./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_19-publish-precision_unknown_1_pos.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ab2e0ac4 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_19-publish-precision_unknown_1_pos.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-ab2e0ac-m [2024-01-29 14:39:05,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 14:39:05,462 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 14:39:05,466 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 14:39:05,466 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 14:39:05,491 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 14:39:05,491 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 14:39:05,492 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 14:39:05,492 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 14:39:05,495 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 14:39:05,495 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 14:39:05,495 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 14:39:05,496 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 14:39:05,497 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 14:39:05,497 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 14:39:05,498 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 14:39:05,498 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 14:39:05,498 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 14:39:05,498 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 14:39:05,498 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 14:39:05,498 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 14:39:05,499 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 14:39:05,499 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 14:39:05,499 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 14:39:05,499 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 14:39:05,499 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 14:39:05,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 14:39:05,499 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 14:39:05,500 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 14:39:05,500 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 14:39:05,501 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 14:39:05,501 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 14:39:05,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:39:05,501 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 14:39:05,501 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 14:39:05,501 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 14:39:05,502 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 14:39:05,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 14:39:05,502 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 14:39:05,502 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 14:39:05,502 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 14:39:05,502 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 14:39:05,502 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 14:39:05,502 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 14:39:05,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 14:39:05,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 14:39:05,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 14:39:05,752 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 14:39:05,753 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 14:39:05,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_19-publish-precision_unknown_1_pos.yml/witness.yml [2024-01-29 14:39:05,859 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 14:39:05,859 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 14:39:05,860 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2024-01-29 14:39:06,852 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 14:39:07,063 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 14:39:07,063 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2024-01-29 14:39:07,080 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2583a8b0/02630896986c4e83ad06df13f23fdaba/FLAGcdcee6a68 [2024-01-29 14:39:07,091 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2583a8b0/02630896986c4e83ad06df13f23fdaba [2024-01-29 14:39:07,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 14:39:07,092 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 14:39:07,093 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 14:39:07,094 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 14:39:07,098 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 14:39:07,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:39:05" (1/2) ... [2024-01-29 14:39:07,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a883a69 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:07, skipping insertion in model container [2024-01-29 14:39:07,100 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:39:05" (1/2) ... [2024-01-29 14:39:07,102 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@77f1ae3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:39:07, skipping insertion in model container [2024-01-29 14:39:07,102 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:39:07" (2/2) ... [2024-01-29 14:39:07,102 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a883a69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:07, skipping insertion in model container [2024-01-29 14:39:07,103 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:39:07" (2/2) ... [2024-01-29 14:39:07,103 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 14:39:07,162 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 14:39:07,163 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] glob1 <= 5 [2024-01-29 14:39:07,163 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] (unsigned long )arg == 0UL [2024-01-29 14:39:07,164 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] glob1 == 0 || glob1 == 5 [2024-01-29 14:39:07,164 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] glob1 % 5 == 0 [2024-01-29 14:39:07,164 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] 0 <= glob1 [2024-01-29 14:39:07,164 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L687] glob1 <= 127 [2024-01-29 14:39:07,164 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] glob1 <= 127 [2024-01-29 14:39:07,164 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] glob1 % 5 == 0 [2024-01-29 14:39:07,164 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] glob1 == 0 || glob1 == 5 [2024-01-29 14:39:07,165 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] 0 <= glob1 [2024-01-29 14:39:07,165 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] glob1 <= 5 [2024-01-29 14:39:07,165 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] glob1 % 5 == 0 [2024-01-29 14:39:07,165 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] glob1 == 0 || glob1 == 5 [2024-01-29 14:39:07,165 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] 0 <= glob1 [2024-01-29 14:39:07,165 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] glob1 <= 127 [2024-01-29 14:39:07,165 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] glob1 <= 5 [2024-01-29 14:39:07,166 INFO L98 nessWitnessExtractor]: Location invariant before [L685-L685] (unsigned long )arg == 0UL [2024-01-29 14:39:07,166 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] glob1 == 0 [2024-01-29 14:39:07,166 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] (unsigned long )arg == 0UL [2024-01-29 14:39:07,166 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] glob1 == 0 [2024-01-29 14:39:07,166 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] glob1 == 5 [2024-01-29 14:39:07,167 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] (unsigned long )arg == 0UL [2024-01-29 14:39:07,167 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] glob1 % 5 == 0 [2024-01-29 14:39:07,167 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] glob1 <= 127 [2024-01-29 14:39:07,167 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] 0 <= glob1 [2024-01-29 14:39:07,167 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] glob1 <= 5 [2024-01-29 14:39:07,167 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] (unsigned long )arg == 0UL [2024-01-29 14:39:07,168 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] glob1 == 0 || glob1 == 5 [2024-01-29 14:39:07,168 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] (unsigned long )arg == 0UL [2024-01-29 14:39:07,168 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] glob1 == 0 [2024-01-29 14:39:07,168 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] (unsigned long )arg == 0UL [2024-01-29 14:39:07,168 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] (unsigned long )arg == 0UL [2024-01-29 14:39:07,168 INFO L98 nessWitnessExtractor]: Location invariant before [L689-L689] glob1 == 5 [2024-01-29 14:39:07,168 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 == 0 || glob1 == 5 [2024-01-29 14:39:07,168 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] 0 <= glob1 [2024-01-29 14:39:07,169 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 == 0 || glob1 == 5 [2024-01-29 14:39:07,169 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 <= 127 [2024-01-29 14:39:07,169 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] 0 <= glob1 [2024-01-29 14:39:07,170 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 == 0 || glob1 == 5 [2024-01-29 14:39:07,171 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 <= 127 [2024-01-29 14:39:07,171 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 % 5 == 0 [2024-01-29 14:39:07,171 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 <= 5 [2024-01-29 14:39:07,171 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] 0 <= glob1 [2024-01-29 14:39:07,171 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 <= 5 [2024-01-29 14:39:07,172 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 % 5 == 0 [2024-01-29 14:39:07,172 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 <= 5 [2024-01-29 14:39:07,172 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 <= 127 [2024-01-29 14:39:07,172 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 % 5 == 0 [2024-01-29 14:39:07,172 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] (unsigned long )arg == 0UL [2024-01-29 14:39:07,172 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] glob1 == 5 [2024-01-29 14:39:07,208 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 14:39:07,362 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i[1103,1116] [2024-01-29 14:39:07,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:39:07,525 INFO L202 MainTranslator]: Completed pre-run [2024-01-29 14:39:07,535 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i[1103,1116] [2024-01-29 14:39:07,537 WARN L424 MainDispatcher]: Unable to annotate void __VERIFIER_assert(int cond) { if(!(cond)) { ERROR: {reach_error();abort();} } } with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-29 14:39:07,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:39:07,652 INFO L206 MainTranslator]: Completed translation [2024-01-29 14:39:07,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:07 WrapperNode [2024-01-29 14:39:07,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 14:39:07,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 14:39:07,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 14:39:07,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 14:39:07,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:07" (1/1) ... [2024-01-29 14:39:07,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:07" (1/1) ... [2024-01-29 14:39:07,709 INFO L138 Inliner]: procedures = 163, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2024-01-29 14:39:07,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 14:39:07,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 14:39:07,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 14:39:07,710 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 14:39:07,730 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:07" (1/1) ... [2024-01-29 14:39:07,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:07" (1/1) ... [2024-01-29 14:39:07,743 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:07" (1/1) ... [2024-01-29 14:39:07,761 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 5, 5, 2]. 36 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5, 0]. The 1 writes are split as follows [0, 0, 0, 1]. [2024-01-29 14:39:07,766 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:07" (1/1) ... [2024-01-29 14:39:07,767 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:07" (1/1) ... [2024-01-29 14:39:07,772 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:07" (1/1) ... [2024-01-29 14:39:07,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:07" (1/1) ... [2024-01-29 14:39:07,775 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:07" (1/1) ... [2024-01-29 14:39:07,776 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:07" (1/1) ... [2024-01-29 14:39:07,778 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 14:39:07,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 14:39:07,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 14:39:07,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 14:39:07,779 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:07" (1/1) ... [2024-01-29 14:39:07,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:39:07,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 14:39:07,862 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 14:39:07,872 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 14:39:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 14:39:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 14:39:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 14:39:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-29 14:39:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 14:39:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 14:39:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 14:39:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-29 14:39:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-29 14:39:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 14:39:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 14:39:07,898 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-01-29 14:39:07,898 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-01-29 14:39:07,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 14:39:07,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 14:39:07,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 14:39:07,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 14:39:07,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-29 14:39:07,899 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-29 14:39:07,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 14:39:07,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 14:39:07,901 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-29 14:39:08,036 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 14:39:08,037 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 14:39:08,296 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 14:39:08,296 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 14:39:08,357 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 14:39:08,357 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-29 14:39:08,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:39:08 BoogieIcfgContainer [2024-01-29 14:39:08,358 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 14:39:08,360 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 14:39:08,360 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 14:39:08,362 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 14:39:08,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:39:05" (1/4) ... [2024-01-29 14:39:08,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e418bc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:39:08, skipping insertion in model container [2024-01-29 14:39:08,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 02:39:07" (2/4) ... [2024-01-29 14:39:08,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e418bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:39:08, skipping insertion in model container [2024-01-29 14:39:08,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:39:07" (3/4) ... [2024-01-29 14:39:08,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e418bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:39:08, skipping insertion in model container [2024-01-29 14:39:08,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:39:08" (4/4) ... [2024-01-29 14:39:08,364 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_pos.i [2024-01-29 14:39:08,377 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 14:39:08,377 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2024-01-29 14:39:08,377 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 14:39:08,453 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-01-29 14:39:08,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 101 places, 98 transitions, 203 flow [2024-01-29 14:39:08,515 INFO L124 PetriNetUnfolderBase]: 1/97 cut-off events. [2024-01-29 14:39:08,515 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-29 14:39:08,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 97 events. 1/97 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 145 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 91. Up to 2 conditions per place. [2024-01-29 14:39:08,518 INFO L82 GeneralOperation]: Start removeDead. Operand has 101 places, 98 transitions, 203 flow [2024-01-29 14:39:08,521 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 98 places, 95 transitions, 193 flow [2024-01-29 14:39:08,533 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 14:39:08,538 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;@4ded62c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 14:39:08,538 INFO L358 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2024-01-29 14:39:08,540 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 14:39:08,540 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 14:39:08,540 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:39:08,540 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:39:08,540 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 14:39:08,541 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-29 14:39:08,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:39:08,545 INFO L85 PathProgramCache]: Analyzing trace with hash 8827, now seen corresponding path program 1 times [2024-01-29 14:39:08,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:39:08,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052533043] [2024-01-29 14:39:08,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:39:08,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:39:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:39:08,677 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 14:39:08,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:39:08,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052533043] [2024-01-29 14:39:08,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052533043] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:39:08,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:39:08,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:39:08,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156908667] [2024-01-29 14:39:08,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:39:08,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:39:08,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:39:08,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:39:08,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:39:08,766 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 98 [2024-01-29 14:39:08,769 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 95 transitions, 193 flow. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:39:08,769 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:39:08,769 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 98 [2024-01-29 14:39:08,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:39:08,941 INFO L124 PetriNetUnfolderBase]: 134/669 cut-off events. [2024-01-29 14:39:08,941 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:39:08,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1035 conditions, 669 events. 134/669 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 4388 event pairs, 98 based on Foata normal form. 135/726 useless extension candidates. Maximal degree in co-relation 1024. Up to 189 conditions per place. [2024-01-29 14:39:08,950 INFO L140 encePairwiseOnDemand]: 71/98 looper letters, 36 selfloop transitions, 3 changer transitions 0/87 dead transitions. [2024-01-29 14:39:08,950 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 87 transitions, 255 flow [2024-01-29 14:39:08,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:39:08,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:39:08,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 211 transitions. [2024-01-29 14:39:08,960 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.717687074829932 [2024-01-29 14:39:08,961 INFO L175 Difference]: Start difference. First operand has 98 places, 95 transitions, 193 flow. Second operand 3 states and 211 transitions. [2024-01-29 14:39:08,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 87 transitions, 255 flow [2024-01-29 14:39:08,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 87 transitions, 254 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 14:39:08,974 INFO L231 Difference]: Finished difference. Result has 87 places, 81 transitions, 193 flow [2024-01-29 14:39:08,976 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=193, PETRI_PLACES=87, PETRI_TRANSITIONS=81} [2024-01-29 14:39:08,980 INFO L281 CegarLoopForPetriNet]: 98 programPoint places, -11 predicate places. [2024-01-29 14:39:08,981 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 81 transitions, 193 flow [2024-01-29 14:39:08,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:39:08,981 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:39:08,981 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-29 14:39:08,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 14:39:08,982 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-29 14:39:08,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:39:08,982 INFO L85 PathProgramCache]: Analyzing trace with hash 263371298, now seen corresponding path program 1 times [2024-01-29 14:39:08,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:39:08,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914117310] [2024-01-29 14:39:08,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:39:08,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:39:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:39:09,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:39:09,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:39:09,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914117310] [2024-01-29 14:39:09,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914117310] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:39:09,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:39:09,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 14:39:09,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180365087] [2024-01-29 14:39:09,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:39:09,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 14:39:09,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:39:09,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 14:39:09,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 14:39:09,174 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 98 [2024-01-29 14:39:09,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 81 transitions, 193 flow. Second operand has 4 states, 4 states have (on average 68.25) internal successors, (273), 4 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:39:09,176 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:39:09,176 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 98 [2024-01-29 14:39:09,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:39:09,270 INFO L124 PetriNetUnfolderBase]: 60/447 cut-off events. [2024-01-29 14:39:09,270 INFO L125 PetriNetUnfolderBase]: For 58/58 co-relation queries the response was YES. [2024-01-29 14:39:09,272 INFO L83 FinitePrefix]: Finished finitePrefix Result has 674 conditions, 447 events. 60/447 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2432 event pairs, 36 based on Foata normal form. 70/477 useless extension candidates. Maximal degree in co-relation 661. Up to 170 conditions per place. [2024-01-29 14:39:09,273 INFO L140 encePairwiseOnDemand]: 87/98 looper letters, 23 selfloop transitions, 2 changer transitions 0/78 dead transitions. [2024-01-29 14:39:09,273 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 78 transitions, 237 flow [2024-01-29 14:39:09,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 14:39:09,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 14:39:09,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 302 transitions. [2024-01-29 14:39:09,276 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7704081632653061 [2024-01-29 14:39:09,276 INFO L175 Difference]: Start difference. First operand has 87 places, 81 transitions, 193 flow. Second operand 4 states and 302 transitions. [2024-01-29 14:39:09,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 78 transitions, 237 flow [2024-01-29 14:39:09,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 78 transitions, 231 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:39:09,278 INFO L231 Difference]: Finished difference. Result has 79 places, 72 transitions, 173 flow [2024-01-29 14:39:09,279 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=169, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=173, PETRI_PLACES=79, PETRI_TRANSITIONS=72} [2024-01-29 14:39:09,279 INFO L281 CegarLoopForPetriNet]: 98 programPoint places, -19 predicate places. [2024-01-29 14:39:09,279 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 72 transitions, 173 flow [2024-01-29 14:39:09,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 68.25) internal successors, (273), 4 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:39:09,280 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:39:09,280 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:39:09,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 14:39:09,280 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-29 14:39:09,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:39:09,281 INFO L85 PathProgramCache]: Analyzing trace with hash -2120885802, now seen corresponding path program 1 times [2024-01-29 14:39:09,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:39:09,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270817372] [2024-01-29 14:39:09,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:39:09,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:39:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:39:09,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:39:09,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:39:09,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270817372] [2024-01-29 14:39:09,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270817372] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:39:09,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:39:09,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 14:39:09,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675777143] [2024-01-29 14:39:09,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:39:09,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 14:39:09,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:39:09,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 14:39:09,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 14:39:09,444 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 98 [2024-01-29 14:39:09,444 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 72 transitions, 173 flow. Second operand has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:39:09,445 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:39:09,445 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 98 [2024-01-29 14:39:09,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:39:09,552 INFO L124 PetriNetUnfolderBase]: 170/665 cut-off events. [2024-01-29 14:39:09,552 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2024-01-29 14:39:09,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1177 conditions, 665 events. 170/665 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 4160 event pairs, 100 based on Foata normal form. 0/643 useless extension candidates. Maximal degree in co-relation 1164. Up to 199 conditions per place. [2024-01-29 14:39:09,556 INFO L140 encePairwiseOnDemand]: 91/98 looper letters, 44 selfloop transitions, 8 changer transitions 7/96 dead transitions. [2024-01-29 14:39:09,556 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 96 transitions, 341 flow [2024-01-29 14:39:09,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-29 14:39:09,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-29 14:39:09,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 296 transitions. [2024-01-29 14:39:09,559 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6040816326530613 [2024-01-29 14:39:09,559 INFO L175 Difference]: Start difference. First operand has 79 places, 72 transitions, 173 flow. Second operand 5 states and 296 transitions. [2024-01-29 14:39:09,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 96 transitions, 341 flow [2024-01-29 14:39:09,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 96 transitions, 338 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:39:09,562 INFO L231 Difference]: Finished difference. Result has 85 places, 76 transitions, 221 flow [2024-01-29 14:39:09,562 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=221, PETRI_PLACES=85, PETRI_TRANSITIONS=76} [2024-01-29 14:39:09,563 INFO L281 CegarLoopForPetriNet]: 98 programPoint places, -13 predicate places. [2024-01-29 14:39:09,563 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 76 transitions, 221 flow [2024-01-29 14:39:09,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:39:09,564 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:39:09,564 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:39:09,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-29 14:39:09,564 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-29 14:39:09,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:39:09,565 INFO L85 PathProgramCache]: Analyzing trace with hash 265876114, now seen corresponding path program 1 times [2024-01-29 14:39:09,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:39:09,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584438351] [2024-01-29 14:39:09,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:39:09,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:39:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:39:09,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:39:09,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:39:09,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584438351] [2024-01-29 14:39:09,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584438351] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:39:09,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:39:09,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 14:39:09,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321316603] [2024-01-29 14:39:09,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:39:09,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:39:09,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:39:09,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:39:09,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:39:09,668 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 98 [2024-01-29 14:39:09,668 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 76 transitions, 221 flow. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:39:09,668 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:39:09,668 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 98 [2024-01-29 14:39:09,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:39:09,718 INFO L124 PetriNetUnfolderBase]: 88/335 cut-off events. [2024-01-29 14:39:09,718 INFO L125 PetriNetUnfolderBase]: For 173/184 co-relation queries the response was YES. [2024-01-29 14:39:09,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 671 conditions, 335 events. 88/335 cut-off events. For 173/184 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1467 event pairs, 52 based on Foata normal form. 60/384 useless extension candidates. Maximal degree in co-relation 654. Up to 119 conditions per place. [2024-01-29 14:39:09,721 INFO L140 encePairwiseOnDemand]: 83/98 looper letters, 20 selfloop transitions, 2 changer transitions 14/67 dead transitions. [2024-01-29 14:39:09,722 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 67 transitions, 243 flow [2024-01-29 14:39:09,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:39:09,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:39:09,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 189 transitions. [2024-01-29 14:39:09,723 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6428571428571429 [2024-01-29 14:39:09,723 INFO L175 Difference]: Start difference. First operand has 85 places, 76 transitions, 221 flow. Second operand 3 states and 189 transitions. [2024-01-29 14:39:09,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 67 transitions, 243 flow [2024-01-29 14:39:09,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 67 transitions, 239 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 14:39:09,727 INFO L231 Difference]: Finished difference. Result has 73 places, 51 transitions, 131 flow [2024-01-29 14:39:09,727 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=171, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=131, PETRI_PLACES=73, PETRI_TRANSITIONS=51} [2024-01-29 14:39:09,728 INFO L281 CegarLoopForPetriNet]: 98 programPoint places, -25 predicate places. [2024-01-29 14:39:09,728 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 51 transitions, 131 flow [2024-01-29 14:39:09,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:39:09,728 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:39:09,728 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:39:09,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-29 14:39:09,728 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-29 14:39:09,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:39:09,729 INFO L85 PathProgramCache]: Analyzing trace with hash 459082110, now seen corresponding path program 1 times [2024-01-29 14:39:09,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:39:09,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120376757] [2024-01-29 14:39:09,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:39:09,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:39:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:39:09,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:39:09,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:39:09,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120376757] [2024-01-29 14:39:09,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120376757] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:39:09,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:39:09,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 14:39:09,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348671454] [2024-01-29 14:39:09,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:39:09,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:39:09,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:39:09,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:39:09,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:39:09,852 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 98 [2024-01-29 14:39:09,853 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 51 transitions, 131 flow. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:39:09,853 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:39:09,853 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 98 [2024-01-29 14:39:09,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:39:09,884 INFO L124 PetriNetUnfolderBase]: 11/118 cut-off events. [2024-01-29 14:39:09,884 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-01-29 14:39:09,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 189 conditions, 118 events. 11/118 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 200 event pairs, 5 based on Foata normal form. 7/120 useless extension candidates. Maximal degree in co-relation 178. Up to 22 conditions per place. [2024-01-29 14:39:09,885 INFO L140 encePairwiseOnDemand]: 92/98 looper letters, 8 selfloop transitions, 3 changer transitions 17/55 dead transitions. [2024-01-29 14:39:09,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 55 transitions, 177 flow [2024-01-29 14:39:09,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:39:09,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:39:09,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions. [2024-01-29 14:39:09,886 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8605442176870748 [2024-01-29 14:39:09,886 INFO L175 Difference]: Start difference. First operand has 73 places, 51 transitions, 131 flow. Second operand 3 states and 253 transitions. [2024-01-29 14:39:09,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 55 transitions, 177 flow [2024-01-29 14:39:09,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 55 transitions, 157 flow, removed 2 selfloop flow, removed 7 redundant places. [2024-01-29 14:39:09,888 INFO L231 Difference]: Finished difference. Result has 59 places, 37 transitions, 87 flow [2024-01-29 14:39:09,888 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=87, PETRI_PLACES=59, PETRI_TRANSITIONS=37} [2024-01-29 14:39:09,890 INFO L281 CegarLoopForPetriNet]: 98 programPoint places, -39 predicate places. [2024-01-29 14:39:09,890 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 37 transitions, 87 flow [2024-01-29 14:39:09,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:39:09,890 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:39:09,890 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:39:09,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-29 14:39:09,891 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-29 14:39:09,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:39:09,891 INFO L85 PathProgramCache]: Analyzing trace with hash -302904572, now seen corresponding path program 1 times [2024-01-29 14:39:09,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:39:09,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175810826] [2024-01-29 14:39:09,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:39:09,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:39:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 14:39:09,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-29 14:39:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 14:39:09,947 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-29 14:39:09,947 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-29 14:39:09,948 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (60 of 61 remaining) [2024-01-29 14:39:09,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 61 remaining) [2024-01-29 14:39:09,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 61 remaining) [2024-01-29 14:39:09,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 61 remaining) [2024-01-29 14:39:09,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 61 remaining) [2024-01-29 14:39:09,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 61 remaining) [2024-01-29 14:39:09,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 61 remaining) [2024-01-29 14:39:09,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 61 remaining) [2024-01-29 14:39:09,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 61 remaining) [2024-01-29 14:39:09,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 61 remaining) [2024-01-29 14:39:09,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 61 remaining) [2024-01-29 14:39:09,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 61 remaining) [2024-01-29 14:39:09,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 61 remaining) [2024-01-29 14:39:09,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 61 remaining) [2024-01-29 14:39:09,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 61 remaining) [2024-01-29 14:39:09,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 61 remaining) [2024-01-29 14:39:09,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 61 remaining) [2024-01-29 14:39:09,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 61 remaining) [2024-01-29 14:39:09,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 61 remaining) [2024-01-29 14:39:09,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 61 remaining) [2024-01-29 14:39:09,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 61 remaining) [2024-01-29 14:39:09,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 61 remaining) [2024-01-29 14:39:09,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 61 remaining) [2024-01-29 14:39:09,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 61 remaining) [2024-01-29 14:39:09,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 61 remaining) [2024-01-29 14:39:09,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 61 remaining) [2024-01-29 14:39:09,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 61 remaining) [2024-01-29 14:39:09,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 61 remaining) [2024-01-29 14:39:09,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 61 remaining) [2024-01-29 14:39:09,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr16ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 61 remaining) [2024-01-29 14:39:09,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr17ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 61 remaining) [2024-01-29 14:39:09,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr18ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 61 remaining) [2024-01-29 14:39:09,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr19ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 61 remaining) [2024-01-29 14:39:09,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr20ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 61 remaining) [2024-01-29 14:39:09,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr21ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 61 remaining) [2024-01-29 14:39:09,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr22ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 61 remaining) [2024-01-29 14:39:09,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr23ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 61 remaining) [2024-01-29 14:39:09,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 61 remaining) [2024-01-29 14:39:09,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 61 remaining) [2024-01-29 14:39:09,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 61 remaining) [2024-01-29 14:39:09,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 61 remaining) [2024-01-29 14:39:09,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 61 remaining) [2024-01-29 14:39:09,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 61 remaining) [2024-01-29 14:39:09,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 61 remaining) [2024-01-29 14:39:09,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 61 remaining) [2024-01-29 14:39:09,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 61 remaining) [2024-01-29 14:39:09,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 61 remaining) [2024-01-29 14:39:09,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 61 remaining) [2024-01-29 14:39:09,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 61 remaining) [2024-01-29 14:39:09,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 61 remaining) [2024-01-29 14:39:09,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 61 remaining) [2024-01-29 14:39:09,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 61 remaining) [2024-01-29 14:39:09,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 61 remaining) [2024-01-29 14:39:09,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr16ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 61 remaining) [2024-01-29 14:39:09,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr17ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 61 remaining) [2024-01-29 14:39:09,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr18ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 61 remaining) [2024-01-29 14:39:09,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr19ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 61 remaining) [2024-01-29 14:39:09,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr20ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 61 remaining) [2024-01-29 14:39:09,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr21ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 61 remaining) [2024-01-29 14:39:09,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr22ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 61 remaining) [2024-01-29 14:39:09,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr23ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 61 remaining) [2024-01-29 14:39:09,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-29 14:39:09,965 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-01-29 14:39:09,970 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-29 14:39:09,970 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-29 14:39:10,002 INFO L503 ceAbstractionStarter]: Automizer considered 35 witness invariants [2024-01-29 14:39:10,002 INFO L504 ceAbstractionStarter]: WitnessConsidered=35 [2024-01-29 14:39:10,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 02:39:10 BasicIcfg [2024-01-29 14:39:10,003 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-29 14:39:10,003 INFO L158 Benchmark]: Toolchain (without parser) took 2911.15ms. Allocated memory was 155.2MB in the beginning and 249.6MB in the end (delta: 94.4MB). Free memory was 92.6MB in the beginning and 114.0MB in the end (delta: -21.5MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB. [2024-01-29 14:39:10,004 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 155.2MB. Free memory is still 114.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:39:10,004 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 155.2MB. Free memory was 110.8MB in the beginning and 110.8MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 14:39:10,004 INFO L158 Benchmark]: CACSL2BoogieTranslator took 559.00ms. Allocated memory is still 155.2MB. Free memory was 92.6MB in the beginning and 67.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-01-29 14:39:10,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.56ms. Allocated memory is still 155.2MB. Free memory was 67.4MB in the beginning and 123.4MB in the end (delta: -56.1MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2024-01-29 14:39:10,008 INFO L158 Benchmark]: Boogie Preprocessor took 67.92ms. Allocated memory was 155.2MB in the beginning and 249.6MB in the end (delta: 94.4MB). Free memory was 123.4MB in the beginning and 219.0MB in the end (delta: -95.5MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-01-29 14:39:10,008 INFO L158 Benchmark]: RCFGBuilder took 579.33ms. Allocated memory is still 249.6MB. Free memory was 219.0MB in the beginning and 187.5MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-01-29 14:39:10,009 INFO L158 Benchmark]: TraceAbstraction took 1643.30ms. Allocated memory is still 249.6MB. Free memory was 186.5MB in the beginning and 114.0MB in the end (delta: 72.4MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. [2024-01-29 14:39:10,010 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 155.2MB. Free memory is still 114.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 155.2MB. Free memory was 110.8MB in the beginning and 110.8MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 559.00ms. Allocated memory is still 155.2MB. Free memory was 92.6MB in the beginning and 67.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.56ms. Allocated memory is still 155.2MB. Free memory was 67.4MB in the beginning and 123.4MB in the end (delta: -56.1MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.92ms. Allocated memory was 155.2MB in the beginning and 249.6MB in the end (delta: 94.4MB). Free memory was 123.4MB in the beginning and 219.0MB in the end (delta: -95.5MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * RCFGBuilder took 579.33ms. Allocated memory is still 249.6MB. Free memory was 219.0MB in the beginning and 187.5MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1643.30ms. Allocated memory is still 249.6MB. Free memory was 186.5MB in the beginning and 114.0MB in the end (delta: 72.4MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; VAL [glob1=0, id={6:0}, mutex1={3:0}, mutex2={4:0}] [L697] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[0]]]] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={6:0}, mutex1={3:0}, mutex2={4:0}] [L685] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L686] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[5]]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L686] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L686] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[glob1],IntegerLiteral[5]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L686] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[glob1]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L686] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[glob1],IntegerLiteral[127]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L686] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,BinaryExpression[ARITHMOD,IdentifierExpression[glob1],IntegerLiteral[5]],IntegerLiteral[0]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L687] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[glob1],IntegerLiteral[127]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L687] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[glob1]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L687] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,BinaryExpression[ARITHMOD,IdentifierExpression[glob1],IntegerLiteral[5]],IntegerLiteral[0]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L687] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[5]]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L687] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, mutex2={4:0}] [L687] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[glob1],IntegerLiteral[5]]]] [L687] 1 glob1 = 5 VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L688] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L688] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[5]]]] VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L699] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[glob1],IntegerLiteral[5]]]] VAL [arg={0:0}, arg={0:0}, glob1=5, id={6:0}, mutex1={3:0}, mutex2={4:0}] [L699] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[glob1]]]] VAL [arg={0:0}, arg={0:0}, glob1=5, id={6:0}, mutex1={3:0}, mutex2={4:0}] [L699] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[glob1],IntegerLiteral[5]]]]] VAL [arg={0:0}, arg={0:0}, glob1=5, id={6:0}, mutex1={3:0}, mutex2={4:0}] [L699] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,BinaryExpression[ARITHMOD,IdentifierExpression[glob1],IntegerLiteral[5]],IntegerLiteral[0]]]] VAL [arg={0:0}, arg={0:0}, glob1=5, id={6:0}, mutex1={3:0}, mutex2={4:0}] [L699] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[glob1],IntegerLiteral[127]]]] [L699] CALL 0 __VERIFIER_assert(glob1 == 0) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 697]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 685]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 161 locations, 61 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 430 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 264 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 107 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 435 IncrementalHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 107 mSolverCounterUnsat, 31 mSDtfsCounter, 435 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=221occurred in iteration=3, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 158 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-01-29 14:39:10,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE