,685 INFO L158 Benchmark]: TraceAbstraction took 1545.35ms. Allocated memory is still 199.2MB. Free memory was 77.7MB in the beginning and 64.4MB in the end (delta: 13.2MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-01-29 14:39:10,687 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.37ms. Allocated memory is still 199.2MB. Free memory was 166.1MB in the beginning and 165.8MB in the end (delta: 321.6kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 6.64ms. Allocated memory is still 199.2MB. Free memory is still 161.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 528.32ms. Allocated memory is still 199.2MB. Free memory was 138.8MB in the beginning and 113.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.45ms. Allocated memory is still 199.2MB. Free memory was 113.7MB in the beginning and 111.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.74ms. Allocated memory is still 199.2MB. Free memory was 111.5MB in the beginning and 109.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 492.30ms. Allocated memory is still 199.2MB. Free memory was 109.1MB in the beginning and 78.4MB in the end (delta: 30.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1545.35ms. Allocated memory is still 199.2MB. Free memory was 77.7MB in the beginning and 64.4MB in the end (delta: 13.2MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; VAL [glob1=0, id={6:0}, mutex1={3:0}, mutex2={4:0}] [L697] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[0]]]] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={6:0}, mutex1={3:0}, mutex2={4:0}] [L685] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L686] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[5]]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L686] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,BinaryExpression[ARITHMOD,IdentifierExpression[glob1],IntegerLiteral[5]],IntegerLiteral[0]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L686] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L686] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[glob1],IntegerLiteral[127]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L686] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[glob1]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L686] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[glob1],IntegerLiteral[5]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L687] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L687] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,BinaryExpression[ARITHMOD,IdentifierExpression[glob1],IntegerLiteral[5]],IntegerLiteral[0]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L687] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[5]]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L687] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[glob1],IntegerLiteral[5]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L687] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[glob1],IntegerLiteral[127]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L687] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[glob1]]]] [L687] 1 glob1 = 5 VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L688] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L688] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[5]]]] VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L699] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,BinaryExpression[ARITHMOD,IdentifierExpression[glob1],IntegerLiteral[5]],IntegerLiteral[0]]]] VAL [arg={0:0}, arg={0:0}, glob1=5, id={6:0}, mutex1={3:0}, mutex2={4:0}] [L699] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[glob1],IntegerLiteral[127]]]] VAL [arg={0:0}, arg={0:0}, glob1=5, id={6:0}, mutex1={3:0}, mutex2={4:0}] [L699] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[glob1],IntegerLiteral[5]]]] VAL [arg={0:0}, arg={0:0}, glob1=5, id={6:0}, mutex1={3:0}, mutex2={4:0}] [L699] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[5]]]]] VAL [arg={0:0}, arg={0:0}, glob1=5, id={6:0}, mutex1={3:0}, mutex2={4:0}] [L699] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[glob1]]]] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 5)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 697]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 697]: 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: 685]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 161 locations, 61 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 481 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 269 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 107 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 477 IncrementalHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 107 mSolverCounterUnsat, 24 mSDtfsCounter, 477 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=382occurred in iteration=3, InterpolantAutomatonStates: 18, 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 168 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-01-29 14:39:10,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE