./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 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_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-ab2e0ac-m [2024-01-29 14:39:10,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 14:39:10,552 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 14:39:10,555 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 14:39:10,556 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 14:39:10,577 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 14:39:10,577 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 14:39:10,578 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 14:39:10,579 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 14:39:10,582 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 14:39:10,582 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 14:39:10,582 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 14:39:10,583 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 14:39:10,584 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 14:39:10,584 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 14:39:10,584 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 14:39:10,585 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 14:39:10,585 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 14:39:10,585 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 14:39:10,585 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 14:39:10,585 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 14:39:10,586 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 14:39:10,586 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 14:39:10,586 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 14:39:10,587 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 14:39:10,587 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 14:39:10,587 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 14:39:10,587 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 14:39:10,588 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 14:39:10,588 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 14:39:10,589 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 14:39:10,589 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 14:39:10,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:39:10,601 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 14:39:10,602 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 14:39:10,602 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 14:39:10,602 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 14:39:10,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 14:39:10,602 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 14:39:10,603 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 14:39:10,603 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 14:39:10,603 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 14:39:10,604 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 14:39:10,604 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 14:39:10,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 14:39:10,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 14:39:10,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 14:39:10,830 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 14:39:10,831 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 14:39:10,832 INFO L431 ainManager$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 [2024-01-29 14:39:11,847 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 14:39:12,081 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 14:39:12,082 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2024-01-29 14:39:12,092 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e3c1132e/84a6e39a06b9457cba02865d27ecc1ce/FLAG8518ba470 [2024-01-29 14:39:12,109 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e3c1132e/84a6e39a06b9457cba02865d27ecc1ce [2024-01-29 14:39:12,111 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 14:39:12,114 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 14:39:12,115 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_41-traces-ex-7_unknown_1_neg.yml/witness.yml [2024-01-29 14:39:12,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 14:39:12,214 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 14:39:12,215 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 14:39:12,215 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 14:39:12,219 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 14:39:12,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:39:12" (1/2) ... [2024-01-29 14:39:12,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de0fb70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:12, skipping insertion in model container [2024-01-29 14:39:12,221 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:39:12" (1/2) ... [2024-01-29 14:39:12,223 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3233dacf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:12, skipping insertion in model container [2024-01-29 14:39:12,223 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:39:12" (2/2) ... [2024-01-29 14:39:12,223 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de0fb70 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:12, skipping insertion in model container [2024-01-29 14:39:12,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:39:12" (2/2) ... [2024-01-29 14:39:12,224 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 14:39:12,269 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 14:39:12,270 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] g <= 17 [2024-01-29 14:39:12,270 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] g == 0 || g == 17 [2024-01-29 14:39:12,271 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] g <= 127 [2024-01-29 14:39:12,271 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] 0 <= g [2024-01-29 14:39:12,271 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] g % 17 == 0 [2024-01-29 14:39:12,271 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] (unsigned long )arg == 0UL [2024-01-29 14:39:12,272 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] (unsigned long )arg == 0UL [2024-01-29 14:39:12,272 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] g == 17 [2024-01-29 14:39:12,272 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] g == 0 || g == 17 [2024-01-29 14:39:12,272 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] 0 <= g [2024-01-29 14:39:12,272 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] g % 17 == 0 [2024-01-29 14:39:12,272 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] g <= 127 [2024-01-29 14:39:12,272 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] g <= 17 [2024-01-29 14:39:12,272 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] g % 17 == 0 [2024-01-29 14:39:12,273 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] 0 <= g [2024-01-29 14:39:12,273 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] g == 0 || g == 17 [2024-01-29 14:39:12,273 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] g <= 127 [2024-01-29 14:39:12,273 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] g <= 17 [2024-01-29 14:39:12,273 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] g <= 127 [2024-01-29 14:39:12,273 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] g <= 17 [2024-01-29 14:39:12,274 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] 0 <= g [2024-01-29 14:39:12,274 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] g == 0 || g == 17 [2024-01-29 14:39:12,274 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] g % 17 == 0 [2024-01-29 14:39:12,274 INFO L98 nessWitnessExtractor]: Location invariant before [L685-L685] (unsigned long )arg == 0UL [2024-01-29 14:39:12,274 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g == 0 || g == 17 [2024-01-29 14:39:12,274 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g <= 127 [2024-01-29 14:39:12,274 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] 0 <= g [2024-01-29 14:39:12,275 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] 0 <= g [2024-01-29 14:39:12,275 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g <= 17 [2024-01-29 14:39:12,275 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g % 17 == 0 [2024-01-29 14:39:12,275 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g <= 127 [2024-01-29 14:39:12,275 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g <= 17 [2024-01-29 14:39:12,275 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] 0 <= g [2024-01-29 14:39:12,275 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g == 0 || g == 17 [2024-01-29 14:39:12,275 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g % 17 == 0 [2024-01-29 14:39:12,276 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g <= 127 [2024-01-29 14:39:12,276 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g == 0 || g == 17 [2024-01-29 14:39:12,276 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g % 17 == 0 [2024-01-29 14:39:12,277 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] g <= 17 [2024-01-29 14:39:12,277 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] (unsigned long )arg == 0UL [2024-01-29 14:39:12,277 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] g == 17 [2024-01-29 14:39:12,277 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] (unsigned long )arg == 0UL [2024-01-29 14:39:12,278 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] g <= 17 [2024-01-29 14:39:12,278 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] g % 17 == 0 [2024-01-29 14:39:12,278 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] 0 <= g [2024-01-29 14:39:12,278 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] g == 0 || g == 17 [2024-01-29 14:39:12,278 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] g <= 127 [2024-01-29 14:39:12,279 INFO L98 nessWitnessExtractor]: Location invariant before [L694-L694] g == 0 [2024-01-29 14:39:12,279 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] g <= 127 [2024-01-29 14:39:12,279 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] g <= 17 [2024-01-29 14:39:12,279 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] (unsigned long )arg == 0UL [2024-01-29 14:39:12,279 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] 0 <= g [2024-01-29 14:39:12,279 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] g == 0 || g == 17 [2024-01-29 14:39:12,280 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] g % 17 == 0 [2024-01-29 14:39:12,313 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 14:39:12,436 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] [2024-01-29 14:39:12,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:39:12,543 INFO L202 MainTranslator]: Completed pre-run [2024-01-29 14:39:12,551 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] [2024-01-29 14:39:12,552 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 [2024-01-29 14:39:12,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:39:12,636 INFO L206 MainTranslator]: Completed translation [2024-01-29 14:39:12,637 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:12 WrapperNode [2024-01-29 14:39:12,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 14:39:12,638 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 14:39:12,638 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 14:39:12,638 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 14:39:12,643 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 29.01 02:39:12" (1/1) ... [2024-01-29 14:39:12,669 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 29.01 02:39:12" (1/1) ... [2024-01-29 14:39:12,695 INFO L138 Inliner]: procedures = 163, calls = 31, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-01-29 14:39:12,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 14:39:12,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 14:39:12,699 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 14:39:12,699 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 14:39:12,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:12" (1/1) ... [2024-01-29 14:39:12,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:12" (1/1) ... [2024-01-29 14:39:12,715 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:12" (1/1) ... [2024-01-29 14:39:12,742 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]. [2024-01-29 14:39:12,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:12" (1/1) ... [2024-01-29 14:39:12,743 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:12" (1/1) ... [2024-01-29 14:39:12,753 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:12" (1/1) ... [2024-01-29 14:39:12,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:12" (1/1) ... [2024-01-29 14:39:12,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:12" (1/1) ... [2024-01-29 14:39:12,756 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:12" (1/1) ... [2024-01-29 14:39:12,759 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 14:39:12,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 14:39:12,760 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 14:39:12,760 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 14:39:12,761 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:12" (1/1) ... [2024-01-29 14:39:12,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:39:12,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 14:39:12,783 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 14:39:12,801 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 14:39:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 14:39:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 14:39:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 14:39:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-29 14:39:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-29 14:39:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 14:39:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 14:39:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-01-29 14:39:12,817 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-01-29 14:39:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 14:39:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 14:39:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 14:39:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 14:39:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-29 14:39:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-29 14:39:12,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 14:39:12,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 14:39:12,819 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 14:39:12,947 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 14:39:12,948 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 14:39:13,169 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 14:39:13,169 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 14:39:13,256 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 14:39:13,256 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-29 14:39:13,257 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:39:13 BoogieIcfgContainer [2024-01-29 14:39:13,257 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 14:39:13,258 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 14:39:13,258 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 14:39:13,261 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 14:39:13,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 02:39:12" (1/4) ... [2024-01-29 14:39:13,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ed9259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:39:13, skipping insertion in model container [2024-01-29 14:39:13,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:39:12" (2/4) ... [2024-01-29 14:39:13,262 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ed9259 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:39:13, skipping insertion in model container [2024-01-29 14:39:13,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:12" (3/4) ... [2024-01-29 14:39:13,262 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ed9259 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:39:13, skipping insertion in model container [2024-01-29 14:39:13,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:39:13" (4/4) ... [2024-01-29 14:39:13,263 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_neg.i [2024-01-29 14:39:13,275 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 14:39:13,276 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2024-01-29 14:39:13,276 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 14:39:13,358 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-29 14:39:13,389 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 105 places, 102 transitions, 208 flow [2024-01-29 14:39:13,426 INFO L124 PetriNetUnfolderBase]: 1/101 cut-off events. [2024-01-29 14:39:13,426 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:39:13,430 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. [2024-01-29 14:39:13,430 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 102 transitions, 208 flow [2024-01-29 14:39:13,433 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 101 transitions, 205 flow [2024-01-29 14:39:13,440 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 14:39:13,445 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;@1147f994, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 14:39:13,446 INFO L358 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2024-01-29 14:39:13,448 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 14:39:13,448 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 14:39:13,448 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:39:13,448 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:39:13,448 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 14:39:13,449 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)] === [2024-01-29 14:39:13,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:39:13,452 INFO L85 PathProgramCache]: Analyzing trace with hash 8808, now seen corresponding path program 1 times [2024-01-29 14:39:13,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:39:13,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408977146] [2024-01-29 14:39:13,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:39:13,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:39:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:39:13,599 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 14:39:13,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:39:13,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408977146] [2024-01-29 14:39:13,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408977146] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:39:13,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:39:13,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:39:13,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027203220] [2024-01-29 14:39:13,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:39:13,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:39:13,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:39:13,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:39:13,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:39:13,758 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 102 [2024-01-29 14:39:13,760 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) [2024-01-29 14:39:13,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:39:13,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 102 [2024-01-29 14:39:13,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:39:13,964 INFO L124 PetriNetUnfolderBase]: 156/610 cut-off events. [2024-01-29 14:39:13,965 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:39:13,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 965 conditions, 610 events. 156/610 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 3983 event pairs, 114 based on Foata normal form. 118/663 useless extension candidates. Maximal degree in co-relation 954. Up to 311 conditions per place. [2024-01-29 14:39:13,971 INFO L140 encePairwiseOnDemand]: 68/102 looper letters, 43 selfloop transitions, 2 changer transitions 0/96 dead transitions. [2024-01-29 14:39:13,972 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 96 transitions, 285 flow [2024-01-29 14:39:13,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:39:13,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:39:13,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 234 transitions. [2024-01-29 14:39:13,982 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7647058823529411 [2024-01-29 14:39:13,984 INFO L175 Difference]: Start difference. First operand has 104 places, 101 transitions, 205 flow. Second operand 3 states and 234 transitions. [2024-01-29 14:39:13,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 96 transitions, 285 flow [2024-01-29 14:39:13,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 96 transitions, 284 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 14:39:13,995 INFO L231 Difference]: Finished difference. Result has 95 places, 89 transitions, 226 flow [2024-01-29 14:39:13,997 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} [2024-01-29 14:39:14,000 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -9 predicate places. [2024-01-29 14:39:14,001 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 89 transitions, 226 flow [2024-01-29 14:39:14,001 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) [2024-01-29 14:39:14,001 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:39:14,001 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-29 14:39:14,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 14:39:14,002 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)] === [2024-01-29 14:39:14,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:39:14,005 INFO L85 PathProgramCache]: Analyzing trace with hash 262789893, now seen corresponding path program 1 times [2024-01-29 14:39:14,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:39:14,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95166632] [2024-01-29 14:39:14,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:39:14,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:39:14,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:39:14,195 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 14:39:14,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:39:14,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95166632] [2024-01-29 14:39:14,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95166632] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:39:14,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:39:14,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 14:39:14,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461032618] [2024-01-29 14:39:14,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:39:14,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 14:39:14,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:39:14,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 14:39:14,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 14:39:14,217 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 102 [2024-01-29 14:39:14,218 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) [2024-01-29 14:39:14,218 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:39:14,218 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 102 [2024-01-29 14:39:14,218 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:39:14,292 INFO L124 PetriNetUnfolderBase]: 49/335 cut-off events. [2024-01-29 14:39:14,292 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-01-29 14:39:14,295 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 1646 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. [2024-01-29 14:39:14,297 INFO L140 encePairwiseOnDemand]: 94/102 looper letters, 22 selfloop transitions, 2 changer transitions 0/90 dead transitions. [2024-01-29 14:39:14,297 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 90 transitions, 276 flow [2024-01-29 14:39:14,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 14:39:14,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 14:39:14,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 342 transitions. [2024-01-29 14:39:14,302 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8382352941176471 [2024-01-29 14:39:14,302 INFO L175 Difference]: Start difference. First operand has 95 places, 89 transitions, 226 flow. Second operand 4 states and 342 transitions. [2024-01-29 14:39:14,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 90 transitions, 276 flow [2024-01-29 14:39:14,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 90 transitions, 272 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:39:14,305 INFO L231 Difference]: Finished difference. Result has 90 places, 83 transitions, 214 flow [2024-01-29 14:39:14,306 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} [2024-01-29 14:39:14,306 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -14 predicate places. [2024-01-29 14:39:14,306 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 83 transitions, 214 flow [2024-01-29 14:39:14,307 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) [2024-01-29 14:39:14,307 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:39:14,307 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] [2024-01-29 14:39:14,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 14:39:14,307 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 56 more)] === [2024-01-29 14:39:14,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:39:14,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1206681078, now seen corresponding path program 1 times [2024-01-29 14:39:14,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:39:14,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135896465] [2024-01-29 14:39:14,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:39:14,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:39:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:39:14,388 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 14:39:14,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:39:14,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135896465] [2024-01-29 14:39:14,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135896465] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:39:14,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:39:14,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 14:39:14,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591441470] [2024-01-29 14:39:14,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:39:14,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:39:14,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:39:14,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:39:14,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:39:14,465 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 102 [2024-01-29 14:39:14,466 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) [2024-01-29 14:39:14,466 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:39:14,466 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 102 [2024-01-29 14:39:14,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:39:14,512 INFO L124 PetriNetUnfolderBase]: 56/249 cut-off events. [2024-01-29 14:39:14,513 INFO L125 PetriNetUnfolderBase]: For 100/100 co-relation queries the response was YES. [2024-01-29 14:39:14,513 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 13. Compared 1090 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. [2024-01-29 14:39:14,514 INFO L140 encePairwiseOnDemand]: 79/102 looper letters, 20 selfloop transitions, 1 changer transitions 8/68 dead transitions. [2024-01-29 14:39:14,514 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 68 transitions, 194 flow [2024-01-29 14:39:14,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:39:14,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:39:14,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 200 transitions. [2024-01-29 14:39:14,515 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6535947712418301 [2024-01-29 14:39:14,515 INFO L175 Difference]: Start difference. First operand has 90 places, 83 transitions, 214 flow. Second operand 3 states and 200 transitions. [2024-01-29 14:39:14,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 68 transitions, 194 flow [2024-01-29 14:39:14,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 68 transitions, 189 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-01-29 14:39:14,517 INFO L231 Difference]: Finished difference. Result has 67 places, 55 transitions, 115 flow [2024-01-29 14:39:14,518 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} [2024-01-29 14:39:14,519 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -37 predicate places. [2024-01-29 14:39:14,519 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 55 transitions, 115 flow [2024-01-29 14:39:14,519 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) [2024-01-29 14:39:14,519 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:39:14,519 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] [2024-01-29 14:39:14,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-29 14:39:14,519 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)] === [2024-01-29 14:39:14,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:39:14,520 INFO L85 PathProgramCache]: Analyzing trace with hash 2137343101, now seen corresponding path program 1 times [2024-01-29 14:39:14,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:39:14,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022090850] [2024-01-29 14:39:14,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:39:14,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:39:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 14:39:14,539 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-29 14:39:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 14:39:14,572 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-29 14:39:14,572 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-29 14:39:14,573 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (58 of 59 remaining) [2024-01-29 14:39:14,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 59 remaining) [2024-01-29 14:39:14,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 59 remaining) [2024-01-29 14:39:14,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 59 remaining) [2024-01-29 14:39:14,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 59 remaining) [2024-01-29 14:39:14,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 59 remaining) [2024-01-29 14:39:14,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 59 remaining) [2024-01-29 14:39:14,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 59 remaining) [2024-01-29 14:39:14,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 59 remaining) [2024-01-29 14:39:14,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 59 remaining) [2024-01-29 14:39:14,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 59 remaining) [2024-01-29 14:39:14,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 59 remaining) [2024-01-29 14:39:14,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 59 remaining) [2024-01-29 14:39:14,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 59 remaining) [2024-01-29 14:39:14,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 59 remaining) [2024-01-29 14:39:14,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 59 remaining) [2024-01-29 14:39:14,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 59 remaining) [2024-01-29 14:39:14,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 59 remaining) [2024-01-29 14:39:14,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 59 remaining) [2024-01-29 14:39:14,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 59 remaining) [2024-01-29 14:39:14,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 59 remaining) [2024-01-29 14:39:14,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 59 remaining) [2024-01-29 14:39:14,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 59 remaining) [2024-01-29 14:39:14,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 59 remaining) [2024-01-29 14:39:14,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 59 remaining) [2024-01-29 14:39:14,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 59 remaining) [2024-01-29 14:39:14,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 59 remaining) [2024-01-29 14:39:14,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 59 remaining) [2024-01-29 14:39:14,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 59 remaining) [2024-01-29 14:39:14,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 59 remaining) [2024-01-29 14:39:14,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 59 remaining) [2024-01-29 14:39:14,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 59 remaining) [2024-01-29 14:39:14,582 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 59 remaining) [2024-01-29 14:39:14,582 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 59 remaining) [2024-01-29 14:39:14,582 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 59 remaining) [2024-01-29 14:39:14,582 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 59 remaining) [2024-01-29 14:39:14,582 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 59 remaining) [2024-01-29 14:39:14,582 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 59 remaining) [2024-01-29 14:39:14,582 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 59 remaining) [2024-01-29 14:39:14,582 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr16ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 59 remaining) [2024-01-29 14:39:14,582 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr17ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 59 remaining) [2024-01-29 14:39:14,582 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 59 remaining) [2024-01-29 14:39:14,582 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 59 remaining) [2024-01-29 14:39:14,583 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 59 remaining) [2024-01-29 14:39:14,583 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 59 remaining) [2024-01-29 14:39:14,583 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 59 remaining) [2024-01-29 14:39:14,583 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 59 remaining) [2024-01-29 14:39:14,583 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 59 remaining) [2024-01-29 14:39:14,583 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 59 remaining) [2024-01-29 14:39:14,583 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 59 remaining) [2024-01-29 14:39:14,583 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 59 remaining) [2024-01-29 14:39:14,583 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 59 remaining) [2024-01-29 14:39:14,583 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 59 remaining) [2024-01-29 14:39:14,583 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 59 remaining) [2024-01-29 14:39:14,583 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 59 remaining) [2024-01-29 14:39:14,584 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 59 remaining) [2024-01-29 14:39:14,584 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 59 remaining) [2024-01-29 14:39:14,584 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr16ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 59 remaining) [2024-01-29 14:39:14,584 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr17ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 59 remaining) [2024-01-29 14:39:14,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-29 14:39:14,584 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-01-29 14:39:14,590 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-29 14:39:14,590 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-29 14:39:14,618 INFO L503 ceAbstractionStarter]: Automizer considered 39 witness invariants [2024-01-29 14:39:14,618 INFO L504 ceAbstractionStarter]: WitnessConsidered=39 [2024-01-29 14:39:14,619 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 02:39:14 BasicIcfg [2024-01-29 14:39:14,619 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-29 14:39:14,619 INFO L158 Benchmark]: Toolchain (without parser) took 2404.84ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 131.8MB in the beginning and 181.7MB in the end (delta: -49.9MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-01-29 14:39:14,619 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 169.9MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:39:14,619 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 169.9MB. Free memory is still 135.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:39:14,620 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.05ms. Allocated memory is still 169.9MB. Free memory was 131.8MB in the beginning and 106.1MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-01-29 14:39:14,620 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.85ms. Allocated memory is still 169.9MB. Free memory was 106.1MB in the beginning and 104.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 14:39:14,620 INFO L158 Benchmark]: Boogie Preprocessor took 61.39ms. Allocated memory is still 169.9MB. Free memory was 104.5MB in the beginning and 101.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 14:39:14,620 INFO L158 Benchmark]: RCFGBuilder took 496.73ms. Allocated memory is still 169.9MB. Free memory was 101.8MB in the beginning and 72.5MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-01-29 14:39:14,621 INFO L158 Benchmark]: TraceAbstraction took 1360.53ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 72.2MB in the beginning and 181.7MB in the end (delta: -109.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:39:14,622 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 169.9MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 169.9MB. Free memory is still 135.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.05ms. Allocated memory is still 169.9MB. Free memory was 131.8MB in the beginning and 106.1MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.85ms. Allocated memory is still 169.9MB. Free memory was 106.1MB in the beginning and 104.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.39ms. Allocated memory is still 169.9MB. Free memory was 104.5MB in the beginning and 101.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 496.73ms. Allocated memory is still 169.9MB. Free memory was 101.8MB in the beginning and 72.5MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1360.53ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 72.2MB in the beginning and 181.7MB in the end (delta: -109.5MB). There was no memory consumed. 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[17]]]] 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}] [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}] [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,IntegerLiteral[0],IdentifierExpression[g]]]] 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[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[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[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,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, 0.2s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 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! [2024-01-29 14:39:14,650 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