./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_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_41-traces-ex-7_unknown_1_neg.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a340643f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_41-traces-ex-7_unknown_1_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-a340643-m [2024-01-27 14:59:40,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 14:59:40,205 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 14:59:40,209 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 14:59:40,210 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 14:59:40,236 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 14:59:40,236 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 14:59:40,237 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 14:59:40,237 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 14:59:40,241 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 14:59:40,242 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 14:59:40,242 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 14:59:40,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 14:59:40,244 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 14:59:40,244 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 14:59:40,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 14:59:40,244 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 14:59:40,245 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 14:59:40,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 14:59:40,245 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 14:59:40,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 14:59:40,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 14:59:40,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 14:59:40,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 14:59:40,248 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 14:59:40,248 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 14:59:40,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 14:59:40,248 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 14:59:40,249 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 14:59:40,249 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 14:59:40,250 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 14:59:40,250 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 14:59:40,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:59:40,250 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 14:59:40,250 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 14:59:40,251 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 14:59:40,251 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 14:59:40,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 14:59:40,251 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 14:59:40,251 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 14:59:40,251 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 14:59:40,252 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 14:59:40,252 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 14:59:40,252 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 14:59:40,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 14:59:40,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 14:59:40,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 14:59:40,488 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 14:59:40,489 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 14:59:40,489 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2024-01-27 14:59:41,387 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 14:59:41,574 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 14:59:41,574 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2024-01-27 14:59:41,591 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a709cecb8/34f3ece99cd74cf4869ad5b65f9b6292/FLAGe63361eea [2024-01-27 14:59:41,600 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a709cecb8/34f3ece99cd74cf4869ad5b65f9b6292 [2024-01-27 14:59:41,602 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 14:59:41,602 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 14:59:41,603 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_41-traces-ex-7_unknown_1_neg.yml/witness.yml [2024-01-27 14:59:41,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 14:59:41,693 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 14:59:41,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 14:59:41,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 14:59:41,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 14:59:41,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:59:41" (1/2) ... [2024-01-27 14:59:41,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7765a2de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:41, skipping insertion in model container [2024-01-27 14:59:41,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:59:41" (1/2) ... [2024-01-27 14:59:41,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@266d0417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:41, skipping insertion in model container [2024-01-27 14:59:41,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:59:41" (2/2) ... [2024-01-27 14:59:41,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7765a2de and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:41, skipping insertion in model container [2024-01-27 14:59:41,701 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:59:41" (2/2) ... [2024-01-27 14:59:41,701 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 14:59:41,745 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 14:59:41,746 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] g <= 127 [2024-01-27 14:59:41,746 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] g % 17 == 0 [2024-01-27 14:59:41,747 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] 0 <= g [2024-01-27 14:59:41,747 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] g <= 17 [2024-01-27 14:59:41,747 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] g == 0 || g == 17 [2024-01-27 14:59:41,747 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] (unsigned long )arg == 0UL [2024-01-27 14:59:41,747 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] g <= 17 [2024-01-27 14:59:41,747 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] g <= 127 [2024-01-27 14:59:41,747 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] 0 <= g [2024-01-27 14:59:41,748 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] g == 0 || g == 17 [2024-01-27 14:59:41,748 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] g % 17 == 0 [2024-01-27 14:59:41,748 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g <= 17 [2024-01-27 14:59:41,748 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g % 17 == 0 [2024-01-27 14:59:41,748 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g == 0 || g == 17 [2024-01-27 14:59:41,748 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] 0 <= g [2024-01-27 14:59:41,748 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g <= 127 [2024-01-27 14:59:41,749 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g <= 17 [2024-01-27 14:59:41,749 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g % 17 == 0 [2024-01-27 14:59:41,749 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] 0 <= g [2024-01-27 14:59:41,749 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g <= 127 [2024-01-27 14:59:41,749 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g <= 17 [2024-01-27 14:59:41,750 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g == 0 || g == 17 [2024-01-27 14:59:41,752 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] 0 <= g [2024-01-27 14:59:41,752 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g <= 127 [2024-01-27 14:59:41,752 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g % 17 == 0 [2024-01-27 14:59:41,752 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g == 0 || g == 17 [2024-01-27 14:59:41,753 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] (unsigned long )arg == 0UL [2024-01-27 14:59:41,753 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] g == 0 || g == 17 [2024-01-27 14:59:41,753 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] 0 <= g [2024-01-27 14:59:41,753 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] g <= 127 [2024-01-27 14:59:41,753 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] g <= 17 [2024-01-27 14:59:41,753 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] g % 17 == 0 [2024-01-27 14:59:41,753 INFO L98 nessWitnessExtractor]: Location invariant before [L694-L694] g == 0 [2024-01-27 14:59:41,753 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] g <= 127 [2024-01-27 14:59:41,754 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] g % 17 == 0 [2024-01-27 14:59:41,754 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] g <= 17 [2024-01-27 14:59:41,754 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] g == 0 || g == 17 [2024-01-27 14:59:41,754 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] 0 <= g [2024-01-27 14:59:41,755 INFO L98 nessWitnessExtractor]: Location invariant before [L685-L685] (unsigned long )arg == 0UL [2024-01-27 14:59:41,756 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] 0 <= g [2024-01-27 14:59:41,756 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] g % 17 == 0 [2024-01-27 14:59:41,756 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] g <= 17 [2024-01-27 14:59:41,756 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] g <= 127 [2024-01-27 14:59:41,756 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] g == 0 || g == 17 [2024-01-27 14:59:41,757 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] g == 17 [2024-01-27 14:59:41,757 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] (unsigned long )arg == 0UL [2024-01-27 14:59:41,757 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] 0 <= g [2024-01-27 14:59:41,757 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] g <= 17 [2024-01-27 14:59:41,757 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] g <= 127 [2024-01-27 14:59:41,757 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] g % 17 == 0 [2024-01-27 14:59:41,758 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] (unsigned long )arg == 0UL [2024-01-27 14:59:41,758 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] g == 0 || g == 17 [2024-01-27 14:59:41,758 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] g == 17 [2024-01-27 14:59:41,758 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] (unsigned long )arg == 0UL [2024-01-27 14:59:41,793 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 14:59:41,934 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_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2024-01-27 14:59:42,032 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:59:42,045 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 14:59:42,056 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_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2024-01-27 14:59:42,056 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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-27 14:59:42,101 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:59:42,127 INFO L206 MainTranslator]: Completed translation [2024-01-27 14:59:42,127 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:42 WrapperNode [2024-01-27 14:59:42,127 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 14:59:42,128 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 14:59:42,128 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 14:59:42,128 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 14:59:42,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:42" (1/1) ... [2024-01-27 14:59:42,156 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:42" (1/1) ... [2024-01-27 14:59:42,179 INFO L138 Inliner]: procedures = 163, calls = 31, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-01-27 14:59:42,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 14:59:42,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 14:59:42,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 14:59:42,180 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 14:59:42,187 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:42" (1/1) ... [2024-01-27 14:59:42,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:42" (1/1) ... [2024-01-27 14:59:42,189 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:42" (1/1) ... [2024-01-27 14:59:42,202 INFO L175 MemorySlicer]: Split 13 memory accesses to 4 slices as follows [2, 5, 5, 1]. 38 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]. [2024-01-27 14:59:42,202 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:42" (1/1) ... [2024-01-27 14:59:42,202 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:42" (1/1) ... [2024-01-27 14:59:42,213 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:42" (1/1) ... [2024-01-27 14:59:42,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:42" (1/1) ... [2024-01-27 14:59:42,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:42" (1/1) ... [2024-01-27 14:59:42,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:42" (1/1) ... [2024-01-27 14:59:42,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 14:59:42,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 14:59:42,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 14:59:42,223 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 14:59:42,223 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:42" (1/1) ... [2024-01-27 14:59:42,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:59:42,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 14:59:42,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-27 14:59:42,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-27 14:59:42,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 14:59:42,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 14:59:42,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 14:59:42,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-27 14:59:42,280 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-27 14:59:42,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 14:59:42,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 14:59:42,280 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-01-27 14:59:42,280 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-01-27 14:59:42,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 14:59:42,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 14:59:42,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 14:59:42,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 14:59:42,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-27 14:59:42,280 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-27 14:59:42,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 14:59:42,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 14:59:42,281 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-27 14:59:42,407 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 14:59:42,409 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 14:59:42,600 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 14:59:42,601 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 14:59:42,673 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 14:59:42,673 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-27 14:59:42,673 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:59:42 BoogieIcfgContainer [2024-01-27 14:59:42,673 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 14:59:42,675 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 14:59:42,675 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 14:59:42,681 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 14:59:42,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 02:59:41" (1/4) ... [2024-01-27 14:59:42,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b76f960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:59:42, skipping insertion in model container [2024-01-27 14:59:42,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:59:41" (2/4) ... [2024-01-27 14:59:42,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b76f960 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 02:59:42, skipping insertion in model container [2024-01-27 14:59:42,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:42" (3/4) ... [2024-01-27 14:59:42,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b76f960 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 02:59:42, skipping insertion in model container [2024-01-27 14:59:42,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:59:42" (4/4) ... [2024-01-27 14:59:42,683 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_neg.i [2024-01-27 14:59:42,696 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 14:59:42,697 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2024-01-27 14:59:42,697 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 14:59:42,757 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-27 14:59:42,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 105 places, 102 transitions, 208 flow [2024-01-27 14:59:42,825 INFO L124 PetriNetUnfolderBase]: 1/101 cut-off events. [2024-01-27 14:59:42,827 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 14:59:42,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 101 events. 1/101 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 206 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 97. Up to 2 conditions per place. [2024-01-27 14:59:42,831 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 102 transitions, 208 flow [2024-01-27 14:59:42,834 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 101 transitions, 205 flow [2024-01-27 14:59:42,847 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 14:59:42,853 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;@d3309c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 14:59:42,853 INFO L358 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2024-01-27 14:59:42,855 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 14:59:42,855 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 14:59:42,855 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 14:59:42,856 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:42,856 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 14:59:42,856 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 56 more)] === [2024-01-27 14:59:42,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:42,860 INFO L85 PathProgramCache]: Analyzing trace with hash 8808, now seen corresponding path program 1 times [2024-01-27 14:59:42,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:42,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651845374] [2024-01-27 14:59:42,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:42,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:43,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:59:43,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:43,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651845374] [2024-01-27 14:59:43,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651845374] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:43,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:43,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:59:43,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332766443] [2024-01-27 14:59:43,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:43,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:59:43,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:43,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:59:43,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:59:43,192 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 102 [2024-01-27 14:59:43,194 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 101 transitions, 205 flow. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:43,194 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:43,195 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 102 [2024-01-27 14:59:43,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:43,363 INFO L124 PetriNetUnfolderBase]: 156/590 cut-off events. [2024-01-27 14:59:43,363 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 14:59:43,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 945 conditions, 590 events. 156/590 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3811 event pairs, 114 based on Foata normal form. 118/653 useless extension candidates. Maximal degree in co-relation 934. Up to 311 conditions per place. [2024-01-27 14:59:43,369 INFO L140 encePairwiseOnDemand]: 68/102 looper letters, 43 selfloop transitions, 2 changer transitions 0/96 dead transitions. [2024-01-27 14:59:43,370 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 96 transitions, 285 flow [2024-01-27 14:59:43,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:59:43,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:59:43,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 234 transitions. [2024-01-27 14:59:43,384 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7647058823529411 [2024-01-27 14:59:43,386 INFO L175 Difference]: Start difference. First operand has 104 places, 101 transitions, 205 flow. Second operand 3 states and 234 transitions. [2024-01-27 14:59:43,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 96 transitions, 285 flow [2024-01-27 14:59:43,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 96 transitions, 284 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 14:59:43,396 INFO L231 Difference]: Finished difference. Result has 95 places, 89 transitions, 226 flow [2024-01-27 14:59:43,398 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=226, PETRI_PLACES=95, PETRI_TRANSITIONS=89} [2024-01-27 14:59:43,404 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -9 predicate places. [2024-01-27 14:59:43,404 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 89 transitions, 226 flow [2024-01-27 14:59:43,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:43,404 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:43,404 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-27 14:59:43,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-27 14:59:43,405 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 56 more)] === [2024-01-27 14:59:43,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:43,406 INFO L85 PathProgramCache]: Analyzing trace with hash 262789893, now seen corresponding path program 1 times [2024-01-27 14:59:43,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:43,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898253185] [2024-01-27 14:59:43,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:43,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:43,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:43,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:59:43,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:43,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898253185] [2024-01-27 14:59:43,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898253185] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:43,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:43,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 14:59:43,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744700641] [2024-01-27 14:59:43,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:43,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:59:43,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:43,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:59:43,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:59:43,619 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 102 [2024-01-27 14:59:43,620 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 89 transitions, 226 flow. Second operand has 4 states, 4 states have (on average 79.25) internal successors, (317), 4 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:43,620 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:43,621 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 102 [2024-01-27 14:59:43,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:43,691 INFO L124 PetriNetUnfolderBase]: 49/335 cut-off events. [2024-01-27 14:59:43,691 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-01-27 14:59:43,693 INFO L83 FinitePrefix]: Finished finitePrefix Result has 493 conditions, 335 events. 49/335 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1665 event pairs, 0 based on Foata normal form. 40/354 useless extension candidates. Maximal degree in co-relation 480. Up to 105 conditions per place. [2024-01-27 14:59:43,694 INFO L140 encePairwiseOnDemand]: 94/102 looper letters, 22 selfloop transitions, 2 changer transitions 0/90 dead transitions. [2024-01-27 14:59:43,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 90 transitions, 276 flow [2024-01-27 14:59:43,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 14:59:43,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 14:59:43,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 342 transitions. [2024-01-27 14:59:43,698 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8382352941176471 [2024-01-27 14:59:43,698 INFO L175 Difference]: Start difference. First operand has 95 places, 89 transitions, 226 flow. Second operand 4 states and 342 transitions. [2024-01-27 14:59:43,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 90 transitions, 276 flow [2024-01-27 14:59:43,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 90 transitions, 272 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:59:43,702 INFO L231 Difference]: Finished difference. Result has 90 places, 83 transitions, 214 flow [2024-01-27 14:59:43,702 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=214, PETRI_PLACES=90, PETRI_TRANSITIONS=83} [2024-01-27 14:59:43,702 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -14 predicate places. [2024-01-27 14:59:43,703 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 83 transitions, 214 flow [2024-01-27 14:59:43,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.25) internal successors, (317), 4 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:43,711 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:43,711 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] [2024-01-27 14:59:43,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-27 14:59:43,711 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 56 more)] === [2024-01-27 14:59:43,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:43,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1247592629, now seen corresponding path program 1 times [2024-01-27 14:59:43,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:43,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272441466] [2024-01-27 14:59:43,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:43,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:43,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:59:43,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:43,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272441466] [2024-01-27 14:59:43,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272441466] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:43,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:43,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 14:59:43,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684516528] [2024-01-27 14:59:43,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:43,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:59:43,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:43,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:59:43,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:59:43,836 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 102 [2024-01-27 14:59:43,837 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 83 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:43,837 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:43,837 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 102 [2024-01-27 14:59:43,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:43,884 INFO L124 PetriNetUnfolderBase]: 56/249 cut-off events. [2024-01-27 14:59:43,884 INFO L125 PetriNetUnfolderBase]: For 100/100 co-relation queries the response was YES. [2024-01-27 14:59:43,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 395 conditions, 249 events. 56/249 cut-off events. For 100/100 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1074 event pairs, 14 based on Foata normal form. 120/361 useless extension candidates. Maximal degree in co-relation 382. Up to 90 conditions per place. [2024-01-27 14:59:43,886 INFO L140 encePairwiseOnDemand]: 79/102 looper letters, 20 selfloop transitions, 1 changer transitions 8/68 dead transitions. [2024-01-27 14:59:43,886 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 68 transitions, 194 flow [2024-01-27 14:59:43,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:59:43,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:59:43,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 200 transitions. [2024-01-27 14:59:43,887 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6535947712418301 [2024-01-27 14:59:43,887 INFO L175 Difference]: Start difference. First operand has 90 places, 83 transitions, 214 flow. Second operand 3 states and 200 transitions. [2024-01-27 14:59:43,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 68 transitions, 194 flow [2024-01-27 14:59:43,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 68 transitions, 189 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-01-27 14:59:43,890 INFO L231 Difference]: Finished difference. Result has 67 places, 55 transitions, 115 flow [2024-01-27 14:59:43,890 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=125, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=115, PETRI_PLACES=67, PETRI_TRANSITIONS=55} [2024-01-27 14:59:43,891 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -37 predicate places. [2024-01-27 14:59:43,891 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 55 transitions, 115 flow [2024-01-27 14:59:43,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:43,891 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:43,892 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] [2024-01-27 14:59:43,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-27 14:59:43,892 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 56 more)] === [2024-01-27 14:59:43,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:43,893 INFO L85 PathProgramCache]: Analyzing trace with hash 2137343101, now seen corresponding path program 1 times [2024-01-27 14:59:43,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:43,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847630313] [2024-01-27 14:59:43,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:43,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 14:59:43,914 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-27 14:59:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 14:59:43,938 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-27 14:59:43,939 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-27 14:59:43,939 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (58 of 59 remaining) [2024-01-27 14:59:43,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 59 remaining) [2024-01-27 14:59:43,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 59 remaining) [2024-01-27 14:59:43,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 59 remaining) [2024-01-27 14:59:43,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 59 remaining) [2024-01-27 14:59:43,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 59 remaining) [2024-01-27 14:59:43,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 59 remaining) [2024-01-27 14:59:43,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 59 remaining) [2024-01-27 14:59:43,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 59 remaining) [2024-01-27 14:59:43,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 59 remaining) [2024-01-27 14:59:43,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 59 remaining) [2024-01-27 14:59:43,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 59 remaining) [2024-01-27 14:59:43,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 59 remaining) [2024-01-27 14:59:43,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 59 remaining) [2024-01-27 14:59:43,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 59 remaining) [2024-01-27 14:59:43,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 59 remaining) [2024-01-27 14:59:43,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 59 remaining) [2024-01-27 14:59:43,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 59 remaining) [2024-01-27 14:59:43,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 59 remaining) [2024-01-27 14:59:43,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 59 remaining) [2024-01-27 14:59:43,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 59 remaining) [2024-01-27 14:59:43,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 59 remaining) [2024-01-27 14:59:43,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 59 remaining) [2024-01-27 14:59:43,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 59 remaining) [2024-01-27 14:59:43,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 59 remaining) [2024-01-27 14:59:43,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 59 remaining) [2024-01-27 14:59:43,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 59 remaining) [2024-01-27 14:59:43,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 59 remaining) [2024-01-27 14:59:43,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 59 remaining) [2024-01-27 14:59:43,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 59 remaining) [2024-01-27 14:59:43,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 59 remaining) [2024-01-27 14:59:43,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 59 remaining) [2024-01-27 14:59:43,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 59 remaining) [2024-01-27 14:59:43,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 59 remaining) [2024-01-27 14:59:43,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 59 remaining) [2024-01-27 14:59:43,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 59 remaining) [2024-01-27 14:59:43,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 59 remaining) [2024-01-27 14:59:43,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 59 remaining) [2024-01-27 14:59:43,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 59 remaining) [2024-01-27 14:59:43,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr16ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 59 remaining) [2024-01-27 14:59:43,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr17ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 59 remaining) [2024-01-27 14:59:43,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 59 remaining) [2024-01-27 14:59:43,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 59 remaining) [2024-01-27 14:59:43,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 59 remaining) [2024-01-27 14:59:43,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 59 remaining) [2024-01-27 14:59:43,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 59 remaining) [2024-01-27 14:59:43,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 59 remaining) [2024-01-27 14:59:43,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 59 remaining) [2024-01-27 14:59:43,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 59 remaining) [2024-01-27 14:59:43,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 59 remaining) [2024-01-27 14:59:43,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 59 remaining) [2024-01-27 14:59:43,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 59 remaining) [2024-01-27 14:59:43,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 59 remaining) [2024-01-27 14:59:43,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 59 remaining) [2024-01-27 14:59:43,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 59 remaining) [2024-01-27 14:59:43,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 59 remaining) [2024-01-27 14:59:43,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 59 remaining) [2024-01-27 14:59:43,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr16ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 59 remaining) [2024-01-27 14:59:43,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr17ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 59 remaining) [2024-01-27 14:59:43,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-27 14:59:43,951 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-01-27 14:59:43,956 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-27 14:59:43,956 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-27 14:59:43,977 INFO L503 ceAbstractionStarter]: Automizer considered 39 witness invariants [2024-01-27 14:59:43,978 INFO L504 ceAbstractionStarter]: WitnessConsidered=39 [2024-01-27 14:59:43,978 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 02:59:43 BasicIcfg [2024-01-27 14:59:43,978 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-27 14:59:43,979 INFO L158 Benchmark]: Toolchain (without parser) took 2285.98ms. Allocated memory was 142.6MB in the beginning and 205.5MB in the end (delta: 62.9MB). Free memory was 62.2MB in the beginning and 134.0MB in the end (delta: -71.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:59:43,979 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 114.6MB in the end (delta: 135.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:59:43,979 INFO L158 Benchmark]: Witness Parser took 4.11ms. Allocated memory is still 142.6MB. Free memory was 66.5MB in the beginning and 66.4MB in the end (delta: 152.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:59:43,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.47ms. Allocated memory is still 142.6MB. Free memory was 62.0MB in the beginning and 98.2MB in the end (delta: -36.2MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2024-01-27 14:59:43,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.91ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 96.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-27 14:59:43,980 INFO L158 Benchmark]: Boogie Preprocessor took 42.29ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 94.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-27 14:59:43,980 INFO L158 Benchmark]: RCFGBuilder took 450.82ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 87.3MB in the end (delta: 6.7MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2024-01-27 14:59:43,981 INFO L158 Benchmark]: TraceAbstraction took 1303.47ms. Allocated memory was 142.6MB in the beginning and 205.5MB in the end (delta: 62.9MB). Free memory was 86.6MB in the beginning and 134.0MB in the end (delta: -47.4MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2024-01-27 14:59:43,982 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 114.6MB in the end (delta: 135.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 4.11ms. Allocated memory is still 142.6MB. Free memory was 66.5MB in the beginning and 66.4MB in the end (delta: 152.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 433.47ms. Allocated memory is still 142.6MB. Free memory was 62.0MB in the beginning and 98.2MB in the end (delta: -36.2MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.91ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 96.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.29ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 94.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 450.82ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 87.3MB in the end (delta: 6.7MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1303.47ms. Allocated memory was 142.6MB in the beginning and 205.5MB in the end (delta: 62.9MB). Free memory was 86.6MB in the beginning and 134.0MB in the end (delta: -47.4MB). Peak memory consumption was 17.3MB. 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 g = 0; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L693] 0 pthread_t id; VAL [A={3:0}, D={4:0}, g=0, id={5:0}] [L694] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[g],IntegerLiteral[0]]]] [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L696] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,BinaryExpression[ARITHMOD,IdentifierExpression[g],IntegerLiteral[17]],IntegerLiteral[0]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L696] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[g],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[g],IntegerLiteral[17]]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L696] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[g]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L696] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[g],IntegerLiteral[127]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L696] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[g],IntegerLiteral[17]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L697] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[g]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L697] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[g],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[g],IntegerLiteral[17]]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L697] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[g],IntegerLiteral[17]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L697] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,BinaryExpression[ARITHMOD,IdentifierExpression[g],IntegerLiteral[17]],IntegerLiteral[0]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L697] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[g],IntegerLiteral[127]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L698] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,BinaryExpression[ARITHMOD,IdentifierExpression[g],IntegerLiteral[17]],IntegerLiteral[0]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L698] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[g],IntegerLiteral[17]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L698] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[g],IntegerLiteral[127]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L698] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[g]]]] VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}] [L698] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[g],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[g],IntegerLiteral[17]]]]] [L698] CALL 0 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 0 !(cond) VAL [A={3:0}, D={4:0}, \old(cond)=0, arg={0:0}, cond=0, g=0] [L19] 0 reach_error() VAL [A={3:0}, D={4:0}, \old(cond)=0, arg={0:0}, cond=0, g=0] - UnprovableResult [Line: 694]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 696]: 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 invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - 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: 697]: 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 invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - 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: 698]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 698]: 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: 694]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 149 locations, 59 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: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 302 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 185 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 257 IncrementalHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 22 mSDtfsCounter, 257 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226occurred in iteration=1, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-01-27 14:59:44,005 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE